Airless spray apparatus

Details Airless spray apparatus Airless spray apparatus

1975-11-24

1977-05-10

Love, John J.

Fluid sprinkling, spraying, and diffusing

With system fluid relief or return to supply

By pressure responsive means

239127, 239526, 417311, 417388, B05B 900

Patent

active

040223817

ABSTRACT:
A fluid spraying apparatus, such as for use in paint spraying and the like, including a high pressure diaphragm pump, a safety and pressure adjustment valve system, and a high pressure safety spray gun. The valve system includes a valve for maintaining a desired pressure relationship between the sprayed fluid side of the system and the pumping fluid section of the high pressure diaphragm pump. The high pressure safety gun includes a pressure-responsive locking barrel portion which prevents access to the spray tip while the fluid being sprayed is under pressure.

REFERENCES:
patent: 3246845 (1966-04-01), Techler et al.
patent: 3433161 (1969-03-01), Vetter
patent: 3680981 (1972-08-01), Wagner
patent: 3767326 (1973-10-01), Hetz
patent: 3827827 (1974-08-01), Hill
patent: 3913844 (1975-10-01), Petrovic

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