GB1042776A - - Google Patents
Info
- Publication number
- GB1042776A GB1042776A GB1042776DA GB1042776A GB 1042776 A GB1042776 A GB 1042776A GB 1042776D A GB1042776D A GB 1042776DA GB 1042776 A GB1042776 A GB 1042776A
- Authority
- GB
- United Kingdom
- Prior art keywords
- sheet
- rim
- cup
- foamed
- moulded
- 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
Abstract
1,042,776. Moulding containers. HAVEG INDUSTRIES Inc. July 1, 1964 [July 2, 1963], No. 27089/64. Heading B5A. A shrink resistant liquid container, e.g. a cup, is formed by vacuum or blow-moulding a sheet of thermoplastic foamed material at a temperature of at least 205‹ F. and below the temperature at which the material loses its foamed structure. A rim, which may be headed, is simultaneously compression moulded on to the cup. The sheet may comprise a foamed core between 2 non-foamed skins, or may consist solely of foamed material. A heat-softened sheet 2 is vacuum moulded in a female die 6 aided by a plunger 8, the plunger carrying a ring 18 which compression moulds the rim on the cup. The bottom of the cup is also compression moulded, the transference of the sheet to the female die, before full closure of the mould and the compression moulding of the rim and bottom, being assisted by compressed air through channel 48 in the plunger. The sheet may be blow-moulded without the use of vacuum. A bead may be formed on the rim by providing a suitable groove around the mouth of the female die (Fig. 2, not shown).
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1042776A true GB1042776A (en) | 1900-01-01 |
Family
ID=1755239
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1042776D Expired GB1042776A (en) |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB1042776A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0010847A1 (en) * | 1978-09-15 | 1980-05-14 | Mobil Oil Corporation | Method and apparatus for thermoforming thermoplastic foam articles |
| GB2179291A (en) * | 1985-08-17 | 1987-03-04 | Ecosse A C Ltd | Panel |
-
0
- GB GB1042776D patent/GB1042776A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0010847A1 (en) * | 1978-09-15 | 1980-05-14 | Mobil Oil Corporation | Method and apparatus for thermoforming thermoplastic foam articles |
| GB2179291A (en) * | 1985-08-17 | 1987-03-04 | Ecosse A C Ltd | Panel |
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