Method and apparatus for filling and sealing plastic bag fluid containers
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United States of America Patent
Stats
-
Nov 30, 1982
Grant Date -
N/A
app pub date -
Aug 13, 1980
filing date -
Aug 13, 1980
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Flexible heat-sealable plastic bags to be filled with a fluid or loose particulate material without exposure to the atmosphere are connected to the elliptical nozzle of the filling machine by use of overlapping ellipses. A filling hole, either elliptical or circular, cut in a corner from another otherwise sealed bag will readily slip over the larger elliptical nozzle. The bag is then tightly clamped by a movable member pressing against the rear surface of the elliptical nozzle of the filling machine while the bag is filled with its material through the nozzle. The bag is subsequently heat-sealed around the hole with a heated ring, and a suction stem is inserted into the sealed-off filling hole to withdraw any residual fluid.
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