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WO2002016687A1 - Reinforced cover for electrical household appliances and method for the production thereof - Google Patents

Reinforced cover for electrical household appliances and method for the production thereof Download PDF

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Publication number
WO2002016687A1
WO2002016687A1 PCT/ES2001/000325 ES0100325W WO0216687A1 WO 2002016687 A1 WO2002016687 A1 WO 2002016687A1 ES 0100325 W ES0100325 W ES 0100325W WO 0216687 A1 WO0216687 A1 WO 0216687A1
Authority
WO
WIPO (PCT)
Prior art keywords
panel
frame
cover
reinforced
lid
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/ES2001/000325
Other languages
Spanish (es)
French (fr)
Inventor
Juan Vives Clavel
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Plasticos Mondragon SL
Original Assignee
Plasticos Mondragon SL
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from ES200002122A external-priority patent/ES2170693B1/en
Application filed by Plasticos Mondragon SL filed Critical Plasticos Mondragon SL
Priority to DE60108766T priority Critical patent/DE60108766T2/en
Priority to AU2001282154A priority patent/AU2001282154A1/en
Priority to AT01960755T priority patent/ATE288513T1/en
Priority to EP01960755A priority patent/EP1316636B1/en
Priority to PL36140701A priority patent/PL361407A1/en
Publication of WO2002016687A1 publication Critical patent/WO2002016687A1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • DTEXTILES; PAPER
    • D06TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06FLAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F39/00Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/12Casings; Tubs

Definitions

  • the present invention relates to a reinforced lid for household appliances, which combines optimal functional performance, both from the point of view of mechanical resistance and preservation with respect to the humid environment in which it is to work, with a reduced manufacturing cost.
  • the invention is of special application for obtaining those covers with which the upper enclosure of domestic washing machines is carried out.
  • the invention also concerns the method of manufacturing said lid.
  • the structure known and most widely used in the covers of washing machines is formed by a wooden chipboard, covered with a melamine paper and glued to a molded plastic frame, using adhesives or resins, either directly or between two frames, upper and lower.
  • the board and frame are usually joined by means of two adhesive cords on each side of the board, so that they protect their non-melamine coated edges from moisture.
  • the two frames between which the board is located are ultrasonically welded, protecting its perimeter by means of an elastic joint to confer tightness.
  • the most durable and therefore desirable solution would be to replace the chipboard board lid, whose living matter (wood chips) is highly hygroscopic which, due to the inevitable presence of moisture in the washing machines, constitutes a permanent risk of degradation.
  • injected plastic caps have been used that have not given satisfactory results, since they only meet the technical requirements demanded by the manufacturers of household appliances, those made of thermoplastic materials whose cost exceeds competitive values.
  • the purpose of the invention that constitutes the object of this Patent consists in the elimination of the inconveniences of the use of wood chipboard boards in washing machine tops, replacing them with other suitable materials, capable of fulfilling the required technical requirements.
  • Mechanics They tend to prevent and prevent the possible breakage of the lid, especially while the washer is in operation, due to an excessive and even inadequate load: for example, perching on the cover, in which case the damage caused by the breakage of the cover would accumulate the caused to the person.
  • the required mechanical resistance is quantified at 1,000 Newtons in a central area of the 20x20 ctn lid. and 800 N. at the edges.
  • the reinforcements consist of steel strips of reduced thickness, arranged in planes perpendicular to the inside of the cover, parallel to each other and to the axis of articulation of the cover and equidistant.
  • the structure of the lid comprises: a plastic panel of low mechanical performance, formed in the molding process, whose upper and outer face is covered with a sheet of melamine adhered with thermoactive glue or a transparent film decorated by its inner face, adhered in the molding process, the panel being reinforced with metal profiles according to the preceding description, the assembly being injected with a high-performance plastic frame, which embraces it by its edges.
  • the lid manufacturing process reinforced includes the following consecutive operations:
  • the low-performance plastic panel and the over-injected frame that hugs it by its edges is replaced by a single piece constituting the panel and the frame, molded with low-performance material (recycled ) and completely covered with transparent thermoforming film and decorated by its inner face of application on the single piece of panel and frame.
  • the low-performance plastic panel and the over-injected frame that hugs it by its edges is replaced by a single piece constituting the panel and the frame, molded with virgin material (first use ), being covered the part of the single piece corresponding to the panel, with melamine paper adhered with thermoactive glue to the top face of the plane of the lid.
  • the last injector destined to the superinjection of the frame is dispensed with, since of the two injectors parallel the finished covers will be finished.
  • the low-performance plastic panel and the over-injected frame become independent, modifying the configuration of the panel-frame joint so that it, instead of embracing its edges to the panel, is it overlaps it by its upper perimeter zone, both pieces being joined by an adhesive cord that contours the bottom or inner side of the panel, between the edge of the panel and the inner face of the walls of the frame, the panel being covered with melamine paper adhered with thermoactive glue to the upper face of the lid plane.
  • the low-performance plastic panel (recycled) and the frame injected with virgin material become independent, modifying the configuration of the panel-frame joint so that it, instead of hugging its edges to the panel, it is superimposed on it by its upper perimeter zone, both pieces being joined by an ultrasonic welding cord that contours the upper or outer face of the panel, between the edge of the panel and the inner side of the part superimposed on the frame, the panel being covered, with melamine paper adhered with thermoactive glue to the top face of the lid plane.
  • Figure 1 represents, in section by a vertical plane, one of the vertices of the reinforced lid.
  • Figure 2 shows, in cross section, the shape and arrangement of the metal reinforcements.
  • Figure 3 is a scheme of the distribution in plan of the work elements involved in the development of the claimed process.
  • Figure 4 represents, in section by a vertical plane, the structure of one of the vertices of the improved lid, according to a variant embodiment.
  • Figure 5 shows, in cross section, the shape and arrangement of the metal reinforcements, in the improved cover of the previous figure.
  • Figure 6 represents, in section by a vertical plane, the structure of one of the vertices of the improved cover, according to another variant embodiment.
  • Figure 7 shows, in cross section, the shape and arrangement of the metal reinforcements, in the improved cover of the previous figure.
  • Figure 8 represents, in section by a vertical plane, the structure of one of the vertices of the improved lid, according to another variant embodiment.
  • Figure 9 shows, in cross section, the shape and arrangement of the metal reinforcements, in the improved cover of the previous figure.
  • Figure 10 represents, in section by a vertical plane, the structure of one of the vertices of the improved lid, according to another variant embodiment.
  • Figure 11 shows, in cross section, the shape and arrangement of the metal reinforcements, in the improved cover of the previous figure.
  • the reinforcements consist of strips (1) of steel, of reduced thickness, arranged in planes perpendicular to the inside of the cover, parallel to each other and to the axis of articulation thereof and equidistant, at whose end of application to the interior plane of the cover , they have a small orthogonal flange (2) for support, said strips (1) being overinjected with plastic coating (3) and protected against lateral deformations
  • Its structure comprises: a plastic panel (5) of low mechanical performance, formed in the molding process, whose upper and outer face is covered with a sheet of melamine (6) adhered with thermoactive glue or with a transparent film decorated by its inner face, adhered in the molding process, the panel being reinforced with the metal profiles (1), the assembly being injected with a high-performance plastic frame (7), which hugs it by its edges.
  • the procedure for manufacturing the covers includes the following consecutive operations:
  • the structure is formed by a single piece constituting the panel (5 ') and the frame (7'), molded with recycled material and completely covered with transparent film (6 1 ) thermoforming and decorated by its lower face of application on the single piece of panel and frame.
  • the structure is also formed by a single piece constituting the panel (5 ') and the frame (7 1 ), molded with virgin material, that is to say first use, being covered the part of the single piece corresponding to the panel (5 ') with melamine paper (6), adhered with thermoactive glue to the top face of the lid plane.
  • the remaining elements of the lid are kept with the same references as those of the previous embodiment, as none of their characteristics vary.
  • the configuration that determines the connection between the panel (5 ") and frame (7" is modified such that said frame (7 "), instead of embracing by its edges to the panel (5 "), it is superimposed on it by its upper perimeter zone, both pieces being joined by an adhesive cord (16) that contours the lower or inner side of the panel (5"), between the edge of the same and the inner side of the walls of the frame (7 "), the panel (5") being covered with melamine paper (6) adhered with a thermal glue to the upper face of the plane of the lid.
  • the rest of the elements are kept with the same references as those of the first embodiment of Figures 1 and 2, as they do not vary in any of their characteristics.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Moulding By Coating Moulds (AREA)
  • Laminated Bodies (AREA)

