B - Operations – Transporting – 07 – B
Patent
B - Operations, Transporting
07
B
B07B 1/46 (2006.01) B01D 33/03 (2006.01)
Patent
CA 2201903
Detachable screen cloths (14) are fixed on a screen cloth element (11) having a rigid support frame (12, 13) serving as a holder and intended to be fixed in the screen frame (10) of a screening machine. The detachable screen cloths (14) have a rigid screen cloth frame (30, 31) surrounded at least partially by elastomeric material. The rigid mounting frame (12, 13) of the screen cloth element has a guide device (32, 33) which is laterally open for receiving and holding the screen cloth (14). The screen cloth (14) is in sliding engagement with the guide device (32, 33) during the insertion thereof into the guide devices. The screen cloth (14) and the guide device (32, 33) have inter- engaging surfaces preventing, during the screening operation, relative movements between the screen cloth (14) and the rigid mounting frame (12, 13) of the screen cloth element in directions making an angle with the plane of the screen cloth.
Des toiles de criblage détachables (14) sont fixées sur un élément à toile de criblage (11) doté d'un cadre de support rigide (12, 13) servant de dispositif de maintien et conçu pour être fixé dans le châssis de criblage (10) d'un crible. Ces toiles de criblage détachables (14) comprennent un cache rigide (30, 31) entouré au moins en partie d'un matériau élastomère. Le cache de montage rigide (12, 13) de l'élément à toile de criblage présente un dispositif de guidage (32, 33) ouvert sur le côté pour recevoir et maintenir la toile de criblage (14). Celle-ci entre en prise coulissante avec ce dispositif de guidage (32, 33) quand elle y est insérée. La toile de criblage (14) et le dispositif de guidage (32, 33) présentent des surfaces entrant mutuellement en prise qui évitent, pendant le criblage, tout mouvement relatif entre la toile de criblage (14) et le cadre de montage rigide (12, 13) de l'élément à toile de criblage, dans des directions faisant un angle avec le plan de la toile de criblage.
Fetherstonhaugh & Co.
Svedala Trellex Ab
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