DE877951C - Process for welding objects made of thermoplastics - Google Patents

Process for welding objects made of thermoplastics

Info

Publication number
DE877951C
DE877951C DED10614D DED0010614D DE877951C DE 877951 C DE877951 C DE 877951C DE D10614 D DED10614 D DE D10614D DE D0010614 D DED0010614 D DE D0010614D DE 877951 C DE877951 C DE 877951C
Authority
DE
Germany
Prior art keywords
welding
edges
heat
thermoplastics
dissipating
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.)
Expired
Application number
DED10614D
Other languages
German (de)
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.)
Draegerwerk AG and Co KGaA
Original Assignee
Draegerwerk AG and Co KGaA
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
Application filed by Draegerwerk AG and Co KGaA filed Critical Draegerwerk AG and Co KGaA
Priority to DED10614D priority Critical patent/DE877951C/en
Application granted granted Critical
Publication of DE877951C publication Critical patent/DE877951C/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • B29C65/10—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using hot gases (e.g. combustion gases) or flames coming in contact with at least one of the parts to be joined
    • B29C65/106—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using hot gases (e.g. combustion gases) or flames coming in contact with at least one of the parts to be joined using flames coming in contact with at least one of the parts to be joined
    • 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
    • B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
    • B29C66/112—Single lapped joints
    • B29C66/1122—Single lap to lap joints, i.e. overlap joints
    • 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
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • B29C66/43—Joining a relatively small portion of the surface of said articles
    • 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
    • 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
    • B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
    • B29C66/836—Moving relative to and tangentially to the parts to be joined, e.g. transversely to the displacement of the parts to be joined, e.g. using a X-Y table

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Description

Die- Erfindung betrifft ein Verfahren zum Schweißen von Gegenständen aus thermoplastischen Kunststoffen, wie Superpolyamiden. Das'Schweißen aus diesen Kunststoffen bestehender Gegenstände bereitet dadurch große Schwierigkeiten, daß meist zuviel Material in der Umgebung der Schweißstellen schmilzt. Die Erfindung vermeidet diese Nachteile dadurch, daß die Gegenstände ganz oder in der Umgebung der Schweißstellen, wie Schweißnähte, bis auf diese selbst in Berührung mit wärmeableitenden Flächen, insbesondere Metallflächen, gebracht werden, worauf die Schweißung vorgenommen wird. Die Wärmeleiter schützen das in ihrer Nähe befindliche Material vor einer ungewollten Erhitzung. Die Größe der Wärmeleiter bestimmt sich nach der Wärmezufuhr und nach der Gestaltung der zu schweißenden Gegenstände. The invention relates to a method for welding objects made of thermoplastics such as super polyamides. That’s welding from these Plastics of existing objects causes great difficulties in that usually too much material melts in the vicinity of the welds. The invention avoids these disadvantages by having the objects wholly or in the vicinity of the welds, such as weld seams, except for these themselves in contact with heat dissipating Surfaces, in particular metal surfaces, are brought, whereupon the welding is carried out will. The heat conductors protect the material in their vicinity from a unwanted heating. The size of the heat conductor is determined by the supply of heat and according to the design of the objects to be welded.

Sollen flächenhafte Gebilde geschweißt werden, dann können diese bis auf die- Schweißkanten zwischen wärmeableitende Flächen gelegt werden. If flat structures are to be welded, then these can except for the welding edges are placed between heat-dissipating surfaces.

Die überstehenden Schweißkanten werden auf irgendeine an sich bekannte Art und Weise zum Schmelzen gebracht. Um eine ta,u:te Wärmeableitung zu erreichen, können dabei die wärmeableitenden Flächen gegeneinandergepreßt werden. The protruding welding edges are known per se Way melted. In order to achieve a perfect heat dissipation, the heat-dissipating surfaces can be pressed against each other.

Das - Zusammenschweißen von Bahnen kann vorteilhaft derart geschehen, daß die Bahnen bis auf die Schweißkanten über oder zwischen wärmeableitende Rotationskörper geführt werden, wobei die Schweißkanten erwärmt werden. -Unter Umständen genügt es hierbei, zwei miteinander zu verschweißende Bahnen übereinanderliegend z. B. über eine Metallwalze zu führen, derart, daß die Schweißkanten über die Metallwalze herausstehen. The - welding together of tracks can advantageously be done in such a way, that the tracks except for the welding edges over or between heat-dissipating rotational bodies are performed, whereby the welding edges are heated. - Sufficient under certain circumstances it here, two webs to be welded together lying on top of each other z. B. to lead over a metal roller, in such a way that the welding edges over the metal roller stick out.

Diese Kante wird mit Hilfe einer Wärmequelle zum Verschmelzen gebracht. Die Wärmeableitung durch eine einzige Metallwalze genügt um so eher, je dünner die Bahnen sind. Im Interesse eines guten Wärmeabflusses werden die Bahnen unter Spannung über die Walze geführt, damit sie sich der Walze fest anlegen. Eine noch bessere Wärmeableitung wird erhalten, wenn die Bahnen zwischen einem Druckwalzenpaar laufen. Der Zeitpunkt der Erwärmung und der Zeitpunkt der Ableitung der Wärme durch die Walzen müssen aufeinander abgestimmt sein. This edge is made to fuse with the help of a heat source. The heat dissipation through a single metal roller is more sufficient, the thinner it is Orbits are. In the interests of good heat dissipation, the tracks are under tension guided over the roller so that they are firmly attached to the roller. An even better one Heat dissipation is obtained when the webs run between a pair of pressure rollers. The time of heating and the time of dissipation of heat through the Rollers must be coordinated with one another.

