| 摘要 |
A hot-air fabric welder for waterproofing tape is invented for selectively welding straight portions and arc portions. The hot-air fabric welder for waterproof tape is comprised of: a lower roller unit including a flat roller portion and a tapered roller portion mounted to the upper end of a support. The lower roller unit is divided into a flat roller body and a tapered roller body for selectively positioning into contact with the upper roller, so that the surface of the lower roller unit contacts the upper roller. A driving means is provided for rotating the lower roller unit. A pivoting means is provided for rotating the support on which the lower roller unit is mounted for selective use of the flat roller portion or the tapered roller portion. A hot-air generating unit is linked to the lower roller unit, driving unit and pivoting unit, and an upper roller is arranged above the lower roller unit.
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