US3156187A - Rifle-grenades - Google Patents

Rifle-grenades Download PDF

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Publication number
US3156187A
US3156187A US271149A US27114963A US3156187A US 3156187 A US3156187 A US 3156187A US 271149 A US271149 A US 271149A US 27114963 A US27114963 A US 27114963A US 3156187 A US3156187 A US 3156187A
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United States
Prior art keywords
cap
grenade
closure member
charge
rifle
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Expired - Lifetime
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US271149A
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Baton Boris
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Anstalt Fuer die Entwicklung von Erfindungen und Gewerblichen Anwendungen ENERGA
Original Assignee
Anstalt Fuer die Entwicklung von Erfindungen und Gewerblichen Anwendungen ENERGA
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Publication of US3156187A publication Critical patent/US3156187A/en
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    • 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
    • F42B12/40—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 of target-marking, i.e. impact-indicating type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B8/00—Practice or training ammunition
    • F42B8/12—Projectiles or missiles
    • F42B8/18—Rifle grenades

Definitions

  • recoverable training grenades in which at least the front part is made of an elastic material, for example rubber, adapted to resume its initial shape after hitting a resistant target, but these grenades may, in some cases, rebound from the target in the direction of the firer, which is hazardous especially when training is being carried out in close-range firing.
  • an elastic material for example rubber
  • grenades of this type should comprise a marking charge capable of exactly situating the point of impact on the target with a view to enabling the marksman to correct his aim if necessary.
  • a rifle-grenade for training purposes which comprises a substantially hollow cap of weak strength, a solid body, a finned tail and a marking charge housed inside the cap, the marking charge being supported over the entire front part of the body in such a manner that, upon impact of the grenade against a target, the marking charge forms a shock-arsorbing cushion protecting the body of the grenade and preventing the grenade from rebounding.
  • At least part of the cap may be transparent, thereby enabling the color of the marking charge to be seen.
  • a complete cap is conveniently made of a heat-hardenable or thermoplastic transparent material. It is thus possible to prepare a set of grenades, the respective marking charges of each grenade being of a different color, thereby enabling each hit to be recorded individually during group training.
  • the cap preferably has at its base an obturator or closure member which is welded or secured to its inner face so that the cap constitutes a complete self-contained unit which does not require a sealed container for the marking charge. Moreover the cap may be detachably secured to the body. It is thus possible for the caps to be transported separately from the remainder of the grenades, which remainder can be used a number of times with fresh caps.
  • the front part of the body is provided in the region of its maximum diameter with a bearing surface on which a cap can be fitted.
  • the grenade comprises a massive recoverable solid body 1 made of a resilient material such as rubber and having a forward and rearward end portions.
  • This body 1 has at its forward end portion a bearing surface 2 on which is fitted and supported a hollow generally cupshaped frangible cap 3, the body has at its rearward end portion a bore forming a substantially cylindrical axial housing in which is fitted a finned tail assembly 4.
  • the cap 3 is removable from the body and is made of a transparent synthetic material, such as cellulose acetate, polyethylene, or nylon.
  • the cap contains a marking 3,156,187 Patented Nov. 10, 1964 charge 5 and is closed by an obturator or closure member 6 welded or stuck to its inner face.
  • the cap is of generally conical shape and is formed to provide at its open end a cylindrical annular clamping ring 3a which engages with a tight fit on the bearing surface 2 of the body 1.
  • the marking charge 5 may consist of a colored powder, such as talc, powdered chalk, or plaster, or a colored paste or liquid material. The marking charge can be seen through the wall of the cap, so that the color of it can be distinguished.
  • the finned tail assembly 4 is made of metal and has a solid part 4a and a hollow part 4b.
  • the end of the solid part 4a which penetrates into the axial housing of the body has grooves 7 which are formed, for example, by milling, and which ensure that the tail assembly 4 is firmly held in the axial housing.
  • the hollow part 4b is intended to fit over the sleeve (not shown) of a launching weapon.
  • Fins 8 are detachably fixed to the tail assembly 4 by means of annular springs 9. These fins may be of metal or of some tough plastics material such as nylon.
  • at least one groove 10 is formed along the wall of the housing and opens to the outside.
  • the cap 3 When the grenade has been fired and hits a target the cap 3 is initially deformed, thereby bringing the marking charge into contact with the flat front part of the body 1 on which the cap is supported, after which deformation the cap is crushed.
  • the marking charge forms a shock-absorbing cushion which protects the recoverable body 1, and prevents the grenade from rebounding in the direction of the firer.
  • the tail 4 is sufiiciently solid to withstand the shock of impact, although its fins 8, which are more fragile, may sometimes suffer damage.
  • the fins 8 can easily be replaced, since it is necessary only to remove the two annular springs 9 to free the fins and secure new fins.
  • a rifle grenade for training purposes comprising in combination a substantially solid body having forward and rearward end portions formed of resilient material such as rubber and the like, said body defining a bore at the rearward end portion, a tail assembly received within said bore, a hollow generally cup-shaped frangible cap having an end thereof connected to the forward end portion of said body, a pulverulent inert marking charge inside said cap, a closure member in said cap adjacent to the end thereof which is connected to said body, said closure member retaining said charge inside of said cap, said solid body having a continuous surface adjacent said closure member, said frangible cap being adapted to break upon impact with an object such that said cap and said pulverulent inert marking charge constitute a shock-absorbing cushion for reducing the kinetic energy of said grenade.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)

Description

Nov. 10, 1964 B. BATOU- 3,156,187
RIFLE-GRENADES Filed April 8, 1965 United States Patent 3,156,187 RHLE-GRENADES Boris Baton, Geneva, Switzerland, assignor to Anstalt fur die Entwieklnng von Erfindungen and gewerhlichen Anwendungen Energa, Vaduz, Liechtenstein Fiied Apr. 8, 1963, Ser. No. 271,149 Claims priority, appiication Switzerland, Apr. 16, 1962, 4,667/62 2 (Ilaims. (Cl. 102-41) The present invention relates to a rifle-grenade for training purposes. It has already been proposed to construct recoverable training grenades in which at least the front part is made of an elastic material, for example rubber, adapted to resume its initial shape after hitting a resistant target, but these grenades may, in some cases, rebound from the target in the direction of the firer, which is hazardous especially when training is being carried out in close-range firing.
Also, it is desirable that grenades of this type should comprise a marking charge capable of exactly situating the point of impact on the target with a view to enabling the marksman to correct his aim if necessary.
According to the present invention there is provided a rifle-grenade for training purposes which comprises a substantially hollow cap of weak strength, a solid body, a finned tail and a marking charge housed inside the cap, the marking charge being supported over the entire front part of the body in such a manner that, upon impact of the grenade against a target, the marking charge forms a shock-arsorbing cushion protecting the body of the grenade and preventing the grenade from rebounding.
According to a further feature of the invention at least part of the cap may be transparent, thereby enabling the color of the marking charge to be seen. A complete cap is conveniently made of a heat-hardenable or thermoplastic transparent material. It is thus possible to prepare a set of grenades, the respective marking charges of each grenade being of a different color, thereby enabling each hit to be recorded individually during group training.
The cap preferably has at its base an obturator or closure member which is welded or secured to its inner face so that the cap constitutes a complete self-contained unit which does not require a sealed container for the marking charge. Moreover the cap may be detachably secured to the body. It is thus possible for the caps to be transported separately from the remainder of the grenades, which remainder can be used a number of times with fresh caps.
In one form of grenade constructed in accordance with the invention the front part of the body is provided in the region of its maximum diameter with a bearing surface on which a cap can be fitted.
Other advantages and special features of the invention will be apparent from the description which follows. In the accompanying drawing, which is given solely by way of example, there is shown partly broken away a section of a grenade constructed in accordance with the invention.
The grenade comprises a massive recoverable solid body 1 made of a resilient material such as rubber and having a forward and rearward end portions. This body 1 has at its forward end portion a bearing surface 2 on which is fitted and supported a hollow generally cupshaped frangible cap 3, the body has at its rearward end portion a bore forming a substantially cylindrical axial housing in which is fitted a finned tail assembly 4.
The cap 3 is removable from the body and is made of a transparent synthetic material, such as cellulose acetate, polyethylene, or nylon. The cap contains a marking 3,156,187 Patented Nov. 10, 1964 charge 5 and is closed by an obturator or closure member 6 welded or stuck to its inner face. The cap is of generally conical shape and is formed to provide at its open end a cylindrical annular clamping ring 3a which engages with a tight fit on the bearing surface 2 of the body 1. The marking charge 5 may consist of a colored powder, such as talc, powdered chalk, or plaster, or a colored paste or liquid material. The marking charge can be seen through the wall of the cap, so that the color of it can be distinguished.
The finned tail assembly 4 is made of metal and has a solid part 4a and a hollow part 4b. The end of the solid part 4a which penetrates into the axial housing of the body has grooves 7 which are formed, for example, by milling, and which ensure that the tail assembly 4 is firmly held in the axial housing. The hollow part 4b is intended to fit over the sleeve (not shown) of a launching weapon. Fins 8 are detachably fixed to the tail assembly 4 by means of annular springs 9. These fins may be of metal or of some tough plastics material such as nylon. For the purpose of evacuating the air from the axial housing when fitting in the tail assembly 4, at least one groove 10 is formed along the wall of the housing and opens to the outside.
When the grenade has been fired and hits a target the cap 3 is initially deformed, thereby bringing the marking charge into contact with the flat front part of the body 1 on which the cap is supported, after which deformation the cap is crushed. Thus the marking charge forms a shock-absorbing cushion which protects the recoverable body 1, and prevents the grenade from rebounding in the direction of the firer.
To reuse the grenade, it is merely necessary to replace the crushed cap by a new cap. The tail 4 is sufiiciently solid to withstand the shock of impact, although its fins 8, which are more fragile, may sometimes suffer damage. However, the fins 8 can easily be replaced, since it is necessary only to remove the two annular springs 9 to free the fins and secure new fins.
What I claim is:
1. A rifle grenade for training purposes, said grenade comprising in combination a substantially solid body having forward and rearward end portions formed of resilient material such as rubber and the like, said body defining a bore at the rearward end portion, a tail assembly received within said bore, a hollow generally cup-shaped frangible cap having an end thereof connected to the forward end portion of said body, a pulverulent inert marking charge inside said cap, a closure member in said cap adjacent to the end thereof which is connected to said body, said closure member retaining said charge inside of said cap, said solid body having a continuous surface adjacent said closure member, said frangible cap being adapted to break upon impact with an object such that said cap and said pulverulent inert marking charge constitute a shock-absorbing cushion for reducing the kinetic energy of said grenade.
2. A rifle grenade as defined in claim '1 wherein said frangible cap is formed of a transparent material.
References Cited by the Examiner UNITED STATES PATENTS 2,246,429 6/41 Brandt 1021 3,085,509 4/63 Brandt 10241 FOREIGN PATENTS 89,898 10/60 Denmark. 1,039,410 9/58 Germany.
SAMUEL FEINBERG, Primary Examiner.

