Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Richard Rateick, Jr.0
Date of Patent
September 30, 2008
0Patent Application Number
116356380
Date Filed
December 8, 2006
0Patent Primary Examiner
Patent abstract
A method of producing a piston that involves providing a piston body formed of a first material, the piston body having a cylindrical portion having a diameter, a rounded end, and a neck connecting the rounded end to the cylindrical portion and having a diameter less than the diameter of the piston body, cladding a portion of the cylindrical portion with a first tool steel layer, cladding a portion of the rounded end with a second tool steel layer spaced from the first tool steel layer, heat treating the piston body and nitriding the first and second tool steel layers. Also a piston (10) having first (18) and second (22) nitrided, tool steel clad portions.
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