Method for the processing of black powder
CA 1066511 A · Owner: Dyno Industrier A.S. · Inventors: Lovold, Kjell
Overview
Its claims, description and drawings are in the Canadian Patents Database.
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Abstract From the Canadian patent
Abstract of the Disclosure, A method of continuously processing meal black powder in order to make it suitable for use in fuses wherein, a conventionally produced meal black powder is blended with about 20 % of water; said moist black powder is compressed to a coherent body in the form of sheets, said sheets are rubbed through a sieve; said sieved powder is agglomerated into spherical grains, said grains are dried to a moisture content of about 1 % and are sieved in order to provide a fraction having a grain size in the range of 0.3 and 1.0 mm.
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 20, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 20, 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.
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.