Apparatus suitable for use in the automatic welding of pipes
CA 1046802 A · Owner: Saipem S.P.A. · Inventors: Bove, Ottavio; Cannata, Ugo
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention relates to an apparatus suitable for use in the automatic welding of pipes. The apparatus according to the invention comprises a fixed part or rail band which is clamped around the pipe at a prefixed position and a moving part which is moved with an orbital motion along the rail band and supports a swinging welding lance, a welding rod dragging mechanism and a lance position adjusting mechanism, the swinging motion of the welding lance being produced by a pneumo-mechanic system which allows both the amplitude and the frequency of said swinging motion to be adjusted and high swing frequences and various times of stoppage for the lance at the ends of the swinging motion …
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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 January 23, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 23, 1996.
- 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.