Process and arrangement including a gear pump for handling thermoplastic liquified material
US5494425A · kind A · utility
11Cited by
7References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 27, 1993 |
| Grant date | Feb 27, 1996 |
| Priority date | — |
| Expiry date | Oct 27, 2013 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02W30/62
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Apparatus and process for handling thermoplastic liquified material is disclosed. A system including an extruder feeding into a degasifying chamber is disposed upstream of a gear pump for pressurizing the material. The extruder gravity delivering, by way of a multiple-billet die, billets to the gears outside of the gear meshing area.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.