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Priority claimed from US06/488,633external-prioritypatent/US4537429A/en
Application filed by Hydril CofiledCriticalHydril Co
Priority claimed from EP84901692Aexternal-prioritypatent/EP0149612B1/de
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Publication of ATE35165T1publicationCriticalpatent/ATE35165T1/de
Fremgangsmaate for aa bestemme sammenskruingsmomentet for en roerkobling med koniske gjenger og et anslag for begrensning av sammenskruingen, for bruk i oljeindustrien, og en anordning for utfoerelse av fremgangsmaaten.