Fiber chopper
US7363842B1 · kind B1 · utility
2Cited by
12References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 17, 2004 |
| Grant date | Apr 29, 2008 |
| Priority date | — |
| Expiry date | Jan 1, 2026 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T83/4841
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A method and system for separating long unwound items like fiber, fiber strands, yarn, etc. into short lengths. The system has a backup roll, a blade roll, an idler roll, a new-strand starting mechanism and a set of pull rolls. The improvements include a second starting roll spaced from a first starting roll as part of the new-strand starting mechanism and a guide aid for the pull rolls.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.