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:
Jun. 06, 1995
Filed:
Mar. 31, 1993
Applicant:
Inventors:
Ritsuo Iwata, Hamamatsu, JP;
Hirotoshi Takahashi, Hamamatsu, JP;
Satoshi Suzuki, Hamamatsu, JP;
Shiro Hanao, Hamamatsu, JP;
Assignee:
Yamaha Corporation, Shizuoka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B27N / ; B27N / ; B32B / ;
U.S. Cl.
CPC ...
428218 ; 428302 ; 428464 ; 428508 ; 428509 ; 428516 ; 428524 ; 428535 ; 428920 ; 428921 ;
Abstract
Wood fiber, inorganic cellular material, flame retardant and an organic binder for binding these materials, are mixed together and hot press formed to give a wood based panel. The resultant panel has a wood like texture, is light weight, has excellent sound absorption properties, and is semi-incombustible, and has a good insulating property for use as a wall or ceiling material.