Patent ID: 6367976
Filing Date: 2002-04-09
Classification: B65D

Abstract:
A gussetted multi-wall bag comprisinga tubular multi-wall bag having upper and lower ends, said upper and lower ends being pinch closeable; front and back walls joined at opposite bag sides by at least two side gussets running the length of the bag; said at least two side gussets having upper and lower ends adjacent the upper and lower ends of said bag; said at least two side gussets each having a generally v-shaped configuration; said at least two side gussets each having walls joined at an apex forming the v-shape; said walls of the v-shaped gussets being bonded together at the upper and lower ends thereof, wherein the bonding comprises at least one adhesive bond location therebetween; said front and back bag walls, and said at least two side gussets having upper and lower ends that are stepped whereas to form ply edges that are stepped with respect to next adjacent ply edges; and said at least two side gussets being non-bonded and freely expandable between said upper and lower bonded ends upon the receipt of product into the bag.