EP0499500A1 - Behälter, vorgesehen mit elektrischen Verbindungsmitteln - Google Patents

Behälter, vorgesehen mit elektrischen Verbindungsmitteln Download PDF

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Publication number
EP0499500A1
EP0499500A1 EP92400170A EP92400170A EP0499500A1 EP 0499500 A1 EP0499500 A1 EP 0499500A1 EP 92400170 A EP92400170 A EP 92400170A EP 92400170 A EP92400170 A EP 92400170A EP 0499500 A1 EP0499500 A1 EP 0499500A1
Authority
EP
European Patent Office
Prior art keywords
container
conduction
intended
container according
conductive
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
EP92400170A
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English (en)
French (fr)
Other versions
EP0499500B1 (de
Inventor
Bernard Brion
Nicolas Eches
Michel Brule
René Laurensou
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.)
Giat Industries SA
Original Assignee
Giat Industries 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 Giat Industries SA filed Critical Giat Industries SA
Publication of EP0499500A1 publication Critical patent/EP0499500A1/de
Application granted granted Critical
Publication of EP0499500B1 publication Critical patent/EP0499500B1/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
    • 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
    • F42B5/18—Caseless ammunition; Cartridges having combustible cases
    • F42B5/181—Caseless ammunition; Cartridges having combustible cases consisting of a combustible casing wall and a metal base; Connectors therefor
    • 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
    • F42B5/08—Cartridges, i.e. cases with charge and missile modified for electric ignition
    • 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
    • F42B5/38—Separately-loaded propellant charges, e.g. cartridge bags

