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Expired Canadian patentCanada

Insulation of domed reactor vessels

CA 1215005 A · Owner: Exxon Research And Engineering Company · Inventors: Peterson, John R.

CIPO record

Overview

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

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Abstract From the Canadian patent

The present invention contemplates the use of a compressed ceramic fiber blanket insulation (36) held in place in the domed portion of a vessel (14) with a plurality of curved ribs (30), or alternatively the combin-, ation of curved ribs and a wire mesh (34). Such arrangement is preferably for holding fiber blanket insulation material over possible alternate methods for securing it since the thermal expansion of the ribs at elevated operating temperature of the vessel is designed to progressively compact the blanket lining to counteract any fiber shrinkage or associated expansion of the metal shell casing.

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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 December 9, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 9, 2003.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledNovember 4, 1983
GrantedDecember 9, 1986
Term endedDecember 9, 2003
Patent numberCA 1215005 A
Classification (IPC)B65D90/06 +1 more

Timeline

Timeline From CIPO dates

1984198619881990199219941996199820002002Application filedNov 4, 1983Patent grantedDec 9, 1986Term endedDec 9, 2003

Sources & verification

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