Drying and gas or vapor contact with solids – Apparatus – With means to treat gas or vapor
Patent
1981-08-19
1983-11-22
Camby, John J.
Drying and gas or vapor contact with solids
Apparatus
With means to treat gas or vapor
8402, F26B 700
Patent
active
044160690
ABSTRACT:
A process for darkening wood and thereby enhancing its surface characteristics is disclosed wherein wet wood is dried to about 6 percent moisture content in steam generated from the wood itself at temperatures from 215.degree. to 320.degree. F. and pressures from 15 to 40 psi whereby the wood is darkened through its thickness and thereby making the differentiation between earlywood and latewood in the wood more clearly observable than in wood not processed by this method and, thus, improves the wood grain quality.
REFERENCES:
patent: 1021676 (1912-03-01), Howard
patent: 1328506 (1920-01-01), Fish
patent: 1810659 (1931-06-01), Kritchevsky et al.
patent: 4233753 (1980-11-01), Olson
patent: 4343095 (1982-08-01), Rosen et al.
Bodkin Robert E.
Gaddis Kenneth D.
Rosen Howard N.
Camby John J.
McConnell David G.
Silverstein M. Howard
The United States of America as represented by the Secretary of
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