Method and apparatus for improved solids conveying in plasticating extruders
US4309115A · kind A · utility
6Cited by
2References
12Claims
0Family size
Inventors
Key dates
| Filing date | May 14, 1980 |
| Grant date | Jan 5, 1982 |
| Priority date | — |
| Expiry date | May 14, 2000 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29C48/507
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Method and apparatus in which a selected coating is applied to specific surfaces within a plasticating extruder to change the coefficient of friction between the solids being conveyed in the extruder and the specific surfaces in such a way as to improve solids conveying and thereby increase the production effectiveness of the extruder.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.