Device for tightly sealing bags destined to the vacuum packaging

Details Device for tightly sealing bags destined to the vacuum packaging Device for tightly sealing bags destined to the vacuum packaging

1989-01-18

1990-05-29

Sipos, J.

Special receptacle or package

Evacuated

53434, 53512, 383 68, B65B 3106, B65D 3317

Patent

active

049288296

ABSTRACT:
A device for tightly sealing bags and/or envelopes destined to the vacuum packaging of products, in particular foodstuffs, comprising a clamping member equipped with means for grasping and tightly closing against each other mutually opposite edges in correspondence of the open side of said bag. With the grasping and clamping means, a valve element cooperates, through which the air contained inside the bag can be evacuated when to the bag a vacuum source is applied.

REFERENCES:
patent: 3851437 (1974-12-01), Waldrop et al.
patent: 3866390 (1975-02-01), Moreland, II et al.
patent: 3939287 (1976-02-01), Orwig et al.
patent: 3965646 (1976-06-01), Hawkins
patent: 4164111 (1979-08-01), Bernardo
patent: 4174599 (1979-11-01), Callet et al.
patent: 4221101 (1980-09-01), Woods
patent: 4241558 (1980-12-01), Gidewall et al.
patent: 4330975 (1982-05-01), Kakiuchi
patent: 4478025 (1984-10-01), Scanlan

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