Stretcher-injector device for airtight sealing and gas exchange

Details Stretcher-injector device for airtight sealing and gas exchange Stretcher-injector device for airtight sealing and gas exchange

1994-02-01

1995-04-18

Sipos, John

Package making

With contents treating

Vacuum or inert atmosphere

53512, 533736, B65B 3100

Patent

active

054067766

ABSTRACT:
A stretcher-injector device to be applied to wrapping machines is disclosed, which is suitable to be inserted into each of the two lateral film sleeves resulting from the wrapping at the two opposite sides of the package not covered by the film wrapping; it is actuated pneumatically both to stretch the film in order to assure its airtightness, and to carry out the atmosphere change inside the package, e.g. of food products.

REFERENCES:
patent: 5201165 (1993-04-01), Marano et al.
patent: 5228269 (1993-07-01), San Filippo et al.
patent: 5271207 (1993-12-01), Epstein et al.

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