Abstract

The cover is reinforced with parallel, equidistant strips (1) perpendicular to the plane thereof, that are supported on the inner face by a tab (2) and which have a plastic coating (3) and are supported on brackets (4). The structure of the cover comprises the following: a plastic panel (5) covered with melamine or decorated film (6), which is reinforced by the strips (1) and by a frame (7) surrounding the borders thereof. The manufacturing process involves: unwinding (8) the strip; straightening (9); profiling (10), pre-heating by induction (11); shear cutting (12), automated transfer (13) to the injectors (14); automated feeding (15) of melamine paper or decorated film to the injectors (14); overinjecting the reinforcement coating; automated removal of reinforced panels by robots (15) and overinjecting the frame in another injector.

Description

TAPA REFORZADA PARA ELECTRODOMÉSTICOS Y PROCEDIMIENTO REINFORCED COVER FOR APPLIANCES AND PROCEDURE

PARA SU FABRICACIÓNFOR YOUR MANUFACTURE

D E S C R I P C I Ó ND E S C R I P C I Ó N

OBJETO DE LA INVENCIÓNOBJECT OF THE INVENTION

La presente invención se refiere a una tapa reforzada para electrodomésticos, que combina unas óptimas prestaciones funcionales, tanto desde el punto de vista de resistencia mecánica como de preservación con respecto al ambiente húmedo en el que ha de trabajar, con un reducido costo de fabricación.The present invention relates to a reinforced lid for household appliances, which combines optimal functional performance, both from the point of view of mechanical resistance and preservation with respect to the humid environment in which it is to work, with a reduced manufacturing cost.

La invención resulta de especial aplicación para la obtención de aquellas tapas con las que se lleva a cabo el cerramiento superior de máquinas lavadoras domésticas.The invention is of special application for obtaining those covers with which the upper enclosure of domestic washing machines is carried out.

La invención concierne también al procedimiento de fabricación de dicha tapa.The invention also concerns the method of manufacturing said lid.

ANTECEDENTES DE LA INVENCIÓNBACKGROUND OF THE INVENTION

La estructura conocida y más extensamente utilizada en las tapas de lavadoras, está formada por un tablero de aglomerado de madera, recubierto con un papel melamínico y pegado a un marco de plástico moldeado, mediante adhesivos o resinas, bien directamente o entre dos marcos, superior e inferior.The structure known and most widely used in the covers of washing machines, is formed by a wooden chipboard, covered with a melamine paper and glued to a molded plastic frame, using adhesives or resins, either directly or between two frames, upper and lower.

En el primer caso, se suelen unir tablero y marco mediante sendos cordones de adhesivo por cada cara del tablero, de modo que protejan de la humedad sus cantos no recubiertos de melamina. En el segundo caso, se sueldan por ultrasonidos los dos marcos entre los cuales se encuentra el tablero, protegiéndose su perímetro mediante una junta elástica para conferirle estanqueidad.In the first case, the board and frame are usually joined by means of two adhesive cords on each side of the board, so that they protect their non-melamine coated edges from moisture. In the second case, the two frames between which the board is located are ultrasonically welded, protecting its perimeter by means of an elastic joint to confer tightness.

En cualquier caso, la solución más duradera y por ello deseable, pasaría por la sustitución en la tapa del tablero de aglomerado, cuya materia viva (virutas de madera) es altamente higroscópica lo que, por la inevitable presencia de humedad en las lavadoras, constituye un riesgo permanente de degradación.In any case, the most durable and therefore desirable solution would be to replace the chipboard board lid, whose living matter (wood chips) is highly hygroscopic which, due to the inevitable presence of moisture in the washing machines, constitutes a permanent risk of degradation.

Con esta finalidad se han utilizado tapas de plástico inyectado que no han dado resultados satisfactorios, ya que solamente cumplen los requerimientos técnicos exigidos por los fabricantes de electrodomésticos, las fabricadas con materiales termoplásticos cuyo costo desborda los valores competitivos.For this purpose, injected plastic caps have been used that have not given satisfactory results, since they only meet the technical requirements demanded by the manufacturers of household appliances, those made of thermoplastic materials whose cost exceeds competitive values.

DESCRIPCIÓN DE LA INVENCIÓNDESCRIPTION OF THE INVENTION

La finalidad de la invención que constituye el objeto de esta Patente, consiste en la eliminación de los inconvenientes propios de la utilización de tableros de aglomerado de madera en tapas de lavadoras, sustituyéndolos por otros materiales idóneos, capaces de cumplir los requerimientos técnicos exigibles .The purpose of the invention that constitutes the object of this Patent, consists in the elimination of the inconveniences of the use of wood chipboard boards in washing machine tops, replacing them with other suitable materials, capable of fulfilling the required technical requirements.

