Abrasive tool making process – material – or composition – Pore forming
Patent
1980-08-21
1983-05-31
Derrington, James H.
Abrasive tool making process, material, or composition
Pore forming
51298, B24D 318
Patent
active
043859070
ABSTRACT:
A resinoid-bonded grinding wheel employing the ultra-hard abrasives such as cubic boron nitride or diamond are formed with a support member which is made of a heat insulating material such as ceramics for preventing a thermal expansion of the grinding wheel and maintaining a precision grinding operation.
REFERENCES:
patent: 2150886 (1939-03-01), Van Der Pyl
patent: 2947617 (1960-08-01), Wentorf
patent: 3276852 (1966-10-01), Lemelson
patent: 3615302 (1971-10-01), Rowse
patent: 3779727 (1973-12-01), Siqui et al.
patent: 3867232 (1975-02-01), Sioui et al.
patent: 4035161 (1977-07-01), Geissler et al.
patent: 4099934 (1978-07-01), Suzuki et al.
Imai Tomoyasu
Kitajima Masato
Suzuki Ikuo
Tomita Tamaki
Derrington James H.
Toyoda Koki Kabushiki Kaisha
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