Composite drinking cup

Details Composite drinking cup Composite drinking cup

1988-09-22

1989-08-08

Elkins, Gary

Receptacles

Receptacle having flexible, removable inner liner

Means for venting air trapped between the liner and its...

229 15B, 229 23R, 229 48T, 229 52B, 229162, B65D 2516, B65D 546

Patent

active

048544744

ABSTRACT:
A collapsible, self-standing, liquid-tight, partially transparent, disposable, drinking cup that has a tubular outer structure, formed of foldably interconnected paperboard panels, and a plastic film liner secured to the inner surfaces of certain of the panels to provide a flexible bottom wall for closing the lower end of the tubular outer structure.

REFERENCES:
patent: 2936068 (1960-05-01), Munkachy
patent: 3197112 (1965-07-01), Meyer-Jagenberg
patent: 3370777 (1968-02-01), Levi
patent: 3373917 (1968-03-01), Cox
patent: 3559867 (1971-02-01), Muskopf
patent: 3744700 (1973-07-01), Stegmann
patent: 4032060 (1977-06-01), Bergstein
patent: 4284205 (1981-08-01), Hirata
patent: 4391366 (1983-07-01), Hirata
patent: 4428500 (1984-01-01), Kohler

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