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. 28, 1982
Filed:
Jun. 06, 1979
Applicant:
Inventor:
Michael J Davies, Wantage, GB;
Assignee:
United Kingdom Atomic Energy Authority, London, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01T / ;
U.S. Cl.
CPC ...
29 2512 ;
Abstract
A method of making a spark plug which is suitable for use in an internal combustion engine. The method comprises the steps of providing a tubular outer sheath of corrosion and erosion resistant metal and locating a thermally conductive core in the bore of the sheath. The sheath is worked down onto the core and the exposed end of the core is covered over by melting the outer sheath.