Dispensing – Plural sources – compartment – containers and/or spaced jacket – With discharge assistant for each source
Patent
1997-08-26
1999-07-06
Shaver, Kevin P.
Dispensing
Plural sources, compartment, containers and/or spaced jacket
With discharge assistant for each source
222137, B65D 8132, B65D 8376
Patent
active
059187700
DESCRIPTION:
BRIEF SUMMARY
This invention relates to a dispenser and, in particular, to a dispenser for dispensing two different components which are not mixed until the components are dispensed from the dispenser.
Dispensers for dispensing materials and, in particular, viscous materials, are known. Such dispensers usually include a container in which the material is located. A piston is located in the container and is moved within the container to force the viscous material out of the container. Dispensers are also known which include dual containers for dispensing different materials. Each container is provided with a piston and the pistons are interengaged so that they move at the same rate so that a predetermined ratio of the materials with respect to one another can be dispensed.
It is also known to arrange one container within the other. It is also known to arrange the two containers in a generally side by side arrangement. It is also known to interengage the two pistons, one piston being in each container as is disclosed in our co-pending international patent application PCT/AU92/00287 the contents of which is incorporated herein by this reference.
The object of the present invention is to provide a two component dispenser which is easier to manufacture, fill, assemble and use.
The invention may be said to reside in a dispenser, including: container; first end for dispensing the first material from the container; second container; second end for dispensing the second material from the second container, the second container being arranged relative to the first container such that the second end is in the proximity of and fixed relative to the first end; and when the first piston is moved, the second piston is moved by the interengaging means which extends between the first and second pistons.
Preferably the second container is of smaller diameter than the first container and the first container being dimensioned to fit within a hand dispenser gun so that an actuator of the hand dispenser gun can push the first piston towards the first end of the first container to, in turn, cause the interengaging means to push the second piston in the second container away from the second end of the second container to dispense the first material from the first container and the second material from the second container.
Preferably the interengaging means comprises a rod between the first and second pistons.
The invention also provides a dispenser including: having a first end and a second end; towards the first end to dispense the first component from the first container through said first outlet; first container when the first piston is moved away from the second end towards the first end; having a first end and a second end; end of the second container and towards the first end of the second container to dispense the second material from the second container through said second outlet, the second piston being separate from the first piston and the push member; the second container for engaging another coupling means so that the first and second containers can be held in a head to tail arrangement so that when the first piston is moved and the push member is moved, the push member can engage the second piston to move the second piston so that the first and second materials are dispensed from the dispenser.
Preferably the coupling means is a first coupling means at the first end of the first container, and the said another coupling means is a second co-operating coupling means at the second end of the second container.
Preferably the coupling means is a first coupling means at the first end of the first container, and the said another coupling means is included in a stand for supporting the dispenser so that the another coupling means and first coupling means co-operate to couple the first and second container in head to tail arrangement.
Preferably the first coupling means comprises a screw thread at the first end of the first container and the second coupling means comprises a co-operating screw thread at the second end of the second conta
REFERENCES:
patent: 3164303 (1965-01-01), Trautmann
patent: 3370754 (1968-02-01), Cook et al.
patent: 3735900 (1973-05-01), Gores
patent: 4014463 (1977-03-01), Hermann
patent: 4220261 (1980-09-01), White
patent: 4366919 (1983-01-01), Anderson
patent: 4526295 (1985-07-01), Morel et al.
patent: 4834714 (1989-05-01), Lascar et al.
Camm James Owen
Camm Stephen John
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