GB506077A - Improvements in or relating to the preparation of gas-expanded rubber and like material - Google Patents
Improvements in or relating to the preparation of gas-expanded rubber and like materialInfo
- Publication number
- GB506077A GB506077A GB3611937A GB3611937A GB506077A GB 506077 A GB506077 A GB 506077A GB 3611937 A GB3611937 A GB 3611937A GB 3611937 A GB3611937 A GB 3611937A GB 506077 A GB506077 A GB 506077A
- Authority
- GB
- United Kingdom
- Prior art keywords
- gas
- rubber
- gassing
- chamber
- expanded rubber
- 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
- B29C67/00—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
- B29C67/24—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 characterised by the choice of material
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
- Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
Abstract
506,077. Sponge rubber. EXPANDED RUBBER CO., Ltd., and LAUTOUR, F. DE. Dec. 30, 1937, No. 36119. [Clas, 70] In the manufacture of gas expanded rubber the rubber is partially vulcanized usually to between two and fifteen per cent of the final cure, gassed at atmospheric temperature, and subsequently heated in a mould to complete the vulcanization and expansion of the gas. The pressure in the gassing chamber at the completion of the gassing operation is preferably released rapidly in order to cool the contents of the chamber so they may be readily removed ; the cooling effect may be prolonged by conducting the cooled gas through a jacket around the gassing chamber. A mixture of gas soluble in the rubber and gas insoluble in the rubber, for example a mixture of nitrogen and carbon dioxide, may be used for the gassing operation. Specifications 358,967 and 488,915 are referred to,
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3611937A GB506077A (en) | 1937-12-30 | 1937-12-30 | Improvements in or relating to the preparation of gas-expanded rubber and like material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3611937A GB506077A (en) | 1937-12-30 | 1937-12-30 | Improvements in or relating to the preparation of gas-expanded rubber and like material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB506077A true GB506077A (en) | 1939-05-23 |
Family
ID=10385156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3611937A Expired GB506077A (en) | 1937-12-30 | 1937-12-30 | Improvements in or relating to the preparation of gas-expanded rubber and like material |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB506077A (en) |
-
1937
- 1937-12-30 GB GB3611937A patent/GB506077A/en not_active Expired
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