DE19628916A1 - Sleeve for connecting pipe parts - Google Patents
Sleeve for connecting pipe partsInfo
- Publication number
- DE19628916A1 DE19628916A1 DE19628916A DE19628916A DE19628916A1 DE 19628916 A1 DE19628916 A1 DE 19628916A1 DE 19628916 A DE19628916 A DE 19628916A DE 19628916 A DE19628916 A DE 19628916A DE 19628916 A1 DE19628916 A1 DE 19628916A1
- Authority
- DE
- Germany
- Prior art keywords
- sleeve
- sleeve body
- parts
- web
- pipe parts
- 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.)
- Withdrawn
Links
- 239000004020 conductor Substances 0.000 claims abstract description 12
- 238000002844 melting Methods 0.000 claims abstract description 11
- 230000008018 melting Effects 0.000 claims abstract description 11
- 238000003466 welding Methods 0.000 claims abstract description 10
- 238000010438 heat treatment Methods 0.000 claims description 13
- 229920001169 thermoplastic Polymers 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 4
- 239000004416 thermosoftening plastic Substances 0.000 claims description 4
- 238000004804 winding Methods 0.000 claims description 3
- 230000020169 heat generation Effects 0.000 claims description 2
- 239000000155 melt Substances 0.000 claims description 2
- 239000012815 thermoplastic material Substances 0.000 abstract description 3
- 239000011324 bead Substances 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000002033 PVDF binder Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000010309 melting process Methods 0.000 description 1
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L47/00—Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics
- F16L47/02—Welded joints; Adhesive joints
- F16L47/03—Welded joints with an electrical resistance incorporated in the joint
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/34—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement"
- B29C65/3404—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" characterised by the type of heated elements which remain in the joint
- B29C65/342—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" characterised by the type of heated elements which remain in the joint comprising at least a single wire, e.g. in the form of a winding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/34—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement"
- B29C65/3472—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" characterised by the composition of the heated elements which remain in the joint
- B29C65/3476—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" characterised by the composition of the heated elements which remain in the joint being metallic
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/05—Particular design of joint configurations
- B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
- B29C66/12—Joint cross-sections combining only two joint-segments; Tongue and groove joints; Tenon and mortise joints; Stepped joint cross-sections
- B29C66/122—Joint cross-sections combining only two joint-segments, i.e. one of the parts to be joined comprising only two joint-segments in the joint cross-section
- B29C66/1222—Joint cross-sections combining only two joint-segments, i.e. one of the parts to be joined comprising only two joint-segments in the joint cross-section comprising at least a lapped joint-segment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/05—Particular design of joint configurations
- B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
- B29C66/12—Joint cross-sections combining only two joint-segments; Tongue and groove joints; Tenon and mortise joints; Stepped joint cross-sections
- B29C66/122—Joint cross-sections combining only two joint-segments, i.e. one of the parts to be joined comprising only two joint-segments in the joint cross-section
- B29C66/1224—Joint cross-sections combining only two joint-segments, i.e. one of the parts to be joined comprising only two joint-segments in the joint cross-section comprising at least a butt joint-segment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
- B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
- B29C66/52—Joining tubular articles, bars or profiled elements
- B29C66/522—Joining tubular articles
- B29C66/5221—Joining tubular articles for forming coaxial connections, i.e. the tubular articles to be joined forming a zero angle relative to each other
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
- B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
- B29C66/52—Joining tubular articles, bars or profiled elements
- B29C66/522—Joining tubular articles
- B29C66/5229—Joining tubular articles involving the use of a socket
- B29C66/52291—Joining tubular articles involving the use of a socket said socket comprising a stop
- B29C66/52292—Joining tubular articles involving the use of a socket said socket comprising a stop said stop being internal
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
- B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
- B29C66/52—Joining tubular articles, bars or profiled elements
- B29C66/522—Joining tubular articles
- B29C66/5229—Joining tubular articles involving the use of a socket
- B29C66/52291—Joining tubular articles involving the use of a socket said socket comprising a stop
