Fluid sprinkling – spraying – and diffusing – Fountains or drinking tubes and straws – Drinking
Patent
1993-02-10
1994-02-22
Kashnikow, Andres
Fluid sprinkling, spraying, and diffusing
Fountains or drinking tubes and straws
Drinking
239132, 62338, 624573, A47G 2118, A61J 1500
Patent
active
052880192
ABSTRACT:
The present invention relates to a drinking device which, after suitable refrigeration, acts as a heat exchanger to draw heat from a hot liquid, thereby delivering cooled beverage to the user's mouth. The device includes flexible, concentric inner and outer tubes, the inner tube comprising a length of flexible, beverage grade tubing having an outer diameter at least 1/16 of an inch less than the inner diameter of the outer tube and a length at least thirty percent greater than that of the outer tube. An air space between the tubes is filled with a thermally conductive, non-toxic solid, forming the heat exchanger portion of the device. The outer tube is attached to the inner tube in a first position, such that an exposed small section of the inner tube forms a mouthpiece, and at a second position, such that the air space is formed, and at least two inches in length of the inner tube which is exposed beneath the second position forms an intake end, whereby the heat exchanger portion remains essentially unsubmerged in the beverage, thereby cooling only liquid drawn up by the user.
REFERENCES:
patent: 2370931 (1945-03-01), Bogin et al.
patent: 4091632 (1978-05-01), Marchewka et al.
patent: 4658990 (1987-04-01), Ramage
patent: 4733785 (1988-03-01), Turner, Jr. et al.
patent: 5009083 (1991-04-01), Spinos et al.
patent: 5031831 (1991-07-01), Williams, III
patent: 5129239 (1992-07-01), Schwartz et al.
Chirnomas Morton
Grant William
Kashnikow Andres
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