Title:
TOOTHED BELT MADE OF RUBBER, AND RUBBER COMPOSITION
Document Type and Number:
WIPO Patent Application WO/2020/110907
Kind Code:
A1
Abstract:
The present invention pertains to a toothed belt that is made of rubber and comprises: a belt body including a plurality of tooth sections formed of a first rubber composition and provided at a predetermined interval in a longitudinal direction, a back section formed of a second rubber composition and integrated with the tooth sections, and core wires embedded in the back section in the longitudinal direction; and a tooth cloth covering the surfaces of the plurality of tooth sections, wherein the first rubber composition forming the tooth sections contains a composite polymer containing a hydrogenated nitrile rubber and a metal salt of an unsaturated carboxylic acid at a mass ratio (former/latter) of 100/80-100/180, and with respect to 100 parts by mass of the composite polymer, the first rubber composition contains 3-50 parts by mass of zinc oxide, 3-50 parts by mass of a non-reinforcing filler, 10 parts by mass or less of a reinforcing filler, 5 parts by mass or less of short fibers, and 1-5 parts by mass of an organic peroxide.
Inventors:
MITSUTOMI MANABU (JP)
Application Number:
PCT/JP2019/045631
Publication Date:
June 04, 2020
Filing Date:
November 21, 2019
Export Citation:
Assignee:
MITSUBOSHI BELTING LTD (JP)
International Classes:
F16G1/28; C08K3/013; C08K3/04; C08K3/22; C08K3/26; C08K3/36; C08K5/098; C08L15/00
Foreign References:
| JP2018185041A | 2018-11-22 | |||
| JP2011122719A | 2011-06-23 | |||
| JP2016183779A | 2016-10-20 | |||
| JP2007071228A | 2007-03-22 | |||
| JP2011122719A | 2011-06-23 | |||
| JP2018221012A | 2018-11-27 | |||
| JP2019194368A | 2019-11-07 |
Other References:
See also references of EP 3889460A4
Attorney, Agent or Firm:
EIKOH PATENT FIRM, P.C. (JP)
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