EP2792993A1 - Projectile - Google Patents

Projectile Download PDF

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Publication number
EP2792993A1
EP2792993A1 EP20130163750 EP13163750A EP2792993A1 EP 2792993 A1 EP2792993 A1 EP 2792993A1 EP 20130163750 EP20130163750 EP 20130163750 EP 13163750 A EP13163750 A EP 13163750A EP 2792993 A1 EP2792993 A1 EP 2792993A1
Authority
EP
European Patent Office
Prior art keywords
projectile
tail
notches
lead
bows
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP20130163750
Other languages
German (de)
English (en)
Other versions
EP2792993B1 (fr
Inventor
Wolfgang Schmid
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.)
H KRIEGHOFF GmbH
Original Assignee
H KRIEGHOFF GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by H KRIEGHOFF GmbH filed Critical H KRIEGHOFF GmbH
Priority to EP13163750.6A priority Critical patent/EP2792993B1/fr
Publication of EP2792993A1 publication Critical patent/EP2792993A1/fr
Application granted granted Critical
Publication of EP2792993B1 publication Critical patent/EP2792993B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42AMMUNITION; BLASTING
    • F42BEXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B12/00Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material
    • F42B12/02Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect
    • F42B12/34Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect expanding before or on impact, i.e. of dumdum or mushroom type

