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US 6,270,245 B1Granted
Extrusion machine barrel having a three-lobe bore, and liner therefor
AssigneeClextral
InventorsLaurent Bruyas, Daniel Chenevier, Serge Maisonny
Life of this patent
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Abstract
An extrusion machine having a barrel containing a bore formed of three lobes, designed to receive a liner whose outer face is also formed of three lobes and which has two secant bores which have parallel axes and are adapted to receive two screws.
Claims7
An extrusion machine comprising a barrel (1) having a bore (3) formed of three lobes and a liner (4) having an external face that is formed of three lobes and having two parallel-axis secant bores (5, 6) in which two screws are located.
Dependencies are inferred from the claim text.