| 摘要 |
PURPOSE: A ring joint is provided to improve product reliability and to reinforce dust tightness, impact resistance, and binding force between pipes by improving the structure of a pressing ring. CONSTITUTION: A ring joint(40) to connect a first pipe(42) to a second pipe(44) is composed of a bolt(46), having projection for fixing, sliding on the peripheral surface of the first pipe, a nut(48) sliding on the peripheral surface of the second pipe being opposite to the first pipe, a washer(50) installed between the peripheral surface of the second pipe and the inside of the nut member, a pressing ring(52), installed to the seam of the first and second pipe, with separated in the bolt, a member for press fixing, composed of plural members installed among the bolt, the nut, and the washer to be fixed to the peripheral of the first and second pipe, pressing the pressing ring and sealed by contacting on wide part and having multiple sealing structure.
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