Apparatus for extruding ceramic molding

Plastic article or earthenware shaping or treating: apparatus – With separate and distinct upstream agitating or kneading means – Within pressurizing chamber

Reexamination Certificate

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Details

C425S209000, C425S380000, C425S202000, C425S376100, C264S630000, C264S632000, C366S125000, C366S083000, C366S079000, C366S088000, C366S089000, C366S090000

Reexamination Certificate

active

07101166

ABSTRACT:
The extruding apparatus has the molding die to form the ceramic molding, the screw extruder containing the extrusion screw to knead and guide the ceramic material toward the molding die. The extrusion screw is comprised of the pressure screw part and the diffusion screw part. The diffusion screw part provided at the front end of the extrusion screw has a diameter greater than the screw diameter of the pressure screw part.

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