Use of an open porous thermoplastic netting as the laminating adhesive in forming a mineral wool fiberboard product
US4129637A · kind A · utility
3Cited by
3References
4Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 8, 1977 |
| Grant date | Dec 12, 1978 |
| Priority date | — |
| Expiry date | Jun 8, 1997 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB32B2305/38
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
An apparatus for forming a mineral wool fiberboard product is described in copending application, Ser. No. 780,419, filed Mar. 23, 1977. This invention constitutes an improvement thereover in that an open porous thermoplastic netting is utilized as the laminating adhesive for bonding the open mesh glass fabric to the mineral wool fiberboard. The thermoplastic netting is fed into the forming chamber immediately over the open mesh glass fabric and beneath the layer of fibers and resins being formed thereover.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.