Thin wall casting and process
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United States of America Patent
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-
Jun 25, 1996
Grant Date -
N/A
app pub date -
May 17, 1994
filing date -
May 17, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Thin wall lightweight panels which are subjected to high temperature solutioning and rapid quenching to impart high strength properties without distortion, warping or oil-canning. The panels are produced by casting in a mold cavity having an interconnected recess network which surrounds thin wall-forming areas and distributes molten metal uniformly thereto. The recess network forms a waffle pattern reinforcing rib network surrounding the thin-wall areas, lending strength and dimensional stability thereto during the heat treatment and quenching steps, to prevent distortion, warping and oil-canning.
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