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Expired Canadian patentCanada

Carrying tower arrangement for a metallurgical vessel

CA 1190023 A · Owner: Voest - Alpine Aktiengesellschaft · Inventors: Kagerhuber, Franz; Felbermayer, Erich; Muhlbauer, Gerhard

CIPO record

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

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Abstract From the Canadian patent

A carrying tower for a metallurgical vessel includes at least one carrying arm cantilevering from a non-rotatable carrying column and pivotable about the carrying column which carrying arm carries at least one metallurgical vessel. A pivot bearing is provided between the carrying arm and the carrying column. In order to enable a simple check, maintenance and a quick removal of the pivot bearing with the carrying arm remaining on the carrying tower a single pivot bearing accommodating axial and radial forces as well as tilting moments, with a lower side shoulder of a first bearing race, rests on a supporting surface arranged on the upper end of the carrying column. The carrying arm is …

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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 July 9, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 9, 2002.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledOctober 5, 1982
GrantedJuly 9, 1985
Term endedJuly 9, 2002
Patent numberCA 1190023 A
Classification (IPC)B22D45/00 +1 more

Timeline

Timeline From CIPO dates

1983198519871989199119931995199719992001Application filedOct 5, 1982Patent grantedJuly 9, 1985Term endedJuly 9, 2002

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