Extrusion molding machine and method for producing molded body
AssigneeNGK Insulators, Ltd.
InventorsKeita Ito, Yuichi Tajima, Yoshimasa Kondo
Life of this patent
Estimating the term…
Abstract
An extrusion molding machine includes: a molding portion having one end and other end, the one end having a die, the other end being connected to an extrusion port of an extrusion portion, the molding portion also including a screen arranged therein. The molding portion includes: at least one first temperature controlling member between the screen and the die, the first temperature controlling member including a plurality of first zones divided in a circumferential direction. Temperatures of the plurality of first zones can be individually controlled.
Claims9
An extrusion molding machine comprising a molding portion having one end and other end, the one end having a die, the other end being connected to an extrusion port of an extrusion portion, the molding portion also comprising a screen arranged therein,
- wherein the molding portion comprises:
- two or more first temperature controlling members disposed adjacent to each other in an axial direction of the molding portion between the screen and the die, each of the two or more first temperature controlling members comprising a plurality of first zones divided in a circumferential direction,
- wherein temperatures of the plurality of first zones can be individually controlled, and
- wherein a heat insulating member is arranged between the two or more first temperature controlling members.
Dependencies are inferred from the claim text.