| 摘要 |
This seal device is provided with a medium path portion for sending a heat medium to a seal unit, and the medium path portion has a heating medium path portion for sending a heating medium to a circulation portion in order to heat a crimped part, a cooling medium path portion for sending a cooling medium to the circulation portion in order to cool the crimped part, and a path switching unit which switches between a state in which the heating medium path portion and the circulation portion are in communication and a state in which the cooling medium path portion and the circulation portion are in communication. |
