EP0660070A1 - Treibladungsbehälter und Verfahren zu seiner Herstellung - Google Patents

Treibladungsbehälter und Verfahren zu seiner Herstellung Download PDF

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Publication number
EP0660070A1
EP0660070A1 EP94402545A EP94402545A EP0660070A1 EP 0660070 A1 EP0660070 A1 EP 0660070A1 EP 94402545 A EP94402545 A EP 94402545A EP 94402545 A EP94402545 A EP 94402545A EP 0660070 A1 EP0660070 A1 EP 0660070A1
Authority
EP
European Patent Office
Prior art keywords
case
cover
container
covers
rim
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.)
Withdrawn
Application number
EP94402545A
Other languages
English (en)
French (fr)
Inventor
Bernard Brion
Bernard Kotas
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 EP0660070A1 publication Critical patent/EP0660070A1/de
Withdrawn legal-status Critical Current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
    • F42B5/38—Separately-loaded propellant charges, e.g. cartridge bags
    • 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
    • F42B5/192—Cartridge cases characterised by the material of the casing wall
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S102/00—Ammunition and explosives
    • Y10S102/70—Combustilbe cartridge
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/53—Means to assemble or disassemble
    • Y10T29/53796—Puller or pusher means, contained force multiplying operator
    • Y10T29/53839—Puller or pusher means, contained force multiplying operator having percussion or explosive operator
    • Y10T29/53843—Tube, sleeve, or ferrule inserting or removing

