Tailorable roll-bonded insensitive munitions case
CA 2120155 A1 · Owner: Atlantic Research Corporation · Inventors: Figge, Irving E. Sr.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
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Abstract From the Canadian patent
A tailorable roll-bonded, insensitive munitions motor case (2) and method of production. The motor case (2) comprises a sheet of fiber reinforced thermoplastic (1), thermoset or other suitable material rolled to form a case (2) with a tubular configuration having at least one layer of material, and a coating of adhesive (7) on at least part of said sheet (1) for bonding the sheet (1) to itself for maintaining the tubular configuration. The adhesive (7) has a bond-strength breakdown temperature which is below the auto-ignition temperature of the housed propellant thereby, enabling the case to separate and un-roll when the breakdown temperature is reached to preclude dangerous propellant …
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
- Filed October 15, 1992. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 15, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 15, 2014.
- 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.