Toothed belt comprising a resistant layer and resistant layer thereof
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United States of America Patent
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Oct 14, 2014
Grant Date -
Oct 7, 2010
app pub date -
Sep 25, 2008
filing date -
Sep 26, 2007
priority date (Note) -
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Abstract
There is described a toothed belt 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 that increases the resistance to abrasion and thus the resistance to wear of the toothed belt is adhered over the coating fabric. The resistant layer comprises a vulcanization agent and more than 75% of an elastomer formed by at least one copolymer modified with an unsaturated carboxylic acid salt and obtained from a dien monomer and a nitrile group-containing monomer. The resistant layer is advantageously separated from the fabric and is calendered on the fabric itself.
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