- B29C66/52294—Joining tubular articles involving the use of a socket said socket comprising a stop said stop being heated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
- B29C66/63—Internally supporting the article during joining
- B29C66/634—Internally supporting the article during joining using an inflatable core
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
- B29C66/73—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
- B29C66/739—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset
- B29C66/7392—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic
- B29C66/73921—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic characterised by the materials of both parts being thermoplastics
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/80—General aspects of machine operations or constructions and parts thereof
- B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
- B29C66/814—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps
- B29C66/8145—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the constructional aspects of the pressing elements, e.g. of the welding jaws or clamps
- B29C66/81455—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the constructional aspects of the pressing elements, e.g. of the welding jaws or clamps being a fluid inflatable bag or bladder, a diaphragm or a vacuum bag for applying isostatic pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/90—Measuring or controlling the joining process
- B29C66/97—Checking completion of joining or correct joining by using indications on at least one of the joined parts
- B29C66/972—Checking completion of joining or correct joining by using indications on at least one of the joined parts by extrusion of molten material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/34—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement"
- B29C65/3468—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated elements which remain in the joint, e.g. "verlorenes Schweisselement" characterised by the means for supplying heat to said heated elements which remain in the join, e.g. special electrical connectors of windings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
- B29C66/71—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the composition of the plastics material of the parts to be joined
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
- Branch Pipes, Bends, And The Like (AREA)
Abstract
Description
Die Erfindung betrifft eine Muffe mit einem hülsenförmigen Muf fenkörper aus Kunststoff, insbesondere thermoplastischem Material zum Verbinden von Rohrleitungsteilen aus thermoplastischem Kunststoff, mit einem nahe der Innenwand des Muffenkörpers im Muffenkörper eingebetteten Heizleiter, wobei jeweils zwei miteinander zu verbindende Rohrleitungsteile mit gegeneinander gerichteten Stirnflächen in den Muffenkörper einschiebbar und der Muffenkörper sowie die von ihm übergriffenen Enden der Rohrleitungsteile nach teilweisem Aufschmelzen durch Wärmeerzeugung im Heizleiter miteinander verschweißbar sind.The invention relates to a sleeve with a sleeve-shaped sleeve body made of plastic, in particular thermoplastic material for connecting pipeline parts made of thermoplastic Plastic, with a near the inner wall of the sleeve body in the Sleeve body embedded heating conductor, two each pipeline parts to be connected with each other facing end faces can be inserted into the socket body and the Sleeve body and the ends of the Pipe parts after partial melting Heat generation in the heat conductor can be welded together.
Zum Verbinden von Rohrleitungsteilen aus thermoplastischen Werk stoffen sind sogenannte Elektro-Schweißmuffen der vorstehend erwähnten Art bekannt. Zum teilweisen Aufschmelzen und Verschweißen der zu verbindenden Teile ist im Bereich der Innenwand des hülsenförmigen Muffenkörpers üblicherweise ein elektrischer Widerstandsheizdraht in Form einer Wicklung angeordnet, in wel chem durch Zufuhr von elektrischer Energie eine dosierte, zum Verbinden der Teile ausreichende Wärmemenge erzeugt wird.For connecting pipe parts from a thermoplastic plant so-called electric welding sleeves of the above are substances known type known. For partial melting and welding the parts to be connected is in the area of the inner wall the sleeve-shaped sleeve body is usually an electrical one Resistance heating wire arranged in the form of a winding, in wel chem dosed by supplying electrical energy to Connecting the parts sufficient amount of heat is generated.
Insbesondere bei dickwandigen Teilen und bei großen Dimensionen kann mit den bekannten Muffen ein gleichmäßiges Aufschmelzen und gesichertes Verschweißen im Bereich der Stirnseiten der zu verbindenden Rohrleitungsteile kaum erreicht werden.Especially for thick-walled parts and large dimensions can with the known sleeves a uniform melting and secure welding in the area of the front of the connecting pipe parts can hardly be reached.
Angesichts dieser Gegebenheiten hat sich der Erfinder die Aufgabe gestellt, eine Muffe der eingangs erwähnten Art zu schaffen, mit welcher auch dickwandige Rohrleitungsteile im Bereich ihrer Stirnflächen einwandfrei verschweißt werden können.In view of these circumstances, the inventor has the task asked to create a sleeve of the type mentioned at the beginning with which also thick-walled pipe parts in the area of their End faces can be welded perfectly.
