Fluid sprinkling – spraying – and diffusing – Flow deflecting or rotation controlling means – Fluid rotation inducing means upstream of outlet
Patent
1975-01-03
1976-03-09
Wood, Jr., M. Henson
Fluid sprinkling, spraying, and diffusing
Flow deflecting or rotation controlling means
Fluid rotation inducing means upstream of outlet
239579, 239490, B05B 134
Patent
active
039427250
ABSTRACT:
The present invention is directed to an aerosol spray apparatus comprising two parts which when joined or brought into a sealing engagement cooperate to form a mechanical break up means. The mechanical break up consists of a sprayhead and stem which cooperate to form a swirl forming means which mechanically breaks up pressurized materials being dispensed. The swirl forming means comprises a swirl chamber which is arranged concentrically to a spray orifice, two tangential channels which are directed tangentially into the swirl chamber and two annular channels. The swirl forming chamber and tangential channels are formed by depressions molded into the inner wall surface of the socket of the sprayhead. The two annular channels are formed by depressions molded into the surface of the valve stem. The swirl chamber and tangential channels are covered by a tightly fitted outer wall surface portion of the stem. The tangential channels with the stem form passageways for the pressurized materials. The two annular channels in the surface of the stem are covered by a tightly fitted inner wall surface of the socket of the sprayhead. The annular channels with the sprayhead form passageways for the pressurized material. Regardless of the manner in which the stem and sprayhead are brought together the swirl forming chamber will always be properly aligned relative to the stem.
REFERENCES:
patent: 3083917 (1963-04-01), Abplanalp et al.
patent: 3471092 (1969-10-01), Hickey
patent: 3519210 (1970-07-01), Du Plain
Carvellas Perry
Mar Michael
Wood, Jr. M. Henson
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