Dispensing – Collapsible wall-type container – Nonmetallic
Patent
1986-07-21
1988-01-05
Rolla, Joseph J.
Dispensing
Collapsible wall-type container
Nonmetallic
222491, 222541, 206484, B65D 3508
Patent
active
047170468
ABSTRACT:
A container which is formed from a generally stiff but flexible blank of coated carton material by means of inwardly bulging and shaping a center section of an initially flat blank and joining together and tightly connecting the opposite side edges and flanges of the side sections in such a manner that the superimposed flanges are not connected with each other at one location, thus forming coacting sidewalls for a discharge opening. The coacting sidewalls are separable from each other by liquid being squeezed by pressure on the exterior of the container whereby this opening discharges the liquid into a separable tongue which is closed before use and is torn off or cut to provide a dispensing outlet for the container. For a concentrated dispensing of a liquid from the container, the discharge opening is provided with a groove at least in one of its coacting sidewalls extending in the discharge direction, whereby this groove extends outwardly with respect to the inner surface of the coacting sidewall so that the groove defines at least one guide conduit extending into the discharge outlet and separable area of the tongue.
REFERENCES:
patent: 1661564 (1928-03-01), Ebbesen
patent: 2350931 (1944-06-01), Salfisberg
patent: 2517027 (1950-08-01), Rado
patent: 2707581 (1955-05-01), Kaplan et al.
patent: 3155282 (1964-11-01), Leblanc
patent: 4331264 (1982-05-01), Staar
patent: 4491245 (1985-01-01), Jamison
patent: 4592493 (1986-06-01), Smith
Bobis Daniel H.
Huppert Michael S.
Rolla Joseph J.
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