FIELD: screw-threaded joints.
SUBSTANCE: joint comprises male threaded member and female threaded member that are screwed one in the other under the action of a given moment. At least one surface of the thread turn that, under pressure, has continuous bent convex surface throughout the width before screwing. The radius of curvature of the surface ranges from 2 mm to 60 mm, and the surface is in a contact with the corresponding surface of the threaded member.
EFFECT: expanded functional capabilities.
21 cl, 24 dwg
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Authors
Dates
2006-06-10—Published
2002-02-04—Filed