D - Textiles – Paper – 21 – G
Patent
D - Textiles, Paper
21
G
D21G 3/00 (2006.01) B05C 11/02 (2006.01) D21H 25/10 (2006.01)
Patent
CA 2448181
The invention relates to equipment for changing a blade, which blade is intended to be placed in a blade holder (10) and which is preferably arranged as a flexible band (16). The equipment includes reels (14, 15) for keeping the band (16) reeled and transfer devices (18) for moving the band (16) in the blade holder (10) between the reels (14, 15). In addition, the equipment includes guide devices (17) for guiding the band (16) from a reel (14, 15) to the blade holder (10) and vice versa. The guide devices (17) are also arranged to turn the band (16) longitudinally to be essentially parallel to the blade holder (10). The closest guide member (20) of the guide members (20, 20') belonging to the guide devices (17) is rotated to a position that essentially corresponds to the position of the blade holder (10) turned to the blade- changing position. The invention also relates to a method for changing the blade.
Cette invention concerne une installation de changement de lame, laquelle lame est destinée à être montée dans un porte-lame (10) et se présente de préférence sous la forme d'un ruban souple (16). L'installation comprend des rouleaux (14, 15) qui maintiennent le ruban (16) enroulé et des dispositifs de transfert (18) qui amènent ledit ruban dans le porte-lame (10) entre les rouleaux (14, 15). De plus, l'installation comporte des dispositifs de guidage (17) qui guident la ruban (10) du rouleau (14, 15) jusqu'au porte-lame (10) et vice versa. Ces dispositifs de guidage sont par ailleurs conçus pour faire tourner le ruban longitudinalement de manière à ce qu'il soit pour l'essentiel parallèle au porte-lame (10). Le plus proche (20) des éléments de guidage (20, 20') des dispositifs de guidage (17) est tourné sur une position qui correspond essentiellement à celle du porte-lame lorsqu'il est tourné sur la position de changement de lame. L'invention concerne également une méthode de changement de la lame.
Eskelinen Ilkka
Narhi Ari
Ruotsalainen Harri
Gowling Lafleur Henderson Llp
Metso Paper Inc.
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