| 摘要 |
PURPOSE: To provide a hose which is so constituted as to have an inside diameter lower than the outside diameter of a connection cylinder part, prevent lowering of sealing ability and pulloff resistance even when a reinforcing layer is formed, reduce the insertion load of the connection cylinder part, and facilitate connection with a connection cylinder part. CONSTITUTION: A hose 11 has a reinforcing layer 12 having an inside diameter d1 lower than the outside diameter D0 of a connection cylinder part 5, the connection cylinder part 5 is inserted therein, and the hose is connected to the connection cylinder part 5 by utilizing a clamp. In the inner peripheral surface of a portion 11a in which the connection cylinder part 5 of the hose 11 is inserted, ten point average roughness is set to 15-50μmRz.
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