The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 25, 2020
Filed:
Mar. 20, 2018
Taimei Chemicals Co., Ltd., Nagano, JP;
Xebec Technology Co., Ltd., Tokyo, JP;
Suguru Matsushita, Nagano, JP;
Norihiko Sumiyoshi, Tokyo, JP;
TAIMEI CHEMICALS CO., LTD., Nagano, JP;
XEBEC TECHNOLOGY CO., LTD., Tokyo, unknown;
Abstract
A brush-like grinding stone () in a polishing brush () includes a brush holder () and a linear member aggregate () detachably held in the brush holder (). The linear member aggregate () includes a large number of bundles () of the linear members () obtained by hardening aggregated yarn of inorganic filaments impregnated with a resin, and a brush holder () holding ends of the bundles (). A linear member holder () in the linear member aggregate () is detachably attached to each of a plurality of holding holes () that is open in one side in an axial line direction L. In a case where any of the linear member aggregates has a failure, such as breakage, only the failed linear member aggregate needs to be replaced. Thus, it is not necessary to discard the entire brush-like grinding stone. Consequently, the polishing cost can be reduced.