Shoe for a hydraulic apparatus and manufacturing method thereof

摘要

The shoe has a sliding-contacting plate (11) provided with an engagement portion that fixes with a locking portion on one side of main side of a main body. The plate has one layer making contact with the side and another layer laminated on the region of the former layer leaving uncovered welding portion (21) such that its surface serves as a sliding-contact surface (19a).The former is welded to the body at welding portion. An independent claim is also included for a method for manufacturing a hydraulic apparatus.