Extraction system for underground threats

Patent metadata

Field	Value
Publication number	US-10753712-B1
Application number	US-201916602048-A
Country	US
Kind code	B1
Filing date	Jul 29, 2019
Priority date	Jul 29, 2019
Publication date	Aug 25, 2020
Grant date	Aug 25, 2020

Abstract

A system for extracting threats buried underground includes a housing, a shaped charge coupled to the housing at one end, and an explosive projectile disposed in the housing and spaced-apart from the shaped charge. The explosive projectile includes an open-ended pipe, a detonation line wrapped about the pipe and extending away therefrom and through the housing, an explosive material disposed about and in contact with the detonation line wrapped about the pipe. The explosive projectile also includes a first donut-shaped plate at one end of the pipe, a second donut-shaped plate at another end of the pipe, and a third donut-shaped plate coupled to and spaced-apart from the second donut-shaped plate. A flow path extends through the plates and the pipe.

First claim

What is claimed as new and desired to be secured by Letters Patent of the United States is:

1. A system for extracting threats buried underground, comprising:
a housing;
a shaped charge being coupled to said housing at one end thereof; and
an explosive projectile being disposed in said housing and spaced-apart from said shaped charge,
wherein said explosive projectile includes
an open-ended pipe,
a detonation line wrapped about said pipe and extending away therefrom and through said housing,
an explosive material disposed about and in contact with said detonation line wrapped about said pipe,
a first donut-shaped plate at one end of said pipe,
a second donut-shaped plate at another end of said pipe, and
a third donut-shaped plate coupled to and spaced-apart from said second donut-shaped plate, and
wherein a flow path extends through said third donut-shaped plate, said second donut-shaped plate, said pipe, and said first donut-shaped plate.

2. The system as in claim 1 , wherein said housing comprises a cylinder.

3. The system as in claim 1 , wherein said flow path is linear.

4. The system as in claim 1 , wherein said flow path is aligned with a central axis of said shaped charge.

5. The system as in claim 1 , wherein said pipe comprises a straight metal pipe.

6. The system as in claim 1 , further comprising spacers disposed between an inside surface of said housing and an outside surface of said explosive projectile, wherein said flow path is aligned with a central axis of said shaped charge.

7. The system as in claim 1 , further comprising a base coupled to another end of said housing, wherein said base adapted to rest on a ground surface, wherein said housing extends upwards from the ground surface, and wherein said shaped charge is atop said housing.

8. A system for extracting threats buried underground, comprising:
a cylindrical housing;
a shaped charge being coupled to said cylindrical housing at one end thereof; and
a cylindrical explosive projectile being disposed in said cylindrical housing and spaced-apart from said shaped charge,
wherein said cylindrical explosive projectile includes
an open-ended cylindrical pipe,
a detonation line wrapped about said cylindrical pipe and extending away therefrom and through said cylindrical housing,
a cylindrical tube of explosive material disposed about and in contact with said detonation line wrapped about said cylindrical pipe,
a first donut-shaped plate at one end of said cylindrical pipe,
a second donut-shaped plate at another end of said cylindrical pipe, and
a third donut-shaped plate coupled to and spaced-apart from said second donut-shaped plate, and
wherein a flow path extends through said third donut-shaped plate, said second donut-shaped plate, said cylindrical pipe, and said first donut-shaped plate.

9. The system as in claim 8 , wherein said flow path is linear.

10. The system as in claim 8 , wherein said flow path is aligned with a central axis of said shaped charge.

11. The system as in claim 8 , wherein said cylindrical pipe comprises a metal pipe.

12. The system as in claim 8 , further comprising spacers disposed between an inside surface of said cylindrical housing and an outside surface of said cylindrical explosive projectile, wherein said flow path is aligned with a central axis of said shaped charge.

13. The system as in claim 8 , further comprising a base coupled to another end of said cylindrical housing, said base adapted to rest on a ground surface, wherein said cylindrical housing extends upwards from the ground surface, and wherein said shaped charge is atop said cylindrical housing.

14. A system for extracting threats buried underground, comprising:
a housing;
a shaped charge being coupled to said housing at one end thereof;
an explosive projectile being disposed in said housing and spaced-apart from said shaped charge,
wherein said explosive projectile includes
an open-ended pipe,
a detonation line wrapped about said pipe and extends away therefrom and through said housing,
an explosive material disposed about and in contact with said detonation line wrapped about said pipe,
a first donut-shaped plate at one end of said pipe,
a second donut-shaped plate at another end of said pipe, and
a third donut-shaped plate coupled to and spaced-apart from said second donut-shaped plate, and
wherein a linear flow path extends through said third donut-shaped plate, said second donut-shaped plate, said pipe, and said first donut-shaped plate; and
a base being coupled to another end of said housing, wherein said base is adapted to rest on a ground surface, wherein said housing extends upwards from the ground surface, and wherein said shaped charge is atop said housing.

15. The system as in claim 14 , wherein said housing comprises a cylinder.

16. The system as in claim 14 , wherein said linear flow path is aligned with a central axis of said shaped charge.

17. The system as in claim 14 , wherein said pipe comprises a straight metal pipe.

18. The system as in claim 14 , further comprising spacers being disposed between an inside surface of said housing and an outside surface of said explosive projectile, wherein said linear flow path is aligned with a central axis of said shaped charge.

Assignees

• Us Navy

Inventors

• Foltz Lee
• Torres George
• Wade Jim
• Mccarthy Dan
• Sharp Mike
• Frericks Lonnie
• Shattuck Mike
• Askin Dennis
• Diaz Angel

Classifications

• F42B33/06

  Dismantling fuzes, cartridges, projectiles, missiles, rockets or bombs ({F42B33/004 and} F42B33/04 take precedence; {elimination of undesirable components of explosives C06B21/0091}) · CPC title

• F42B3/22

  Elements for controlling or guiding the detonation wave, e.g. tubes (using inert bodies embedded in shaped or hollow charges F42B1/024) · CPC title

• F42B3/08

  with cavities in the charge, e.g. hollow-charge blasting cartridges · CPC title

• F41H11/12 Primary

  Means for clearing land minefields; Systems specially adapted for detection of landmines · CPC title

• F42B1/036 Primary

  Manufacturing processes therefor {(F42B33/0214 - F42B33/0292 take precedence)} · CPC title