EP1570228A1 - Rifle bullet for hunting purposes - Google Patents

Rifle bullet for hunting purposes

Info

Publication number
EP1570228A1
EP1570228A1 EP03788861A EP03788861A EP1570228A1 EP 1570228 A1 EP1570228 A1 EP 1570228A1 EP 03788861 A EP03788861 A EP 03788861A EP 03788861 A EP03788861 A EP 03788861A EP 1570228 A1 EP1570228 A1 EP 1570228A1
Authority
EP
European Patent Office
Prior art keywords
jacket
bullet
socket
lead
core
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
EP03788861A
Other languages
German (de)
French (fr)
Other versions
EP1570228B1 (en
Inventor
Klaus Herrlinger
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.)
Brenneke Wilhelm GmbH and Co KG
Original Assignee
Brenneke Wilhelm GmbH and Co KG
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 Brenneke Wilhelm GmbH and Co KG filed Critical Brenneke Wilhelm GmbH and Co KG
Publication of EP1570228A1 publication Critical patent/EP1570228A1/en
Application granted granted Critical
Publication of EP1570228B1 publication Critical patent/EP1570228B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B12/00—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material
    • F42B12/72—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the material
    • F42B12/76—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the material of the casing
    • F42B12/78—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the material of the casing of jackets for smallarm bullets ; Jacketed bullets or projectiles

Definitions

  • the present invention relates to a socket projectile for hunting purposes with a jacket made of a lead-free, soft, tough material and a core connected to the jacket made of a material that is softer than the jacket.
  • Modern rifle bullets have to meet various hunting requirements. The most important of these requirements is accuracy, that is, the precision of shooting from different hunting weapons. Furthermore, the game should be killed quickly and without great agony. This requires a good width and depth effect of the projectile in the game body. In order to meet this requirement, the projectile in the game body must enlarge its cross section and at the same time lose little mass due to its disassembly. Another requirement for modern rifle bullets is the formation of cut hair and sweat on the weft in order to make it easier to find them even without rejects. Since the weft often closes very quickly due to the elasticity of the fur, the skin and the underlying fat layer, a broke with sweat formation is desirable even with an unfavorable weft angle.
  • the rifle bullets which can be traced back to Brenneke GmbH D-30851 Langenhagen, and are known worldwide under the trade names TUG (torpedo universal bullet) and TIG (torpedo ideal bullet), come very close to these requirements.
  • TUG tacmpedo universal bullet
  • TIG titanium-torpedo ideal bullet
  • These bullets are partial jacket bullets with a jacket made of nickel-plated mild steel, which positively receives two lead cores, a front, softer lead core and a rear, harder lead core. These floors got their name from their torpedo-shaped floor. This shape of the bottom has internal ballistic advantages.
  • the dual-core structure of the Brenneke rifle bullets mentioned above ensures optimal energy delivery at the target with a safe width and depth effect.
  • Characteristic of the TIG and TUG projectiles is a coulter edge formed in the area of the projectile head, which in most cases provides cut hair and sweat at the connection.
  • the rear core is made of lead and is partially surrounded by an inner jacket. It is held together with the inner jacket by a radial indentation of the outer jacket.
  • the rear core consists of lead, the front core in addition to lead also from a lead-free material such as. B. zinc, tin and copper, to prevent lead from contaminating venison. None is said about the material of the outer jacket.
  • the connection between the cores and the outer jacket or inner jacket is realized by for circuit.
  • the projectile is further characterized by a hollow point, which should accelerate the mushrooming.
  • the tip Upon impact on a target initially the tip extends radially outwards and then folded 'backwards.
  • the front area of the rear lead core is strongly compressed, causing the core to expand radially together with the inner antel. This creates a non-positive. Connection between the rear core, the inner jacket and the outer jacket.
  • the rear core thus remains firmly attached to the mushroomed outer jacket.
  • the radial indentation forms a barrier to further expansion due to an increased resistance moment.
  • This socket bullet has no sharp edge, so that it does not provide cut hair or sweat at the connection. Furthermore, this projectile is partially disassembled, at least by detaching the front core, in the game body, so that its mass is reduced and a reject is not guaranteed, at least if the shot is in an unfavorable position.
  • DE 38 40 165 AI describes a lead-free socket floor. It is also a part of the second floor.
