Apparatus for working plastic materials
US3977658A · kind A · utility
5Cited by
5References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 25, 1975 |
| Grant date | Aug 31, 1976 |
| Priority date | — |
| Expiry date | Feb 25, 1995 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29C48/03
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Apparatus for the working of plastic materials, including three separate portions consisting of two screw pumps between which lies a conical kneading rotor having radical fingers and rotating in a cylindrical housing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.