Definitions

  • the field of the present invention is that of fuel containers intended to contain a propellant charge and methods of manufacturing such containers.
  • Modular cylindrical containers which have been made of combustible material have already been defined. Thanks to their rigidity, such containers are easier to use than traditional powder sachets.
  • the patent US5052304 describes for example a modular container constituted by two shells each comprising a bottom extended by a cylindrical envelope. The shells are assembled at the ends of their envelopes.
  • this method of assembly implies a different shape for each shell which further increases the production costs of the container.
  • the object of the invention is to propose a method for manufacturing a propellant charge container, a simple and inexpensive method making it possible to produce various types of container of different shapes and volumes, at low cost and with a minimum number of parts.
  • the invention also provides a container for propellant charge which is simple and inexpensive in design and allows easy loading into the chamber of a weapon.
  • the positioning means comprise a tool comprising a plate which makes it possible to axially position a bottom relative to the case at several determined positions.
  • the positioning means comprise radial openings which are drilled on at least one of the ends of the container and regularly distributed over at least one circular crown, openings intended to receive studs integral with a cover in order to ensuring a connection by clipping the cover and the case, piercing means making it possible to give the circular crown different axial positions on the case so as to allow the fixing of the cover to the desired position.
  • the positioning means comprise at least two annular grooves carried by at least one of the ends of the container and intended to receive a bead secured to a cover in order to ensure a connection by clipping of the cover and the case in at least two relative axial positions of the cover and the case.
  • the positioning means comprise at least one threaded profile arranged on the case and intended to cooperate with a complementary profile arranged on the edge of a cover.
  • the invention also relates to a container for propellant charge, characterized in that it is constituted by a case made of combustible material closed at each end by a cover also made of combustible material and comprising a bottom secured to a cylindrical rim, the external diameter is equal to the internal diameter of the case, the covers being linked to the case by means of fixing by clipping.
  • the clipping means may include radial openings arranged on at least one end of the case, regularly distributed over at least one circular crown, and intended to receive studs integral with a cover.
  • the case may include on at least one of its ends radial openings regularly distributed over at least two circular rings, and intended to receive studs integral with a cover in order to ensure a connection by clipping of the cover and the case in at least two relative axial positions of the cover and the case.
  • the clipping means may comprise at least two annular grooves arranged on the internal surface of the case at at least one of the ends of the container and intended to receive a bead secured to a cover in order to ensure a connection by clipping of the cover and the case in at least two relative axial positions of the cover and the case.
  • the container according to the invention may bear on its internal cylindrical surface at least one profile threaded cooperating with a complementary profile carried by the rim of a cover.
  • the covers are fixed so that their cylindrical edges are outside the case thus forming a constriction at each end.
  • the covers are fixed so that their bottoms are located substantially at the ends of the case.
  • a container 1 obtained with the method according to the invention comprises a cylindrical tubular case 2, made of combustible material for example of cardboard loaded with nitrocellulose, and closed at each end by a cover 3, also made of combustible material.
  • the two covers 3 are identical and each comprises a bottom 4 secured to a cylindrical rim 5.
  • the rim 5 has an external diameter which is equal to the internal diameter of the case 2, which allows the positioning of the cover in the case and its fixing by gluing.
  • the length L of the rim 5 is chosen to be relatively large for reasons which will be explained below. A significant length L also increases the rigidity and the mechanical strength of the container.
  • the edge 5 will be given a length greater than or equal to a quarter of the internal diameter of the case 2 (for example 50 mm for an external diameter 158 mm).
  • Each cover has an axial cylindrical flange 6 on which is positioned a cylindrical duct 7.
  • the duct 7 is also made of combustible material, it is fixed to each cover by gluing at the flanges 6.
  • the container 1 is intended to receive in its internal volume 8 a propellant powder (in bulk or in bundles) of known type and not shown.
  • the powder will be introduced into the container 1 through an opening 9 arranged on the cover 3 and closed after filling with a sheet of paper or a suitable stopper.
  • the duct 7 is intended to receive an ignition system of known type not shown, formed for example by a stack of rings of compressed black powder.
  • both the openings 9 and the ends of the duct 7 will be closed by means of paper lids bonded to the external faces of the two covers 3.
  • Such a container is perfectly symmetrical about its axis 10. It is also symmetrical with respect to a median plane normal to the axis 10.
  • This container can be stacked with other identical containers so as to constitute a propellant charge.
  • the various containers constituting a load will be in contact at the level of the flat front faces 1a and 1b of the covers 3. These front faces 1a, 1b are connected to the external cylindrical surface of the case 2 by sharp angles 2a, 2b.
  • Such an arrangement makes it possible on the one hand to produce a stable stacking of the containers and on the other hand facilitates their maintenance in the chamber of the weapon by known retaining systems, even when the weapon is strongly inclined.
  • This container thus has a significant advantage over known containers in which the front faces are connected to the external cylindrical surface by a rounded profile which promotes the offset of the various containers of the stack and hinders the maintenance of the latter in the chamber. of the weapon.
  • FIG. 2 represents another form of container 100 obtained with the method according to the invention.
  • this container comprises a cylindrical tubular case 2 made of combustible material and closed at each end by a cover 3 of combustible material.
  • the two covers 3 are identical and each comprises a bottom 4 secured to a cylindrical rim 5.
  • Each cover has an axial cylindrical flange 6 on which is positioned a cylindrical duct 7.
  • the duct 7, made of combustible material, is fixed to each cover by gluing at the flanges 6.
  • the container 100 receives in its internal volume 8 a propellant powder of known type, not shown, which is introduced into the container 100 through an opening 9 arranged on the cover 3 and closed after filling with a sheet of paper or a suitable plug.
  • the container 100 therefore uses the same parts (case 2, covers 3 and conduit 7) as the container 1.
  • the container 100 differs from the container 1 by the relative axial position of the case 2 and of the assembly formed by the two covers 3 and the duct 7.
  • a first end 100a of the container 100 carries a first cover 3a, the bottom 4a of which is placed inside the case 2.
  • the container 100 thus has a tubular extension 11 at its first end 100a.
  • a second end 100b of the container 100 carries a second cover 3b, part of the cylindrical rim 5 of which is outside the case 2 and thus forms a constriction 12 whose diameter is less than the external diameter of the case 2.
  • the length L ′ of the constriction 12 is substantially equal to that of the tubular extension 11.
