| 摘要 |
PROBLEM TO BE SOLVED: To provide a multi-cavity mold for a spacer for reinforcement which can be surely removed without omission, and prevents the occurrence of accidental loss. SOLUTION: This multi-cavity mold is equipped with a metal trestle (F) with a cross-sectional shape shown in Fig., and a number of concrete base molding cavities (C); the respective cavities (C) are integrally formed of high-strength synthetic resins in such a manner as to have an almost inverted-hog-backed shape, a truncated pyramid shape, and other downward tapered shapes wherein arc-shaped surfaces (33) are provided at corners; a plurality of molding cavity accepting ports (27) are distributed on a top plate (20) of the trestle (F) by being cut out and opened; and each set of the molding cavities (C) is simultaneously fitted and fixed to each of the ports (27) as one juxtaposed unit in a freely detachable/replaceable manner. COPYRIGHT: (C)2005,JPO&NCIPI
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