B - Operations – Transporting – 30 – B
Patent
B - Operations, Transporting
30
B
B30B 9/12 (2006.01)
Patent
CA 2646122
A screw press (1) for the separation of liquid from a fibre suspension comprises a casing (2) with openings for the throughflow of liquid. A screw with a screw helix (4) is rotatably mounted in the casing (2), wearing parts (6) being fixed to said helix. Wearing parts (6) and support (7) have a material connection by means of a welded joint and a positive fit connection by means of a projection (8) arranged on both parts engaging in a recess (9) on the other part.
L'invention concerne une presse à vis (1) servant à séparer un liquide d'une suspension de matières fibreuses, cette presse à vis (1) comprenant une enveloppe (2) présentant des ouvertures pour le passage du liquide. Une vis présentant un filet (4) sur lequel sont fixés des éléments d'usure (6) est montée de façon rotative dans l'enveloppe (2). L'élément d'usure (6) et le support (7) sont reliés par liaison de matière par brasage et assemblés par complémentarité de forme au moyen d'une partie saillante (8) disposée sur l'une des deux pièces, cette partie saillante (8) venant en prise dans un évidement (9) formé dans l'autre pièce.
Andritz Ag
Marks & Clerk
LandOfFree
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