| 摘要 |
PROBLEM TO BE SOLVED: To easily release a precast concrete product from a form without removing a side frame as well as generating a chip of a corner and a crack when the precast concrete product is released from the form, and to make it possible for an ordinary operator to easily release it from the form, to attempt to decrease man-hour and to improve productivity. SOLUTION: In the form 1 prepared by installing the side frame 3 on a bed 2, the upper part inner face 3a of the side frame 3 is formed into a slope the upper part of which is opened outward, and the lower inner face 3b below the upper inner face 3a is inclined by an angle larger than the opening angleθof the upper inner face 3a. COPYRIGHT: (C)2007,JPO&INPIT
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