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:
Jun. 04, 2002
Filed:
Mar. 23, 2000
Applicant:
Inventors:
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B21K 1/18 ;
U.S. Cl.
CPC ...
B21K 1/18 ;
Abstract
In a method for producing a valve seat for a cylinder head of an internal combustion engine made of an aluminum metal alloy as the base material, an added material is fused by a laser beam with the base material of the cylinder head at the point at which the valve seat is to be formed. An alloy or a mixture of an aluminum-silicon alloy and nickel as well as at least one additional component is used as added material.