Woven or knitted polyester multifilament fabric
US4416934A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Mar 31, 1981 |
| Grant date | Nov 22, 1983 |
| Priority date | — |
| Expiry date | Mar 31, 2001 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/431
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A woven or knitted polyester multifilament fabric having a silk-like appearance and touch, comprised of polyester multifilament yarns containing one or more types of porous polyester filaments each having an irregular cross-sectional profile, for example, C-, L- or V-shaped profile, and numerous fine linear concave parts formed on the peripheral surface thereof and extending along the longitudinal axis of each individual filaments, the fabric being characterized by a group of said concave parts corresponding to a half of the entire number of the concave parts, each having a length of 5 microns or more and a ratio of the length to the width of each concave part of 5 or more.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.