Dispensing – Collapsible wall-type container – With wall-collapsing means
Patent
1975-02-28
1976-05-04
Knowles, Allen N.
Dispensing
Collapsible wall-type container
With wall-collapsing means
B65D 3534
Patent
active
039542050
ABSTRACT:
A panel member constructed of stiff but bendable material is provided and includes a pair of opposite side marginal portions bent at generally right angles relative to and outwardly of the same side of the panel or panel member. The opposite side marginal portions are provided with aligned bores defining journals and a winding shaft is journaled through the bores and provided with anchor means between the opposite side marginal portions of the panel member for anchoring the closed end of a collapsible tube to the shaft for winding thereon. The bores are defined by the greater width ends of keyhole slots formed in the panel and whose lesser width ends extend across the folded zones defining the right angle bent opposite marginal portions of the panel and into those portions of the panel extending between the opposite side marginal portions. A slit is formed in the panel with its opposite ends opening into the adjacent ends of the lesser width ends of the keyhole slots and the edge portions of the panel defining the opposite sides of the slit are deflected, at least slightly, toward the shaft and thereby define a narrow slot therebetween with the sides of the slit defining edge portions remote from the shaft smoothly convexly curving into the slot whereby to define an entrance throat for the slot, a collapsible tube being wound on the shaft being gradually squeezed into a flattened condition as it is drawn through the slot.
REFERENCES:
patent: 2883087 (1959-04-01), Nichols, Jr.
Jacobson Harvey B.
Knowles Allen N.
O#Brien Clarence A.
Stack, Jr. Norman L.
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