Title:
HEATER
Document Type and Number:
Japanese Patent JP2021111549
Kind Code:
A
Abstract:
To provide a heater in which partial discoloration on a coating can be suppressed.SOLUTION: A heater comprises: a cylindrical part 11; a coil 21 which is provided inside the cylindrical part and extends along a tube axis of the cylindrical part; a coating 50 provided on an outer face of the cylindrical part; a first anchor 23, provided inside the cylindrical part, which has one end side 23a wound around an outer face of the coil and another end side 23b coming into contact with an inner wall of the cylindrical part; and a second anchor 24, provided inside the cylindrical part, which has one end side 24a wound around the outer face of the coil and another end side 24b coming into contact with the inner wall of the cylindrical part. The number of turns of the one end side of the second anchor is greater than that of the one end side of the first anchor.SELECTED DRAWING: Figure 2
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Inventors:
ABE SHUHEI
Application Number:
JP2020003521A
Publication Date:
August 02, 2021
Filing Date:
January 14, 2020
Export Citation:
Assignee:
TOSHIBA LIGHTING & TECHNOLOGY
International Classes:
H05B3/06; G02B5/26; G02B5/28; H01K1/18; H01K1/28; H05B3/44
Attorney, Agent or Firm:
Hiroshi Ichikawa
Tatsutetsu Shirai
Kohei Hoshino
Tatsutetsu Shirai
Kohei Hoshino