To provide a simple unitized structure for allowing efficient assembly without requiring complicated operation.
A unit form 1 includes a form body 3, an outer frame 4 supporting the form body 3 at an interval from the outer circumference side, and an interval regulating screw 5 moving the form body 3 to separate it from or bring it close to the outer frame 4. In the interval regulating screw 5 arranged with its screw axial direction X directed to the direction crossing the plane direction of the form body 3 at right angles, movement of the interval regulating screw 5, which is supported freely rotationally, in the screw axial direction X is restricted toward the outer frame 4, and a reverse screw formed at the distal end on the form body 3 side is screwed to a female thread part arranged in the form body 3.
Tadashi Takahashi
Takashi Watanabe
Yoshifumi Saeki
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