  • the constriction 12 of a first container receives a tubular extension 11 secured to a second container.
  • This arrangement also gives a certain rigidity to the stack, which facilitates its handling.
  • the length L of the rim 5 of the covers 3 is chosen so as to allow the fixing of the cover on the case with a part of the rim disposed outside the case and forming a constriction 12.
  • the length L will be determined according to the characteristics of mechanical resistance of the materials used for the case 2 and for the covers 3.
  • the constriction 12 must therefore have a length L 'sufficient to ensure rigid support and without radial deformation of two assembled containers.
  • the length L-L 'must also be sufficient to allow rigid fixing of the cover to the case by gluing.
  • the flange 5 will be given a length greater than or equal to a quarter of the internal diameter of the case 2, ie a length of the order of 50mm for a case with an external diameter of 158mm.
  • this container has a constriction the length of which can be defined with precision since it is determined during assembly by the relative positioning of the cover and the case.
  • constriction 12 is delimited on one side by the end of the case 2 which has a sharp angle 2b.
  • Such an arrangement allows, when making a stack of containers, to bring each tubular extension 11 on the neck of another container and in abutment against the end of the case of the latter. It is therefore easy to control the total length of the stack of containers.
  • FIG. 3 represents another form of container 200 obtained with the method according to the invention.
  • this container has a cylindrical tubular case 2 closed at each end by a cover 3.
  • the two covers 3 are identical and each comprises a bottom 4 secured to a cylindrical rim 5.
  • each cover is positioned relative to the case so that part of its cylindrical rim 5 is outside the case 2 and thus forms a constriction 12, the diameter is less than the outer diameter of the case 2.
  • the container 200 thus carries a constriction 12 at each end, it is perfectly symmetrical about its axis 10 and with respect to a median plane normal to the axis 10.
  • the container 200 also uses the same parts (case 2, covers 3 and conduit 7) as the container 1 and the container 100.
  • FIG. 4 schematizes different stages of this method of producing containers according to the invention.
  • the covers will have a rim whose length will allow subsequent installation in the case with part of the rim disposed outside the case.
  • Step B we will proceed with the assembly (Step B) of the two covers 3 and of the duct 7. This step makes it possible to define the internal volume of the final container.
  • the covers can be positioned axially on the duct in a relatively precise manner.
  • the duct 7 can be cut before or after gluing the covers 3 to the length making it possible to give the desired volume for the container.
  • the glue is put in place after axial positioning.
  • tubular case 2 made of combustible material is produced (for example by molding).
  • the cases and conduits will be made with a length which corresponds to the maximum length encountered in the different definitions of containers. The final length is then adjusted according to the characteristics of each series of containers produced.
  • case 2 will be cut to the appropriate length by means of a saw 13.
  • Step C1 a container 1 according to the first embodiment described above
  • Step C2 a container 100 according to the second embodiment
  • Step C3 a container 200 according to the third embodiment
  • the radial position of the case on the holding surface 15 is given by a circular flange 18.
  • the axial position of the plate 16 relative to the holding surface 15 is adjustable by means of a jack 17.
  • This tool also also makes it possible to obtain with precision the length L 'desired for the constriction 12.
  • the duct / cover assembly is glued to the case.
  • the powder is placed in the containers through the openings 9 and the ignition system is introduced into the duct 7.
  • Closing lids are finally bonded to the bottoms of the covers so as to close the openings 9 and the duct 7.
  • the invention therefore provides a method of manufacturing a particularly simple container since it makes it possible to produce very easily and at low cost different types of containers of different shapes and volumes.
  • step B of the preceding process it is possible not to carry out step B of the preceding process and to position each cover individually with respect to the case by means of the tool 14 before gluing it.
  • the conduit is then placed and glued last.
  • FIG. 5 shows one end of a container, the case 2 of which carries at one end with radial openings 19 regularly distributed over a circular crown (represented by the dotted lines 20).
  • the studs 21 are integral with the cover 3 in order to ensure a connection by clipping of the cover and the case.
  • the studs will have a conical profile 21a facilitating the introduction of the cover and a straight profile 21b ensuring its axial stop.
  • the axial position of the openings 19 is defined by means of a drilling tool.
  • the position chosen for the crown 20 makes it possible to place the cover so that part of its cylindrical rim 5 is located outside the case, thus forming a constriction 12.
  • the covers positioned by clipping can also be glued to the case.
  • radial openings 19a, 19b, 19c are regularly distributed over several circular rings at each end of the case (respectively: 20a, 20b, 20c).
  • each cover three different axial positions according to the openings in which the studs 21 are placed.
  • a cover positioned by the openings 19c is shown in broken lines 3c.
  • This embodiment allows rapid assembly of the containers according to several configurations. However, it requires a prior definition of the length of the case which is the same for the three types of container.
  • FIG. 7 represents another variant in which the positioning means comprise clipping means formed by three grooves 22a, 22b, 22c arranged on the internal cylindrical surface of the case 2 and at each end of the latter.
  • These grooves have a rounded profile and are produced by molding the case.
  • the covers are glued to the case.
  • the molding of the grooves may give the case a shape such that its thickness is constant at the level of the grooves.
  • the external surface of the case will then have beads corresponding to the different grooves arranged on the internal surface.
  • Such a case must be defined with an appropriate external diameter authorizing its installation in the chamber of the weapon.
  • FIG. 8 shows a last variant in which the case 2 carries on its internal cylindrical surface a threaded profile 24 cooperating with a complementary profile 25 carried by the flange 5 of the cover 3.
  • the threaded profile is produced over the entire internal surface of the case.
  • the threaded profiles are rounded in order to facilitate their obtaining by molding.
  • the cover After positioning, the cover is immobilized by gluing.
  • the tubular extension 11 carries a threaded profile 24 and the constriction 12 carries a threaded profile 25.
  • each constriction 12 carries a threaded profile 25. It is then possible to secure several containers using a connecting ring also carrying a threaded profile.
  • the external surface of the case will then have a threaded profile in relief corresponding to the threaded profile 24 arranged on its internal surface.
  • Such a case must be defined with an appropriate external diameter authorizing its installation in the chamber of the weapon.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Details Of Rigid Or Semi-Rigid Containers (AREA)
  • Packaging Of Annular Or Rod-Shaped Articles, Wearing Apparel, Cassettes, Or The Like (AREA)
  • Closures For Containers (AREA)
EP94402545A 1993-12-22 1994-11-10 Treibladungsbehälter und Verfahren zu seiner Herstellung Withdrawn EP0660070A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9315422A FR2714168B1 (fr) 1993-12-22 1993-12-22 Procédé de fabrication de conteneur pour charge propulsive et conteneur ainsi obtenu.
FR9315422 1993-12-22

