- 专利标题: Seal member for bearing and production method therefor
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申请号: US16813015申请日: 2020-03-09
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公开(公告)号: US11371611B2公开(公告)日: 2022-06-28
- 发明人: Keiko Ikeda , Yoshihiko Yamaguchi , Tomohisa Yamamoto , Tatsuo Katayama
- 申请人: UCHIYAMA MANUFACTURING CORP.
- 申请人地址: JP Okayama
- 专利权人: UCHIYAMA MANUFACTURING CORP.
- 当前专利权人: UCHIYAMA MANUFACTURING CORP.
- 当前专利权人地址: JP Okayama
- 代理机构: Buchanan, Ingersoll & Rooney PC
- 优先权: JPJP2019-051861 20190319
- 主分类号: F16J15/32
- IPC分类号: F16J15/32 ; F16J15/30 ; B29C37/00 ; F16J15/328 ; F16J15/28
摘要:
There is provided a seal member for a bearing comprising a molded rubber article and a core metal, wherein the molded rubber article is produced by vulcanization-molding a rubber composition comprising 100 parts by mass of a rubber (A) containing an acrylic acid ester as a main component, 1 to 30 parts by mass of a carbon material (B), and 10 to 100 parts by mass of a carbon black (C) having a DBP oil absorption of 20 mL/100 g or more and less than 150 mL/100 g; the carbon material (B) is a carbon nanotube (B1) or a carbon black (B2) having a DBP oil absorption of 150 mL/100 g or more and 1000 mL/100 g or less; and a volume resistivity of the molded rubber article is 1×106 Ω·cm or less.
公开/授权文献
- US20200300363A1 SEAL MEMBER FOR BEARING AND PRODUCTION METHOD THEREFOR 公开/授权日:2020-09-24