Production method of wood cement board

Details Production method of wood cement board Production method of wood cement board

2011-08-09

2011-08-09

Theisen, Mary Lynn F (Department: 1743)

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

To produce composite, plural part or multilayered article

C264S113000, C264S119000, C264S120000, C264S333000, C052S630000

Reexamination Certificate

active

07993563

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.

REFERENCES:
patent: 5169573 (1992-12-01), Tsuchida et al.
patent: 6886304 (2005-05-01), Godi et al.
patent: 2001-150421 (2001-06-01), None

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