Method and device for forming mineral wool
US7314557B2 · kind B2 · utility
4Cited by
2References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 13, 2002 |
| Grant date | Jan 1, 2008 |
| Priority date | — |
| Expiry date | Feb 15, 2023 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/2998
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A device for internal centrifugation of mineral fibers including a centrifuge equipped with a peripheral band perforated with orifices distributed in a plurality of annular zones arranged on top of each other, assuming that the centrifuge is in centrifugation position. The device also includes at least two annular zones whose number of orifices per unit of surface area differs by a value greater than or equal to 5%, in particular greater than or equal to 10%, and even 20%.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.