Definitions

  • the invention relates to a bullet formed from a material consisting of a copper-zinc-lead-tin alloy with a projectile nose, with a bullet tail axially spaced from the bullet through a puncture, which is associated with a sharp edge, with a plurality of guide belts, which are formed on the projectile, with a the bolus of the projectile bow favoring, penetrating the Geunterbug longitudinal bore, and with a plurality of extending on the outer surface of the bullet, the formation of bullet flags favoring notches.
  • the main purpose of a projectile used hunting is to kill the shot wild as quickly as possible and avoiding agony.
  • a poorly targeted shot that does not kill the shot wild immediately, there is the problem that the wounded wild can escape and without uncomfortable perish.
  • projectiles which partially disassemble on impact, but the individual fragments are an inhomogeneous Have size distribution.
  • partial fragmentation increases the radius of action, the individual partial fragments act as additional secondary projectiles inside the body, destroying, for example, organs that are not located directly in the firing channel.
  • the depth of penetration and the cross section of the partial fragments depends essentially on their size and shape.
  • the shape of the splitter determines the course of the secondary storey channels.
  • fragments which have a low weight there is also the problem that their finding in the bombarded body is very cumbersome, but this is indicated in particular in the use of lead ammunition for health reasons.
  • lead-free projectiles are increasingly being used to avoid contamination of lead by consumers and for further environmental protection reasons, in particular copper and brass alloys which have a high proportion of copper - so-called Tombak - are used.
  • the invention has for its object to reduce the above-mentioned disadvantages.
  • a projectile of the type mentioned In order to favor the formation of projectile flags serving as secondary projectiles, those running on the outer surface of the projectile bows are Notches provided, which serve in cooperation with the longitudinal bore as predetermined breaking points and result in banana-shaped bullet lobes. Through the puncture, which separates the bullet from the bullet tail, the bullets can tear inside the body and serve as secondary bullets.
  • a copper-zinc-lead-tin alloy in particular, it is ensured that running deposits are reduced when using the projectile. These are further reduced by the use of the guide bands, since now the projectile comes primarily with these on the inside of the run plant.
  • the sharp edge ensures that through the bullet tail, which enters the bombarded body, hair, so-called cut hairs are punched out of the bombarded body and forms a welding mark, which facilitates a possible Nachsuche.
  • the notches have a V-shaped form formed by a first leg and a second leg.
  • the V-shaped shape ensures, in particular, that the notches serve as a predetermined breaking point, which has a positive effect on the formation of the projectile lugs.
  • such a V-shaped form can be easily produced mechanically by machining, which in turn has a positive effect on the manufacturing cost of the projectile according to the invention.
  • the fracture cross section defined by the distance between the longitudinal bore and the individual notches increases in the direction of the projectile tail.
  • this also ensures that the time of mushrooming and thus also the time of formation of the projectile flags as a function of the penetration depth can be selectively varied.
  • the projectile lugs form and tear off, for example, only when the bombarded body has a sufficient thickness. If, for example, a hare is shot at with the projectile according to the invention, then the bullet is merely mushroomed, the projectile lugs remain on the projectile bow, which then emerges from the body as an extension of the projectile path.
  • the bullet of the invention can be used very versatile and used for hunting purposes on a variety of game and shoot. This eliminates in particular the need to carry weapons of different caliber.
  • the notches are provided in triplicate and regularly distributed over the outer circumference of the bullet. This results in three equal projectile flags, which have a sufficient mass to positively influence the depth effect of the projectile according to the invention and in particular the projectile flags.
  • the ratio of the mass of the projectile tail to the mass of the projectile bow originates from an area which lies between 4: 3 and 8: 3 and is particularly preferably 6: 3.
  • secondary bullets are generated, which can penetrate due to their mass sufficiently deep into the body, which has a positive effect on the mortality of the projectile.
  • the bullet tail has sufficient kinetic energy in order to be able to penetrate the body and to form a welding mark at the exit of the residual body formed by the bullet tail.
  • the length of the axial component of the notches on the projectile bight is shorter than the length of the projectile bows.
  • the diameter of the projectile bows is equal to or smaller than the diameter of the projectile tail. This ensures, in particular, that the sharp edge associated with the bullet tail becomes effective upon entering the body, whereby hair tufts are punched out of the bombarded body.
  • the projectile bow in the region of the recess is assigned a chamfer.
  • the tearing off of the projectile lugs is favored, since the fracture cross-section is reduced locally by the chamfer.
  • the core diameter of the projectile tail subcaliber and the outer diameter of the guide belts are formed over caliber. This ensures that the contact surface of the projectile is minimized in the run, whereby material deposits are reduced in the run.
  • diameter tolerances of the barrel can be compensated for by the over-caliber guide belts without significant increases in gas pressure. This has a positive influence on the projectile velocity, which in turn has a positive effect on the trajectory of the projectile. In addition, this reduces the maintenance and cleaning costs of the projectile firing weapon and increases their longevity.
  • the lead content of the copper-zinc-lead-tin alloy comes from a range of between 0 and 10% and particularly preferably 3%
  • the zinc content of the copper-zinc-lead-tin alloy is Alloy comes from a range which is preferably between 10 and 45%, preferably between 30 and 40%, and is particularly preferably 36%
  • the tin content of the copper-zinc-lead-tin alloy comes from a range which is preferably between 0 and 10% if the proportion of foreign metal additions is below 1% and if the proportion of copper is formed by the 100% missing components.
  • the choice of the lead content in the aforementioned amount in particular it is ensured that contamination of the bombarded body by lead is prevented, since this is firmly incorporated into the crystal structure of the alloy.
