| 摘要 |
PURPOSE: An apparatus for maintaining the gap between underground pipes for apartments is provided to prevent the escape of underground pipe spacers using a peanut shaped wedge and an eccentric shaft. CONSTITUTION: A wedge inserting groove(50) is formed in an underground pipe spacer(40). A peanut shaped wedge(60) is inserted into the wedge inserting groove. An eccentric shaft(70) is inserted into the vertical hole of the wedge. A locker(80) is inserted into the locker guiding hole of the wedge. A chamfered part is formed at the upper corner part of the location determining groove of the ground pipe spacer. |
