| 摘要 |
PURPOSE:To provide a bonding method which can bond plastic members in high quality, with high strength, and at low costs. CONSTITUTION:A running groove 3 is formed in a flange 1a. Flanges 1a, 2a are pressed to face each other so that the groove 3 is closed on the side facing the flange surface. In this state, hot air, the temperature of which exceeds the melting point of a thermoplastic resin, is supplied to pass through the groove 3 so that the flanges 1a, 2a are welded while they are facing each other. |
