Spray gun head

Fluid sprinkling – spraying – and diffusing – Including supplemental gas shaping or shielding jet – Plural sets of gas jet orifices

Reexamination Certificate

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Details

C239S290000, C239S422000, C239S424000, C239S428000, C239S433000, C239S518000, C239S525000, C239S600000

Reexamination Certificate

active

11111713

ABSTRACT:
A spray gun head comprises a flow distribution mechanism having an annular shield member disposed around a nozzle thereof and a plurality of apertures around the flow distribution mechanism; a cap comprising a central orifice and two pairs of holes at two opposite sides thereof, such that a mouth of the nozzle is adapted to dispose in the orifice when the cap is put on the flow distribution mechanism; and a ring threadedly secured onto the flow distribution mechanism for closing a pass between the rear of the cap and the flow distribution mechanism. By utilizing this spray gun head, both air flow and air pressure leaving the flow distribution mechanism are made uniform for obtaining an excellent spray on balance and atomization.

REFERENCES:
patent: 2479507 (1949-08-01), Peeps
patent: 4478370 (1984-10-01), Hastings
patent: 4537357 (1985-08-01), Culbertson et al.
patent: 4712739 (1987-12-01), Bihn
patent: 4917300 (1990-04-01), Gloviak et al.
patent: 5344078 (1994-09-01), Fritz et al.
patent: 6471144 (2002-10-01), Huang
patent: 6547160 (2003-04-01), Huang
patent: 6612506 (2003-09-01), Huang
patent: 6685106 (2004-02-01), van der Steur
patent: 6793155 (2004-09-01), Huang
patent: 6854667 (2005-02-01), Ulrich et al.

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