Dispensing device

Details Dispensing device Dispensing device

2004-12-20

2010-06-29

Jacyna, J. Casimer (Department: 3754)

Dispensing

Resilient wall

Supply container delivering to receiving chamber

C222S209000, C222S210000, C222S212000, C222S214000, C222S380000, C222S381000, C222S324000, C222S472000, C417S479000, C092S096000

Reexamination Certificate

active

07743948

ABSTRACT:
The present invention relates to a dispensing device for dispensing a liquid or viscous substance, preferably foodstuff. At least one pump means (4) is provided to perform pump motions for sucking said substance (2) into the dispensing device (1) and dispense or discharge it therefrom. The pump means (4) is provided to divide inner parts of the dispensing device (1) into at least one suction chamber (30) and at least one dispensing or discharge chamber (31) which are interconnected through at least one transfer chamber (32). The pump means (4) is during a first pump motion in one direction (A) provided to suck substance (2) into the suction chamber (30) and simultaneously dispense or discharge substance (2) from the discharge chamber (31). The pump means (4) is during a second pump motion in the opposite direction (D) relative to the first pump motion provided to feed substance (2) from the suction chamber (30) and through the transfer chamber (32) into the discharge chamber (31).

REFERENCES:
patent: 2435527 (1948-02-01), Arpin
patent: 5452826 (1995-09-01), Stern
patent: 2002/0125271 (2002-09-01), Zeitlin
patent: 39 14 518 (1991-01-01), None

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