A method of manufacturing a resin bag whereby the peripheral edge of the bag such as a resin air baa is not bulky, the bonding strength is still sufficient, and the productivity is increased, is provided. A first resin sheet 1 and a heat-resisting sheet 3 are overlaid on each other and are disposed in...http://www.google.es/patents/US6413597?utm_source=gb-gplus-sharePatente US6413597 - Resin bag and manufacturing method thereof
