EP2898283B1 - Flexible chute - Google Patents

Flexible chute Download PDF

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Publication number
EP2898283B1
EP2898283B1 EP13780178.3A EP13780178A EP2898283B1 EP 2898283 B1 EP2898283 B1 EP 2898283B1 EP 13780178 A EP13780178 A EP 13780178A EP 2898283 B1 EP2898283 B1 EP 2898283B1
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EP
European Patent Office
Prior art keywords
section
wall portions
flexible chute
transverse
sections
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.)
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EP13780178.3A
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German (de)
French (fr)
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EP2898283A1 (en
Inventor
Jean-François Lescure
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.)
ETAT FRANCAIS REPRESENTE PAR LE DELEGUE GENERAL
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Direction General pour lArmement DGA
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Application filed by Direction General pour lArmement DGA filed Critical Direction General pour lArmement DGA
Priority to EP16000275.4A priority Critical patent/EP3043140B1/en
Publication of EP2898283A1 publication Critical patent/EP2898283A1/en
Application granted granted Critical
Publication of EP2898283B1 publication Critical patent/EP2898283B1/en
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41—WEAPONS
    • F41A—FUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE
    • F41A9/00—Feeding or loading of ammunition; Magazines; Guiding means for the extracting of cartridges
    • F41A9/54—Cartridge guides, stops or positioners, e.g. for cartridge extraction
    • F41A9/56—Movable guiding means
    • F41A9/57—Flexible chutes, e.g. for guiding belted ammunition from the magazine to the gun
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D73/00—Packages comprising articles attached to cards, sheets or webs
    • B65D73/02—Articles, e.g. small electrical components, attached to webs

Definitions

  • the invention particularly relates to the field of the supply of ammunition of a firearm and more particularly to a flexible corridor for guiding a flexible ammunition strip from an ammunition crate to a firearm.
  • This corridor is intended to be fixed on the one hand near a box of cartridges, and secondly at the entrance to the supply corridor of the weapon; it has, by construction, the necessary flexibility and sufficient flexibility and torsion to allow movement of the weapon without giving the band deformations greater than those suitable for its proper operation.
  • small-caliber machine gunners up to 12.7mm, feed their weapons with ammunition crates, see without ammunition crates, and have only 100 or 200 knocks available to them. must monitor during firing to avoid inadvertent snagging before ammunition introduction, which could stop the weapon or impair its proper functioning.
  • corridors with soft ammunition and metal consist of a series of sets of elements mounted one behind the other, so as to form successive joints and to compose a corridor of sufficient length to make the junction between an ammunition box and a weapon to ensure the supply of ammunition thereof.
  • These devices have many disadvantages such as their complexity of manufacture, the need for significant maintenance to maintain the joints in condition.
  • the patent is known US3435937 which describes a corridor of partially rectangular section having a longitudinal wide groove on one of its long sides and formed by a succession of identical sections, two successive sections being connected by sidewall portions, at each of the lateral faces of their little sides.
  • two emergent grooves disposed in the same plane separate two successive sections and the corridor comprises n sets of two opening grooves arranged in parallel planes and allow a certain flexibility of the corridor, the longitudinal groove also participating in the flexibility of the corridor as indicated in FIG. the description of the figure 2 said patent.
  • sidewall portion is meant that these sidewall portions do not connect the short sides along their entire length but only on a portion of the latter.
  • the object of the invention is to provide a flexible corridor to solve all the disadvantages of the state of the art and, more particularly to provide a corridor for ammunition light, flexible in at least two plans, maintenance-free, price of returns very low, easy to implement and repair in the field.
  • a flexible ammunition corridor comprising successive sections connected by portions of walls at their transverse faces and comprising at least one tubular section of axis G with a first wall portion secured to one of its two transverse faces and a second wall portion integral with the other transverse face, characterized in that the projections of these wall portions perpendicular to a transverse plane of the section, are at least partly distinct.
  • said projections are radially offset by an angle between ⁇ / 9 and 8 ⁇ / 9, and preferably between ⁇ / 3 and 2 ⁇ / 3, the origin of the beam being the center G.
  • a flexible ammunition corridor comprises successive sections connected by portions of walls at their transverse surfaces, characterized in that it comprises at least one tubular section comprising at least one large upper side, a large lower side, and two smaller lateral sides and in that this section comprises, on a first transverse face, at least one wall portion only on at least one of said lateral sides and, on its second transverse face, at the least one or more wall portions only on one of the lower and upper major sides or both.
  • the solution provided is a flexible ammunition corridor comprising successive sections connected by portions of walls at their lateral faces, characterized in that it comprises at least a first, a second and a third successive tubular sections comprising at least one large upper side, one large lower side, and two smaller lateral sides and such that the first section is connected to the second only by one or more portions of axial walls at each of the transverse faces of their long upper and / or lower sides facing each other while the second section is connected to the third section only by one or several side wall portions at each of the transverse faces of their smaller, laterally facing side faces.
  • first and second sections are partly separated by a first and a second groove arranged in a first plane and facing one another while the second and third sections are partly separated by a third and a fourth grooves disposed in a second plane and facing each other, the first and second grooves being radially offset from the third and fourth grooves.
  • This radial offset makes it possible to obtain a flexibility of the first section relative to the second in a first direction while and a flexibility of the second section relative to the third second in a second direction different from the first.
  • axial has no geometric meaning but it is used to differentiate the wall portions connected to the long sides of those, said side, connected to the smaller side sides.
  • a corridor according to the invention is characterized in that it comprises at least a first and a second successive assemblies each comprising a first and a second successive tubular section comprising at least one large upper side, one large lower side. , and two smaller lateral sides and such that the first section is secured to the second only by one or more axial wall portions at each of the transverse faces of their long upper and lower sides, and in that the first set is secured the second set only by one or more side wall portions at each of the transverse faces of their smaller side sides.
  • the one or more sections are tubular of rectangular transverse outer shape with two long sides of the same length connected to two other smaller sides, themselves of the same length.
  • each of the sections has a thickness, measured longitudinally, less than 2 cm and preferably between 0.3 and 1 cm.
  • the sidewall portions are concentrated at the middle portion of the transverse faces of said short sides.
  • the axial wall portions are concentrated at the middle portion of the transverse faces of said long sides.
  • the passage is monobloc and preferably made of elastomer or plastic thus making it possible to manufacture it by molding.
  • a flexible corridor according to the invention comprises, at least at one of its ends, an adapter endpiece comprising a first part having, mainly , an inner diameter slightly greater than the outer diameter of the flexible lane and a second portion of inner diameter equal to that of the lane.
  • a corridor according to the invention comprises at least one device adapted to this device comprising a U-shaped plate whose dimension between the branches is equal to or slightly greater than to the thickness of the corridor and whose width of the plate is substantially the same as that of two sections arranged side by side, and which has lateral flanges so as to form an element adapted to be clipped on two sections arranged side by side .
  • the figure 1 shows an exemplary embodiment of a flexible ammunition corridor made of plastic by molding.
  • This passage 1 has a generally tubular shape of rectangular section of external dimensions 25mm x 86mm, and a wall thickness of 5mm thus having a cavity of rectangular section of dimensions 15mm x 76mm able to allow the passage of munitions of 7.62 mounted on link to form a band.
  • This flexible passage 1 consists mainly of successive sections 2 connected by wall portions 11, 13 at their transverse faces.
  • the Figures 2a and 2b show the general shape of a stretch used in this example of embodiment of the invention, and more particularly respectively a diagram of a perspective view of one of the transverse faces of a section 2 used in the context of the corridor 1, and a diagram of a perspective view of the Another transverse face, this section 2 has a rectangular tubular shape of axis G with a first and a second small parallel sides 8, 18 connected to a first and second long parallel sides 9, 19 and a first and second transverse faces 10 , 20 parallel and intended to be arranged opposite different sections.
  • the outer dimensions of this section are 25mm x 86mm, and the wall section is approximately 5mm x 5mm.
  • the Figure 2c shows a projection of the section 2 and wall portions associated therewith in the transverse plane P T containing its transverse face 10 whose center is G, G being also on the axis of the tubular section and on the corridor when it is straight. It can be seen that the projections 26 1 , 26 2 perpendicular to Pt of the axial wall portions 11 1 and 11 2 are totally distinct from those 26 3 , 26 4 of the side wall portions 13 1 and 13 2 and all the projections of these portions. wall are distinct. In addition, G being the origin, the projections 26 March 26 4 for sidewall portions 13 1 and 13 2 are offset relative to those of the axial wall portions 11 1 and 11 2 of an angle ⁇ equal to ⁇ / 2.
  • the corridor 1 according to this embodiment is constituted by a succession of identical sets such as that shown, in plan view, on the figure 3a and on the figure 3b , in section according to plan AA 'of the figure 3a .
  • Each set 12 consists of a first section 2 1 and a second section 2 2 arranged parallel and side by side so that the transverse surface 10 1 of the first section 2 1 is opposite the transverse surface 2 of the second section 2 2 .
  • These first and second sections 2 1 , 2 2 are secured, on the one hand, by a first axial wall portion 11 1 connecting the first large side 9 1 of the first section 2 1 to the first large side 9 of the second section 2 2 and on the other hand, by a second wall portion 11 2 connecting the second long side 19 1 of the first section 2 1 to the second long side 19 2 of the second section 2 2 .
  • These first and second axial wall portions 11 1 and 11 2 have a cross section of about 5mm x 5mm and longitudinally a thickness of about 3mm.
  • the figure 4 shows a diagram of a side view of the first 5 sets 12 1 , 12 2 12 3 , 12 4 , 12 5 of the corridor 1.
  • the first set 12 1 is secured to the second set 12 2 , on the one hand by a first side wall portion 13 1 connecting the first small side 8 2 of the second section 2 2 of the first set 12 1 to the first small side 8 1 of the first section 2 1 of the second set 12 2 and, secondly, by a second side wall portion 13 2 connecting the second small side 18 2 of the second section 2 2 of the first set 12 1 to the second small side 18 1 of the first section 2 1 of the second set 12 2 .
  • each section is connected, on the one hand, to the one preceding it by first and second axial wall portions 11 1 and 11 2 respectively connecting their first and second long sides and on the other hand, to the succeeding section by first and second side wall portions 13 1 , 13 2 respectively connecting their first and second small lateral sides.
  • first and second axial wall portions 11 1 and 11 2 connect the long sides at their middle portion and said first and second side wall portions 13 1 and 13 2 connect the short sides also at their portion. median.
  • the first and second upper and lower wall portions 11 1 and 11 2 provide flexibility to the corridor in the width direction of the corridor, while said first and second side wall portions 13 1 and 13 2 provide flexibility to the corridor. corridor in the direction of the thickness of the corridor.
  • first grooves 14 1 and 14 2 which face each other and are C-shaped relative to the material forming the assembly and while two successive assemblies are separated by second grooves 15 1 and 15 2 which face each other and are U-shaped with respect to the material forming the assembly and.
  • first and second grooves each have a plane of symmetry and the plane of symmetry of the first grooves 14 1 and 14 2 and perpendicular to that of the second grooves 15 1 and 15 2 .
  • the radii of curvature are dependent on the width of the grooves between each section of the flexible corridor.
  • the figure 6 shows a perspective diagram of an adapter tip 30 used to secure the corridor 1 to certain types of weapons or some boxes of ammunition.
  • the figure 7 shows a diagram of a first part, in this case a front part, of a tip 30 according to the figure 6 .
  • This first part consists of a steel sheet 0.8 to 1.2 mm thick, longer than that of a set 12 of the corridor and the same peripheral shape as that of a section 2 but of internal diameter at less equal to the outer diameter of a section so that the latter can penetrate inside.
  • This sheet has, on each of its long sides 34, four longitudinal notches, two of which on one side of the long side and two others 36 on the other side of the long side so as to form two plates 37 of approximately 10 mm ⁇ 10 mm. whose free end is bent inwards so as to form claws 38 and so that the distance between the shoulder and the claw is slightly greater than that of an assembly. These claws 38 are chamfered on their outer lower part. The length of the notches is sufficient to give some elasticity to said plates 37.
  • an end of the flexible passageway 1 is introduced inside the first portion 31 of the endpiece so that its free transverse face comes into contact with the shoulder 33.
  • the claws 38 are each found in a groove, in this case the grooves 15 and the absence of chamfer on the inner part of the claws to block the corridor in this position.
  • the figure 8 presents a diagram of a second part, in this case a rear part, of a tip 30 according to the figure 6 .
  • This second part 32 of the mouthpiece, presented on the figure 8 has an inner diameter substantially equal to that of the passage 1 and further comprises means for locking this endpiece on a weapon or on an ammunition box consisting of a lower transverse projecting plate 40 disposed on its long lower side 41 and of a tube 42 disposed on its large upper side and having notches 43 into which are introduced bolt elements 44 as shown on the figure 9 .
  • These locking means are intended to cooperate with complementary means not shown located on the weapon or the ammunition box.
  • the figures10a and 10b show an example of a device 49 adapted to repair a flexible corridor according to the invention by joining two parts of corridor not connected to each other. It consists of a U-shaped plate 50 whose dimension between the branches 51 is equal to or slightly greater than the thickness of the corridor and whose length of the branches is slightly less than half the width of the corridor minus half -width of an axial wall portion 11.
  • the width of the plate is substantially the same as that of two sections arranged side by side.
  • This plate 50 has lateral flanges 53, 54 so as to form an element adapted to be clipped on two sections arranged side by side.
  • the procedure for the repair is as follows: the damaged sections and the associated sidewall portions 13 are cut so as to contiguously place two sets 12.
  • a first device 49 is positioned to grip a first portion of the sections located face-to-face of the two adjacent sets and a second device 49 is positioned so as to enclose a second portion of the sections located face to face of the two adjacent sets, the first and second devices 49 facing each other.
  • the feeding of a munition strip inside the corridor can be carried out manually or with the aid of a device such as, for example, that described in the patent application.
  • FR12 00275 filed on behalf of the plaintiff published as FR 2 986 317 .
  • the dimensions of the flexible corridor can be adapted to those of the ammunition used and this invention can be declined on all small calibers mounted on links up to 12.7mm, see the calibres means and pellet grenades.
  • a corridor according to the invention may have a different shape, for example trapezoidal, or elliptical. If the necessary curvature and its sense (s) are known, the wall portions may not be placed in the middle part of the long sides and / or in the middle part of the short sides in order to promote flexibility in this (s). direction and this curvature and radial offsets of the wall portions along the corridor may also be provided.
  • the sections may be joined together by more than one portion of walls per small and / or large side.
  • said projections of the wall portions of a section may be radially offset from that of the section which precedes or succeeds it, the offset being regular or not along the corridor.
  • a flexible corridor according to the invention may have other applications than feeding a weapon with ammunition.
  • a corridor can be used in combination with a flexible and endless drive chain and one or more receptacles, for example bucket type, for regular feeding of a machine into objects.
  • the chain may for example be of the flexible strip type such as that described in the patent application PCT / FR2013 / 00027 , published as FR 2 986 317 on which are fixed, preferably regularly, buckets.
  • Such a device may for example be used to feed rivets a robot, one of its ends being connected to a rivet distributor and the other to a 3D robotic arm in charge of assembling mechanical parts.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Chutes (AREA)
  • Toys (AREA)
  • Floor Finish (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
  • Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Emergency Lowering Means (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)

