US20200278184A1 - Cartridge For Rendering A Firearm Inoperative - Google Patents
Cartridge For Rendering A Firearm Inoperative Download PDFInfo
- Publication number
- US20200278184A1 US20200278184A1 US16/748,125 US202016748125A US2020278184A1 US 20200278184 A1 US20200278184 A1 US 20200278184A1 US 202016748125 A US202016748125 A US 202016748125A US 2020278184 A1 US2020278184 A1 US 2020278184A1
- Authority
- US
- United States
- Prior art keywords
- firearm
- cartridge
- bullet
- thermite
- primer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B33/00—Manufacture of ammunition; Dismantling of ammunition; Apparatus therefor
- F42B33/06—Dismantling fuzes, cartridges, projectiles, missiles, rockets or bombs
- F42B33/067—Dismantling fuzes, cartridges, projectiles, missiles, rockets or bombs by combustion
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41A—FUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE
- F41A17/00—Safety arrangements, e.g. safeties
- F41A17/44—Safety plugs, e.g. for plugging-up cartridge chambers, barrels, magazine spaces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B5/00—Cartridge ammunition, e.g. separately-loaded propellant charges
- F42B5/02—Cartridges, i.e. cases with charge and missile
- F42B5/145—Cartridges, i.e. cases with charge and missile for dispensing gases, vapours, powders, particles or chemically-reactive substances
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F42—AMMUNITION; BLASTING
- F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
- F42B12/00—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material
- F42B12/02—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect
- F42B12/36—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect for dispensing materials; for producing chemical or physical reaction; for signalling ; for transmitting information
Definitions
- the present invention relates to a cartridge for rendering a firearm unusable for its intended purpose. More specifically, a cartridge which will not discharge a projectile, but will instead weld itself in place within the chamber of the firearm when the trigger is pulled, is provided.
- a firearm cartridge is sufficiently small so that the burden of carrying a small number of special purpose cartridges is small. Accordingly, there is a need for a cartridge which, when placed in a firearm, renders that firearm useless when the trigger is pulled.
- the above needs are met by a cartridge for rendering a firearm inoperative.
- the cartridge comprises a thermite charge having a first end and a second end, a primer secured at the first end, and a bullet secured to the second end.
- the bullet is made from thermite.
- the above needs are further met by a method of rendering a firearm inoperative.
- the method comprises providing a cartridge.
- the cartridge comprises a thermite charge having a first end and a second end, a primer secured at the first end, and a bullet secured to the second end.
- the bullet is made from thermite.
- the cartridge is placed within a chamber of the firearm, and the trigger of the firearm is squeezed.
- FIG. 1 is a cutaway side elevational view of a cartridge for destroying a firearm.
- FIG. 2 is a cutaway side elevational view of another cartridge for destroying a firearm.
- FIG. 3 is a cutaway side elevational view of yet another cartridge for destroying a firearm.
- a cartridge 10 for destroying a firearm is shown. As shown in FIGS. 1-3 , the cartridge 10 resembles a standard cartridge for the firearm to be destroyed, but may include coloring or other visual indicia to clearly distinguish it from a conventional cartridge for the firearm.
- the illustrated example of the cartridge 10 includes a casing 12 having a primer pocket 14 with a primer 16 secured therein, although a caseless cartridge could be used without departing from the invention.
- the casing 12 includes an interior 18 having a thermite charge 20 disposed therein.
- a bullet 22 is secured to the casing 12 in a manner that will resist passage of the bullet through the barrel of the firearm when the cartridge 10 is activated, for example, using an adhesive such as epoxy.
- a typical thermite charge includes a metal oxide and a reducing metal. When heated to a sufficient temperature, the thermite is ignited, commencing an exothermic reaction between the metal oxide and reducing metal.
- metal oxides 34 include La 2 O 3 , AgO, ThO 2 , SrO, ZrO 2 , UO 2 , BaO, CeO 2 , B 2 O 3 , SiO 2 , V 2 O 5 , Ta 2 O 5 , NiO, Ni 2 O 3 , Cr 2 O 3 , MoO 3 , P 2 O 5 , SnO 2 , WO 2 , WO 3 , Fe 3 O 4 , COO, Co 3 O 4 , Sb 2 O 3 , PbO, Fe 2 O 3 , Bi 2 O 3 , MnO 2 , Cu 2 O, and CuO.
- Example reducing metals 36 include Al, Zr, Th, Ca, Mg, U, B, Ce, Be, Ti, Ta, Hf, and La.
