Belt having a tension member, in particular a carbon tension member, which is prepared with a cross-linked polyurethane, and preparation method
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United States of America Patent
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Jul 5, 2016
Grant Date -
Aug 28, 2014
app pub date -
May 2, 2014
filing date -
Nov 2, 2011
priority date (Note) -
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Abstract
A belt comprises at least a belt body made of a polymer material having elastic properties, the belt including a cover layer as a belt backing, a substructure having a force-transmission zone, and a tension member in a ribbed design embedded in the belt body. The tension member is prepared with a cross-linked polyurethane in such a way that the polyurethane fills at least part of the tension member cavities. The polyurethane filling material enters into a mechanical connection to the tension member on the one hand and an adhesive connection to the belt body on the other hand. The polyurethane filling material has a Shore A hardness that is 0.5 to 10 times harder than the Shore A hardness of the belt body. The belt body is preferably likewise made of cross-linked polyurethane, in particular using a carbon tension member.
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