In der Zeichnung sind zwei Ausführungsformen des erfindungsgemäßen Verfahrens in Abb. I und 2 schaubildlich dargestellt. In the drawing are two embodiments of the invention Procedure shown in Fig. I and 2 graphically.

Bei der Ausführungsform der Abb. I handelt es sich darum, die Kanten I der Kunststoffolien 2 zu verschweißen Die Folien werden derart aufeinandergelegt, daß die Kanten miteinander abstoßen, und daraufhin zwischen Metallplatten 3 gepreßt, so daß die Kanten I einige Milimeter über den Rand der Metallplatten 3 herausstehen. Hierauf werden die Kanten I, wie an sich bekannt, mit der kleinen Flamme eines Brenners 4 zusammengeschmolzen. The embodiment of Fig. I is about the edges I of the plastic foils 2 to be welded The foils are placed on top of one another in such a way that that the edges repel each other, and then pressed between metal plates 3, so that the edges I protrude a few millimeters over the edge of the metal plates 3. The edges I are then, as is known per se, with the small flame of a burner 4 melted together.

Die Metallplatten 3 verhindern, daß übermäßig viel Material abgeschmolzen wird.The metal plates 3 prevent excessive material from being melted off will.

Bei der Ausführungsform der Abb. 2 werden zwei Bahnen von Kunststoffolien, die an ihren Kanten I verschweißt werden sollen, zwischen dem Druckwalzenpaar 5 hindurchgeführt, wobei die Kanten I wenige Millimeter über den Rand der Metallwalze 5 herausragen. Die Kanten werden mit Hilfe'eines Brenners 4 verschmolzen. In the embodiment of Fig. 2, two lengths of plastic film, which are to be welded at their edges I, between the pair of pressure rollers 5 passed through, with the edges I a few millimeters over the edge of the metal roller 5 protrude. The edges are fused with the aid of a burner 4.

Claims (3)

PATENTANSPRÜCHE: I, Verfahren zum Schweißen von Gegenständen aus thermoplastischen Kunststoffen, wie Superpolyamiden, dadurch gekennzeichnet, daß die Gegenstände ganz oder in der Umgebung der Schweißstellen, wie Schweißnähte, bis auf diese selbst in Berührung mit wärmeableitenden Flächen, insbesondere Metallflächen, gebracht und die Schweißstellen erwärmt werden. PATENT CLAIMS: I, Method of welding objects from thermoplastics, such as super polyamides, characterized in that the objects in their entirety or in the vicinity of the welds, such as weld seams, except for these themselves in contact with heat-dissipating surfaces, especially metal surfaces, brought and the welds are heated. 2. Verfahren zum Schweißen von flächenhaften Gebilden nach Anspruch I, dadurch gekennzeichnet, daß die Flächen (2) bis auf die Schweißkanten (I) zwischen wärmeableitenden Flächen (3) gelegt werden. 2. A method for welding planar structures according to claim I, characterized in that the surfaces (2) up to the welding edges (I) between heat-dissipating surfaces (3) are placed. 3. Verfahren zum Schweißen von Bahnen nach Anspruch I, dadurch gekennzeichnet, - daß die Bahnen bis auf die Schweißkanten (I) über oder zwischen wärmeableitenden Rotationskörpern (5) geführt werden, wobei die Schweißkanten (I) erwärmt werden. 3. A method for welding webs according to claim I, characterized in that - That the tracks except for the welding edges (I) above or between heat dissipating Rotary bodies (5) are guided, the weld edges (I) being heated.
DED10614D 1945-02-13 1945-02-13 Process for welding objects made of thermoplastics Expired DE877951C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DED10614D DE877951C (en) 1945-02-13 1945-02-13 Process for welding objects made of thermoplastics

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DED10614D DE877951C (en) 1945-02-13 1945-02-13 Process for welding objects made of thermoplastics

Publications (1)

Publication Number Publication Date
DE877951C true DE877951C (en) 1953-05-28

Family

ID=7033383

Family Applications (1)

Application Number Title Priority Date Filing Date
DED10614D Expired DE877951C (en) 1945-02-13 1945-02-13 Process for welding objects made of thermoplastics

Country Status (1)

Country Link
DE (1) DE877951C (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1211378B (en) * 1962-11-24 1966-02-24 Windmoeller & Hoelscher Device for making bags from thermoplastic material
DE1241969B (en) * 1958-07-19 1967-06-08 Hermann Feldkamp Method and device for welding the ends of solid extruded material made of thermoplastic material
EP0644039A2 (en) * 1993-09-20 1995-03-22 Automated Label Systems Company Method and apparatus for converting plastic

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1241969B (en) * 1958-07-19 1967-06-08 Hermann Feldkamp Method and device for welding the ends of solid extruded material made of thermoplastic material
DE1211378B (en) * 1962-11-24 1966-02-24 Windmoeller & Hoelscher Device for making bags from thermoplastic material
EP0644039A2 (en) * 1993-09-20 1995-03-22 Automated Label Systems Company Method and apparatus for converting plastic
EP0644039A3 (en) * 1993-09-20 1995-05-03 Automated Label Syst Co Method and apparatus for converting plastic.
AU683910B2 (en) * 1993-09-20 1997-11-27 Illinois Tool Works Inc. Method and apparatus for converting plastic

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