发明名称 Vibrator type concrete pipe making machines having combined lubrication and cooling system
摘要 A vibrating type concrete pipe making machine, in which very high frequencies of vibration and large inputs may be attained without excessive wear on the mold or shortened bearing life. It also includes lubricant and coolant systems which are combined into a single system.
申请公布号 US4861252(A) 申请公布日期 1989.08.29
申请号 US19880253365 申请日期 1988.09.29
申请人 INTERNATIONAL PIPE MACHINERY CORP. 发明人 GRAU, THOMAS D.
分类号 B06B1/18 主分类号 B06B1/18
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