Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
ABRASIVE
Document Type and Number:
WIPO Patent Application WO/2017/217108
Kind Code:
A1
Abstract:
This abrasive is provided with a backing sheet and an abrasive layer laminated on the front surface of the backing sheet and comprising abrasive grains and a binder therefor. Said abrasive layer is divided along the polishing direction and has multiple kinds of abrasive regions of differing depths of wear in the Taber abrasion test. The ratio of the depths of wear of the abrasive region of greater depth of wear with respect to the abrasive region of smaller depth of wear of a pair of adjacent abrasive regions is 1.1 to 7. Preferably, there are two kinds of the abrasive regions that are disposed alternately in the polishing direction and preferably, each abrasive region is of a size that can enclose a 5 cm diameter circle in planar view.

Inventors:
SAITO Kazuo (6-6, Minatojima-Minamimachi 4-chome, Chuo-ku, Kobe-sh, Hyogo 47, 〒6500047, JP)
SHIMOYAMA Kenji (6-6, Minatojima-Minamimachi 4-chome, Chuo-ku, Kobe-sh, Hyogo 47, 〒6500047, JP)
IWANAGA Tomoki (6-6, Minatojima-Minamimachi 4-chome, Chuo-ku, Kobe-sh, Hyogo 47, 〒6500047, JP)
SASASHIMA Keisuke (6-6, Minatojima-Minamimachi 4-chome, Chuo-ku, Kobe-sh, Hyogo 47, 〒6500047, JP)
TAKAGI Daisuke (6-6, Minatojima-Minamimachi 4-chome, Chuo-ku, Kobe-sh, Hyogo 47, 〒6500047, JP)
HACHIDA Tomoki (6-6, Minatojima-Minamimachi 4-chome, Chuo-ku, Kobe-sh, Hyogo 47, 〒6500047, JP)
TAURA Toshikazu (6-6, Minatojima-Minamimachi 4-chome, Chuo-ku, Kobe-sh, Hyogo 47, 〒6500047, JP)
Application Number:
JP2017/015617
Publication Date:
December 21, 2017
Filing Date:
April 18, 2017
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
BANDO CHEMICAL INDUSTRIES, LTD. (6-6 Minatojima-Minamimachi 4-chome, Chuo-ku Kobe-sh, Hyogo 47, 〒6500047, JP)
International Classes:
B24D11/00; B24D3/02; B24D11/04
Foreign References:
JP2004034199A2004-02-05
JPS5244478B21977-11-08
JP4262226B22009-05-13
JPS49132688A1974-12-19
JPS5796780A1982-06-16
JP2011031361A2011-02-17
JPH1058331A1998-03-03
Attorney, Agent or Firm:
AMANO Kazunori (6th Floor Fujikogyo-Nishimotomachi Building, 1-18, Aioi-cho 1-chome, Chuo-ku, Kobe-sh, Hyogo 25, 〒6500025, JP)
Download PDF: