Method for manufacturing a dome from an undersized blank
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United States of America Patent
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Mar 13, 2001
Grant Date -
N/A
app pub date -
Oct 20, 1999
filing date -
Apr 27, 1998
priority date (Note) -
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Abstract
Disclosed is a method of forming a dome from a substantially round blank having a surface area smaller than the surface area of the dome. The method includes the steps of shear forming the blank to form a deformed blank, spin stretching the deformed blank in selected areas along its circumference to form a stretched blank, inside spinning the stretched blank into a rough dome, final dome spinning the rough dome into the finished dome, and flange spinning the dome.
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