D - Textiles – Paper – 21 – F
Patent
D - Textiles, Paper
21
F
D21F 7/00 (2006.01) D21G 9/00 (2006.01)
Patent
CA 2445695
For the purpose of transferring a leader of a web-formed material (1) from a first treatment step to a subsequent second treatment step, the web-formed material (1) is divided by forming a strip (1a) in one edge portion of the web- formed material. The strip (1a) is passed in between two sharp edges (5a,6a) located close to each other, such that the two sharp edges (5a,6a) embrace the strip like a pair of shears. Thereafter, one of the sharp edges (6a) is moved towards the other (5a) so that said one edge (6a) passes said other edge (5a), hence cutting off the strip. With the same movement, the leader is given an impulse, in a direction essentially perpendicular to the strip (1a), towards a leader conveyor (7,8) which intercepts the leader and passes it into the second treatment step.
L'invention concerne un procédé permettant de transférer une pointe d'un matériau en bande (1) d'une première étape de traitement vers une seconde étape de traitement subséquente. Selon l'invention, le matériau en bande (1) est divisé par formation d'une bande (1a) au niveau d'un bord du matériau en bande. La bande (1a) est passée entre deux bords tranchants (5a,6a) proches l'un de l'autre, de sorte que les deux bords tranchants (5a,6a) entourent la bande comme une paire de cisailles. Ensuite, l'un des bords tranchants (6a) est déplacé vers l'autre bord (5a) de sorte que ledit bord (6a) passe sur ledit autre bord (5a), coupant ainsi la bande. Par le même mouvement, la pointe reçoit une impulsion, dans une direction sensiblement perpendiculaire à la bande (1a), vers un convoyeur de pointe (7,8) qui intercepte la pointe et la fait passer dans la seconde étape de traitement.
Karlsson Ingemar
Nelenius Erik
Petersson Rolf
Andritz Technology And Asset Management Gmbh
Robic
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