A method for ultrasonically bonding thermoplastic materials, for example melt-compatible thermoplastic materials, wherein the thermoplastic materials are preheated prior to entering an ultrasonic bonding means, thereby substantially increasing an ultimate bond strength established between the materials...http://www.google.es/patents/US20030188819?utm_source=gb-gplus-sharePatente US20030188819 - Method for obtaining improved ultrasonic bond strength
Method for obtaining improved ultrasonic bond strength
Número de solicitud: 10/113,798 Número de publicación: US 2003/0188819 A1 Fecha de presentación: 1 Abr 2002 Patente emitida: US6773527 ( Fecha de emisión 10 Ago 2004)