Vacuum packaging method and apparatus

Details Vacuum packaging method and apparatus Vacuum packaging method and apparatus

1975-11-14

1976-05-25

McGehee, Travis S.

Package making

Interrelated or safety controls

53 95, 53112B, B65B 3102

Patent

active

039583910

ABSTRACT:
A quantity of livestock meat for food is charged into a package bag made of a heat-shrinkable plastic film of substantially tubular shape of constant overall length sufficient for packaging variable quantities of the meat, the bag having a bottom end closed by transverse heat sealing and an open top end and being thus charged in a manner to leave an unfilled part between the seal and the meat, a surplus bag part being left outside of the seal, and this surplus part just outside of the seal is transversely and partially cut for subsequent serverence of the surplus bag part from the package bag, which is then immersed in hot water for a few seconds to cause shrinkage of the bag tightly around the meat. The vacuum packaging operation is advantageously accomplished in vacuum chambers formed by a continuity of vacuum boxes mating with corresponding platform plates in a vacuum packaging apparatus.

REFERENCES:
patent: 3006120 (1961-10-01), Grafingholt
patent: 3511021 (1970-05-01), Lyon et al.

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