EP0310160A1 - Antifahrzeug-Granate - Google Patents

Antifahrzeug-Granate Download PDF

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Publication number
EP0310160A1
EP0310160A1 EP88201961A EP88201961A EP0310160A1 EP 0310160 A1 EP0310160 A1 EP 0310160A1 EP 88201961 A EP88201961 A EP 88201961A EP 88201961 A EP88201961 A EP 88201961A EP 0310160 A1 EP0310160 A1 EP 0310160A1
Authority
EP
European Patent Office
Prior art keywords
washer
grooves
vehicle
grenade according
grenade
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.)
Granted
Application number
EP88201961A
Other languages
English (en)
French (fr)
Other versions
EP0310160B1 (de
Inventor
André Gabriels
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Cessione fabrique Nationale Nouvelle Herstal
Original Assignee
FN Herstal SA
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 FN Herstal SA filed Critical FN Herstal SA
Publication of EP0310160A1 publication Critical patent/EP0310160A1/de
Application granted granted Critical
Publication of EP0310160B1 publication Critical patent/EP0310160B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42C—AMMUNITION FUZES; ARMING OR SAFETY MEANS THEREFOR
    • F42C19/00—Details of fuzes
    • F42C19/08—Primers; Detonators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42C—AMMUNITION FUZES; ARMING OR SAFETY MEANS THEREFOR
    • F42C19/00—Details of fuzes
    • F42C19/08—Primers; Detonators
    • F42C19/0838—Primers or igniters for the initiation or the explosive charge in a warhead
    • F42C19/0846—Arrangements of a multiplicity of primers or detonators, dispersed within a warhead, for increased efficiency

Definitions

  • the invention relates to an anti-vehicle grenade, in particular with a hollow charge, intended to be launched using a rifle and equipped with a bullet pass.
  • This grenade can be of the telescopic type or not.
  • the grenades of the above type represent a bore passing through the grenade from one end to the other allowing the passage of the bullet.
  • the object of the present invention is therefore to produce a hollow charge grenade intended to be launched using a rifle and allowing symmetrical ignition of the hollow charge from an eccentric percussion point.
  • a grenade according to the invention of the type comprising a head extended by a tubular tail and whose head as well as the tail are crossed by an axial bore is characterized in that between the safety device, respectively the detonator disposed in 'asymmetrically with respect to the AA axis of the grenade, and the hollow charge of the grenade are mounted means for transferring the shock wave caused by the detonator in order to obtain a symmetrical ignition with respect to the axis of said shaped charge.
  • FIG. 1 represents a grenade according to the invention constituted essentially by a head 1 comprising a hollow charge 2, a safety device 3 comprising the detonator 4 and a device with percussion point 5, the grenade being traversed by an axial bore 6, extended by a second axial bore 7 provided in the tail 8 of the grenade.
  • the grenade comprises according to the invention, between the safety device 3, more particularly the detonator 4 and the hollow charge proper 2, a device 10 for the transfer of the wave of shock coming from the ignition of the detonator 4 towards the hollow charge 2, for example a washer 10.
  • a device 10 for the transfer of the wave of shock coming from the ignition of the detonator 4 towards the hollow charge for example a washer 10.
  • the transfer washer 10 is produced in such a way that it has four transfer points, respectively 11, 12, 13 and 14, arranged concentrically and at equal angles. relative to the longitudinal axis AA of the grenade.
  • the washer 10 has grooves filled with an explosive material 15.
  • a first groove 16 is produced on an arc of a circle of 180 degrees and the middle part 17 of which is located opposite the said percussion point and the detonator 4.
  • This groove 16 is at each free end extended by aligned grooves 18-19 directed towards each other.
  • Each groove 18-19 ends in a groove respectively 20-21 situated concentrically with respect to the groove 16 and extending over 90 degrees, more especially still over twice 45 degrees on either side of the grooves 18-19.
  • Each free end of these two grooves 20 and 21 is extended by radial grooves, respectively 22, 23, 24 and 25 directed towards the axis AA of the grenade, each of these grooves 22 to 25 being in relation to one of the holes 26 , 27, 28 and 29 constituting said transfer or ignition points 11 to 14.
  • said washer is in this case provided with a notch 30 capable of cooperating with an internally projecting part 31 of the body of the grenade. It goes without saying that the lengths of the constituent parts of the above-mentioned grooves must be perfectly identical and of equal length in order to obtain a symmetrical ignition ie an ignition of the shaped charge 2 at the same time in the four points 11 to 14.
  • the washer 10, more particularly the mutual distance of the grooves and the depth of these grooves relative to the thickness of the washer 10 are made in such a way. so that short circuits are avoided between on the one hand, the neighboring grooves 16, 20 and 21 and on the other hand, between the explosive material 15 and the shaped charge 2 at the locations of the grooves.
  • the shock wave thus produced is transferred to the material 15 contained in the groove 16 of the washer 10.
  • the shock wave thus moves both towards the grooves 18-19, then towards the grooves 20-21 and then towards the grooves 22 to 25 to reach, by the explosive material contained in the passages 26 to 29, the hollow charge 2, possibly via a conventional relay.
  • the ignition of the hollow charge 2 is thus carried out in a symmetrical manner, in particular at the same time in the four points 11 to 14 situated at equal angles to one another.
  • the washer 10 has been split by a second washer 32, produced in such a way that the shock waves coming from the four points 11 to 14 are transferred to explosive materials 33 engaged in circular grooves, respectively 34, 35, 36 and 37, provided in the washer 32.
  • Said grooves 34 to 37 are each, at each free end, extended by radial grooves, respectively 38-39, 40-41, 42-43 and 44-45, directed outwards.
  • the free ends of the grooves 38 to 45 are each in relation to holes 46 to 53 in order to thus obtain a multiplication of the ignition points 54 to 61. It goes without saying that a better symmetrical distribution of the points is thus obtained ignition relative to the shaped charge 2.
  • Said second washer also has a positioning groove 62.
  • the operation of the grenade equipped with washers 10 and 32 is similar to that described above.
  • the shock waves from points 11 to 14 are transferred to the explosive material 33 contained in the grooves 34 to 37.
  • the shock waves travel both to the grooves 38 to 45 and then to the explosive material contained. in passages 46 to 53 in order to be transferred at the same time, at eight points, to the shaped charge 2.
  • the dimensions of the different grooves are always determined in such a way that the waves of shock are transmitted simultaneously in the eight points 54 to 61 to the shaped charge.
  • a third washer 63 represents, opposite each ignition point 54 to 61, a groove, respectively 64 to 71, concentric with the axis A-A of the grenade and extending over 22 degrees 30 minutes. These grooves are filled with an explosive material 72. Each free end of these grooves is in relation to holes 73 to 88, provided in the washer 63, in order to obtain in this case sixteen ignition points, respectively 89 to 104.
  • This washer 63 is provided with a positioning notch 105 cooperating with said projection 31 of the grenade.
  • shock waves from points 54 to 61 are transferred to the explosive material 72 contained in the grooves 64 to 71 of the washer 63. These waves move through passages 73 to 88 in order to be transferred, at sixteen points, to the hollow charge 2.
  • the distances to be traveled by the shock wave in the different grooves of a washer 10, 32, 63 from the starting point of the shock wave to the respective ignition points 11 to 14, 54 to 61 and 89 to 104 are strictly equal in order to obtain in all circumstances an ignition simultaneously in all the ignition points.
  • FIG. 13 Another embodiment variant according to the invention is illustrated in FIG. 13.
  • three washers 106, 107 and 108 are applied in the same way as in the previous examples, alone or in combination.
  • Each washer is preceded by a ring 109, 110 and 111 made of explosive material.
  • the washers 106 to 108 form, so to speak, barriers for the shock waves and are provided, in order to transfer the shock waves in a symmetrical and angularly equidistant manner, with passages 112-113, 114 to 117 and 118 to 125 respectively to the hollow charge 2.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Air Bags (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
EP88201961A 1987-09-30 1988-09-08 Antifahrzeug-Granate Expired - Lifetime EP0310160B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
BE8701106 1987-09-30
BE8701106A BE1000944A3 (fr) 1987-09-30 1987-09-30 Grenade anti-char.

