| 摘要 |
Threaded joint has parts with openings connected to each other by bolt installed to openings of the parts, and nut screwed on the bolt. Additionally it has bushing with opening in conical form installed on the bolt after the nut. The nut has a section in conical form with radial slots placed in the opening of the bushing. Taper rate of the opening of the bushing is equal to the taper rate of the nut section.
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