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:
Sep. 13, 1988
Filed:
Sep. 02, 1987
Applicant:
Inventors:
Hitoshi Nobumasa, Otsu, JP;
Kazuharu Shimizu, Otsu, JP;
Assignee:
Toray Industries, Inc., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; B32B / ; B32B / ; B32B / ;
U.S. Cl.
CPC ...
428284 ; 428285 ; 428288 ; 4283111 ; 4283115 ; 428367 ; 428408 ;
Abstract
A light-weight composite material having a laminated structure comprises at least one porous fiber layer constructed of reinforcing short fibers which are distributed in random directions and combined with each other mainly at intersections thereof by carbonized binder and at least one fiber reinforced plastic layer comprising reinforcing fibers and a matrix resin. The composite material can have a low density, high mechanical properties of strength, modulus of elasticity and rigidity.