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:
Nov. 18, 2025
Filed:
Nov. 14, 2023
The Japan Steel Works, Ltd., Tokyo, JP;
Syunsuke Takamatsu, Tokyo, JP;
THE JAPAN STEEL WORKS, LTD., Tokyo, JP;
Abstract
A cylinder that kneads an injection material, a heat insulating cover that covers a side surface of the cylinder, the heat insulating cover including a first end portion and a second end portion, a heater arranged between the heat insulating cover and the cylinder, the heater heating a first region of the cylinder, and a first heat pipe that thermally connects the first region and a second region to each other, the second region being different from the first region, are provided. The heat insulating cover includes the first end portion and the second end portion through which the injection material passes, and the first region is closer to a midpoint between the first end portion and the second end portion than the second region.