US2009100621A1PendingUtilityA1

Brush material

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Assignee: NIIZAKI YUUICHIROPriority: Oct 17, 2007Filed: Oct 17, 2007Published: Apr 23, 2009
Est. expiryOct 17, 2027(~1.2 yrs left)· nominal 20-yr term from priority
Inventors:Yuuichiro NiizakiTomoko NiizakiYunito Niizaki
A46D 1/0207A46D 1/00A46D 1/023
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Claims

Abstract

A brush material includes a resin brush bristle material that is composed of a bundle of plural resin brush bristles each containing a coarse-grained abrasive and having a circular or polygonal section, and a covering layer that contains a powdered abrasive and is provided on a surface of the resin brush bristle material.

Claims

exact text as granted — not AI-modified
1 . A brush material comprising:
 a resin brush bristle material that is composed of a bundle of plural resin brush bristles each containing a coarse-grained abrasive and having a circular or polygonal section; and   a covering layer that contains a powdered abrasive and is provided on a surface of the resin brush bristle material.   
   
   
       2 . The brush material according to  claim 1 , wherein the covering layer has a resin coated thereon, a resin coat wound thereon in a spiral shape or a pipe member of thin resin film mounted thereon. 
   
   
       3 . The brush material according to  claim 1  or  2 , wherein the coarse-grained abrasive has a grain size of F50 to F100, and the powdered abrasive has a grain size of #2,500 to #8,000.

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