Plastic lid with stacking separation means

Details Plastic lid with stacking separation means Plastic lid with stacking separation means

1982-01-05

1982-12-21

Lowrance, George E.

Special receptacle or package

Structural features for vertical stacking, i.e., similar...

Closure structure specified for stacking

220306, 220380, B65D 2102, B65D 4310

Patent

active

043644767

ABSTRACT:
A flexible, plastic lid of the type used for closing commodity containers is provided with protrusion segments on the inside surface of its side wall to provide vent openings between adjacent, stacked lids. A stacking shoulder around the periphery of the top wall of the lid is also provided with raised ribs for further holding stacked lids in spaced apart relation. Vent passages formed between stacked lids by the protrusion segments and the ribs lessen the suction effect which normally tends to hold such lids together when stacked for handling and storage.

REFERENCES:
patent: 3173574 (1965-03-01), Goldsmith
patent: 3269588 (1966-08-01), Ruekberg
patent: 4014459 (1977-03-01), Robinson
patent: 4275815 (1981-06-01), Davis

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