Patent ID: 6997858
Filing Date: 2006-02-14
Classification: B31B,B65D

Abstract:
1. A side gusseted poly bag with a filling valve, comprising: a tubular body constructed of a thermoplastic material having side gussets one on each side defining forward and rear main panels, said forward and rear panels being heat sealed together with the gussets along a top portion and a bottom portion of the poly bag except at one corner of the poly bag where the front panel is not connected to the rear panel defining a filling opening in the poly bag, a filling tube attached to the front and rear panels at the opening and extending into the bag interior along upper portions of the front and rear panels and heat sealed with the heat seal of the front and rear panels forming a tubular filling valve, said filling tube being formed integral with the bag by portions of the side gusset at said corner and substantial portions of the front rear panels without any separate pieces, said integral filling tube extending a substantial distance into the bag, said filling tube portions of the front and rear panel being heat sealed along the upper portions of the front and rear panels and heat sealed therewith to close the bag and form the filling valve.