| 摘要 |
A leakage inspection device, wherein a seal ring is fitted to a ring-shaped recessed groove formed in the pressure contact face of a seal tool, the opening part peripheral edge of an inspected body is pressed against the seal ring for sealing, and an air pressure is applied to the inspected body in the sealed state to check by measurement whether the air pressure can be maintained for a specified time or not so as to check for the presence or absence of air leakage. The seal ring fitted to the seal tool is formed in a rectangular shape with rounded corners in cross section, fitted to the recessed groove formed in the pressure contact face of the seal tool so that the major axis thereof is faced in the direction of application of a compressive force, and compressingly deformed in the direction of the major axis to provide a sealing effect. A stopper formed of a resin with low heat conductivity is installed on the pressure contact face and the seal ring is compressingly deformed until the inspected body abuts on the stopper to provide a sufficient sealing effect. Thus, the inspected body can be inspected without touching the seal tool. |
