Moulded article made of polytetrafluoroethylene
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United States of America Patent
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Dec 16, 1997
Grant Date -
N/A
app pub date -
Sep 29, 1994
filing date -
Jul 30, 1993
priority date (Note) -
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Abstract
Bicomponent moulded article made of polytetrafluoroethylene (PTFE) which, in the manner of the side-by-side type, is composed of two PTFE components which shrink under the effect of heat and differ in their hot-air shrinkage by at least 1%. A preferred embodiment is in the form of a fibre which can be crimped under heat treatment. (FIG. 1)
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