Process for producing a board of cement-like material reinforced by fibrous material and apparatus for the process
US3972972A · kind A · utility
48Cited by
4References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 18, 1974 |
| Grant date | Aug 3, 1976 |
| Priority date | — |
| Expiry date | Apr 18, 1994 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB28B1/526
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
This invention relates to a process for continuously producing a board of cement-like material reinforced by fibrous material, which comprises (A) preparing granules of cement-like material by adding water to powdery cement-like material; (B) preparing a granular mixture of the cement-like material and fibrous material by mixing the above prepared granules of cement-like material with short lengths of fibrous material dispersed in air; and (C) forming said granular mixture into a board under compression, optionally with the addition of water.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.