Apparatus for packaging in a protective atmosphere

Details Apparatus for packaging in a protective atmosphere Apparatus for packaging in a protective atmosphere

1989-06-07

1990-06-19

Spruill, Robert L.

Package making

With contents treating

Vacuum or inert atmosphere

B65B 3102

Patent

active

049341278

ABSTRACT:
An apparatus and method adaptable to a double indexing forming, filling and sealing machine for packaging liquid products in cartons, associated with the filling and top forming and sealing units for displacing with nitrogen the oxygen normally present in the headspace of the filled cartons. The apparatus includes a housing having a covered chamber and open bottom, with a diffuser screen and pairs of baffle arrangements therein for directing the nitrogen downwardly and forwardly into the leading carton of an aligned pair of filled but open-topped cartons, and downwardly and rearwardly into the trailing carton of the pair prior to sealing the end closures thereof.

REFERENCES:
patent: 2506769 (1950-05-01), Bergstein
patent: 2672420 (1954-03-01), Jeremiah
patent: 3477192 (1969-11-01), Brown et al.
patent: 3942301 (1976-03-01), Domke
patent: 4094121 (1978-06-01), Ganholt
patent: 4140159 (1979-02-01), Domke
patent: 4456118 (1984-06-01), Kauffman et al.
patent: 4602473 (1986-07-01), Hayashi et al.
patent: 4703609 (1987-11-01), Yoshida et al.
patent: 4827696 (1989-05-01), Arends et al.

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