  • the jacket is made of tombac or mild steel. It can be closed at the back, i.e. on the floor, or it can sit on the floor core as a pipe socket.
  • the connection between the casing and the core of the floor is made by a material connection, e.g. B. by soldering or by inserting a bead in the outer jacket, which is pressed into the bullet core.
  • the front edge of the casing radially projects beyond the projectile core and can be designed as a coulter edge.
  • the object of the invention is to provide a socket bullet for hunting purposes with a lead core and partial jacket, which provides sustainable cut hair and sweat formation on the weft, mushrooms in the game body with a substantial increase in cross-section, is only slightly disassembled and has a high residual weight (90% and more).
  • the hollow tip When hitting a game body, the hollow tip causes the deformation of the rifle bullet to be initiated quickly, starting at the bullet tip.
  • the groove in the area of the ' coulter edge which engages on the inside with the wall thickness of the casing and is filled with the softer core material, acts as a shock absorber in which it hits the bullet when it hits the bullet.
  • the projectile Since the mass of the projectile is largely preserved, the projectile has a high depth effect in the game body and a reject is always to be expected in the case of normally fitting shots.
  • the transition from the top of the projectile to the coulter edge is essentially rectangular in the case of rifle projectiles, i.e. very sharp-edged. At this point, there is therefore always a risk of the rolling-up projectile flags breaking off, which, according to the prior art, means that the coulter edge is always only relatively weak. Because of the groove provided on the inside in the case of the projectile in the area of the coulter edge and its already described shock absorber effect, the coulter edge of the projectile of the invention can be more pronounced than is possible according to the prior art.
  • the socket projectile according to the invention therefore creates circular holes at the connection, which generally prevent the entry from being closed and ensure adequate cut hair production.
  • a circumferential crimping groove is provided in the central region of the jacket of the rear part. This serves to work harden the shell, which is already strong in comparison with the prior art.
  • the continuous increase in the jacket thickness in the area between the coulter edge and the crimp groove contributes to this effect.
  • the rifle bullet has its outer diameter in the region between the base and the cannelure Switzerlandkaliber, while its outer diameter tapers in the region between the cannelure and the sharp edge readily such that the sharp edge during firing does not occur in the characteristics of a rifle barrel ,
  • the cylindrical section of the projectile serving as the projectile guide part in the barrel between the base and the crimp groove is of sufficient length and at the same time it prevents the coulter edge from being damaged when passing the barrel.
  • the floor of the floor is particularly thick-walled. Its thickness is much greater than the wall thickness of the already thick-walled shell in the rear area. This thick-walled floor is intended to prevent or reduce the negative effects of the propellant gases that form during the development of the shot on the story core as well as support the dimensional stability in the guide part of the floor in the target medium.
  • socket floor has a conical bottom, as is known from the TIG and TUG floors described at the beginning.
  • the socket level 1 is designed as a part of the second level. It has a jacket 2 made of tombac and a core 3 made of lead. Instead of lead, a lead-free bismuth alloy can also be used if a lead-free projectile is aimed for.
  • the socket level 1 is subdivided into a projectile head 4 and a rear part 5, the projectile head 4 being formed between the projectile tip 6 and a coulter edge 7 and the rear part 5 between this coulter edge 7 and the projectile floor 8.
  • the projectile tip 6 is designed as a hollow tip.
  • the jacket 2 of the rifle bullet 1 begins at the top 6 of the projectile with very thin walls and increases in thickness up to the edge 7.
  • the wall thickness a is approximately 0.2-0.3 mm at the bullet tip 6 and, adjacent to the coulter edge, the wall thickness b is approximately 0.7-0.9 mm depending on the caliber diameter.
  • the projectile head 4 tapers concavely towards the hollow tip 6.
  • the socket projectile 1 merges into the rear part 5 in a coulter edge 7. From this transition point, the wall thickness of the jacket 2 increases continuously, namely up to a crimp groove 9, which is pressed in all around in the central region of the rear part 5.
  • the wall thickness c of the jacket 2 is approximately 1.8 mm.
  • the wall thickness behind the crimping groove 9 decreases again for manufacturing reasons.
  • the bottom 8 itself is very thick-walled. At its thickest point, it has a wall thickness d of approx. 3 mm and, like the TIG and TUG projectiles, is torpedo-shaped in order to improve the interior ballistics even more.
