Dispensing – Collapsible wall-type container – Plural container and/or compartment
Patent
1986-12-18
1988-02-16
Rolla, Joseph J.
Dispensing
Collapsible wall-type container
Plural container and/or compartment
222541, 222107, 206634, 206469, B65D 7560, B65D 4710
Patent
active
047249820
ABSTRACT:
A dispenser package comprising a relatively stiff flat sheet including a tough, high barrier layer secured to at least one surface thereof, a flexible sheet secured to one side of the relatively stiff sheet to form an enclosed flexible pouch or chamber adjacent the relatively stiff sheet, a cut pattern or fault line or other fault area scored or otherwise formed in the relatively stiff sheet generally along the transverse center line thereof, and at least one asymmetric protrusion displacing at least a portion of the fault line or fault pattern of the relatively stiff sheet, said protrusion preferably comprising an asymmetrical substantially semi- or split pyramidal shape. In preferred embodiments, a duplex or multiplex dispenser package is provided, including at least two adjacent but separate pouches or chambers secured to the relatively stiff sheet, and at least two substantially semi- or split pyramidally shaped, stress concentrating protrusions, at least one of said protrusions located above the along the inner edge of each separate pouch or chamber. Alternatively, the duplex or multiplex package is formed by interconnecting one or more individual dispenser packages.
REFERENCES:
patent: 2103389 (1937-12-01), Salfisberg
patent: 2499313 (1950-02-01), Hoag
patent: 2864108 (1958-12-01), Johnson
patent: 2956710 (1960-10-01), O'Connor
patent: 3472368 (1969-10-01), Hellstrom
patent: 3521805 (1970-07-01), Ward
patent: 3635376 (1972-01-01), Hellstrom
patent: 3741384 (1973-06-01), Cloud
patent: 3986640 (1976-10-01), Redmond
patent: 4236652 (1980-12-01), Beguhn
patent: 4493574 (1985-01-01), Redmond et al.
Pedersen Nils E.
Rolla Joseph J.
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