| 摘要 |
PURPOSE:To facilitate mounting, to prevent damage of concrete finish of the edge parts of a through-sleeve, and to additionally use a through-sleeve mounting tool for a through-sleeve having a different size. CONSTITUTION:A plurality of holding members 3 have respective contact parts 4 making internal contact with the end parts of a through-sleeve 2 arranged between a pair of forms 1, positioned facing each other, in a state to be positioned astride a space between the two forms 1. The holding members are arranged movably forward and backward in a relatively different direction from the inside to the outside of the sleeve 2 and mounting parts 7 collectively mounted on the forms 1 in a state to block forward and backward movement of each holding member 3 are provided. |
