Manufacture of fibrous webs
US4188355A · kind A · utility
12Cited by
8References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 7, 1977 |
| Grant date | Feb 12, 1980 |
| Priority date | — |
| Expiry date | Oct 7, 1997 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S264/02
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
Bonded non-woven mineral fibre mat is made by a process including the steps of forming a foam from an aqueous solution or suspension of a binder, impregnating a non-woven mat with the foam and then selectively removing a major portion of the water from the mat prior to setting and/or curing the binder.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.