Poly-V belt comprising a layer of thermoplastic material
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United States of America Patent
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Aug 7, 2018
Grant Date -
Feb 16, 2017
app pub date -
Apr 30, 2015
filing date -
Apr 30, 2014
priority date (Note) -
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Abstract
Poly-V belts are disclosed that have a body in an elastomeric material, preferably EPDM, a plurality of durable filiform inserts longitudinally embedded in the body, and a coupling portion integrally connected to the body and comprising a plurality of V-shaped ribs in side by side arrangement alternating with V-shaped grooves. A layer of a thermoplastic material at least partially covers the ribs, and a knitted fabric is arranged over the thermoplastic material. Preferably, the thermoplastic material includes a polyolefin irradiated with a dose amount of radiation between 60 and 140 kGy.
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