Pumping system for mobile protective coating spray apparatus and

Details Pumping system for mobile protective coating spray apparatus and Pumping system for mobile protective coating spray apparatus and

1985-06-28

1987-08-04

Kashnikow, Andres

Fluid sprinkling, spraying, and diffusing

Processes

91275, 239159, 239332, B05B 1704, B05B 120

Patent

active

046840621

ABSTRACT:
Disclosed herein is an improved pumping system for self-contained and, if desirable, portable machines adapted to efficiently spray or squeegee viscous sealing fluids on roadway pavement and parking lots, which fluids may contain suspended solid matter. For example, this fluid pumping assembly is especially suitable for spraying asphaltic or coal-tar-pitch emulsions containing sand onto asphalt road surfaces. Also disclosed is an improved hydraulic drive cylinder assembly and control means therefor employing an improved electrically controlled hydraulically operated drive network.

REFERENCES:
patent: 3776252 (1973-12-01), Wilcox
patent: 4028014 (1977-06-01), Cocks
patent: 4161659 (1979-07-01), Jacob
patent: 4176586 (1979-12-01), Stoll et al.
patent: 4198820 (1980-04-01), Roth et al.
patent: 4230023 (1980-10-01), Ward
patent: 4311274 (1982-01-01), Neal
patent: 4609045 (1986-09-01), Rogers

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