D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
D21B1/00—Fibrous raw materials or their mechanical treatment
D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
D21B1/12—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
Ensemble permettant l'extraction de dechets hors d'une machine de broyage et de decontamination de ces dechets, et permettant l'evacuation de ces dechets
Pulpeur destine au defibrage de matieres premieres du type papiers, cartons ou celluloses, et installation pour la remise en pate de vieux papiers mettant en oeuvre le pulpeur