EP0314547A1 - Treibladung für flügelstabilisierte Geschossmunition sowie Verfahren zu ihrer Herstellung - Google Patents

Treibladung für flügelstabilisierte Geschossmunition sowie Verfahren zu ihrer Herstellung Download PDF

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Publication number
EP0314547A1
EP0314547A1 EP88402640A EP88402640A EP0314547A1 EP 0314547 A1 EP0314547 A1 EP 0314547A1 EP 88402640 A EP88402640 A EP 88402640A EP 88402640 A EP88402640 A EP 88402640A EP 0314547 A1 EP0314547 A1 EP 0314547A1
Authority
EP
European Patent Office
Prior art keywords
projectile
front part
socket
load
recess
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
EP88402640A
Other languages
English (en)
French (fr)
Other versions
EP0314547B1 (de
Inventor
Daniel Guenin
Raymond Mesnil
Joel Leblond
Marie-Christine Paris
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
Delegation Generale pour lArmement
Gouvernement de la Republique Francaise
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, Delegation Generale pour lArmement, Gouvernement de la Republique Francaise filed Critical Giat Industries SA
Priority to AT88402640T priority Critical patent/ATE102704T1/de
Publication of EP0314547A1 publication Critical patent/EP0314547A1/de
Application granted granted Critical
Publication of EP0314547B1 publication Critical patent/EP0314547B1/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
    • 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
    • F42B10/04—Stabilising arrangements using fixed fins
    • F42B10/06—Tail fins
    • 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
    • F42B5/067—Mounting or locking missiles in cartridge cases
    • 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
    • F42B5/16—Cartridges, i.e. cases with charge and missile characterised by composition or physical dimensions or form of propellant charge, with or without projectile, or powder

