Method and apparatus for analysis of torque applied to a joint
CA 1255079 A · Owner: Salvesen Drilling Services Limited · Inventors: Skene, William
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a method and apparatus for continuously monitoring the making-up a joint between two mutually-engageable threaded member , the threaded members having co-operating shoulder seal elements . The invention involves the, application of torque to the mutually-engaging members and detecting when a shoulder-engaging position has been reached. A predetermined additional torque is then applied if a good joint is indicated as being achievable. If a good joint is indicated as not being achievable the, application of additional torque is terminated.
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted June 6, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 6, 2006.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.