Los requerimientos son, fundamentalmente, de dos órdenes:The requirements are, fundamentally, of two orders:

a) Mecánicos : Tienden a prevenir y evitar la posible rotura de la tapa, especialmente mientras la lavadora se encuentra en funcionamiento, por una carga excesiva e incluso inadecuada: por ejemplo, por encaramarse sobre la tapa, en cuyo caso al daño ocasionado por la rotura de la tapa se acumularía el causado a la persona.a) Mechanics: They tend to prevent and prevent the possible breakage of the lid, especially while the washer is in operation, due to an excessive and even inadequate load: for example, perching on the cover, in which case the damage caused by the breakage of the cover would accumulate the caused to the person.

Por ello, la resistencia mecánica exigida se cuantifica en 1.000 Newtons en un área central de la tapa de 20x20 ctn. y 800 N. en los bordes.Therefore, the required mechanical resistance is quantified at 1,000 Newtons in a central area of the 20x20 ctn lid. and 800 N. at the edges.

b) Químicos : La necesaria utilización en las lavadoras de productos químicos de limpieza (detergentes, lejías, suavizantes) justifica el requerimiento técnico de resistencia a los mismos que, por prudencia y seguridad, se hace extensivo a otros productos químicos (amoniaco, alcohol) e incluso a bebidas (zumos vegetales, alcohólicas, colas) .b) Chemicals: The necessary use in washing machines of cleaning chemicals (detergents, bleach, softeners) justifies the technical requirement of resistance to them which, for prudence and safety, is extended to other chemical products (ammonia, alcohol) and even drinks (vegetable, alcoholic juices, cola).

La resistencia al ataque de todos estos productos, requiere que se mantenga al menos durante 16 horas de exposición sin alteración aparente del aspecto de la tapa.The resistance to attack of all these products requires that it be maintained for at least 16 hours of exposure without apparent alteration of the appearance of the lid.

A estos requerimientos esenciales se unen otros de diversa índole: térmicos (70°C durante 7 días) , ecológicos (reciclaje, ausencia de formaldehidos) , climáticos, etc.These essential requirements are joined by others of various kinds: thermal (70 ° C for 7 days), ecological (recycling, absence of formaldehydes), climatic, etc.

El cumplimiento de todos los requerimientos distintos de los mecánicos, es alcanzable mediante elección de las materias primas adecuadas; sin embargo, estos materiales no soportan por sí mismos las condiciones de carga requeridas, al menos con la limitación de dimensiones impuesta por el tope del costo competitivo.Compliance with all requirements other than mechanics is attainable by choosing the right raw materials; however, these materials do not support the required loading conditions by themselves, at least with the limited size imposed by the competitive cost cap.

DESCRIPCIÓN DE LA INVENCIÓNDESCRIPTION OF THE INVENTION

En la solicitud de la presente Patente, se reivindica la creación de tapas de lavadora con refuerzos metálicos para incrementar su resistencia mecánica, por encima de los valores mínimos requeridos.In the application of the present Patent, the creation of washing machine covers with metal reinforcements to increase their mechanical resistance is claimed, by above the minimum required values.

En el diseño de los refuerzos se ha tenido en cuenta que la carga que ha de soportar la tapa (1.000 N. en el área central) es vertical y en sentido de fuera a dentro, por lo que, para compensarla, se ha hecho uso de un principio similar al del comportamiento mecánico del hormigón armado, estableciendo los refuerzos en las zonas en las que la tapa trabaja a flexión bajo carga.In the design of the reinforcements it has been taken into account that the load to be supported by the cover (1,000 N. in the central area) is vertical and in the direction from outside to inside, so, to compensate it, use has been made of a principle similar to that of the mechanical behavior of reinforced concrete, establishing reinforcements in the areas where the lid works flexurally under load.

Por todas estas consideraciones, los refuerzos consisten en flejes de acero de reducido espesor, dispuestos en planos perpendiculares al interior de la tapa, paralelos entre sí y al eje de articulación de la tapa y equidistantes.For all these considerations, the reinforcements consist of steel strips of reduced thickness, arranged in planes perpendicular to the inside of the cover, parallel to each other and to the axis of articulation of the cover and equidistant.

En su extremo de aplicación al plano interior de la tapa, presentan una pequeña pestaña ortogonal de apoyo, encontrándose sobreinyectados dichos flejes con revestimiento de plástico, y protegidos contra deformaciones laterales (vuelco) mediante cartelas repartidas a un lado y otro de los mismos.At their end of application to the interior plane of the lid, they have a small orthogonal support flange, said strips being overinjected with plastic lining, and protected against lateral deformations (overturning) by means of posters distributed on one side and the other thereof.

La estructura de la tapa comprende : un panel de plástico de bajas prestaciones mecánicas, formado en el proceso de moldeo, cuya cara superior y exterior queda recubierta con una lámina de melamina adherida con cola termoactiva o un film transparente decorado por su cara interior, adherido en el proceso de moldeo, estando el panel reforzado con perfiles metálicos según la descripción precedente, sobreinyectándose el conjunto con un marco de plástico de altas prestaciones, que lo abraza por sus bordes .The structure of the lid comprises: a plastic panel of low mechanical performance, formed in the molding process, whose upper and outer face is covered with a sheet of melamine adhered with thermoactive glue or a transparent film decorated by its inner face, adhered in the molding process, the panel being reinforced with metal profiles according to the preceding description, the assembly being injected with a high-performance plastic frame, which embraces it by its edges.

El procedimiento de fabricación de las tapas reforzadas, cuyas características técnicas han quedado descritas precedentemente, comprende las siguientes operaciones consecutivas:The lid manufacturing process reinforced, whose technical characteristics have been described above, includes the following consecutive operations:

— Desenrollado de las bobinas de fleje, con operación simultánea de cuatro bobinas en paralelo.- Unwind of the strapping reels, with simultaneous operation of four coils in parallel.

— Enderezado simultáneo de los cuatro flejes, en un tren de rodillos de posición regulable.- Simultaneous straightening of the four straps, in a roller train with adjustable position.

— Perfilado de los flejes en dos trenes de rulinas, de inicio y de acabado, para configurar en continuo los refuerzos de la tapa.- Profiling of the straps on two train wheels, starting and finishing, to continuously configure the reinforcements of the cover.

