Title:
ヒータユニット
Document Type and Number:
Japanese Patent JP6902382
Kind Code:
B2
Abstract:
A heater unit including a small diameter sheath heater with improved reliability is provided. The heater unit includes a first substrate and a second substrate joined together, a groove arranged on at least one join surface of the first substrate and the second substrate, and a sheath heater arranged inside the groove. The sheath heater includes a metal sheath, a heating wire having a band shape, the heating wire arranged with a space within the metal sheath so as to rotate with respect to an axis direction of the metal sheath, an insulating material arranged in the space, and connection terminals arranged at one end of the metal sheath, connection terminals electrically connected with both ends of the heating wire respectively.
Inventors:
Toshihiko Hanamachi
Kenji Sekiya
Taka Takeshi Hara
Naoya Aikawa
Yuta Kidara
Tatsumi Shin
Kenji Sekiya
Taka Takeshi Hara
Naoya Aikawa
Yuta Kidara
Tatsumi Shin
Application Number:
JP2017078950A
Publication Date:
July 14, 2021
Filing Date:
April 12, 2017
Export Citation:
Assignee:
Nippon Jojo Co., Ltd.
International Classes:
H05B3/72; H05B3/20; H05B3/30; H05B3/48
Domestic Patent References:
| JP200991660A | ||||
| JP5854577A | ||||
| JP5486756U | ||||
| JP54126146U |
Attorney, Agent or Firm:
Takahashi Hayashi & Partners