Spinneret of gold and platinum-containing alloy

D - Textiles – Paper – 01 – D

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D01D 4/02 (2006.01) D01D 4/08 (2006.01) D01F 6/60 (2006.01)

Patent

CA 2182204

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.

L'invention se rapporte à une filière, à géométrie très spécifique, qui présente plus de résistance comparée aux filières généralement utilisées, ainsi qu'à une filière fabriquée dans un alliage métallique spécifique qui présente également une résistance élevée. En combinaison, une filière résiste à des pressions de filage allant jusqu'à 60 000 kPa si elle a une géométrie spécifique et si elle se compose d'un alliage métallique préféré d'or, de platine, de rhodium et de palladium, cet alliage étant exempt de contaminations, et le matériau étant très homogène et, par conséquent, ne présentant pas de seconde phase évidente.

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