Method and apparatus for replacing air within a container head s

Details Method and apparatus for replacing air within a container head s Method and apparatus for replacing air within a container head s

1985-03-28

1986-07-29

Sipos, John

Package making

With contents treating

Vacuum or inert atmosphere

53432, B65B 3104

Patent

active

046024735

ABSTRACT:
Just before a container is sealed by a container sealing apparatus or a container has a sealing body fed to its narrow-mouth by a sealing body feeder, an inert gas is blown into a head space of the container to replaced air present in the head space, and thereafter the container is immediately sealed or a sealing body is fed thereto to sealingly confine the inert gas within the head space. Preferably prior to the above-mentioned step, a heated gas is fed into the head space of the container which has been filled with a liquid to eliminate bubbles existing within the head space and remove the air trapped in the bubbles by the thermal energy of the heated gas. An apparatus to be used for practicing the above method is also disclosed.

REFERENCES:
patent: 2362799 (1944-11-01), Boyd
patent: 2380434 (1945-07-01), Heince
patent: 2630957 (1953-03-01), Hohl
patent: 2660352 (1953-11-01), Renard
patent: 2672420 (1954-03-01), Jeremiah
patent: 2692715 (1954-10-01), Doudera, Jr.
patent: 3246447 (1966-04-01), Smith

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