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US 9,752,648 B2Granted
Toothed belt
AssigneeThe Gates Corporation
InventorsKeiji Sakamoto, Shinji Uchigashima, Masanao Sakamoto
Life of this patent
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AssigneeThe Gates Corporation
InventorsKeiji Sakamoto, Shinji Uchigashima, Masanao Sakamoto
Estimating the term…
Provided is a toothed belt that has satisfactory durability even under high-temperature and high-load conditions or within an oil or water environment. The toothed belt 10 comprises a belt body 13 including a tooth rubber portion 11 and a backing rubber portion 12. A surface of the tooth rubber portion 11 is covered with a facing fabric 20. The facing fabric 20 is subjected to RFL treatment, and has an outer surface 21 covered with a hardened material of a first epoxy resin. The softening point of the hardened material of the first epoxy resin is, for example, 110° C. or higher. The epoxy equivalent of the first epoxy resin is, for example, 100 to 1500 g/eq. Alternatively, the facing fabric 20 is subjected to impregnation treatment with a treatment agent including a second epoxy resin, a hardener for hardening the second epoxy resin, and a rubber component.
A toothed belt comprising a belt body that includes a tooth portion and a tooth bottom portion alternately provided on one surface side thereof along the longitudinal direction, and a facing fabric which is provided on the one surface of the belt body and has an outer surface covered with a hardened material consisting of a hardened first epoxy resin.
A method of manufacturing a toothed belt having a belt body that includes a tooth portion and a tooth bottom portion alternately provided on one surface side thereof along the longitudinal direction, said method comprising:
Dependencies are inferred from the claim text.