Dual chamber lotion pump

Details Dual chamber lotion pump Dual chamber lotion pump

2006-10-24

2006-10-24

Shaver, Kevin (Department: 3754)

Dispensing

Plural sources, compartment, containers and/or spaced jacket

With discharge assistant for each source

C222S145500, C222S321700, C222S383100

Reexamination Certificate

active

07124914

ABSTRACT:
A manually operated vertically reciprocated pump dispenser has a simplified construction with two separate pumps that pump two separate liquids from a container and keep the two separate liquids separated from each other as they are pumped through the dispenser, mixing the liquids for the first time in a discharge passage of the dispenser just prior to the mixed liquids being discharged from the dispenser.

REFERENCES:
patent: 3760986 (1973-09-01), Castner et al.
patent: 4826048 (1989-05-01), Skorka et al.
patent: 4902281 (1990-02-01), Avoy
patent: 5169029 (1992-12-01), Behar et al.
patent: 5339990 (1994-08-01), Wilder
patent: 6082588 (2000-07-01), Markey et al.

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