Process of making a compacted polyolefin article
US6312638A · kind A · utility
14Cited by
19References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 2, 1999 |
| Grant date | Nov 6, 2001 |
| Priority date | — |
| Expiry date | Apr 2, 2019 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB29K2223/12
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A polyolefin plaque is produced by hot compaction of an assembly of melt spun oriented fibres. It has been found that good compaction can be achieved at relatively low compaction pressures, less than 10 Pa. Compaction can be carried out in an autoclave, rather than in a hot compaction press, and the mechanical properties of plaques so produced range from good to excellent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.