INNER SUB PIPE JOINT
To provide an inner sub pipe joint capable of ensuring more work space inside a manhole.SOLUTION: An inner sub-pipe joint 1 has a cylindrical vertical tube 11 extending in the vertical direction on the front side. Since the upper part of the vertical tube 11 is formed with a width dimension to be lo...
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Zusammenfassung: | To provide an inner sub pipe joint capable of ensuring more work space inside a manhole.SOLUTION: An inner sub-pipe joint 1 has a cylindrical vertical tube 11 extending in the vertical direction on the front side. Since the upper part of the vertical tube 11 is formed with a width dimension to be longer than the depth dimension, sufficient volume is secured in vertical tube 11 for draining water flowing in the drain pipe 3. Also, since the bottom width dimension of vertical tube 11 is formed to get to be gradually narrower toward the lower drainage outlet 13a, the short drainage outlet 13a is formed in both the width direction and the depth direction. With this, a pipe with a diameter smaller than vertical tube 11 can be installed at a position closer to the inner wall of manhole 2, and accordingly, a more wider workspace can be ensured in the manhole 2.SELECTED DRAWING: Figure 5
【課題】マンホール内の作業スペースをより確保することができる内副管継手を提供すること。【解決手段】内副管継手1が、その前面側に上下方向に延びる筒状の縦管部11を有しており、縦管部11の上部の幅寸法が奥行寸法よりも長寸に形成されることで、排水管3から排水が流入する縦管部11内の容積が十分に確保されるとともに、縦管部11の下部の幅寸法が下方の排水流出口13aに向けて漸次幅狭に形成されることで幅方向にも奥行方向にも短寸の排水流出口13aが形成されるため、縦管部11よりも小径の管をマンホール2の内壁寄りの位置に設置可能であり、マンホール2内の作業スペースをより確保することができる。【選択図】図5 |
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