  • the groove 10 acts at this point when the rifle bullet 1 strikes a game body like a shock absorber, which will be explained in more detail below.
  • the shock-absorbing groove 10 enables the coulter edge 7 to be particularly strong, i.e. to train with a relatively large radial extent. Its protrusion from the foot of the bullet tip 4 is approximately 0.5 mm.
  • the projectile core 3 is permanently mechanically connected to the casing 2 by soldering these two components together.
  • a tin alloy 11 is used, which is introduced in paste form between the lead core 3 and the tombac casing 2 during the manufacture of the rifle bullet 1 before the drawing process begins.
  • the material bond between storey core 3 and jacket 2 is then carried out by heat treatment of the rifle shell 1.
  • the rifle bullet 1 Due to the described structural design of the rifle bullet 1, it is achieved that its deformation is initiated when it hits a game body from the bullet tip 6, in which the bullet shell 2 to the coulter edge 7, in the case of harder target media, such as. B. bone, at most up to the crimp groove 9, whereby the projectile core 3 is also torn open by the mechanically permanent connection to the projectile jacket 2. All of the projecting flags roll up relatively evenly without essentially tearing off fragments. This mushrooming results in a cross-sectional enlargement of the rifle level of up to 2.7 times. Overall, less than 10% of the original weight of the rifle bullet 1 tends to release fragments when it hits a target medium. The bushing therefore has a very large residual weight in the game body, so that despite the cross-sectional enlargement, a reject can usually be expected. The pronounced coulter edge 7 ensures not only cut hair formation but also lasting sweat formation at the connection.

Abstract

Rifle bullet for hunting purposes, with a jacket of a lead-free soft ductile material and a core, connected to the jacket, made from a material softer than the jacket. The aim of the invention is to improve the bullet to provide a persistent cut of hair and bleeding at the point of entry, mushrooming in a controlled manner with considerable cross-sectional enlargement, whilst only marginally breaking up with a high residual weight (90% and more). The rifle bullet has a thinly-jacketed bullet tip and has a marked sharp edge at the transition point of the jacket on the bullet tip to a substantially thicker-jacketed tail section. The rifle bullet is internally provided with a circumferential channel reducing the wall thickness of the jacket at said point, filled with the core material.

Description

Buchsengeschoss für Jagdzwecke Bushing level for hunting purposes
Die vorliegende Erfindung betrifft ein Buchsengeschoss für Jagdzwecke mit einem Mantel aus einem bleifreien, weichzähen Werkstoff und einem mit dem Mantel verbundenen Kern aus einem gegenüber dem Mantel weicheren Material.The present invention relates to a socket projectile for hunting purposes with a jacket made of a lead-free, soft, tough material and a core connected to the jacket made of a material that is softer than the jacket.
Moderne Büchsengeschosse müssen verschiedenen jagdlichen Anforderungen genügen. Die wichtigste dieser Anforderungen ist die Zielgenauigkeit, d.h., die Schusspräzision aus verschiedenen Jagdwaffen. Weiterhin soll das Wild schnell und ohne große Qualen getötet werden. Dazu ist eine gute Breiten- und Tiefenwirkung des Geschosses im Wildkörper erforderlich. Um dieses Erfordernis zu erfüllen, muss das Geschoss im Wildkörper seinen Querschnitt vergrößern und gleichzeitig wenig Masse durch seine Zerlegung verlieren. Eine weitere Anforderung an moderne Büchsengeschosse ist eine Schnitthaar- und Schweißbildung am Einschuss, um eine eventuelle Nachsuche auch ohne Ausschuss zu erleichtern. Da sich der Einschuss aufgrund der Elastizität des Fells, der Haut und der darunterliegenden Fettschicht häufig sehr schnell schließt, ist ein Ausschuss mit Schweißbildung auch bei ungünstigem Schusswinkel wünschenswert. Diesen Anforderungen kommen die auf die Firma Brenneke GmbH D-30851 Langenhagen, zurückzuführenden und unter den Handelsna- en TUG (Torpedo-Universal-Geschoss) und TIG (Torpedo-Ideal- Geschoss) weltweit bekannten Büchsengeschosse sehr nahe. Bei diesen Geschossen handelt es sich um Teilmantelgeschosse mit einem Mantel aus nickelplattiertem Flussstahl, der formschlüssig zwei Bleikerne aufnimmt, einen