A novel process provides an inflatable bag for filling the void and particularly head space of partially filled boxes, the bag comprising an air chamber therein and manufactured from a single sheet of linear, low density polyethylene folded and heat sealed with a first end seam, a second end seam, and...http://www.google.com.au/patents/US5254074?utm_source=gb-gplus-sharePatent US5254074 - Inflatable packaging bag
