Abrasive tool making process – material – or composition – Laminating
Reexamination Certificate
2005-01-25
2005-01-25
Marcheschi, Michael (Department: 1755)
Abrasive tool making process, material, or composition
Laminating
C051S295000, C051S307000, C051S308000, C051S309000, C051S293000
Reexamination Certificate
active
06846340
ABSTRACT:
A method of manufacturing a grinding wheel which includes a cylindrical core body and a plurality of part-cylindrical abrasive segment chips bonded to an outer circumferential surface of the cylindrical core body. The method includes: a firing step of firing an unfired part-cylindrical precursor to prepare each part-cylindrical abrasive segment chips, by using a supporting member whose coefficient of thermal expansion is different from that of each abrasive segment chip; and a bonding step of bonding the abrasive segment chips to the outer circumferential surface of the cylindrical core body with an adhesive interposed therebetween, by forcing each abrasive segment chip against the outer circumferential surface of the cylindrical core body, such that a force acting on the outer circumferential surface of the cylindrical core body is evenly distributed in an axial direction of the cylindrical core body while the adhesive is being hardened.
REFERENCES:
patent: 6074278 (2000-06-01), Wu et al.
patent: 6102789 (2000-08-01), Ramanath et al.
patent: 102 08 423 (2002-10-01), None
Kubota Yasuteru
Nonogawa Takeshi
Yoshida Kazumasa
Marcheschi Michael
Noritake Co. Ltd.
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