Machine and method for making air-filled packing cushions from a roll of prefabricated film material having a longitudinally extending inflation channel near one edge of the material and chambers which communicate with the channel through laterally extending passageways. The roll rests on a pair of spaced...http://www.google.es/patents/US7150136?utm_source=gb-gplus-sharePatente US7150136 - Machine and method for inflating and sealing air filled packing cushions
Machine and method for inflating and sealing air filled packing cushions