- One example utilizes cupric oxide (CuO) and aluminum.
- the resulting chemical reaction is 3CuO+2Al ⁇ 3 Cu+Al 2 O 3 + heat.
- the reaction therefore requires 3 moles of CuO, weighing 79.5454 grams/mole, for every 2 moles of Al, weighing 26.98154 grams/mole.
- CuO has a density of 6.315 g/cm 3
- aluminum has a density of 2.70 g/cm 3 . Therefore, the volume of CuO required for every 3 moles is 37.788 cm 3 . Similarly, the volume of Al required for every 2 moles is 19.986 cm 3 .
- Fe 2 O 3 iron oxide
- aluminum which results in the reaction Fe 2 O 3 +2Al ⁇ 2Fe+Al 2 O 3 .
- one mole of iron oxide is required for every two moles of aluminum.
- Fe 2 O 3 has a mass of 159.69 g/mol, so 159.69 g of iron oxide is required for every 53.96308 g. of aluminum (26.98154 grams/mole).
- the density of Fe 2 O 3 is 5.242 g/cm 3 , so 30.464 cm 3 of Fe 2 O 3 is required for every 15.989 cm3 of aluminum (2.70 g/cm 3 ).
- Yet another example utilizes Iron and cupric oxide, which react according to Fe+CuO ⁇ FeO+Cu.
- a mole of iron has a mass of 55.845 g, and a density of 7.874 g/cm 3 . Therefore, 7.092 cm 3 of iron are needed to react with every 12.596 cm 3 of cupric oxide. If other metal oxides and reducing metals are selected, then the relative thickness of the metal oxide 12 and reducing metal 14 can be similarly determined.
- a further possible combination utilizes Al as the reducing metal, and a combination of both CuO and Fe 2 O 3 as metal oxides. Depending on the proportions of CuO and Fe 2 O 3 to be utilized, the amounts of each of the metal oxides and the reducing metal can be calculated as described above. This combination provides an advantageous combination of easy ignitability and slow, low pressure once ignited.
- the thermite can take any of numerous forms, including rods, pellets, powders, cold-pressed powders, hot pressed powders, or layered structures of alternating metal oxide and reducing metal. If the thermite is in the form of a single pellet rather than powdered or granular, then the primer 16 and bullet 22 may be seated within opposing ends of the thermite, eliminating the need for a casing 12 .
- the bullet 22 is not a conventional bullet, and is not intended to be launched from the firearm. Instead, the bullet is also made from thermite, with the thermite combinations discussed above being possible combinations for the bullet 22 .
- the illustrated example of the bullet 22 is made by hot pressing the thermite into a cylindrical shape.
- the shape of the bullet 22 not only provides additional contact between the bullet 22 and the barrel of a firearm, but also provides an additional visual distinction between the cartridge 10 and conventional ammunition.
- Some examples of the bullet 22 may be made from slower burning thermites, which, with the bullet in direct contact with the barrel, are anticipated to penetrate the chrome lining on a chrome lined barrel, and to effectively weld the barrel shut.
- the primer 16 may be a conventional primer, or may be a primer as disclosed in US 2016/0102030, which was invented by Kevin R. Coffey et al. and published on Apr. 14, 2016, the entire disclosure of which is expressly incorporated herein by reference.
- the primer may be of a type disclosed in US patent application Ser. No. 16/175,589, which was filed by Timothy Mohler et al. on Oct. 30, 2018, the entire disclosure of which is expressly incorporated herein by reference.
- Some examples of the primer 24 may include an aperture 26 ( FIG. 2 ) therein.
- an aperture 28 may be defined in the base 30 ( FIG. 3 ) of the casing 12 .
- the cartridge 10 In use, the cartridge 10 is placed into the chamber of a firearm, and the trigger of the firearm is pulled, causing the firing pin to strike the primer 16 , 24 , thereby igniting the thermite charge 20 .
- the bullet 22 is not intended to be fired from the gun, but to be ignited by the thermite charge 20 .
- the cartridge 10 essentially welds itself to the firearm, perhaps at least partially melting and rendering useless components of the firearm in contact with or adjacent to the cartridge 10 .
- the bullet 22 welds itself to the barrel of the firearm. Combustion products pass through the aperture 26 or 28 , thus welding the firing pin and firing pin channel.
- the firearm which may, for example, have been taken from an enemy during a military operation, is thus rendered useless.