Zur erfindungsgemäßen Lösung der Aufgabe führt, daß von der Innenwand des Muffenkörpers ein ringförmiger Steg als Anschlag und zusätzliche Schweißstelle für die Stirnflächen der Rohrlei tungsteile abragt und der Heizleiter sich auch in den Steg er streckt.To achieve the object of the invention leads that Inner wall of the sleeve body an annular web as a stop and additional welding point for the end faces of the Rohrlei protruding parts and the heating element is also in the web stretches.
Unter Rohrleitungsteilen werden hier alle im Rohrleitungsbau verwendeten Elemente wie Rohrstücke, Formstücke, Ventile und andere Werkstücke verstanden, die zylinderförmige, durch eine Muffe verbindbare Enden aufweisen. Der Muffenkörper und die mit diesem zu verbindenden Rohrleitungsteile sind aus dem gleichen oder einem ähnlichen bzw. verwandten thermoplastischen Kunststoff gefertigt. Geeignete Werkstoffe sind u. a. PVDF, PFA, PPS, PE, PB, PP, FEP, PVC und ABS.Pipeline parts are all here in pipeline construction used elements such as pipe pieces, fittings, valves and understood other workpieces, the cylindrical, by a Socket have connectable ends. The sleeve body and the with this pipe parts to be connected are from the same or a similar or related thermoplastic manufactured. Suitable materials include a. PVDF, PFA, PPS, PE, PB, PP, FEP, PVC and ABS.
Der Heizleiter kann als Widerstandsheizdraht aus beispielsweise Kupfer, Edelstahl, Silber oder auch aus elektrisch leitendem Kunststoff bestehen und wird bevorzugt in Form von Windungen bzw. einer Wicklung eingesetzt.The heating conductor can, for example, be a resistance heating wire Copper, stainless steel, silver or even from electrically conductive Plastic exist and is preferably in the form of turns or a winding used.
Die erfindungsgemäße Muffe ermöglicht einen direkten Wärmeüber gang in die Stirnflächen der Rohrleitungsteile und durch Auf schmelzen des Steges sowie der angrenzenden Rohrenden ergibt sich eine optimale Verschweißung dieser Partien.The sleeve according to the invention enables direct heat transfer in the end faces of the pipeline parts and by opening melting of the web and the adjacent pipe ends results an optimal welding of these parts.
Bei einer bevorzugten Ausführungsform der erfindungsgemäßen Muffe entspricht die Höhe des Steges der Wandstärke der Rohrlei tungsteile, d. h. die Innenflächen der Rohrleitungsteile fluchten mit der Innenfläche des Steges.In a preferred embodiment of the invention The socket height corresponds to the wall thickness of the pipe parts, d. H. the inner surfaces of the pipe parts are aligned with the inner surface of the web.
Als Schmelzanzeiger können im Muffenkörper radial nach innen gerichtete, in den Bereich der Innenwand und in den Steg geführte Ausnehmungen, z. B. Bohrungen, angeordnet sein.As a melt indicator, radially inwards in the sleeve body directed into the area of the inner wall and into the web Recesses, e.g. B. holes can be arranged.
Zum Verbinden von Rohrleitungsteilen mit einer Muffe werden jeweils zwei Rohrleitungsteile mit gegeneinander gerichteten Stirnflächen bis zum Anschlag mit dem ringförmigen Steg in den Muffenkörper eingeschoben und der Muffenkörper sowie die von ihm übergriffenen Enden der Rohrleitungsteile durch Energiezufuhr in den Heizleiter teilweise aufgeschmolzen und miteinander verschweißt.For connecting pipe parts with a socket two pipe sections with each other facing each other End faces up to the stop with the annular web in the Inserted sleeve body and the sleeve body and that of him overlapped ends of the pipeline parts by supplying energy in partially melted the heat conductor and welded it together.
Eine wulst- und nutfreie innere Oberfläche an der Verbindungs stelle der Rohrleitungsteile kann dadurch erreicht werden, daß im Bereich des Muffenkörpers eine Blase in die Rohrleitungsteile eingeschoben und während des Aufschmelz- und Verschweißvorgangs durch Druckluftbeaufschlagung an die Innenflächen der Rohrlei tungsteile und des Steges angelegt wird.A bead and groove-free inner surface on the connection place of the pipeline parts can be achieved in that a bubble in the pipe parts in the area of the socket body inserted and during the melting and welding process by applying compressed air to the inner surfaces of the pipe parts and the web is created.
