Packaging machine having individual controlled atmosphere chambe

Details Packaging machine having individual controlled atmosphere chambe Packaging machine having individual controlled atmosphere chambe

1988-01-13

1989-07-11

Sipos, John

Package making

With contents treating

Vacuum or inert atmosphere

53 86, 53 95, 53512, 53575, B65B 3100, B65B 910

Patent

active

048459275

ABSTRACT:
In a packaging machine, a plurality of upwardly open receptacles are moved along a first path by a first conveyor and a plurality of packages are formed and inserted into each receptacle respectively. The packages may be filled before or after insertion into the receptacle. A plurality of covers are movable on a second closed path by a second conveyor and are brought into sealed engagement with a respective receptacle to define a sealed chamber. A pressure control device is connected to each chamber by means of a rotatable plenum chamber and a plurality of flexible conduits connected between the rotatable plenum chamber and each sealed chamber. After subjecting the contents of each package to the desired pressure, each package is sealed and subsequently removed from the receptacle.

REFERENCES:
patent: 2966019 (1960-12-01), Grafingholt
patent: 3006120 (1961-10-01), Grafingholt
patent: 3942301 (1976-03-01), Domke
patent: 3958391 (1976-05-01), Kujubu
patent: 4580393 (1986-04-01), Furukawa
patent: 4640081 (1987-02-01), Kawaguchi

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