The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 24, 2024
Filed:
Sep. 13, 2021
Applicant:
Ngk Insulators, Ltd., Nagoya, JP;
Inventors:
Assignee:
NGK INSULATORS, LTD., Nagoya, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B28B 17/00 (2006.01); B28B 3/20 (2006.01); B28B 3/26 (2006.01); B28B 11/16 (2006.01); B29C 48/00 (2019.01); B29C 48/11 (2019.01);
U.S. Cl.
CPC ...
B28B 17/0081 (2013.01); B28B 3/201 (2013.01); B28B 3/2654 (2013.01); B28B 11/16 (2013.01); B29C 48/0022 (2019.02); B29C 48/11 (2019.02);
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.