Spray nozzle

Details Spray nozzle Spray nozzle

2007-07-17

2007-07-17

Nguyen, Dinh Q. (Department: 3752)

Fluid sprinkling, spraying, and diffusing

Flow deflecting or rotation controlling means

Fluid rotation inducing means upstream of outlet

C239S490000, C239S469000, C239S472000, C239S599000

Reexamination Certificate

active

10510448

ABSTRACT:
A spray nozzle (11) includes a body (12) defining an axial cavity and having, housed in the cavity, from upstream to downstream in the liquid direction of flow X-X′, a calibrating nozzle tip (33), a piece called divergent (19) and a piece called convergent (16). More particularly, the calibrating nozzle tip (33) and the convergent (16) are respectively integral with a plug (21) and the nozzle body (12), the plug being hermetically threaded into the cavity of the nozzle body (12) and including at least one gripping zone (22), while the divergent (19) is an independent piece immobilized in the cavity of the nozzle body (12).

REFERENCES:
patent: 1738332 (1929-12-01), Sutfin
patent: 2186804 (1940-01-01), Fownes
patent: 3556411 (1971-01-01), Nord et al.
patent: 3623660 (1971-11-01), Vavassori
patent: 3758259 (1973-09-01), Voorheis
patent: 4128206 (1978-12-01), Bintner
patent: 4570860 (1986-02-01), Aprea et al.
patent: 91 934 (1897-05-01), None
patent: 1 512 626 (1968-02-01), None
patent: 2 390 998 (1978-12-01), None
patent: 689 271 (1953-03-01), None
Database WPI Week 199317 Derwent Publications Ltd., London, GB; AN 1993-141421 XP002226727 & SU 1 708 436 A (SINASKIJ) Jan. 30, 1992 abstract; figures.

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