- the present invention thus provides a means of disabling and rendering useless a firearm that, for example, must be left behind during a military operation.
- the firearm disabling cartridge is easy to carry, and readily distinguishable from conventional ammunition.
- the firearm disabling cartridge can be used quickly and easily, ensuring that other enemies will not use the disabled firearm.
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Manufacturing & Machinery (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
A firearm cartridge includes a thermite charge and a thermite bullet. Upon ignition, the thermite charge is ignited by the primer. The bullet, instead of being propelled down the barrel, is also ignited by the thermite charge. The ignition of the thermite charge is commenced by the firing pin of the gun striking the primer. Upon ignition, the thermite charge ignites the bullet. The ignited thermite charge and bullet melt firearm components that are located adjacent to the chamber, and/or weld themselves to the chamber, rendering the firearm unusable.
Description
- This application claims the benefit of U.S. provisional patent application Ser. No. 62/794,990, which was filed on Jan. 21, 2019, and entitled “Cartridge for Destroying a Firearm.”
- The present invention relates to a cartridge for rendering a firearm unusable for its intended purpose. More specifically, a cartridge which will not discharge a projectile, but will instead weld itself in place within the chamber of the firearm when the trigger is pulled, is provided.
- Military personnel sometimes acquire control of firearms that were previously used by their enemies, but which they cannot carry with them on their current mission. Reasons might include unnecessary and/or hindering bulk and weight. Leaving the gun behind and useable could result in its use by other enemy personnel. Rendering the gun useless for its intended purpose before leaving it behind is thus desirable.
- Similarly, law enforcement personnel are sometimes required to destroy a firearm either by department policy or by a court order. A simple means of rendering the firearm useless for its intended purpose is therefore desirable.
- The means of rendering the gun useless should not add significant weight or bulk to the total load that must be carried. A firearm cartridge is sufficiently small so that the burden of carrying a small number of special purpose cartridges is small. Accordingly, there is a need for a cartridge which, when placed in a firearm, renders that firearm useless when the trigger is pulled.
- The above needs are met by a cartridge for rendering a firearm inoperative. The cartridge comprises a thermite charge having a first end and a second end, a primer secured at the first end, and a bullet secured to the second end. The bullet is made from thermite.
- The above needs are further met by a method of rendering a firearm inoperative. The method comprises providing a cartridge. The cartridge comprises a thermite charge having a first end and a second end, a primer secured at the first end, and a bullet secured to the second end. The bullet is made from thermite. The cartridge is placed within a chamber of the firearm, and the trigger of the firearm is squeezed.
- These and other aspects of the invention will become more apparent through the following description and drawings.
-
FIG. 1 is a cutaway side elevational view of a cartridge for destroying a firearm. -
FIG. 2 is a cutaway side elevational view of another cartridge for destroying a firearm. -
FIG. 3 is a cutaway side elevational view of yet another cartridge for destroying a firearm. - Like reference characters denote like elements throughout the drawing.
- Referring to the drawings, a
cartridge 10 for destroying a firearm is shown. As shown inFIGS. 1-3 , thecartridge 10 resembles a standard cartridge for the firearm to be destroyed, but may include coloring or other visual indicia to clearly distinguish it from a conventional cartridge for the firearm. The illustrated example of thecartridge 10 includes acasing 12 having aprimer pocket 14 with aprimer 16 secured therein, although a caseless cartridge could be used without departing from the invention. Thecasing 12 includes aninterior 18 having athermite charge 20 disposed therein. Abullet 22 is secured to thecasing 12 in a manner that will resist passage of the bullet through the barrel of the firearm when thecartridge 10 is activated, for example, using an adhesive such as epoxy. - Those skilled in the art of thermite will recognize that a typical thermite charge includes a metal oxide and a reducing metal. When heated to a sufficient temperature, the thermite is ignited, commencing an exothermic reaction between the metal oxide and reducing metal. Examples of metal oxides 34 include La2O3, AgO, ThO2, SrO, ZrO2, UO2, BaO, CeO2, B2O3, SiO2, V2O5, Ta2O5, NiO, Ni2O3, Cr2O3, MoO3, P2O5, SnO2, WO2, WO3, Fe3O4, COO, Co3O4, Sb2O3, PbO, Fe2O3, Bi2O3, MnO2, Cu2O, and CuO. Example reducing metals 36 include Al, Zr, Th, Ca, Mg, U, B, Ce, Be, Ti, Ta, Hf, and La.
