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DE1454937A1 - Vorrichtung zum Verschweissen von einteiligen,mehrlagigen und/oder kaschierten Flaechengebilden,Rohren od.dgl. aus thermoplastischen Kunststoffen - Google Patents

Vorrichtung zum Verschweissen von einteiligen,mehrlagigen und/oder kaschierten Flaechengebilden,Rohren od.dgl. aus thermoplastischen Kunststoffen

Info

Publication number
DE1454937A1
DE1454937A1 DE19651454937 DE1454937A DE1454937A1 DE 1454937 A1 DE1454937 A1 DE 1454937A1 DE 19651454937 DE19651454937 DE 19651454937 DE 1454937 A DE1454937 A DE 1454937A DE 1454937 A1 DE1454937 A1 DE 1454937A1
Authority
DE
Germany
Prior art keywords
welding
pressure roller
sword
piece
block
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.)
Pending
Application number
DE19651454937
Other languages
English (en)
Inventor
Wilhelm Anger
Hans Angermann
Zoltan Doboczky
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.)
ANGER PLASTIC MASCHINEN GmbH
Original Assignee
ANGER PLASTIC MASCHINEN GmbH
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 ANGER PLASTIC MASCHINEN GmbH filed Critical ANGER PLASTIC MASCHINEN GmbH
Publication of DE1454937A1 publication Critical patent/DE1454937A1/de
Pending 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
    • 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
    • B29C66/816—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 mounting of the pressing elements, e.g. of the welding jaws or clamps
    • B29C66/8161—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 mounting of the pressing elements, e.g. of the welding jaws or clamps said pressing elements being supported or backed-up by springs or by resilient 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
    • B29C65/10—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
    • B29C65/12—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 and welding bar
    • 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
    • B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
    • B29C65/20—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools with direct contact, e.g. using "mirror"
    • 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
    • B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
    • B29C65/4805—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the type of adhesives
    • B29C65/481—Non-reactive adhesives, e.g. physically hardening adhesives
    • B29C65/4815—Hot melt adhesives, e.g. thermoplastic adhesives
    • 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
    • B29C66/02—Preparation of the material, in the area to be joined, prior to joining or welding
    • B29C66/022—Mechanical pre-treatments, e.g. reshaping
    • B29C66/0222—Mechanical pre-treatments, e.g. reshaping without removal of material, e.g. cleaning by air blowing or using brushes
    • 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
    • B29C66/02—Preparation of the material, in the area to be joined, prior to joining or welding
    • B29C66/024—Thermal pre-treatments
    • B29C66/0242—Heating, or preheating, e.g. drying
    • 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
    • B29C66/03—After-treatments in the joint area
    • B29C66/032—Mechanical after-treatments
    • B29C66/0324—Reforming or reshaping the joint, e.g. folding over
    • B29C66/03241—Flattening
    • 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
    • B29C66/114—Single butt joints
    • B29C66/1142—Single butt to butt 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
    • B29C66/01—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
    • B29C66/14—Particular design of joint configurations particular design of the joint cross-sections the joint having the same thickness as the thickness 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
    • B29C66/32—Measures for keeping the burr form under control; Avoiding burr formation; Shaping the burr
    • B29C66/326—Shaping the burr, e.g. by the joining tool
    • 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
    • B29C66/50—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
    • B29C66/70—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
    • B29C66/8141—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 surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined
    • B29C66/81411—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 surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined characterised by its cross-section, e.g. transversal or longitudinal, being non-flat
    • B29C66/81421—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 surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined characterised by its cross-section, e.g. transversal or longitudinal, being non-flat being convex or concave
    • B29C66/81423—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 surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined characterised by its cross-section, e.g. transversal or longitudinal, being non-flat being convex or concave being concave
    • 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
    • B29C66/8141—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 surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined
    • B29C66/81427—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 surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined comprising a single ridge, e.g. for making a weakening line; comprising a single tooth
    • 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
    • B29C66/8362—Rollers, cylinders or drums moving relative to and tangentially to 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
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/84—Specific machine types or machines suitable for specific applications
    • B29C66/865—Independently movable welding apparatus, e.g. on wheels
    • B29C66/8652—Independently movable welding apparatus, e.g. on wheels being pushed by hand or being self-propelling
    • B29C66/86531—Independently movable welding apparatus, e.g. on wheels being pushed by hand or being self-propelling being guided
    • B29C66/86535—Independently movable welding apparatus, e.g. on wheels being pushed by hand or being self-propelling being guided by the edge of one of the parts to be joined or by a groove between the parts to be joined, e.g. using a roller
    • 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
    • B29C66/116—Single bevelled joints, i.e. one of the parts to be joined being bevelled in the joint area
    • B29C66/1162—Single bevel to bevel joints, e.g. mitre 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
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/32—Measures for keeping the burr form under control; Avoiding burr formation; Shaping the burr
    • B29C66/326—Shaping the burr, e.g. by the joining tool
    • B29C66/3262—Shaping the burr, e.g. by the joining tool as after-treatment, e.g. by a separate tool
    • 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
    • B29C66/72—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 structure of the material of the parts to be joined
    • B29C66/723—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 structure of the material of the parts to be joined being multi-layered
    • 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
    • B29C66/8141—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 surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined
    • B29C66/81411—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 surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined characterised by its cross-section, e.g. transversal or longitudinal, being non-flat
    • B29C66/81415—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 surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined characterised by its cross-section, e.g. transversal or longitudinal, being non-flat being bevelled
    • B29C66/81417—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 surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined characterised by its cross-section, e.g. transversal or longitudinal, being non-flat being bevelled being V-shaped
    • 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
    • B29C66/8141—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 surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined
    • B29C66/81411—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 surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined characterised by its cross-section, e.g. transversal or longitudinal, being non-flat
    • B29C66/81421—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 surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined characterised by its cross-section, e.g. transversal or longitudinal, being non-flat being convex or concave
    • B29C66/81422—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 surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined characterised by its cross-section, e.g. transversal or longitudinal, being non-flat being convex or concave being convex
    • 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
    • B29C66/82—Pressure application arrangements, e.g. transmission or actuating mechanisms for joining tools or clamps
    • B29C66/822—Transmission mechanisms
    • B29C66/8223—Worm or spindle mechanisms
    • 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
    • B29C66/84—Specific machine types or machines suitable for specific applications
    • B29C66/865—Independently movable welding apparatus, e.g. on wheels
    • B29C66/8652—Independently movable welding apparatus, e.g. on wheels being pushed by hand or being self-propelling
    • 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
    • B29C66/84—Specific machine types or machines suitable for specific applications
    • B29C66/865—Independently movable welding apparatus, e.g. on wheels
    • B29C66/8652—Independently movable welding apparatus, e.g. on wheels being pushed by hand or being self-propelling
    • B29C66/86521—Independently movable welding apparatus, e.g. on wheels being pushed by hand or being self-propelling being self-propelling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2023/00—Tubular articles
    • B29L2023/22—Tubes or pipes, i.e. rigid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
    • B29L2031/3005—Body finishings
    • B29L2031/3017—Floor coverings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/732—Floor coverings

