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:
Mar. 21, 1989
Filed:
Jan. 27, 1988
Applicant:
Inventors:
Akihiro Watanabe, Hashima, JP;
Shigeo Mori, Kuwana, JP;
Assignee:
NGK Insulators, Ltd., Nagoya, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01B / ; H01B / ; H01B / ;
U.S. Cl.
CPC ...
174189 ; 174182 ; 174211 ;
Abstract
The disclosed anticorrosive insulator has an insulator body with a shed radially extending from a central core thereof and a metal cap cemented to the core of the insulator body so as to cover the core. A gap of 2-10 mm is provided between the lower end of the metal cap and the upper surface of the shed. A recess may be formed on the lower end of the cementing agent layer between the metal cap and the core of the insulator body, which recess extends away from the upper surface of the shed.