| 摘要 |
A rope with spiral teeth includes a first rope including a first core material with a first resin covering the first core material and a second rope including a second core material with a second resin covering the second core material. The second rope is spirally wound around an outer circumferential surface of the first rope. At least one of the first resin and the second resin contains an infrared reflectance adjusting material to make a temperature rise characteristic of the first resin and a temperature rise characteristic of the second resin different from each other, and the first rope and the second rope are bonded together, preferably without adhesive.
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