Claims (1)

1. A RIFLE GRENADE FOR TRAINING PURPOSES, SAID GRENADE COMPRISING IN COMBINATION A SUBSTANTIALLY SOLID BODY HAVING FORWARD AND REARWARD END PORTIONS FORMED OF RESILIENT MATERIAL SUCH AS RUBBER AND THE LIKE, SAID BODY DEFINING A BORE AT THE REARWARD END PORTION, A TAIL ASSEMBLY RECEIVED WITHIN SAID BORE, A HOLLOW GENERALLY CUP-SHAPED FRANGIBLE CAP HAVING AN END THEREOF CONNECTED TO THE FORWARD END PORTION OF SAID BODY, A PULVERULENT INERT MARKING CHARGE INSIDE CAP, A CLOSURE MEMBER IN SAID CAP ADJACENT TO THE END THEREOF WHICH IS CONNECTED TO SAID BODY, SAID CLOSURE MEMBER RETAINING SAID CHARGE INSIDE OF SAID CAP, SAID SOLID BODY HAVING A CONTINUOUS SURFACE ADJACENT SAID CLOSURE MEMBER, SAID FRANGIBLE CAP BEING ADAPTED TO BREAK UPON IMPACT WITH AN OBJECT SUCH THAT SAID CAP AND SAID PULVERULENT INERT MARKING CHARGE CONSTITUTE A SHOCK-ABSORBING CUSHION FOR REDUCING THE KINETIC ENERGY OF SAID GRENADE.
US271149A 1962-04-16 1963-04-08 Rifle-grenades Expired - Lifetime US3156187A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH466762A CH381565A (en) 1962-04-16 1962-04-16 Practice rifle grenade

Publications (1)

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US3156187A true US3156187A (en) 1964-11-10

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US271149A Expired - Lifetime US3156187A (en) 1962-04-16 1963-04-08 Rifle-grenades

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US (1) US3156187A (en)
AT (1) AT243650B (en)
BE (1) BE630044A (en)
CH (1) CH381565A (en)
DE (1) DE1186365B (en)
DK (1) DK105320C (en)
FI (1) FI41626C (en)
FR (1) FR1351936A (en)
GB (1) GB975867A (en)
LU (1) LU43410A1 (en)
NL (1) NL291072A (en)

