• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    The invention relates to a sheathed spotlight projectile (1) refined and medium caliber weapons comprising a metal core (3), comprising a spotlight device (4), preferably in the form of a pyrotechnic spotlight kit, arranged in a cavity (5) in the rear part, designed to prevent the track 4) the metal core (3) of the projectile (1), the cavity (5) being released from the cavity (5) during the launch phase of the spotlight projectile (1). Characteristic is that the cross-sectional area S1¿ of the cavity (5) is polygonally designed. The invention also relates to a method for pre-applying the track light device (4) in the track light projectile (1). Fig. 1
    公开号:SE1530042A1
    申请号:SE1530042
    申请日:2015-04-01
    公开日:2016-10-02
    发明作者:Andersson Ke；Bärjstätt Andreas；Johansson Henrik；Norum Lina
    申请人:Nammo Vanäsverken Ab；
    IPC主号:
    专利说明:

    15 20 25 30 35 _2_ high compression pressures acting on the core of the projectile, caused by high frictional forces between the barrel of the barrel and the projectile shell and high rotational forces ~ on the projectile caused by the barrel of the barrel during the acceleration phase of the projectile.
    Vigorous rotation of the projectile and lead to the whole release bad track light set inertia can or parts of the track light set when attaching Also vibrations in the weapon's barrel, said jump, lead to Barrel jump caused the track light set. called the barrel spotlight kit. releases of vibrations in the barrel in the axial direction and / or in the radial direction, which depend on factors such as rate of fire, center of gravity and strength. A further problem with said track light projectiles is the number of parts used, for attaching the light kit, and for protecting the jacket from combustion gases and against other external influences, such as moisture, which makes the track light projectile complicated and expensive.
    OBJECT OF THE INVENTION AND ITS FEATURES A principal object of the present invention is a track light projectile for fine and medium caliber weapons comprising a pyrotechnic track light kit designed to reduce the risk of a pyrotechnic track light kit, in whole or in part, releasing from attachment to the projectile.
    A further object of the present invention is a track light projectile with few or no additional components for attaching the track light kit, and for protecting the shell of the projectile.
    The said objects, as well as other objects not listed here, are met in a satisfactory manner, by what is stated in the independent patent claims. 1325 SE original PRV (2015-04-01) 10 15 20 25 30 35 _3_ Preferred embodiments of the invention are stated in the dependent claims.
    Thus, according to the present invention, there has been provided a sheathed track light projectile with a metal core for fine and medium caliber weapons, comprising a track light device disposed in a cavity with a cross section S1 in the metal core of the projectile rear, the cavity being formed for high attachment. the cavity.
    Characteristic of the spotlight projectile is that the cross-section of the cavity SL; is polygonally designed for high attachment to the inner walls of the cavity.
    Further aspects of the track light projectile according to preferred embodiments of the invention are given below: According to an embodiment of the track light projectile, the cross-sectional area S1 of the hollow space is hexagonally designed.
    According to one embodiment of the track light projectile, the cavity has the shape of a star-shaped hexagonal recess.
    According to one embodiment of the track light projectile, the track light device is a pyrotechnic track light kit.
    According to one embodiment of the track light projectile, the inner surface of the cavity has a surface roughness (Ra) in the range 0.2-3.2.
    According to an embodiment of the track light projectile, the cavity is conical in axial direction, in the projectile, with a cone angle a in the interval O.2 ° -10 1325 SE original PRV (2015-04-01) 10 15 20 25 30 35 According to an embodiment of the 11 track light projectile includes the metal core steel.
    According to the present invention, there has also been provided a method of applying a pyrotechnic track light kit to a jacketed track light projectile comprising a metal core.
    The method is characterized by the following three steps: a cross section Sli the metal core, l / Machining of cavity with polygonal to a 0.2-3.2, 2 / Machining of the cavity (Ra) in inner walls predetermined surface roughness range 0.5-1.5. 3 / Application of the track light kit in the cavity via a e.g. pressing procedure.
    Hereinafter, further preferred embodiments of the method according to the invention are given: According to an embodiment of the method, the machining of the polygonally designed cavity in the metal core is carried out by hot-forming technique. entails a number of advantages and effects of the invention, the most important of which are: The design of the hollow space prevents the spotlight set, completely the projectile rotates sharply during the launch phase. or partially releases from attachment when the Hollow Space design means that no additional components are required for secure attachment of the track light kit.
