To provide a form structure capable of installing a member to be buried with high precision and mounting or dismounting a form easily.
This form structure 1 is provided with a fixing member 4 being a ferromagnetic material to be attached to the member 3 to be buried and a form body 2, which is provided with an electromagnetic mounting/dismounting part 5 provided with a permanent magnet and a magnetic coil. While current carrying to the electromagnetic mounting/dismounting part 5 is stopped, the fixing member 4 is fixed on the electromagnetic mounting/dismounting part 5. When current is carried into the electromagnetic mounting/dismounting part 5, a fixed state of the fixing member 4 and the electromagnetic mounting/dismounting part 5 is released.
JP2001205609A | 2001-07-31 | |||
JPH09257473A | 1997-10-03 | |||
JPS61206413U | 1986-12-26 | |||
JPH07290431A | 1995-11-07 |
Etsuo Tada
Nosho Machida
Next Patent: HOUSE