| 摘要 |
PURPOSE: A heating bushing for fusion-jointing a synthetic resin pipe is provided to improve productivity by manufacturing the heating bushing in large quantities and low cost. CONSTITUTION: A heating bushing for fusion-jointing a synthetic resin pipe is composed of a main body(34) made of synthetic resin, and a cover body(36) made of synthetic resin. Net type heaters(31,32) are installed at the inside and outside of the main body. The cover body is detachably coupled to the main body, and prevents the shaking and exposure of the net type heaters. |