Cited By (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3649020A (en) * 1969-02-11 1972-03-14 Ronald Gibson Hall Air-gun projectiles
US3650213A (en) * 1969-06-19 1972-03-21 Aai Corp Frangible filled-projectile ammunition
US3732821A (en) * 1971-05-25 1973-05-15 Us Army Nose ogive for nonlethal projectile
US3776137A (en) * 1971-09-24 1973-12-04 Aai Corp Projectile and cartridge arrangement
US3865038A (en) * 1973-07-13 1975-02-11 Irwin R Barr Deterrent ammunition projectile
US3894492A (en) * 1973-07-12 1975-07-15 Aai Corp Deterrent ammunition
US3911824A (en) * 1973-07-13 1975-10-14 Aai Corp Deterrent ammunition projectile
US4128059A (en) * 1977-07-20 1978-12-05 The United States Of America As Represented By The Secretary Of The Army Color-disseminating projectile for training cartridge
US4684137A (en) * 1985-09-06 1987-08-04 Armer Jr Leon N Simulated war game weapon
US4690061A (en) * 1985-11-21 1987-09-01 Armer Jr Leon N Land mine for use in a simulated war game
FR2658599A1 (en) * 1990-02-21 1991-08-23 Luchaire Defense Sa RIFLE EXERCISE GRENADE FOR RIFLE AND INSTRUCTION SYSTEM FOR SHOOTING RIFLES.
US5257936A (en) * 1990-02-21 1993-11-02 Luchaire Defense S.A. Rifle-firable training grenade and rifle-grenade firing instruction system
US5450795A (en) * 1993-08-19 1995-09-19 Adelman Associates Projectile for small firearms
EP0711972A1 (en) * 1994-11-11 1996-05-15 Mauser-Werke Oberndorf Waffensysteme GmbH Training projectile for gun barrel
EP0716285A1 (en) * 1994-11-11 1996-06-12 Mauser-Werke Oberndorf Waffensysteme GmbH Training projectile for gun barrel
US6523478B1 (en) * 2001-09-10 2003-02-25 The United States Of America As Represented By The Secretary Of The Army Rifle-launched non-lethal cargo dispenser
US6837713B1 (en) * 2003-09-09 2005-01-04 Kayne K. Kough Dummy practice grenade
US20060254453A1 (en) * 2005-05-11 2006-11-16 Jose E. Leal Reusable marker projectile
US20070213514A1 (en) * 2004-05-19 2007-09-13 Basf Aktiengesellschaft Method for producing liquid adjustments of basic azo dyes
US20090266262A1 (en) * 2003-02-10 2009-10-29 Pepperball Technologies, Inc. Stabilized non-lethal projectile systems
US7752974B2 (en) 2007-09-18 2010-07-13 Pepperball Technologies, Inc. Systems, methods and apparatus for use in distributing irritant powder
US8196513B1 (en) * 2009-12-04 2012-06-12 The United States Of America As Represented By The Secretary Of The Navy Stand-off disrupter apparatus
US11473888B2 (en) * 2020-08-25 2022-10-18 General Dynamics OTS—Canada Inc. Spotter ammunition projectile and method for making the same

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT374583B (en) * 1982-08-03 1984-05-10 Oregon Ets Patentverwertung HOUSING OF A BULLET TO BE SHOWN FROM A TUBE
DE3318201A1 (en) * 1983-05-19 1984-11-29 Heide, Marion, 4030 Ratingen Training head for a rocket projectile
GB8927349D0 (en) * 1989-12-04 1990-05-30 Smith John L C Minefield breaching system
US6408765B1 (en) * 1999-03-02 2002-06-25 State Of Israel-Ministry Of Defense Armament Development Authority-Rafael Door breaching device with safety adapter
DE19925404C2 (en) * 1999-06-02 2003-09-18 Nico Pyrotechnik blank ammunition
DE102004017466A1 (en) * 2004-04-08 2005-11-03 Nico-Pyrotechnik Hanns-Jürgen Diederichs GmbH & Co. KG Projectile with marking of the impact point
FR2921474A1 (en) * 2007-09-21 2009-03-27 David Delhaye MARKING PAINT BALL AND METHOD OF MANUFACTURING THE SAME

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2246429A (en) * 1936-03-30 1941-06-17 Sageb Sa Projectile
DE1039410B (en) * 1955-11-29 1958-09-18 Bo Sca Ri Bonifacica Mine Scar Two-part practice head made of synthetic resin molding compound for anti-tank projectiles
US3085509A (en) * 1960-01-15 1963-04-16 Energa Practice grenade

