Spill-proof closure for a beverage container

Details Spill-proof closure for a beverage container Spill-proof closure for a beverage container

1990-11-16

1991-09-24

Marcus, Stephen

Receptacles

Outlet or junction box type

Sectional receptacle

220 902, 220254, 220 85SP, 222570, A47G 1922

Patent

active

050507583

ABSTRACT:
A spill-proof closure for containers used in dispensing liquid beverages. The closure contains an opening for delivery of a contained beverage. The closure also includes a sealing member and a deflectable member. Together these parts form a flow control valve which is normally closed, but opens when external lip pressure is applied during normal drinking.

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patent: 4946062 (1990-08-01), Coy

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