A device for selectively connecting and disconnecting plastic tubes includes a welder. A carriage is located in the welder for conveying a heated wafer through the welder. A pair of arms is mounted in the welder with each arm having a tube holding pocket which extends across its respective arm. The arms...http://www.google.es/patents/US5279685?utm_source=gb-gplus-sharePatente US5279685 - Total containment device for connect/disconnect of plastic tubes
Total containment device for connect/disconnect of plastic tubes
