Dispensing – With cutter and/or punch – To form dispensing opening in container
Patent
1977-12-09
1979-01-30
Shannon, John P.
Dispensing
With cutter and/or punch
To form dispensing opening in container
222 88, 222 95, 222105, 222326, 222541, B65D 3530, B65D 3556
Patent
active
041368010
ABSTRACT:
A replaceable cartridge for a dispenser comprises an elongated collapsible envelope for containing the material to be dispensed. The cartridge includes a tubular body portion and two end walls which are of one-piece with the tubular body portion. The cartridge is constituted by a thin-walled, flexible, limp and collapsible material. A cap portion having a discharge outlet faces one end wall of the cartridge, and a movable compression disc faces the other end wall of the cartridge. In response to movement of the disc, the cartridge is collapsed to thereby cause rupture of the end wall adjacent the discharge outlet. Alternatively, a puncture needle is provided on the cap portion for puncturing the end wall adjacent the discharge outlet. Once opened, the material within the cartridge is free to escape through the discharge outlet in response to such movement of the disc.
REFERENCES:
patent: 2421711 (1947-06-01), Moots et al.
patent: 3007611 (1961-11-01), Coolidge
patent: 3421662 (1969-01-01), Hanson
patent: 3624793 (1971-11-01), Marand
patent: 3722750 (1973-03-01), Fox
patent: 3813534 (1974-05-01), Gilliam
patent: 3993226 (1976-11-01), Pavenick
patent: 4074833 (1978-02-01), Otto
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