— Precalentamiento , preferentemente por inducción, de las cuatro líneas de fleje conformado, para evitar un salto térmico excesivo en la inyección que provocaría el enfriamiento y solidificación brusca del plástico inyectado, en contacto con el metal, e impediría el desplazamiento relativo entre ambos materiales, necesario durante el proceso de inyección del revestimiento de los refuerzos.- Preheating, preferably by induction, of the four lines of shaped strip, to avoid excessive thermal jump in the injection that would cause the cooling and sudden solidification of the injected plastic, in contact with the metal, and prevent the relative displacement between both materials, necessary during the injection process of the reinforcement lining.

— Corte por cizallado simultáneo de las cuatro líneas de fleje conformado, a la medida requerida, obteniéndose cuatro refuerzos en cada golpe de prensa.- Cut by simultaneous shearing of the four lines of strip formed, to the required extent, obtaining four reinforcements in each press stroke.

— Transferencia de los cuatro refuerzos precalentados, mediante un robot de pórtico común para dos inyectoras, sujetándolos con sus pinzas y colocándolos en los moldes .- Transfer of the four preheated reinforcements, using a common gantry robot for two injectors, holding them with their tweezers and placing them in the molds.

— Alimentación automática de papel melaminizado o film transparente decorado a las inyectoras, mediante robots individuales. — Sobreinyección para formación del panel y revestimiento de refuerzos.- Automatic feeding of melamine paper or transparent film decorated to the injectors, by means of individual robots. - Overinjection for panel formation and reinforcement coating.

— Descarga de las inyectoras y evacuación de los paneles reforzados, mediante los mismos robots de alimentación, que los entregan a otra inyectora para la sobreinyección del marco, quedando formada la tapa.- Discharge of the injectors and evacuation of the reinforced panels, by means of the same feeding robots, that deliver them to another injector for the overinjection of the frame, being formed the cover.

En una variante mejorada de la estructura de la tapa, el panel de plástico de bajas prestaciones y del marco sobreinyectado que lo abraza por sus bordes, se sustituye por una sola pieza constitutiva del panel y el marco, moldeada con material de bajas prestaciones (reciclado) y recubierta totalmente con film transparente termoconformado y decorado por su cara interior de aplicación sobre la pieza única de panel y marco.In an improved variant of the structure of the lid, the low-performance plastic panel and the over-injected frame that hugs it by its edges, is replaced by a single piece constituting the panel and the frame, molded with low-performance material (recycled ) and completely covered with transparent thermoforming film and decorated by its inner face of application on the single piece of panel and frame.

Como consecuencia de la unificación de panel y marco en una misma pieza, en el procedimiento de fabricación de la tapa se prescinde de la última inyectora destinada a la sobreinyección del marco, ya que de las dos inyectoras paralelas saldrán ya terminadas las tapas perfeccionadas .As a result of the unification of panel and frame in the same piece, in the manufacturing process of the cover, the last injector destined to the overinjection of the frame is dispensed with, since the two finished injectors will have finished the finished covers.

En otra variante mejorada de la estructura de la tapa, el panel de plástico de bajas prestaciones y del marco sobreinyectado que lo abraza por sus bordes, se sustituye por una sola pieza constitutiva del panel y el marco, moldeada con material virgen (de primer uso) , quedando recubierta la parte de la pieza única correspondiente al panel, con papel melaminizado adherido con cola termoactiva a la cara superior del plano de la tapa. Como en el caso anterior, es decir, como consecuencia de la unificación de panel y marco en una misma pieza, en el procedimiento de fabricación de la tapa se prescinde de la última inyectora destinada a la sobreinyección del marco, ya que de las dos inyectoras paralelas saldrán ya terminadas las tapas perfeccionadas.In another improved variant of the structure of the lid, the low-performance plastic panel and the over-injected frame that hugs it by its edges, is replaced by a single piece constituting the panel and the frame, molded with virgin material (first use ), being covered the part of the single piece corresponding to the panel, with melamine paper adhered with thermoactive glue to the top face of the plane of the lid. As in the previous case, that is to say, as a result of the unification of panel and frame in the same piece, in the manufacturing process of the cover, the last injector destined to the superinjection of the frame is dispensed with, since of the two injectors parallel the finished covers will be finished.

En otra variante mejorada de la estructura de la tapa, el panel de plástico de bajas prestaciones y el marco sobreinyectado se independizan, modificando la configuración de la unión panel-marco de forma que éste, en lugar de abrazar por sus bordes al panel, se sobrepone al mismo por su zona perimetral superior, quedando unidas ambas piezas por un cordón de adhesivo que contornea la cara inferior o interna del panel, entre el borde del mismo y la cara interna de las paredes del marco, quedando recubierto el panel con papel melaminizado adherido con cola termoactiva a la cara superior del plano de la tapa.In another improved variant of the structure of the lid, the low-performance plastic panel and the over-injected frame become independent, modifying the configuration of the panel-frame joint so that it, instead of embracing its edges to the panel, is it overlaps it by its upper perimeter zone, both pieces being joined by an adhesive cord that contours the bottom or inner side of the panel, between the edge of the panel and the inner face of the walls of the frame, the panel being covered with melamine paper adhered with thermoactive glue to the upper face of the lid plane.

En una última variante mejorada de la estructura de la tapa, el panel de plástico de bajas prestaciones (reciclado) y el marco sobreinyectado con material virgen, se independizan, modificando la configuración de la unión panel-marco de forma que éste, en lugar de abrazar por sus bordes al panel, se sobrepone al mismo por su zona perimetral superior, quedando unidas ambas piezas por un cordón de soldadura por ultrasonidos que contornea la cara superior o externa del panel, entre el borde del mismo y la cara interna de la parte sobrepuesta del marco, quedando recubierto el panel, con papel melaminizado adherido con cola termoactiva a la cara superior del plano de la tapa.In a last improved variant of the structure of the lid, the low-performance plastic panel (recycled) and the frame injected with virgin material, become independent, modifying the configuration of the panel-frame joint so that it, instead of hugging its edges to the panel, it is superimposed on it by its upper perimeter zone, both pieces being joined by an ultrasonic welding cord that contours the upper or outer face of the panel, between the edge of the panel and the inner side of the part superimposed on the frame, the panel being covered, with melamine paper adhered with thermoactive glue to the top face of the lid plane.

DESCRIPCIÓN DE LOS DIBUJOSDESCRIPTION OF THE DRAWINGS

Para complementar la descripción de la invención y facilitar la interpretación de las características formales, estructurales y funcionales, de su objeto, se acompañan dibujos en los que se representan esquemáticamente diferentes aspectos de una realización preferente de la "Tapa reforzada para electrodomésticos y procedimiento para su fabricación" que constituye el objeto de esta Patente.To complement the description of the invention and facilitate the interpretation of the formal, structural and functional characteristics of its object, accompanying drawings that schematically represent different aspects of a preferred embodiment of the "Reinforced lid for household appliances and manufacturing procedure" that constitutes the object of this Patent.

