GB943469A - Process for forming thermoplastic packages, containers and the like - Google Patents

Process for forming thermoplastic packages, containers and the like

Info

Publication number
GB943469A
GB943469A GB219559A GB219559A GB943469A GB 943469 A GB943469 A GB 943469A GB 219559 A GB219559 A GB 219559A GB 219559 A GB219559 A GB 219559A GB 943469 A GB943469 A GB 943469A
Authority
GB
United Kingdom
Prior art keywords
plunger
mould
metal
containers
forming 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
GB219559A
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 GB219559A priority Critical patent/GB943469A/en
Publication of GB943469A publication Critical patent/GB943469A/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
    • B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
    • B29C51/26—Component parts, details or accessories; Auxiliary operations
    • B29C51/30—Moulds
    • B29C51/36—Moulds specially adapted for vacuum forming, Manufacture 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
    • B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
    • B29C51/04—Combined thermoforming and prestretching, e.g. biaxial stretching

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
  • Laminated Bodies (AREA)

Abstract

943,469. Vacuum moulding thermoplastic sheet material. J. WADDINGTON Ltd., and T. N. GAUNT. April 21, 1960 [Jan. 21, 1959], No. 2195/59. Heading B5A. In a plunger assisted vacuum-moulding process compressed air is applied to the mould, after the plunger enters the mould and before the plunger reaches the end of the stroke. The mould may be made of metal or metal-filled synthetic resin, and the plunger of wood or metal. The thermoplastic material may be polystyrene, polycarbonate, polythene, polyvinyl chloride or cellulose propionate or acetate.
GB219559A 1959-01-21 1959-01-21 Process for forming thermoplastic packages, containers and the like Expired GB943469A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB219559A GB943469A (en) 1959-01-21 1959-01-21 Process for forming thermoplastic packages, containers and the like

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB219559A GB943469A (en) 1959-01-21 1959-01-21 Process for forming thermoplastic packages, containers and the like

Publications (1)

Publication Number Publication Date
GB943469A true GB943469A (en) 1963-12-04

Family

ID=9735262

Family Applications (1)

Application Number Title Priority Date Filing Date
GB219559A Expired GB943469A (en) 1959-01-21 1959-01-21 Process for forming thermoplastic packages, containers and the like

Country Status (1)

Country Link
GB (1) GB943469A (en)

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