B - Operations – Transporting – 65 – B
Patent
B - Operations, Transporting
65
B
B65B 51/00 (2006.01) B29C 65/08 (2006.01) B29C 65/74 (2006.01) B65B 9/12 (2006.01) B65B 51/09 (2006.01) B65B 51/22 (2006.01) B65B 51/30 (2006.01)
Patent
CA 2320108
The invention solves in a new manner the known problems of making packages in the form of a continuous tube completely and reliably tight through a method, which is mainly distinguish by the tube being pressed together at the constricting positions into a string and that the string along plural lines are subjected to high and preferably pulsating pressure of such a magnitude that the material becomes adhering. The lines may be transversal with respect to the tube or crossing each other so as to form a checked pattern. The pulsation in pressure is suitably obtained through ultrasound. The invention concerns a device as well as a sealing method.
L'invention porte sur une nouvelle façon de résoudre le problème bien connu de la production d'emballages tubulaires parfaitement étanches au moyen d'un procédé consistant principalement à étrangler le tube en ses points de constriction pour le réduire à la taille d'un fil qui est soumis le long de plusieurs lignes à une pression élevée, de préférence pulsée, telle que le matériau adhère à lui-même. Les lignes peuvent être transversales par rapport au tube ou se croiser pour former un damier. La pulsation de la pression peut facilement provenir d'ultrasons. L'invention porte aussi bien sur le dispositif que sur le procédé de fermeture.
Eriksson Vilho
Kirby Eades Gale Baker
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