Package making – With contents treating – Vacuum or inert atmosphere
Patent
1981-06-18
1982-08-17
Sipos, John
Package making
With contents treating
Vacuum or inert atmosphere
53255, 53257, 53567, B65B 914, B65B 3104
Patent
active
043442706
ABSTRACT:
There is provided an apparatus and method of packaging commodities in a flexible wrapper. The apparatus includes first and second stations with a wrapper engaging assembly moving between the first and second stations, wrapper cutting and sealing means which severs a bag length from a continuous roll of flexible material, a component for opening the open leading end of the wrapper at the second station, a funnel which is preferably expandable and which engages the open mouth of the wrapper so as to permit loading of the commodity into the wrapper, and a further assembly which seals the open mouth of the bag length, preferably under vacuum, by having a component preferably in the form of a pair of fingers which engages the mouth of the bag to place it under tension whereafter a sealing assembly seals the mouth of the bag to form an improved weld across the mouth of the bag.
REFERENCES:
patent: 2590327 (1952-03-01), Kay
patent: 2778177 (1957-01-01), Mahaffy
patent: 2982068 (1961-05-01), Pape
patent: 3511021 (1970-05-01), Lyon
patent: 3557526 (1971-01-01), Hartmann
patent: 3916769 (1975-11-01), Turonen
patent: 4110954 (1978-09-01), Olsson
Sipos John
Tex Innovation AB
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