GB997784A - Manufacture of shaped plastic articles - Google Patents
Manufacture of shaped plastic articlesInfo
- Publication number
- GB997784A GB997784A GB2459861A GB2459861A GB997784A GB 997784 A GB997784 A GB 997784A GB 2459861 A GB2459861 A GB 2459861A GB 2459861 A GB2459861 A GB 2459861A GB 997784 A GB997784 A GB 997784A
- Authority
- GB
- United Kingdom
- Prior art keywords
- sheet
- engravings
- blanks
- manufacture
- thermoplastic material
- 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
- B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
- B29C53/02—Bending or folding
- B29C53/04—Bending or folding of plates or sheets
- B29C53/06—Forming folding lines by pressing or scoring
- B29C53/063—Forming folding lines by pressing or scoring combined with folding
- B29C53/066—Forming folding lines by pressing or scoring combined with folding and joining the sides of the folding line, e.g. "Abkantschweissen"
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
Abstract
997,784. Moulding blanks for containers- JOHN WADDINGTON Ltd., and T. N. GAUNT. Aug. 27, 1962 [July 7, 1961], No. 24598/61. Heading B5A. [Also in Divisions B6 and B8] A blank of thermoplastic material is provided with predetermined grooves along which the blanks are folded into cartons. The grooves are produced by placing the heated sheet on a flat plate 2 bearing engravings 3 or projections corresponding to the fold lines and then either applying pressure to face the sheet against the engravings or projections, or applying an air-tight seal to one side of the sheet 4 and forming a vacuum which sucks the material into the engraving or over the projection. The thermoplastic material may be polystyrene, polyvinyl chloride, cellulose acetate, polycarbonate, polypropylene or polyethylene.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2459861A GB997784A (en) | 1961-07-07 | 1961-07-07 | Manufacture of shaped plastic articles |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2459861A GB997784A (en) | 1961-07-07 | 1961-07-07 | Manufacture of shaped plastic articles |
Publications (1)
Publication Number | Publication Date |
---|---|
GB997784A true GB997784A (en) | 1965-07-07 |
Family
ID=10214178
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2459861A Expired GB997784A (en) | 1961-07-07 | 1961-07-07 | Manufacture of shaped plastic articles |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB997784A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2236617A1 (en) * | 1972-05-19 | 1973-11-29 | Dimmler Ag C E | PROCESS FOR PRODUCING A FOLDING BOX FROM A PLASTIC FILM, DEVICE FOR CARRYING OUT THE PROCESS AND FOLDING BOX PRODUCED BY THE PROCESS |
GB2161427A (en) * | 1984-06-13 | 1986-01-15 | Amalgamated Mining Trading | Forming containers |
-
1961
- 1961-07-07 GB GB2459861A patent/GB997784A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2236617A1 (en) * | 1972-05-19 | 1973-11-29 | Dimmler Ag C E | PROCESS FOR PRODUCING A FOLDING BOX FROM A PLASTIC FILM, DEVICE FOR CARRYING OUT THE PROCESS AND FOLDING BOX PRODUCED BY THE PROCESS |
GB2161427A (en) * | 1984-06-13 | 1986-01-15 | Amalgamated Mining Trading | Forming containers |
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