Description

L'invention concerne notamment le domaine de l'alimentation en munitions d'une arme à feu et à plus particulièrement pour objet un couloir flexible pour guider une bande souple de munitions depuis une caisse à munitions jusqu'à une arme à feu.The invention particularly relates to the field of the supply of ammunition of a firearm and more particularly to a flexible corridor for guiding a flexible ammunition strip from an ammunition crate to a firearm.

Ce couloir est prévu pour se fixer d'une part à proximité d'une caisse de cartouches, et d'autre part à l'entrée du couloir d'alimentation de l'arme; il a, par construction, la souplesse nécessaire et suffisante en flexion et en torsion pour permettre les déplacements de l'arme sans donner à la bande des déformations supérieures à celles qui conviennent à son bon fonctionnement.This corridor is intended to be fixed on the one hand near a box of cartridges, and secondly at the entrance to the supply corridor of the weapon; it has, by construction, the necessary flexibility and sufficient flexibility and torsion to allow movement of the weapon without giving the band deformations greater than those suitable for its proper operation.

Dans bien des cas les servants de mitrailleuses de petits calibres, jusqu'à 12.7mm, alimentent leur arme avec une caisse à munitions, voir sans caisse à munitions, ils n'ont alors à leur disposition que 100 ou 200 coups disponibles qu'ils doivent surveiller pendant le tir de façon à éviter tout accrochage intempestif avant introduction des munitions, qui pourrait enrayer l'arme ou nuire à son bon fonctionnement.In many cases, small-caliber machine gunners, up to 12.7mm, feed their weapons with ammunition crates, see without ammunition crates, and have only 100 or 200 knocks available to them. must monitor during firing to avoid inadvertent snagging before ammunition introduction, which could stop the weapon or impair its proper functioning.

Il existe aujourd'hui, notamment pour les nouvelles armes ou les nouveaux systèmes d'armes, des couloirs à munitions souples et métalliques. Ces couloirs sont constitués d'une suite d'ensembles d'éléments montés les uns derrières les autres, de façon à former des articulations successives et de composer un couloir d'une longueur suffisante pour faire la jonction entre une caisse à munitions et une arme pour ainsi assurer l'alimentation en munitions de celle-ci. Ces dispositifs ont de nombreux inconvénients tels que leur complexité de fabrication, la nécessité d'une maintenance importante pour maintenir les articulations en état.There are nowadays, especially for new weapons or new weapon systems, corridors with soft ammunition and metal. These corridors consist of a series of sets of elements mounted one behind the other, so as to form successive joints and to compose a corridor of sufficient length to make the junction between an ammunition box and a weapon to ensure the supply of ammunition thereof. These devices have many disadvantages such as their complexity of manufacture, the need for significant maintenance to maintain the joints in condition.

Pour résoudre ces inconvénients, on connaît le brevet US3435937 qui décrit un couloir de section partiellement rectangulaire comportant une gorge large longitudinale sur l'un de ses grands côtés et formé par une succession de tronçons identiques, deux tronçons successifs étant reliés par des portions de paroi latérale, au niveau de chacune des faces latérales de leurs petits côtés. Ainsi, deux gorges débouchantes disposées dans un même plan séparent deux tronçons successifs et le couloir comporte n ensembles de deux gorges débouchantes disposés dans des plans parallèles et permettent une certaine flexibilité de couloir, la gorge longitudinale participant également à la flexibilité du couloir comme indiqué dans la description relative à la figure 2 dudit brevet.To solve these drawbacks, the patent is known US3435937 which describes a corridor of partially rectangular section having a longitudinal wide groove on one of its long sides and formed by a succession of identical sections, two successive sections being connected by sidewall portions, at each of the lateral faces of their little sides. Thus, two emergent grooves disposed in the same plane separate two successive sections and the corridor comprises n sets of two opening grooves arranged in parallel planes and allow a certain flexibility of the corridor, the longitudinal groove also participating in the flexibility of the corridor as indicated in FIG. the description of the figure 2 said patent.

Par portion de paroi latérale, il faut entendre que ces portions de paroi latérale ne relient pas les petits côtés latéraux sur toute leur longueur mais seulement sur une portion de cette dernière.By sidewall portion is meant that these sidewall portions do not connect the short sides along their entire length but only on a portion of the latter.

Cependant, un tel couloir présente une flexibilité uniquement dans un plan ce qui limite considérablement son utilisation.However, such a corridor has a flexibility in a plane only which considerably limits its use.

Le but de l'invention est de proposer un couloir flexible permettant de résoudre tous les inconvénients de l'état de la technique et, plus particulièrement de proposer un couloir pour munitions léger, flexible dans au moins deux plans, sans entretien, de prix de revient très faible, facile à mettre en oeuvre et à réparer sur le terrain.The object of the invention is to provide a flexible corridor to solve all the disadvantages of the state of the art and, more particularly to provide a corridor for ammunition light, flexible in at least two plans, maintenance-free, price of returns very low, easy to implement and repair in the field.

La solution apportée est un couloir flexible pour munitions comportant des tronçons successifs reliés par des portions de parois au niveau de leurs faces transversales et comportant au moins un tronçon tubulaire d'axe G avec une première portion de paroi solidaire de l'une de ses deux faces transversales et une seconde portion de paroi solidaire de l'autre face transversale, caractérisé en ce que les projections de ces portions de paroi perpendiculairement à un plan transversal du tronçon, sont au moins en partie, distinctes.The solution provided is a flexible ammunition corridor comprising successive sections connected by portions of walls at their transverse faces and comprising at least one tubular section of axis G with a first wall portion secured to one of its two transverse faces and a second wall portion integral with the other transverse face, characterized in that the projections of these wall portions perpendicular to a transverse plane of the section, are at least partly distinct.

Par distinctes, il faut entendre que les projections dans un même plan transversal, par exemple l'une des faces transversales, sont totalement distinctes ; elles n'ont donc pas de point en commun.By distinct, it must be understood that the projections in the same transverse plane, for example one of the transverse faces, are totally distinct; they have no point in common.

Selon une autre caractéristique lesdites projections sont radialement décalées d'un angle compris entre π/9 et 8π/9, et, préférablement, compris entre π/3 et 2π/3, l'origine du rayon étant le centre G.According to another characteristic, said projections are radially offset by an angle between π / 9 and 8π / 9, and preferably between π / 3 and 2π / 3, the origin of the beam being the center G.

Selon une caractéristique particulière un couloir flexible pour munitions selon l'invention comporte des tronçons successifs reliés par des portions de parois au niveau de leurs surfaces transversales, caractérisé en ce qu'il comporte au moins un tronçon tubulaire comportant au moins un grand côté supérieur, un grand côté inférieur, et deux côtés latéraux plus petits et en ce que ce tronçon comporte, sur une première face transversale, au moins une portion de paroi uniquement sur au moins l'un desdits côtés latéraux et, sur sa deuxième face transversale, au moins une ou plusieurs portions de paroi uniquement sur l'un des grands côtés inférieur et supérieur ou sur les deux.According to a particular characteristic, a flexible ammunition corridor according to the invention comprises successive sections connected by portions of walls at their transverse surfaces, characterized in that it comprises at least one tubular section comprising at least one large upper side, a large lower side, and two smaller lateral sides and in that this section comprises, on a first transverse face, at least one wall portion only on at least one of said lateral sides and, on its second transverse face, at the least one or more wall portions only on one of the lower and upper major sides or both.

Selon une caractéristique additionnelle, la solution apportée est un couloir flexible pour munitions comportant des tronçons successifs reliés par des portions de parois au niveau de leurs faces latérales, caractérisé en ce qu'il comporte au moins un premier, un second et un troisième tronçons successifs tubulaires comportant au moins un grand côté supérieur, un grand côté inférieur, et deux côtés latéraux plus petits et tels que le premier tronçons est relié au second uniquement par une ou plusieurs portions de parois axiales au niveau de chacune des faces transversales de leurs grands côtés inférieur et/ou supérieur qui se font face tandis que le second tronçon est relié au troisième tronçon uniquement par une ou plusieurs portions de paroi latérale au niveau de chacune des faces transversales de leurs plus petits côtés latéraux qui se font face.According to an additional characteristic, the solution provided is a flexible ammunition corridor comprising successive sections connected by portions of walls at their lateral faces, characterized in that it comprises at least a first, a second and a third successive tubular sections comprising at least one large upper side, one large lower side, and two smaller lateral sides and such that the first section is connected to the second only by one or more portions of axial walls at each of the transverse faces of their long upper and / or lower sides facing each other while the second section is connected to the third section only by one or several side wall portions at each of the transverse faces of their smaller, laterally facing side faces.

Ainsi, les premier et second tronçons sont en partie séparés par une première et une seconde gorges disposées dans un premier plan et en regard l'une de l'autre tandis que les second et troisième tronçons sont en partie séparés par une troisième et une quatrième gorges disposées dans un second plan et en regard l'une de l'autre, les première et une seconde gorges étant décalées radialement par rapport aux troisième et une quatrième gorges. Ce décalage radial permet d'obtenir une flexibilité du premier tronçon par rapport au second selon une première direction tandis et une flexibilité du second tronçon par rapport au troisième second selon une seconde direction différente de la première.Thus, the first and second sections are partly separated by a first and a second groove arranged in a first plane and facing one another while the second and third sections are partly separated by a third and a fourth grooves disposed in a second plane and facing each other, the first and second grooves being radially offset from the third and fourth grooves. This radial offset makes it possible to obtain a flexibility of the first section relative to the second in a first direction while and a flexibility of the second section relative to the third second in a second direction different from the first.

Dans le cadre de cette demande de brevet, le terme axiale n'a pas de signification géométrique mais il est utilisé pour différencier les portions de paroi reliées aux grands côtés de celles, dites latérales, reliées aux plus petits côtés latéraux.In the context of this patent application, the term axial has no geometric meaning but it is used to differentiate the wall portions connected to the long sides of those, said side, connected to the smaller side sides.

Selon une caractéristique particulière, un couloir selon l'invention est caractérisé en ce qu'il comporte au moins un premier et un second ensembles successifs comportant chacun un premier et un second tronçons successifs tubulaires comportant au moins un grand côté supérieur, un grand côté inférieur, et deux côtés latéraux plus petits et tels que le premier tronçons est solidarisé au second uniquement par une ou plusieurs portions de paroi axiale au niveau de chacune des faces transversales de leurs grands côtés inférieur et supérieur, et en ce que le premier ensemble est solidarisé au second ensemble uniquement par une ou plusieurs portions de parois latérales au niveau de chacune des faces transversales de leurs plus petits côtés latéraux.According to a particular characteristic, a corridor according to the invention is characterized in that it comprises at least a first and a second successive assemblies each comprising a first and a second successive tubular section comprising at least one large upper side, one large lower side. , and two smaller lateral sides and such that the first section is secured to the second only by one or more axial wall portions at each of the transverse faces of their long upper and lower sides, and in that the first set is secured the second set only by one or more side wall portions at each of the transverse faces of their smaller side sides.

Selon une caractéristique particulière, le ou lesdits tronçons sont tubulaires de forme extérieure transversale rectangulaire avec deux grands côtés de même longueur reliés à deux autres cotés plus petits, eux-mêmes de même longueur.According to a particular characteristic, the one or more sections are tubular of rectangular transverse outer shape with two long sides of the same length connected to two other smaller sides, themselves of the same length.

Selon une autre caractéristique particulière privilégiant la flexibilité du couloir, chacun des tronçons a une épaisseur, mesurée longitudinalement, inférieure à 2cm et préférablement comprise entre 0,3 et 1cm.According to another particular characteristic favoring the flexibility of the corridor, each of the sections has a thickness, measured longitudinally, less than 2 cm and preferably between 0.3 and 1 cm.

Selon une autre caractéristique, les portions de paroi latérale sont concentrées au niveau de la partie médiane des faces transversales desdits petits côtés.According to another feature, the sidewall portions are concentrated at the middle portion of the transverse faces of said short sides.

Selon une caractéristique additionnelle, les portions de paroi axiale sont concentrées au niveau de la partie médiane des faces transversales desdits grands côtés.According to an additional feature, the axial wall portions are concentrated at the middle portion of the transverse faces of said long sides.

Selon une autre caractéristique facilitant sa fabrication le couloir est monobloc et préférablement réalisé en élastomère ou en plastique permettant ainsi de le fabriquer par moulage.According to another feature facilitating its manufacture the passage is monobloc and preferably made of elastomer or plastic thus making it possible to manufacture it by molding.

Selon une autre caractéristique permettant de solidariser le couloir à une arme ou à une caisse de munitions, un couloir flexible selon l'invention comporte, au moins à l'une de ses extrémités, un embout d'adaptation comportant une première partie ayant, principalement, un diamètre interne légèrement supérieur au diamètre externe du couloir flexible et une seconde partie de diamètre interne égal à celui du couloir.According to another characteristic making it possible to secure the passageway to a weapon or to a box of ammunition, a flexible corridor according to the invention comprises, at least at one of its ends, an adapter endpiece comprising a first part having, mainly , an inner diameter slightly greater than the outer diameter of the flexible lane and a second portion of inner diameter equal to that of the lane.

Selon une autre caractéristique permettant de solidariser deux parties de couloir non reliées entre-elles, un couloir selon l'invention comporte au moins un dispositif apte à ce dispositif comportant une plaque en forme de U dont la dimension entre les branches est égale ou légèrement supérieure à l'épaisseur du couloir et dont la largeur de la plaque est sensiblement la même que celle de deux tronçons disposés côte à côte, et qui comporte des rebords latéraux de sorte à former un élément apte à être clipser sur deux tronçons disposés côte à côte.According to another characteristic for securing two non-interconnected corridor portions, a corridor according to the invention comprises at least one device adapted to this device comprising a U-shaped plate whose dimension between the branches is equal to or slightly greater than to the thickness of the corridor and whose width of the plate is substantially the same as that of two sections arranged side by side, and which has lateral flanges so as to form an element adapted to be clipped on two sections arranged side by side .

D'autres avantages et caractéristiques apparaîtront dans la description d'un mode de réalisation particulier de l'invention au regard des figures suivantes :

  • La figure 1 montre un exemple de réalisation d'un couloir flexible pour munitions fabriqué en plastique par moulage,
  • Les figures 2a et 2b présentent la forme générale d'un tronçon utilisé dans le cadre de la figure 1,
  • La figure 2c présente un schéma de la projection des portions de paroi axiale et latérale d'un tronçon dans un plan transversal de ce tronçon,
  • La figure 3a montre un ensemble dudit couloir en vue de dessus alors que la figure 3b le montre en coupe selon le plan AA' de la figure 3a,
  • La figure 4 montre un schéma d'une vue de côté des 5 premiers ensembles du dudit couloir,
  • La figure 5a présente un schéma d'une vue de dessus d'un exemple de déformation des tronçons d'un ensemble,
  • La figure 5b présente un schéma d'une vue de côté d'un exemple de déformation de deux ensembles consécutifs,
  • La figure 6 montre un schéma en perspective d'un embout d'adaptation 30 utilisable pour solidariser le couloir 1 à certains types d'armes ou à certaines caisses de munitions,
  • La figure 7 présente un schéma d'une première partie, en l'occurrence une partie avant, d'un embout selon la figure 6.
  • La figure 8 présente un schéma d'une seconde partie, en l'occurrence une partie arrière, d'un embout 30 selon la figure 6,
  • La figure 9 montre un couloir en vue semi éclatée comportant un embout d'adaptation à chacune de ses extrémités libres, une bande de cartouches étant insérée à l'intérieur du couloir et des embouts,
  • Les figures10a et 10b montrent un exemple d'un dispositif 49 apte à réparer un couloir flexible selon l'invention en solidarisant deux parties de couloir non reliées entre-elles.
Other advantages and characteristics will appear in the description of a particular embodiment of the invention with regard to the following figures:
  • The figure 1 shows an exemplary embodiment of a flexible ammunition corridor made of plastic by molding,
  • The Figures 2a and 2b have the general shape of a section used in connection with the figure 1 ,
  • The Figure 2c presents a diagram of the projection of the axial and lateral wall portions of a section in a transverse plane of this section,
  • The figure 3a shows a set of said corridor in top view while the figure 3b shows it in section according to plan AA 'of the figure 3a ,
  • The figure 4 shows a diagram of a side view of the first 5 sets of the said corridor,
  • The figure 5a shows a diagram of a top view of an example of deformation of the sections of an assembly,
  • The figure 5b presents a diagram of a side view of an example of deformation of two consecutive sets,
  • The figure 6 shows a perspective diagram of an adapter tip 30 that can be used to secure the corridor 1 to certain types of weapons or to certain cases of ammunition,
  • The figure 7 presents a diagram of a first part, in this case a front part, of a mouthpiece according to the figure 6 .
  • The figure 8 presents a diagram of a second part, in this case a rear part, of a tip 30 according to the figure 6 ,
  • The figure 9 shows a semi-exploded corridor having an adapter end at each of its free ends, a strip of cartridges being inserted inside the corridor and end pieces,
  • The figures10a and 10b show an example of a device 49 adapted to repair a flexible corridor according to the invention by joining two parts of corridor not connected to each other.

La figure 1 montre un exemple de réalisation d'un couloir flexible pour munitions fabriqué en plastique par moulage.The figure 1 shows an exemplary embodiment of a flexible ammunition corridor made of plastic by molding.

Ce couloir 1 a une forme générale tubulaire de section rectangulaire de dimensions extérieures 25mm x 86mm, et d'une épaisseur des parois de 5mm présentant ainsi une cavité de section rectangulaire de dimensions 15mm x 76mm apte à permettre le passage de munitions de 7.62 montées sur maillon pour former une bande.This passage 1 has a generally tubular shape of rectangular section of external dimensions 25mm x 86mm, and a wall thickness of 5mm thus having a cavity of rectangular section of dimensions 15mm x 76mm able to allow the passage of munitions of 7.62 mounted on link to form a band.

Ce couloir flexible 1 est constitué principalement de tronçons successifs 2 reliés par des portions de parois 11, 13 au niveau de leurs faces transversales. Les figures 2a et 2b montrent la forme générale d'un tronçon utilisé dans cet exemple de réalisation de l'invention et, plus particulièrement respectivement un schéma d'une vue en perspective de l'une des faces transversales d'un tronçon 2 utilisé dans le cadre du couloir 1, et un schéma d'une vue en perspective de l'autre face transversale, ce tronçon 2 a une forme tubulaire rectangulaire d'axe G avec un premier et un second petits côtés parallèles 8, 18 reliés à un premier et un second grands côtés parallèles 9, 19 et une première et une seconde face transversales 10, 20 parallèles et destinées à être disposées en regard de tronçons différents. Les dimensions extérieures de ce tronçon sont de 25mm x 86mm, et la section des parois est d'environ 5mm x 5mm.This flexible passage 1 consists mainly of successive sections 2 connected by wall portions 11, 13 at their transverse faces. The Figures 2a and 2b show the general shape of a stretch used in this example of embodiment of the invention, and more particularly respectively a diagram of a perspective view of one of the transverse faces of a section 2 used in the context of the corridor 1, and a diagram of a perspective view of the Another transverse face, this section 2 has a rectangular tubular shape of axis G with a first and a second small parallel sides 8, 18 connected to a first and second long parallel sides 9, 19 and a first and second transverse faces 10 , 20 parallel and intended to be arranged opposite different sections. The outer dimensions of this section are 25mm x 86mm, and the wall section is approximately 5mm x 5mm.

