Foldable cup

Details Foldable cup Foldable cup

1979-10-10

1981-08-18

Moorhead, Davis T.

Receptacles

Receptacle having flexible, removable inner liner

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

229 41D, 229 52B, 220461, B65D 9004, B65D 546

Patent

active

042842050

ABSTRACT:
A foldable cup comprises a hollow cylindrical outer shell and a pouch inserted in said outer shell and secured thereto. The outer shell is provided, between its upper and bottom edges, with a plurality of substantially vertical folding lines including two vertical folding lines parallel with each other. By folding outwardly the assembly of the outer shell and the pouch along the two parallel folding lines, the assembly can be folded into a generally flat configuration, whereas by folding the assembly forwardly along all of the folding lines, the assembly can be expanded into a cubic configuration.

REFERENCES:
patent: 1950111 (1934-03-01), Heim
patent: 2293589 (1942-08-01), Calvert
patent: 2936068 (1960-05-01), Munkachy
patent: 3003678 (1961-10-01), Chase
patent: 3083889 (1963-04-01), Christensson
patent: 3123278 (1964-03-01), Morgan et al.
patent: 3373917 (1968-03-01), Cox
patent: 3482758 (1969-09-01), La Pierre et al.
patent: 3521807 (1970-07-01), Weisberg
patent: 3587837 (1971-06-01), Smith et al.
patent: 3896991 (1975-07-01), Kozlowski et al.

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