Hydrodynamically bounded carrier webs and use thereof
US6412154B1 · kind B1 · utility
7Cited by
13References
18Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 19, 2000 |
| Grant date | Jul 2, 2002 |
| Priority date | — |
| Expiry date | Jul 28, 2020 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/682
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
The present invention provides a method for the production of bounded non-wovens carriers. The method includes providing a glass staple fiber containing non-woven which is pre-consolidated with a binder. The glass staple fiber non-woven is placed adjacent to one or more non-wovens of synthetic fibers and hydro-dynamically needling at a water beam pressure in the range of 100 to 400 bar.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.