Injection molding nozzle with radial vanes
OwnerJobst Ulrich Gellertinventor
Life of this patent
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Abstract
An integral injection molding nozzle having a highly thermally conductive intermediate portion formed between an inner core portion and an outer shell portion. The inner core portion and outer shell portion are formed of materials having high strength which are wear and corrosion resistant. One of the inner core portion and outer shell portion has a plurality of spaced vanes extending radially across the highly conductive intermediate portion to provide more impact strength.
Claims4
In an integral injection molding nozzle with a front end, a rear end and an intermediate portion formed between an inner core portion and a surrounding concentric outer shell portion, the inner core portion having a melt bore extending centrally therethrough, the inner core portion and the outer shell portion being formed of at least one high strength material, the intermediate portion being formed of a highly thermally conductive material, the improvement wherein;
- at least one of the inner core portion and outer shell portion has a plurality of vanes, said vanes being circumferentially spaced from each other, each vane extending from one of the inner core portion and the outer shell portion radially across the intermediate portion into contact with the other of the inner core portion and the outer shell portion.
Dependencies are inferred from the claim text.