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:
Apr. 18, 1978
Filed:
Jun. 30, 1976
Applicant:
Inventors:
Tadashi Fukuwatari, Tokyo, JA;
Kiyotaka Mishima, Kawasaki, JA;
Hiroshi Ichimura, Ichikawa, JA;
Hideaki Kurihara, Yokohama, JA;
Assignee:
Asahi Glass Company, Ltd., Tokyo, JA;
Primary Examiner:
Int. Cl.
CPC ...
D21F / ; D21F / ; B28B / ;
U.S. Cl.
CPC ...
162145 ; 106 99 ; 162154 ; 162156 ; 162225 ; 264 86 ; 264333 ;
Abstract
A process for preparing glass fiber-reinforced cement sheets by dewatering a slurry wherein at least one member selected from asbestos, cotton, flax, hemp, wool, or silk fibers is added to the aqueous cement-glass fiber slurry. The sheets so produced have increased bending strengths and improved peeling resistance.