Vacuum packing device

Details Vacuum packing device Vacuum packing device

1981-08-31

1984-10-23

Godici, Nicholas P.

Package making

With contents treating

Vacuum or inert atmosphere

53434, 53 86, 53390, B65B 3100

Patent

active

044780257

ABSTRACT:
A method and means for vacuum sealing perishable materials in bags fabricated of vacuum gas impermeable material. A method according to the present invention includes: partially filling a bag fabricated of gas impermeable material with perishable product, loosely positioning clamping means about the open end of said bag, isolating the loosely clamped bag in a sealed treatment zone, drawing a vacuum in the treatment zone to evacuate the interior of said loosely clamped bag, maintaining the vacuum for a period of time to equalize vacuum pressure within the treatment zone and the loosely clamped bag, rapidly breaking the vacuum to expel remaining gases from the bag and to compress the clamping means to seal the bag, separately sealing the clamped-end of the bag and removing the clamping means to obtain a vacuum packed product.

REFERENCES:
patent: 3832824 (1974-09-01), Burrell
patent: 3867226 (1975-02-01), Guido et al.
patent: 4057949 (1977-11-01), Greffe
patent: 4164111 (1979-08-01), Di Bernardo

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