Compact spray gun

Fluid handling – With repair – tapping – assembly – or disassembly means – With disassembly tool engaging feature

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Details

13732901, 251363, F16K 5100

Patent

active

050675150

ABSTRACT:
A compact spray gun using a single air supply port to actuate two piston valves and act as an air refinement system. An externally adjustable cartridge type packaging assembly needle piston valve seals the resin. A spool valve portion of a catalyst piston valve having O-ring seals is separable external from the piston portion. Leak detection ports are provided so the operator can easily determine when to adjustment or replacement of the packing or O-ring seals. The catalyst piston valve controls the mixing of the catalyst and air from a second air supply port. In a preferred embodiment, the resin piston valve controls a valve which provide air to the chopper system simultaneously with spraying of the resin.

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patent: 4749128 (1988-06-01), Smith
patent: 4778083 (1988-10-01), Decker
patent: 4867346 (1989-09-01), Faye et al.

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