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1. (WO1979001001) INTERMESHING SCREW-TYPE REFINER
Latest bibliographic data on file with the International Bureau

Pub. No.: WO/1979/001001 International Application No.: PCT/SE1979/000103
Publication Date: 29.11.1979 International Filing Date: 27.04.1979
IPC:
D21B 1/12 (2006.01) ,D21D 1/38 (2006.01)
D TEXTILES; PAPER
21
PAPER-MAKING; PRODUCTION OF CELLULOSE
B
FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
1
Fibrous raw materials or their mechanical treatment
04
by dividing raw materials into small particles, e.g. fibres
12
by wet methods, by the use of steam
D TEXTILES; PAPER
21
PAPER-MAKING; PRODUCTION OF CELLULOSE
D
TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
1
Methods of beating or refining; Beaters of the Hollander type
20
Methods of refining
34
Other mills or refiners
38
with horizontal shaft
Applicants:
Inventors:
Priority Data:
17035/7828.04.1978GB
Title (EN) INTERMESHING SCREW-TYPE REFINER
(FR) RAFFINEUR DU TYPE A VIS EN PRISE
Abstract:
(EN) In a refiner for treating cellulose pulp or similar material of the type comprising two intermeshing rotary screws (2, 3) operating in a housing (1) having a material inlet (5) and a material outlet (l0), the surface of each screw comprises a feeding thread section (2b", 3b") merging into a feed-resisting surface section (2b"", 3b""), the outlet (10) being provided in a side-wall of the housing (1) near the zone where the feeding thread sections (2b", 3b") on both screws end and the feed-reversing surface sections (2b"", 3b"") begin.
(FR) Dans un raffineur de traitement de la pate cellulosique ou autre materiau semblable, du type a deux vis rotatives engrenees l"une dans l"autre (2, 3) fonctionnant dans une enceinte (1) ayant une entree (5) et une sortie (10) du materiau, la surface de chaque vis comprend une section a filetage d"alimentation (2b", 3b") fusionnant en une section a resistance de l"avance (2b"", 3b""), la sortie (10) etant amenagee dans une paroi laterale de l"enceinte (1) a proximite de la zone ou les sections de filetage d"alimentation (2b", 3b") des deux vis se terminent et ou les sections a surface resistante a l"avance (2b"", 3b"") commencent.
Designated States:
Publication Language: English (EN)
Filing Language: English (EN)