Definitions

  • the present invention relates to a propellant charge for a munition comprising a feathered projectile, as well as its production method.
  • This process has several flaws: - it causes significant friction of the powder on the matrix and more particularly on the edges of the jaws, which can lead to risks of inflammation during the transfer of the propellant charge into the socket, - It is impossible to penetrate a primer holder tube into the compacted charge obtained.
  • GB-A-2 136 929 describes a munition without a cartridge comprising two distinct and separate parts: a projectile and a propellant charge, the projectile and the propellant charge being successively introduced into the chamber of a weapon at the time of firing.
  • the aim sought here is to provide a family of projectiles of the same caliber whose total length is always equal to that of the propellant charge.
  • This object is achieved by fixing a propellant charge part to the projectile. It then becomes possible to use different types of projectiles of the same caliber in a given weapon. The two parts of the ammunition remain separate.
  • Patent FR-A-2 229 037 describes an arrow munition in which the projectile is made integral with the casing by means of a connecting piece.
  • the free space between the tail and the socket is filled with powder. This space is isolated from the rest of the socket by a partition to prevent its flow.
  • the front part of the load is integrated from the start in the socket.
  • the present invention aims to remedy these drawbacks by proposing a propellant charge that is easy to implement, and easily adaptable to different types of ammunition as well as to their ballistic requirements.
  • the subject of the invention is therefore a propellant charge for a munition equipped with a tailed projectile, consisting of a front part and a rear part, the front part surrounding the tail of the projectile and the rear part encompassing a means of ignition, characterized in that the rear part is integrated in a socket and has a recess in which is partially or totally engaged the front part to ensure the joining of these two parts.
  • the recess is delimited by the bush alone.
  • the recess is delimited both by the socket and by the rear part of the load.
  • the front part is integrated in a housing applied to the projectile and closed by a cover provided with vents, said housing being fitted in the recess and constituting a means of connection of the front part of the load to the projectile.
  • the housing is fragmentable and / or combustible.
  • the front part consists of a block of propellant powder agglomerated by means of a binder.
  • the front part consists of propellant powder in bulk, held in the housing by means of a fragmentable and / or combustible cover.
  • the front part consists of powder in bundles.
  • the front and rear parts are made of propellant powder of a different nature.
  • the process for manufacturing a propellant charge according to the invention is characterized in that: - the front part of the load and the tail of the projectile are secured, outside the socket, - the rear part of the load is placed in the socket, leaving between the top of the latter and the top of the rear part, a recess such that it allows the front part of the load to be put in place and secured together; from the socket, - the front and rear parts are bonded to secure the projectile and the case.
  • An advantage of the present invention lies in the fact that the mounting of a munition comprising a feathered projectile avoids any friction of powder grains.
  • Another advantage lies in the simplicity of carrying out the loading at reasonable economic conditions.
  • the loading of the ammunition comprises a front element 1a and a rear element 1b.
  • the element contains the tailed projectile 5, of which only the tail unit is shown, and the front part 6 of the load.
  • the element 1b comprises a socket 2 secured to a base 3.
  • An igniter tube 4 of known type is made integral with the base, for example by threading.
  • the socket 2 can be combustible and the metal base.
  • This sleeve receives the rear part 12 of the load either in the form of grain powder or in the form coated with a binder and cast in situ. The sleeve is not completely filled with propellant powder, a height H being provided between the upper surface 13 of the part 12 and the lip 14.
  • a recess 10a is delimited only by the wall of the sleeve 2.
  • the element 1a is in the form of a combustible case 7, made of the same material as that constituting the case, and made integral with the projectile 5 at a circular groove 19.
  • the case 7 is filled with a mass of powder, constituting the front part 6 of the propellant charge, which completely surrounds the tail of the projectile 5, and which is therefore integral with the latter.
  • the housing 7 is closed by a cover 8, of the same material, glued to the housing at the level of a constriction 9 of the latter, and carrying vents 11 whose role will be explained below.
  • the box 7 and the cover 8 thus constitute a means of connection between the front part 6 of the propellant charge and the projectile 5.
  • the housing 7 carries a constriction 10b over a length L; this constriction is substantially adjusted to the internal diameter of the sleeve 2, in order to allow it to be placed in the socket.
  • the values of L and H are chosen in such a way that the projectile 5 carrying the casing 7 and the socket are secured, while respecting the total length desired for the complete munition.
  • the connection is completed by known means, for example by gluing, crimping or riveting.
  • the socket 1 is filled with propellant powder, leaving a recess between the top of the socket and the loading such that the projectile carrying the casing is put in place and that it can be joined to the socket.
  • a munition is obtained, the propellant charge of which comprises at least two parts, the front part 6 of which is integral with the projectile, the connecting means being constituted by the housing and the cover, and which includes the tail unit (here totally).
  • the tail of the projectile is surrounded by powder, so that there is no penetration with contact thereof in the second part of the load which is not secured to the projectile; any risk of ignition is thus still avoided when the projectile, containing the front part of the load, is put in place and secured, with the socket containing the rear part of the load.
  • the implementation of the invention does not cause any disturbance in the ignition of the propellant charge.
  • the box 7 is combustible and the vents 11 facilitate the transmission of flame from the rear part 12 of the load to the front part 6.
  • Figure 2 shows, before securing the shell and the projectile, a munition whose simplified section shows two alternative embodiments of the propellant charge according to the invention.
  • the differences with the embodiment of Figure 1 are only found at the front part 6 of the integral load of the projectile.
  • the rear part 12 of the load is identical to that previously described.
  • the front part 6 of the propellant charge is constituted by a mass of powder agglomerated around the empennage by means of a binder, which thus constitutes the means of connection between this part 6 of the charge and the projectile 5.
  • the process for producing such a mass of powder, the characteristics of the binder and its shaping around the tail unit involve the technique, known to those skilled in the art, of frozen loads and will not be not described in more detail.
  • a housing 7 covering the mass of powder on all or part of its outer surface.
  • the housing will be made of combustible and / or fragmentable material as has already been described.
  • the projectile and the socket are assembled in a similar manner to that already described in connection with FIG. 1.
  • a recess 10a sufficient to allow the projectile and the socket 2 to be put in place and secured together, is provided in the latter.
  • the use of a box 7 will facilitate the joining by gluing or crimping of the cartridge case 2 and projectile 5 while protecting the powder mass. In the absence of a casing, this mass of powder can be covered with a protective varnish against thermoinitiation.
  • the front part 6 of the load it is also possible to design the front part 6 of the load so that it only partially encompasses the tail. A free space will remain in the housing 7, and it will then be useful to have a shim inside the housing in order to maintain the axial symmetry of the first part of the load (which is essential in the case of feathered projectiles of the arrow type ).
  • the advantages from the point of view of safety described in the preamble will be guaranteed by the fact that, thanks to the invention, there is no penetration with contact of the tail in the rear part of the loading which is not secured to the projectile. There is no risk of friction and overheating of the propellant charge during the positioning of the projectile and its attachment to the socket.
  • Figure 3 shows a simplified section of a munition, shown before securing the socket and the projectile, and illustrating another alternative embodiment of the propellant charge according to the invention.
  • the sleeve 2 is metallic and has a frustoconical part 17 at its front part.
  • the rear part 12 of the propellant charge will be produced by the frozen loading technique, the rear part 12 of the charge obtained having a cylindrical housing 16 in the upper part delimiting the recess 10a.
  • the front part 6 of the load also obtained by the frozen loading technique, will have a shape allowing it to adapt in the housing 16.
  • the attachment of the projectile and the socket will be effected by annular crimping of the socket directly on the projectile.
  • the front part of the load is fully integrated in the recess 1a.
  • loading parts of different natures for example, have the powder in grain or bundle inside the housing 7 or else the sleeve; or else associate a frozen loading part with another loading part in grain or bundle, or else provide for a loading comprising more than two parts, for example by filling the casing with two or more layers of propellant charges of nature different, separated or not by wedges.
  • the essential being, that after securing the projectile and the casing, part of the total load is secured to the projectile, includes all or part of the tail and that there is no penetration with contact of the tail in the part or parts of the load which are not secured to the projectile.

