Dispensing cartridge having a resilient follower

Details Dispensing cartridge having a resilient follower Dispensing cartridge having a resilient follower

1993-06-28

1994-09-13

Kashnikow, Andres

Dispensing

Resilient wall

222326, 2223865, 222DIG1, B65D 3700, B67D 542

Patent

active

053461029

ABSTRACT:
The invention relates to a dispensing cartridge adapted to discharge material to a receiving member during a dispensing operation. The dispensing cartridge comprises an outer member which defines a chamber and an outer port therein and an inner member. The inner member defines a chamber for storing the material and an inner port therein. The inner member is located within the chamber of the outer member with the inner port thereof being aligned with the outer port of the outer member during the dispensing operation. The inner member is adapted to change shape during the dispensing operation to facilitate the dispensing of material from the chamber of the inner member, through the inner and outer port, and to the receiving member.

REFERENCES:
patent: 3249262 (1966-05-01), Barr et al.
patent: 3847309 (1974-11-01), Grossman
patent: 4760937 (1988-08-01), Evezich
patent: 4836409 (1989-06-01), Lane
patent: 4984713 (1991-01-01), Chambers et al.
patent: 5137179 (1992-08-01), Stoffel
patent: 5148223 (1992-09-01), Cipolla
patent: 5153659 (1992-10-01), Maiefski et al.
patent: 5280324 (1994-01-01), Ono et al.

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