(57) Abstract Topic This device operating efficiency to be good, security to be high, structureTo force strength to simple, furthermore to lightweight in fire resistance superiorThe re is the concatenated roof is offered. Solutions In one destal of roof board roof board underside support edge possessionAs the leg shape rib section which it does is formed in the other end the leg shape rib sectionTime for fit the tune edge or the roof board underside support edge polymerization edge is formed,In the aforementioned leg shape rib section to fit the aforementioned time tune edge or the aforementioned roof boardPolymerization the aforementioned roof board underside support edge polymerization edge to the underside support edge, the houseThe concatenated roof and the aforementioned roof board which it tries to concatenate the root board runningThe tight frame in order to install in the body and the light weight resistance which consists ofIn the fire concatenated roof, between the respective leg shape rib sections of the aforementioned concatenated roofIn the roof board which you can put for tight frame fit the concave convex section, in additionIn aforementioned tight frame for roof board fit concave convex section and leg shapeTo form the crevice for rib section fit respectively, the tie of the aforementioned roof boardFor tohuremu fit roof of concave convex section and aforementioned tight frameFor board fit it fits the concave convex section mutually and installs as one unit when alsoIt features that the aforementioned tight frame is installed in the drive unitru.
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