PANEL MATERIAL WITH WARP-REFORMING APPARATUS

摘要

PROBLEM TO BE SOLVED: To develop a panel material with a warp-reforming apparatus which is simple in installation, low-priced, free from being dislocated of a lower part nut and easily adjustable. SOLUTION: A pair of through holes 2 are respectively bored near both front and rear surfaces near both side parts of a panel material 1. A through groove 2a is respectively provided to lower end parts thereof. A screw is provided to both end parts in those both through holes and communicating grooves. A rod to be tightly clamped which is folded in a U shape at the central part or respective two rods to be tightly clamped are inserted. Those rods to be tightly clamped are directly or concealed in the connecting groove and inserted by being connected via a connecting means 4. A clamp 6 such as a nut of a specific length having each screw 5 and the like is provided to the other ends of the rods to be tightly clamped.