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:
May. 01, 1984
Filed:
Oct. 23, 1981
Applicant:
Inventors:
Yasuo Miyadera, Shimodate, JP;
Atsushi Fujioka, Shimodate, JP;
Tetsuo Kumazawa, Ibaraki, JP;
Doi Hiroaki, Ibaraki, JP;
Assignees:
Hitachi Chemical Company, Ltd., Tokyo, JP;
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428245 ; 428246 ; 428251 ; 428252 ; 428257 ; 428284 ; 428285 ; 428287 ; 428298 ; 428457 ;
Abstract
A laminate produced by molding under heat and pressure a plurality of prepregs obtained by impregnating a resin into a composite fabric, either woven or nonwoven, comprising aromatic polyamide fibers and glass fibers has a low linear expansion coefficient and excellent interlaminar strength.