A motorless Velcro tape feed and cut assembly acting as a slave unit which cooperates with the horn of an ultrasonic welding machine. When the horn is brought down to carry out a welding action, it then depresses the spring-biased operating block of the assembly, causing it to shift downwardly from its...http://www.google.es/patents/US4752351?utm_source=gb-gplus-sharePatente US4752351 - Automated velcro feed and cut assembly for ultrasonic welding applications
Automated velcro feed and cut assembly for ultrasonic welding applications
