B - Operations – Transporting – 05 – B
Patent
B - Operations, Transporting
05
B
222/77
B05B 11/00 (2006.01) B01D 29/00 (2006.01) B01D 29/44 (2006.01) B05B 1/12 (2006.01) B05B 1/34 (2006.01) B05B 15/00 (2006.01)
Patent
CA 1059083
Abstract of the Disclosure A fluid pump dispenser includes a dispenser trigger which may be located in pivotable engagement with the dispenser housing and pump piston after shipment. The initial actuation of the trigger moves the pump piston and a container conduit, engaged thereto, to open a container vent shipping seal pro- vided by mating surfaces on the conduit and the container cap. Fluid carried from the container by the conduit enters the pump chamber through a central orifice in the piston. A flexible member located on the piston functions as an inlet check valve for the conduit and as a piston ring. The fluid dispenser also includes a nozzle structure having a flexible member which functions as an outlet check valve and O-ring seal, and which pooperates with a threaded nozzle cap to vary the discharge pattern of the dispenser responsive to the twist- ing adjustment of the cap. A one-piece molded fluid filter for the dip tube of the dispenser includes two circular plate portions, at least one having radially extending ribs which define a plurality of fluid passages between the plates.
287341
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