Method and apparatus for filling valved bags

Details Method and apparatus for filling valved bags Method and apparatus for filling valved bags

1984-09-06

1986-03-11

Bell, Jr., Houston S.

Fluent material handling, with receiver or receiver coacting mea

Processes

Bag filling

141 46, 141 68, 141 93, 141286, B65B 104

Patent

active

045747202

ABSTRACT:
Bags having a filling valve sleeve which are adapted for containing pulverulent material are filled by inserting a filler nozzle into the sleeve and blowing the material through the nozzle and then through an entry port in the sleeve into the bags. The filler nozzle has a transversely flattened configuration which conforms to the shape of the valve sleeve. The valve sleeve has an inner end which is closed and formed devoid of deep corners and the filler nozzle has a nose portion which is formed so as to conform in profile to the inner end of the sleeve. The entry port of the sleeve is disposed in the bottom wall thereof and the filler nozzle has a delivery port in its bottom wall which registers with the sleeve entry port. The valve sleeve has an inner plastic film lining, and the filler nozzle has a groove which surrounds the nozzle delivery port to which groove a vacuum is applied so as to draw the plastic lining into sealing engagement with the filler nozzle.

REFERENCES:
patent: 4311173 (1982-01-01), Sailors
patent: 4387749 (1983-06-01), Donisi

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