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The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 11674561 B1

PDFFull Text
Date of Patent:
Jun. 13, 2023

Filed:

Apr. 14, 2017

Friction transmission belt

Applicant:

Mitsuboshi Belting Ltd., Kobe, JP;

Inventors:

Hisato Ishiguro, Hyogo, JP;

Takuya Tomoda, Hyogo, JP;

Assignee:

Mitsuboshi Belting Ltd., Kobe, JP;

Attorney:

Banner & Witcoff, Ltd.

Primary Examiner:

Michael R Mansen

Assistant Examiner:

Raveen J Dias

Int. Cl.
CPC ...
F16G 5/08 (2006.01); F16G 5/20 (2006.01); F16G 5/06 (2006.01); F16G 5/04 (2006.01); B32B 3/30 (2006.01); B32B 25/04 (2006.01); C09J 7/24 (2018.01); C09J 7/30 (2018.01); B32B 25/02 (2006.01); B32B 25/10 (2006.01); B32B 25/16 (2006.01); C09J 11/04 (2006.01); B32B 5/02 (2006.01);
U.S. Cl.
CPC ...
F16G 5/08 (2013.01); B32B 3/30 (2013.01); B32B 25/02 (2013.01); B32B 25/042 (2013.01); B32B 25/10 (2013.01); B32B 25/16 (2013.01); C09J 7/24 (2018.01); C09J 7/30 (2018.01); C09J 11/04 (2013.01); F16G 5/04 (2013.01); F16G 5/06 (2013.01); F16G 5/20 (2013.01); B32B 5/02 (2013.01); B32B 2260/021 (2013.01); B32B 2260/048 (2013.01); B32B 2262/0261 (2013.01); B32B 2262/0276 (2013.01); B32B 2264/102 (2013.01); B32B 2264/108 (2013.01); B32B 2307/584 (2013.01); B32B 2307/746 (2013.01); B32B 2433/04 (2013.01); C09J 2411/00 (2013.01); C09J 2411/006 (2013.01);
Abstract

A frictional power transmission belt is provided, containing an adhesion rubber layer in contact with at least a portion of a tension member extending in a longitudinal direction of the belt, in which the adhesion rubber layer is formed of a first vulcanized rubber composition containing a rubber component and a filler, the filler contains substantially no silica and contains 30 parts by mass or more of carbon black based on 100 parts by mass of the rubber component, and the tension member has, on a surface thereof, an overcoat layer formed of a second vulcanized rubber composition containing a rubber component and silica.

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