Dual liquid dispensing system

Details Dual liquid dispensing system Dual liquid dispensing system

1993-02-11

1993-09-07

Shaver, Kevin P.

Dispensing

Processes of dispensing

222135, 222214, B67D 552

Patent

active

052420817

ABSTRACT:
A dual dispensing system for delivering aliquots of a liquid product comprising a housing, two collapsible reservoirs for the liquid product, two manually operated pumps, each of which is connected to one of the collapsible reservoirs and a means to switch over from one pump to another. The switch over means is automatically activated by the vacuum in one of these collapsible reservoirs when the liquid product therein is exhausted and it is fully collapsed.

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patent: 4795061 (1989-01-01), Peckjian
patent: 4898303 (1990-02-01), Large et al.

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