Abrasive tool making process – material – or composition – Impregnating or coating an abrasive tool
Reexamination Certificate
2006-05-16
2006-05-16
Marcheschi, Michael A. (Department: 1755)
Abrasive tool making process, material, or composition
Impregnating or coating an abrasive tool
C051S307000, C051S308000, C051S309000, C451S443000, C451S539000, C451S540000, C451S028000, C451S072000
Reexamination Certificate
active
07044990
ABSTRACT:
A vitrified bond tool including: (a) a support body; (b) a vitrified bond layer which is formed on a working surface of the support body; and (c) a plurality of abrasive grains which are held by the vitrified bond layer so as to be fixed relative to the working surface of the support body and which are spaced apart from each other with spacing between the adjacent ones of the abrasive grains. This vitrified bond tool is advantageously manufactured according to a method including the steps of (i) forming a pattern layer which includes a vitrified bond, in a predetermined pattern on the working surface of the support body; (ii) sprinkling the abrasive grains over the pattern layer before the pattern layer is dried; and (iii) firing the pattern layer and the abrasive grains which are bonded to the pattern layer and are arranged in the predetermined pattern on the working surface of the support body.
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Fujii Tsuyoshi
Ishizaki Junji
Ito Kenji
Watanabe Kimihiro
Marcheschi Michael A.
Noritake Co., Limited
Oliff & Berridg,e PLC
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