D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
D21D1/00—Methods of beating or refining; Beaters of the Hollander type
D21D1/02—Methods of beating; Beaters of the Hollander type
D21D1/18—Beaters with two or more beater rolls
D—TEXTILES; PAPER
D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
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
Rouleau conditionneur de faucheuse-conditionneuse, procede de fabrication d'un tel rouleau et faucheuse-conditionneuse equipee d'un tel rouleau