Casting strip
CA 2369223 A1 · Owner: Ziegelaar, John Albert · Inventors: Kato, Heiji; Ziegelaar, John Albert
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Twin roll caster (11) produces cast steel strip (12) that passes in a transit path (10) through pinch roll stand (14) and optional hot rolling mill (15) and runout table (17) to a coiling station (19) which has a pair of switchable coilers (85, 86). A strip shear (81) located in advance of the coiling station is operable to sever strip (12) into discrete lengths which can be diverted by setting deflectors (82, 84) to allow the severed lengths to pass across a runout table (83) to a scrap bin (87). The strip may be thus severed and diverted to scrap on development of strip defects or malfunctioning of equipment without stopping continuous casting and the strip redirected to the …
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 April 7, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 7, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 7, 2022.
- 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.