DEVICE FOR DOCTORING THE BELT OF A BELT ROLL

The invention relates to a device f or doctoring the belt ( 12 ) of a belt roll ( 10 ) , the outer surface ( 44 ) of which belt ( 12 ) is partly open . The devi ce includes a blade holder ( 20 ) , which is f i tted with a blade ( 18 ) , in such a way that , in the operating position of the device ,...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	VOERGREN, SAMPO
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	ACCESSORIES FOR PAPER-MAKING MACHINES CALENDERS METHODS OF PRODUCING PAPER THEREON PAPER-MAKING PAPER-MAKING MACHINES PRODUCTION OF CELLULOSE TEXTILES
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Beschreibung
Zusammenfassung:	The invention relates to a device f or doctoring the belt ( 12 ) of a belt roll ( 10 ) , the outer surface ( 44 ) of which belt ( 12 ) is partly open . The devi ce includes a blade holder ( 20 ) , which is f i tted with a blade ( 18 ) , in such a way that , in the operating position of the device , the blade ( 18 ) lies against the outer surf ace ( 44 ) of the bel t ( 12 ) . In the devi ce the hardnes s o f the blade ( 18 ) is less than the hardness of the outer surf ace ( 44 ) . The device f urther includes an air doctor ( 14 ) f or removing water from the belt ( 12 ) . L'invention concerne un dispositif pour racler la courroie (12) d'un rouleau à courroie (10), la surface externe (44) de la courroie (12) étant partiellement ouverte. Le dispositif comporte un porte-lame (20) qui est muni d'une lame (18) de telle sorte que dans la position de fonctionnement du dispositif, la lame (18) s'applique contre la surface externe (44) de la courroie (12). Dans le dispositif, la dureté de surface de la lame (18) est inférieure à la dureté de la surface externe (44). Le dispositif comporte en outre un racleur à air (14) pour enlever l'eau de la courroie (12).