Definitions

  • the field of the present invention is that of containers capable of receiving a propellant charge and more particularly that of containers used in the field of large caliber or tank artillery.
  • Modular cylindrical containers which have been made of combustible material have already been defined (see for example patent WO8601584). Thanks to their rigidity, such containers are easier to use than traditional powder sachets.
  • the containers or ammunition in two parts according to the state of the art are made of combustible materials and most of the time insulating.
  • Patent WO8601584 proposes to produce a container made of combustible material and comprising an axial channel which is delimited by annular tablets of an ignition composition.
  • the axial channel acts as an igniter tube for complete loading.
  • a single igniter at one end of the channel ensures instant ignition of all of the annular tablets.
  • the igniter can no longer ensure instant ignition of the entire load.
  • the subject of the invention is a container comprising an envelope delimiting an internal volume, in which a propellant charge may be put in place, and intended to be made integral with a second container at one of its front faces , container characterized in that it comprises means for conduction of electricity, intended to receive and transmit a signal coming from a weapon, as well as connection means making it possible to ensure, after joining with the second container, an electrical connection between these conduction means and other conduction means carried by the second container.
  • the conduction means may comprise a conductor integral with the envelope of the container.
  • the conduction means may comprise a conductor integral with this flame transmission device.
  • the conductor may consist of at least one metal track
  • the conduction means may comprise metallization of the internal wall of the envelope of the container.
  • the conduction means may include metallization of the wall of the flame transmission device.
  • the electrical connection means may include a conductive surface integral with the front face.
  • the conduction means may comprise an at least equally conductive part of the lateral surface of the cover.
  • the electrical connection means may also include a ring also intended to provide mechanical connection with the second container.
  • the container according to the invention constitutes a basic container for a propellant charge in two bundles and comprising a base carrying an igniter
  • this basic container can carry a constriction intended to be covered at least partially by the connecting ring and the electrical connection means may include a conductive zone disposed at the part of the neck which is intended to be covered by the ring.
  • this projectile-carrying container can carry a constriction intended to be covered at least partially by the connecting ring and the electrical connection means can include a conductive area disposed at the portion of the neck intended to be covered by the ring.
  • the conductive zone disposed at the level of the constriction may consist of at least one conductive jumper pinched between the envelope of the container and a closing cover.
  • the container according to the invention intended for a propellant charge in at least two loads can comprise an igniter with electrical initiation and the means of conduction and electrical connection can connect this igniter to a second igniter carried by the second container, these means of conduction and connection being intended to ensure the simultaneous ignition of the two igniters.
  • Figure 1 shows in half-section ammunition consisting of two containers according to the invention intended to be assembled to one another.
  • Figure 2 is a section of the previous one along the plane A-A.
  • Figure 3 is a schematic representation of an igniter modified to be able to be adapted in a container according to the invention.
  • Figures 4 and 5 show the single envelope of a container according to a particular embodiment of the invention, Figure 5 being the half-section of the previous along the plane BB, and Figure 4 the section of Figure 5 according to the CC plan.
  • FIGS 6, 7 and 8 are partial representations of different embodiments of containers according to the invention.
  • an ammunition for armored vehicles comprises a load which comprises two containers 1a, 1b.
  • a basic container carries a base 2, most often metallic, and an igniter 3a with electrical initiation secured to the base.
  • the envelope 9a of this first container is made of combustible material such as nitrocellulose or else cardboard, it is made integral with the base 2 by means of a fixing washer 8 (but any other means of attachment could be envisaged) , and it is closed at its other end by a cover 11a also made of combustible material.
  • the envelope also has at its end opposite the base a constriction 22a on which comes a ring 12 whose function will be explained later.
  • a projectile container 1b also includes an envelope 9b made of combustible material.
  • the envelope is closed by a cover 11b and it carries a projectile 4 (here an arrow projectile) by means of a connecting means 5 made of plastic, for example polyamide.
  • This connecting means 5 is obtained by injection on the body of the projectile at an annular groove and it is fixed by rivets 6 on the casing 9b (the rivets could be replaced by a bonding).
  • the envelope 9b also includes a constriction 22b.
  • the two containers are brought into contact at their end faces 10a, 10b.
  • the ring 12 ensures good relative positioning of the two containers and it also makes it possible to secure the joining of the two parts of the load.
