| 摘要 |
PURPOSE: To provide a covered electric heating wire which can easily integrally incorporate a covered electric heating wire wound in a coil-like shape. CONSTITUTION: A covered electric heat wire 1 is composed of a ridge 4 formed on the outer surface of a resin layer 3 with which an electric heat wire is covered, and a groove 5 formed in the outer surface of the resin layer 3 on the side remote from the ridge 4, for receiving the ridge 4, the ridge 4 and the groove 5 extending in the longitudinal direction of the electric heating wire 2. |
