Formation of mineral fibre flakes and use of these flakes to reconstitute insulating mats
US4852219A · kind A · utility
2Cited by
11References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 1, 1987 |
| Grant date | Aug 1, 1989 |
| Priority date | — |
| Expiry date | Jun 1, 2007 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE04B1/78
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
Fibrous flakes used to reconstitute heat and sound insulants in the form of felts are themselves produced from a compressed fleece by an opening operation. The flakes detached from the fleece are carried away from the opening device in order to be used immediately.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.