CA907812A - Method of moulding heat-expandable thermoplastics material, and moulds therefor - Google Patents
Method of moulding heat-expandable thermoplastics material, and moulds thereforInfo
- Publication number
- CA907812A CA907812A CA907812A CA907812DA CA907812A CA 907812 A CA907812 A CA 907812A CA 907812 A CA907812 A CA 907812A CA 907812D A CA907812D A CA 907812DA CA 907812 A CA907812 A CA 907812A
- Authority
- CA
- Canada
- Prior art keywords
- thermoplastics material
- moulding heat
- expandable thermoplastics
- moulds
- therefor
- 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
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/3415—Heating or cooling
- B29C44/3426—Heating by introducing steam in the mould
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA907812T |
Publications (1)
Publication Number | Publication Date |
---|---|
CA907812A true CA907812A (en) | 1972-08-22 |
Family
ID=36415525
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA907812A Expired CA907812A (en) | Method of moulding heat-expandable thermoplastics material, and moulds therefor |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA907812A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4693856A (en) * | 1985-04-22 | 1987-09-15 | The Dow Chemical Company | Method and apparatus for the preparation of foamed thermoplastic articles |
-
0
- CA CA907812A patent/CA907812A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4693856A (en) * | 1985-04-22 | 1987-09-15 | The Dow Chemical Company | Method and apparatus for the preparation of foamed thermoplastic articles |
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