APPARATUS FOR PRODUCING MONOFILAMENTS OR RIBBONS
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United States of America Patent
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Issued Date -
Dec 29, 2011
app pub date -
Mar 8, 2010
filing date -
Mar 30, 2009
priority date (Note) -
Abandoned
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Abstract
The invention relates to an apparatus for producing monofilaments or ribbons which are guided in parallel through several treatment devices in an extrusion process. For this purpose, an extrusion device is connected downstream in several treatment device, wherein for guiding the monofilaments or ribbons at least one rod-shaped guide element is provided which has a contact surface for guiding the ribbons or monofilaments. In order to enable low-friction and wear-resistant guidance, in particular when using very elastic monofilaments or ribbons, the contact surface has a multiple coating comprising several coating materials that are applied in several single coatings, each with a different layer thicknesses, wherein the single coatings are formed in a sandwich-like manner on the contact surface.
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