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:
Nov. 11, 1997
Filed:
Aug. 02, 1994
Applicant:
Inventors:
Takeshi Oguri, Shizuoka-ken, JP;
Masanobu Wakita, Shizuoka-ken, JP;
Masahito Yamauchi, Shizuoka-ken, JP;
Toshio Hisano, Gyoda, JP;
Yoshiyuki Takezawa, Gyoda, JP;
Masahiro Arai, Gyoda, JP;
Assignees:
Toho Rayon Co., Ltd., Tokyo, JP;
Showa Corporation, Gyoda, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16F / ; B29C / ;
U.S. Cl.
CPC ...
267148 ; 267166 ;
Abstract
In a carbon fiber reinforced resin coil spring the carbon fibers A,B are oriented at an angle of .+-.30.about..+-.60.degree. relative to the axis of the cord of the spring. Further, the ratio A/B of the amount of the fibers A oriented in the compression direction and the fibers B oriented in the tension direction lies within the range of;