United States Patent
US Patent 5665425: Wood meal and method of manufacturing the same
US 5665425 · granted 1997-09-09
| Patent Number | 5665425 |
|---|---|
| Title | Wood meal and method of manufacturing the same |
| Filed | 1995-06-07 |
| Granted | 1997-09-09 |
| Inventor(s) | Sadao Nishibori, Yuzo Itakura |
| Assignee | Misawa Homes Co Ltd |
| CPC Classification | C08K9/00, C08K9/02, B27L11/00 |
| Number of Claims | 3 |
Abstract
The present invention relates to wood meal prepared by crushing raw material wood to obtain treated wood meal, pulverizing the treated wood meal under frictional forces of pulverizer balls to obtain wood meal granules with increased bulking density, preparing particles that are finer and harder than said granules, and fixing said finer particles onto the surface of the granules by external pressing force. Said finer particles may also be fixed on said treated wood meal in the process of pulverization to increase the bulking density or on said granules that have been increased of the bulking density. The finer particles may include one or more kinds selected from pigments, electroconductive substances, inorganic substances, plastic materials, and metallic materials.
Claims Summary
1. A method for making wood meal comprising the steps of:a) providing raw material wood;