| 摘要 |
A body member of a common rail is formed with an accumulator chamber hole that is a through hole providing first and second openings on both ends of the body member. A sealing plug is inserted into the accumulator chamber hole from the second opening and is press-fitted into a reduced diameter part of the accumulator chamber hole so far as the sealing plug contacts a contacting part near the first opening. Thus, the sealing plug closes the first opening. When high-pressure fuel is accumulated in the accumulator chamber, the sealing plug is pressed against the contacting part. Accordingly, the sealing plug and the contacting part are adhered with each other tightly. Therefore, leak of the fuel is surely prevented.
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