Method And Device For Producing A Grass Yarn
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United States of America Patent
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app pub date -
Aug 5, 2010
filing date -
Aug 17, 2009
priority date (Note) -
Abandoned
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Abstract
The invention relates to a method and a device for producing a grass yarn for artificial turf. A film is produced from a polymer material in an extrusion process and divided into individual strips. The strips are crimped before being coiled into spools. The aim of the invention is to achieve a structure which particularly matches natural grass. According to the invention, this is achieved in that the film or the strips are fibrillated by a needle roller before crimping and the strips are separated after on and individually crimped independently of each other.
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Cited Art Landscape
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