GB964691A - Manufacture of lids or covers for thermoplastic containers - Google Patents

Manufacture of lids or covers for thermoplastic containers

Info

Publication number
GB964691A
GB964691A GB1506859A GB1506859A GB964691A GB 964691 A GB964691 A GB 964691A GB 1506859 A GB1506859 A GB 1506859A GB 1506859 A GB1506859 A GB 1506859A GB 964691 A GB964691 A GB 964691A
Authority
GB
United Kingdom
Prior art keywords
sheet
adhesive
lids
coating
covers
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
GB1506859A
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.)
John Waddington Ltd
Original Assignee
John Waddington 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 John Waddington Ltd filed Critical John Waddington Ltd
Priority to GB1506859A priority Critical patent/GB964691A/en
Publication of GB964691A publication Critical patent/GB964691A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31D—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER, NOT PROVIDED FOR IN SUBCLASSES B31B OR B31C
    • B31D1/00—Multiple-step processes for making flat articles ; Making flat articles
    • B31D1/0018—Multiple-step processes for making flat articles ; Making flat articles the articles being pull-tap closure discs for bottles, jars or like containers

Landscapes

  • Wrappers (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Laminated Bodies (AREA)

Abstract

Lids or covers for heat sealing to containers are formed from a sheet of cardboard or pasteboard by the steps of: perforating or partially severing a displaceable flap in each area of the sheet where a lid is to be formed; coating one or both sides of the sheet with wax to render it air-tight and liquid-tight; treating at least part of each area with a heat-sealing adhesive; and cutting out the lids from the sheet. Each lid area on the sheet may previously be printed on the face opposite to that on which the adhesive is applied. The steps of coating and applying adhesive may be combined, in which case the adhesive is applied as a complete coating. The adhesive, which may be polystyrene or polyvinyl acetate, may be applied as a solvent, an emulsion, a hot melt or an extrusion coating.
GB1506859A 1959-05-02 1959-05-02 Manufacture of lids or covers for thermoplastic containers Expired GB964691A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1506859A GB964691A (en) 1959-05-02 1959-05-02 Manufacture of lids or covers for thermoplastic containers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1506859A GB964691A (en) 1959-05-02 1959-05-02 Manufacture of lids or covers for thermoplastic containers

Publications (1)

Publication Number Publication Date
GB964691A true GB964691A (en) 1964-07-22

Family

ID=10052471

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1506859A Expired GB964691A (en) 1959-05-02 1959-05-02 Manufacture of lids or covers for thermoplastic containers

Country Status (1)

Country Link
GB (1) GB964691A (en)

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