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:
Sep. 08, 1998
Filed:
Feb. 26, 1997
Applicant:
Inventor:
Shigeo Ishino, Niwa-Gun, JP;
Assignee:
NGK Insulators, Ltd., , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C / ; B29C / ;
U.S. Cl.
CPC ...
264261 ; 264275 ; 264D / ;
Abstract
The disclosed method of producing a composite insulator having a core portion, a sheath portion arranged on an outer surface of the core portion, and a plurality of shed portions projected from the sheath portion by using a die and heating the die, includes a step of cooling both end portions of the core portion. In the disclosed method, it is possible to provide a method in which cracks are not generated in the both end portions of the core portion during producing.
Ishino, Shigeo. (1998). Method of producing composite insulator (U.S. Patent No. 5804122). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5804122
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile