BRAKE DISC FOR RAILWAY VEHICLE - HIGASHI NIPPON RYOKAKU TETSUDO

Title:

BRAKE DISC FOR RAILWAY VEHICLE

Document Type and Number:

WIPO Patent Application WO/2018/173869

Kind Code:

A1

Abstract:

This brake disc 10 is equipped with a disc plate part 10a on the front surface of which is a sliding portion, and through-holes 12, which run from the front surface to the back surface of the disc plate part, and through which bolts for fastening the disc plate part and the wheels of a railway vehicle pass. Slanted surfaces, which broaden more in the circumferential direction of the disc plate part than the radial direction of the disc plate part, are provided at the edge of the opening of the through-holes on the front-surface side of the disc plate part.

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Inventors:

SHIRAISHI NOBUO (JP)
WAKABAYASHI YUSUKE (JP)
KURITA TAKESHI (JP)
SAKAGUCHI ATSUSHI (JP)
FUJIMOTO TAKAHIRO (JP)
NOGAMI HIROSHI (JP)
KATO TAKANORI (JP)
ICHIKAWA YUKI (JP)

Application Number:

PCT/JP2018/009870

Publication Date:

September 27, 2018

Filing Date:

March 14, 2018

Export Citation:

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Assignee:

HIGASHI NIPPON RYOKAKU TETSUDO (JP)
NIPPON STEEL & SUMITOMO METAL CORP (JP)

International Classes:

F16D65/12; B61H5/00

Foreign References:

JP4595581B2	2010-12-08
JP3919061B2	2007-05-23
JP2007205428A	2007-08-16

Attorney, Agent or Firm:

KOYO INTERNATIONAL PATENT FIRM (JP)

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