Method of squeeze forming metal articles
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United States of America Patent
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Feb 18, 1986
Grant Date -
N/A
app pub date -
Dec 7, 1984
filing date -
Apr 26, 1983
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A squeeze formed aluminum alloy article, such as a piston, is formed with a re-entrant cavity (14) by locating an isostatically compacted salt core (10) in the mould cavity of the squeeze forming press prior to introduction of the molten metal therein. The core (14) is subsequently dissolved from the squeeze formed article to provide a corresponding shape to the article which does not require subsequent machining.
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