B - Operations – Transporting – 26 – F
Patent
B - Operations, Transporting
26
F
B26F 1/26 (2006.01) B26D 7/08 (2006.01) B26F 1/24 (2006.01) B29C 65/08 (2006.01)
Patent
CA 2329383
The invention includes of a system and method of ultrasonically perforating adhesive bandage backings. The invention eliminates the gap between the ultrasonic horn and the pin roll, and provides for a wear resistant release coating on the pin roll. Further, the method and system disclose cooling the ultrasonic horn with a forced air stream, and provide for a pre- or post-nip roll to control the tension of the continuous web of backing. The web of backing is kept under tension with a nip roll, and passes between an ultrasonic horn and an immediately adjacent pin roll for perforation by the ultrasonic horn. The resulting material of the web backing is smoother, and has better hole quality than that seen in the prior art.
L'invention comprend un système et une méthode pour perforer les supports de pansements adhésifs. L'invention élimine l'écart entre le cornet ultrasonique et le rouleau à broches, et prévoit un revêtement antiadhésif résistant à l'usure sur le rouleau à broches. En outre, la méthode et le système divulguent le refroidissement du cornet ultrasonique avec un courant d'air forcé, et prévoient un rouleau pré- ou post-presseur pour contrôler la tension de la bande continue de support. La bande de support est maintenue sous tension avec un rouleau presseur, et passe entre un cornet ultrasonique et un rouleau à broches qui y est immédiatement adjacent pour la perforation par le cornet ultrasonique. Le matériau obtenu en ce qui concerne la bande de support est plus lisse, et a une meilleure qualité de trous que celle observée dans l'art antérieur.
Adams Charles Lee
Chaney Angela
Kapalo Robert
Meizanis James
Muesch Edward
Johnson & Johnson Consumer Companies Inc.
Smart & Biggar
LandOfFree
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