| 摘要 |
PROBLEM TO BE SOLVED: To detect puncture of a vulcanization bladder surely even when an amount of vulcanization medium leaked from the bladder is small. SOLUTION: When a vulcanization bladder 29 punctures, a vulcanization medium is led to a passage 31 through the space between the bladder 29 and a vulcanized tire. Since the flow of the medium is shut off by a check valve 35 in the passage 31, the medium is locked up in the passage 31 to increase the pressure of the passage 31. The puncture of the vulcanization bladder 29 can be detected by detecting the increase of the pressure by a pressure sensor 36. In this process, even when the amount of the medium leaked from the bladder 29 is small, the pressure increases surely, ensuring the detection of the puncture.
|
