Double acting concrete pump

Details Double acting concrete pump Double acting concrete pump

F - Mech Eng,Light,Heat,Weapons

04

B

103/45

F04B 19/22 (2006.01)

Patent

CA 1121655

DOUBLE ACTING CONCRETE PUMP ABSTRACT OF THE DISCLOSURE A double acting concrete pump having a pair of interconnected mud pistons driven by a reversing hydraulic actuator, which is refersed by the piston motion at the end of each stroke, and has a pressure relief to avoid bottoming at the end of a stroke. The mud pistons slide in cylinders which are lubricated and cleaned by a supply of lubricant circulated between the cylinders by the piston action. Concrete or similar mud-like material is drawn from a hopper and pumped out through a common outlet.

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