En dichos dibujos:In these drawings:

La Figura 1 representa, en sección por un plano vertical, uno de los vértices de la tapa reforzada.Figure 1 represents, in section by a vertical plane, one of the vertices of the reinforced lid.

La Figura 2 muestra, en sección transversal, la forma y disposición de los refuerzos metálicos.Figure 2 shows, in cross section, the shape and arrangement of the metal reinforcements.

La Figura 3 es un esquema de la distribución en planta de los elementos de trabajo que intervienen en el desarrollo del proceso reivindicado.Figure 3 is a scheme of the distribution in plan of the work elements involved in the development of the claimed process.

La Figura 4 representa, en sección por un plano vertical, la estructura de uno de los vértices de la tapa mejorada, según una variante de realización.Figure 4 represents, in section by a vertical plane, the structure of one of the vertices of the improved lid, according to a variant embodiment.

La Figura 5 muestra, en sección transversal, la forma y disposición de los refuerzos metálicos, en la tapa mejorada de la figura anterior.Figure 5 shows, in cross section, the shape and arrangement of the metal reinforcements, in the improved cover of the previous figure.

La Figura 6 representa, en sección por un plano vertical, la estructura de uno de los vértices de la tapa mejorada, según otra variante de realización.Figure 6 represents, in section by a vertical plane, the structure of one of the vertices of the improved cover, according to another variant embodiment.

La Figura 7 muestra, en sección transversal, la forma y disposición de los refuerzos metálicos, en la tapa mejorada de la figura anterior. La Figura 8 representa, en sección por un plano vertical, la estructura de uno de los vértices de la tapa mejorada, según otra variante de realización.Figure 7 shows, in cross section, the shape and arrangement of the metal reinforcements, in the improved cover of the previous figure. Figure 8 represents, in section by a vertical plane, the structure of one of the vertices of the improved lid, according to another variant embodiment.

La Figura 9 muestra, en sección transversal, la forma y disposición de los refuerzos metálicos, en la tapa mejorada de la figura anterior.Figure 9 shows, in cross section, the shape and arrangement of the metal reinforcements, in the improved cover of the previous figure.

La Figura 10 representa, en sección por un plano vertical, la estructura de uno de los vértices de la tapa mejorada, según otra variante de realización.Figure 10 represents, in section by a vertical plane, the structure of one of the vertices of the improved lid, according to another variant embodiment.

La Figura 11 muestra, en sección transversal, la forma y disposición de los refuerzos metálicos, en la tapa mejorada de la figura anterior.Figure 11 shows, in cross section, the shape and arrangement of the metal reinforcements, in the improved cover of the previous figure.

REALIZACIÓN PREFERENTE DE LA INVENCIÓNPREFERRED EMBODIMENT OF THE INVENTION

Para mostrar con claridad la naturaleza y el alcance de la aplicación ventajosa de la "Tapa reforzada para electrodomésticos y procedimiento para su fabricación" que constituye el objeto de la invención, se describen seguidamente su estructura y el proceso de su fabricación, haciendo referencia a los dibujos.In order to clearly show the nature and scope of the advantageous application of the "Reinforced lid for household appliances and manufacturing process" which constitutes the object of the invention, its structure and the manufacturing process are described below, referring to the drawings.

Los refuerzos consisten en flejes (1) de acero, de espesor reducido, dispuestos en planos perpendiculares al interior de la tapa, paralelos entre sí y al eje de articulación de la misma y equidistantes, en cuyo extremo de aplicación al plano interior de la tapa, presentan una pequeña pestaña ortogonal (2) de apoyo, encontrándose sobreinyectados dichos flejes (1) con revestimiento de plástico (3) y protegidos contra deformaciones lateralesThe reinforcements consist of strips (1) of steel, of reduced thickness, arranged in planes perpendicular to the inside of the cover, parallel to each other and to the axis of articulation thereof and equidistant, at whose end of application to the interior plane of the cover , they have a small orthogonal flange (2) for support, said strips (1) being overinjected with plastic coating (3) and protected against lateral deformations

(vuelco) mediante cartelas (4) repartidas a un lado y otro de los mismos. Su estructura comprende: un panel (5) de plástico de bajas prestaciones mecánicas, formado en el proceso de moldeo, cuya cara superior y exterior queda recubierta con una lámina de melamina (6) adherida con cola termoactiva o con un film transparente decorado por su cara interior, adherido en el proceso de moldeo, estando el panel reforzado con los perfiles metálicos (1) , sobreinyectándose el conjunto con un marco (7) de plástico de altas prestaciones, que lo abraza por sus bordes.(overturning) through posters (4) distributed to one side and another of them. Its structure comprises: a plastic panel (5) of low mechanical performance, formed in the molding process, whose upper and outer face is covered with a sheet of melamine (6) adhered with thermoactive glue or with a transparent film decorated by its inner face, adhered in the molding process, the panel being reinforced with the metal profiles (1), the assembly being injected with a high-performance plastic frame (7), which hugs it by its edges.

El procedimiento para la fabricación de las tapas comprende las siguientes operaciones consecutivas :The procedure for manufacturing the covers includes the following consecutive operations:

— Desenrollado (8) de las bobinas de fleje, con operación simultánea de cuatro bobinas en paralelo.- Unwind (8) of the strapping coils, with simultaneous operation of four coils in parallel.

— Enderezado simultáneo de los cuatro flejes, en un tren de rodillos (9) de posición regulable.- Simultaneous straightening of the four straps, in a roller train (9) with adjustable position.

— Perfilado de los flejes en dos trenes de rulinas (10) , de inicio y de acabado, para configurar en continuo los refuerzos de la tapa.- Profiling of the strips on two train wheels (10), starting and finishing, to continuously configure the reinforcements of the cover.

— Precalentamiento, en un equipo de inducción (11) , de las cuatro líneas de fleje conformado, para evitar un salto térmico excesivo en la inyección que provocaría el enfriamiento y solidificación brusca del plástico inyectado, en contacto con el metal, e impediría el desplazamiento relativo entre ambos materiales, necesario durante el proceso de inyección del revestimiento de los refuerzos.- Preheating, in an induction equipment (11), of the four lines of formed strip, to avoid an excessive thermal jump in the injection that would cause the cooling and sudden solidification of the injected plastic, in contact with the metal, and would prevent the displacement relative between both materials, necessary during the injection process of the reinforcement lining.

