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Mold device for hollow PC, PC rod member, concrete pillar building material, and its manufacturing method
Mold device for hollow PC, PC rod member, concrete pillar building material, and its manufacturing method
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机译：用于空心PC，PC杆构件，混凝土支柱建筑材料的模具装置及其制造方法
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摘要
PROBLEM TO BE SOLVED: To form a hollow column for forming a hollow face in which adhesion between the precast part of an outer shell and post-deposited concrete in a hollow part is satisfactory.;SOLUTION: Provided is a hollow frame device for a PC molding a concrete columnar body provided an outer die frame and an inner die frame and a hollow part by installing concrete into a gap formed both the die frames, where the inner die frame is provided with the surface of a core part obtained by helically arranging a flexible hose.;SELECTED DRAWING: Figure 4;COPYRIGHT: (C)2018,JPO&INPIT
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