Patent ID: 9676523
Date: 2017-06-13
CPC Classifications: B65D,B65H

Claim:
1. A self-opening bag, comprising: a front wall, said front wall having an inner surface, an outer surface, first and second side edges, a top edge and a bottom edge; a rear wall, said rear wall having an inner surface, an outer surface, first and second side edges, a top edge and a bottom edge; said front wall being joined to said rear wall adjacent respective first and second side edges thereof; said front wall being sealed to said rear wall adjacent respective bottom edges thereof; said bag being folded once parallel to said side edges to form a folded bag one half of a width of said bag; an open mouth disposed adjacent said top edges; said outer surface of said front wall having first and second portions, each of said portions having an upper end adjacent said open mouth; said outer surface of said rear wall having third and fourth portions, each of said portions having an upper end adjacent said open mouth; at least one attaching feature, said attaching feature being selected from the group comprising: cold staking, hot pinning, multiple corona treatment, corona treatment with pressure points, knife cutting with pressure, wherein said knife cutting with pressure causes edges of a knife cut through adjacent bag layers to adhere together, special resin formulations, and glue spotting; said attaching feature disposed at a point between said first portion and said second portion adjacent said upper end; said attaching feature securing said first portion to said second portion; said bottom edges of said folded bag being releasably attached to said top edges of a subsequent folded bag; said folded bags being rolled into a compact bag roll; and said at least one attaching feature causing said bag to open as said bag is pulled from said subsequent bag.