Device for delivering paste substances into containers

Details Device for delivering paste substances into containers Device for delivering paste substances into containers

2006-12-05

2009-11-24

Nicolas, Frederick C. (Department: 3754)

Dispensing

With discharge assistant

With material supply container and discharge assistant with...

C222S361000, C222S363000, C222S367000, C222S425000, C222S453000

Reexamination Certificate

active

07621427

ABSTRACT:
A device in an automatic machine feeds metered quantities of a paste substance to be introduced into containers by a filling nozzle. In the device, a central body has a bore defining a cylinder closed at top by a cap, and a parallel inlet channel leading to the bore through an inlet aperture. An inlet conduit block is fastened to the central body and connects the inlet channel with a hopper. An exhaust conduit is fastened to the central body and connects an outlet aperture, made in the cylinder, with a conveying device associated to a filling nozzle. A piston having a longitudinal groove is slidingly inserted in the cylinder. A power apparatus moves and rotates the piston along the cylinder, so as to bring the groove to face respectively the inlet opening, during a suction step with a downward motion of the piston, and the outlet aperture, during a delivery step with an upward movement of the piston. Quick couplings, operated without tools, removably fasten the central body to the inlet conduit block, the inlet conduit block to the hopper, the exhaust conduit to the conveying device and the stem to the power apparatus.

REFERENCES:
patent: 2778528 (1957-01-01), Corcoran
patent: 2934872 (1960-05-01), Wise
patent: 3090524 (1963-05-01), Corcoran
patent: 3311272 (1967-03-01), Westbrook
patent: 6733256 (2004-05-01), Knobel
patent: 2004/0251279 (2004-12-01), Heitlinger
patent: 43 12 015 (1994-10-01), None
patent: 1 739 018 (2007-01-01), None
patent: 2 156 911 (1985-10-01), None

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