Postless pushup container

Details Postless pushup container Postless pushup container

1990-10-01

1991-11-05

Shaver, Kevin P.

Dispensing

With discharge assistant

Container with follower

74 892, 74128, 744246, 745015R, 222391, 222392, B67D 542

Patent

active

050625519

ABSTRACT:
The present invention is directed toward a material dispensing container that uses a flexible band to drive a piston within a storage container. The band is so formed so that it can be easily wound or folded within a small area at the bottom of the storage container. The band is connected to a piston within the container, and the movement of the band forces materials stored above the piston to be dispensed through any dispensing orifice at the top of the container. The band drives the piston by being forced through a tapered conduit. The passage of the band through the conduit, orients the band and causes the band to loose some of its flexibility. The stiffened band is then used to drive the piston. The passage of the band through the tapered conduit also orients the band so that extensions, stemming from the band, can be engaged and forwardly advanced by the user.

REFERENCES:
patent: 631078 (1899-08-01), King
patent: 1810249 (1931-06-01), Koehler
patent: 2240046 (1941-04-01), Marra
patent: 2272641 (1942-02-01), Mureau
patent: 2402072 (1946-06-01), Nehrke
patent: 2541949 (1951-02-01), Thacker et al.
patent: 2547657 (1951-11-01), Pierce
patent: 3229865 (1966-01-01), Heisler et al.
patent: 4318499 (1982-03-01), Hamilton
patent: 4479592 (1984-10-01), Rusing et al.
patent: 4793521 (1988-12-01), Steiner

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