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EP0991345B1 - Polsterung oder stütze mit expandierbaren zellen - Google Patents

Polsterung oder stütze mit expandierbaren zellen Download PDF

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Publication number
EP0991345B1
EP0991345B1 EP97930565A EP97930565A EP0991345B1 EP 0991345 B1 EP0991345 B1 EP 0991345B1 EP 97930565 A EP97930565 A EP 97930565A EP 97930565 A EP97930565 A EP 97930565A EP 0991345 B1 EP0991345 B1 EP 0991345B1
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EP
European Patent Office
Prior art keywords
fissures
cell
walls
perceptibly
square
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EP97930565A
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English (en)
French (fr)
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EP0991345A1 (de
Inventor
Georges Roux
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Individual
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Individual
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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C27/00—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas
    • A47C27/08—Fluid mattresses
    • A47C27/081—Fluid mattresses of pneumatic type
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C27/00—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas
    • A47C27/08—Fluid mattresses
    • A47C27/10—Fluid mattresses with two or more independently-fillable chambers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S5/00—Beds
    • Y10S5/944—Beds with upstanding firm massaging projections

Definitions

  • the subject of the present invention is a support which can be used mattress, cushion or padding consisting of cells, in the form of balloons or cells inflated by a fluid, whether or not connected together by the base so to form the same fluid volume entity whose nature is defined according to needs and contained in different cells, which are arranged in such a way that their number or density per unit of support surface either as low as possible, while offering the most uniform support surface adapting to the shape of the body supported, once correctly completed.
  • This support can be used for medical use such as anti-decubitus mattresses and cushions and padding protection, in particular such as dorso-lumbar supports or for fragile products.
  • Holdredge describes a support with turbine comprising including non-expandable air bags
  • Beaud describes a support with inflatable elements formed of two sheets, characterized by an internal wall on the joint plane of the two sheets.
  • Yamamoto Giichi describes a anti-vibration cushion with cells for conductors vehicles.
  • Sagami Masaharu describes the operation of air cell mattresses.
  • Hiochi Toshimichi describes the regulation of a fluid (air or water) in a support.
  • the downside of support with regulation or dynamic assistance is to be expensive, without rejecting the possible use of assisted supports; the present invention makes it possible to operate the support without assistance as in some of the aforementioned media, in particular of HINSDALE, GRAEBE, BENGUIGUI or VIESTURS.
  • some medical supports have the disadvantage of promoting the effect of hammock that causes skin shearing and poor vascularization; for example for the Hinsdale mattress in the case of anti-decubitus use this harmful effect would be removed by removing the top cover or by replacing with a very stretchy "jersey" type fabric.
  • Patent GB 1341325 describes a mattress which is substantially identical in principle, inflated with air with a turbine as DOUGLAS also describes it in US 4279044.
  • Ichida Michiyasu describes a system of regulation in a frustoconical cell mattress.
  • inter-cell communication system has was also described by VIESTURS with a liquid in US 4422194, on a square cell support, optionally composed of shaped leaves located on the side and the other from the parting line.
  • SEBAG and BENGUIGUI in US 5553220 (EP 0721755A1) describe a variant of cell with four branches or wings with parallel walls, lateral depressions of contiguous cells facing each other, they use the distribution grid of FR 2707873.
  • ROUSCHAL in DE-U-9410601 describes cells, but mainly a communication system between cells based on collage, top sheet shaped and lower plane, exclusively on the periphery of the support.
  • RASMUSSEN describes a packaging element made of vegetable fiber which seems to have the advantage of being inexpensive, but not reusable.
  • COLVIN describes a structure damping composite comprising cells frustoconical or polygonal tires which has the advantage to be reusable.
  • GUSAKOV describes an assembly of cells swollen with fluid having symmetry with respect to median joint plane.
  • ROUX in the French application FR-A-2 736 812 has a description of the cells of a cell support intercommunicating which has the major disadvantage of not define nothing for cells with many wings and above all small cells up to three or four centimeters of section which is annoying considering this that all the sharp angles as mentioned in this further description are for practical necessities rounded.
  • the principle of the present invention describes its advantages and differences compared to cells with parallel-walled wings and cells of unusual shapes, not defined by Graebe in US 4005236 and US 5052068 as we will discuss in the description to follow.
  • the present invention proposes to provide solutions to overcome the drawbacks of known methods previously.
  • this invention relates to the design of mattresses, cushions, padding for medical use, packaging reusable of fragile products, system and support antivibration with expandable cells composed in particular of a generally flexible upper sheet comprising expandable, intercommunicating or no, capable of expansion when filled with a fluid, a cell at rest viewed in cross section at body level is bounded by at least two perimeters indoor and outdoor partly virtual, concentric inscribed on envelopes of indifferent shape: square, pentagonal, octagonal, circular, irregular; where the cracks, faults or crevices consist essentially of walls: more or less substantially close, parallel or no, with undercut or undercut; straight, concave, convex or broken; connecting the outer perimeter to interior perimeter for example adoption mainly from a broken line to join the periphery to the central zone of the ballonet or cell conferring a definite advantage characterized in that the portion of the cell wall joining two points located each on one of the perimeters can be strictly online right under condition.
  • This invention relates to the design of mattresses, cushion, padding for medical use, reusable packaging of fragile products, anti-vibration system and support.
  • a support or padding is produced, composed in particular of a upper sheet 1, in general, flexible, shaped comprising expandable cells 3, which can be inter communicating capable of expansion during filling by a fluid such as a cell at rest seen in section transverse at the level of the body is delimited by at least two interior 6 and exterior 7 perimeters in part virtual, concentric inscribed on shaped envelopes indifferent: square 16 pentagonal 19, octagonal 17, circular 18, irregular 15 and 20; where the faces, faults or crevices consist essentially of walls, more or less substantially close, parallel 4 or not with draft 8 or undercut 9; straight lines 21, concaves 10, convex 11 or broken 12a and 12b; connecting the perimeter exterior 7 to interior perimeter 6, adoption as nonlimiting example of form mainly of a line broken 14 to join a point 22 of the periphery 7 to a point 23 of central zone 6 more or less close to axis 24 of the balloon or cell (fig.3 // fig.2 // fig.1 // fig.4a // fig.12) conferring
  • the perimeter of the inflated cell being equal to the sum of apparent lengths from the outside on the faces of concentric envelopes plus the repeated lengths as much of the walls of the crevices connecting these envelopes concentric.
  • the shape of the cells as described in the present invention is characterized in that a the difference of the cells known in the prior art and which have branches in a straight line (fig. 4a) cells object of the present invention have walls whose faces are more extensive in surface (fig. 15b) (fig.4b) and which reveal cracks, faults or crevices as well as depressions in the case of improvement of cells with parallel walls (fig 4b).
  • a cell 3 (fig. 1 and Fig.
  • top 25 in the form of a dome or domes when the cell is filled with fluid and when the cell is at rest the walls on the outer envelope generally join the central point of this vertex gently preferably located on the longitudinal axis; a body 26 subject of the invention; a foot 27 of indifferent shape, uniform or not with the body at rest, more or less large size in height and width.
  • the crevices preferably have more or less walls substantially close, parallel or substantially 4, concaves 10, convex 11, broken 12a and 12b; the walls of cracks do not necessarily have symmetry with respect to sagittal plan of the crevasse (fig. 3) and are not necessarily radiating (fig. 19).
  • the wings or branches of the cell are included and defined between two crevices contiguous and successive or depressions, the wings have preferably a minimum triangle shape in general, but also quadrilateral (fig. 5) (fig 4b) or other, with apex inside.
  • the first (fig. 2) is described as a star formed of eight branches 5 attached to a virtual central element 6 and contained in an outer envelope 7 and the second (fig. 4a) like a four-pointed star ending at four corners of a square envelope
  • the distal end of the branches to the proximal part the walls of the branches 5 are in a straight line 13.
  • the advantage by comparison of the present invention is due to replacement of these straight walls (fig. 2; fig. 4a; fig.
  • the gain in perimeter of the inflated fluid cell is substantially 3% to 25% in practice, and up to 40% in theory as we demonstrate it further, in the case of a cell having a section with four crevices on the faces lateral (fig. 5) with wings with several faces by relation to a cross-shaped cell (fig. 4a) having two-sided wings like an eight-star branches (fig. 2) has a perimeter less than a cell with eight crevices (fig. 3) .
  • the gait is identical between a five-pointed star (fig. 12) compared to a pentagon with five crevices (fig. 13).
  • cells with eight branches (fig2) with five branches (fig12) and four branches (fig4a) which all have walled wings according to the invention have a gain in perimeter in applying the principle of flat 29 on the third face level of the peripheral envelope 7 as indicated on the figure (4b) as we will see later.
  • figures (20) and (21) represent the cell body section inscribed in envelopes squares of the same dimension
  • figures (4a) and (5) respectively where the wings are as thin as possible and the narrowest crevices
  • "d" is the length of the half diagonal of the square: in the case of a cell meeting the criteria of figure (20) on cell perimeter would be eight times "d”; in the case of the cell meeting the criteria of figure (21) on perimeter would be equal to sixteen times "d” that divides root square of two, if square root of two is substantially equal to the fraction seven fifth, the theoretical perimeter of the cell (fig. 21) would be approximately eleven times and a half "d".
  • the theoretical scope of the cell in figure (21) is about 40% higher than that of the cell of figure (20) more simply by comparing the wings or branches (fig. 4a) of art anterior and those (fig. 15b) according to the invention, the additional length according to the invention is substantially the difference between the lengths of the external face (fig. 15b and 4a) and the thickness of the wing of the prior art (fig. 4b and 4a)
  • the advantage conferred on this invention by the presence of a flat 29 between two points 28 as defined previously (fig. 4b), applied by example to the cell described by Graebe (fig 4a) with walls parallels in US 4541136 even if it is minimal in the practical is undeniable on a theoretical level.
  • cells can have all wings with parallel walls, each wing may be surrounded by two crevices with parallel walls, for example all the wings of the cell if they are arranged like two combs back to back, the teeth of the comb representing the wings, may have parallel walls and surrounded by crevices with parallel walls.
  • the realization of the invention makes it possible to see during the expansion of a cell beyond its rest position and so by increasing the perimeter of the cell to get a decrease in cell density per unit area support while maintaining optimal efficiency, while consequence as advantages a gain of matter, energy such than for drying, polymerization, vulcanization, by a better ventilation for drying the top sheet generally obtained and for example by dipping the mandrels or male molds in a material bath: latex, polyvinyl chloride or whatever, which will evenly coat them, this which can be a very significant gain especially when the support cells such as mattresses have heights of 10 to 40 centimeters and consequently: time for the production of the top sheet and in general of all these plus benefits for the assembly of the top sheet shaped and the bottom sheet to get the product finally, by the existence of more surface joint planes important, due to the wider spacing of the cells of two contiguous rows thanks to the invention and by therefore better assembly of sheet 1 and 2 knowing that the assembly of the padding or support can not only be carried out at the padding or support periphery
  • a support consisting of a top sheet 1 where are cells 3 and a bottom sheet 2, the flat base (fig. 1) or shaped (fig. 18) (to be possibly placed itself on a shaped seat semi rigid polyurethane foam for example) is consisting of the assembly of sheets 1 and 2; we can also as in some cases of the prior art realize supports composed of two sheets in form 1, the first retaining the upper position (fig. 1) and the second being reversed so that the vertices 25 of his cells are upside down and 27 feet up, all having symmetry with respect to the joint plane; we can also, depending on the medium, remove cells from the leaf in shape 1 so as to leave an empty space between the remaining cells or any other combination exploitable cell height.
  • the system of communication between cells or the regulatory system being indifferent and known from the prior art.
  • the walls of the crevices may preferably be parallel 4, with draft 8, with undercut 9 in straight line 21, concave 10, convex 11, or even broken 12a and 12b.
  • the distribution of crevices between concentric perimeters, at least two, may be random; that is to say that a crevice with walls in form of broken line may be contiguous with a crevice at parallel walls.
  • the virtual envelope outside 7 outside of irregular section shapes will have in order of preference a square section 16 circular 18, pentagonal 19, octagonal 17 and according to the free use of the product in practice.
  • the number of cracks is limited by their width at the level of the inner concentric perimeter, by the thickness of the wings at this level and by the length of the perimeter concentric interior, as well as by the thickness of the constituent materials of the cell of its qualities mechanical and its implementation characteristics. More the greater the number of cracks, the more this allows meet the goal of decreasing cell density per unit area of the support, however for questions of realization and manufacture of supports or padding for medical use we can limit the number of cracks as described below. In the extreme case where a cell would have very many wings, the difference between art The invention is demonstrated in the following manner.
  • the schematic shape of a wing of male mandrel used to manufacture cells by dipping for example, and therefore this cell wing at rest is the part between two crevices successive or contiguous, is often represented by a triangle (fig. 3) (fig. 6) (fig. 7) (fig. 9) (fig. 10) (fig. 11) (fig.15a) (fig.17) a quadrilateral (fig. 4b) (fig. 5) or a at least substantially triangular in shape, the apex of which located on the side of the inner envelope and the base on the side of the outer envelope.
  • a cell wing at rest comprises at least three faces including at least two faces each from walls of two successive crevices and at least one face following the path of the outer envelope, this third face has at least one flat 29 on part of its path along the outer shell 7.
  • the external virtual envelope 7 for anti-decubitus supports can be about ten to a hundred millimeters cross section, the walls of the crevices may be spaced about two to twenty millimeters apart, the thickness of the wall of a cell can vary from a half to two millimeters approximately.
  • the central longitudinal axis 24 can be an axis of symmetry.
  • the implementation of these supports can therefore apply to the production of mattresses, cushions, anti-decubitus padding, but also such as mattresses participating in the comfort of an individual, cushions, backrests and as padding or protection for fragile products, anti-vibration systems
  • the description of the advantage conferred by the invention is not limiting of the process to obtain the manufactured product: with mandrels or male molds by dipping in preference to molds females for reasons of surface finish of the molds, mold versus injection mold, rotational molding mold, thermoforming or other processes.

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  • Invalid Beds And Related Equipment (AREA)
  • Mattresses And Other Support Structures For Chairs And Beds (AREA)
  • Prostheses (AREA)

Claims (16)

  1. Polsterung oder Unterlage, die ausdehnbare Zellen enthalten, deren Schnitt, gesehen im Querschnitt am Beispiel eines Zellkörpers (26) im Ruhezustand (3), Flügel der obengenannten Zelle zeigt, die mindestens drei Seiten aufweisen, von denen mindestens zwei Seiten jeweils aus den Trennwänden zwei aufeinanderfolgender Spalten stammen, die so beschaffen sein sollen, dass die dritte Fläche, die dem Verlauf der äusseren Hülle folgt, mindestens eine Abflachung auf ihrem Verlauf enthält, wobei die Bestandteile dieser Abflachung (29) dem Zellzentrum weiter entfernt liegen sollen als die anderen Bestandteile dieser dritten Fläche.
