| 摘要 |
PROBLEM TO BE SOLVED: To make it possible to provide hinge loading pedestals and screw through-hole in edge plates for mounting hinges for a plastic door in advance and to enable the fitting of the hinges. SOLUTION: Edge plates 1, 2 and 3 of sides for fitting hinges mounting a plastic door to them are divided into three stages, three mounting plates 11, 21 and 31 are projected to the inside surface compacted to a door plate, a hinge fitting pedestal 12 equipped with a plurality of screw through-holes 131 for connecting the hinge to the lower end with screws is formed in the upper edge plate 1, and a jointing knob 14 projected outward of the longitudinal direction is provided to the front end. The middle edge plate 23 is hollow, it is provided with a hollow section, a hinge fitting pedestal 22 equipped with a plurality of screw through holes 231 for connecting the hinge to the upper end of formed in the lower edge plate 12, and a jointing knob 24 projected outward of the longitudinal direction is provided to the front end. The jointing knobs 14 and 24 of the up and down edge plates 1 and 2 are inserted into the hollow section 32 of the middle edge plate 3 from up and down directions, the edge plates on the sides of the door are monolithically formed, and the hinges are fitted to the hinge loading pedestals 12 and 22 with screws. |
