Apparatus for manufacturing plastics blanks
US3947203A · kind A · utility
6Cited by
3References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 18, 1974 |
| Grant date | Mar 30, 1976 |
| Priority date | — |
| Expiry date | Oct 18, 1994 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29K2105/253
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Apparatus for manufacturing blanks from a synthetic plastics material inces a mould cavity defined between a mandrel and an outer mould. A retractable sleeve is slidably mounted on the mandrel and is displaceable within the cavity at a rate which depends on the rate at which the plastics material is injected into the cavity.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.