Package having means for providing coaxial alignment in a stack

Details Package having means for providing coaxial alignment in a stack Package having means for providing coaxial alignment in a stack

1975-06-18

1977-10-04

Lowrance, George E.

Special receptacle or package

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

Closure structure specified for stacking

220352, 220380, 229 55, 229 43, B65D 2102, B65D 4308, B65D 568

Patent

active

040519511

ABSTRACT:
The package comprises a container having an outwardly and downwardly convexly rolled top rim and an inwardly convexly curved bottom rim; and a closure having an inner wall generally conforming to the contour of the mouth of said container, a rim wall joined to said inner wall by a concavely contoured wall having a configuration which at least generally conforms to at least an outer portion of said curved bottom rim, and a skirt depending from the outer periphery of said rim wall. The closure can be provided with support lugs extending inwardly from said inner wall. The closure skirt can be provided with locking lugs to increase the contact with the bottom of said rolled rim. A stacking shoulder can be formed in the closure skirt. The inner wall can be joined to a diaphragm by means of an inclined camming wall.

REFERENCES:
patent: D222905 (1972-01-01), Kinney
patent: 2104540 (1938-01-01), Hoffman
patent: 2922563 (1960-01-01), Aldington
patent: 2972432 (1961-02-01), Flack
patent: 2985354 (1961-05-01), Aldington
patent: 3019933 (1962-02-01), Gould
patent: 3065875 (1962-11-01), Negoro
patent: 3079037 (1963-02-01), Schechter
patent: 3112841 (1963-12-01), Martinelli
patent: 3237800 (1966-03-01), Edwards
patent: 3244354 (1966-04-01), Bauer
patent: 3315865 (1967-04-01), Bracht
patent: 3362565 (1968-01-01), McCormick
patent: 3498495 (1970-03-01), Davis
patent: 3516572 (1970-06-01), Davis
patent: 3583596 (1971-06-01), Brewer
patent: 3743133 (1973-07-01), Rathburn
patent: 3831745 (1974-08-01), Rump

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