Method of selective plastic expansion of sections of a tubing
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United States of America Patent
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Jul 16, 2002
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N/A
app pub date -
Apr 9, 1999
filing date -
Apr 9, 1999
priority date (Note) -
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Abstract
A method of selective plastic expansion of sections of a tubing to create one or more recesses in the tubing with a larger diameter than that of the original tubing in which the tubing is radially symmetrically or asymmetrically expanded at one or more locations by application of a radial force to the interior of the tubing thereby inducing a plastic radial deformation of the tubing and removing said radial force from the interior of the tubing.
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