Method for imparting shapes to shape memory alloy wires
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United States of America Patent
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Mar 3, 1992
Grant Date -
N/A
app pub date -
Nov 6, 1989
filing date -
Feb 10, 1989
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method of imparting a particular shape to a wire made of a shape memory alloy, such as a Ni-Ti alloy, which includes the steps of bending the wire inside a tubular body into the particular shape; heating the wire within the tubular body to a temperature sufficient to cause the wire to retain the particular shape; and removing the wire from the tubular body. The tubular body is made of a deformable metal, such as stainless steel or nickel-chrome alloy tubing, and includes a slit therethrough extending in its axial direction. The slit is provided to facilitate bending the tubular body and removing the wire from the tubular body.
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