PROBLEM TO BE SOLVED: To provide an inexpensive void unit for a concrete mold.;SOLUTION: This void unit in the concrete mold is constituted by installing respective receiving bodies 16 for installing a void 12 on an auxiliary reinforcement 14 by installing the void 12 in a plurality of receiving bodies 16 composed of a support part positioning in the direction for crossing with the auxiliary reinforcement 14 by receiving the void 12 from both sides and a fixing part positioning in the auxiliary reinforcement 14 direction of the void 12 to the support part.;COPYRIGHT: (C)2007,JPO&INPIT
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