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US 12,441,091 B2Granted
Friction transmission belt and manufacturing method thereof
AssigneeMitsuboshi Belting Ltd.
InventorsHiroki Takechi, Kouhei Hamamoto
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Abstract
A frictional power-transmission belt having a frictional power-transmission surface covered with a composite fiber layer, in which the composite fiber layer includes a fiber member and an isocyanate compound, and the fiber member includes a cellulose-based fiber. In the frictional power-transmission belt, the isocyanate compound may have a proportion of 3 to 20 mass % in the composite fiber layer.
Claims12
A frictional power-transmission belt having a frictional power-transmission surface covered with a composite fiber layer, wherein
- the composite fiber layer comprises a fiber member and an isocyanate compound, wherein the composite fiber layer does not contain either a resorcin-formaldehyde resin or an epoxy resin,
- the fiber member is a multilayer knitted fabric comprising a cellulose-based fiber and a synthetic fiber,
- the isocyanate compound is a thermally-reactive isocyanate compound,
- the isocyanate compound has a proportion of 5 to 20 mass % in the composite fiber layer, and
- a ratio of the cellulose-based fiber to the synthetic fiber is 80/20 to 50/50 in the fiber member.
2 more elements
Dependencies are inferred from the claim text.