Smoke charge for training mine
CA 1328772 C · Owner: Tasse, Gilles · Inventors: Brown, Richard A.; Tasse, Gilles
Overview
Its claims, description and drawings are in the Canadian Patents Database.
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Abstract From the Canadian patent
A spotting charge for a training mine comprises a can body with a smoke opening in one end and a cover closing the opposite end. The smoke opening is closed with a plastic film tape. Within the can body is a disk of slow burning smoke generating compound. To accelerate the burning as much as possible, the disk is perforated with a large number of through holes. On one side of the disk is a layer of primed cambric for igniting the smoke composition. The cambric itself is ignited by an electrically fired igniter squib. The smoke from the smoke composition passes through a baffle arrangement before reaching the smoke exit. This provides sufficient cooling of the volatilized smoke/die …
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 April 26, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 26, 2011.
- 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.