  2. Polsterung oder Unterlage gemäss Forderung 1 sollen Zellen beinhalten, deren Körperschnitt im Querschnitt gesehen Trennwände mit genau viereckiger äusserer Hülle enthalten soll, sechs Flügel mit parallelen Trennwänden und sechs Spalten mit jeweils parallelen Trennwänden enthalten soll, wobei das Ganze im Vergleich wie zwei aneinandergereihte Kämme angeordnet sein soll, deren Zähne die sechs Flügel darstellen ; auf jeder der zwei gegenüberliegenden Seiten der äusseren Hülle sind also zwei Spalten von jeder Seite jedes zentralen Flügels sichtbar, wobei die zwei Spalten beide ihrerseits von zwei zum ersten Hauptflügel parallel liegenden Flügeln umgeben sein sollen ; die Aussenseiten der beiden Flügel, die den ersten umgeben, sollen ihrerseits Bestandteil der Aussenhülle sein ; die Öffnungen der beiden letztgenannten Spalten mit parallelen Trennwänden sollen an den Mittelpunkten der beiden anderen Seiten befinden, die den beiden ersten Seiten zugeordneten Flügeln gegenüberliegend und in senkrechter Position angeordnet sein sollen ; die Flügel mit parallelen Trennwänden sollen so beschaffen sein, dass ihre dritte Seite, die dem Verlauf der Aussenhülle folgt, aus einer Abflachung besteht und wir auf dieser auf den vier Seiten der Flügel in den vier Ecken der Hülle und Hauptbestandteile der beiden letzten Seiten der Aussenhülle wiederum eine Abflachung vorfinden, d.h. eine Zelle mit sechs Spalten (4) und zehn Abflachungen (29) ; die Abflachungen, alle von gleicher Länge eines Viertels bis zu drei Vierteln der Länge, die zwei Öffnungen zwei aufeinanderfolgender Spalten trennt, sollen von der symmetrischen Ebene der Zelle weiter entfernt liegen als die anderen wesentlichen Punkte der Aussenhülle in ihrem Verlauf zwischen zwei sich an der Öffnung von zwei aufeinanderfolgenden Spalten befindenden Punkten.
  3. Polsterung oder Unterlage gemäss Forderung 1 sollen Zellen beinhalten, die so beschaffen sind, dass die Zelle im Ruhezustand, deren Körperschnitt (26) im Querschnitt der Trennwände zu sehen ist, und die eine genau kreisförmige Aussenhülle besitzt, vier genau parallele Spalten (4) enthalten soll, sowie eine Abflachung (29) zwischen zwei Spalten, also ebensoviele Abflachungen wie Spalten.
  4. Polsterung oder Unterlage gemäss Forderung 1 sollen Zellen beinhalten, die so beschaffen sind, dass die Zelle im Ruhezustand (3), deren Körperschnitt im Querschnitt der Trennwände zu sehen ist und die eine genau kreisförmige Aussenhülle besitzt, vier Spalten (8) mit abgezogener Hülle besitzen soll, sowie eine Abflachung (29) zwischen zwei Spalten, also ebensoviele Abflachungen wie Spalten.
  5. Polsterung oder Unterlage gemäss Forderung 1 sollen Zellen beinhalten, die so beschaffen sind, dass die Zelle im Ruhezustand (3), deren Körperschnitt im Querschnitt der Trennwände zu sehen ist und die eine unregelmässige und genau fünfseitige Aussenhülle besitzt, fünf Spalten (4) besitzen soll, die genau parallele Trennwände auf den fünf seitlichen Flächen dieses Fünfecks haben sollen, wobei drei Flächen eine bogenförmige Form haben; dieses Fünfeck erstreckt sich über drei zwischen vier Spalten enthaltene Teile, wobei die anderen eben sind, und es soll eine Abflachung (29) zwischen zwei Spalten enthalten, also ebensoviele Abflachungen wie Spalten.
  6. Polsterung oder Unterlage gemäss Forderung 1 sollen Zellen beinhalten, die so beschaffen sind, dass die Zelle im Ruhezustand (3), deren Körperschnitt im Querschnitt der Trennwände zu sehen ist und die eine genau kreisförmige Aussenhülle besitzt, fünf Spalten (4) mit genau parallelen Trennwänden besitzen soll ; die Zelle soll eine Abflachung (29) zwischen zwei Spalten enthalten, also ebensoviele Abflachungen wie Spalten.
  7. Polsterung oder Unterlage gemäss Forderung 1 sollen Zellen beinhalten, die so beschaffen sind, dass die Zelle im Ruhezustand, deren Körperschnitt im Querschnitt der Trennwände zu sehen ist und die eine genau viereckige Aussenhülle besitzt, vier Spalten (4) mit genau parallelen Trennwänden an den vier Seitenflächen dieses Vierecks in genau gleicher Entfernung der Endpunkte jeder Seite besitzen soll ; die Zellesoll eine Abflachung (29) zwischen zwei Spalten aufweisen, also mindestens ebensoviele Abflachungen wie Spalten.
