METHOD AND EQUIPMENT FOR EXTRUSION

A method for extrusion molding and equipment for carrying out the method is disclosed in which, prior to extrusion, porous blocks are compressed such that the density gradually increases from the interior to the exterior to force enclosed gas to flow in outward directions.

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Bibliographische Detailangaben
1. Verfasser:	WESSEL O,DT
Format:	Patent
Sprache:	eng
Schlagworte:	AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKINGWITHOUT ESSENTIALLY REMOVING MATERIAL CASTING MAKING METALLIC POWDER MANUFACTURE OF ARTICLES FROM METALLIC POWDER MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES,OTHERWISE THAN BY ROLLING MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL PERFORMING OPERATIONS POWDER METALLURGY PUNCHING METAL TRANSPORTING WORKING METALLIC POWDER
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Beschreibung
Zusammenfassung:	A method for extrusion molding and equipment for carrying out the method is disclosed in which, prior to extrusion, porous blocks are compressed such that the density gradually increases from the interior to the exterior to force enclosed gas to flow in outward directions.