Dispensing – Collapsible wall-type container
Patent
1997-05-21
1999-03-23
Huson, Gregory L
Dispensing
Collapsible wall-type container
222107, B65D 3508
Patent
active
058848118
ABSTRACT:
A collapsible dispensing tube providing a flexible walled envelope portion having a dispensing nozzle selectively sealed with a threaded cap and a sealed base. Interlocking fasteners are formed on the inner surface of the flexible wall in opposed registry with each other at regular spaced intervals from the sealed base of the flexible wall to the dispensing nozzle. The interlocking fasteners attach the opposed inner surfaces of the flexible wall when they squeezed together from the base toward the dispensing nozzle to sequentially form transverse closure bands across the envelope portion of the tube. This limits the rearward displacement of the material in the tube that occur when the tube is squeezed in its middle and therefore eliminates the need to roll up the envelope portion of the tube to dispense the material therein. A deformable collar joins the flexible wall of the tube and the dispensing nozzle so that the opposed inner surfaces of the flexible wall adjacent the dispensing nozzle may be squeezed together to allow the last portion of material contained in the tube to be dispensed.
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Huson Gregory L
Litman Richard C.
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