vorderen, weicheren Bleikern und einen hinteren, härteren Bleikern. Ihren Namen erhielten diese Geschosse aufgrund ihres torpedoheckförmig ausgebildeten Bodens. Diese Bodenform hat innenballistische Vorteile. Der Zweikernaufbau der oben genannten Brenneke-Büchsengeschosse sorgt für eine optimale Energieabgabe im Ziel mit sicherer Breiten- und Tiefenwirkung. Das geschieht durch die schnell auftretende Deformation des vorderen, weichen Bleikerns, die durch den hinteren, härteren Bleikern in Verbindung mit der zunehmenden Stärke des Geschossmantels sowie einer Einschnürung im Heckbereich abgebremst wird. Im Wildkörper zerlegen sich diese Geschosse teilweise. Dennoch führt der hintere, harte Bleikern in den meisten Fällen zum gewünschten Ausschuss.Modern rifle bullets have to meet various hunting requirements. The most important of these requirements is accuracy, that is, the precision of shooting from different hunting weapons. Furthermore, the game should be killed quickly and without great agony. This requires a good width and depth effect of the projectile in the game body. In order to meet this requirement, the projectile in the game body must enlarge its cross section and at the same time lose little mass due to its disassembly. Another requirement for modern rifle bullets is the formation of cut hair and sweat on the weft in order to make it easier to find them even without rejects. Since the weft often closes very quickly due to the elasticity of the fur, the skin and the underlying fat layer, a broke with sweat formation is desirable even with an unfavorable weft angle. The rifle bullets, which can be traced back to Brenneke GmbH D-30851 Langenhagen, and are known worldwide under the trade names TUG (torpedo universal bullet) and TIG (torpedo ideal bullet), come very close to these requirements. These bullets are partial jacket bullets with a jacket made of nickel-plated mild steel, which positively receives two lead cores, a front, softer lead core and a rear, harder lead core. These floors got their name from their torpedo-shaped floor. This shape of the bottom has internal ballistic advantages. The dual-core structure of the Brenneke rifle bullets mentioned above ensures optimal energy delivery at the target with a safe width and depth effect. This happens due to the rapidly occurring deformation of the front, soft lead core, which is slowed down by the rear, harder lead core in connection with the increasing thickness of the shell and a constriction in the rear area. These projectiles partially disassemble in the game body. Nevertheless, the rear, hard lead core leads in most cases to the desired scrap.
Charakteristisch für die TIG- und TUG-Geschosse ist ein im Bereich des Geschosskopfes ausgebildeter Scharfrand, der in den meisten Fällen am Anschuss Schnitthaar und Schweiß liefert.Characteristic of the TIG and TUG projectiles is a coulter edge formed in the area of the projectile head, which in most cases provides cut hair and sweat at the connection.
Ein weiteres Teilmantelgeschoss mit zweiteiligem Kern ist in EP 0 225 532 AI beschrieben. Der hintere Kern besteht aus Blei und ist teilweise von einem Innenmantel umgeben. Er wird zusammen mit dem Innenmantel durch eine radiale Eindrückung des Außenmantels an letzterem festgehalten. Der hintere Kern besteht aus Blei, wobei der vordere Kern neben Blei auch aus einem bleifreien Material wie z. B. Zink, Zinn und Kupfer bestehen kann, um eine Verunreinigung des Wildbrets durch Blei zu verhindern. Über das Material des Außenmantels ist nichts ausgesagt. Der Verbund zwischen den Kernen und dem Außenmantel bzw. Innenmantel ist durch For schluss realisiert. Das Geschoss ist weiterhin durch eine Hohlspitze charakterisiert, welche das Aufpilzen beschleunigen soll.Another partial jacket bullet with a two-part core is described in EP 0 225 532 AI. The rear core is made of lead and is partially surrounded by an inner jacket. It is held together with the inner jacket by a radial indentation of the outer jacket. The rear core consists of lead, the front core in addition to lead also from a lead-free material such as. B. zinc, tin and copper, to prevent lead from contaminating venison. Nothing is said about the material of the outer jacket. The connection between the cores and the outer jacket or inner jacket is realized by for circuit. The projectile is further characterized by a hollow point, which should accelerate the mushrooming.
