DEVICE AND METHOD FOR PRODUCING STRUCTURED PLASTIC YARNS
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United States of America Patent
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app pub date -
Apr 17, 2015
filing date -
Oct 19, 2012
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Abandoned
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Abstract
A device for producing plastic spirals for use in a machine for producing a fibrous web includes at least two rolls between which an adjustable roll nip is formed. The rolls have a shape which differs in at least one region from a cylinder shape and/or have a surface structure in at least one region on the surface thereof.
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