Vibrator type concrete pipe making machines having combined lubr

Plastic article or earthenware shaping or treating: apparatus – Control means responsive to or actuated by means sensing or...

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184 61., 184 64, 184 622, 366128, 384316, 425151, 425161, 425432, 425456, B28B 2116

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active

048612529

ABSTRACT:
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.

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patent: 4435083 (1984-03-01), Matson
patent: 4587863 (1986-05-01), Wadensten

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