Manufacture of a veil made of glass and cellulose fibers in cationic medium
US8273214B2 · kind B2 · utility
1Cited by
7References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 23, 2012 |
| Grant date | Sep 25, 2012 |
| Priority date | — |
| Expiry date | Jan 23, 2032 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD21H13/40
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A process for producing a veil comprising glass fibers and cellulose fibers which includes dispersing cellulose fibers and chopped glass fibers into a white water, forming a bed in a forming device by passage of the dispersion over a forming fabric through which the white water is drained off, the fibers being retained on the fabric and the dispersion including, during passage, a cationic white water, and performing a heat treatment step an oven device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.