| 摘要 |
A seal of the type having a housing with internal resilient fingers for receiving a shouldered stud in locking engagement, in which a separate cylinder is provided in the housing for closely surrounding the entire periphery of an end portion of the stud protruding beyond the resilient fingers to maintain the stud centered in the opening and prevent any lateral movement thereof, and thereby prevent attempts to open the stud by the insertion of tools to dislodge the resilient fingers from engagement with the stud. The cylinder surrounding the stud is inserted into the end of the housing remote from the stud-receiving end, and said remote end is then deformed with heat to retain the cylinder in the housing.
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