Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Threaded fastener locked to a discreet structure – Nut – and means to engage substructure on its opposite faces...
Patent
1983-07-06
1988-12-27
Moore, Richard E.
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Threaded fastener locked to a discreet structure
Nut, and means to engage substructure on its opposite faces...
411326, F16B 3932
Patent
active
047937548
ABSTRACT:
A process for mutually locking two elements screwed on one another, wherein it is provided that a portion of one of the elements covers a housing provided in the other element and overlaps an edge limiting said housing; said portion or a part thereof is then sheared level with said edge so that it penetrates in the housing, the shearing front then cooperating with the wall of the housing comprising the edge to form a stop opposing unscrewing. The process is more particularly applicable to the connecting of tubes used in offshore oil drilling and prospection.
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Lindsey Rodney M.
Moore Richard E.
Vetco Gray Inc.
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