Publications (1)

Publication Number Publication Date
EP0660070A1 true EP0660070A1 (de) 1995-06-28

Family

ID=9454207

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94402545A Withdrawn EP0660070A1 (de) 1993-12-22 1994-11-10 Treibladungsbehälter und Verfahren zu seiner Herstellung

Country Status (3)

Country Link
US (1) US5493973A (de)
EP (1) EP0660070A1 (de)
FR (1) FR2714168B1 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2736425B1 (fr) * 1995-07-07 1997-08-29 Giat Ind Sa Conteneur combustible de charge propulsive pour une munition d'artillerie de campagne
US5758432A (en) * 1996-08-13 1998-06-02 The United States Of America As Represented By The Secretary Of The Navy Initiator positioning tool
FR2763392B1 (fr) * 1997-05-15 1999-06-11 Giat Ind Sa Boitier pour charge propulsive
DE19749486A1 (de) * 1997-11-08 1999-05-12 Dynamit Nobel Ag Verbindung von Rohrabschnitten verbrennbarer Treibladungshülsen
GB0200267D0 (en) * 2002-01-08 2002-02-20 Alford Sidney C Device for the disruption of explosive ordnance
DE102005025714A1 (de) * 2005-06-04 2007-01-04 Nitrochemie Aschau Gmbh Mehrteilige Munition
DE102007033832B4 (de) 2007-07-18 2014-06-12 Rheinmetall Waffe Munition Gmbh Munition mit einer aus mehreren Teilladungen bestehenden Treibladung
US10215543B1 (en) * 2012-05-10 2019-02-26 Mark Benson Linear explosive disruptor
US10731955B2 (en) * 2017-04-13 2020-08-04 Lawrence Livermore National Security, Llc Modular gradient-free shaped charge
FR3115869B1 (fr) * 2020-11-04 2022-11-11 Eurenco France Procede de fabrication d'un boitier renfermant un chargement pyrotechnique
DE102022118632B4 (de) 2022-07-26 2024-03-21 Nitrochemie Aschau Gmbh Hülse und Artillerieladung

