Pumps – Ambulant – body supported – or with carrying handle
Patent
1985-12-23
1988-01-12
Croyle, Carlton R.
Pumps
Ambulant, body supported, or with carrying handle
417347, 417900, F04B 704
Patent
active
047188260
ABSTRACT:
Mounted on a mobile platform, a dual hopper mixing tank having a hydraulically operated slide gate controlling the exit of a slurry. The mixed slurry is gravity fed to a pair of hydraulically operated pumps with the stroke of the pistons therein controlled by a reed switch or an IC chip. An outlet nozzle end from the pumps leads to a Y-shaped hose for supplying slurry continuously to a work site.
REFERENCES:
patent: 3465685 (1969-09-01), Sherrod
patent: 3907462 (1975-09-01), Kroeger
patent: 3908865 (1975-09-01), Day
patent: 3951572 (1976-04-01), Ray et al.
patent: 4533300 (1985-08-01), Westerlund et al.
patent: 4569642 (1986-02-01), Dwyer
The Elephant Trunk, Putzmeister, 1973.
Croyle Carlton R.
Larson Herbert W.
Mason, Jr. Joseph C.
Olds Ted
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