GB1294352A - Improvements in or relating to the heat-sealing of paper substrates - Google Patents

Improvements in or relating to the heat-sealing of paper substrates

Info

Publication number
GB1294352A
GB1294352A GB31516/69A GB3151669A GB1294352A GB 1294352 A GB1294352 A GB 1294352A GB 31516/69 A GB31516/69 A GB 31516/69A GB 3151669 A GB3151669 A GB 3151669A GB 1294352 A GB1294352 A GB 1294352A
Authority
GB
United Kingdom
Prior art keywords
lacquer
adhesive composition
substrate
heat sealing
paper
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
GB31516/69A
Inventor
Gordon Boyd
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.)
ES&A Robinson Holdings Ltd
Original Assignee
ES&A Robinson Holdings 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 ES&A Robinson Holdings Ltd filed Critical ES&A Robinson Holdings Ltd
Priority to GB31516/69A priority Critical patent/GB1294352A/en
Priority to ZA704284A priority patent/ZA704284B/en
Priority to SE08709/70A priority patent/SE364218B/xx
Priority to FR707023111A priority patent/FR2047070B1/fr
Priority to DE19702030751 priority patent/DE2030751A1/en
Priority to NL7009220A priority patent/NL7009220A/xx
Publication of GB1294352A publication Critical patent/GB1294352A/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
    • B29C65/76—Making non-permanent or releasable 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
    • B29C66/11—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
    • B29C66/45—Joining of substantially the whole surface of the 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
    • B29C66/72—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
    • B29C66/7232—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 comprising a non-plastics layer
    • B29C66/72327—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 comprising a non-plastics layer consisting of natural products or their composites, not provided for in B29C66/72321 - B29C66/72324
    • B29C66/72328—Paper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • 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
    • B29C66/72—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
    • B29C66/7232—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 comprising a non-plastics layer
    • B29C66/72327—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 comprising a non-plastics layer consisting of natural products or their composites, not provided for in B29C66/72321 - B29C66/72324

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Laminated Bodies (AREA)
  • Adhesives Or Adhesive Processes (AREA)

Abstract

1294352 Seaming non-metallic sheet material E S & A ROBINSON (HOLDINGS) Ltd 19 June 1970 [23 June 1969] 31516/69 Heading B5K A peelable seal between a first substrate and a paper substrate is formed by applying a heat sealable adhesive composition to the first substrate, the adhesive composition being of the type which permits subsequent peeling apart of the substrates after heat sealing; applying a lacquer to the paper substrate to an extent which does hot substantially impair the gas permeability of the paper, the lacquer comprising a vinyl polymer or copolymer and being incompatible with the adhesive composition under heat sealing conditions, i.e. the lacquer and the adhesive composition are maintained as separate coatings; and heat sealing the first substrate and the paper substrate together with the applied adhesive and lacquer. The lacquer may be (a) a terpolymer containing maleic acid terpolymerized with vinyl chloride and vinyl acetate, (b) a copolymer of vinyl acetate and vinyl chloride, or (c) polyvinyl acetate, or a mixture thereof. Preferably, the heat sealing adhesive composition comprises an ethylene/vinyl acetate copolymer and polystyrene. The first substrate may comprise a laminate of cellulose film and polyethylene film, the adhesive composition being applied to the polyethylene surface. The lacquer is applied to the paper substrate from solution as an all-over coating, e.g. by a gravure cylinder. Heat sealing is effected by a jaw at a temperature of 65-250‹ C., e.g. 100-190‹ C. A package sealed as described above may hold sterilized needles or surgeons' gloves and may be sterilized after sealing.
GB31516/69A 1969-06-23 1969-06-23 Improvements in or relating to the heat-sealing of paper substrates Expired GB1294352A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
GB31516/69A GB1294352A (en) 1969-06-23 1969-06-23 Improvements in or relating to the heat-sealing of paper substrates
ZA704284A ZA704284B (en) 1969-06-23 1970-06-23 Heat sealing of paper substrates
SE08709/70A SE364218B (en) 1969-06-23 1970-06-23
FR707023111A FR2047070B1 (en) 1969-06-23 1970-06-23
DE19702030751 DE2030751A1 (en) 1969-06-23 1970-06-23 Shift totl
NL7009220A NL7009220A (en) 1969-06-23 1970-06-23

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB31516/69A GB1294352A (en) 1969-06-23 1969-06-23 Improvements in or relating to the heat-sealing of paper substrates

Publications (1)

Publication Number Publication Date
GB1294352A true GB1294352A (en) 1972-10-25

Family

ID=10324252

Family Applications (1)

Application Number Title Priority Date Filing Date
GB31516/69A Expired GB1294352A (en) 1969-06-23 1969-06-23 Improvements in or relating to the heat-sealing of paper substrates

Country Status (6)

Country Link
DE (1) DE2030751A1 (en)
FR (1) FR2047070B1 (en)
GB (1) GB1294352A (en)
NL (1) NL7009220A (en)
SE (1) SE364218B (en)
ZA (1) ZA704284B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4337862A (en) 1978-01-09 1982-07-06 The Wiggins Teape Group Limited Flexible vertical form, fill, seal packaging material and method of using

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4337862A (en) 1978-01-09 1982-07-06 The Wiggins Teape Group Limited Flexible vertical form, fill, seal packaging material and method of using

Also Published As

Publication number Publication date
ZA704284B (en) 1971-03-31
FR2047070B1 (en) 1973-01-12
DE2030751A1 (en) 1971-02-18
NL7009220A (en) 1970-12-28
SE364218B (en) 1974-02-18
FR2047070A1 (en) 1971-03-12

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Legal Events

Date Code Title Description
PS Patent sealed
PLE Entries relating assignments, transmissions, licences in the register of patents
PCNP Patent ceased through non-payment of renewal fee