Control of plastic injection
US4134687A · kind A · utility
10Cited by
1References
14Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 24, 1977 |
| Grant date | Jan 16, 1979 |
| Priority date | — |
| Expiry date | May 24, 1997 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S366/604
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Apparatus for injecting thermoplastic material including means to form a tubular stream of plastic with a central stream containing a foaming agent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.