— Corte por cizallado (12) simultáneo de las cuatro líneas de fleje conformado, a la medida requerida, obteniéndose cuatro refuerzos en cada golpe de prensa. — Transferencia de los cuatro refuerzos precalentados, mediante un robot de pórtico (13) común para dos inyectoras (14) , sujetándolos con sus pinzas y colocándolos en los moldes .- Cut by simultaneous shearing (12) of the four lines of strip formed, to the required measure, obtaining four reinforcements in each press stroke. - Transfer of the four preheated reinforcements, using a common gantry robot (13) for two injectors (14), holding them with their tweezers and placing them in the molds.

— Alimentación automática de papel melaminizado o film transparente decorado, a las inyectoras mediante robots individuales (15) .- Automatic feeding of melaminized paper or decorated transparent film, to the injectors by means of individual robots (15).

— Sobreinyección para revestimiento de refuerzos.- Overinjection for reinforcement lining.

— Descarga de las inyectoras y evacuación de los paneles reforzados, mediante los mismos robots de alimentación- Discharge of the injectors and evacuation of the reinforced panels, by means of the same feeding robots

(15) , que los entregan a otra inyectora para la sobreinyección del marco, quedando formada la tapa.(15), which deliver them to another injector for overinjection of the frame, the lid being formed.

En una variante de realización mejorada, representada en las figuras 3 y 4, la estructura está formada por una sola pieza constitutiva del panel (5') y el marco (7'), moldeada con material reciclado y recubierta totalmente con film transparente (61) termoconformado y decorado por su cara inferior de aplicación sobre la pieza única de panel y marco. El resto de elementos de la tapa se mantienen con las mismas referencias que las de la realización primera de las figuras 1 y 2, por no variar en ninguna de sus características.In an improved embodiment variant, represented in Figures 3 and 4, the structure is formed by a single piece constituting the panel (5 ') and the frame (7'), molded with recycled material and completely covered with transparent film (6 1 ) thermoforming and decorated by its lower face of application on the single piece of panel and frame. The rest of the elements of the lid are kept with the same references as those of the first embodiment of Figures 1 and 2, as they do not vary in any of their characteristics.

En cuanto al procedimiento para la fabricación de la tapa reforzada, de acuerdo con la realización de las figuras 3 y 4, varía en que se prescinde de la última inyectora que se describe en la realización primera y que está destinada a la sobreinyección del marco, ya que el conjunto del panel y el marco se moldean inicialmente como una sola pieza, por lo que la tapa en su conjunto sale terminada de las inyectoras que se utilizan para sobreinyección de los refuerzos metálicos.As for the process for manufacturing the reinforced lid, according to the embodiment of Figures 3 and 4, it varies in that the last injector described in the first embodiment is dispensed with and is intended for overinjection of the frame, since the assembly of the panel and the frame are initially molded as a single piece, so that the cover as a whole comes out of the injectors that are used to Overinjection of metal reinforcements.

En otra variante de realización mostrada en las figuras 5 y 6, la estructura está formada también por una sola pieza constitutiva del panel (5') y el marco (71), moldeada con material virgen, es decir de primer uso, quedando recubierta la parte de la pieza única correspondiente al panel (5') con papel melaminizado (6), adherido con cola termoactiva a la cara superior del plano de la tapa. Los restantes elementos de la tapa se mantienen con las mismas referencias que los de la realización anterior, por no variar ninguna de sus características.In another variant embodiment shown in Figures 5 and 6, the structure is also formed by a single piece constituting the panel (5 ') and the frame (7 1 ), molded with virgin material, that is to say first use, being covered the part of the single piece corresponding to the panel (5 ') with melamine paper (6), adhered with thermoactive glue to the top face of the lid plane. The remaining elements of the lid are kept with the same references as those of the previous embodiment, as none of their characteristics vary.

En cuanto al procedimiento para la fabricación de la tapa reforzada, de acuerdo con la realización de las figuras 5 y 6, varía en que se prescinde de la última etapa inyectora que se describe en la realización primera, y que estaba destinada a la sobreinyección del marco, ya que el panel y el marco se moldean inicialmente como una sola pieza, por lo que la tapa en su conjunto sale terminada de las inyectoras que se utilizan para la sobreinyección de los refuerzos metálicos.As for the process for manufacturing the reinforced lid, according to the embodiment of Figures 5 and 6, it varies in that the last injector stage described in the first embodiment is dispensed with, and which was intended for the superinjection of the frame, since the panel and the frame are initially molded as a single piece, so that the cover as a whole comes out of the injectors that are used for the superinjection of the metal reinforcements.

En otra variante de realización, representada en las figuras 7 y 8, la configuración que determina la unión entre el panel (5") y marco (7") se modifica de forma tal que dicho marco (7") , en lugar de abrazar por sus bordes al panel (5"), se sobrepone al mismo por su zona perimetral superior, quedando unidas ambas piezas por un cordón de adhesivo (16) que contornea la cara inferior o interna del panel (5") , entre el borde del mismo y la cara interna de las paredes del marco (7"), quedando recubierto el panel (5") con papel melaminizado (6) adherido con cola termoactiva a la cara superior del plano de la tapa. El resto de elementos se mantienen con las mismas referencias que las de la realización primera de las figuras 1 y 2 , por no variar en ninguna de sus características .In another variant embodiment, represented in Figures 7 and 8, the configuration that determines the connection between the panel (5 ") and frame (7") is modified such that said frame (7 "), instead of embracing by its edges to the panel (5 "), it is superimposed on it by its upper perimeter zone, both pieces being joined by an adhesive cord (16) that contours the lower or inner side of the panel (5"), between the edge of the same and the inner side of the walls of the frame (7 "), the panel (5") being covered with melamine paper (6) adhered with a thermal glue to the upper face of the plane of the lid. The rest of the elements are kept with the same references as those of the first embodiment of Figures 1 and 2, as they do not vary in any of their characteristics.

En una última variante de realización, representada en las figuras 9 y 10, la estructura se basa en la independízacion del panel de plástico de bajas prestacionesIn a last embodiment variant, represented in figures 9 and 10, the structure is based on the independence of the low performance plastic panel

(reciclado) y del marco sobreinyectado con material virgen, previstos en la primera realización de las figuras 1 y 2, modificando la configuración de la unión panel (5'1')- marco (7' ' ') de forma que éste, en lugar de abrazar por sus bordes al panel (5 ' ' ' ) , se sobrepone al mismo por su zona perimetral superior, quedando unidas ambas piezas por un cordón de soldadura por ultrasonidos (17) que contornea la cara superior o externa del panel, entre el borde del mismo y la cara interna de la parte sobrepuesta del marco (7' ' '), quedando recubierto el panel, con papel melaminizado (6) adherido con cola termoactiva a la cara superior del plano de la tapa.(recycled) and of the frame injected with virgin material, provided in the first embodiment of figures 1 and 2, modifying the configuration of the panel (5 ' 1 ') - frame (7 ''') connection so that it, in instead of embracing the panel (5 '') by its edges, it is superimposed on it by its upper perimeter zone, both pieces being joined by an ultrasonic welding cord (17) that contours the upper or outer side of the panel, between the edge of the same and the internal face of the superimposed part of the frame (7 '''), the panel being covered, with melaminized paper (6) adhered with thermoactive glue to the upper face of the plane of the lid.

El resto de elementos se mantienen con las mismas referencias que las de la realización primera de las figuras 1 y 2, por no variar ninguna de sus características. The rest of the elements are kept with the same references as those of the first embodiment of Figures 1 and 2, as none of their characteristics vary.

Claims

R E I V I N D I C A C I O N E SR E I V I N D I C A C I O N E S Ia.- Tapa reforzada para electrodomésticos, caracterizada porque sus refuerzos consisten en flejes (1) de acero de espesor reducido, dispuestos en planos perpendiculares al interior de la tapa, paralelos entre sí y al eje de articulación de la misma y equidistantes, en cuyo extremo de aplicación al plano interior de la tapa, presentan una pequeña pestaña ortogonal (2) de apoyo, encontrándose sobreinyectados dichos flejes (1) con revestimiento de plástico (3) y protegidos contra deformaciones laterales (vuelco) mediante cartelas (4) repartidas a un lado y otro de los mismos .I to .- cover reinforced appliance, characterized in that its reinforcement consists of strips (1) of steel of reduced thickness, disposed in planes perpendicular to the inside of the lid, parallel to each other and to the hinge axis thereof and equidistantly in whose end of application to the inner plane of the cover, have a small orthogonal flange (2) of support, said strips (1) with plastic coating (3) being overinjected and protected against lateral deformations (overturning) by means of cartels (4) distributed on one side and another of them. 2a.- Tapa reforzada para electrodomésticos, según la Reivindicación Ia, caracterizada porque su estructura comprende: un panel (5 ó 5' ó 5' ' ó 5' ' ') de plástico de bajas prestaciones mecánicas, formado en el proceso de moldeo, cuya cara superior y exterior queda recubierta con una lámina de melamina (6 ó 6') adherida con cola termoactiva o con un film transparente decorado por su cara interior, adherido en el proceso de moldeo, estando el panel reforzado con los perfiles metálicos (1) , sobreinyectándose el conjunto con un marco (7 ó 7' ó 7' ' ó 7 ' ' ' ) de plástico de altas prestaciones, que lo abraza por sus bordes .2 .- cover enhanced appliances, according to Claim Ia, characterized in that its comprises structure: a panel (5 he or 5 'or 5''he or 5''') of plastic low mechanical performance, formed in the process molding, whose upper and outer face is covered with a sheet of melamine (6 or 6 ') adhered with thermoactive glue or with a transparent film decorated by its inner face, adhered in the molding process, the panel being reinforced with metal profiles (1), over-injecting the assembly with a frame (7 or 7 'or 7''or7''') of high performance plastic, which hugs it by its edges. 3a.- Tapa reforzada para electrodomésticos y procedimiento para su fabricación, según reivindicaciones Ia y 2a, caracterizada porque la estructura de la tapa está formada por una sola pieza constitutiva del panel (5') y el marco (7')/ moldeada con material reciclado y recubierta totalmente con film transparente (6') termoconformado y decorado por su cara inferior de aplicación sobre la pieza única de panel y marco. 4a.- Tapa reforzada para electrodomésticos y procedimiento para su fabricación, según reivindicaciones Ia y 2a, caracterizada porque la estructura de la tapa está formada por una sola pieza constitutiva del panel (5') y el marco (7'), moldeada con material virgen, quedando recubierta la parte de la pieza única correspondiente al panel (5') con papel melaminizado (6), adherido con loca termoactiva a la cara superior del plano de la tapa.3 .- cover enhanced appliances and method for its production, according to claims I and 2 nd, wherein the cap structure is formed by a single part constituting the panel (5 ') and the frame (7') / molded with recycled material and completely covered with transparent film (6 ') thermoforming and decorated by its lower face of application on the single piece of panel and frame. 4 a .- Reinforced cover for household appliances and manufacturing process, according to claims I a and 2 a , characterized in that the structure of the lid is formed by a single piece constituting the panel (5 ') and the frame (7'), molded with virgin material, the part of the single piece corresponding to the panel (5 ') being covered with melamine paper (6), adhered with a thermoactive loca to the upper face of the plane of the lid. 5a.- Tapa reforzada para electrodomésticos y procedimiento para su fabricación, según reivindicaciones Ia y 2a, caracterizada porque la unión entre el panel (5' ') y marco (7' ') está materializada de forma tal que determina una configuración en la que el marco (7' ') , en lugar de abrazar por sus bordes al panel (5''), se sobrepone al mismo por su zona perimetral superior, quedando unidas ambas piezas por un cordón de adhesivo (16) que contornea la cara inferior o. interna del panel (5''), entre el borde del mismo y la cara interna de las paredes del marco (7' ') , quedando recubierto el panel (5 ' ' ) con papel melaminizado (6) adherido con cola termoactiva a la cara superior del plano de la tapa.5 a .- Reinforced cover for household appliances and manufacturing process, according to claims I a and 2 a , characterized in that the joint between the panel (5 '') and frame (7 '') is materialized in such a way that it determines a configuration in which the frame (7 ''), instead of embracing its edges to the panel (5 ''), overlaps it by its upper perimeter zone, both pieces being joined by an adhesive cord (16) that contours the lower face or. inside the panel (5 ''), between the edge of the panel and the inner face of the walls of the frame (7 ''), the panel (5 '') being covered with melamine paper (6) adhered with thermoactive glue to the top face of the plane of the lid. 6a.- Tapa reforzada para electrodomésticos y procedimiento para su fabricación, según reivindicaciones6 .- reinforced cover appliance and method for its production, according to claims Ia y 2a, caracterizada porque la unión del panel (5' ' ') y marco (V ' ') presenta una configuración tal que dicho marcoI a and 2 a , characterized in that the union of the panel (5 ''') and frame (V'') has a configuration such that said frame (7' ' ') , en lugar de abrazar por sus bordes al panel (51 ' ') , se sobrepone al mismo por su zona perimetral superior, quedando unidas ambas piezas por un cordón de soldadura por ultrasonidos (17) que contornea la cara superior o externa del panel (5' ' ') , entre el borde del mismo y la cara interna de la parte sobrepuesta del marco (7) , quedando recubierto el panel (5''') con papel melaminizado (6) adherido con cola termoactiva a la cara superior del plano de la tapa .(7 '''), instead of embracing the panel (5 1 '') by its edges, it is superimposed by its upper perimeter zone, both pieces being joined by an ultrasonic welding bead (17) that contours the upper or outer side of the panel (5 ''), between the edge of the panel and the inner face of the superimposed part of the frame (7), the panel (5 '') being covered with melamine paper (6) adhered with thermoactive tail to the upper face of the plane of the lid. 7a.- Procedimiento para la fabricación de tapas reforzadas para electrodomésticos, de las características técnicas descritas en las Reivindicaciones precedentes, caracterizado porque comprende las siguientes operaciones consecutivas: Desenrollado (8) de las bobinas de fleje, con operación simultánea de cuatro bobinas en paralelo; enderezado simultáneo de los cuatro flejes, en un tren de rodillos (9) de posición regulable; perfilado de los flejes en dos trenes de rulinas (10) , de inicio y de acabado, para configurar en continuo los refuerzos de la tapa; precalentamiento en un equipo de inducción (11) de las cuatro líneas de fleje conformado, para evitar un salto térmico excesivo en la inyección que provocaría el enfriamiento y solidificación brusca del plástico inyectado, en contacto con el metal, e impediría el desplazamiento relativo entre ambos materiales, necesario durante el proceso de inyección del revestimiento de los refuerzos; corte por cizallado (12) simultáneo de las cuatro líneas de fleje conformado, a la medida requerida, obteniéndose cuatro refuerzos en cada golpe de prensa; transferencia de los cuatro refuerzos precalentados, mediante un robot de pórtico (13) común para dos inyectoras (14) , sujetándolos con sus pinzas y colocándolos en los moldes; alimentación automática de papel melaminizado o film transparente decorado, a las inyectoras mediante robots individuales (15) ; sobreinyección para revestimiento de refuerzos; descarga de las inyectoras y evacuación de los paneles reforzados, mediante los mismos robots de alimentación (15) , que los entregan a otra inyectora para la sobreinyección del marco, quedando formada la tapa.7 a .- Procedure for the manufacture of reinforced covers for household appliances, of the technical characteristics described in the preceding Claims, characterized in that it comprises the following consecutive operations: Unwinding (8) of the strapping coils, with simultaneous operation of four coils in parallel ; simultaneous straightening of the four straps, in a roller train (9) of adjustable position; profiling of the straps on two train wheels (10), starting and finishing, to continuously configure the reinforcements of the cover; preheating in an induction equipment (11) of the four formed strapping lines, to avoid an excessive thermal jump in the injection that would cause the cooling and sudden solidification of the injected plastic, in contact with the metal, and prevent the relative displacement between the two materials, necessary during the injection process of the reinforcement lining; simultaneous shear cutting (12) of the four shaped strap lines, to the required extent, obtaining four reinforcements in each press stroke; transfer of the four preheated reinforcements, using a common gantry robot (13) for two injectors (14), holding them with their tweezers and placing them in the molds; automatic feeding of melamine paper or decorated transparent film, to the injectors by means of individual robots (15); overinjection for reinforcement lining; discharge of the injectors and evacuation of the reinforced panels, by means of the same feeding robots (15), that deliver them to another injector for the superinjection of the frame, being formed the cover. 8a.- Procedimiento para la fabricación de tapas reforzadas para electrodomésticos, que incluye todas las fases operativas contempladas en el preámbulo de la reivindicación precedente, caracterizado porque se prescinde de la última inyectora destinada a la sobreinyección del marco, teniendo lugar la terminación de la tapa a la salida de las inyectoras utilizadas en la sobreinyección del revestimiento de los refuerzos metálicos . 8 a .- Procedure for the manufacture of reinforced covers for household appliances, which includes all operational phases contemplated in the preamble of the preceding claim, characterized in that the last injector destined for the overinjection of the frame is dispensed with, the termination of the cover taking place at the exit of the injectors used in the overinjection of the coating of the metallic reinforcements.
PCT/ES2001/000325 2000-08-24 2001-08-21 Reinforced cover for electrical household appliances and method for the production thereof Ceased WO2002016687A1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
DE60108766T DE60108766T2 (en) 2000-08-24 2001-08-21 REINFORCED LID FOR ELECTRIC HOUSEHOLD APPLIANCES AND MANUFACTURING METHOD
AU2001282154A AU2001282154A1 (en) 2000-08-24 2001-08-21 Reinforced cover for electrical household appliances and method for the production thereof
AT01960755T ATE288513T1 (en) 2000-08-24 2001-08-21 REINFORCED LID FOR HOUSEHOLD ELECTRICAL APPLIANCES AND MANUFACTURING METHODS
EP01960755A EP1316636B1 (en) 2000-08-24 2001-08-21 Reinforced cover for electrical household appliances and method for the production thereof
PL36140701A PL361407A1 (en) 2000-08-24 2001-08-21 Reinforced cover for electrical household appliances and method for the production thereof

