Production of UHMWPE sheet materials
US7736579B2 · kind B2 · utility
5Cited by
53References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 13, 2007 |
| Grant date | Jun 15, 2010 |
| Priority date | — |
| Expiry date | Apr 18, 2028 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29L2007/002
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Wide panels of UHMWPE having exceptional flatness and surface quality are ram extruded through a slit die equipped with a plurality of individually adjustable cooling zones proximate the panel exit slit and transverse to the machine direction which cool the by a back pressure device and preferably a vertical movement restraint. The process is robust and can be run for long product campaigns.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.