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Title:
V-RIBBED BELT AND USE THEREOF
Document Type and Number:
WIPO Patent Application WO/2019/160055
Kind Code:
A1
Abstract:
The present invention relates to a V-ribbed belt in which a friction transmission surface of a compression rubber layer is coated with a knit fabric. The compression rubber layer is formed of the cured product of a rubber composition containing an ethylene-α-olefin elastomer and carbon black wherein the carbon black contains a soft carbon having a primary particle diameter of at least 40 nm and a hard carbon having a primary particle diameter of less than 40 nm. The ratio between the number of particles of the soft carbon and hard carbon is former/latter = 3/97 to 25/75.

Inventors:
TAKECHI Hiroki (1-21 Hamazoe-dori 4-chome, Nagata-ku, Kobe-sh, Hyogo 24, 〒6530024, JP)
IMAI Hiroki (1-21 Hamazoe-dori 4-chome, Nagata-ku, Kobe-sh, Hyogo 24, 〒6530024, JP)
MITSUTOMI Manabu (1-21 Hamazoe-dori 4-chome, Nagata-ku, Kobe-sh, Hyogo 24, 〒6530024, JP)
Application Number:
JP2019/005406
Publication Date:
August 22, 2019
Filing Date:
February 14, 2019
Export Citation:
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Assignee:
MITSUBOSHI BELTING LTD. (1-21, Hamazoe-dori 4-chome Nagata-ku, Kobe-sh, Hyogo 24, 〒6530024, JP)
International Classes:
F16G5/20; C08K3/04; C08L23/16; F16G5/00; F16G5/06
Foreign References:
JP2014167347A2014-09-11
JP2018009588A2018-01-18
JP2013185678A2013-09-19
JP2003314624A2003-11-06
JP2006322483A2006-11-30
Attorney, Agent or Firm:
EIKOH PATENT FIRM, P.C. (Toranomon East Bldg. 10F, 7-13 Nishi-Shimbashi 1-chome, Minato-k, Tokyo 03, 〒1050003, JP)
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