| 摘要 |
PROBLEM TO BE SOLVED: To provide a remaining formwork with projections, superior in strength and fixation to cast concrete without producing air pockets during casting concrete and capable of being manufactured at lower cost. SOLUTION: The remaining formwork comprises a concrete plate body 1 in a square shape and a reinforcing material 2 embedded in the plate body 1. The number of concrete projections 1c are integrally formed on a back face 1a of the plate body 1. Screw mounting means 3 are provided on at least four corners of the back face 1a. COPYRIGHT: (C)2007,JPO&INPIT
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