Molding apparatus with retractable preform support pins
US4470786A · kind A · utility
242Cited by
13References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 28, 1982 |
| Grant date | Sep 11, 1984 |
| Priority date | — |
| Expiry date | Jun 28, 2002 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S425/005
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A molding method and apparatus in which an insert part is supported in a mold cavity by a pin. The pin is withdrawn when the resin pressure in the mold exceeds a predetermined value.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.