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:
Jan. 26, 1982
Filed:
May. 22, 1980
Applicant:
Inventor:
Richard L Comer, Findlay, OH (US);
Assignee:
Bendix Autolite Corporation, Fostoria, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01C / ;
U.S. Cl.
CPC ...
29611 ; 29613 ; 29520 ; 219267 ; 219270 ; 361266 ;
Abstract
The invention is a method of making a pressure tight seal for a glow plug characterized by applying a high current to heat a groove (31) in the outer shell (3) of a glow plug while simultaneously pressing together the sealing elements adjacent the groove i.e. an insulator (2), a gasket (1), the flared end (42) of a protective tube (4) and a shoulder (32) within the shell (3). The grooves (31) concentrates the heat and allows the shell to be compressed around the elements of the seal.