Spinneret of gold and platinum-containing alloy
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United States of America Patent
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Mar 31, 1998
Grant Date -
N/A
app pub date -
Jul 30, 1996
filing date -
Jan 31, 1994
priority date (Note) -
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Abstract
The invention relates to a spinneret of a very specific geometry which provides more strength compared with the commonly applied spinnerets, and to a spinneret made of a specific metal alloy which also provides a further high strength. In combination, a spinneret is resistant to spinning pressures up to 60.000 kPa if it is made of the specific geometry and made of the preferred metal alloy of gold, platinum, rhodium and palladium, which does not comprise contaminations and which material is very homogeneous and thus does not show an obvious second phase.
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