  • the addition of lead can improve the sliding properties of the projectile in the barrel, which reduces the deposits within the barrel.
  • the sharp edge is formed on the end of the projectile tail facing the recess. This has particular manufacturing advantages, since in the production of the recess the sharp edge can be formed simultaneously, which can reduce the manufacturing cost and thus the manufacturing cost of the projectile according to the invention.
  • the ratio of the outer diameter of the guide belts to the core diameter of the projectile tail is in a range between 1.005 and 1.100, and is particularly preferably 1.028.
  • the axial extent of the Guide belts in a range between 0.1 and 1.0 mm and is more preferably 0.3 mm. Again, a compromise between minimized running deposit and optimal leadership property for the transmission of strip forces must be realized, which is given by the aforementioned range.
  • FIG. 1 shows an unsectioned side view of an inventive projectile 1, which consists of a bullet tail 2 and a bullet 3.
  • the projectile bend 3 penetrates a longitudinal bore 4 which, in conjunction with notches 5 extending on the outer surface of the projectile bump 3, causes the projectile baffle 3 to initially mold when the projectile 1 encounters a body and form projectile baffles 6 through the notches 5 serving as predetermined breaking points which tear off from the projectile tail 2 and enlarge the cross-section as secondary projectiles in the bombarded body.
  • the notches 5 have a V-shaped form, which are formed by a first leg 7 and a second leg 8, wherein between the first leg 7 and the second leg 8, an angle is formed, which is in the illustrated embodiment at 90 ° ,
  • a recess 9 is formed, which axially spaced the projectile 3 from the bullet tail 2.
  • a sharp edge 10 is formed at the recess 9 facing the end of the projectile tail 2, which ensures that the penetrating into the body bullet, especially the bullet tail, punching hair of the animal body, which remain at the Anschuss and the shooter on signs give the hit seat, which facilitates a possible search.
  • the projectile tail 2 is formed underkalibrig in the embodiment shown and has over-caliber guide belts 11, which come in the firing to the plant to the inside of the barrel.
  • the friction of the projectile 1 is reduced in the run, whereby running deposits are reduced and extend the required cleaning intervals.
  • the projectile 1 is formed from a copper-zinc-lead-tin alloy, wherein in the illustrated embodiment, the zinc content is 36%, the lead content is 3%, the tin content is 0% and the copper content is 61%.
  • the ratio of the outer diameter of the guide belts 11 to the outer diameter of the projectile tail 2 which is in a range between 1.005 and 1.100, in the embodiment shown at 1.028.
  • the axial extent of the guide belts 11 is in a range between 0.1 and 1.0 mm.
  • FIG. 3 shows a plan view of the Geunterbug 3 of the projectile according to the invention 1. It can be clearly seen that the V-shaped notches 5 are provided in triplicate and regularly distributed over the outer periphery of the projectile 3. Furthermore, from the FIG. 3 it can be seen that the notches 5 at the top of the projectile bight 3 extend as far as the longitudinal bore 4, whereby the formation of the projectile lugs 6 is promoted when the projectile 1 hits a body.
  • FIG. 4 is a sectional view of the projectile 1 according to the invention along the in the FIG. 3 indicated section IV-IV shown, from which it is apparent that the longitudinal bore 4 in the embodiment shown penetrates the projectile bend 3 and the recess 9 and extends into the bullet tail 2. Furthermore, a chamfer 12 formed on the projectile bow 3 can also be seen, which leads to the projectile lugs 6 tearing off the projectile bow 3 when the projectile 1 penetrates into the body. From the FIG. 4 and in particular from in the FIG. 5 It can be seen that the fracture cross-section, which is defined by the distance between the longitudinal bore 4 and the individual notches 5, increases in the direction of the projectile tail 2.
  • the bullet 3 has a smaller diameter than the bullet tail 2, which ensures that the sharp edge 10 is formed.
  • the notches 5 is also ensured that the resulting projectile flags 6 all have a uniform banana shape and a homogeneous mass distribution. Due to the number and arrangement of the guide belts 11 is also ensured that a cartridge case, not shown in the drawing can be securely connected to the projectile 1 to a unit, as always more guide belts 11 are inside the cartridge case, creating a tight fit of the Bullet 1 is ensured in the cartridge case.
  • FIG. 6 shows a perspective view of the projectile according to the invention 1. It should be noted in particular that when used properly relative to the selected caliber, the bullet tail 2 is formed underkalibrig and the guide belts 11 are formed überkalibrig. Furthermore, the longitudinal bore 4 can be seen, which, in conjunction with the notches 5 extending on the outer surface of the projectile bender 3 and the recess 9 which separates the projectile bight 3 from the projectile tail 2, enables the formation of projectile lugs 6.
  • a projectile projectile 1 is shown in a perspective view, wherein the bullet 3 has broken down when hitting a body in three serving as secondary bullets bullets 6, all of which have a uniform mass and a banana-like shape.
  • the ratio of the total mass of the projectile lugs 6 to the mass of the projectile tail 2 here is 1: 2.
  • the fields of the barrel when firing the projectile 1 have only interacted with the guide belts 11 of the projectile 1, while the sub-caliber formed core diameter of the projectile tail 2 has no traces of the barrel.
  • the friction of the projectile 1 in an effective manner minimized running which on the one hand, the speed of the projectile 1 can be increased and on the other side run deposits are minimized.
  • FIG. 8 shows the result of a gelatin bombardment with the projectile according to the invention 1.
  • the gelatin block is shown in a side view, while the partial figures i-vii represent sections taken at a distance of 5 cm from the Beschußbeispiel shown above. From this it can be clearly seen that the projectile 1 first penetrated without damage into the gelatin block. Then it comes to a mushrooming of the projectile bows 3, which then breaks down into the projectile flags 6, which then tear off the projectile tail 2 and deviate as secondary projectiles in a star shape from the horizontal trajectory of the projectile tail 2, which strikes the gelatin block directionally stable on the horizontal trajectory.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
  • Toys (AREA)
EP13163750.6A 2013-04-15 2013-04-15 Projectile Not-in-force EP2792993B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP13163750.6A EP2792993B1 (fr) 2013-04-15 2013-04-15 Projectile

