Normalizer for linear welds of pipes
CA 1265210 C · Owner: Pipemakers, Inc. · Inventors: Sprung, Douglas L.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A normalizer for linear welds in continuous pipes to, travel along the side of a pipeline during operation. The normalizer comprises an induction heater supported on a mounting assembly. A controlled power source is provided for the induction heater. The elevation and lateral placement of the mounting assembly and induction heater as well as its lateral placement are continuously controlled with respect to the pipe to ensure proper placement of the induction heater over the weld to be normalized. A spacer permits adjustable spacing of the induction heater a predetermined distance from the pipe weld to be normalized to, provide a predetermined air gap between the induction heater and that …
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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 30, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 30, 2007.
- 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.