Pump and pump securing device which maintains consistent dosage

Details Pump and pump securing device which maintains consistent dosage Pump and pump securing device which maintains consistent dosage

1997-12-19

1999-07-06

Kashnikow, Andres

Dispensing

With discharge assistant

With movable nozzle interconnected therewith

2223211, 2223212, 2223219, 222385, B65D 8854, G01F 1136, B67D 540

Patent

active

059187786

ABSTRACT:
A pump and pump securing device, which pump securing device includes, at its axially-outer end, an axially-outer step and a axially-inner step. These steps are used to interact with a radially-projecting flange on the pump, thereby allowing the pump to be securely snapped into the mounting cup without the need for crimping. The steps also control the position of the pump relative to the mounting cup. As a result, the steps prevent the pump from compressing gaskets in the assembly, thereby controlling variations in pump dosage resulting from gasket compression. The flange can include slots creating vent paths for venting air into the container during operation of the pump.

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