| 摘要 |
PROBLEM TO BE SOLVED: To prevent a working apparatus from failing by quickly detecting the leak of a working water through a hole made in a bellows for blocking the working water from penetrating into the working apparatus for applying various kinds of working to a work held with a holder means when being fed with the working water and operated by actions of working means. SOLUTION: The working apparatus is composed of at least a means for holding a work, a means for working the work held with the holding means with a working water being fed, and a bellows for guiding the fed working water to a drain passage. Further, the apparatus comprises a water leak detecting layer 63 incorporated in corrugated parts of the bellows so as to quickly detect the water leak. |
