Method and device for producing a hard metal tool

Metal deforming – By extruding through orifice – Expressing polymetallic-layered product

Reexamination Certificate

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Details

C072S017300, C072S019900, C072S271000

Reexamination Certificate

active

10541172

ABSTRACT:
The method has a first material of lesser hardness acting as a rod-shaped carrier for a second material of greater hardness, each materials formed within a respective extrusion press tool and the plastic mass flow of the greater hardness material fed to the extrusion press tool for the lesser hardness material for providing a common plastic mass flow in the form of a rod-shaped body with a core and an outer region. An Independent claim for a device for manufacture of a hard metal workpiece is also included.

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