Weitere Vorteile, Merkmale und Einzelheiten der Erfindung ergeben sich aus der nachfolgenden Beschreibung eines bevorzugten Ausfüh rungsbeispiels sowie anhand der Zeichnung; diese zeigt in ihrer einzigen Figur schematisch einen Längsschnitt durch eine Muffe mit zwei eingeschobenen Rohrleitungsteilen.Further advantages, features and details of the invention result from the following description of a preferred embodiment example and based on the drawing; this shows in her single figure schematically shows a longitudinal section through a sleeve with two inserted pipe parts.
Eine Muffe 10 weist einen Muffenkörper 12 aus einem thermoplasti schen Kunststoff auf, von dessen Innenwand 14 mittig ein ringför miger Steg 16 abragt.A sleeve 10 has a sleeve body 12 made of a thermoplastic plastic, from the inner wall 14 of which a ring-shaped web 16 projects in the middle.
Im Muffenkörper 12 ist nahe der Innenwand 14 und im ringförmigen Steg 16 ein Widerstandsheizdraht 18 in Form von Windungen einge bettet. Der Heizdraht 18 ist mit Anschlußstiften 20 versehen, die aus dem Muffenkörper 12 herausragen und zur Energiezufuhr an eine elektrische Stromquelle angeschlossen werden können. Zur visuellen Überprüfung des Schmelzvorganges sind im Muffenkörper 12 radial nach innen gerichtete und in den Anschmelzbereich geführte Bohrungen als Schmelzanzeiger angeordnet.In the sleeve body 12 near the inner wall 14 and in the annular web 16, a resistance heating wire 18 in the form of turns is embedded. The heating wire 18 is provided with connecting pins 20 which protrude from the sleeve body 12 and can be connected to an electrical power source for the supply of energy. For visual inspection of the melting process are arranged in the socket body 12 radially inwardly directed and guided in the melting range as the melting bores indicator.
Zwei miteinander zu verbindende Rohrleitungsteile 24 sind bis zum Anschlag mit dem ringförmigen Steg 16 in den Muffenkörper 12 eingeschoben. Die Höhe h des ringförmigen Steges 16 entspricht der Wandstärke d der Rohrleitungsteile 24, so daß deren Innenflä chen mit der Innenfläche 17 des Steges 16 fluchten.Two pipe parts 24 to be connected to one another are pushed as far as possible with the annular web 16 into the sleeve body 12 . The height h of the annular web 16 corresponds to the wall thickness d of the pipeline parts 24 , so that their Innenflä surfaces are aligned with the inner surface 17 of the web 16 .
Im Innern der zu verbindenden Rohrteile 24 ist im Bereich des Muffenkörpers 12 eine mit Druckluft beaufschlagbare Blase 28 aus einem elastischen Material angedeutet. Diese liegt im druckbeauf schlagten Zustand der Innenfläche der beiden Rohrleitungsteile 24 und der Innenfläche 17 des Steges 16 stützend an. Mit dieser Maßnahme wird verhindert, daß sich im Stoßbereich der Stirn flächen 26 und des ringförmigen Steges 16 Wulste oder Nuten ausbilden können. Nach erfolgter Erstarrung im Schmelzbereich wird die Blase 28 druckentlastet und aus dem System entfernt.In the interior of the pipe parts 24 to be connected , in the area of the socket body 12, a bladder 28 made of an elastic material can be pressurized with compressed air. This is in the pressurized state of the inner surface of the two pipe parts 24 and the inner surface 17 of the web 16 for support. This measure prevents that in the joint area of the end faces 26 and the annular web 16 beads or grooves can form. After solidification in the melting range, the bladder 28 is relieved of pressure and removed from the system.
