Production method of wood cement board
US7993563B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 30, 2009 |
| Grant date | Aug 9, 2011 |
| Priority date | — |
| Expiry date | Jan 21, 2030 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02W30/91
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Provided is a high manufacturing method of the production efficiency for a wood cement board that has a pattern of recesses and projections.The method for making a wood cement board having a pattern of recesses and projections on its surface, comprising: dispersing a raw material mixture onto a template provided with recesses corresponding to the portions of the wood cement board on which projections are formed, while conveying the template, thereby forming a mat; pressurizing only a section of the mat raw material mixture that is layered on the recesses of the template from above; leveling the surface of the partly pressurized mat; and pressing the resulting mat and the template together, followed by hardening and curing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.