    The design of the cavity allows a simple and safe manufacturing process at a cost. the projectile was 1325 SE original PRV (2015-04-01) 10 15 20 25 30 35 Further advantages and effects of the invention will become apparent upon study and consideration of the following, detailed description of the invention with simultaneous reference to the drawing figures 1-3 there; Fig. 1 schematically shows a longitudinal section of a fully jacketed track light projectile, comprising a metal core and a pyrotechnic track light set arranged in a cavity in the rear part of the track light projectile.
    Fig. 2 schematically shows a cross section of a track light projectile according to Fig. 1, with a first embodiment of the cavity.
    Fig. 3 shows a cross-section of a track light projectile according to Fig. 1, schematically with, a second embodiment of the cavity.
    DETAILED DESCRIPTION OF DESIGN The track light projectile 1 according to the invention is intended for fine and medium caliber weapons, preferably for calibers up to and including 1.2.7x99 mm.
    Figure 1 shows a longitudinal section of a fully jacketed track light projectile 1 comprising a mesh core 3 and a pyrotechnic track light set 4 arranged in a cavity 5 in the rear part of the projectile 1. The track light projectile 1 also comprises a ballast, not shown, arranged in front of the track light set 4 consisting of, for example, copper or lead. track light projectile 1 According to a preferred lead-free. not shown, embodiment is According to a further embodiment, the projectile 1 is designed with transverse grooves in order thereby to achieve instability in the flight path and thus. a shortened flight path, via the so-called The Magnus effect. 1325 SE original PRV (2015-04-01) 10 15 20 25 30 35 _6_ The track light projectile 1 according to Fig. 1. has a diameter D, and is, preferably, designed with a pointed front and a flat rear. The track light projectile 1 comprises a substantially comprehensive cover 2 with the jacket thickness t, a metal core 3 and a track light device 4 arranged in the cavity 5 in the metal core 3 in the rear part of the projectile 1, the cavity being preferably elongated with the length L.
    In an alternative embodiment, the projectile 1 is designed so-called boat-tail, no air resistance longer flight path for the projectile 1. with pointed rear part, shown, to achieve lower and thus a direct- means that the projectile] _ lights The pyrotechnic track light kit 4 is, of so-called which directly from the moment the projectile 1 leaves an igniting type of weapon, barrel muzzle. The pyrotechnic track light kit 4 is of a conventional type and is therefore not discussed in more detail in the following description.
    In an alternative embodiment, other types of track light devices can be used, such as for example laser and / or electrically based track light sources.
    The jacket of the projectile 1 (compare, for example, the jacket 2 in Figs. 1-3) is, preferably, made of steel. Alternatively, the jacket 1 may also comprise metals, such as copper and / or zinc. The metal core 3 of the projectile 1 is, preferably, made of a steel material.
    According to a preferred embodiment, the hollow roller 5 of the projectile 1 is formed with a polygonal cross-section S1. In one embodiment, the cross-sectional area SL2 is hexagonally designed.
    The cross-sectional area S1¿ can also have other polygonal shapes, such as, for example, star shape. In one embodiment, the cavity 5 has the shape of a star-shaped hexagonal recess, corresponding to an Allen hole, also called a torx. 1325 SE original PRV (2015-04-01) 10 15 20 25 30 35 _'7_ The cavity should be in the range 0.2-3.2, attachment / adhesion of 5 surface roughness (Ra) preferably in the range 0.5-1.5 for the best hole- Ra denotes the arithmetic mean of lie in the track light set 4 in the space 5. all deviations from a straight center line.
    In order to further improve the adhesion of the track light set 4 to the inner wall (s) of the cavity 5, the cavity 5 is slightly conical, in the axial direction of the projectile, with. a cone angle α in the range 0-1 °, preferably in the range 0.2-1 °.
    According to one embodiment, the front end of the cavity 5, closest to the front of the projectile 1, is obtuse or slightly conical in the direction of the front of the projectile 1 with a cone angle ß in the range 0-25 °, e.g. 10-15 °. that the flat rear part of the projectile 1 so that the jacket 2 thereby shows Figure 1 that the jacket 2 is folded over covers 10-25% of the flat rear part of the projectile l. The jacket 2 is folded over the flat rear part, preferably, via a bending or shrinking method. and 3 the two shapes of the projectile's cavity 5.
