Patent ID: 6231024
Filing Date: 2001-05-15
Classification: B25B,E04B,E04C,E04G,F16B

Abstract:
A formwork forming unit comprising:two generally frame-shaped form panels oppositely disposed to define a placing space for concrete, each of the form panels including a plurality of first reinforcing beams and a plurality of second reinforcing beams each of which has a smaller diameter than each first reinforcing beam and formed into a shape of a frame, each of the form panels further including a meshed member fixed thereto so as to cover one side thereof; anda generally bar-shaped separator attached to the oppositely disposed form panels so as to bridge the form panels when the form panels are disposed to define the placing space for the concrete, the separator having both ends folded so as to be formed into hook portions respectively, each of the hook portions being engaged with one of the first beams of one of the oppositely disposed form panels and crimped such that the separator is fixed to the form panels,wherein at least one of the form panels includes a connecting piece provided on an edge of said at least one of the form panels so as to have an outwardly open side and a fixing member blocking the open side of the connecting piece when the edge of another form panel is inserted into an interior of the connecting piece,the connecting piece including a pair of band plate pieces confronting each other with a clearance therebetween, the clearance being approximately equal to a thickness of said at least one of the form panels, the band plate pieces having through holes formed near open ends thereof respectively, and the fixing member being inserted through the holes of the band plate pieces, thereby closing the open side of the connecting piece.