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Patent Searching and Data


Title:
POLISHING BRUSH UNIT AND POLISHING BRUSH
Document Type and Number:
WIPO Patent Application WO/2017/187485
Kind Code:
A1
Abstract:
A polishing brush unit (1) comprises a polishing brush 2 having: a spindle (5) that has a rear end connected to a machine tool; a plurality of abrasive material bundles (6) made by bundling a plurality of linear abrasive materials (18) which extend in the direction of the axis (L) of the spindle (5); and a holder (9) that is detachably fixed to the spindle (5), and is provided with a spindle hole (7) into which the spindle (5) is inserted in the longitudinal direction X and a holding portion (8) which holds the rear ends of the plurality of abrasive material bundles (6) arranged annularly around the axis (L). The polishing brush unit (1) is also equipped with an abrasive material displacement restricting member (3) which is provided with: an outside restriction portion (56) that is located on the outer peripheral side of the plurality of abrasive material bundles (6) between the holder (9) and the front ends of the abrasive material bundles (6) in the longitudinal direction X so as to restrict the displacement of the front ends of the abrasive material bundles (6) to the outer peripheral side; and a fixed portion (41) that is fixed on the spindle (5) to the front of the holder (9).

Inventors:
MATSUSHITA Suguru (3685-2, Minamiminowa-mura, Kamiina-gu, Nagano 97, 〒3994597, JP)
SATO Youichi (7-25, Koujimachi 1-chome, Chiyoda-k, Tokyo 83, 〒1020083, JP)
Application Number:
JP2016/062944
Publication Date:
November 02, 2017
Filing Date:
April 25, 2016
Export Citation:
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Assignee:
TAIMEI CHEMICALS CO., LTD. (3685-2, Minamiminowa-mura Kamiina-gu, Nagano 97, 〒3994597, JP)
XEBEC TECHNOLOGY CO., LTD. (7-25, Koujimachi 1-chome Chiyoda-k, Tokyo 83, 〒1020083, JP)
International Classes:
B24D13/14; A46B9/10; B24B29/00
Domestic Patent References:
2004-01-29
2015-03-19
Foreign References:
JP2015131362A2015-07-23
JPS6285361U1987-05-30
JP2014079850A2014-05-08
JPH08317608A1996-11-29
JPS4874276U1973-09-14
Attorney, Agent or Firm:
KAWAI Toru et al. (4-16, HabaueMatsumoto-sh, Nagano 17, 〒3900817, JP)
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