V-ribbed belt
A V-ribbed belt includes a plurality of V-shaped ribs, 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, the rib-side reinforcing fabric is a woven fabric containing a first fiber and a second fiber, and in the woven fabric, at least either the first fiber or the second fiber is inclined relative to a longitudinal direction and a width direction of the belt.
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°.
2. The V-ribbed belt according to claim 1 , wherein
the first fiber is more difficult to stretch than the second fiber.
3. The V-ribbed belt according to claim 1 , wherein the rib-side reinforcing fabric has a thickness of not less than 0.1 mm and not greater than 0.8 mm.
4. The V-ribbed belt according to claim 2 , wherein the rib-side reinforcing fabric has a thickness of not less than 0.1 mm and not greater than 0.8 mm.
5. The V-ribbed belt according to claim 1 , wherein the woven fabric contains a cellulose-based fiber as a main fiber.
6. The V-ribbed belt according to claim 2 , wherein the woven fabric contains a cellulose-based fiber as a main fiber.
7. The V-ribbed belt according to claim 3 , wherein the woven fabric contains a cellulose-based fiber as a main fiber.
8. The V-ribbed belt according to claim 1 , wherein at least one of the first fiber and the second fiber is a cellulose-based fiber or a covering yarn having the cellulose-based fiber wrapped around an elastic yarn.
9. 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,
the rib-side reinforcing fabric is a woven fabric containing a first fiber and a second fiber, wherein at least one of the first fiber and the second fiber is a cellulose-based fiber or a covering yarn having the cellulose-based fiber wrapped around an elastic yarn, and
in the woven fabric, at least either the first fiber or the second fiber is inclined relative to a longitudinal direction and a width 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°.