	US 12,404,909 B2
	Friction pair
Sota Funamoto, Gunma-ken (JP); and Kenta Kurimoto, Gunma-ken (JP)
Assigned to NISSHINBO BRAKE, INC., Tokyo (JP)
Appl. No. 18/009,723
Filed by NISSHINBO BRAKE, INC., Tokyo (JP)
PCT Filed Jun. 9, 2021, PCT No. PCT/JP2021/021878 § 371(c)(1), (2) Date Dec. 10, 2022, PCT Pub. No. WO2021/256337, PCT Pub. Date Dec. 23, 2021.
Claims priority of application No. 2020-103800 (JP), filed on Jun. 16, 2020.
Prior Publication US 2023/0235803 A1, Jul. 27, 2023
Int. Cl. B28B 1/54 (2006.01); F16D 65/092 (2006.01); F16D 69/02 (2006.01); F16D 65/12 (2006.01)

CPC F16D 69/026 (2013.01) [F16D 65/092 (2013.01); F16D 65/125 (2013.01); F16D 2200/0021 (2013.01); F16D 2200/006 (2013.01)]

6 Claims

1. A friction couple comprising:

a disc brake pad including a friction material manufactured from a friction material composition comprising a binder, a fiber base, and a friction modifier, wherein the friction material composition is free of both a copper component and a ferrous metallic fiber; and

a stainless steel disc rotor,

wherein the friction material composition contains 20-30 weight % of a titanate, relative to an entire friction material composition as an inorganic friction modifier, and

wherein the friction material composition does not include any friction modifier having a Mohs hardness of 4 or less and being cleavable.