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. 18, 1982
Filed:
Sep. 28, 1979
Applicant:
Inventor:
Shigesaburo Nakagawa, Ichikawa, JP;
Assignee:
Nakawa Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
B23P / ;
U.S. Cl.
CPC ...
291606 ; 29436 ; 29458 ;
Abstract
A method for manufacturing a spring ring to be electroplated in subsequent processes wherein, on the occasion of assembling a movable core member to open and close a opening of a link body and a spring to push the said movable core member in a direction to close the said opening in a circular and tubular link body opened at one end and brazed with a ring on another, the spring is previously coated with a electrically non-conducting film by means of a coating treatment and then assembled into the said tubular link body.
Nakagawa, Shigesaburo. (1982). Method for manufacturing a spring ring to be electroplated (U.S. Patent No. 4329765). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4329765
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile