| 摘要 |
A cylinder preventing the inflow of the foreign material is provided that the particle inflow extending the lifetime of cylinder and improves the reliability of the operation is prevented. A cylinder preventing the inflow of the foreign material comprises a first case(20) which is fixed on the fluid pressure pipe connection part(12) outer side of cylinder, a second case(30) of the cylindrical shape in which the packing member(31) is fixed is included, a bellows pipe(40) which is positioned between the other end part of the second case and the piston rod opposite side end of cylinder and the first case. |