  8. Polsterung oder Unterlage gemäss Forderung 1 sollen Zellen beinhalten, die so beschaffen sind, dass die Zelle im Ruhezustand, deren Körperschnitt im Querschnitt der Trennwände zu sehen ist und die eine genau viereckige Aussenhülle besitzt, vier Spalten (4) mit genau parallelen Trennwänden auf den Diagonalen dieses Vierecks besitzen soll ; die Zelle soll eine Abflachung (29) zwischen zwei Spalten aufweisen, also mindestens ebensoviele Abflachungen wie Spalten.
  9. Polsterung oder Unterlage gemäss Forderung 1 sollen Zellen beinhalten, die so beschaffen sind, dass die Zelle im Ruhezustand, deren Körperschnitt im Querschnitt der Trennwände zu sehen ist und die eine genau viereckige Aussenhülle besitzt, vier Spalten (8) auf den Diagonalen dieses Vierecks besitzen soll, wobei die Spalten mit nicht parallelen Trennwänden am von der Spalte oder abgezogenen Hülle entferntesten Endpunkt breiter sein sollen ; die Zelle soll eine Abflachung (29) zwischen zwei Spalten enthalten, also mindestens ebensoviele Abflachungen wie Spalten.
  10. Polsterung oder Unterlage gemäss Forderung 1 sollen Zellen beinhalten, die so beschaffen sind, dass die Zelle im Ruhezustand , deren Körperschnitt im Querschnitt der Trennwände zu sehen ist und die eine genau achteckige Aussenhülle besitzt, acht Spalten (4) mit genau parallelen Trennwänden auf den acht Seitenflächen dieses Achtecks und zwei innere konzentrische Umfânge besitzen soll, wobei jeder am nahegelegenste Endpunkt oder Boden aufeinanderfolgender Spalten abwechselnd auf der Höhe eines jeden konzentrischen Umfangs beendet sein soll ; die Zelle soll eine Abflachung (29) zwischen zwei Spalten aufweisen, also mindestens ebensoviele Abflachungen wie Spalten.
  11. Polsterung oder Unterlage gemäss Forderung 1 sollen Zellen beinhalten, die so beschaffen sind, dass die Zelle im Ruhezustand, deren Körperschnitt im Querschnitt der Trennwände zu sehen ist un die eine genau viereckige Aussenhülle besitzt, vier Spalten (9) auf den Diagonalen dieses Vierecks besitzen soll ; die Spalten mit nicht parallelen Trennwänden sollen am von der Spalte oder dem Boden oder der abgezogenen Hülle entferntesten Endpunkt breiter sein ; die Zelle soll eine Abflachung (29) zwischen zwei Spalten aufweisen, also mindestens ebensoviele Abflachungen wie Spalten.
  12. Polsterung oder Unterlage gemäss Forderung 1 sollen Zellen beinhalten, die so beschaffen sind, das die Zelle im Ruhezustand, deren Körperschnitt im Querschnitt der Ttrennwände zu sehen ist und die eine genau fünfeckige Aussenhülle besitzt, fünf Spalten (4) mit genau parallelen Trennwänden auf den fünf Seitenflächen dieses Fünfecks in genau gleicher Entfernung der Endpunkte jeder Seite besitzen soll ; die Zelle soll eine Abflachung (29) zwischen zwei Spalten aufweisen, also mindestens ebensoviele Abflachungen wie Spalten.
  13. Polsterung oder Unterlage gemäss Forderung 1 sollen Zellen beinhalten, die so beschaffen sind, dass die Zelle im Ruhezustand, deren Körperschnitt im Querschnitt der Trennwände zu sehen ist und die eine genau viereckige Aussenhülle besitzt, fünf Spalten (4) mit genau parallelen Trennwänden besitzen soll, von denen zwei Spalten sich in Höhe der oberen Winkel dieses Vierecks befinden sollen, zwei andere auf den Seitenflächen des Vierecks und auf zwei Dritteln der Länge dieser der Grundfläche des Vierecks am nächsten liegenden Flächen und die fünfte in der Mitte der Grundfläche des Vierecks ; die Zelle soll eine Abflachung (29) zwischen zwei Spalten aufweisen, also mindestens ebensoviele Abflachungen wie Spalten.
