Head of two welded parts for two-piece articulated piston
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United States of America Patent
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Nov 1, 1994
Issued Date -
N/A
app pub date -
Jan 27, 1994
filing date -
Apr 17, 1990
priority date (Note) -
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Abstract
A method to manufacture an articulated piston head wherein the two portions composing the head, i.e. the top portion and the pin boss portion, are formed separately from blanks of forged or cast chromium-molybdenum steel or a low alloy steel, subjected to preliminary machining operations, joined together by friction welding and then machined to final dimensions.
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