Composition for use as self-locking agent and self-locking member using the same
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United States of America Patent
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Feb 26, 2008
Grant Date -
Mar 3, 2005
app pub date -
Oct 25, 2002
filing date -
Oct 26, 2001
priority date (Note) -
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status (Latency Note)
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Abstract
A composition for use as a self-locking agent is provided which comprises an aqueous dispersion of the following ingredients dissolved and dispersed in water: (a) a polyamide powder insoluble or slightly soluble in water, (b) an isocyanate compound, (c) a surfactant and (d) a water-soluble polyamide. The composition permits a polyamide resin layer of a smooth surface to be formed on a screw surface of a to-be-coated member. With use of the composition, it is possible to prevent slippage and sagging of the resin layer coated on the screw surface and improve the precision in resin coating processing.
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