公开(公告)号：US11009092B2

公开(公告)日：2021-05-18

申请号：US16633802

申请日：2018-07-23

Applicant: ADVICS CO., LTD.

Inventor： Shusuke Suzuki ,  Naoki Odani ,  Masaaki Kobayashi

IPC: F16D69/02 ,  C09K3/14 ,  B29K507/04

Abstract: A friction material which comprises a fibrous base, a binder, a lubricating material, an organic filler, and an inorganic filler, the friction material having a copper element content of 0.5 wt % or less with respect to the whole friction material, wherein the lubricating material comprises graphite having an average particle diameter of 10.0 μm or smaller and the inorganic filler includes barium sulfate, which comprises small-diameter barium sulfate having an average particle diameter of 1.5 μm or smaller and a purity of 95.0% or higher.

公开(公告)号：US12209629B2

公开(公告)日：2025-01-28

申请号：US17637367

申请日：2020-08-19

Applicant: ADVICS CO., LTD.

Inventor： Shusuke Suzuki ,  Naoki Odani ,  Masaaki Kobayashi

IPC: F16D69/02 ,  C04B111/00 ,  C08K3/16 ,  C08K3/22

Abstract: A friction member according to an embodiment is a friction material having a copper content of less than 5 wt %, the friction material including a titanic acid salt having a content of 1 wt % or more and 8 wt % or less, a cryolite powder having a content of 0.5 wt % or more and 5 wt % or less, and an iron oxide powder having a median diameter of 15 to 30 μm (D50) and a content of 1 wt % or more and 10 wt % or less.