Forming of metal articles
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United States of America Patent
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Feb 24, 1987
Grant Date -
N/A
app pub date -
Aug 23, 1985
filing date -
Aug 25, 1984
priority date (Note) -
Expired
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Abstract
Metal articles are shaped by contacting a metal blank with a diaphragm of plastically deformable metal which may be superplastic aluminium and urging the diaphragm against the blank and against a mould so that the diaphragm and body are deformed. The mould may be male or female. Thin metal articles of complex shape may be made easily and cheaply.
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