| 摘要 |
A piston cylinder unit is provided to acquire concentrative magnetic flux by guiding a magnetic force line of a magnetic field to a coil core through an anchor after passing the coil core, a disk, and a cylinder. A piston cylinder unit includes a cylinder(1). The cylinder forms a magnetic field induction pipe. The cylinder is partitioned into a first process chamber(3) and a second process chamber(4) by a piston(2) movable in axis in the cylinder. A piston rod(5) is fixed to one side of the piston. The piston rod penetrates the second process chamber and is guided to an outside with being sealed by a sealing and guide packet(6). A coaxial threaded hole is formed at an end portion of the piston rod projecting to an inside of the cylinder. A spacing disk(9) surrounding the end portion of the piston rod at the end portion of the piston rod.
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