Twin extruder
US5516205A · kind A · utility
17Cited by
3References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 12, 1995 |
| Grant date | May 14, 1996 |
| Priority date | — |
| Expiry date | Jan 12, 2015 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29C48/03
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A twin extruder has a material supplying section, a conveying section, a kneading section, a degassing section, and a discharging section. In the conveying section and the neading section, a plurality of grooves are formed in each of two walls arcuate in cross section of a cylinder which define an internal hole in the cylinder, and/or a cut is formed at each of the junctions of the walls of the cylinder.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.