Fluid sprinkling – spraying – and diffusing – Flow deflecting or rotation controlling means – Fluid rotation inducing means upstream of outlet
Reexamination Certificate
2004-11-01
2009-08-25
Kim, Christopher S (Department: 3752)
Fluid sprinkling, spraying, and diffusing
Flow deflecting or rotation controlling means
Fluid rotation inducing means upstream of outlet
C239S463000, C239S487000, C239S491000, C239S565000, C239S567000, C239SDIG002, C169S037000
Reexamination Certificate
active
07578454
ABSTRACT:
The present invention provides a spray device for fire fighting, which sprays atomized water to extinguish a fire. The spray device (100) includes an upper body (10), a lower body (20) which is removably coupled to the upper body (10), a nozzle tip (30) which has a swirl (39) therein and is removably inserted into each nozzle tip hole (22) of the lower body (20), and an interposition unit (40). The spray device (100) further includes an inclined surface (16), a tightening contact surface (19-1) provided on an outer surface of a circular head part (19) of the upper body (10), a working groove (26) to provide an internal thread (25) on the lower body (20), and a hemispherical mesh (42) which has a convex shape and is provided in a chamber (41) defined at a center position between the upper body (10) and the lower body (20).
REFERENCES:
patent: 2361144 (1944-10-01), Loepsinger
patent: 4989675 (1991-02-01), Papavergos
patent: 5014790 (1991-05-01), Papavergos
patent: 6315219 (2001-11-01), Palestrant
Cantor & Colburn LLP
Kim Christopher S
Tank Tech Co., Ltd.
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