Liquid dispenser
First Claim
1. A liquid dispenser comprising a flexible bag adapted to be positioned upright and contain the liquid and having front and back walls with bottom portions and a dispensing valve in the bottom portion of the back wall, the valve having an operator inside the bag and actuated by pressing the bottom portion of the front wall against the operator, the bottom portions of the two walls being foldable on a transverse fold line to horizontal positions so as to superimpose the bottom portion of the front wall on the bottom portion of the back wall and the operator;
- wherein the improvement comprises the front and back walls being formed with mutually registered openings above the fold line, the openings having peripheries which are sealed fluid-tightly together and the openings forming a horizontal passage extending right-angularly through the bag above the fold line, said liquid dispenser having an enclosing box having an openable front closure and suspension means for suspending the bag therein by the top of the bag when the bag contains the liquid, the box having a support for the bag'"'"'s bottom portions when they are folded to the horizontal positions, the box having a movable pressing means for pressing the lower portion of the front wall against the operator of the valve and at least a portion of the pressing means being movable through the passage.
5 Assignments
0 Petitions
Accused Products
Abstract
A liquid dispenser includes a flexible bag, an enclosing box and an actuator. The bag is formed with two chambers, a supply chamber and a discharge chamber, and a hole through which the actuator moves. The discharge chamber has a discharge member which is acted upon by the actuator to dispense a measured discharge. The bag is suspended in the housing with the discharge chamber folded relative to the supply chamber.
64 Citations
5 Claims
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1. A liquid dispenser comprising a flexible bag adapted to be positioned upright and contain the liquid and having front and back walls with bottom portions and a dispensing valve in the bottom portion of the back wall, the valve having an operator inside the bag and actuated by pressing the bottom portion of the front wall against the operator, the bottom portions of the two walls being foldable on a transverse fold line to horizontal positions so as to superimpose the bottom portion of the front wall on the bottom portion of the back wall and the operator;
- wherein the improvement comprises the front and back walls being formed with mutually registered openings above the fold line, the openings having peripheries which are sealed fluid-tightly together and the openings forming a horizontal passage extending right-angularly through the bag above the fold line, said liquid dispenser having an enclosing box having an openable front closure and suspension means for suspending the bag therein by the top of the bag when the bag contains the liquid, the box having a support for the bag'"'"'s bottom portions when they are folded to the horizontal positions, the box having a movable pressing means for pressing the lower portion of the front wall against the operator of the valve and at least a portion of the pressing means being movable through the passage.
- View Dependent Claims (2, 3, 4, 5)
Specification