Methods for forming packages from a web of preformed bags. In one exemplary method of forming packages from a web of preformed bags, a first bag is held open with air. A product is loaded into the first bag that is held open with air. An opening of the first bag is sealed. A next bag is indexed such...http://www.google.com.au/patents/US8069635?utm_source=gb-gplus-sharePatent US8069635 - Packaging machine
