GB2056907B - Apparatus for welding thermoplastic layers - Google Patents

Apparatus for welding thermoplastic layers

Info

Publication number
GB2056907B
GB2056907B GB8023068A GB8023068A GB2056907B GB 2056907 B GB2056907 B GB 2056907B GB 8023068 A GB8023068 A GB 8023068A GB 8023068 A GB8023068 A GB 8023068A GB 2056907 B GB2056907 B GB 2056907B
Authority
GB
United Kingdom
Prior art keywords
thermoplastic layers
welding thermoplastic
welding
layers
thermoplastic
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
GB8023068A
Other versions
GB2056907A (en
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.)
Pohlig Heckel Bleichert Vereinigte Maschinenfabriken AG
Original Assignee
Pohlig Heckel Bleichert Vereinigte Maschinenfabriken AG
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 Pohlig Heckel Bleichert Vereinigte Maschinenfabriken AG filed Critical Pohlig Heckel Bleichert Vereinigte Maschinenfabriken AG
Publication of GB2056907A publication Critical patent/GB2056907A/en
Application granted granted Critical
Publication of GB2056907B publication Critical patent/GB2056907B/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
    • B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
    • 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
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/346—Making joints having variable thicknesses in the joint area, e.g. by using jaws having an adapted configuration
    • 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
    • B29C66/431—Joining the articles to themselves
    • B29C66/4312—Joining the articles to themselves for making flat seams in tubular or hollow articles, e.g. transversal seams
    • B29C66/43121—Closing the ends of tubular or hollow single articles, e.g. closing the ends of bags
    • 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
    • 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
    • B29C66/80—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
    • B29C66/832—Reciprocating joining or pressing tools

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Package Closures (AREA)
GB8023068A 1979-08-29 1980-07-15 Apparatus for welding thermoplastic layers Expired GB2056907B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19792934807 DE2934807A1 (en) 1979-08-29 1979-08-29 DEVICE FOR LOCKING OR WELDING PLASTIC BAGS

Publications (2)

Publication Number Publication Date
GB2056907A GB2056907A (en) 1981-03-25
GB2056907B true GB2056907B (en) 1983-08-24

Family

ID=6079510

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8023068A Expired GB2056907B (en) 1979-08-29 1980-07-15 Apparatus for welding thermoplastic layers

Country Status (5)

Country Link
JP (1) JPS5641127A (en)
DE (1) DE2934807A1 (en)
FR (1) FR2464193A1 (en)
GB (1) GB2056907B (en)
IT (1) IT1212439B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10029407B2 (en) 2014-12-04 2018-07-24 Big Heart Pet, Inc. Apparatus, processes, and systems for heat sealing

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5870019U (en) * 1981-11-05 1983-05-12 隅田電機工業株式会社 Underground cable removal processing equipment
DE3213997A1 (en) * 1982-04-16 1983-10-20 Behn Maschinenfabrik GmbH & Co KG, 4150 Krefeld Welding device for closing a valve tube of a valve bag
JPS6190701U (en) * 1984-11-17 1986-06-12
US4693058A (en) * 1986-07-17 1987-09-15 Hayssen Manufacturing Company Bag sealing bar
BE905400A (en) * 1986-09-09 1987-03-09 Baxter Travenol Lab DEVICE FOR WELDING SHEETS OF THERMOPLASTIC MATERIAL BETWEEN TWO ELECTRODES.
DE19904154A1 (en) * 1999-02-03 2000-08-17 Bosch Gmbh Robert Device for closing packaging made from a heat-sealable material
ITMI20010513A1 (en) * 2001-03-09 2002-09-09 Getters Spa TUBULAR THERMAL INSULATION DEVICE AND PROCEDURES FOR ITS PRODUCTION
JP2006290394A (en) * 2005-04-08 2006-10-26 Fasutemu Engineering Kk Heat sealer
NL1031167C2 (en) * 2006-02-16 2007-08-17 Smulders Machine En App Nbouw Device for joining strips of plastic foil material together.
DE102007061245A1 (en) * 2007-12-19 2009-06-25 Multivac Sepp Haggenmüller Gmbh & Co. Kg Device and method for sealing packages
DE102008039158B4 (en) * 2008-08-21 2014-06-12 Multivac Sepp Haggenmüller Gmbh & Co. Kg Device for sealing packages

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB739015A (en) * 1953-06-30 1955-10-26 Wilts United Dairies Ltd Improvements in means for sealing materials by heat
GB971578A (en) * 1962-10-02 1964-09-30 Forgrove Mach Improvements in wrapping machinery
FR2102967A5 (en) * 1970-08-31 1972-04-07 Holweg Const Mec Heat sealing tool - with rubber backed ceramic fingers to make the hot tape follow weld section variations
US3982992A (en) * 1973-02-07 1976-09-28 Mobil Oil Corporation Production of heat seals in thermoplastic material with press head having a temperature gradient

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10029407B2 (en) 2014-12-04 2018-07-24 Big Heart Pet, Inc. Apparatus, processes, and systems for heat sealing

Also Published As

Publication number Publication date
IT8023214A0 (en) 1980-07-03
DE2934807A1 (en) 1981-03-19
FR2464193A1 (en) 1981-03-06
GB2056907A (en) 1981-03-25
IT1212439B (en) 1989-11-22
JPS5641127A (en) 1981-04-17

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee