WO2017103323A1 - Weapon/hand grenade - Google Patents

Weapon/hand grenade Download PDF

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Publication number
WO2017103323A1
WO2017103323A1 PCT/FI2016/000029 FI2016000029W WO2017103323A1 WO 2017103323 A1 WO2017103323 A1 WO 2017103323A1 FI 2016000029 W FI2016000029 W FI 2016000029W WO 2017103323 A1 WO2017103323 A1 WO 2017103323A1
Authority
WO
WIPO (PCT)
Prior art keywords
weapon
fragment
charge
dispersing
dispersing charge
Prior art date
Application number
PCT/FI2016/000029
Other languages
French (fr)
Inventor
Ilmari Kamila
Original Assignee
Ilmari Kamila
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Ilmari Kamila filed Critical Ilmari Kamila
Publication of WO2017103323A1 publication Critical patent/WO2017103323A1/en

Links

Classifications

    • 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
    • F42B12/04—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect of armour-piercing type
    • F42B12/10—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect of armour-piercing type with shaped or hollow charge
    • F42B12/12—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect of armour-piercing type with shaped or hollow charge rotatably mounted with respect to missile housing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B27/00—Hand grenades
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B10/00—Means for influencing, e.g. improving, the aerodynamic properties of projectiles or missiles; Arrangements on projectiles or missiles for stabilising, steering, range-reducing, range-increasing or fall-retarding
    • F42B10/02—Stabilising arrangements
    • F42B10/26—Stabilising arrangements using spin
    • 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
    • F42B12/20—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect of high-explosive type
    • F42B12/207—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect of high-explosive type characterised by the explosive material or the construction of the high explosive warhead, e.g. insensitive ammunition
    • 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
    • F42B12/20—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect of high-explosive type
    • F42B12/22—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect of high-explosive type with fragmentation-hull construction
    • F42B12/32—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect of high-explosive type with fragmentation-hull construction the hull or case comprising a plurality of discrete bodies, e.g. steel balls, embedded therein or disposed around the explosive charge
    • 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
    • F42B12/56—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 for dispensing discrete solid bodies
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B23/00—Land mines ; Land torpedoes
    • F42B23/10—Land mines ; Land torpedoes anti-personnel
    • F42B23/16—Land mines ; Land torpedoes anti-personnel of missile type, i.e. all kinds of mines launched for detonation after ejection from ground
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
    • G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G01S19/13—Receivers
    • G01S19/14—Receivers specially adapted for specific applications
    • G01S19/18—Military applications
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B27/00—Hand grenades
    • F42B27/08—Hand grenades with handle

Definitions

  • This invention relates to a weapon/hand grenade, which is formed of a substantially spherical shell containing a charge dispersing fragments in fan-shaped pattern.
  • grenade throwers Short-range use of indirect fire weapons (grenade throwers) may put friendly troops in danger as the grenades shatter fragments in all directions. Effective use of grenade throwers requires preparations, which are time-consuming and call for a well- protected position. In addition, grenade throwers and grenades are heavy to carry.
  • the infantry may also, as far as possible, be covered with fire support by e.g. artillery, missile batteries and aircraft, however, rapid provision of fire support is often difficult and expensive to use.
  • the weapon/hand grenade in accordance with the invention is characterised by the fragment-dispersing charge and the weapon electronics forming a single unit, which is mounted onto bearings within the shell and weighted so as to be allowed free ro- tation, with the fragment-dispersing charge remaining always in vertically upright position under the effect of gravitation.
  • One preferred embodiment of the invention is characterised by the electronics comprising a GPS, which automatically determines its position on a map and by means of which the direction of the object can be set by turning the impact direction of the weapon to point at the object and by pressing a lock button on the keyboard, and the weapon computer using the data provided by the GPS for computing the direction in which the fragment-dispersing charge should point, and the electric motor controlled by the computer turning the interior in such a manner that the fragmentation impact of the fragment-dispersing charge points at the object.
  • a GPS which automatically determines its position on a map and by means of which the direction of the object can be set by turning the impact direction of the weapon to point at the object and by pressing a lock button on the keyboard
  • the weapon computer using the data provided by the GPS for computing the direction in which the fragment-dispersing charge should point
  • the electric motor controlled by the computer turning the interior in such a manner that the fragmentation impact of the fragment-dispersing charge points at the object.
  • a second embodiment of the invention is characterised by the bottom of the interior of the weapon being provided with a rocket/explosive charge which acts as a thrown charge and goes on after a short delay, throwing the weapon about one metre above the ground, where the fragment-dispersing charge explodes and shatters the shots towards the object.
  • the weapon in accordance with the invention is a thrown charge carried and used by an individual infantry soldier and controlled by GPS and it is based on targetable fragmentation effect, having the purpose of use of exact and effective impact on live enemy force and lightly armoured vehicles, without the user leaving the safety position.
  • the weapon is extremely effective in rapid surprise situations, when the battlefield cannot be chosen or there has not been sufficient time to prepare a favourable ground in view of friendly troops by means of mining and barricades, for instance.
  • TDG GPS Targeted Directional Fragmentation Hand Grenade
  • Figure 1 illustrates the weapon in section viewed from the impact direction
  • Figure 2 illustrates the weapon in section viewed from the side
  • Figure 3 illustrates the user 9 of the weapon, carrying the weapon 10 and taking cover behind the wall 11 when he has discovered the object 12, the arrow indicating the impact direction of the weapon,
  • the weapon has a spherical shell 1, within which the electronics 2 (accumulator, computer, GPS, electric motor), the fragment-dispersing charge 3 and the thrown charge 4 form the interior, being allowed to rotate within the sphere on the bearings 5 provided between the shell and the interior.
  • the interior has been weighted such that, when the locking has been released, the interior can rotate freely under the effect of gravitation, the fragment-dispersing charge 3 always remaining in vertically upright position, with its fragmentation effect not pointed to the ground or the sky, for instance.
  • a grip 8 is attached to the shell.
  • the user activates the electronics of the weapon by pressing the start button on the keyboard 6, and then the GPS of the weapon automatically determines its position on the map.
  • the direction of the object is set by turning the impact direction of the weapon to point at the object and by pressing the locking button on the keyboard.
  • the distance to the object is set by estimating the distance to the object from the location at which the weapon is thrown and by setting it with a switch button on the keyboard.
  • the pin 7, which locks the interior to the outer shell and connects the keyboard 6 to the computer, is detached and the weapon is thrown in the direction of the object 12.
  • the GPS determines its new position on the map and the direction into which the fragment-dispersing charge 3 is pointing.
  • the computer uses the data provided by the GPS, the computer computes the direction into which the fragment-dispersing charge should be turned, and the electric motor controlled by the computer turns the interior in a manner such that the fragmentation effect of the fragment-dispersing charge points at the object 12.
  • the rocket/explosive charge (one or more) acting as a thrown charge 4 at the bottom of the interior of the weapon is detonated, flinging the weapon 10 about one metre above the ground, where the fragment-dispersing charge 3 explodes and shatters the shots towards the object 12,
  • the weapon 10 allows exact and effective impact on the enemy at short distances.
  • the weapon can be used e.g. behind a cover 11 without exposing the user to direct enemy fire impact.
  • this weapon allows rapid and effective impact over a large range and on several objects simultaneously.
  • the keyboard 6 can be used for setting a delay at the end of which the weapon 10 is detonated when the locking device/safety 7 has been released. This provides a more versatile potential for the weapon.
  • the precision of the weapon 10 can optionally be enhanced by providing the weapon with equipment that allows laser "painting" or camera control. These systems enable the user 9 to set yet another object for the weapon after it has been thrown once. A double shell with an interposed damping material enhancing the impact resistance of the weapon.
  • the shell of the weapon can be partly dismantled to save space. Before use, the shell should be refolded in a spherical shape.
  • the outer shell of the weapon may have integrated shapes, such as short peaks or pegs, which support the weapon in its position after it has dropped to the ground, thus preventing it from rolling downhill on an uneven ground.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)

Abstract

The invention relates to a weapon/hand grenade (10) consisting of a substantially spherical shell containing a fragment-dispersing charge (3). The fragment-dispersing charge (3) and the electronics (2) of the weapon form a single unit, which is mounted onto bearings (5) within the shell and weighted so as to be allowed to rotate freely, with the fragment-dispersing charge (3) remaining always in vertical upright position under the effect of gravitation.

Description

Weapon/hand grenade
This invention relates to a weapon/hand grenade, which is formed of a substantially spherical shell containing a charge dispersing fragments in fan-shaped pattern.
In modern short-range surprise gunfights (30- 150m), the infantry commonly uses weapons such as various guns, thrown explosive charges, recoilless rifles, missiles and grenade throwers.
Guns shooting grenades, bullets or shots are the most commonly used weapons in modern short-range gunfights. However, effective use of these weapons require the lighter to expose himself to the enemy, and this can be extremely dangerous under heavy fire.
Conventional thrown explosive charges (hand grenades, satchel charges) operate only within short range, and the explosive charge is a potential danger to the user and friendly troops due to fragments flying in all directions. In addition, in order to exploit the fragmentation effect, the thrown charge ought to be thrown to a very short distance from the enemy.
For the use of recoilless rifles and missiles to be effective, the user is also required to expose himself to enemy fire with his safety thus put in danger.
Short-range use of indirect fire weapons (grenade throwers) may put friendly troops in danger as the grenades shatter fragments in all directions. Effective use of grenade throwers requires preparations, which are time-consuming and call for a well- protected position. In addition, grenade throwers and grenades are heavy to carry.
The infantry may also, as far as possible, be covered with fire support by e.g. artillery, missile batteries and aircraft, however, rapid provision of fire support is often difficult and expensive to use.
FR 2599135 Al, LACROIX E TOUS ARTIFICES, 27.11.1987 can be cited as prior art in this connection.
The weapon/hand grenade in accordance with the invention is characterised by the fragment-dispersing charge and the weapon electronics forming a single unit, which is mounted onto bearings within the shell and weighted so as to be allowed free ro- tation, with the fragment-dispersing charge remaining always in vertically upright position under the effect of gravitation.
One preferred embodiment of the invention is characterised by the electronics comprising a GPS, which automatically determines its position on a map and by means of which the direction of the object can be set by turning the impact direction of the weapon to point at the object and by pressing a lock button on the keyboard, and the weapon computer using the data provided by the GPS for computing the direction in which the fragment-dispersing charge should point, and the electric motor controlled by the computer turning the interior in such a manner that the fragmentation impact of the fragment-dispersing charge points at the object.
A second embodiment of the invention is characterised by the bottom of the interior of the weapon being provided with a rocket/explosive charge which acts as a thrown charge and goes on after a short delay, throwing the weapon about one metre above the ground, where the fragment-dispersing charge explodes and shatters the shots towards the object.
The weapon in accordance with the invention is a thrown charge carried and used by an individual infantry soldier and controlled by GPS and it is based on targetable fragmentation effect, having the purpose of use of exact and effective impact on live enemy force and lightly armoured vehicles, without the user leaving the safety position. The weapon is extremely effective in rapid surprise situations, when the battlefield cannot be chosen or there has not been sufficient time to prepare a favourable ground in view of friendly troops by means of mining and barricades, for instance. Abbreviation of the weapon: TDG ("GPS Targeted Directional Fragmentation Hand Grenade")
The invention is explained below with the aid of an example and with reference to the accompanying drawings, in which
Figure 1 illustrates the weapon in section viewed from the impact direction,
Figure 2 illustrates the weapon in section viewed from the side,
Figure 3 illustrates the user 9 of the weapon, carrying the weapon 10 and taking cover behind the wall 11 when he has discovered the object 12, the arrow indicating the impact direction of the weapon,
Figure 4, the distance to the object 14 and the direction of the object are determined in the weapon, Figure 5, the pin 7 is detached, the weapon 10 is thrown, with the impact direction of the weapon targeted in a random direction after this,
Figure 6, the GPS and the computer compute a new position of the weapon 10 and turn the impact direction towards the object 12 and
Figure 7, the weapon springs from the ground into the air and explodes while shooting the shots towards the object 12.
The weapon has a spherical shell 1, within which the electronics 2 (accumulator, computer, GPS, electric motor), the fragment-dispersing charge 3 and the thrown charge 4 form the interior, being allowed to rotate within the sphere on the bearings 5 provided between the shell and the interior. The interior has been weighted such that, when the locking has been released, the interior can rotate freely under the effect of gravitation, the fragment-dispersing charge 3 always remaining in vertically upright position, with its fragmentation effect not pointed to the ground or the sky, for instance. A grip 8 is attached to the shell.
Use of the weapon:
- the user activates the electronics of the weapon by pressing the start button on the keyboard 6, and then the GPS of the weapon automatically determines its position on the map.
- the direction of the object is set by turning the impact direction of the weapon to point at the object and by pressing the locking button on the keyboard.
- the distance to the object is set by estimating the distance to the object from the location at which the weapon is thrown and by setting it with a switch button on the keyboard. The pin 7, which locks the interior to the outer shell and connects the keyboard 6 to the computer, is detached and the weapon is thrown in the direction of the object 12. When the weapon has dropped to the ground, the GPS determines its new position on the map and the direction into which the fragment-dispersing charge 3 is pointing. Using the data provided by the GPS, the computer computes the direction into which the fragment-dispersing charge should be turned, and the electric motor controlled by the computer turns the interior in a manner such that the fragmentation effect of the fragment-dispersing charge points at the object 12. After a delay, the rocket/explosive charge (one or more) acting as a thrown charge 4 at the bottom of the interior of the weapon is detonated, flinging the weapon 10 about one metre above the ground, where the fragment-dispersing charge 3 explodes and shatters the shots towards the object 12,
Advantages of the solution in accordance with the invention
The weapon 10 allows exact and effective impact on the enemy at short distances. The weapon can be used e.g. behind a cover 11 without exposing the user to direct enemy fire impact. In addition, carried by an individual fighter, this weapon allows rapid and effective impact over a large range and on several objects simultaneously.
Possible variants and optional embodiments of the solution in accordance with the invention
The keyboard 6 can be used for setting a delay at the end of which the weapon 10 is detonated when the locking device/safety 7 has been released. This provides a more versatile potential for the weapon. The precision of the weapon 10 can optionally be enhanced by providing the weapon with equipment that allows laser "painting" or camera control. These systems enable the user 9 to set yet another object for the weapon after it has been thrown once. A double shell with an interposed damping material enhancing the impact resistance of the weapon.
The shell of the weapon can be partly dismantled to save space. Before use, the shell should be refolded in a spherical shape.
The outer shell of the weapon may have integrated shapes, such as short peaks or pegs, which support the weapon in its position after it has dropped to the ground, thus preventing it from rolling downhill on an uneven ground.

Claims

Claims
1. A weapon/hand grenade (10), consisting substantially of a spherical shell containing a fragment-dispersing charge (3), characterised in that the fragment- dispersing charge (3) and the electronics (2) of the weapon form a single unit, which is mounted onto bearings (5) within the shell and weighted so as to be allowed to rotate freely, the fragment-dispersing charge (3) always remaining in a vertically upright position under the effect of gravitation.
2. A weapon/hand grenade as defined in claim 1, characterised in that the electronics (2) comprise a GPS, which automatically determines its position on a map and by means of which the direction of the object (12) can be set by turning the impact direction of the weapon (10) to point at the object (12) and by pressing the lock button on the keyboard (6), and in that the computer of the weapon uses the data provided by the GPS to compute the direction into which the fragment-dispersing charge (3) ought to be turned, and an electric motor controlled by the computer turns the interior in a manner such that the fragmentation effect of the fragment- dispersing charge points at the object (12).
3. A hand grenade as defined in claim 1 or 2, characterised in that a rocket/explosive charge acting as a thrown charge (4) at the bottom of the weapon (10) is detonated after a short delay, flinging the weapon about one metre above the ground, where the fragment-dispersing charge (3) explodes and shatters the shots towards the object (12).
PCT/FI2016/000029 2015-12-17 2016-12-08 Weapon/hand grenade WO2017103323A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20150365 2015-12-17
FI20150365A FI126640B (en) 2015-12-17 2015-12-17 Gun / grenade

Publications (1)

Publication Number Publication Date
WO2017103323A1 true WO2017103323A1 (en) 2017-06-22

Family

ID=58663205

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/FI2016/000029 WO2017103323A1 (en) 2015-12-17 2016-12-08 Weapon/hand grenade

Country Status (2)

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FI (1) FI126640B (en)
WO (1) WO2017103323A1 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3956988A (en) * 1972-02-19 1976-05-18 Industriewerke Karisruhe-Augsburg Aktiengesellschaft Position-independent mine construction
US20050115449A1 (en) * 2001-10-12 2005-06-02 Ian Kinley Hand grenade
US20110120337A1 (en) * 2008-10-30 2011-05-26 Rafael Advanced Defense Systems Ltd. Artillery projectile with seperately controlled booster actuation and fragment dispersion

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3956988A (en) * 1972-02-19 1976-05-18 Industriewerke Karisruhe-Augsburg Aktiengesellschaft Position-independent mine construction
US20050115449A1 (en) * 2001-10-12 2005-06-02 Ian Kinley Hand grenade
US20110120337A1 (en) * 2008-10-30 2011-05-26 Rafael Advanced Defense Systems Ltd. Artillery projectile with seperately controlled booster actuation and fragment dispersion

Also Published As

Publication number Publication date
FI126640B (en) 2017-03-15
FI20150365A (en) 2017-03-15

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