| 摘要 |
PROBLEM TO BE SOLVED: To provide a device for sealing a propeller shaft of a ship between external water and a lubricant chamber, a device enabling fast formation of a medium line at a multiple closed part and process of manufacturing the same.SOLUTION: A multiple seal part 10 has seal rings 38 and 40 oriented against external water 6, seal rings 34 and 36 oriented against a lubricant chamber 8, closed chambers 42, 44 and 46 are formed between the two seal rings adjacent to each other, fluid can be fed into or discharged from the closed chambers through at least one of media lines, one medium line 12 has a line part designed as a hole part and the other medium line is a pipe extending in the hole part. |