    Figure 2 shows the alternative embodiments Figure 2 shows the first embodiment with a hexagonally designed cross-sectional area S1, wherein cross-sectional area S1 has a maximum width (B1) of 4.8 mm and a minimum width (B2) of 2.55 mm. star-shaped cross-sectional area S2, (39 Figure 3 shows the second embodiment with a wherein cross-sectional area S2 here has a maximum width width (B4) of 1.55 mm. of 5.8 mm and a minimum Track light set 1 is applied in the projectile 1 via a three-step method comprising: 1 / Machining of a polygonally designed cavity 5 directly in the metal core 3 in the rear, via a projectile 1 preferably, 1325 SE original PRV (2015-04-Ol) 10 15 20 25 30 35 _8_ cold forming technology, alternatively via hot forming technology or via laser machining. Machining of the inner walls of the cavity 5 to a predetermined surface evenness (Ra) a blasting process, in the range 0.2-3.2 via a polishing and / or and finally 3 / Application of the pyrotechnic tracer set 4 directly into the cavity 5, preferably via a pressing procedure.
    Alternatively, the powder pyrotechnic track light kit may be replaced by a track light device 4 comprising one or more LEDs.
    The invention is not limited to the embodiments shown but can be varied in various ways within the scope of the claims. 1325 SE original PRV (2015-04-01)
    权利要求:
    Claims (3)
    [1]
    Track light projectile (1), for fine and medium caliber weapons, comprising a sheathed 1325 SE original PRV. Track light projectile (1) metal core (3) (4) arranged in a hollow space 1 rear part, comprising a track light device (5) in the mesh core ( 3) in the projectile, whereby the cross section S1¿ of the cavity (5) has a polygonal shape for increased attachment between the track light set (4) and the cavity (5). Track light projectile (1) according to claim 1, wherein the cross section S1 of the hollow space (5) has a hexagonal shape. Track light projectile (1) according to claim 1, wherein the cavity (5) has the shape of a star-shaped hexagonal recess. . Track light projectile (1) according to claim 1, wherein the heel space (5) has a surface smoothness (Ra) in the range 0.2-3.2. . Track light projectile (1) according to claim 1, wherein the cavity (5) is conically shaped in the axial direction, in the projectile, with a cone angle α in the range O.2 ° -1.0 °. . Tracklight projectile (2) according to claim 1, wherein the tracklight device (4) is a pyrotechnic tracklight set. . Track light projectile (1) according to claim 1, wherein the jacket (2) comprises a mixture of copper and zinc. wherein according to claim 1, the metal core (3) comprises steel. (2015-04-01) 10 15 20 25 30 35 _l0_
    [2]
    Method for applying a track light device (4) in a track light projectile (1) with a metal core (3) comprising a cavity (5), the method comprising the following three steps: Machining a cavity (5) with polygonal cross-section S1 in the rear part of the metal core (3). Machining the inner walls of the cavity (5) to a predetermined surface roughness (Ra) in the range 0.2-
    [3]
    3.2. Application of the spotlight kit (4) in the polygonally designed cavity (5) via a pressing method. Method according to claim 9, wherein the machining of the cavity (5) is carried out by thermoforming technique. 1325 SE original PRV (2015-04-01)
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    同族专利:
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    SE538646C2|2016-10-11|
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    EP3278054B1|2019-10-23|
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    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
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    US8007608B1|2004-12-27|2011-08-30|Kilgore Flares Co., LLC|Infrared tracer composition and tracer projectile|
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    CH708412A2|2013-07-31|2015-02-13|Alpha Velorum Ag|Projectile with improved coverage.|US8048315B2|2008-07-28|2011-11-01|Pall Corporation|Fluid treatment arrangements and methods|
    WO2020068288A2|2018-08-13|2020-04-02|Ammo Technologies, Inc.|Methods of mass-producing luminescent projectiles and luminescent projectiles mass-produced thereby|
    US11156442B1|2018-10-11|2021-10-26|U.S. Government As Represented By The Secretary Of The Army|Dynamic instability reduced range round|
    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    SE1530042A|SE538646C2|2015-04-01|2015-04-01|Track light projectile and method of applying a track light device to a track light projectile|SE1530042A| SE538646C2|2015-04-01|2015-04-01|Track light projectile and method of applying a track light device to a track light projectile|
    PCT/SE2016/000015| WO2016159855A1|2015-04-01|2016-03-29|Tracer projectile and method for the application of a tracer device in a tracer projectile|
    US15/562,436| US10139208B2|2015-04-01|2016-03-29|Tracer projectile and method for the application of a tracer device in a tracer projectile|
    EP16773562.0A| EP3278054B1|2015-04-01|2016-03-29|Tracer projectile and method for the application of a tracer device in a tracer projectile|
    ES16773562T| ES2758302T3|2015-04-01|2016-03-29|Tracer shell and method for applying a tracer device to a tracer shell|
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