Vacuum packaging

Details Vacuum packaging Vacuum packaging

1986-02-10

1988-05-17

Culver, Horace M.

Package making

Methods

With contents treating

53512, B65B 3102, B65B 3106

Patent

active

047441992

ABSTRACT:
A process of packaging goods particularly foodstuffs in which the goods are placed in a first container for example a plastics bag or a tray having a deformable lid, sealing the container except for an aperture provided by an open valve. The container is then placed in a second container having rigid walls. A vacuum is then created in both containers after which the inner container is completely sealed by for example closing the valve whilst preventing the entry of undesireable substances. In a preferred process an inert or preserving gas is introduced into the first container prior to sealing.

REFERENCES:
patent: 32018 (1885-11-01), Domke et al.
patent: 1594512 (1926-08-01), Von der Lippe-Lipski
patent: 2870954 (1959-01-01), Kulesza
patent: 3714754 (1973-02-01), Holcombe et al.
patent: 3851437 (1974-12-01), Waldrop et al.
patent: 4221101 (1980-09-01), Woods
patent: 4478025 (1984-10-01), Scanlan
patent: 4534152 (1985-08-01), Akkala
patent: 4548852 (1985-10-01), Mitchell
patent: 4581764 (1986-04-01), Plock et al.

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