Apparatus for evacuating and sealing rectangular packages

Details Apparatus for evacuating and sealing rectangular packages Apparatus for evacuating and sealing rectangular packages

1984-06-25

1985-09-03

Sipos, John

Package making

With contents treating

Vacuum or inert atmosphere

53 95, B65B 3104

Patent

active

045383995

ABSTRACT:
An apparatus for evacuating and sealing rectangular packages includes a turntable, a plurality of vacuum hoods arranged circumferentially on the turntable and having an open position in which a package to be evacuated and sealed is received and a sealed, closed position. There is provided a package-engaging surface on each hood on its inside and an abutting mechanism arranged on the turntable below each vacuum hood. Each abutting mechanism also has a package-engaging surface. The abutting mechanism is arranged for radially outward movement for displacing, with its package-engaging surface, a package towards the package-engaging surface of the vacuum hood. In the closed position of the vacuum hood the package thereunder is engaged at opposite sides by the two surfaces.

REFERENCES:
patent: 2235394 (1941-03-01), Berch
patent: 2933868 (1960-04-01), Graefingholt
patent: 2966019 (1960-12-01), Graefingholt
patent: 3010264 (1961-11-01), Christensson
patent: 3058274 (1962-10-01), Christensson
patent: 3103771 (1963-09-01), Graefingholt
patent: 3220157 (1965-11-01), Buchner
patent: 3501888 (1970-03-01), Egli et al.

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