GB1446714A - Method of and apparatus for processing plastics material - Google Patents
Method of and apparatus for processing plastics materialInfo
- Publication number
- GB1446714A GB1446714A GB5172272A GB5172272A GB1446714A GB 1446714 A GB1446714 A GB 1446714A GB 5172272 A GB5172272 A GB 5172272A GB 5172272 A GB5172272 A GB 5172272A GB 1446714 A GB1446714 A GB 1446714A
- Authority
- GB
- United Kingdom
- Prior art keywords
- thou
- embossing
- male
- design
- die
- 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
- B29C59/00—Surface shaping of articles, e.g. embossing; Apparatus therefor
- B29C59/02—Surface shaping of articles, e.g. embossing; Apparatus therefor by mechanical means, e.g. pressing
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
1446714 Embossing J McGAVIGAN & CO Ltd 10 Sept 1973 [9 Nov 1972] 51722/72 Heading B6J In a method of embossing plastics sheet material by pressure between male and female dies, at least one of which is heated, the sunk portion of the design on the female die is larger in all dimensions than the corresponding relief portion of the male die. In a method of embossing a 5 thou thick polyvinyl chloride sheet with a design 30 thou deep the height of the relief portions on the male die is 32 thou and the depth of the sunk portion is 40 thou; the length and breadth of each part of the design in the sunk portion being greater than that of the relief portion by 10 thou. The male and female dies may be of copper and may be held on platens, the female die being secured to an upper platen by clamps and the male die being secured to a movable lower platen by adhesive. The upper platen may be heated. The plastics sheet may be printed or given a surface finish prior to embossing and may be a single thickness or a laminate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB5172272A GB1446714A (en) | 1972-11-09 | 1972-11-09 | Method of and apparatus for processing plastics material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB5172272A GB1446714A (en) | 1972-11-09 | 1972-11-09 | Method of and apparatus for processing plastics material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1446714A true GB1446714A (en) | 1976-08-18 |
Family
ID=10461127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB5172272A Expired GB1446714A (en) | 1972-11-09 | 1972-11-09 | Method of and apparatus for processing plastics material |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB1446714A (en) |
-
1972
- 1972-11-09 GB GB5172272A patent/GB1446714A/en not_active Expired
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |