Pump for concrete or the like

Details Pump for concrete or the like Pump for concrete or the like

1984-02-06

1986-01-07

Croyle, Carlton R.

Pumps

Expansible chamber type

Mechanically actuated distributor

417519, 417532, 417900, 92171, F04B 700

Patent

active

045631352

ABSTRACT:
A concrete pump comprises a water rinsing box, a valve housing and a pair of concrete pump cylinders there-between. The rinsing box and the valve housing are welded at opposite ends of rigid connecting means such forming a rigid undetachable structure in which the cylinders are removably fastened and can be drawn out through the valve housing after removal of a housing closure flap.

REFERENCES:
patent: 3037460 (1962-06-01), Guest et al.
patent: 3137216 (1964-06-01), Aytes
patent: 3266435 (1966-08-01), Smith
patent: 3532442 (1970-10-01), Van Der Plaats
patent: 3639086 (1972-02-01), Robbins
patent: 3811802 (1974-05-01), Semple
patent: 4019839 (1977-04-01), Schwing
patent: 4258612 (1981-03-01), Kuhlmann
patent: 4373875 (1983-02-01), Schwing

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