Multiple width fiber strip and method and apparatus for its production
US5860201A · kind A · utility
3Cited by
6References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 2, 1997 |
| Grant date | Jan 19, 1999 |
| Priority date | — |
| Expiry date | Jan 2, 2017 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/627
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An apparatus for the production of a multiple width fiber strip consisting of crimped interlaced filaments and having several zones extending in longitudinal direction of the fiber strip as well as at least one predetermined tear line (4) extending in longitudinal direction of the fiber strip, wherein the tear strength (daN) of the fiber strip, referred to the total denier (dtex) is at least about 1.7.times.10.sup.-4 daN/dtex, has a pair of transport rolls (8,9) for jointly transporting the supplied bands (1,2) and a crimping chamber (10.1, 10.1, 11, 12, 13, 14) which is arranged downstream of the pair of transport rolls (8, 9).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.