Landscapes

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

Description

  • "Vorrichtung zum Verschweißen von einteiligen, mehrlagigen und/oder kaschierten Flächengebilden, Rohren o.dgl. aus thermoplastischen Kunststoffen1, Die Erfindung bezieht sich auf eine Vorrichtung zum Verschweißen von thermoplastischen Kunststoff-Fläohengebilden längs ihren Stoßfugen.
  • In der Hauptsache sind zwei Schweißmethoden in der einschlägigen Technik gebräuchlich, und zwar das Erwärmen nach dem Heißluftverfahren und nach dem Lötkolbenprinzip. Beim Heißluftverfahren trifft der Luftstrom, der elektrisch oder durch eine Flamme direkt oder indirekt erhitzt wird, auf die, z. B. durch Fräsen o.dgl., vorbereitete Naht und erhitzt den Schweißdraht direkt oder indirekt. Hierbei wirkt sich nachteilig aus, daß die Heißluft nach ihrer Menge, Geschwindígteit, Temperatur und Kontaktzeit mit dem Schweißdraht sowie dem zu verschweißenden Werkstoff entweder überhaupt nicht oder nur in stark streuenden Bereichen reguliert werden kann. So ist es z.B. schwierig, die Schweißkanten der Werkstoff-Flächengebilde und den Schweißdraht gleichzeitig auf die günstigste Schweißtemperatur zu bringen.
  • Jegliche Temperaturdifferenz wirkt sich auf die Schweißgeschwindigkeit nachteilig aus, weil die Schweißvorrichtung in aller Regel zur Erzielung optimaler Ergebnisse so ausgelegt ist, daß sie mit einer einzigen bestimmten Geschwindigkeit gefahren werden muß. Eine Änderung der Schweißgeschwindigkeit hat eine Beeinträchtigung der Schweißnaht und eine Schädigung der Oberfläche des Sohweißgutes zur Folge.
  • Für das Verschweißen nach dem Lötkolbenprinzip ist es bekannt, den Schweißkolben elektrisch zu beheizen und die Heizung aus rein technischen Gründen in Stufen, z. B. von 400 - 600 - 1000 Watt, grob zu regulieren. Der erhitzte, meist schneidenartig ausgebildete Schweißkolben schmilzt eine V-Nut oder Hohlkehle längs der Stoßfuge und macht ein spanabhebendes Vorbereiten der Werkstoffkanten überflüssig.
  • Als Stand der Technik zum Verschweißen ist auch schon ein kombiniertes Schweißwerkzeug aus einer lotrechten Heizlamelle und einem waagrechten beheizten Verstreichschuh in Vorschlag gebracht worden.
  • Das Zusatzmaterial wird bei diesem Werkzeug vorverflüsæigt und in einen vorbereiteten Spalt eingebracht Als Nachteil hat sich bei diesem Aggregat die fehlende Regulierung der Aufheizung des Zusatzdrahtes von ### der Heizlamello ergeben.
  • Ferner haben die Lamelle und der Streichschuh die gleiche Temperatur; hierdurch neigt der Schuh zum Ankleben. Der BehelS der Anwendung von nertem Gas vermag Zersetzungserscheinungen, z. B. bei Polyvinylchlorid,infolge zu langer Verweilzeit, nicht zu verhindern.
  • Der Erfindung liegt nun die Aufgabe zugrunde, eine von Hand oder mechanisch bewegbare Schweißvorrichtung zu schaffen, mit der ein Verscliweißen von Kunststoff-Flächengebilden, Rohren @.dgl. bei einwandfreier Qualität der Schweißnaht gewährleistet ist. Gelöst wird diese Aufgabe gemäß der Erfindung in der Weise, daß, ausgehend von dem üblichen Verschweißen von Kunststorfen, bei den ein thermisch erweichter Kunststoff-Schweißdraht in die Schweißnaht gepreßt wird, an einem von Hand oder maschinell bewegten, beheizbaren Schweißblock aus wärmeleitendem Werkstoff, wie z.B. Kupfer, eine den Schweißdraht erfassende und ihn in die Schweißnaht pressende Andrückrolle gehaltert und ein profiliertes Schweißschwert an der Basisfläche des Sohweißblocks vorgesehen ist. Es hat sich als vorteilhaft erwiesen, die Andrückrolle auf ihrem Umfang als gerändelte Hohlkehle auszubilden. In Abhängigkeit von den örtlichen Gegebenheiten ist es ferner zweckmässig, die Andrückrolle verschiebbar zu lagern und ihren Anpreßdruck durch eine Feder einstellbar zu gestalten.
  • Erfindungsgemäß ist das Schweißschwert an dem beheizbaren Sohweißblock auf seiner ganzen Länge in bestimmter Weise profiliert und zwar stetig verbreitert, derart, daß sich z. B. der Steg des Schwertes von Do° auf 9o° bzw. Halbkreisform erweitert.
  • Für das Verschweißen von kaschierten Flächengebilden ist es zweckdienlich, einen am Schweißblock drehbar angeordneten Vorlaufschuh vorzusehen, der an seiner Spitze pflugscharartig ausgebildet ist und an seiner Gleitsohle z.B. eine Roll çchneide o.dgl. als Führungselement für den Schweißblock aufnimmt.
  • Praktische Versuche haben ergeben, daß es von besonderer Bedeutung sein kann, alle gleitenden und/oder beweglichen Einzelglieder der Schweißvorrichtung, wie z.B. die Andrückrolle, den Vorlaufschuh etc., mit Polytetrafluoräthylen zu überziehen oder zu verchromen.
