Drinking mug

Details Drinking mug Drinking mug

1996-05-15

1997-12-30

Moy, Joseph M.

Receptacles

Container attachment or adjunct

Drinking device

220710, 215229, A47G 1922

Patent

active

057020205

ABSTRACT:
A drinking mug for small children, handicapped and hospital patients, comprising a cup, a lid and a suction tube, is configured in an airtight manner so that only access to the inside of the mug is through the suction tube. Tightness is achieved by disposing the suction tube on the inside of the lid on a drinking spout and by providing a sealing ring in the joint between the lid and the cup. Due to the airtight construction, when liquid is sucked up an under pressure is created inside the mug which subsequently empties the suction tube of liquid. Correspondingly, an attempt by the liquid to run out through the suction tube when the mug is tipped over is counteracted by the siphon effect which results from the airtight construction.

REFERENCES:
patent: 2914214 (1959-11-01), Messinger
patent: 4631715 (1986-12-01), Hoover
patent: 4775060 (1988-10-01), Pinney
patent: 4982854 (1991-01-01), Ichimiya
patent: 5005717 (1991-04-01), Oilar
patent: 5065881 (1991-11-01), Tarng
patent: 5078286 (1992-01-01), Hashimoto

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