| 摘要 |
<p>PURPOSE:To secure such an expansion joint as providing sufficient expansibility and strength in the pipe axial direction jointly. CONSTITUTION:This is an expansion pipe joint 1 provided with a tubular member 2 being formed with a connecting part 22 made up of capable of receiving, inserting and connecting free of expansion or contraction while being composed of forming a flange surface at both ends, a bellows 3 being installed in this tubular member 2 and formed into a bellows-form being free of expansion while made up of having a flange part 31 sticking close to the flange surface 21 installed around, and a regulating member 4 engaging in a gap with the flange surface 21 of the tubular member 2 and being made up so as to regulate an extending state of this tubular member 2, respectively.</p> |
