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:
Jun. 28, 1983
Filed:
Jul. 08, 1981
Applicant:
Inventors:
Shunsuke Matsuda, Osaka, JP;
Yasumasa Komatsu, Sakai, JP;
Assignee:
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B65H / ; G01B / ;
U.S. Cl.
CPC ...
156184 ; 264258 ; 369244 ; 428 36 ; 428408 ;
Abstract
Method of manufacturing a tone arm by superposing a sheet of graphite flakes bound with resin, on a carbon fiber prepreg, winding the resultant double layer product around a core, heat-hardening the resultant assembly, and removing the core to form a pipe-shaped tone arm.