The registration board which is locked to the wheel stopper device null concrete molding box

摘要

PROBLEM TO BE SOLVED: To prevent the displacement of the specified direction of a drain body at the time of the pouring of concrete into forms. ;SOLUTION: A retaining means retaining a holding plate 10 to a rectangular pan section 5 in an unturned manner is installed while a detent pipe 15 is interposed between a positioning plate 1 and the holding plate 10, and the lower end of the detent pipe 15 and the positioning plate 1 and the upper end of the detent pipe 15 and the holding plate 10 are linked relatively in the unturned manner through detent means respectively. Accordingly, the revolution of the drain body 4 is prevented.;COPYRIGHT: (C)1998,JPO