  • In der Zeichnung ist ein Ausführungsbeispiel der Schweißvorrichtung gemäß der Erfindung dargestellt und zwar zeigt: Fig. 1 - die SchweißvorrichtunO in der Seitenansicht ; Fig. 2 - die chweißvorrichtung im Schnitt A - B; Fig. 5-den Verlauf des Schweißschwertes vom Punkt 17 im kontinuierlichen Übergang bis Punkt 18; Fig. 4 - das Profil des Glättschuhes.
  • Der Schweißblock 1 besteht aus Wärme gut- leitendem Material, z. B. Kupfer o.dgl., und wird über Zu-und Ableitungen 2, 3 u.2', 3' durch eine Flüssigkeit beheizt, deren Temperatur nach den praktischen Erfahrungen ungefähr 150 bis 180t beträgt und durch ein an sich bekanntes Heizelement laufend eingestellt wird. Der Zusatzdraht 4, der vorzugsweise von runder Gestalt ist und keine Orientierung hinsichtlich seines Umfangs erforderlich macht, weist einen Querschnitt auf, der gleich oder wenig größer ist als der Querschnitt der vorbereiteten Schweißfuge, um ein unnötiges Erwärmen des Schweißdrahtes zu vermeiden, durch welches die Schweißgeschwindigkeit beeinträchtigt würde.
  • Für die Zuführung des Schweißdrahtes 4 ist der Schweißblock endweise bei 5 zur Schmeizfuge ausgebildet. An dem Schweißblock 1 ist mit Hilfe einer Halterung 6 die Andrilokrolle 7 vorgesehen, die zur Regulierung des AnpreBdruckes des Schweißdrahtes 4 durch eine Feder 8 einstellbar ist. Die Rolle 7 weist entsprechend der fertigen Schweißraupe eine Hohlkehle 9 auf, die zwecks gesicherter Mitnahme des Schweißdrahtes gerändelt ist. Der runde Schweißdraht wird beim Durchlaufen zwischen der Andrückrolle 7 und
    des Sch * fuge
    5 profiliert angeschmolzen und vorgewärmt, wobei der Profilwinkelquerschnitt kleiner ist als der vorgeschmolzene Stoßfugenwinkel.
  • Die Basisfläche des Schweißblocks 1 ist erfindungsgemäß als Schweißschwert lo ausgebildet, dessen Profilsteg von 300 bis 9o0 aut seiner ganzen Länge stetig zunimmt oder im BedarSsfall bis zur Hohlkehle-sich erweitert, wie dies beispielsweise in der Fig. 3 veranschaulicht ist. Die Länge des Schweißschwertes lo ist so bemessen, daß in aller Regel ein ausreichender Wärmeübergang vom Schweißschwert auf das thermoplastische Schweißgut bei der im Bedarfsfall gerade erforderlichen Schweißtemperatur ermöglicht ist. Das Schweißschwert lo hat auf diese Weise einerseits den benötigten Wärmekontakt mit den Schweißkanten des Schweißgutes, quetscht andererseits entsprechend der Profilzunahme das geschmolzene Material weg und hält wegen der geringen Wärmeleitfähigkeit des thermoplastischen Materials laufend unmittelbaren Kontakt mit neuem Material. Nach Fig. 4 besitzt der Schweißblock 1 eine beheizte Glätteinrichtung, die von einer Hohlkehle 19 in eine plane Fläche 20 übergeht und den Schweißdraht glattbügelt.
  • Soll überdies im Bedarfsfall z. B. ein filzkaschierter PVO-Sußbodenbelag geschweißt werden, so erhält das Schweißschwert lo einen Vorlaufschuh 11, welcher die Filzkanten vorübergehend anhebt und die Falzkanten in dieser Lage bis zum Beginn des Schweißvorganges hält. Hierdurch wird der Vorteil erzielt, daß der Filz im Bereich der Schweißfuge vor dem Verschweißen nicht durch eine besondere Maßnahme entfernt werden muß. Der zusätzliche Vorlaufschuh 11 ist an dem Punkt 12 am Schweißblock 1 drehbar gelagert. Er ist an seiner Spitze 13 pflugscharartig abgeschrägt. Ferner dient die Spitze des Vorlaufschuhs gemeinsam mit der Andrückrolle 7 als 2 Punkt-Auflage zur Einstellung der Eindringtiefe des Schweißschwertes lo. Pür die einwandfreie Führung des Schweißschwertes in der Schweißfuge ist an der Gleitsohle des Vorlaufschuhs ein besonderes Führungselement, z. B. in Gestalt einer Rolle, Rasierklinge oder Schiene 14, vorgesehen.
  • Wird die Schweißvorrichtung gemäß der Erfindung als Handgerät eingesetzt, so können an der Achse 15 Laufräder 16 angebracht werden, um ein seitliches Kippen des ganzen Gerätes zu verhindern.
  • Die Laufräder 16 und die Andrückrolle 7 können mit einem (nicht dargestellten) stufenlos regelbaren Antriebsmotor verbunden sein, welcher die Schweißvorrichtung einen gleichmässigen Vorschub erteilt.
  • Wird die erfindungsgemäße Schweißvorrichtung in ein Maschinengestell eingebaut, auf welchem das Schweißgut de. Schweißvorrichtung zugeführt wird, so kann diese in der Achse , die in Richtung der Schweißnaht läuft schwenkbar gelagert werden.
  • Die Basisfläche und die gleitenden Einzelteile der Schweißvorrichtung nach der Erfindung können einen Ueberzug aus Polytetrafluoräthylen aufweisen oder verchromt sein.

