Reversibly necked material
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United States of America Patent
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Oct 23, 1990
Grant Date -
N/A
app pub date -
Sep 23, 1988
filing date -
Sep 23, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A reversibly necked material capable of stretching at least about 75 percent and recovering at least about 50 percent when stretched about 75 percent, typically in a direction generally parallel to the direction of necking. The reversibly necked material is made by applying a tensioning force to at least one material to neck the material, heating the necked material, and cooling the necked material that the reversibly necked material possesses a greater heat of fusion and/or a lower onset of melting than the material before heating while stretched.
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