Fluid sprinkling – spraying – and diffusing – Including valve means in flow line – Reciprocating
Reexamination Certificate
2007-03-12
2011-11-15
Nguyen, Dinh (Department: 3752)
Fluid sprinkling, spraying, and diffusing
Including valve means in flow line
Reciprocating
C239S337000, C222S162000, C222S402130, C222S402200, C137S230000
Reexamination Certificate
active
08056835
ABSTRACT:
A self-priming nozzle device (20) comprising a nozzle sleeve (9), a nozzle body (1) comprising a nozzle body aperture (16), a sleeve portion (15) and an attachment portion (14), wherein the sleeve portion (15) attached to said attachment portion (14), and the sleeve portion (15) of the nozzle body (1) fits in the nozzle sleeve (9), a nozzle stem (3) comprising a stopper (21), an O-ring (4), and a rod portion (23), wherein said stopper (21) attached to said rod portion (23), and said O-ring (4) is positioned around said rod portion (23) near about said stopper (21), and said nozzle stem (3) is placed inside said nozzle sleeve (9) and said nozzle body aperture (16), and said stopper (21) located within said nozzle sleeve (9), a spring loaded component (25) comprising a plurality of washers (2a, 2b), a compression spring (6) and a compression element (5), and said spring loaded component (25) positioned on said rod portion (23) of nozzle stem (3), and said compression element (5) is attached to said rod portion (23) of nozzle stem (3).
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Farrow Douglas B.
Graco Minnesota Inc.
Nguyen Dinh
LandOfFree
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