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Debris-free combustible aerial shell

  • US 10,267,606 B2
  • Filed: 08/24/2017
  • Issued: 04/23/2019
  • Est. Priority Date: 08/24/2017
  • Status: Active Grant
First Claim
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1. A pyrotechnic projectile comprising:

  • an aerial shell comprising at least one combustible layer of material, the at least one combustible layer comprising an outermost combustible layer surrounding the at least one combustible layer, the outermost combustible layer configured to ignite on substantially an entire outer surface, the outermost combustible layer comprising a relatively higher combustion rate than the at least one combustible layer;

    the at least one combustible layer surrounding and containing at least one pyrotechnic effect and a dispersive explosive charge;

    the at least one combustible layer comprising a combustible material configured to burn substantially throughout the at least one combustible layer; and

    wherein the at least one combustible layer is configured to burn through a thickness at a preselected rate to thereby ignite the dispersive explosive charge.

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