RESISTANT LAYER FOR A TOOTHED BELT AND TOOTHED BELT THEREOF
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United States of America Patent
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Issued Date -
Dec 2, 2010
app pub date -
Sep 25, 2008
filing date -
Sep 26, 2007
priority date (Note) -
Abandoned
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Abstract
There is described a resistant layer for a toothed belt and the toothed belt thereof comprising an elastomeric material body, in which a plurality of longitudinal filiform resistant inserts is embedded, and a toothing coated by a coating fabric. A resistant layer is adhered over the coating fabric, the resistant layer increasing the resistance to wear of the toothed belt and comprising an elastomer formed by a mixture of one or more copolymers, obtained from a dien monomer and a nitrile group-containing monomer, and an anti-friction material selected from the group consisting of molybdenum sulphide, copper powder, graphite, preferably in an amount up to 150 phr. The resistant layer is advantageously separate from the fabric and is calendered on the fabric itself.
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