  • the container defines an internal volume 37a inside which are disposed a propellant charge in grains 23a and a flame transmission device which is here a chimney 13, made of combustible material, and disposed substantially coaxially with the envelope 9a.
  • a chimney 13 made of combustible material, and disposed substantially coaxially with the envelope 9a.
  • This chimney is held in position by means of two combustible spacers 15 which are supported on the internal surface of the casing 9a.
  • the spacers will preferably be glued to the chimney, they include lights 16 (see FIG. 2), regularly distributed, which facilitate the placement of the propellant charge in grains 23a in the internal volume 37a of the container.
  • the chimney is pierced with holes 14 for igniting the propellant charge 23a.
  • a relay charge 17a constituted by a sachet filled with black powder and covering substantially the entire section of the container 1a is placed in the vicinity of the igniter.
  • the chimney acts as an igniter tube for the part of the load contained in the base container 1a.
  • the flame from the relay charge 17a propagates in the tube and ignites the main charge 23a through the holes 14.
  • An electrical wire 18, in an insulating sheath, provides an electrical connection between the igniter 3a and a conductive surface 21a deposited on the cover 11a at the front face 10a.
  • the wire 18 passes through the interior of the chimney 13, its stripped end is fixed to the conductive surface by means of conductive adhesive paper (for example an adhesive aluminum strip).
  • conductive adhesive paper for example an adhesive aluminum strip
  • the container 1b delimits an internal volume 37b inside which are disposed a propellant charge in grains 23b and a relay charge 17b which is a sachet of black powder covering substantially the entire section of the container 1b.
  • a second electric igniter 3b of known type is placed inside this bag, it is connected by a ground wire 19 to the projectile 4 (here by the stabilizer 7 on which it is brazed or fixed by a self-adhesive aluminum strip), and by a connecting wire 20 to a conductive surface 21b deposited on the cover 11b at the front face 10b.
  • the stripped end of the wire 20 will also be fixed by conductive adhesive paper.
  • the conductive surfaces 21a and 21b are preferably annular and surround openings 32a and 32b arranged in the covers at the axis of the containers.
  • the containers 1a and 1b therefore comprise in their internal volume 37a, 37b means for conduction of electricity (the connecting wire 18 for the container 1a and the connecting wires 19 and 20 for the container 1b).
  • the containers also include connection means (conductive surfaces 21a and 21b of the covers).
  • connection means make it possible to provide the electrical connection between the conduction means carried by the first container 1a and the conduction cores carried by the second container 1b.
  • the conductive surfaces 21a and 21b come into mutual contact, and thus make the electrical connection between the internal circuits to the containers 1a and 1b.
  • the electrical circuit thus established connects the two igniters 3a and 3b and makes it possible to ensure simultaneous ignition of the two igniters.
  • the propellant charge 23b may be in grains but it will advantageously consist of "sticks" or strands of powder having axial orifices. Such a charge ensuring rapid propagation of the flame front.
  • the chimney could be replaced by another flame transmission device such as a black powder igniter tube or a detonating cord (of the type described in patents FR7606456 and FR8113079), in all cases the wire 18 will be made integral with the device, for example by bonding to an external generator thereof.
  • a black powder igniter tube or a detonating cord of the type described in patents FR7606456 and FR8113079
  • the assembly of the containers is carried out as follows:
  • the envelope 9a is made integral with the base carrying the igniter on which the wire 18 is fixed.
  • Grain powder is placed at the bottom of the base to ensure a maximum filling rate, then the relay charge bag 17a is put in place.
  • the chimney 13 carrying its spacers 15 is disposed in the envelope, the wire 18 passing inside the chimney.
  • the socket is filled by the propellant charge 23a through the openings 16 of the spacers.
  • the load is vibrated to ensure an optimum filling rate.
  • the cover is put in place and the wire 18 connected to the conductive surface 21a.
  • the envelope 9b is first of all linked to the projectile by the rivets 6.
  • the powder is put in place as well as the ground wire 19 and the relay charge bag 17b.
  • the cover 11b is put in place and the wire 20 connected to the conductive surface 21b.
  • Figure 3 shows the igniter 3a which is used. It comprises a conductive body 24 which is screwed into the base 2. A housing receiving an inflammatory primer 26 is screwed into an axial housing of the body 24.
  • a second housing containing a flame-enhancing composition 27 is also screwed into the housing of the body, and comes into contact with the housing of the primer.
  • An insulating support 28 for example made of plastic, closes the axial housing of the body 24 and receives a conductive touch 25 which is in electrical contact at one of its ends with one of the contacts of the primer 26.
  • An insulating washer 29 is pinched between the insulating support 28 and the casing of the primer.
  • the connecting wire 18 has a stripped end which is pinched between the insulating washer 29 and the touch 25.
  • This wire leaves the body 24 of the igniter by a radial cut 36.
  • the primer 26 is connected to the mass of the weapon via the body 24 and the base 2.
