Process and apparatus for manufacturing chopped thermoplastic fibers
US6415997B1 · kind B1 · utility
4Cited by
2References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 3, 1999 |
| Grant date | Jul 9, 2002 |
| Priority date | — |
| Expiry date | Aug 3, 2019 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD01G1/04
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
In a process for manufacturing chopped thermoplastic fibers made directly beneath bushings, especially chopped glass fibers, the thermoplastic fibers are chopped in a region in which an anvil wheel and a blade-holder wheel, rotating simultaneously, are in contact with each other. At least part of the peripheral surface of the rotating anvil wheel in contact with the blade-holder wheel is machined so as to compensate for its wear, while maintaining the anvil wheel in contact with the blade-holder wheel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.