Beim Auftreffen auf ein Ziel weitet sich zunächst die Spitze radial nach außen auf und klappt ' dann nach hinten. Der vordere Bereich des hinteren Bleikerns wird dabei stark gestaucht, wodurch sich der Kern zusammen mit dem Innen antel radial stark aufweitet. Dadurch entsteht eine kraftschlüssige . Verbindung zwischen dem hinteren Kern, dem Innenmantel und dem Außenmantel. Der hintere Kern bleibt somit fest mit dem aufgepilzten Außenmantel verbunden. Bei der Aufpilzung des Außenmantels bildet die radiale Eindrückung aufgrund eines erhöhten Widerstandsmoments eine Barriere für die weitere Aufpilzung.Upon impact on a target initially the tip extends radially outwards and then folded 'backwards. The front area of the rear lead core is strongly compressed, causing the core to expand radially together with the inner antel. This creates a non-positive. Connection between the rear core, the inner jacket and the outer jacket. The rear core thus remains firmly attached to the mushroomed outer jacket. When the outer casing expands, the radial indentation forms a barrier to further expansion due to an increased resistance moment.
Dieses Buchsengeschoss besitzt keinen Scharfrand, so dass es am Ansc uss weder Schnitthaar noch Schweiß liefert. Des weiteren zerlegt sich dieses Geschoss zumindest durch Ablösung des vorderen Kerns teilweise im Wildkörper, so dass seine Masse reduziert wird und ein Ausschuss, zumindest bei ungünstigem Sitz des Schusses nicht gewährleistet ist.This socket bullet has no sharp edge, so that it does not provide cut hair or sweat at the connection. Furthermore, this projectile is partially disassembled, at least by detaching the front core, in the game body, so that its mass is reduced and a reject is not guaranteed, at least if the shot is in an unfavorable position.
In DE 38 40 165 AI ist ein bleifreies Buchsengeschoss beschrieben. Es handelt sich hier ebenfalls um ein Teil antelge- schoss. Der Mantel besteht aus Tombak oder Flussstahl. Er kann hinten, also am Boden geschlossen oder aber als Rohrstutzen auf dem Geschosskern sitzen. Die Verbindung zwischen Mantel und Geschosskern erfolgt durch eine stoffschlüssige Verbindung, z. B. durch Löten oder aber durch Einbringen einer Sicke in den Außenmantel, die in den Geschosskern eingedrückt wird. Der Vorderrand des Mantels überragt den Geschosskern radial und kann als Scharfrand ausgebildet sein.DE 38 40 165 AI describes a lead-free socket floor. It is also a part of the second floor. The jacket is made of tombac or mild steel. It can be closed at the back, i.e. on the floor, or it can sit on the floor core as a pipe socket. The connection between the casing and the core of the floor is made by a material connection, e.g. B. by soldering or by inserting a bead in the outer jacket, which is pressed into the bullet core. The front edge of the casing radially projects beyond the projectile core and can be designed as a coulter edge.
Aufgabe der Erfindung ist es, ein Buchsengeschoss für Jagdzwecke mit Bleikern und Teilmantel zur Verfügung zu stellen, welches eine nachhaltige Schnitthaar- und Schweißbildung am Einschuss liefert, im Wildkörper unter wesentlicher Querschnittsvergrößerung kontrolliert aufpilzt, sich dabei nur geringfügig zerlegt und ein hohes Restgewicht (90% und mehr) aufweist.The object of the invention is to provide a socket bullet for hunting purposes with a lead core and partial jacket, which provides sustainable cut hair and sweat formation on the weft, mushrooms in the game body with a substantial increase in cross-section, is only slightly disassembled and has a high residual weight (90% and more).
Diese Aufgabe wird erfindungsgemäß mit einem Buchsengeschoss gelöst, das die Merkmale des Anspruchs 1 aufweist.This object is achieved according to the invention with a socket bullet, which has the features of claim 1.