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP13163750.6A EP2792993B1 (fr) 2013-04-15 2013-04-15 Projectile

Publications (2)

Publication Number Publication Date
EP2792993A1 true EP2792993A1 (fr) 2014-10-22
EP2792993B1 EP2792993B1 (fr) 2015-11-25

Family

ID=48092817

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13163750.6A Not-in-force EP2792993B1 (fr) 2013-04-15 2013-04-15 Projectile

Country Status (1)

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EP (1) EP2792993B1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10690464B2 (en) 2017-04-28 2020-06-23 Vista Outdoor Operations Llc Cartridge with combined effects projectile
DE102019116125A1 (de) * 2019-06-13 2020-12-17 Ruag Ammotec Gmbh Projektil, insbesondere Deformations- und/oder Teilzerlegungsgeschoss, und Verfahren zum Herstellen eines Projektils
DE102015110097B4 (de) 2015-06-23 2022-07-14 Kurt Pritz Geschoss aus Zinnbronze Material

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2286364A1 (fr) * 1974-09-26 1976-04-23 France Etat Projectile a portee reduite pour munition d'exercice
EP0015574A2 (fr) * 1979-03-10 1980-09-17 Hans-Ludwig Schirneker Projectile, par exemple pour la chasse, et procédé pour sa fabrication
FR2795170A1 (fr) * 1999-06-18 2000-12-22 Jean Claude Sauvestre Balle a fleche interne portee
DE19930475A1 (de) 1999-07-01 2001-01-04 Dynamit Nobel Ag Teilzerlegungsgeschoß
DE10309975A1 (de) * 2002-05-30 2003-11-27 Vlastimil Libra Patrone und Verfahren zum Herstellen mindestens eines radialen Einschnittes in dem Körper des Geschosses der Patrone
US6776101B1 (en) * 2003-03-21 2004-08-17 Richard K. Pickard Fragmenting bullet
DE20320679U1 (de) * 2003-10-07 2004-12-09 Strauß, Rupert Allzweckgeschoss

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2286364A1 (fr) * 1974-09-26 1976-04-23 France Etat Projectile a portee reduite pour munition d'exercice
EP0015574A2 (fr) * 1979-03-10 1980-09-17 Hans-Ludwig Schirneker Projectile, par exemple pour la chasse, et procédé pour sa fabrication
FR2795170A1 (fr) * 1999-06-18 2000-12-22 Jean Claude Sauvestre Balle a fleche interne portee
DE19930475A1 (de) 1999-07-01 2001-01-04 Dynamit Nobel Ag Teilzerlegungsgeschoß
DE10309975A1 (de) * 2002-05-30 2003-11-27 Vlastimil Libra Patrone und Verfahren zum Herstellen mindestens eines radialen Einschnittes in dem Körper des Geschosses der Patrone
US6776101B1 (en) * 2003-03-21 2004-08-17 Richard K. Pickard Fragmenting bullet
DE20320679U1 (de) * 2003-10-07 2004-12-09 Strauß, Rupert Allzweckgeschoss

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
WAGNER G: "Gutes ohne Blei im Kern", DWJ DEUTSCHES WAFFEN JOURNAL, DWJ VERLAGS, BLAUFELDEN, DE, vol. 48, no. 3, 1 March 2012 (2012-03-01), pages 125 - 129, XP001580200, ISSN: 0341-8936 *

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015110097B4 (de) 2015-06-23 2022-07-14 Kurt Pritz Geschoss aus Zinnbronze Material
US10690464B2 (en) 2017-04-28 2020-06-23 Vista Outdoor Operations Llc Cartridge with combined effects projectile
US11226182B2 (en) 2017-04-28 2022-01-18 Vista Outdoor Operations Llc Cartridge with combined effects projectile
DE102019116125A1 (de) * 2019-06-13 2020-12-17 Ruag Ammotec Gmbh Projektil, insbesondere Deformations- und/oder Teilzerlegungsgeschoss, und Verfahren zum Herstellen eines Projektils
WO2020249788A1 (fr) * 2019-06-13 2020-12-17 Ruag Ammotec Gmbh Projectile, en particulier balle à déformation et/ou à décomposition partielle, et procédé de fabrication d'un projectile
CN114127505A (zh) * 2019-06-13 2022-03-01 卢阿格现代科技有限责任公司 特别是变形和/或部分碎裂子弹的射弹以及用于制造射弹的方法

Also Published As

Publication number Publication date
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