Extruder with degassing
US4088307A · kind A · utility
0Cited by
2References
6Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 24, 1975 |
| Grant date | May 9, 1978 |
| Priority date | — |
| Expiry date | Oct 24, 1995 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29C48/03
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
An extruder for synthetic material is disclosed which includes an extruder housing provided with at least two worm conveyer shafts, each having one or more helices thereon. An inlet opening is provided in the housing at the extruder input for introducing the synthetic material and a degassing outlet is provided in the housing downstream of the inlet. Intermediately of the material inlet and degassing outlet, distributing members are arranged on the worm shaft peripheries, the distributing members comprising intermeshing tooth-shaped heightened parts of generally hemispherical configuration.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.