  14. Polsterung oder Unterlage gemäss Forderung 1 sollen Zellen beinhalten, die so beschaffen sind, dass die Zelle im Ruhezustand, deren Köperschnitt im Querschnitt der Trennwände zu sehen ist und die eine genau fünfeckige Aussenhülle besitzt, zehn Spalten (4) besitzen soll, von denen fünf sich auf den fünf Seitenflächen dieses Fünfecks befinden sollen, die fünf anderen an den fünf Spitzen dieses Fünfecks und den zwei inneren konzentrischen Umfangen ; der Boden der angrenzenden Spalten soll auf der Ebene jedes Umfangs oder jeder Innenhülle beendet sein ; die Zelle soll eine Abflachung (29) zwischen zwei Spalten aufweisen, also mindestens ebensoviele Abflachungen wie Spalten.
  15. Polsterung oder Unterlage gemäss Forderung 1 sollen Zellen beinhalten, die so beschaffen sind, dass die Zelle im Ruhezustand, deren Körperschnitt im Querschnitt der Trennwände zu sehen ist und die eine genau viereckige Aussenhülle besitzt, fünf Spalten (4) mit genau parallelen Trennwänden besitzen soll, von denen sich zwei Spalten mit geraden Trennwänden auf der Höhe der oberen Winkel dieses Vierecks befinden sollen, zwei andere auf den Seitenflächen des Vierecks und auf zwei Dritteln der Länge dieser der Grundfläche des Vierecks am nächsten liegenden Seiten ; der Boden soll sich vom Zentrum der Zelle weg in Richtung der zwei ersten angrenzenden Spalten bewegen, wobei jede Spalte parallel eine konkave Trennwand (10) und eine konvexe Trennwand (11) haben soll, sowie die fünfte Spalte mit gerader Trennwand (4) in der Mitte der Grundfläche des Vierecks ; die Zelle soll eine Abflachung (29) zwischen zwei Spalten aufweisen, also mindestens ebensoviele Abflachungen wie Spalten.
  16. Polsterung oder Unterlage sollen ausdehnbare Zellen enthalten, deren Körper (26) der Zelle im Ruhezustand (3) Flügel enthalten soll, die jeweils aus zwei hintereinanderfolgenden Spalten entstanden sind ; Zellen, deren Querschnitt so beschaffen ist, dass dass die Flügel von genau dreieckiger Form, deren Gipfel innen liegt, mindestens drei Seiten, davon zwei Seiten des Dreiecks, besitzen, Seiten, die nie für alle Flügel parallel liegen und dass die Flügel aus den Trennwänden von zwei hintereinanderliegenden Spalten (4) entstehen sollen ; die dritte Seite zwischen zwei Spalten (28) auf dem äusseren Verlauf der Zelle soll mindestens eine Abflachung (28) enthalten, deren sämtliche Punkte, die die Abflachung bilden, weiter vom Zentrum (24) entfernt sein sollen als die anderen Punkte der genannten Fläche.
EP97930565A 1997-06-23 1997-06-23 Polsterung oder stütze mit expandierbaren zellen Expired - Lifetime EP0991345B1 (de)

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PCT/FR1997/001112 WO1998058571A1 (fr) 1997-06-23 1997-06-23 Rembourrage ou support a cellules expansibles

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DE69715469D1 (de) 2002-10-17
DE69715469T2 (de) 2003-07-24
US20020013967A1 (en) 2002-02-07
JP2002503136A (ja) 2002-01-29
WO1998058571A1 (fr) 1998-12-30
US6550085B2 (en) 2003-04-22
EP0991345A1 (de) 2000-04-12
US6684430B2 (en) 2004-02-03
US20030131417A1 (en) 2003-07-17

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