Patent ID: 9598216
Date: 2017-03-21
CPC Classifications: B31D,B32B,B65D,Y10T

Claim:
1. A web for forming dunnage units, comprising: a first elongated layer; a second elongated layer superposed over the first elongated layer; a plurality of seals that hermetically join the first elongated layer to the second elongated layer to form a plurality of inflatable pouches and an inflation channel that is in fluid communication with the pouches and is disposed outside of the pouches; an inflation side line of perforations through the first and second layers, between at least one pair of adjacent pouches; a gap forming area defined in the first and second layers between at least one pair of adjacent pouches, the gap forming area comprising a cut that is longer than any other perforation of the web; an opposite side line of perforations through the first and second layers, between at least one pair of adjacent pouches; wherein the inflation side line of perforations, the cut, and the opposite side line of perforations are arranged in a line; wherein the inflation side line of perforations has a length that extends from the inflation channel to the cut, and the cut has a length that extends from the inflation side line of perforations to the opposite side line of perforations; and wherein a length of the opposite side line of perforations is at least three times as long as the cut.