  • the igniter 3b is connected to the mass of the weapon by means of the projectile 4.
  • the touch 25 receives an electrical voltage which is transmitted to the primer 26 and to the igniter 3b via the conduction means arranged in the internal volumes of each container and connection means which provide the electrical connection between these conduction means after the two containers have been joined.
  • the two igniters are therefore initiated at the same time which ensures simultaneous ignition of the charges contained in the two containers and a uniform pressure regime in the chamber of the weapon.
  • the means of conduction and electrical connection can take other forms.
  • FIGS. 4 and 5 show an alternative embodiment in which the conduction means comprise conductive tracks 30 arranged on the internal surface of the envelope 9a of the container 1a and which fulfill the same role as the connecting wire 18 of the embodiment. previous achievement.
  • These tracks here four in number regularly distributed angularly, are produced for example by bonding aluminum sheets.
  • a wire (not shown here) connects the igniter 3a to the circular track for example by means of conductive adhesive paper, the diameter of the circular track 31 will therefore be greater than the diameter of the fixing washer 8 of the casing 9a on the base 2.
  • the conductive tracks can be embedded in the thickness of the envelope of the container during the manufacture thereof.
  • the ends of the tracks will nevertheless come out of the envelope at the lower and upper ends of the container to allow electrical connections to be made with the igniter 3 on the one hand and with the connection means on the other hand.
  • the conduction means could also comprise a metallization of the entire internal surface of the envelope 9a.
  • the covers 11a and 11b have conductive surfaces 21a and 21b substantially annular and intended to come into mutual contact.
  • These conductive surfaces extend over at least part of the lateral surface of the covers so as to come into contact with the tracks 30 (for the cover 11a), and to pinch the stripped end of the connecting wire 20 (for the cover 11b).
  • the covers 11a and 11b are completely insulating.
  • connection means comprise one or more conductive jumpers 34a, 34b which are arranged at the necks 22a and 22b (for example folded aluminum sheets).
  • connection means also include the connecting ring 12 which has a conductive internal surface 33 and therefore ensures the electrical connection between the jumpers 34a and the jumpers 34b after assembly of the containers 1a and 1b.
  • the internal metallization of the cover could be made in the form of self-adhesive conductive tracks extending radially from the internal face of the cover 11b to its peripheral surface in contact with the jumpers.
  • the projectile is of the sub-calibrated type placed inside a shoe made of insulating material, it may be necessary to connect the ground wire 19 of the igniter to the mass of the weapon through the base 2.
  • FIG. 8 represents a variant of containers according to the invention which is adapted to the latter case.
  • the container 1a then has on the one hand tracks 30 arranged on the internal surface of the envelope 9a and electrically connected to the base 2 (for example by contact between the circular track 31 and the fixing washer 8), and on the other hand share an outer surface 35 metallized hard chimney 13.
  • Jumpers 34a are arranged at the constriction 22a in the same way as in the previous variant.
  • a first connecting wire (not shown here) connects the surface 35 to the igniter 3a and a second connecting wire 18 connects this surface 35 to the annular conductive surface 21a of the cover 11a.
  • the wire 18 will advantageously pass through the axial opening 32a of the cover.
  • the container 1b carries jumpers 34b which pinch the ground wire 19, the connecting wire 20 being connected to the annular conductive surface 21b through the axial opening 32b.
  • a ring 12 has an internal conductive surface 33 and provides the electrical connection between the jumpers 34a and the jumpers 34b.
  • the container according to the invention can also be a modular type container intended to be made integral with two other containers so as to produce an artillery charge of given power.
  • Modular containers are already known in particular from patent WO8601584. In the context of such an application, the invention will ensure instant ignition of the entire load regardless of the number of containers stacked.
  • the conduction and connection means which have been previously described can also be used to connect the rocket of a projectile (for example an explosive) and the base container base.
  • the base will then be modified to receive several contact pads through which the signals intended for the projectile will be sent.
  • pads will be connected to the conduction and connection means described above (tracks, metallizations, covers, jumpers, etc.) by flexible wires and conductive adhesive strips.
  • the projectile-carrying container (containing or not a propellant charge) will include the conduction and connection means described above (covers, jumpers, tracks, metallization, etc.) connected by flexible wires to the body of the projectile, for example at the base. or to the tail.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Air Bags (AREA)
EP92400170A 1991-02-11 1992-01-22 Behälter, vorgesehen mit elektrischen Verbindungsmitteln Expired - Lifetime EP0499500B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9101501A FR2672674B1 (fr) 1991-02-11 1991-02-11 Conteneur muni de moyens de liaison electrique.
FR9101501 1991-02-11

