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GB792290A - Improvements in and relating to the sealing of bags and like containers made of thermoplastic materials and to bags and like containers of such materials provided with sealing closing means - Google Patents

Improvements in and relating to the sealing of bags and like containers made of thermoplastic materials and to bags and like containers of such materials provided with sealing closing means

Info

Publication number
GB792290A
GB792290A GB28852/56A GB2885256A GB792290A GB 792290 A GB792290 A GB 792290A GB 28852/56 A GB28852/56 A GB 28852/56A GB 2885256 A GB2885256 A GB 2885256A GB 792290 A GB792290 A GB 792290A
Authority
GB
United Kingdom
Prior art keywords
bags
sealing
containers
wire
walls
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
GB28852/56A
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.)
BRUCE JACKSON CARNABY GRAND
Blackburn and General Aircraft Ltd
Original Assignee
BRUCE JACKSON CARNABY GRAND
Blackburn and General Aircraft Ltd
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 BRUCE JACKSON CARNABY GRAND, Blackburn and General Aircraft Ltd filed Critical BRUCE JACKSON CARNABY GRAND
Priority to GB28852/56A priority Critical patent/GB792290A/en
Publication of GB792290A publication Critical patent/GB792290A/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
    • 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
    • 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
    • B29C66/40—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
    • B29C66/40—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
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B51/00—Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
    • B65B51/10—Applying or generating heat or pressure or combinations 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
    • 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
    • B29C65/348—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 with a polymer coating

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bag Frames (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Laminated Bodies (AREA)

Abstract

792,290. Seaming. BLACKBURN & GENERAL AIRCRAFT, Ltd., and GRAND, B. J. C. Sept. 20, 1956, No. 28852/56. Class 42 ((1). [Also in Group XVII] The mouth of a bag made of relatively thick thermoplastic sheet material, e.g. sheet polythene having a thickness of 0.01-0.03 inch, is sealed by applying pressure to its opposed walls 1 and 2 and generating the required heat by passing an electric current, e.g. from a 12 or 24 volt battery, through a wire 3 which is disposed between the walls and subsequently remains in position for use as a rip wire and/or for resealing the bag mouth after the walls 1 and 2 have been separated. The wire 3 may be incorporated in the bag during manufacture as by attaching it to the inside of the wall 1 by a covering layer or pieces of thin thermoplastic sheet material 4 secured to the wall by adhesive or the application of heat.
GB28852/56A 1956-09-20 1956-09-20 Improvements in and relating to the sealing of bags and like containers made of thermoplastic materials and to bags and like containers of such materials provided with sealing closing means Expired GB792290A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB28852/56A GB792290A (en) 1956-09-20 1956-09-20 Improvements in and relating to the sealing of bags and like containers made of thermoplastic materials and to bags and like containers of such materials provided with sealing closing means

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB28852/56A GB792290A (en) 1956-09-20 1956-09-20 Improvements in and relating to the sealing of bags and like containers made of thermoplastic materials and to bags and like containers of such materials provided with sealing closing means

Publications (1)

Publication Number Publication Date
GB792290A true GB792290A (en) 1958-03-26

Family

ID=10282197

Family Applications (1)

Application Number Title Priority Date Filing Date
GB28852/56A Expired GB792290A (en) 1956-09-20 1956-09-20 Improvements in and relating to the sealing of bags and like containers made of thermoplastic materials and to bags and like containers of such materials provided with sealing closing means

Country Status (1)

Country Link
GB (1) GB792290A (en)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2308092A (en) * 1995-12-14 1997-06-18 Toa Kokyu Tugitevarubu Seizo C Welding plastics sheets
WO1997026459A1 (en) * 1996-01-18 1997-07-24 Dan-Pal Structures made of panel units and connecting pieces and a method of forming such structures
US20130019568A1 (en) * 2011-06-16 2013-01-24 Dimitri Gkinosatis Waste packing system and film
US9290320B2 (en) 2011-05-03 2016-03-22 Flexopack S.A. Plastics Industry Waste packing system and film
US9365687B2 (en) 2008-01-02 2016-06-14 Flexopack S.A. Plastics Industry PVDC formulation and heat shrinkable film
US9604430B2 (en) 2012-02-08 2017-03-28 Flexopack S.A. Thin film for waste packing cassettes
US9789669B2 (en) 2013-06-14 2017-10-17 Flexopack S.A. Heat shrinkable film
EP3789188A1 (en) * 2019-09-05 2021-03-10 Vestel Elektronik Sanayi ve Ticaret A.S. Appartus for sealing a vacuum bag, vacuum bag, and method for sealing a vacuum bag
US11697541B2 (en) 2014-11-19 2023-07-11 Flexopack S.A. Oven skin packaging process
US11772368B2 (en) 2017-12-22 2023-10-03 Flexopack S.A. FIBC liner film

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2308092B (en) * 1995-12-14 2000-03-22 Toa Kokyu Tugitevarubu Seizo C Method of welding plastics sheets together and a joint used therein
GB2308092A (en) * 1995-12-14 1997-06-18 Toa Kokyu Tugitevarubu Seizo C Welding plastics sheets
WO1997026459A1 (en) * 1996-01-18 1997-07-24 Dan-Pal Structures made of panel units and connecting pieces and a method of forming such structures
US9365687B2 (en) 2008-01-02 2016-06-14 Flexopack S.A. Plastics Industry PVDC formulation and heat shrinkable film
US10287094B2 (en) 2011-05-03 2019-05-14 Flexopack S.A. Plastics Industry Waste packing system and film
US9290320B2 (en) 2011-05-03 2016-03-22 Flexopack S.A. Plastics Industry Waste packing system and film
US20130019568A1 (en) * 2011-06-16 2013-01-24 Dimitri Gkinosatis Waste packing system and film
US9440788B2 (en) * 2011-06-16 2016-09-13 Flexopack S.A. Waste packing system and method of use
US9604430B2 (en) 2012-02-08 2017-03-28 Flexopack S.A. Thin film for waste packing cassettes
US9789669B2 (en) 2013-06-14 2017-10-17 Flexopack S.A. Heat shrinkable film
US11697541B2 (en) 2014-11-19 2023-07-11 Flexopack S.A. Oven skin packaging process
US11772368B2 (en) 2017-12-22 2023-10-03 Flexopack S.A. FIBC liner film
EP3789188A1 (en) * 2019-09-05 2021-03-10 Vestel Elektronik Sanayi ve Ticaret A.S. Appartus for sealing a vacuum bag, vacuum bag, and method for sealing a vacuum bag

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