| 摘要 |
PURPOSE:To facilitate leveling work of floor after setting of concrete, by incorporating a joint frame integrally with a joint box buried in the floor and adjusting the fixing level through level adjusting strews arranged at the foot section of the joint frame. CONSTITUTION:An integral joint frame 70 is inserted into a joint box body 20 buried in the floor, and the level is adjusted such that the flange section 51a of the integral joint frame 70 will be flush to the floor face by turning four adjusting screws 34 arranged at the foot section 33. Furthermore, level of intermediate and upper covers 60 is adjusted through the screw 26 of a stud 23. The upper cover 60 is secured through a screw 65 to the stud 24 of the joint box body 20 then a step section occurring with respect to the floor face is finished with mortar. |
