Self-cleaning valve

Details Self-cleaning valve Self-cleaning valve

1981-06-01

1984-01-10

Tollberg, Stanley H.

Dispensing

Collapsible wall-type container

With wall-collapsing means

222148, B65D 3528

Patent

active

044249179

ABSTRACT:
A self-cleaning valve used at the outlet of a container has an elongated flexible flattenable tube with an inlet end for receiving material to be dispensed from the container and an outlet end for dispensing the material. In the at-rest condition of the valve, a section of the tube extending from the outlet end is supported between a housing surface and a closure-cleaning lever member spring-mounted on the housing so that it pivots about a fulcrum. By pressing down on one end of the lever member, the tube can be opened so that material, forced out of the container, can be dispensed from the outlet end of the tube. After the material has been dispensed, the lever member is pivoted along the outside surface of the tube pressing the tube against the housing surface so that any material remaining within the tube is forced out of the outlet end.

REFERENCES:
patent: 4349133 (1982-09-01), Christine

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