Patent ID: 6978893
Filing Date: 2005-12-27
Classification: B32B,B65D,Y10S,Y10T

Abstract:
1. In a multi-chambered inflatable packaging system having overlying first and second film layers connected together around a perimeter of the first and second layers by a perimeter seal except for a gap sufficient in size to allow an inflation medium to be introduced into an interior defined between the first and second film layers, an inflation channel formed by a first seal of the first and second film layers adjacent a portion of the perimeter, wherein the inflation channel is in fluid communication with the gap, a plurality of separate inflatable cells in fluid communication with the inflation channel, the plurality of inflatable cells formed by plurality of spaced second seals extending from and transverse to the first seal, the improvement comprising: means for maintaining airflow through the inflation channel as the plurality of inflatable cells are inflated, wherein the means for maintaining airflow comprises a corner seal of the first and second film layers between the first seal and each second seal, the corner seal isolating a portion of the first and second film layers from fluid communication with the inflation channel and each inflatable cells, wherein the portion is thereafter removed to create a void.