Contents-saver plastic dispensing tube
OwnerWesley C. Meinerding, Donavon L. Favreinventors
Life of this patent
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Abstract
A flexible wall dispensing tube, such as a toothpaste tube, has a resilient means such as a rubber band attached to the bottom of the tube to prevent the bottom of the tube from unwinding after it has been wound up.
Claims7
A flexible wall dispensing tube, made of plastic, the tube having a discharge nozzle at one end and a permanent closure at the other end, wherein the improvement comprises a rubber band attached to the other end of the tube by a folded over portion of the other end, which folded over portion covers a portion of the rubber band and leaves a portion of the rubber band uncovered by the folded over portion, and the rubber band positioned parallel to the other end to hold the lower tube portion in place and to prevent unwinding of the other end after it is wound, the exposed portion of the rubber band being moved to an outer surface of the tube opposing a roll as each roll is made.
A plastic, flexible walled dispensing tube having a discharge nozzle at one end and a permanent closure at the other end, wherein the improvement comprises a rubber band attached to the other end, in a direction parallel to the other end, to prevent unwinding of the other end of the tube after it has been wound a plurality of revolutions, the rubber band being attached to the other end of the tube by a dead fold over a portion of the rubber band and the rubber band surrounding the tube at the other end in a direction parallel to the other end, to be used in preventing unwinding of the tube after the end of the tube has been wound a plurality of revolutions.
In a method of dispensing the contents of a plastic, flexible wall dispensing tube having a discharge nozzle at the top end and a permanent closure at the bottom end, the improvement comprising,
- a. attaching a rubber band around the tube parallel to the bottom end of the tube,
- b. rolling up the bottom end of the tube around a portion of the rubber band while leaving an exposed portion of the rubber band, and
- c. moving the exposed portion of the rubber band to the outer surface of the tube opposing the roll as each roll is made during a plurality of revolutions of the bottom end of the tube.
Dependencies are inferred from the claim text.