Dispenser apparatus especially for liquid toner concentrate
First Claim
Patent Images
1. Apparatus for dispensing material such as liquid toner concentrate comprising:
- a canister;
a movable partition disposed within the canister, said movable partition defining a first space containing liquid toner concentrate and a second space between the movable partition and the canister;
a first valve communicating with said first space and allowing egress of liquid toner concentrate from said first space when said first valve is activated;
a second valve communicating with said second space and allowing ingress of pressurized fluid into said second space when said second valve is activated;
mounting means operative to secure the canister while allowing for axial movement of the canister; and
fluid pressure means for causing axial movement of the canister and selective dispensing of the liquid toner concentrate from the first space.
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Abstract
Apparatus for dispensing liquid toner concentrate including a container containing liquid toner concentrate, mounting apparatus operative to secure the container while allowing for axial movement of the container and air pressure apparatus for causing axial movement of the container and movement of a movable partition in the canister to aid in selective dispensing of the liquid toner concentrate from the container.
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Citations
25 Claims
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1. Apparatus for dispensing material such as liquid toner concentrate comprising:
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a canister; a movable partition disposed within the canister, said movable partition defining a first space containing liquid toner concentrate and a second space between the movable partition and the canister; a first valve communicating with said first space and allowing egress of liquid toner concentrate from said first space when said first valve is activated; a second valve communicating with said second space and allowing ingress of pressurized fluid into said second space when said second valve is activated; mounting means operative to secure the canister while allowing for axial movement of the canister; and fluid pressure means for causing axial movement of the canister and selective dispensing of the liquid toner concentrate from the first space. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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18. A dispensing container for dispensing a material such as liquid toner concentrate comprising:
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a canister; a movable partition disposed within the canister, said movable partition defining a first space containing liquid toner concentrate and a second space between the movable partition and the canister; a first valve communicating with said first space for allowing egress of material from said first space when said first valve is activated; and a second valve communicating with said second space for allowing ingress of pressurized fluid into said second space when said second valve is activated;
wherein the canister is a rigid enclosure having first and second communication openings in the opposite end portions thereof, said first valve being disposed within said first communication opening and said second valve being disposed within said second communication opening. - View Dependent Claims (19, 20, 21, 22, 23, 24, 25)
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Specification