Receptacles – Closures – Closure penetrated through intersecting slits
Patent
1989-12-28
1990-08-14
Marcus, Stephen
Receptacles
Closures
Closure penetrated through intersecting slits
220 904, 220254, 215 1A, B65D 5400
Patent
active
049480090
ABSTRACT:
Disclosed in a straw-insertable lid for a paper cup which is placed on an upper end of a paper cup in which a beverage such as tea, coffe, a soft drink, fruit juice, or the like, a sherbert-like beverage of any of these beverages, or the like is accommodated singly or together with crushed ice so as to allow the beverage to be drunk by inserting a straw through the straw-inserting slit provided in the top plate portion. The upper lid is formed of natural rubber, and a protruding outer ring is provided on the top plate portion around the slit. As a result, when the lids are disposed of by being dumped as rubbish after use, the lids easily decompose, thereby preventing the dumped lids from constituting a source of environmental destruction. At the same time, when the straw is inserted through the slit, the protruding annuular ring prevents the slit from becoming easily being ripped large.
REFERENCES:
patent: 2948453 (1960-08-01), Drown
patent: 3048317 (1962-08-01), Cochrane et al.
patent: 3315402 (1967-04-01), Parks
patent: 3773243 (1973-11-01), Greene
patent: 3822030 (1974-07-01), Tanzer
patent: 4494668 (1985-01-01), Lottick
Marcus Stephen
Oujevolk George B.
Stucker Nova
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