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR373760A (fr) * 1906-03-10 1907-05-27 Krupp Ag Système de gargousse pour pièces d'artillerie
FR1514293A (fr) * 1967-01-11 1968-02-23 France Etat éléments de charges propulsives pour munitions d'artillerie
GB2194024A (en) * 1979-09-24 1988-02-24 Secr Defence Combustible cartridge cases
FR2614096A1 (fr) * 1987-04-15 1988-10-21 Poudres & Explosifs Ste Nale Objets combustibles en forme d'etui borgne
US5052304A (en) * 1989-07-28 1991-10-01 Rheinmetall Gmbh Propelling charge container

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US542103A (en) * 1895-07-02 Process of making blasting-cartridges
US923922A (en) * 1907-01-28 1909-06-08 Krupp Ag Cartouche charge for guns.
US3176617A (en) * 1962-06-11 1965-04-06 Beloit Corp Separate loading of artiliery propellant charges
US3831522A (en) * 1973-03-02 1974-08-27 R Romney Explosive booster and container therefor
JPS53112583A (en) * 1977-03-11 1978-10-02 Honda Motor Co Ltd Cap press-in device
SE7810386L (sv) * 1978-10-04 1980-04-05 Nitro Nobel Ab Rorformig forpackning for viskosa, viskoelastiska, plastiska samt pulver- eller kornformiga produkter
US4334476A (en) * 1980-07-02 1982-06-15 Mining Services International Corporation Primer cup
US4557029A (en) * 1983-03-15 1985-12-10 Stewart Richard M Core capping apparatus
US4598445A (en) * 1985-01-02 1986-07-08 Johnel M. O'Connor Two component cartridge case and method of assembly
US4691638A (en) * 1985-04-30 1987-09-08 Honeywell Inc. Cased telescoped ammunition
FR2596145B1 (fr) * 1986-03-21 1990-03-09 Poudres & Explosifs Ste Nale Procede de fabrication d'objets combustibles par emboutissage de disques de papier combustible au moyen d'un poincon souple
DE3704792A1 (de) * 1987-02-16 1988-09-01 Heide Marion Verfahren und vorrichtung zur herstellung einer treibladungshuelse fuer patronenmunition
SU1574427A1 (ru) * 1988-02-22 1990-06-30 Предприятие П/Я А-1094 Устройство дл сборки запрессовкой обечаек с днищами
DE4124657A1 (de) * 1991-07-25 1993-01-28 Rheinmetall Gmbh Modulare treibladung
US5256203A (en) * 1991-08-26 1993-10-26 Thomas B. Moore Co. Inc. Adhesive for applying a fluid adhesive to the inside surfaces of cartridge cases adjacent their open projectile-receiving ends
GB9119907D0 (en) * 1991-09-18 1991-10-30 Secr Defence Modular gun charge igniter

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR373760A (fr) * 1906-03-10 1907-05-27 Krupp Ag Système de gargousse pour pièces d'artillerie
FR1514293A (fr) * 1967-01-11 1968-02-23 France Etat éléments de charges propulsives pour munitions d'artillerie
GB2194024A (en) * 1979-09-24 1988-02-24 Secr Defence Combustible cartridge cases
FR2614096A1 (fr) * 1987-04-15 1988-10-21 Poudres & Explosifs Ste Nale Objets combustibles en forme d'etui borgne
US5052304A (en) * 1989-07-28 1991-10-01 Rheinmetall Gmbh Propelling charge container

Also Published As

Publication number Publication date
US5493973A (en) 1996-02-27
FR2714168B1 (fr) 1996-02-09
FR2714168A1 (fr) 1995-06-23

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