Publications (2)

Publication Number Publication Date
EP0310160A1 true EP0310160A1 (de) 1989-04-05
EP0310160B1 EP0310160B1 (de) 1992-04-22

Family

ID=3882890

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88201961A Expired - Lifetime EP0310160B1 (de) 1987-09-30 1988-09-08 Antifahrzeug-Granate

Country Status (9)

Country Link
US (1) US4920886A (de)
EP (1) EP0310160B1 (de)
KR (1) KR960006134B1 (de)
CN (1) CN1019524B (de)
AU (1) AU603931B2 (de)
BE (1) BE1000944A3 (de)
DE (2) DE310160T1 (de)
GR (2) GR890300161T1 (de)
SG (1) SG95192G (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2735567B1 (fr) * 1995-06-13 1997-07-25 Tda Armements Sas Tete militaire, notamment a charge generatrice de noyau
US6408765B1 (en) * 1999-03-02 2002-06-25 State Of Israel-Ministry Of Defense Armament Development Authority-Rafael Door breaching device with safety adapter

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3170402A (en) * 1956-10-16 1965-02-23 Harold S Morton Equal length detonating cords for warhead detonation
US3311055A (en) * 1965-04-23 1967-03-28 Jr Richard H Stresau Toroidal booster with cylindrically symmetrical output
US3561361A (en) * 1950-04-18 1971-02-09 Us Army Detonation system for shaped charges
US4145972A (en) * 1976-12-17 1979-03-27 The United States Of America As Represented By The Secretary Of The Navy Dual-mode warhead initiation system
EP0030051A1 (de) * 1979-11-30 1981-06-10 FABRIQUE NATIONALE HERSTAL en abrégé FN Société Anonyme Gewehrgranate

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2772635A (en) * 1952-09-15 1956-12-04 Belge De Mecanique Et D Armeme Rifle grenade
US3111055A (en) * 1959-07-06 1963-11-19 H G Weber And Company Inc Notch cutting unit
US3855933A (en) * 1967-05-11 1974-12-24 Us Army Dual purpose grenade
US4282814A (en) * 1974-12-20 1981-08-11 The United States Of America As Represented By The Secretary Of The Navy Dual-end warhead initiation system
FR2498313A2 (fr) * 1977-11-24 1982-07-23 Serat Perfectionnements apportes aux charges creuses
US4230042A (en) * 1978-07-26 1980-10-28 Dragolyoub Popovitch Point-detonating impact fuze
US4579059A (en) * 1984-03-27 1986-04-01 Abraham Flatau Tubular projectile having an explosive material therein
DE3625967A1 (de) * 1986-07-31 1988-02-11 Diehl Gmbh & Co Zuender fuer eine projektilbildende ladung
US4771696A (en) * 1987-05-18 1988-09-20 John Smolnik Base closure for thinwall carrier projectile

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3561361A (en) * 1950-04-18 1971-02-09 Us Army Detonation system for shaped charges
US3170402A (en) * 1956-10-16 1965-02-23 Harold S Morton Equal length detonating cords for warhead detonation
US3311055A (en) * 1965-04-23 1967-03-28 Jr Richard H Stresau Toroidal booster with cylindrically symmetrical output
US4145972A (en) * 1976-12-17 1979-03-27 The United States Of America As Represented By The Secretary Of The Navy Dual-mode warhead initiation system
EP0030051A1 (de) * 1979-11-30 1981-06-10 FABRIQUE NATIONALE HERSTAL en abrégé FN Société Anonyme Gewehrgranate

Also Published As

Publication number Publication date
BE1000944A3 (fr) 1989-05-23
AU2298388A (en) 1989-04-06
EP0310160B1 (de) 1992-04-22
DE310160T1 (de) 1989-10-26
DE3870382D1 (de) 1992-05-27
GR890300161T1 (en) 1990-05-11
SG95192G (en) 1992-12-04
AU603931B2 (en) 1990-11-29
KR890005488A (ko) 1989-05-15
GR3004445T3 (de) 1993-03-31
KR960006134B1 (ko) 1996-05-09
US4920886A (en) 1990-05-01
CN1019524B (zh) 1992-12-16
CN1032585A (zh) 1989-04-26

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