Patent ID: 7824586
Filing Date: 2010-11-02
Classification: B30B,C22B,Y02P

Abstract:
1. A compression molding machine for a briquette for a metal raw material, comprising a mold device in which a molding chamber for compression molding a recyclable material containing metal powder is formed; and a plunger which is provided coaxially with the molding device so as to be capable of advancing and retreating in an axial direction to compression mold the material supplied into the molding chamber, wherein the molding device includes an axially fixed pressure receiving member forming a pressure receiving surface facing to a tip end surface of the plunger; an outside mold having a slidingly contacting surface, which is in sliding contact with an outer peripheral surface of the plunger, therein; and supporting means which supports the outside mold so that the outside mold moves in an extrusion direction of the plunger in association with a movement of the plunger in the extrusion direction.