| 摘要 |
PURPOSE: A hot-air welder for a waterproof tape having an upper roller motor is provided to reduce a noise while simplifying a power transmission system by receiving power from the driving motor. CONSTITUTION: A hot-air welder for waterproof tape having upper roller motor includes a fixing plate(20), an actuator(40), lifting body(30',30"), a driving motor(50), and a finishing plate. The actuator installs to an upper of the fixing plate. The lifting body is combined with a rail plate(21). The rail plate ascends along the rail of a support stand(10). A chain(31) is installed in an insertion groove(32) through a sprocket. An upper sprocket is connected to the driving motor of the support stand. A lower sprocket is connected to an upper roller in outside of the lifting body.
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