Publications (2)

Publication Number Publication Date
EP0499500A1 true EP0499500A1 (de) 1992-08-19
EP0499500B1 EP0499500B1 (de) 1997-04-02

Family

ID=9409535

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92400170A Expired - Lifetime EP0499500B1 (de) 1991-02-11 1992-01-22 Behälter, vorgesehen mit elektrischen Verbindungsmitteln

Country Status (4)

Country Link
US (1) US5241909A (de)
EP (1) EP0499500B1 (de)
DE (1) DE69218650T2 (de)
FR (1) FR2672674B1 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2277140A (en) * 1993-03-15 1994-10-19 Secr Defence Two part ammuniton round
FR2704053A1 (fr) * 1993-03-15 1994-10-21 United Kingdom Government Cartouche en deux parties séparables.
RU2707830C2 (ru) * 2018-04-26 2019-11-29 Акционерное общество "Уральский завод транспортного машиностроения" Артиллерийский выстрел раздельного заряжания с переменным метательным зарядом

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3939295A1 (de) * 1989-11-28 1991-05-29 Rheinmetall Gmbh Verfahren und vorrichtung zur herstellung von grosskalibriger munition
US6374525B1 (en) 1999-04-14 2002-04-23 Nils Thomas Firearm having an electrically switched ignition system
SE517704C2 (sv) 1999-05-10 2002-07-09 Tzn Forschung & Entwicklung Patron med elektrotermisk tändanordning
FR2799832B1 (fr) * 1999-10-13 2002-08-30 Giat Ind Sa Dispositif d'allumage pour un chargement propulsif
DE102008030663A1 (de) * 2008-07-01 2010-01-07 Rheinmetall Waffe Munition Gmbh Elektrische, gasdichte Durchführung sowie Verwendung in einem Geschoss
RU2667965C1 (ru) * 2017-04-06 2018-09-25 Акционерное общество "Производственное объединение "Завод имени Серго" Станок для обвязки пучков трубчатого пороха к корпусу бронебойного подкалиберного снаряда
RU2717569C1 (ru) * 2019-11-27 2020-03-24 Федеральное государственное унитарное предприятие "Центральный научно-исследовательский институт химии и механики" (ФГУП "ЦНИИХМ") Метательный заряд для выстрела раздельного заряжания
DE102022118632B4 (de) 2022-07-26 2024-03-21 Nitrochemie Aschau Gmbh Hülse und Artillerieladung

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2743580A (en) * 1952-10-07 1956-05-01 Hughes Aircraft Co Igniter for rocket motors
CH500052A (de) * 1965-01-29 1970-12-15 United Shoe Machinery Corp Treibladung ohne Primärzünder und Verwendung derselben
US3952658A (en) * 1968-09-26 1976-04-27 Broyles Howard F Electrically fired superimposed projectile
GB2136929A (en) * 1983-03-16 1984-09-26 Diehl Gmbh & Co Caseless ammunition for automatic weapons
EP0124183A2 (de) * 1983-05-03 1984-11-07 Philips Norden AB Kartusche zum Abschiessen von Düppeln
EP0314547A1 (de) * 1987-10-29 1989-05-03 GIAT Industries Treibladung für flügelstabilisierte Geschossmunition sowie Verfahren zu ihrer Herstellung

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US777319A (en) * 1904-05-02 1904-12-13 Krupp Ag Cartridge.
GB729372A (en) * 1953-04-10 1955-05-04 Schermuly Pistol Rocket App Improvements in or relating to electrically ignited cartridges
BE545353A (de) * 1955-03-08
US3136872A (en) * 1962-07-23 1964-06-09 Lloyd J Banaszak Gas operated ignition switch for a multi-stage rocket propelled missile
US3759183A (en) * 1971-12-17 1973-09-18 Us Army Multiple option electric detonator
US4616565A (en) * 1984-06-20 1986-10-14 The United States Of America As Represented By The Secretary Of The Air Force Modular detonator device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2743580A (en) * 1952-10-07 1956-05-01 Hughes Aircraft Co Igniter for rocket motors
CH500052A (de) * 1965-01-29 1970-12-15 United Shoe Machinery Corp Treibladung ohne Primärzünder und Verwendung derselben
US3952658A (en) * 1968-09-26 1976-04-27 Broyles Howard F Electrically fired superimposed projectile
GB2136929A (en) * 1983-03-16 1984-09-26 Diehl Gmbh & Co Caseless ammunition for automatic weapons
EP0124183A2 (de) * 1983-05-03 1984-11-07 Philips Norden AB Kartusche zum Abschiessen von Düppeln
EP0314547A1 (de) * 1987-10-29 1989-05-03 GIAT Industries Treibladung für flügelstabilisierte Geschossmunition sowie Verfahren zu ihrer Herstellung

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2277140A (en) * 1993-03-15 1994-10-19 Secr Defence Two part ammuniton round
FR2704053A1 (fr) * 1993-03-15 1994-10-21 United Kingdom Government Cartouche en deux parties séparables.
GB2277140B (en) * 1993-03-15 1996-01-17 Secr Defence Two part ammunition round
RU2707830C2 (ru) * 2018-04-26 2019-11-29 Акционерное общество "Уральский завод транспортного машиностроения" Артиллерийский выстрел раздельного заряжания с переменным метательным зарядом

Also Published As

Publication number Publication date
FR2672674B1 (fr) 1995-01-13
DE69218650T2 (de) 1997-09-04
US5241909A (en) 1993-09-07
FR2672674A1 (fr) 1992-08-14
DE69218650D1 (de) 1997-05-07
EP0499500B1 (de) 1997-04-02

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