To make it possible to mount a decorated board definitely by forming a fixture hole whose bottom is wider than an opening, in a relatively soft panel and filling up a fixture material therein and inserting and curing fixture hardware projected from mounting hardware buried in a decorated board.
An offset area is provided on both sides of a board-like central part 4a, thereby forming an overhanging section 4b. Mounting hardware 4 is manufactured by welding a nut 4d with the rear surface of a hole 4c bored in the central part 4a. At first, the mounting hardware 4 is buried at the hour corners of a decorated board 1 while only the central part 4a is exposed to the surface. An axial part 5b of fixture hardware 5b is engaged with the nut 4b. A part of the axial part 5b and the head 5a are projected from the decorated board 1. Then, a fixture hole 3, whose base 3a is wider than the opening 3b, is formed at a specified position of a lightweight cellular concrete panel (hereafter called as the panel) and a fixture material 6 is filled up therein. A fixing layer is formed with a bonding material 7 on the panel 2. The projected portion of the fixture hardware 5 is inserted into the fixture hole 3, thereby mounting the decorated board 1 and adjusting the level or the position. When cured, the fixing material 6 and the bonding materials 7 are hardened.
KAJIMA CORP
OTSUKA OOMI TOGYO KK
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