US 12,253,141 B2
V-ribbed belt
Shogo Kobayashi, Kobe (JP); and Yuya Shindo, Kobe (JP)
Assigned to BANDO CHEMICAL INDUSTRIES, LTD., Kobe (JP)
Filed by BANDO CHEMICAL INDUSTRIES, LTD., Kobe (JP)
Filed on Mar. 25, 2022, as Appl. No. 17/704,158.
Claims priority of application No. 2021-061066 (JP), filed on Mar. 31, 2021.
Prior Publication US 2022/0316554 A1, Oct. 6, 2022
Int. Cl. F16G 5/20 (2006.01); F16G 5/08 (2006.01)
CPC F16G 5/20 (2013.01) [F16G 5/08 (2013.01)] 9 Claims
OG exemplary drawing
 
1. A V-ribbed belt comprising a plurality of V-shaped ribs, wherein
each of the plurality of V-shaped ribs includes a V-shaped rib body formed from a rubber composition and a rib-side reinforcing fabric covering a surface of the V-shaped rib body on the belt inner peripheral side such that the rib-side reinforcing fabric is inclined relative to a longitudinal direction of the belt,
the rib-side reinforcing fabric is a woven fabric containing a first fiber and a second fiber,
at least the first fiber is inclined relative to the longitudinal direction of the belt, and
an angle of a direction of the first fiber with respect to the longitudinal direction of the belt is not less than 10° and not greater than 25°.