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB460842A (en) * 1935-05-04 1937-02-04 Latham Valentine Stewart Black Improvements in and relating to projectiles
GB779728A (en) * 1955-11-29 1957-07-24 Francesco Salvini Dummy warhead for shells and the like, made of pressed plastic material

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2246429A (en) * 1936-03-30 1941-06-17 Sageb Sa Projectile
DE1039410B (en) * 1955-11-29 1958-09-18 Bo Sca Ri Bonifacica Mine Scar Two-part practice head made of synthetic resin molding compound for anti-tank projectiles
US3085509A (en) * 1960-01-15 1963-04-16 Energa Practice grenade

Cited By (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3649020A (en) * 1969-02-11 1972-03-14 Ronald Gibson Hall Air-gun projectiles
US3650213A (en) * 1969-06-19 1972-03-21 Aai Corp Frangible filled-projectile ammunition
US3732821A (en) * 1971-05-25 1973-05-15 Us Army Nose ogive for nonlethal projectile
US3776137A (en) * 1971-09-24 1973-12-04 Aai Corp Projectile and cartridge arrangement
US3894492A (en) * 1973-07-12 1975-07-15 Aai Corp Deterrent ammunition
US3865038A (en) * 1973-07-13 1975-02-11 Irwin R Barr Deterrent ammunition projectile
US3911824A (en) * 1973-07-13 1975-10-14 Aai Corp Deterrent ammunition projectile
US4128059A (en) * 1977-07-20 1978-12-05 The United States Of America As Represented By The Secretary Of The Army Color-disseminating projectile for training cartridge
US4684137A (en) * 1985-09-06 1987-08-04 Armer Jr Leon N Simulated war game weapon
US4690061A (en) * 1985-11-21 1987-09-01 Armer Jr Leon N Land mine for use in a simulated war game
US5257936A (en) * 1990-02-21 1993-11-02 Luchaire Defense S.A. Rifle-firable training grenade and rifle-grenade firing instruction system
EP0448422A1 (en) * 1990-02-21 1991-09-25 Luchaire Defense S.A. Rifle grenade for practice and instruction system for launching rifle grenades
FR2658599A1 (en) * 1990-02-21 1991-08-23 Luchaire Defense Sa RIFLE EXERCISE GRENADE FOR RIFLE AND INSTRUCTION SYSTEM FOR SHOOTING RIFLES.
US5450795A (en) * 1993-08-19 1995-09-19 Adelman Associates Projectile for small firearms
EP0711972A1 (en) * 1994-11-11 1996-05-15 Mauser-Werke Oberndorf Waffensysteme GmbH Training projectile for gun barrel
EP0716285A1 (en) * 1994-11-11 1996-06-12 Mauser-Werke Oberndorf Waffensysteme GmbH Training projectile for gun barrel
US6523478B1 (en) * 2001-09-10 2003-02-25 The United States Of America As Represented By The Secretary Of The Army Rifle-launched non-lethal cargo dispenser
US20090266262A1 (en) * 2003-02-10 2009-10-29 Pepperball Technologies, Inc. Stabilized non-lethal projectile systems
US6837713B1 (en) * 2003-09-09 2005-01-04 Kayne K. Kough Dummy practice grenade
US20070213514A1 (en) * 2004-05-19 2007-09-13 Basf Aktiengesellschaft Method for producing liquid adjustments of basic azo dyes
US20060254453A1 (en) * 2005-05-11 2006-11-16 Jose E. Leal Reusable marker projectile
US7752974B2 (en) 2007-09-18 2010-07-13 Pepperball Technologies, Inc. Systems, methods and apparatus for use in distributing irritant powder
US8196513B1 (en) * 2009-12-04 2012-06-12 The United States Of America As Represented By The Secretary Of The Navy Stand-off disrupter apparatus
US11473888B2 (en) * 2020-08-25 2022-10-18 General Dynamics OTS—Canada Inc. Spotter ammunition projectile and method for making the same

Also Published As

Publication number Publication date
DK105320C (en) 1966-09-12
FI41626B (en) 1969-09-01
NL291072A (en)
LU43410A1 (en) 1963-05-24
DE1186365B (en) 1965-01-28
FR1351936A (en) 1964-02-07
AT243650B (en) 1965-11-25
CH381565A (en) 1964-08-31
FI41626C (en) 1969-12-10
BE630044A (en)
GB975867A (en) 1964-11-18

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