Container closure

Details Container closure Container closure

1975-10-08

1977-03-29

Price, William

Receptacles

Closures

Having structure to stack or nest when not in use

220356, 206508, 220306, B65D 5500, B65D 4308, B65D 4118

Patent

active

040144593

ABSTRACT:
A unique container closure is disclosed which includes a flat top surface, a vertical side wall, and a sloping intermediate wall interconnecting the top and the side wall at an angle to the vertical. Interiorly of the closure are depending, radially inwardly extending reinforcement ribs which are integrally connected to the top surface, the intermediate wall, and the side wall for stiffening purposes. An annular depending rib is also contained on the interior surface of the intermediate wall, and the inner surface of the side wall has a recess, an inwardly extending annular flange, and a further recess adapted to engage a corresponding lip on the container per se. In this fashion the depending flange of the intermediate wall and the internal rib of the side wall will firmly engage the top lip of the container per se, while the unique intermediate wall construction between the side wall and the top surface will prevent inadvertent dislodgment of the lid by coming into contact with the lid of an adjacent container.

REFERENCES:
patent: 2812121 (1957-11-01), Sheets
patent: 2913140 (1959-11-01), Vuillemenot
patent: 3307739 (1967-03-01), Cloyd et al.
patent: 3805994 (1974-04-01), Cherry et al.

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