Fire door apparatus and fire door to be used in the device, door frame and reinforcing plate

摘要

(57) [summary] [purpose] to grant the fire protection in the fire door body and door frame formed by the appearance on the woody material, fire protection door body, which is connected and fixed through the rotating connector to the door frame, fire It is prevented from being disengaged from the door frame at the time. [Configuration] in the front and rear surfaces of the rock wool hard plate made of core material 2, The fiber mixed calcium silicate plate made of covering material 3 is joined fixed, natural veneer plywood decorative material 4 together with joined fixed to the outer surface of each of the coating material 3, hard wood made by the end surface to the upper, lower, opposite end surfaces of the core material 2 fire door body 1 is formed a wood 5 by bonding fixed, and the one-side side surface 1a of the fire door body 1 and an inner surface 11a of one side side frame plate 11 of the door frame 6 formed of hard wood In addition to consolidated fixed by rotating coupling 16, the rotating coupling 16 One side piece 16a is on the other hand via a connecting shaft 18 which reinforcement plate 17 disposed on the outer surface 11b of the side side frame plate 11 and penetrating the one side side frame plate 11 is connected and fixed together in.