Method of producing fibers from a straw and board products made therefrom
US5656129A · kind A · utility
25Cited by
13References
38Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 31, 1995 |
| Grant date | Aug 12, 1997 |
| Priority date | — |
| Expiry date | May 31, 2015 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD21H11/12
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A method of refining wheat straw into fibers cuts the straw to a length of between about two and about four inches, wets the straw, softens the straw by subjecting the straw to pressurized steam and refines the softened straw in a pressurized mechanical refiner to produce fibers capable of being used in the manufacture of cellulosic board products. The straw fibers may be combined in any proportion to other fibers, such as wood fibers, and used in known dry, wet-dry, and wet board manufacturing processes to produce softboard, medium-density fiberboard, and hardboard products.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.