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经营范围
发明名称
Ultrasonic grinder
摘要
Materials such as coal, rock, etc. are comminuted by a combination of mechanical comminution forces and ultrasonic vibratory energy which creates cyclic fatigue stresses in the material being treated.
申请公布号
US4131238(A)
申请公布日期
1978.12.26
申请号
US19770833632
申请日期
1977.09.15
申请人
ENERGY AND MINERALS RESEARCH CO.
发明人
TARPLEY, JR., WILLIAM B.
分类号
B02C4/28;B02C4/42;B02C19/18;(IPC1-7):B02C19/18
主分类号
B02C4/28
代理机构
代理人
主权项
地址
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