Method of packaging products to be preserved under vacuum or atm

Details Method of packaging products to be preserved under vacuum or atm Method of packaging products to be preserved under vacuum or atm

1976-09-13

1977-08-30

McGehee, Travis S.

Package making

Interrelated or safety controls

B65B 3108

Patent

active

040445240

ABSTRACT:
Machine for packaging products under vacuum or inert gas atmosphere, comprising means for wrapping the product with sheet material, generally thermoplastic material, means for longitudinally sealing the material, means for carrying out transverse seals, means for perforating the sheet material and evacuating air from the package and possibly injecting inert gas, and means for carrying out a further transverse seal to insulate the hole.

REFERENCES:
patent: 2387812 (1945-10-01), Sonneborn et al.
patent: 2861406 (1958-11-01), Holsman et al.
patent: 3673760 (1972-07-01), Canamero et al.

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