Non-spill valve
AssigneeBB IPR Limited
InventorStephen Paul Tollman
Life of this patent
Estimating the term…
Abstract
A non-spill valve for the neck of a liquid container. The invention also relates to a non-spill valve for the nipple of a feeding bottle, to a teat which is provided with such a nipple and to a feeding bottle which has such a teat. The valve has a tube which is open at one end and upstands from a support, which is complementary with interior element so that it forms a partition and permits the passage of liquid from an aperture in the support only into the tube interior, wherein the other end of the tube is closed except for an incision which separates the closed end from an adjoining side wall portion. The incision defines a flap that can permit liquid to reach from the tube interior to the mouth of the neck or spout or nipple.
Claims13
1-15. (canceled)
A non-spill valve for a neck and spout of a liquid container, comprising:
- a flexible tube which is open at a first end and upstands from an apertured support of which an aperture is in registry with and of the same size as the first open end of the tube, the support having a shape which is complementary with an interior of the neck and spout so that it forms a partition in the neck and spout of the container and permits the passage of liquid from the aperture in the support into the tube interior, wherein a second end of the tube is closed except for an incision which separates the second end from an adjoining side wall portion of the tube, the incision continued along the side wall portion up to a distance short of the support to define a flap which is hinged to the support wall and lies against a part from which it is severed but can flex under suction applied to the neck and spout and thereby permit liquid to reach from the tube interior to a mouth of the neck or spout.
A non-spill valve for a nipple of a feeding bottle, comprising:
- a flexible tube which is open at first and upstands from an apertured support of which the aperture is in registry with and of the same size as the first open end of the tube, the support having a shape which is complementary with the interior of the nipple so that it forms a partition in the nipple of the feeding bottle and permits the passage of liquid from the aperture in the support only into the tube interior, wherein the second end of the tube is closed except for an incision which separates the second closed end from an adjoining side wall portion of the tube, the incision continued along said side wall portion up to a distance short of the support to define a flap which is hinged to the support wall and lies against the part from which it is severed but can flex under suction applied to the nipple and thereby permit liquid to reach from the tube interior to a mouth of the nipple.
Dependencies are inferred from the claim text.