Explosive fuse-cord
CA 1089707 A · Owner: Imperial Chemical Industries Limited · Inventors: Steele, Daniel
Overview
Its claims, description and drawings are in the Canadian Patents Database.
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Abstract From the Canadian patent
An explosive fusecord comprising a core of explosive material surrounded by at least two layers of wrapping material, two adjacent layers being bonded together by an intermediate layer of waterproof hot-melt adhesive material which is preferably a blend of polymeric film former and a tackifying resin. The fusecord is especially useful as an energy source for seismic prospecting.
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 November 18, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 18, 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.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.