Silver yarn, plied yarn silver yarn, functional fabric using same, and method for producing same
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United States of America Patent
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Oct 8, 2013
Grant Date -
Mar 15, 2012
app pub date -
May 20, 2010
filing date -
May 20, 2009
priority date (Note) -
In Force
status (Latency Note)
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Abstract
The present invention relates to plied silver yarn using silver wire as thread, wherein the silver wire is entirely made of silver (Ag) or a silver alloy, to achieve antimicrobial properties and conductivity, as well as to functional fabric using same and to a method for producing same. The plied silver yarn of the present invention uses, as a core yarn, any one of at least one strand of silver wire and fiber yarn made from natural fiber or synthetic fiber, and uses the other as winding yarn covering the core yarn, wherein said one strand of silver wire is produced by casting a silver alloy containing pure silver or copper into a wire rod through directional solidification, and making the wire rod into a microfiber having a diameter of 0.015 to 0.05 mm through a pulling process.
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