| 摘要 |
<p>PURPOSE:To provide a method for easily setting at the time of clamping even if a joint, etc., such as an elbow, etc., is included in a tubing material for connecting. CONSTITUTION:The method for connecting a tube material comprises the steps of forming protrusions P on outer peripheries S1, S2 of ends of tubing materials J1, J2 to be connected, providing a plurality of recesses G of a sectional shape to be engaged with the protrusions P of the materials J1, J2 along a circumferential direction at a specific pitch on inner peripheries 1a, 1b of parts for grasping the materials, and engaging the protrusions P of the materials with the recesses G of the peripheries 1a, 2a of a pair of clamps 1, 2 to fix the materials J1, J2 when the materials J1, J2 are grasped by the clamps 1, 2.</p> |
