Patent Yard Sign in
Expired Canadian patentCanada

Oxygen-fuel burner with lancing capability

CA 1201372 A · Owner: Cadre Corporation (The) · Inventors: Cadre Corporation (The)

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

An oxygen-fuel burner of the rocket burner type includes a graphite burner block (11) for direct exposure to the interior of a furnace, and a cylindrical combustion chamber (115) formed through the hot face of the burner block and extending into the burner block. An oxygen supply conduit (15) delivers oxygen to the combustion chamber along the center line of the combustion chamber and fuel supply ducts (109 and 110) deliver fuel to the combustion chamber at the concave surface of the combustion chamber whereby fuel, surrounds the stream of oxygen. Excess oxygen can be suplied by the nozzle (82) to provide more oxygen than consumed by the flame, whereby the excess oxygen is preheated as it …

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

  • Granted March 4, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 4, 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.
FiledJune 16, 1983
GrantedMarch 4, 1986
Term endedMarch 4, 2003
Patent numberCA 1201372 A
Classification (IPC)F23D11/36 +2 more

Timeline

Timeline From CIPO dates

1984198619881990199219941996199820002002Application filedJune 16, 1983Patent grantedMarch 4, 1986Term endedMarch 4, 2003

Sources & verification

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