Cotton-like mixed materials, non-woven fabrics obtained therefrom and process for production thereof
US5912077A · kind A · utility
12Cited by
1References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 1, 1997 |
| Grant date | Jun 15, 1999 |
| Priority date | — |
| Expiry date | Apr 1, 2017 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/20
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
The present invention provides cotton-like mixed materials containing the PTFE fibers and other fibers uniformly and being excellent in intermingling property, non-woven fabrics obtained from the cotton-like mixed materials, and a process for preparation thereof. The split yarn having a network structure and obtained by splitting the uniaxially stretched PTFE film with the needle blade rolls in the stretched direction and the other continuous filament are fed simultaneously to the needle blade rolls rotating at high speed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.