Landscapes

  • General Engineering & Computer Science (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Press Drives And Press Lines (AREA)
  • Magnetic Heads (AREA)
  • Road Paving Structures (AREA)
  • Road Signs Or Road Markings (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
  • Elimination Of Static Electricity (AREA)
EP88402640A 1987-10-29 1988-10-20 Treibladung für flügelstabilisierte Geschossmunition sowie Verfahren zu ihrer Herstellung Expired - Lifetime EP0314547B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88402640T ATE102704T1 (de) 1987-10-29 1988-10-20 Treibladung fuer fluegelstabilisierte geschossmunition sowie verfahren zu ihrer herstellung.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8714975A FR2622687B1 (fr) 1987-10-29 1987-10-29 Chargement propulsif pour munition comportant un projectile empenne ainsi que son procede de realisation
FR8714975 1987-10-29

Publications (2)

Publication Number Publication Date
EP0314547A1 true EP0314547A1 (de) 1989-05-03
EP0314547B1 EP0314547B1 (de) 1994-03-09

Family

ID=9356283

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88402640A Expired - Lifetime EP0314547B1 (de) 1987-10-29 1988-10-20 Treibladung für flügelstabilisierte Geschossmunition sowie Verfahren zu ihrer Herstellung

Country Status (7)

Country Link
EP (1) EP0314547B1 (de)
AT (1) ATE102704T1 (de)
CA (1) CA1331315C (de)
DE (1) DE3888288T2 (de)
ES (1) ES2051878T3 (de)
FR (1) FR2622687B1 (de)
IL (1) IL88235A (de)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2670879A1 (fr) * 1990-12-22 1992-06-26 Rheinmetall Gmbh Munition constituee de deux charges separees.
FR2672674A1 (fr) * 1991-02-11 1992-08-14 Giat Ind Sa Conteneur muni de moyens de liaison electrique.
US5179250A (en) * 1989-10-19 1993-01-12 Olin Corporation Segmented cartridge assembly
US5335599A (en) * 1991-11-21 1994-08-09 Rheinmetall Gmbh Ammunition unit
US5353710A (en) * 1991-02-11 1994-10-11 Giat Industries Container fitted with electrical connecting means
FR2710975A1 (fr) * 1993-10-04 1995-04-14 Giat Ind Sa Elément de munition d'artillerie et munition obtenue par assemblage d'une pluralité de tels éléments.
FR2763392A1 (fr) * 1997-05-15 1998-11-20 Giat Ind Sa Boitier pour charge propulsive
EP1092942A3 (de) * 1999-10-15 2002-01-02 Diehl Munitionssysteme GmbH & Co. KG Einrichtung zur Beschleunigung eines Projektils

