Method of producing sealed packaging containers

Details Method of producing sealed packaging containers Method of producing sealed packaging containers

1982-03-08

1985-11-05

Culver, Horace M.

Package making

Methods

Closing package or filled receptacle

53410, 53456, 53469, 53403, 53404, 493213, 493220, B65B 5102, B65B 128, B65B 318

Patent

active

RE0320188

ABSTRACT:
Method of manufacturing a filled packaging container comprising the steps of forming a bag on a mandrel, connecting a seam provided in a formed bag, forming a hole on an upper side of the bag and inserting a valve into the hole to provide an air pressure release after filling the container with a material. Two opposite edges of the valve are formed with two flexible portions made of foil. A sealing fluid is applied in the channel to provide a fluid film to connect the foil portions.

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