La figure 2c montre une projection du tronçon 2 et des portions de paroi qui lui sont associées dans le plan transversal PT contenant sa face transversale 10 dont le centre est G, G étant aussi sur l'axe du tronçon de forme tubulaire et sur celui du couloir lorsqu'il est rectiligne. On constate que les projections 261, 262 perpendiculaires à Pt des portions de paroi axiale 111 et 112 sont totalement distinctes de celles 263, 264 des portions de paroi latérale 131 et 132 et toutes les projections de ces portions de paroi sont distinctes. En outre, G étant l'origine, les projections 263, 264 des portions de paroi latérale 131 et 132 sont respectivement décalées par rapport à celles des portions de paroi axiale 111 et 112 d'un angle α égal à π/2.The Figure 2c shows a projection of the section 2 and wall portions associated therewith in the transverse plane P T containing its transverse face 10 whose center is G, G being also on the axis of the tubular section and on the corridor when it is straight. It can be seen that the projections 26 1 , 26 2 perpendicular to Pt of the axial wall portions 11 1 and 11 2 are totally distinct from those 26 3 , 26 4 of the side wall portions 13 1 and 13 2 and all the projections of these portions. wall are distinct. In addition, G being the origin, the projections 26 March 26 4 for sidewall portions 13 1 and 13 2 are offset relative to those of the axial wall portions 11 1 and 11 2 of an angle α equal to π / 2.

Le couloir 1 selon ce mode de réalisation est constitué par une succession d'ensembles identiques tels que celui montré, en vue de dessus, sur la figure 3a et sur la figure 3b, en coupe selon le plan AA' de la figure 3a.The corridor 1 according to this embodiment is constituted by a succession of identical sets such as that shown, in plan view, on the figure 3a and on the figure 3b , in section according to plan AA 'of the figure 3a .

Chaque ensemble 12 est constitué d'un premier tronçon 21 et d'un second tronçon 22 disposés parallèlement et côte à côte de sorte que la surface transversale 101 du premier tronçon 21 soit en regard de la surface transversale 202 du second tronçon 22. Ces premiers et seconds tronçons 21, 22 sont solidarisés, d'une part, par une première portion de paroi axiale 111 reliant le premier grand côté 91 du premier tronçon 21 au premier grand côté 9 du second tronçon 22 et, d'autre part, par une seconde portion de paroi 112 reliant le second grand côté 191 du premier tronçon 21 au second grand côté 192 du second tronçon 22. Ces première et seconde portions de paroi axiale 111 et 112, ont une section transversale d'environ 5mm x 5mm et, longitudinalement une épaisseur d'environ 3mm.Each set 12 consists of a first section 2 1 and a second section 2 2 arranged parallel and side by side so that the transverse surface 10 1 of the first section 2 1 is opposite the transverse surface 2 of the second section 2 2 . These first and second sections 2 1 , 2 2 are secured, on the one hand, by a first axial wall portion 11 1 connecting the first large side 9 1 of the first section 2 1 to the first large side 9 of the second section 2 2 and on the other hand, by a second wall portion 11 2 connecting the second long side 19 1 of the first section 2 1 to the second long side 19 2 of the second section 2 2 . These first and second axial wall portions 11 1 and 11 2 , have a cross section of about 5mm x 5mm and longitudinally a thickness of about 3mm.

La figure 4 montre un schéma d'une vue de côté des 5 premiers ensembles 121, 122 123, 124, 125 du couloir 1. Le premier ensemble 121 est solidarisé au second ensemble 122, d'une part par une première portion de paroi latérale 131 reliant le premier petit côté 82 du second tronçon 22 du premier ensemble 121 au premier petit côté 81 du premier tronçon 21 du second ensemble 122 et, d'autre part, par une seconde portion de paroi latérale 132 reliant le second petit côté 182 du second tronçon 22 du premier ensemble 121 au second petit côté 181 du premier tronçon 21 du second ensemble 122.The figure 4 shows a diagram of a side view of the first 5 sets 12 1 , 12 2 12 3 , 12 4 , 12 5 of the corridor 1. The first set 12 1 is secured to the second set 12 2 , on the one hand by a first side wall portion 13 1 connecting the first small side 8 2 of the second section 2 2 of the first set 12 1 to the first small side 8 1 of the first section 2 1 of the second set 12 2 and, secondly, by a second side wall portion 13 2 connecting the second small side 18 2 of the second section 2 2 of the first set 12 1 to the second small side 18 1 of the first section 2 1 of the second set 12 2 .

Ainsi, à part pour les premier et dernier tronçons, chaque tronçon est relié, d'une part, à celui qui le précède par une première et une seconde portions de paroi axiales 111 et 112 reliant respectivement leurs premier et second grands côtés et, d'autre part, au tronçon qui lui succède par une première et une seconde portions de paroi latérale 131, 132 reliant respectivement leurs premier et second petits côtés latéraux.Thus, apart from the first and last sections, each section is connected, on the one hand, to the one preceding it by first and second axial wall portions 11 1 and 11 2 respectively connecting their first and second long sides and on the other hand, to the succeeding section by first and second side wall portions 13 1 , 13 2 respectively connecting their first and second small lateral sides.

Comme on peut le voir sur les figures 3a et 4, lesdits première et une seconde portions de paroi axiale 111 et 112 relient les grands côtés au niveau de leur partie médiane et lesdites première et une seconde portion de paroi latérale 131 et 132 relient les petits côtés aussi au niveau de leur partie médiane.As can be seen on the figures 3a and 4 said first and second axial wall portions 11 1 and 11 2 connect the long sides at their middle portion and said first and second side wall portions 13 1 and 13 2 connect the short sides also at their portion. median.

Les première et une seconde portions de paroi supérieure et inférieure 111 et 112 donnent la flexibilité au couloir dans le sens de la largeur du couloir, tandis que lesdites première et une seconde portions de paroi latérale 131 et 132 donnent la flexibilité au couloir dans le sens de l'épaisseur du couloir.The first and second upper and lower wall portions 11 1 and 11 2 provide flexibility to the corridor in the width direction of the corridor, while said first and second side wall portions 13 1 and 13 2 provide flexibility to the corridor. corridor in the direction of the thickness of the corridor.

Ainsi, comme montré sur la figure 3, au sein d'un même ensemble, les tronçons 21 et 22 sont séparés par des premières gorges 141 et 142 qui se font face et sont en forme de C par rapport à la matière formant l'ensemble et tandis que deux ensembles successifs sont séparés par des secondes gorges 151 et 152 qui se font face et sont en forme de U par rapport à la matière formant l'ensemble et. Ces premières et secondes gorges présentent chacune un plan de symétrie et le plan de symétrie des premières gorges 141 et 142 et perpendiculaire à celui des secondes gorges 151 et 152.So, as shown on the figure 3 within the same set, the sections 2 1 and 2 2 are separated by first grooves 14 1 and 14 2 which face each other and are C-shaped relative to the material forming the assembly and while two successive assemblies are separated by second grooves 15 1 and 15 2 which face each other and are U-shaped with respect to the material forming the assembly and. These first and second grooves each have a plane of symmetry and the plane of symmetry of the first grooves 14 1 and 14 2 and perpendicular to that of the second grooves 15 1 and 15 2 .

La figure 5a présente un schéma d'une vue de dessus d'un exemple de déformation des tronçons 21, 22 d'un ensemble 123. On constate que du fait :

  • des faibles dimensions des portions de paroi axiale 111 et 112 reliant les grands côtés de paroi générant les premières gorges 141 et 142 en forme de C
  • d'une certaine élasticité du matériau constitutif du couloir,
la position du premier tronçon 21 peut varier par rapport à celle du second tronçon 22 et plus particulièrement symétriquement par rapport à l'axe neutre longitudinal passant par lesdites portions de paroi axiale 111 et 112. Ainsi, l'extrémité 161, du grand côté 91 du premier tronçon 21 se retrouve contre celle 162 du second tronçon 22 tandis que l'extrémité 171 du grand côté 91 du premier tronçon 21 se retrouve à une distance plus importance de celle 172 du second tronçon 22, générant ainsi une courbure de cet ensemble dans le plan formé par les premier grand côté 9.The figure 5a shows a diagram of a top view of an example of deformation of the sections 2 1 , 2 2 of a set 12 3 . It can be seen that:
  • small dimensions of the axial wall portions 11 1 and 11 2 connecting the long wall sides generating the first grooves 14 1 and 14 2 C-shaped
  • a certain elasticity of the material constituting the corridor,
the position of the first section 2 1 may vary with respect to that of the second section 2 2 and more particularly symmetrically with respect to the longitudinal neutral axis passing through said axial wall portions 11 1 and 11 2 . Thus, the end 16 1 , the long side 9 1 of the first section 2 1 is found against that 16 2 of the second section 2 2 while the end 17 1 of the long side 9 1 of the first section 2 1 is found at a distance more important than that 17 2 of the second section 2 2 , thus generating a curvature of this set in the plane formed by the first long side 9.

