The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 21, 1980
Filed:
Jan. 29, 1979
Applicant:
Inventors:
Tamotsu Kai, Saitama, JP;
Michio Tsurumi, Midland, MI (US);
Takashi Sakakiyama, Yokohama, JP;
Kunihiro Horiuchi, Chiba, JP;
Assignee:
Asahi-Dow Limited, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B27K / ;
U.S. Cl.
CPC ...
428541 ; 34-95 ; 34 134 ; 34 138 ; 428537 ;
Abstract
A dry wood material free from seasoning check is produced with good yield from undried wood material with water content of 50 to 200% by drying the undried wood material while controlling the rate of evaporation of water from the undried wood material by providing on its surface a barrier layer having a water vapor permeability in the specific range from 10 to 100 g/m.sup.2.day.