GB943469A - Process for forming thermoplastic packages, containers and the like - Google Patents
Process for forming thermoplastic packages, containers and the likeInfo
- 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
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.
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) |
-
1959
- 1959-01-21 GB GB219559A patent/GB943469A/en not_active Expired
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