La figure 5b présente un schéma d'une vue de côté d'un exemple de déformation de deux ensembles consécutifs 124, 125. On constate que du fait :

  • des faibles dimensions des portions de paroi latérale 131 et 132 reliant les grands côtés de paroi générant les secondes gorges 151 et 152 en forme de U
  • d'une certaine élasticité du matériau constitutif du couloir,
la position de l'ensemble 124 peut varier par rapport à celle de l'ensemble 125 et plus particulièrement symétriquement par rapport à l'axe neutre transversal passant par le centre desdites portions de paroi latérale 131 et 132. Ainsi, l'extrémité 214, du petit côté latéral 184 de l'ensemble 124 se retrouve contre celle 215, du petit côté latéral 85 de l'ensemble 125 tandis que l'extrémité 224 du petit côté latéral 184 de l'ensemble 124 se retrouve à une distance plus importance de celle 225, du petit côté latéral 85 de l'ensemble 125 générant ainsi une courbure de ces ensembles dans un plan perpendiculaire à celui formé par les premier grand côté 9.The figure 5b shows a diagram of a side view of an example of deformation of two consecutive sets 12 4 , 12 5 . It can be seen that:
  • small dimensions of the side wall portions 13 1 and 13 2 connecting the long wall sides generating the second grooves 15 1 and 15 2 U-shaped
  • a certain elasticity of the material constituting the corridor,
the position of the assembly 12 4 may vary relative to that of the assembly 12 5 and more particularly symmetrically with respect to the transverse neutral axis passing through the center of said side wall portions 13 1 and 13 2 . Thus, the end 21 4 of the small lateral side 18 4 of the assembly 12 4 is found against that 21 5 , the small lateral side 8 5 of the assembly 12 5 while the end 22 4 of the small lateral side 18 4 of the assembly 12 4 is found at a greater distance from that 22 5 , the small lateral side 8 5 of the assembly 12 5 thus generating a curvature of these sets in a plane perpendicular to that formed by the first large side 9.

Lorsque le couloir est plié, notamment dans le sens de la largeur, les extrémités 16, 21 se retrouvent en contact tandis que les autres extrémités 17,22 présentent un écart augmenté. Lorsqu'une bande est tractée, elle a tendance à prendre le plus court chemin, donc la bande de munition aura tendance à se mettre en appui sur le coté où les tronçons sont en contact les uns avec les autres. Par conséquent, la probabilité que la partie la plus sensible de la bande de munitions, soit le coté pointe des cartouches, se prenne dans les gorges entre les tronçons est quasiment nulle.When the corridor is folded, especially in the width direction, the ends 16, 21 are in contact while the other ends 17,22 have an increased gap. When a band is towed, it tends to take the shortest path, so the ammunition strip will tend to abut on the side where the sections are in contact with each other. Therefore, the probability that the most sensitive part of the ammunition strip, the tip side of the cartridges, gets into the grooves between the sections is almost zero.

Avec cette géométrie, un rayon de courbure de 110mm a été obtenu dans le sens de l'épaisseur du couloir et un rayon de courbure de 300mm dans le sens de la largeur du couloir.With this geometry, a radius of curvature of 110mm was obtained in the direction of the thickness of the corridor and a radius of curvature of 300mm in the direction of the width of the corridor.

Cependant, les rayons de courbure sont dépendants de la largeur des gorges entre chaque tronçon du couloir flexible.However, the radii of curvature are dependent on the width of the grooves between each section of the flexible corridor.

Bien évidemment, les armes et caisses à munitions existantes n'ont pas d'interface permettant de leur solidariser le couloir 1. Par conséquent une interface d'adaptation, appelé embout, est décrite dans la suite au regard des figures 6 à 8.Of course, the weapons and existing ammunition boxes have no interface to secure them to the corridor 1. Therefore an adaptation interface, called tip, is described in the following with respect to Figures 6 to 8 .

La figure 6 montre un schéma en perspective d'un embout d'adaptation 30 utilisable pour solidariser le couloir 1 à certains types d'armes ou à certaines caisses de munitions.The figure 6 shows a perspective diagram of an adapter tip 30 used to secure the corridor 1 to certain types of weapons or some boxes of ammunition.

Cet embout d'adaptation 30 pour couloir flexible 1 est de forme tubulaire rectangulaire avec :

  • une première partie 31 ayant, principalement, un diamètre interne légèrement supérieur au diamètre externe du couloir flexible,
  • une seconde partie 32 de diamètre interne égal à celui du couloir,
  • un épaulement 33 assurant l'interface entre des première et seconde parties 31,32.
This adapter piece 30 for flexible lane 1 is of rectangular tubular shape with:
  • a first portion 31 having, mainly, an inner diameter slightly greater than the outer diameter of the flexible lane,
  • a second portion 32 of internal diameter equal to that of the corridor,
  • a shoulder 33 providing the interface between first and second portions 31,32.

La figure 7 présente un schéma d'une première partie, en l'occurrence une partie avant, d'un embout 30 selon la figure 6. Cette première partie est constituée d'une tôle d'acier de 0.8 à 1.2mm d'épaisseur, de longueur supérieure à celle d'un ensemble 12 du couloir et de même forme périphérique que celle d'un tronçon 2 mais de diamètre intérieur au moins égal au diamètre extérieur d'un tronçon de sorte que ce dernier puisse pénétrer à l'intérieur.The figure 7 shows a diagram of a first part, in this case a front part, of a tip 30 according to the figure 6 . This first part consists of a steel sheet 0.8 to 1.2 mm thick, longer than that of a set 12 of the corridor and the same peripheral shape as that of a section 2 but of internal diameter at less equal to the outer diameter of a section so that the latter can penetrate inside.

Cette tôle comporte, sur chacun de ses grands côtés 34, quatre encoches longitudinales dont deux 35 d'un côté du grand côté et deux autres 36 de l'autre coté du grand côté de sorte à former deux plaques 37 d'environ 10mm x 10mm dont l'extrémité libre est courbée vers l'intérieur de sorte à former des griffes 38 et de sorte que la distance entre l'épaulement et la griffe soit légèrement supérieure à celle d'un ensemble. Ces griffes 38 sont chanfreinées sur leur partie basse extérieure. La longueur des encoches est suffisante pour donner une certaine élasticité aux dites plaques 37.This sheet has, on each of its long sides 34, four longitudinal notches, two of which on one side of the long side and two others 36 on the other side of the long side so as to form two plates 37 of approximately 10 mm × 10 mm. whose free end is bent inwards so as to form claws 38 and so that the distance between the shoulder and the claw is slightly greater than that of an assembly. These claws 38 are chamfered on their outer lower part. The length of the notches is sufficient to give some elasticity to said plates 37.

Ainsi, pour la solidarisation du couloir 1 et de cet embout, une extrémités du couloir flexible 1 est introduit à l'intérieur de la première partie 31 de l'embout de sorte que sa face transversale libre entre en contact avec l'épaulement 33. Dans cette position, les griffes 38 se retrouvent chacune dans une gorge, en l'occurrence les gorges 15 et l'absence de chanfrein sur la partie intérieur des griffes permet de bloquer le couloir dans cette position.Thus, for securing the passageway 1 and this endpiece, an end of the flexible passageway 1 is introduced inside the first portion 31 of the endpiece so that its free transverse face comes into contact with the shoulder 33. In this position, the claws 38 are each found in a groove, in this case the grooves 15 and the absence of chamfer on the inner part of the claws to block the corridor in this position.

Il est à noter que du fait desdits chanfreins sur la partie basse des griffes 38, ces dernières glissent sur les parties inférieures ou supérieures correspondantes du couloir lorsque ce dernier est introduit dans l'embout. Pour le retrait du couloir de l'embout, il suffit de tirer les extrémités libres 37 des quatre plaques 36, 37 vers l'extérieur de sorte à extraire les griffes 38 des gorges 15 et, simultanément, de retirer le couloir de l'embout.It should be noted that because of said chamfers on the lower part of the claws 38, the latter slide on the corresponding lower or upper parts of the corridor when the latter is introduced into the nozzle. For removal of the passageway of the end piece, it suffices to pull the free ends 37 of the four plates 36, 37 outwards so as to extract the claws 38 from the grooves 15 and, simultaneously, to remove the passage from the endpiece .

La figure 8 présente un schéma d'une seconde partie, en l'occurrence une partie arrière, d'un embout 30 selon la figure 6. Cette seconde partie 32 de l'embout, présentée sur la figure 8 a un diamètre interne sensiblement égal à celui du couloir 1 et comporte en outre des moyens de verrouillage de cet embout sur une arme ou sur une caisse de munition constitués d'une plaque saillante transversale inférieure 40 disposée sur son grand côté inférieur 41 et d'un tube 42 disposé sur son grand côté supérieur et possédant des échancrures 43 dans lesquelles sont introduits des éléments de targette 44 comme montré sur la figure 9. Ces moyens de verrouillage sont destinés à coopérer avec des moyens complémentaires non représenté situés sur l'arme ou sur la caisse de munitions.The figure 8 presents a diagram of a second part, in this case a rear part, of a tip 30 according to the figure 6 . This second part 32 of the mouthpiece, presented on the figure 8 has an inner diameter substantially equal to that of the passage 1 and further comprises means for locking this endpiece on a weapon or on an ammunition box consisting of a lower transverse projecting plate 40 disposed on its long lower side 41 and of a tube 42 disposed on its large upper side and having notches 43 into which are introduced bolt elements 44 as shown on the figure 9 . These locking means are intended to cooperate with complementary means not shown located on the weapon or the ammunition box.

Les figures10a et 10b montrent un exemple d'un dispositif 49 apte à réparer un couloir flexible selon l'invention en solidarisant deux parties de couloir non reliées entre-elles. Il est constitué d'une plaque 50 en forme de U dont la dimension entre les branches 51 est égale ou légèrement supérieure à l'épaisseur du couloir et dont la longueur des branches est légèrement inférieure à la moitié de la largeur du couloir moins la demi-largeur d'une portion de paroi axiale 11. La largeur de la plaque est sensiblement la même que celle de deux tronçons disposés côte à côte.The figures10a and 10b show an example of a device 49 adapted to repair a flexible corridor according to the invention by joining two parts of corridor not connected to each other. It consists of a U-shaped plate 50 whose dimension between the branches 51 is equal to or slightly greater than the thickness of the corridor and whose length of the branches is slightly less than half the width of the corridor minus half -width of an axial wall portion 11. The width of the plate is substantially the same as that of two sections arranged side by side.

Cette plaque 50 comporte des rebords latéraux 53, 54 de sorte à former un élément apte à être clipser sur deux tronçons disposés côte à côte.This plate 50 has lateral flanges 53, 54 so as to form an element adapted to be clipped on two sections arranged side by side.

En cas de détérioration du couloir flexible, accident, projectile ou éclat, celui-ci est parfaitement réparable en un temps très court.In the event of deterioration of the flexible corridor, accident, projectile or brightness, this one is perfectly repairable in a very short time.

Le mode opératoire pour la réparation est le suivant : on découpe les tronçons endommagés et les portions de paroi latérale 13 associés de sorte à placer de façon contigüe deux ensembles 12. Un premier dispositif 49 est positionné de façon à enserrer une première partie des tronçons situés face à face des deux ensembles contigües puis un second dispositif 49 est positionné de façon à enserrer une seconde partie des tronçons situés face à face des deux ensembles contigües, les premier et second dispositifs 49 se faisant face.The procedure for the repair is as follows: the damaged sections and the associated sidewall portions 13 are cut so as to contiguously place two sets 12. A first device 49 is positioned to grip a first portion of the sections located face-to-face of the two adjacent sets and a second device 49 is positioned so as to enclose a second portion of the sections located face to face of the two adjacent sets, the first and second devices 49 facing each other.

L'alimentation d'une bande munition à l'intérieur du couloir peut être réalisé manuellement ou à l'aide d'un dispositif tel, par exemple, que celui décrit dans la demande de brevet FR12 00275 déposée au nom de la demanderesse, publié comme FR 2 986 317 .The feeding of a munition strip inside the corridor can be carried out manually or with the aid of a device such as, for example, that described in the patent application. FR12 00275 filed on behalf of the plaintiff, published as FR 2 986 317 .

Bien évidemment, de nombreuses modifications peuvent être apportées à l'exemple de réalisation sans sortir du cadre de l'invention. Ainsi, les dimensions du couloir flexible peuvent être adaptées à celles des munitions utilisées et cette invention peut être déclinée sur tous les petits calibres montés sur maillons allant jusqu'à 12.7mm, voir les moyens calibres ainsi que les grenades encartouchées.Of course, many modifications can be made to the embodiment without departing from the scope of the invention. Thus, the dimensions of the flexible corridor can be adapted to those of the ammunition used and this invention can be declined on all small calibers mounted on links up to 12.7mm, see the calibres means and pellet grenades.

De plus, un couloir selon l'invention peut avoir une forme différente, par exemple trapézoïdale, ou elliptique. Si l'on connaît la courbure nécessaire et son ou ses sens, les portions de parois peuvent ne pas être placées dans la partie médiane des grands côtés et/ou dans la partie médiane des petits côtés afin de favoriser la flexibilité dans ce(s) sens et cette courbure et des décalages radiaux des portions de parois le long du couloir peuvent aussi être prévus.In addition, a corridor according to the invention may have a different shape, for example trapezoidal, or elliptical. If the necessary curvature and its sense (s) are known, the wall portions may not be placed in the middle part of the long sides and / or in the middle part of the short sides in order to promote flexibility in this (s). direction and this curvature and radial offsets of the wall portions along the corridor may also be provided.

Par ailleurs, les tronçons peuvent être réunis entre eux par plus d'une portion de parois par petit et/ou grand côté. En outre, sur tout ou partie du couloir, lesdites projections des portions de parois d'un tronçon peuvent être radialement décalées par rapport à celle du tronçon qui le précède ou qui lui succède, le décalage étant régulier ou pas le long du couloir.Moreover, the sections may be joined together by more than one portion of walls per small and / or large side. In addition, over all or part of the corridor, said projections of the wall portions of a section may be radially offset from that of the section which precedes or succeeds it, the offset being regular or not along the corridor.

Enfin, un couloir flexible selon l'invention peut avoir d'autres applications que l'alimentation d'une arme en munitions. En effet, un tel couloir peut être utlisé en association avec une chaîne d'entrainement flexible et sans fin et un ou plusieurs réceptacles, par exemple de type godet, pour l'alimentation régulière d'une machine en objets. La chaine peut par exemple être du type bande flexible comme celle décrite dans la demande de brevet PCT/FR2013/00027 , publié comme FR 2 986 317 sur laquelle sont fixés, préférentiellement de façon régulière, des godets. Un tel dispositif peut par exemple être utilisé pour alimenter en rivets un robot, l'une de ses extrémités étant reliée à un distributeur de rivets et l'autre à un bras robotisé 3D en charge d'assembler des pièces mécaniques.Finally, a flexible corridor according to the invention may have other applications than feeding a weapon with ammunition. Indeed, such a corridor can be used in combination with a flexible and endless drive chain and one or more receptacles, for example bucket type, for regular feeding of a machine into objects. The chain may for example be of the flexible strip type such as that described in the patent application PCT / FR2013 / 00027 , published as FR 2 986 317 on which are fixed, preferably regularly, buckets. Such a device may for example be used to feed rivets a robot, one of its ends being connected to a rivet distributor and the other to a 3D robotic arm in charge of assembling mechanical parts.

Claims (12)

  1. A flexible chute (1) for ammunition comprising successive sections (2) linked by wall portions (11, 13) at the transverse faces thereof and comprising at least one tubular section (2) of axis G, with a first wall portion (111, 112) integral with one of its two transverse faces and a second wall portion (131, 132) integral with the other transverse face, characterized in that the projections (261, 262, 263, 264) of these wall portions, perpendicularly to a transverse plane of the section, are at least partly distinct.
  2. The flexible chute according to claim 1, characterized in that said projections (261, 262, 263, 264) are entirely distinct.
  3. The flexible chute according to claim 2, characterized in that said projections (261, 262, 263, 264) are radially offset by an angle between π/9 and 8π/9, and preferably between π/3 and 2π/3, the origin of the radius being the center G.
  4. The flexible chute according to claim 1, comprising successive sections (2) linked by wall portions (111, 112, 131, 132) at their transverse faces (10, 20), characterized in that it comprises at least one tubular section (2) comprising at least an upper long side (9), a lower long side (19) and two smaller lateral sides (8, 18), and in that this section (2) comprises, on a first transverse face (20), at least one wall portion (131, 132) only on at least one of said lateral sides and, on its second transverse face (10), at least one or more wall portions (111, 112) only on one of the upper and lower long sides (9, 19) or both.
  5. The flexible chute according to claim 1, comprising successive sections linked by wall portions at their transverse faces (10, 20), characterized in that it comprises at least first, second and third successive tubular sections (2) comprising at least an upper long side (9), a lower long side (19) and two smaller lateral sides (8, 18), and such that the first section is linked to the second section only by one or several axial wall portions (111) on each of the transverse faces of their lower and/or upper long sides facing each other, while the second section is linked to the third section only by one or more lateral wall portions (131) on each of the transverse faces of their smaller lateral sides facing each other.
  6. The flexible chute according to any of claims 1 to 5, characterized in that it comprises at least first and second successive assemblies (121, 122) each having first and second tubular successive sections (21, 22) comprising at least an upper long side (91, 92) and a lower long side (191, 192) and two smaller lateral sides (81, 82, 181, 182), and such that the first section (21) is made integral with the second section (22) only by one or more axial wall portions (111, 112) on each of the transverse faces (101, 202) of their lower and upper long sides, and in that the first assembly (121) is made integral with the second assembly (122) only by one or more lateral wall portions (131, 132) on each of the transverse faces (102, 201) of their smaller lateral sides.
  7. The flexible chute according to any of claims 1 to 6, characterized in that each of the sections (2) has a thickness, measured lengthwise, lower than 2 cm and preferably between 0.3 and 1 cm.
  8. The flexible chute according to any of claims 1 to 7, characterized in that the lateral wall portions (131, 132) are concentrated in the middle part of the transverse faces (102, 201) of said small sides (81, 82, 181, 182) and/or the axial wall portions (111, 112) are concentrated in the middle part of the transverse faces (101, 202) of said long sides (91, 92, 191, 192).
  9. The flexible chute according to any of claims 1 to 8, characterized in that it is monobloc, for example, made of plastic or elastomer.
  10. The flexible chute according to any of claims 1 to 9, characterized in that it comprises, at least at one of its ends, an adaptation tip (30) comprising a first part (31), having mainly an inner diameter slightly greater than the outer diameter of the flexible chute and a second part (32) with an inner diameter equal to that of the chute.
  11. The flexible chute according to any of claims 1 to 9, characterized in that it comprises at least one device (49) able to make integral with each other two non-linked chute parts, this device comprising a U-shaped plate (50), the size between the branches (51) of which is equal or slightly greater than the thickness of the chute, and the width the plate is substantially equal to that of two sections arranged side-by-side, and which comprises lateral edges (53, 54) so as to form a component to be clipped on two sections arranged side-by-side.
  12. Application of a flexible chute according to any of claims 1 to 11 to the supply of ammunition of a weapon.
EP13780178.3A 2012-09-19 2013-09-19 Flexible chute Active EP2898283B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP16000275.4A EP3043140B1 (en) 2012-09-19 2013-09-19 Flexible chute for regular feeding of objects to a machine

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1202485A FR2995675B1 (en) 2012-09-19 2012-09-19 FLEXIBLE CORRIDOR FOR AMMUNITION
PCT/FR2013/000248 WO2014044931A1 (en) 2012-09-19 2013-09-19 Flexible chute, in particular for ammunition

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP16000275.4A Division EP3043140B1 (en) 2012-09-19 2013-09-19 Flexible chute for regular feeding of objects to a machine

Publications (2)

Publication Number Publication Date
EP2898283A1 EP2898283A1 (en) 2015-07-29
EP2898283B1 true EP2898283B1 (en) 2016-03-09

Family

ID=47750732

Family Applications (2)

Application Number Title Priority Date Filing Date
EP16000275.4A Active EP3043140B1 (en) 2012-09-19 2013-09-19 Flexible chute for regular feeding of objects to a machine
EP13780178.3A Active EP2898283B1 (en) 2012-09-19 2013-09-19 Flexible chute

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP16000275.4A Active EP3043140B1 (en) 2012-09-19 2013-09-19 Flexible chute for regular feeding of objects to a machine

Country Status (12)

Country Link
US (1) US9366490B2 (en)
EP (2) EP3043140B1 (en)
AU (1) AU2013320065B2 (en)
BR (1) BR112015005928B1 (en)
CA (1) CA2884335C (en)
ES (2) ES2654244T3 (en)
FR (1) FR2995675B1 (en)
IL (1) IL237799B (en)
RU (1) RU2630874C2 (en)
SG (1) SG11201502144XA (en)
WO (1) WO2014044931A1 (en)
ZA (1) ZA201501849B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL258680A (en) * 2018-04-12 2018-05-31 Atias Eliran Ammunition storage and feeding system
TR202003488A2 (en) * 2020-03-06 2021-09-21 Stg Muehendislik Stratejik Teknolojiler Gelistirme Ve Ueretim Anonim Sirketi Flexible ammunition feed chute and ammunition box connection system
FR3132755A1 (en) * 2022-02-16 2023-08-18 Nexter Systems Attachment device for attaching a flexible ammunition channel to a weapon

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US2419315A (en) * 1941-10-27 1947-04-22 Hughes Tool Co Flexible chute
US2378652A (en) * 1942-09-22 1945-06-19 Seeger Refrigerator Co Flexible chute
US2351370A (en) * 1942-11-30 1944-06-13 Waldes Kohinoor Inc Chute
US2473716A (en) * 1943-05-25 1949-06-21 Howard B Lewis Flexible ammunition chute
US2477264A (en) * 1944-05-13 1949-07-26 Hughes Tool Co Flexible feed chute
US2488679A (en) * 1944-11-23 1949-11-22 Warren H Nobles Flexible chute
US2596252A (en) * 1949-10-24 1952-05-13 Kolehmainen Elmar Ammunition link ejection chute
US2838154A (en) * 1956-07-26 1958-06-10 Armament Components Inc Flexible conveyer chute
US2890779A (en) * 1958-03-07 1959-06-16 Townsend Engineered Products I Flexible conveyer chute
US2953230A (en) * 1959-02-16 1960-09-20 Townsend Engineered Products I Flexible conveyor chute with onepiece links
US3250360A (en) * 1963-11-01 1966-05-10 Standard Armament Inc Flexible chuting
US3307452A (en) * 1965-06-09 1967-03-07 Meunier Robert One-piece chuting
US3435937A (en) * 1966-12-30 1969-04-01 Gen Electric Flexible one-piece chute
IT1284722B1 (it) * 1996-08-02 1998-05-21 Augusta Spa Dispositivo di alimentazione di munizioni ad un'arma imbarcata su un aeromobile, ed aeromobile provvisto di tale dispositivo.
DE10344027A1 (en) 2003-09-23 2005-05-04 Heckler & Koch Gmbh Ammunition conveyor chain
US7049521B2 (en) * 2004-03-30 2006-05-23 Panduit Corp. Flexible wiring duct
US8356539B2 (en) * 2010-07-27 2013-01-22 Gonzalez Xavier G Ammunition feed chute
US8752466B1 (en) * 2011-12-07 2014-06-17 Here Be Dragons Llc Modular ammunition feed chute
FR2986317B1 (en) 2012-01-31 2015-04-03 France Etat DRIVE DEVICE FOR INTRODUCING A FLEXIBLE OBJECT INSIDE A CONDUIT

Also Published As

Publication number Publication date
AU2013320065B2 (en) 2017-03-09
BR112015005928A2 (en) 2017-07-04
EP2898283A1 (en) 2015-07-29
ZA201501849B (en) 2015-12-23
WO2014044931A1 (en) 2014-03-27
EP3043140B1 (en) 2017-10-25
CA2884335A1 (en) 2014-03-27
BR112015005928B1 (en) 2022-01-04
EP3043140A1 (en) 2016-07-13
ES2654244T3 (en) 2018-02-12
SG11201502144XA (en) 2015-05-28
ES2570358T3 (en) 2016-05-18
RU2630874C2 (en) 2017-09-13
IL237799B (en) 2019-07-31
IL237799A0 (en) 2015-05-31
AU2013320065A1 (en) 2015-04-09
FR2995675B1 (en) 2014-09-12
CA2884335C (en) 2020-03-24
US20150233658A1 (en) 2015-08-20
US9366490B2 (en) 2016-06-14
FR2995675A1 (en) 2014-03-21
RU2015112835A (en) 2016-11-10

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