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Expired Canadian patentCanada

Support construction for a horizontal conduit, which is connected to a vessel

CA 1085162 A · Owner: Hoogovens Ijmuiden B.V. · Inventors: Brandenburg, Jan H.

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 conduit, specifically a hot-blast main for a blast furnace, is supported on a vessel specifically a hot-blast stove, into which it is connected by a branch, by means of at least one vertical support member and a framework mounted on the vessel and carrying the support member. The framework includes a strut or tie element extending from the end of the support member to the point of connection of the conduit branch into the furnace. The support member, which may be a rod hinged to the framework, may suspend the conduit from above or support it from below. This construction is simple and provides support for the conduit without problems due to vertical movement caused by thermal expansion of …

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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 September 9, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 9, 1997.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledSeptember 23, 1976
GrantedSeptember 9, 1980
Term endedSeptember 9, 1997
Patent numberCA 1085162 A
Classification (IPC)F27B1/10 +1 more

Timeline

Timeline From CIPO dates

1977198019831986198919921995Application filedSep 23, 1976Patent grantedSep 9, 1980Term endedSep 9, 1997

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