| 摘要 |
PROBLEM TO BE SOLVED: To provide a connection with high reliability and stable quality, at a connection part between a coil conductive wire made of an aluminium wire and a connection terminal.SOLUTION: The inventive heating coil comprises a coil conductive wire 2 composed of a plurality of element wires 11 in which an insulation coat 13 is provided on an outer layer of an aluminium wire 12 twisted together; and a connection terminal 3 for receiving supply of power at both edge sides of the coil conductive wire 2, a housing part 21 for pressing and fixing the element wires 11 of the coil conductive wire 2 which is formed into a flat body 22 with substantial two-stage, is provided on the connection terminal 3, the coil conductive wire 2 outside of the housing part 21 is formed into a substantial flat body 22, and a fixation of the coil conductive wire 2 to the housing part 21 is achieved by extending a tip side 2a of the coil conductive wire 2 from the housing part 21 and electrically connecting the tip side 2a of the coil conductive wire 2 to the housing part 21, and a coil side 2b of the coil conductive wire 2 to the housing part 21 via solders 23.SELECTED DRAWING: Figure 8 |
