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:
Oct. 18, 2022
Filed:
Oct. 15, 2019
Nhk Spring Co., Ltd., Kanagawa, JP;
Toshihiko Hanamachi, Kanagawa, JP;
Kenji Sekiya, Kanagawa, JP;
Daisuke Hashimoto, Kanagawa, JP;
Satoshi Hirano, Kanagawa, JP;
Masaru Takimoto, Kanagawa, JP;
Go Takahara, Kanagawa, JP;
Yoshihito Araki, Kanagawa, JP;
Arata Tatsumi, Kanagawa, JP;
Takashi Kawasaki, Ibaraki, JP;
Yuki Toyama, Ibaraki, JP;
Satoshi Anzai, Ibaraki, JP;
NHK SPRING CO., LTD., Kanagawa, JP;
Abstract
A small diameter sheath heater with improved reliability is provided. The sheath heater according to one embodiment of the present invention includes a metal sheath, a heating wire having a band shape, the heating wire arranged with a gap within the metal sheath so as to rotate with respect to an axis direction of the metal sheath, an insulating material arranged in the gap, and connection terminals arranged at one end of the metal sheath, the connection terminals electrically connected with both ends of the heating wire respectively.