D - Textiles – Paper – 21 – F
Patent
D - Textiles, Paper
21
F
D21F 7/00 (2006.01) B08B 15/04 (2006.01) B26D 7/08 (2006.01) B26D 7/22 (2006.01) B26F 3/00 (2006.01) B65H 35/04 (2006.01) D21G 9/00 (2006.01)
Patent
CA 2419660
A protective arrangement (37) for a cutting equipment (10) for dividing a continuous fiber web (7) is described, said cutting equipment being arranged in a board or paper machine and includes at least one cutting member (16) for cutting the fiber web (7). In accordance with the invention the protective arrangement includes an endless belt member (20) movably arranged and having a straight run (21) between the cutting equipment and the fiber web to screen off at least an essential part of the cutting equipment from fibers which are released from the fiber web during the cutting. It also includes one or more cleaning members (34, 35) at least one of which being arranged in connection to the outside of the belt member at a distance from the cutting member, to remove the portion of the released fibers being caught by the belt member. The invention also relates to a board or paper machine that has such a protective arrangement.
L'invention concerne un dispositif de protection (37) destiné à un matériel de découpage (10) de feuilles continues de papier (7). Ce matériel de découpage est utilisé dans une machine à carton ou à papier et comprend au moins un élément tranchant (16) destiné au découpage de la feuille de papier (7). Selon l'invention, le dispositif de protection comprend une courroie sans fin (20) mobile suivant une course en ligne droite (21) entre le matériel de découpage et la toile de papier, cette courroie permettant de protéger au moins une grande partie du matériel de découpage contre les pertes de papier de la feuille de papier, lors du découpage. Ce dispositif comprend également un ou plusieurs éléments de nettoyage (34, 35), un d'eux au moins étant relié à la partie extérieure de la courroie, à une certaine distance de l'élément de découpage. Ces éléments de nettoyage permettent d'éliminer les pertes de papier fixées sur la courroie. L'invention concerne également une machine à carton ou à papier comprenant ledit dispositif de protection.
Gowling Lafleur Henderson Llp
Metso Paper Karlstad Ab
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