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4020691A1 (de) * 1990-06-29 1992-01-02 Dynamit Nobel Ag Fluegelstabilisiertes geschoss
FR2806789B1 (fr) 2000-03-23 2002-06-07 Giat Ind Sa Tube allumeur pour une munition d'artillerie
DE10055068B4 (de) * 2000-11-07 2006-08-17 Rheinmetall Waffe Munition Gmbh Patrone
FR2849179B1 (fr) 2002-12-18 2006-06-30 Giat Ind Sa Munition sans douille et procede de montage d'une telle munition
FR2869101B1 (fr) 2004-04-15 2006-06-02 Giat Ind Sa Munition sans douille et procede de montage d'une telle munition
FR2888924B1 (fr) 2005-07-25 2007-08-24 Giat Ind Sa Procede de montage d'une munition

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2229037A1 (de) * 1973-05-09 1974-12-06 Rheinmetall Gmbh
FR2343987A1 (fr) * 1976-03-08 1977-10-07 France Etat Tube allumeur, notamment pour munition d'artillerie
GB2136929A (en) * 1983-03-16 1984-09-26 Diehl Gmbh & Co Caseless ammunition for automatic weapons
EP0218511A1 (de) * 1985-09-19 1987-04-15 Societe Nationale Des Poudres Et Explosifs Bindemittel-Füllstoff-Adhäsionsmittel und dieses Adhäsionsmittel enthaltende Treibstoffzusammensetzung

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2229037A1 (de) * 1973-05-09 1974-12-06 Rheinmetall Gmbh
FR2343987A1 (fr) * 1976-03-08 1977-10-07 France Etat Tube allumeur, notamment pour munition d'artillerie
GB2136929A (en) * 1983-03-16 1984-09-26 Diehl Gmbh & Co Caseless ammunition for automatic weapons
EP0218511A1 (de) * 1985-09-19 1987-04-15 Societe Nationale Des Poudres Et Explosifs Bindemittel-Füllstoff-Adhäsionsmittel und dieses Adhäsionsmittel enthaltende Treibstoffzusammensetzung

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5179250A (en) * 1989-10-19 1993-01-12 Olin Corporation Segmented cartridge assembly
FR2670879A1 (fr) * 1990-12-22 1992-06-26 Rheinmetall Gmbh Munition constituee de deux charges separees.
FR2672674A1 (fr) * 1991-02-11 1992-08-14 Giat Ind Sa Conteneur muni de moyens de liaison electrique.
EP0499500A1 (de) * 1991-02-11 1992-08-19 GIAT Industries Behälter, vorgesehen mit elektrischen Verbindungsmitteln
US5241909A (en) * 1991-02-11 1993-09-07 Giat Industries Container equipped with electrical connection means
US5353710A (en) * 1991-02-11 1994-10-11 Giat Industries Container fitted with electrical connecting means
US5335599A (en) * 1991-11-21 1994-08-09 Rheinmetall Gmbh Ammunition unit
FR2710975A1 (fr) * 1993-10-04 1995-04-14 Giat Ind Sa Elément de munition d'artillerie et munition obtenue par assemblage d'une pluralité de tels éléments.
FR2763392A1 (fr) * 1997-05-15 1998-11-20 Giat Ind Sa Boitier pour charge propulsive
EP0881458A1 (de) 1997-05-15 1998-12-02 GIAT Industries Treibladungsbehälter
US6012394A (en) * 1997-05-15 2000-01-11 Giat Industries Casing for propellant charge
EP1092942A3 (de) * 1999-10-15 2002-01-02 Diehl Munitionssysteme GmbH & Co. KG Einrichtung zur Beschleunigung eines Projektils

Also Published As

Publication number Publication date
DE3888288T2 (de) 1994-08-04
IL88235A (en) 1993-02-21
ES2051878T3 (es) 1994-07-01
EP0314547B1 (de) 1994-03-09
FR2622687A1 (fr) 1989-05-05
FR2622687B1 (fr) 1993-05-28
DE3888288D1 (de) 1994-04-14
IL88235A0 (en) 1989-06-30
ATE102704T1 (de) 1994-03-15
CA1331315C (fr) 1994-08-09

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