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:
Feb. 16, 1988
Filed:
Apr. 30, 1986
Applicant:
Inventors:
Makoto Kanehira, Osaka, JP;
Takashi Koizumi, Osaka, JP;
Takerou Nakagawa, Osaka, JP;
Kazumasa Matsuno, Osaka, JP;
Yasumasa Tsubakimoto, Osaka, JP;
Fumio Ochiai, Osaka, JP;
Takashi Tsujimoto, Osaka, JP;
Assignee:
Tsubakimoto Chain Co., Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B21L / ;
U.S. Cl.
CPC ...
59-5 ; 59-8 ; 59901 ; 59-4 ; 59 84 ; 156173 ; 2941 / ;
Abstract
A conveyor or chain having a tubular filament-wound cylindrical element used as the pins interconnecting the link plates and/or as rollers or bushings in the chain assembly. The element is formed from a length of tubular material which is wound on a mandrel having an outside diameter equal to the inside diameter of the tubular element. The filament of the winding is a long aramid fiber which is integrated in the tubular material by an adhesive agent.