Process for the preparation of fiberboards
US4734231A · kind A · utility
21Cited by
5References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 21, 1986 |
| Grant date | Mar 29, 1988 |
| Priority date | — |
| Expiry date | Apr 21, 2006 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S264/18
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A process for the preparation of a fiberboard, including the steps of: PA0 providing a fiber layer or mat; PA0 forming at least one layer of expandable phenol resin particles over and/or under the surfaces of the fiber layer; and PA0 hot pressing the resulting superimposed layers to allow the expandable phenol resin particles to expand and to fill the void space within the fiber layer and to consolidate the fiber layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.