Outlet check valve for fluid dispenser

Details Outlet check valve for fluid dispenser Outlet check valve for fluid dispenser

B - Operations, Transporting

05

B

222/77

B05B 11/00 (2006.01)

Patent

CA 1063985

ABSTRACT The present invention relates to dispensing apparatus for discharging fluid from a nozzle, the apparatus including a housing having a variable volume chamber therein and an outlet check valve for controlling fluid communication between the chamber and the nozzle. The check valve includes an elastic valve member having a rearwardly extending portion thereon which is provided with an integral sealing means. The sealing means forms a seal between the nozzle and the housing, and a solid central portion is movable responsive to pressure within the variable volume chamber. The nozzle includes means for varying the degree of contact between the solid central portion of the elastic valve member and the nozzle to thereby vary the spray discharge pattern of the dispenser.

314330

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