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
ESP200002125 2000-08-24
ES200002122A ES2170693B1 (en) 2000-07-07 2000-08-24 REINFORCED COVER FOR APPLIANCES AND TRODOMESTICS AND PROCEDURE FOR MANUFACTURING.
ES200002123A ES2170694B1 (en) 2000-07-07 2000-08-24 REINFORCED COVER FOR APPLIANCES AND TRODOMESTICS AND PROCEDURE FOR MANUFACTURING.
ESP200002123 2000-08-24
ESP200002122 2000-08-24
ES200002125A ES2170696B1 (en) 2000-07-07 2000-08-24 REINFORCED COVER FOR APPLIANCES AND TRODOMESTICS AND PROCEDURE FOR MANUFACTURING.
ESP200002124 2000-08-24
ES200002124A ES2170695B1 (en) 2000-07-07 2000-08-24 REINFORCED COVER FOR APPLIANCES AND TRODOMESTICS AND PROCEDURE FOR MANUFACTURING.

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AT (1) ATE288513T1 (en)
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US8409860B2 (en) 2009-03-26 2013-04-02 Dow Agrosciences, Llc. Method and apparatus for tissue transfer
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AU2001282154A1 (en) 2002-03-04
EP1316636B1 (en) 2005-02-02
DE60108766D1 (en) 2005-03-10
PL361407A1 (en) 2004-10-04
DE60108766T2 (en) 2006-01-05
ATE288513T1 (en) 2005-02-15

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