- One example utilizes cupric oxide (CuO) and aluminum. The resulting chemical reaction is 3CuO+2Al→3Cu+Al2O3+ heat. The reaction therefore requires 3 moles of CuO, weighing 79.5454 grams/mole, for every 2 moles of Al, weighing 26.98154 grams/mole. CuO has a density of 6.315 g/cm3, and aluminum has a density of 2.70 g/cm3. Therefore, the volume of CuO required for every 3 moles is 37.788 cm3. Similarly, the volume of Al required for every 2 moles is 19.986 cm3.
- Another example utilizes iron oxide (Fe2O3) and aluminum, which results in the reaction Fe2O3+2Al→2Fe+Al2O3. In this example, one mole of iron oxide is required for every two moles of aluminum. Fe2O3 has a mass of 159.69 g/mol, so 159.69 g of iron oxide is required for every 53.96308 g. of aluminum (26.98154 grams/mole). The density of Fe2O3 is 5.242 g/cm3, so 30.464 cm3 of Fe2O3 is required for every 15.989 cm3 of aluminum (2.70 g/cm3).
- Yet another example utilizes Iron and cupric oxide, which react according to Fe+CuO→FeO+Cu. In this example, a mole of iron has a mass of 55.845 g, and a density of 7.874 g/cm3. Therefore, 7.092 cm3 of iron are needed to react with every 12.596 cm3 of cupric oxide. If other metal oxides and reducing metals are selected, then the relative thickness of the
metal oxide 12 and reducingmetal 14 can be similarly determined. - A further possible combination utilizes Al as the reducing metal, and a combination of both CuO and Fe2O3 as metal oxides. Depending on the proportions of CuO and Fe2O3 to be utilized, the amounts of each of the metal oxides and the reducing metal can be calculated as described above. This combination provides an advantageous combination of easy ignitability and slow, low pressure once ignited.
- The thermite can take any of numerous forms, including rods, pellets, powders, cold-pressed powders, hot pressed powders, or layered structures of alternating metal oxide and reducing metal. If the thermite is in the form of a single pellet rather than powdered or granular, then the
primer 16 andbullet 22 may be seated within opposing ends of the thermite, eliminating the need for acasing 12. - The
bullet 22 is not a conventional bullet, and is not intended to be launched from the firearm. Instead, the bullet is also made from thermite, with the thermite combinations discussed above being possible combinations for thebullet 22. The illustrated example of thebullet 22 is made by hot pressing the thermite into a cylindrical shape. The shape of thebullet 22 not only provides additional contact between thebullet 22 and the barrel of a firearm, but also provides an additional visual distinction between thecartridge 10 and conventional ammunition. Some examples of thebullet 22 may be made from slower burning thermites, which, with the bullet in direct contact with the barrel, are anticipated to penetrate the chrome lining on a chrome lined barrel, and to effectively weld the barrel shut. - The
primer 16 may be a conventional primer, or may be a primer as disclosed in US 2016/0102030, which was invented by Kevin R. Coffey et al. and published on Apr. 14, 2016, the entire disclosure of which is expressly incorporated herein by reference. Alternatively, the primer may be of a type disclosed in US patent application Ser. No. 16/175,589, which was filed by Timothy Mohler et al. on Oct. 30, 2018, the entire disclosure of which is expressly incorporated herein by reference. Some examples of theprimer 24 may include an aperture 26 (FIG. 2 ) therein. As another alternative, anaperture 28 may be defined in the base 30 (FIG. 3 ) of thecasing 12. - In use, the
cartridge 10 is placed into the chamber of a firearm, and the trigger of the firearm is pulled, causing the firing pin to strike theprimer thermite charge 20. Thebullet 22 is not intended to be fired from the gun, but to be ignited by thethermite charge 20. As thethermite 20 within thecartridge 10 ignites, thecartridge 10 essentially welds itself to the firearm, perhaps at least partially melting and rendering useless components of the firearm in contact with or adjacent to thecartridge 10. Thebullet 22 welds itself to the barrel of the firearm. Combustion products pass through theaperture - The present invention thus provides a means of disabling and rendering useless a firearm that, for example, must be left behind during a military operation. The firearm disabling cartridge is easy to carry, and readily distinguishable from conventional ammunition. The firearm disabling cartridge can be used quickly and easily, ensuring that other enemies will not use the disabled firearm.
- A variety of modifications to the above-described embodiments will be apparent to those skilled in the art from this disclosure. Thus, the invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The particular embodiments disclosed are meant to be illustrative only and not limiting as to the scope of the invention. The appended claims, rather than to the foregoing specification, should be referenced to indicate the scope of the invention.
