Method and apparatus for molding ceramic sheet

Details Method and apparatus for molding ceramic sheet Method and apparatus for molding ceramic sheet

2006-08-15

2006-08-15

Davis, Robert (Department: 1722)

Plastic article or earthenware shaping or treating: apparatus

Control means responsive to or actuated by means sensing or...

Temperature control

C425S378100, C425S072200, C425S379100, C425S147000, C425S197000, C425S382400

Reexamination Certificate

active

07090480

ABSTRACT:
A method and an apparatus capable of extrusion molding a comparatively wide, thin ceramic sheet using a screw extruder while suppressing the wrinkling thereof. The molding apparatus includes a screw-type extruder and a mold at the forward end of the extruder is used to extrusion mold a ceramic sheet from the ceramic material introduced into the extruder by way of the mold. The extrusion molding is carried out while regulating the temperature of the portion of the ceramic material passing through the mold corresponding to each of a plurality of areas (control zones) into which the mold is divided.

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