Mineral fiber nodules and method of making same
US4997681A · kind A · utility
7Cited by
10References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 8, 1989 |
| Grant date | Mar 5, 1991 |
| Priority date | — |
| Expiry date | Feb 8, 2009 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD01G29/00
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A nodulizing machine for use in an apparatus for making loose fill insulation from mineral fibers comprises an input portal, a conduit containing a plurality of blades and an output portal. Apparatus for making loose fill insulation from mineral fibers comprises a duct extending from a source of the mineral fibers to the nodulizing machine of the present invention. The apparatus includes flow rate control means to control the flow rate of air and mineral fibers in the apparatus. A process for making loose fill insulation from mineral fibers in association with the apparatus of the invention is also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.