Parting-off tool for metal tubes, particularly for stainless steel tubes with internal optical waveguides
CA 2055968 A1 · Owner: Felten & Guilleaume Energietechnik Aktiengesellschaft · Inventors: Siegert, Wolfgang; Beck, Manfred
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A separating tool for a metal tube containing optical waveguides which severs the tube without sharp edges so that, the waveguide is not damaged during further handling. The tool is in the form of a micrometer, while a scoring roller is positioned alongside a cutting roller which impresses a, groove-shaped depression into the tube about 1 mm before the point of severance.
Read the whole patent
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
- Filed November 21, 1991. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 21, 2011.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 21, 2013.
- 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.