Patent Yard Sign in
Canadian application, no grantCanada

"c" block roll bending

CA 2309263 A1 · Owner: Danieli United, A Division Of Danieli Corporation · Inventors: Dittmar, Robert W.

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

Open the CIPO record

Abstract From the Canadian patent

A work roll bending system for profile control of continuous metal strip during rolling which is especially useful for retrofitting an existing rolling mill absent such feature to provide it with roll bending capabilities. The advantage of the system is its compactness in the vertical direction which facilitates its positioning between housing posts of the rolling mill where space in the vertical direction is often limited. Bending wings for exerting bending forces to work roll chocks with use of hydraulic cylinder and piston assemblies extend from the chocks in an intermeshing manner to allow wings from top and bottom work roll chocks to occupy the same horizontal plane without …

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 May 24, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 24, 2020.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 24, 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.
FiledMay 24, 2000
GrantedNo grant recorded
Term endedMay 24, 2020
Patent numberCA 2309263 A1
Classification (IPC)B21B37/38 +2 more

Timeline

Timeline From CIPO dates

2001200320052007200920112013201520172019Application filedMay 24, 2000Term endedMay 24, 2020

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.