Claims (7)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH289495 | 1995-10-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE19628916A1 true DE19628916A1 (en) | 1997-04-17 |
Family
ID=4243993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19628916A Withdrawn DE19628916A1 (en) | 1995-10-12 | 1996-07-18 | Sleeve for connecting pipe parts |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE19628916A1 (en) |
| WO (1) | WO1997013996A1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19812362A1 (en) * | 1998-03-20 | 1999-09-30 | Isoplus Vertriebsgesellschaft | Thermocouple, process for connecting plastic pipe ends using the thermocouple and electrofusion socket to carry out the process |
| FR2853861A1 (en) * | 2003-04-15 | 2004-10-22 | Volkswagen Ag | FUEL TANK SYSTEM AND METHOD FOR MANUFACTURING FUEL TANK SYSTEM |
| WO2009033603A1 (en) * | 2007-09-07 | 2009-03-19 | Egeplast Werner Strumann Gmbh & Co. Kg | Method for welding plastic pipes together |
| ITMI20102085A1 (en) * | 2010-11-10 | 2012-05-11 | Coes Spa | "ELECTRIC GASKET FOR WELDED JOINTS OF EXHAUST PIPES" |
| EP3434454A1 (en) | 2017-07-26 | 2019-01-30 | Georg Fischer Wavin AG | Elastic electrowelding joint |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI886150B (en) * | 2019-09-30 | 2025-06-11 | 日商積水化學工業股份有限公司 | Electric fusion joint and connection method |
| KR102676826B1 (en) * | 2020-01-24 | 2024-06-20 | 세키스이가가쿠 고교가부시키가이샤 | Electric fusion joints and fusion methods |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH632078A5 (en) * | 1978-09-12 | 1982-09-15 | Von Roll Ag | Collar for connecting line elements |
| DE9107311U1 (en) * | 1990-07-02 | 1991-08-14 | Geberit Ag, Jona, St.Gallen | Welding sleeve |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH630162A5 (en) * | 1978-05-02 | 1982-05-28 | Werner Sturm | ELECTRIC WELDING SLEEVE MADE OF THERMOPLASTIC MATERIAL. |
| DE3808228A1 (en) * | 1988-03-11 | 1989-09-21 | Vdp Versuchsanstalt Fuer Daten | Sleeve for welding plastic pipes and profiles |
| DE4444097C2 (en) * | 1994-12-10 | 1997-02-27 | Unicor Rohrsysteme Gmbh | Device for connecting at least two plastic-metal composite pipes by welding |
-
1996
- 1996-07-18 DE DE19628916A patent/DE19628916A1/en not_active Withdrawn
- 1996-10-09 WO PCT/IB1996/001069 patent/WO1997013996A1/en not_active Ceased
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH632078A5 (en) * | 1978-09-12 | 1982-09-15 | Von Roll Ag | Collar for connecting line elements |
| DE9107311U1 (en) * | 1990-07-02 | 1991-08-14 | Geberit Ag, Jona, St.Gallen | Welding sleeve |
Non-Patent Citations (1)
| Title |
|---|
| JP 5-87286, Abstr. veröffentlicht in Pat. Abstr. of Japan, 06.08.93, Bd.17/Nr.423 * |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19812362A1 (en) * | 1998-03-20 | 1999-09-30 | Isoplus Vertriebsgesellschaft | Thermocouple, process for connecting plastic pipe ends using the thermocouple and electrofusion socket to carry out the process |
| DE19812362C2 (en) * | 1998-03-20 | 2001-10-04 | Isoplus Vertriebsgmbh | Heating conductor, method for connecting plastic pipe ends using the heating conductor and electrofusion socket for carrying out the method |
| FR2853861A1 (en) * | 2003-04-15 | 2004-10-22 | Volkswagen Ag | FUEL TANK SYSTEM AND METHOD FOR MANUFACTURING FUEL TANK SYSTEM |
| DE10317407B4 (en) * | 2003-04-15 | 2016-03-17 | Volkswagen Ag | Method for producing a fuel tank system |
| WO2009033603A1 (en) * | 2007-09-07 | 2009-03-19 | Egeplast Werner Strumann Gmbh & Co. Kg | Method for welding plastic pipes together |
| ITMI20102085A1 (en) * | 2010-11-10 | 2012-05-11 | Coes Spa | "ELECTRIC GASKET FOR WELDED JOINTS OF EXHAUST PIPES" |
| EP3434454A1 (en) | 2017-07-26 | 2019-01-30 | Georg Fischer Wavin AG | Elastic electrowelding joint |
Also Published As
| Publication number | Publication date |
|---|---|
| WO1997013996A1 (en) | 1997-04-17 |
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| OP8 | Request for examination as to paragraph 44 patent law | ||
| 8130 | Withdrawal |