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. 10, 1994
Filed:
Apr. 29, 1992
Applicant:
Inventors:
Assignee:
Sumitomo Chemical Company, Limited, Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23P / ;
U.S. Cl.
CPC ...
29432 ; 29525 ; 464181 ; 403282 ; 403359 ;
Abstract
A drive shaft made of fiber reinforced plastic includes pipe made of fiber reinforced plastic to which a fitting is connected. A connecting portion of the fiber-reinforced resin-made pipe and a connecting portion of the fitting engage each other through the bite of serrations formed on the outer side or inner side of the fitting, with a film, e.g., a metallic foil, being interposed therebetween.