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US 12,729,746 B2Granted
Power transmission belt and corresponding transmission system
AssigneeDayco Europe S.R.L.
InventorsMarco Di Meco, Fabio Nardone, Carlo Piermatteo, Massimiliano Delli Rocioli
Life of this patent
Estimating the term…
Abstract
A power transmission belt has a belt body, a plurality of cords embedded in the belt body, a back, and a plurality of teeth. The back and/or the teeth are covered with a covering material that is either a woven fabric or a knitted fabric. At least 60% by weight of the total weight of the belt body is an elastomeric material formed of a mixture of one or more copolymers obtained from a diene monomer and a monomer containing nitrile groups that are modified with a salt of an unsaturated carboxylic acid.
Claims11
A power transmission belt comprising:
- a body,
- a plurality of cords embedded in the body,
- a back, and
- a plurality of teeth or ribs,
- wherein said back or said teeth is covered with a covering,
- wherein the body comprises, for at least 60% by weight with respect to the total weight of the body, an elastomeric material formed of a mixture of one or more copolymers, wherein each copolymer is obtained from a diene monomer, and a monomer containing nitrile groups modified with a salt of an unsaturated carboxylic acid, and the body has a tensile strength of more than 40 MPa.
3 more elements
Dependencies are inferred from the claim text.