Filling method of particulate material into valved packing bag and apparatus employed therefor
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United States of America Patent
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-
Feb 12, 1985
Grant Date -
N/A
app pub date -
Feb 7, 1983
filing date -
Feb 16, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In the particular filling method disclosed in the specification a side valve type packaging bag is filled by inserting a filling tube into the bag valve, expanding a rubber tube surrounding the filling tube to form a seal with the valve opening, supplying particulate material to the interior of the bag and rotating the filling tube to distribute the particulate material within the bag, and then wetting an adhesive in the valve before withdrawing the filling tube from the bag. The filling apparatus according to the invention includes a filling tube which is mounted for rotation about its axis on a support plate and has a pouring spout directed at an angle to its axis and a pneumatic piston connected to the filling tube to rotate the tube about its axis and weighing mechanism for detecting filling of the bag.
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