Dual component and dual valve trigger sprayer which mixes components in discharge passage
AssigneeContinental AFA Dispensing Company
InventorsDonald D. Foster, Philip L. Nelson
Life of this patent
Estimating the term…
Abstract
The present invention pertains to a trigger sprayer which is connectable to two container volumes containing separate liquids. The sprayer has a trigger that is manipulated to draw the separate liquids into two separate pump chambers and then supply the two separate liquids from the pump chambers through two separate discharge passages and check valves to a mixing chamber of the sprayer. In the mixing chamber the two separate liquids are mixed together prior to their being dispensed from the trigger spray.
Claims20
A manually operated trigger sprayer comprising:
- a sprayer housing;
- a pair of pump chambers in the sprayer housing;
- a pair of liquid discharge passages extending through the sprayer housing, each liquid discharge passage having an inlet end communicating with one of the pump chambers and an opposite outlet end from which liquid is discharged;
- and
- a pair of check valves, each check valve controlling a flow of liquid through one of the pair of liquid discharge passages from the inlet end to the outlet end of the liquid discharge passage and preventing a reverse flow of liquid through the liquid discharge passage from the outlet end to the inlet end of the liquid discharge passage.
A manually operated trigger sprayer comprising:
- a sprayer housing;
- a pair of liquid discharge passages extending through the sprayer housing;
- a nozzle assembly mounted on the sprayer housing, the nozzle assembly having a pair of liquid discharge tubes communicating with the pair of liquid discharge passages;
- and,
- a pair of check valves controlling liquid flow from the pair of liquid discharge passages to the pair of liquid discharge tubes and preventing a reverse liquid flow from the pair of liquid discharge tubes to the pair of liquid discharge passages.
Dependencies are inferred from the claim text.