B - Operations – Transporting – 29 – C
Patent
B - Operations, Transporting
29
C
18/702
B29C 45/24 (2006.01) B01D 29/44 (2006.01)
Patent
CA 1106122
TITLE: FILTER FOR LIQUIDS ABSTRACT OF THE DISCLOSURE An injection nozzle for an injection moulding machine is described. The nozzle includes a body having a filter chamber and a filter element removably received in the chamber in the filter body. The outer surface of the filter element is defined by a plurality of slots which extend generally longitudinally of the element in circum- ferentially spaced positions, and a corresponding plurality of intervening lands. Each slot has a blind inner end and an outer end which opens into an end of the filter element, the slots being arranged so that alternate slots communicate by way of their outer ends with the filter chamber inlet opening and define with the inner surface of the filter chamber, inlet flow channels for liquid to be filtered, while the intervening slots communicate with the filter chamber outlet opening and similarly define outlet flow channels for said liquid. The lands between the slots de- fine filtering gaps which provide liquid communication be- tween adjacent flow channels and are dimensioned to prevent particles above a predetermined size passing through the filter element.
298432
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Magna International Inc.
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