Dispensing – Collapsible wall-type container – With wall-collapsing means
Patent
1988-07-29
1990-03-20
Rolla, Joseph J.
Dispensing
Collapsible wall-type container
With wall-collapsing means
222105, 222209, 2223865, B65D 3528
Patent
active
049094165
ABSTRACT:
A device is disclosed for containing and dispensing flowable materials contained in an inner container which is located within an outer container. The inner container includes a first portion having a nozzle affixed to one end thereof and a readily reshapable bladder affixed to the other end thereof, with the nozzle having a first one-way check valve permitting ejection of the contents from the inner container. The outer container has a second one-way valve to admit air from the exterior of the device to the space between the inner and outer containers and a compressible volume reducing structure for reducing the volume of the outer container without direct contact by a user with the volume reducing structure.
REFERENCES:
patent: 2715981 (1955-08-01), Moubayed
patent: 2804995 (1957-09-01), Fee
patent: 3223289 (1965-12-01), Bouet
patent: 3294289 (1966-12-01), Bayne et al.
patent: 3342377 (1967-09-01), Peredy
patent: 3474936 (1969-10-01), McDonnell
patent: 3876119 (1975-04-01), Lamkin
patent: 4147278 (1979-04-01), Uhlig
patent: 4213545 (1980-07-01), Thompson et al.
patent: 4469250 (1984-09-01), Evezich
Burdick Harold A.
Rolla Joseph J.
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