D - Textiles – Paper – 21 – B
Patent
D - Textiles, Paper
21
B
D21B 1/26 (2006.01) D21B 1/18 (2006.01)
Patent
CA 2275636
An arrangement in a pulp grinder comprising a grindstone (1), a feed chute (2), and a piston to feed wood (3) against the grindstone (1). The arrangement comprises separate pushing members (6), which are arranged to push the wood (3) against the grindstone (1) at essentially the entire width of the feed chute when the percussion piston is moved back to the stroke position to allow the feed of a new batch of wood.
Un dispositif contenu dans un défibreur à meule comprend une meule (1), un glissoir d'alimentation (2) et un piston pour amener le bois (3) contre la meule (1). Le dispositif comporte des éléments pousseurs (6) séparés, qui sont conçus pour pousser le bois (3) contre la meule (1) sur sensiblement toute la largeur du glissoir quand le piston de percussion revient en position de poussée, de façon à permettre l'arrivée d'un nouveau lot de bois.
Haikkala Pekka
Hautala Jouko
Liimatainen Heikki
Parssinen Kari
Setala Simo
Metso Paper Inc.
Sim & Mcburney
Valmet Corporation
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