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Expired Canadian patentCanada

Conductor containing explosive gas mixture for initiation of ignition element and explosive charge

CA 1057504 A · Owner: Nitro Nobel Ab · Inventors: Enoksson, Bertil P.

CIPO record

Overview

Drawings and full text

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

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Abstract From the Canadian patent

The invention relates to a conductor for transmission of an initiation to an ignition element. In accordance with the invention, the conductor consists of a plastic tube filled, with explosive gas and made in such a way that turbulence is achieved in the ignition zone for the solid ignition substance. The velocity with which the initiation is transmitted is regulated by a chosen component, by chosen components and their relation to each other, by gas pressure by temperature, and by, the inner diameter of the tube.

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.

Why it's free to use

  • Granted July 3, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 3, 1996.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Filed—
GrantedJuly 3, 1979
Term endedJuly 3, 1996
Patent numberCA 1057504 A
Classification (IPC)C06C5/04 +1 more

Timeline

Timeline From CIPO dates

198019821984198619881990199219941996Patent grantedJuly 3, 1979Term endedJuly 3, 1996

Sources & verification

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