Claims (5)
1. A cartridge for rendering a firearm inoperative, the cartridge comprising:
a thermite charge having a first end and a second end;
a primer secured at the first end; and
a bullet secured to the second end, the bullet being thermite.
2. The cartridge according to claim 1 , further comprising a casing, the casing having an interior having the thermite charge therein, the casing having a first end wherein the primer is secured and a second end wherein the bullet is secured.
3. The cartridge according to claim 2 , wherein the casing defines a channel extending from the interior to the first end, adjacent to the primer.
4. The cartridge according to claim 2 , further comprising an adhesive securing the bullet to the casing.
5. A method of rendering a firearm inoperative, comprising:
providing a cartridge, the cartridge comprising:
a thermite charge having a first end and a second end;
a primer secured at the first end; and
a bullet secured to the second end, the bullet being thermite;
placing the cartridge within a chamber of the firearm; and
squeezing the trigger of the firearm.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US16/748,125 US20200278184A1 (en) | 2019-01-21 | 2020-01-21 | Cartridge For Rendering A Firearm Inoperative |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201962794990P | 2019-01-21 | 2019-01-21 | |
US16/748,125 US20200278184A1 (en) | 2019-01-21 | 2020-01-21 | Cartridge For Rendering A Firearm Inoperative |
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US20200278184A1 true US20200278184A1 (en) | 2020-09-03 |
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US16/748,125 Abandoned US20200278184A1 (en) | 2019-01-21 | 2020-01-21 | Cartridge For Rendering A Firearm Inoperative |
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Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2337658A (en) * | 1942-04-21 | 1943-12-28 | Joseph J Hick | Incendiary bullet |
US20050016410A1 (en) * | 2003-07-21 | 2005-01-27 | Brian Maguire | Munitions mines |
US20090301337A1 (en) * | 2005-01-10 | 2009-12-10 | Novacentrix Corporation | Nano-enhanced kinetic energy particles |
US20130139715A1 (en) * | 2011-06-13 | 2013-06-06 | Eric Bleicken | Reactive material breaching device |
US8887638B1 (en) * | 2014-01-17 | 2014-11-18 | GDEB Associates, Trustee for Gun Disabling Exploding Bullet CRT Trust | Gun disabling exploding bullet |
US9052175B1 (en) * | 2014-10-14 | 2015-06-09 | SCTA Associates, Trustee for Sabotage Cartridge with Toxic Agent CRT Trust | Sabotage cartridge with toxic agent |
US9714803B2 (en) * | 2012-11-06 | 2017-07-25 | Karl-Friedrich Giebel | Destruction unit and firearm with said destruction unit and method for rendering a firearm inoperative |
US20190301842A1 (en) * | 2018-03-30 | 2019-10-03 | Beau Waswo | Gun Disabling Mock Ammunition |
-
2020
- 2020-01-21 US US16/748,125 patent/US20200278184A1/en not_active Abandoned
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2337658A (en) * | 1942-04-21 | 1943-12-28 | Joseph J Hick | Incendiary bullet |
US20050016410A1 (en) * | 2003-07-21 | 2005-01-27 | Brian Maguire | Munitions mines |
US20090301337A1 (en) * | 2005-01-10 | 2009-12-10 | Novacentrix Corporation | Nano-enhanced kinetic energy particles |
US20130139715A1 (en) * | 2011-06-13 | 2013-06-06 | Eric Bleicken | Reactive material breaching device |
US9714803B2 (en) * | 2012-11-06 | 2017-07-25 | Karl-Friedrich Giebel | Destruction unit and firearm with said destruction unit and method for rendering a firearm inoperative |
US8887638B1 (en) * | 2014-01-17 | 2014-11-18 | GDEB Associates, Trustee for Gun Disabling Exploding Bullet CRT Trust | Gun disabling exploding bullet |
US9052175B1 (en) * | 2014-10-14 | 2015-06-09 | SCTA Associates, Trustee for Sabotage Cartridge with Toxic Agent CRT Trust | Sabotage cartridge with toxic agent |
US20190301842A1 (en) * | 2018-03-30 | 2019-10-03 | Beau Waswo | Gun Disabling Mock Ammunition |
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Owner name: SPECTRE ENTERPRISES, INC., FLORIDA Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:YATES, DANIEL, MR.;REEL/FRAME:052300/0908 Effective date: 20200211 |
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