| 摘要 |
PURPOSE:To improve the life of a form by removing the form after concrete has been cured, and also by bently removing the projected parts of headless nails driven into the form, so that the driven parts of the headless nails can be remained in the form. CONSTITUTION:The ends of headless nails 5 are abutted on a form A, and then the flange part 6 of a bolt screwing fitting 3 is hammered for fitting an insert 1 to the form A. After concrete has been placed and cured, the form A is removed from the concrete wall surface B while pulling out the headless nails 5 from the holes 13 of the insert body 4. Then, the parts of nails 5 projected from the form A are struck by a hammer or the like, and they are bently removed in the position on the upper surface of the form A. |
