← Back to Patent Explorer
US3983818A Expired / Lapsed US ⏱️ 0.0 years remaining

Incendiary tracer projectile

Assignee: United States Department of the Army
•
Filing: 1975-03-31
•
Granted: 1976-10-05
•
Expires: 1995-03-31
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract Incendiary or flame projectile for use with conventional igniter-tracer sems and capable of being propelled over distances up to about 600 yards to ignite hard-to-ignite combustible materials such as wood or canvas, the projectile being operable and efficient at atmospheric pressures and containing a flame-producing composition similar to gas generator propellants of double-base or ammonium perchlorate formulations.

Inventors

  • 👤 Thomas Q. Ciccone
  • 👤 Thomas McNally
  • 👤 William E. Perkins

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 13:06
CPC Classifications
F; F42; F42B; F42B12/00; F42B12/02; F42B12/36; F42B12/44; F42B12/38

Claims Analysis

Total Claims: 10
Claim 1
Independent Claim 75 words
In a projectile having an igniter-tracer system therein, the improvement therewith comprising a flame-producing composition communicating with said igniter-tracer system for providing propulsion of an incendiary projectile up to a distance of about 600 yards and yet burning with a high temperature over an extended duration to ignite hard-to-ignite combustible materials such as wood and canvas, said flame-producing composition consisting of, by weight: ______________________________________ Nitrocellulose (12.6%N) 57.0% Nitroguanidine 22.8 Diphenylamine 3.1 Dibutyl phthalate 17.1. ______________________________________
Claim 2
Dependent Claim 75 words
In a projectile having an igniter-tracer system therein, the improvement therewith comprising a flame-producing composition communicating with said igniter-tracer system for providing propulsion of an incendiary projectile up to a distance of about 600 yards and yet burning with a high temperature over an extended duration to ignite hard-to-ignite combustible materials such as wood and canvas, said flame-producing composition consisting of, by weight: ______________________________________ Nitrocellulose (12.6%N) 57.0% Nitroguanidine 22.8 Diphenylamine 3.1 Dibutyl phthalate 17.1. ______________________________________
Claim 3
Dependent Claim 75 words
In a projectile having an igniter-tracer system therein, the improvement therewith comprising a flame-producing composition communicating with said igniter-tracer system for providing propulsion of an incendiary projectile up to a distance of about 600 yards and yet burning with a high temperature over an extended duration to ignite hard-to-ignite combustible materials such as wood and canvas, said flame-producing composition consisting of, by weight: ______________________________________ Ammonium perchlorate 75.0% Polyester styrene (liquid) 23.5 Toluene di-isocyanate 1.5. ______________________________________
Claim 4
Dependent Claim 75 words
In a projectile having an igniter-tracer system therein, the improvement therewith comprising a flame-producing composition communicating with said igniter-tracer system for providing propulsion of an incendiary projectile up to a distance of about 600 yards and yet burning with a high temperature over an extended duration to ignite hard-to-ignite combustible materials such as wood and canvas, said flame-producing composition consisting of, by weight: ______________________________________ Ammonium perchlorate 75.0% Polyester styrene (liquid) 23.5 Toluene di-isocyanate 1.5. ______________________________________
Claim 5
Dependent Claim 74 words
The incendiary projectile described in claim 1 wherein said projectile includes a polyethylene container and said flame-producing composition is fixedly adhered to said container by means of a plurality of spaced transverse grooves disposed around periphery of said container and a corresponding number of spaced grooves in said flame-producing composition aligned with said container grooves, and a sealant material disposed within all of said grooves for additionally securing said flame-producing composition to said container.
Claim 6
Dependent Claim 74 words
The incendiary projectile described in claim 2 wherein said projectile includes a polyethylene container and said flame-producing composition is fixedly adhered to said container by means of a plurality of spaced transverse grooves disposed around periphery of said container and a corresponding number of spaced grooves in said flame-producing composition aligned with said container grooves, and a sealant material disposed within all of said grooves for additionally securing said flame-producing composition to said container.
Claim 7
Dependent Claim 14 words
The incendiary projectile described in claim 3 wherein said sealant is an epoxy resin.
Claim 8
Dependent Claim 14 words
The incendiary projectile described in claim 4 wherein said sealant is an epoxy resin.
Claim 9
Dependent Claim 52 words
The incendiary projectile of claim 5 wherein a special effects component within said container is axially forwardly said flame-producing composition and of lesser diameter than said flame-producing composition while in communicating relation thereto, said special effects component comprising an ignitable material selected from the group consisting of flash-producing compositions and flame-producing compositions.
Claim 10
Dependent Claim 52 words
The incendiary projectile of claim 6 wherein a special effects component within said container is axially forwardly said flame-producing composition and of lesser diameter than said flame-producing composition while in communicating relation thereto, said special effects component comprising an ignitable material selected from the group consisting of flash-producing compositions and flame-producing compositions.

References Cited (Backward Citations)

US3370536A Cited
US3702792A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1979-10-05 1980-04-05 1980-10-05 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1983-10-05 1984-04-05 1984-10-05 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1987-10-05 1988-04-05 1988-10-05 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag