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:
Dec. 16, 2025
Filed:
Apr. 26, 2023
Shinko Electric Industries Co., Ltd., Nagano, JP;
Yoshihiro Machida, Nagano, JP;
SHINKO ELECTRIC INDUSTRIES CO., LTD., Nagano, JP;
Abstract
The heat pipe includes an injection port into which a working fluid is injected. The injection port has a first outer metal layer, a second outer metal layer, at least one inner metal layer provided between the first outer metal layer and the second outer metal layer, and an injection passage in which the injected working fluid moves, the injection passage demarcated by the first outer metal layer, the second outer metal layer, and the inner metal layer. The first outer metal layer has a first inner surface facing the second outer metal layer and constituting a first inner surface of the injection passage. The first inner surface of the first outer metal layer has at least one first groove portion.