Claims (6)

  1. P a t e n t a n s p r ü c h e 1. Vorrichtung zum Verschweißen von einteiligen, mehrlagigen oder kaschierten Flächengebilden, Rohren o. dgl. aus thermoplastischen Kunststoffen, bei der ein thermisch erweichter Eunststoff-Schweißdraht in die Schweißnaht gepreßt wird, dadurch gekennzeichnet, daß an einem von Hand oder maschinell bewegten, beheizbaren Schweißblock (1) aus wärmeleitendem Werkstoff eine den Schweißdraht (4) erfassende und in die Schweißnaht pressende Andrückrolle (7) gehaltert und ein profiliertes Schweißschwert (lo) an der Basisfläche des Schweißblockes vorgesehen ist.
  2. 2. Vorrichtung zum Verschweißen nach Anspruch 1, dadurch gekennzeichnet, daß die Andrückrolle (7) auf ihrem Umfang eine gerändelte Hohlkehle (9) aufweist.
  3. 3. Vorrichtung zum Verschweißen nach Anspruch 1 und 2, dadurch gekennzeichnet, daß die Andrückrolle (7) verschiebbar gelagert und ihr Anpreßdruck durch eine Feder (8) einstellbar ist.
  4. 4. Vorrichtung zum Verschweißen nach Anspruch 1 bis 3, dadurch gekennzeichnet, daß die Profilierung des Sohweißschwertes (lo) sich in der Arbeitsrichtung der Vorrichtung auf ihrer Gesamtlänge stetig verbreitert, derart, daß sich z.B. der Profilsteg von 300 auf 9o° bzw. zur Halbkreisform erweitert.
  5. 5. Vorrichtung zum Verschweißen nach Anspruch 1 bis 4, dadurch gekennzeichnet, daß ein am Schweißblock (1) drehbar gelagerter Vorlauf schuh (1s) an seiner Spitze pilugscharartig ausgebildet ist und an seiner Sohle ein Führungselement (10, z,B. Rolle, Schneide o.dgl., aufnimmt.
  6. 6. Vorrichtung zum Verschweißen nach Anspruch 1 bis 5, dadurch gekennzeichnet, daß die gleitenden und/oder beweglichen Sinzelglieder (Andrückrolle, Verlängerungsstück, Vorlaufschuh, Laufrollen) mit Polytetrafluoräthylen überzogen sind.
DE19651454937 1965-10-22 1965-10-22 Vorrichtung zum Verschweissen von einteiligen,mehrlagigen und/oder kaschierten Flaechengebilden,Rohren od.dgl. aus thermoplastischen Kunststoffen Pending DE1454937A1 (de)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2501104A1 (fr) * 1981-03-04 1982-09-10 Gundle Holdings Pty Ltd Procede et appareil pour souder des materiaux thermoplastiques
EP0225943A1 (de) * 1985-12-03 1987-06-24 Clarence H. Drader Vorrichtung und Verfahren zum Schweissen thermoplastischen Materials
DE10032450A1 (de) * 2000-07-04 2002-01-24 Christian Fitterer Vorrichtung zum Verschweißen von Fußbodenbelägen
EP2769831A1 (de) * 2013-01-18 2014-08-27 Leo Martinez Manuelle und automatische Wärmeschweißzange
EP3542996A1 (de) * 2018-03-19 2019-09-25 Urban GmbH & Co. Maschinenbau KG Verfahren und vorrichtung für die bearbeitung eines rahmens oder teilrahmens

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2501104A1 (fr) * 1981-03-04 1982-09-10 Gundle Holdings Pty Ltd Procede et appareil pour souder des materiaux thermoplastiques
EP0225943A1 (de) * 1985-12-03 1987-06-24 Clarence H. Drader Vorrichtung und Verfahren zum Schweissen thermoplastischen Materials
DE10032450A1 (de) * 2000-07-04 2002-01-24 Christian Fitterer Vorrichtung zum Verschweißen von Fußbodenbelägen
EP2769831A1 (de) * 2013-01-18 2014-08-27 Leo Martinez Manuelle und automatische Wärmeschweißzange
EP3542996A1 (de) * 2018-03-19 2019-09-25 Urban GmbH & Co. Maschinenbau KG Verfahren und vorrichtung für die bearbeitung eines rahmens oder teilrahmens
EP4011590A1 (de) * 2018-03-19 2022-06-15 Urban GmbH & Co. Maschinenbau KG Verfahren für die bearbeitung eines rahmens oder teilrahmens

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