Fluid sprinkling – spraying – and diffusing – Fountains or drinking tubes and straws – Drinking
Patent
1999-04-30
2000-06-13
Kashnikow, Andres
Fluid sprinkling, spraying, and diffusing
Fountains or drinking tubes and straws
Drinking
239 24, 215229, 215388, 220705, 220710, A47G 2118
Patent
active
06073860&
ABSTRACT:
A down-flow drinking straw that delivers liquid below a drinking vessel while eliminating siphoning to avoid spills. The straw has a first straight supply tube portion connected by an adjustable bend to a pickup tube portion with a liquid reservoir just below the adjustable bend. The adjustable bend is biased to a normal position, such that the supply tube portion is above the reservoir when the straw is released. Once the supply tube portion is above the reservoir, the reservoir provides a volume of liquid to reverse the siphon and pull the remaining liquid in the supply tube portion back into the vessel. A first embodiment has a reservoir in the form of an increased diameter portion that extends from below the adjustable bend downwardly. At the bottom of the increased diameter portion, the pickup tube may neck down to a smaller diameter to reduce the flow rate or the pickup tube has an increased diameter along its entire length, to maximize the return flow rate. Another embodiment of the straw has a reservoir in the form of spiral sections of straw that connect the pickup tube portion to the adjustable end. When used with a beverage can type vessel (as opposed to a glass), the spiral sections have the additional function of supporting the straw on the beverage can top.
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Ganey Steven J.
Kashnikow Andres
Siemens Terrance L.
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