Receptacles – Closures – Superposed closures for common opening
Patent
1980-08-18
1982-05-25
Shoap, Allan N.
Receptacles
Closures
Superposed closures for common opening
220 904, 220270, 222547, A47G 1922, B65D 4126
Patent
active
043312551
ABSTRACT:
A unitary nonspilling container cover comprises a pair of similarly dimensioned discoid sections each having a peripheral channel and a flexible hinge connecting their peripheries. The two sections are oriented so that the second section can be flipped over onto the first so that the peripheral channel on the second section engages over the peripheral channel on the first section to provide a shallow space between the two sections bounded by peripheral seal. An array of small openings are provided in the first section leaving a relatively large contiguous imperforate area in that section. A removable tab is provided for forming a drinking opening in the second section, the tab being positioned so that it is disposed opposite the imperforate area in the first section.
REFERENCES:
patent: 1949357 (1934-02-01), Cross
patent: 2695732 (1954-11-01), Tupper
patent: 2867359 (1959-01-01), Adams
patent: 3342383 (1967-09-01), Klysis et al.
patent: 3360161 (1967-12-01), Smith
patent: 3680744 (1972-08-01), Daniels, Jr.
patent: 3727808 (1973-04-01), Fitzgerald
patent: 4138033 (1979-02-01), Payne et al.
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