Beim Auftreffen auf einen Wildkörper bewirkt die Hohlspitze eine schnelle Einleitung der Deformation des Büchsengeschosses an der Geschossspitze beginnend. Dabei wirkt die im Bereich des' Scharfrandes innenseitig in die Wandstärke des Mantels eingreifende, mit dem weicheren Kernmaterial gefüllte Rille als Stoßdämpfer, in dem sie den auf das Geschoss bei seinem Auftreffen auf den. Wildkörper resultierenden starken axialen Schlag dämpft, so dass die Geschossspitze nicht schlagartig aufreißt, sondern kontrolliert aufpilzt. Dabei rollen sich alle entstehenden Geschossfahnen im wesentlichen gleichmäßig auf, wobei der Geschosskern aufgrund der stoffschlüssigen Verbindung mit dem Geschossmantel ebenfalls aufreißt. Der Geschosskern löst sich, anders als bei herkömmlichen Büchsengeschossen, also im wesentlichen nicht vom Mantel, so dass die Geschosseinheit auch im Wildkörper im wesentlichen erhalten bleibt. Maximal 10 % des Geschosses lösen sich als Splitter. Da sich die Geschossfahnen im wesentlichen gleichmäßig aufrollen, das Geschoss sich also im Zielmedium im wesentlichen gleichmäßig deformiert, wird verhindert, dass es unkalkulierbar die Richtung im Wildkörper wechselt.When hitting a game body, the hollow tip causes the deformation of the rifle bullet to be initiated quickly, starting at the bullet tip. The groove in the area of the ' coulter edge, which engages on the inside with the wall thickness of the casing and is filled with the softer core material, acts as a shock absorber in which it hits the bullet when it hits the bullet. The game carcasses the resulting strong axial impact, so that the tip of the projectile does not suddenly open, but mushrooms in a controlled manner. All the projecting flags roll up substantially evenly, the projectile core also tearing open due to the integral connection with the projectile jacket. In contrast to conventional rifle projectiles, the projectile core essentially does not detach from the jacket, so that the projectile unit is essentially retained even in the game body. A maximum of 10% of the floor detaches as fragments. Since the projectile flags roll up essentially uniformly, ie the projectile deforms essentially uniformly in the target medium, it is prevented that the direction in the game body changes incalculably.
Da die Geschossmasse im wesentlichen erhalten bleibt, hat das Geschoss eine hohe Tiefenwirkung im Wildkörper und es ist bei normal sitzenden Schüssen immer mit einem Ausschuss zu rechnen.Since the mass of the projectile is largely preserved, the projectile has a high depth effect in the game body and a reject is always to be expected in the case of normally fitting shots.
Der Übergang von der Geschossspitze zum Scharfrand ist bei Büchsengeschossen im wesentlichen rechtwinklig, d.h. sehr scharfkantig ausgebildet. An dieser Stelle besteht somit immer Gefahr des Abbrechens der sich aufrollenden Geschossfahnen, was nach dem Stand der Technik dazu führt, dass der Scharfrand immer nur relativ schwach ausgebildet ist. Aufgrund der bei dem erfindungsgemäßen Geschoss im Bereich des Scharfrandes innenseitig vorgesehenen Rille und deren schon beschriebener Stoßdämpferwirkung kann der Scharfrand bei dem erfindungsgemäßen Geschoss stärker ausgeprägt werden als das nach dem Stand der Technik möglich ist. Das erfindungsgemäße Buchsengeschoss erzeugt daher am Anschuss kreisrunde Löcher, die in aller Regel ein Verschließen des Einschusses verhindern und für eine ausreichende Schnitthaarerzeugung sorgen.The transition from the top of the projectile to the coulter edge is essentially rectangular in the case of rifle projectiles, i.e. very sharp-edged. At this point, there is therefore always a risk of the rolling-up projectile flags breaking off, which, according to the prior art, means that the coulter edge is always only relatively weak. Because of the groove provided on the inside in the case of the projectile in the area of the coulter edge and its already described shock absorber effect, the coulter edge of the projectile of the invention can be more pronounced than is possible according to the prior art. The socket projectile according to the invention therefore creates circular holes at the connection, which generally prevent the entry from being closed and ensure adequate cut hair production.
Durch den möglichen Einsatz einer bleifreien Wismutlegierung, die annähernd die gleiche spezifische Dichte wie Blei aufweist, als Geschosskern, kann ein völlig bleifreies Buchsengeschoss hergestellt werden, ohne die optimale Geschosslänge zum Geschossgewicht eines jeweiligen Kaliberbereichs verlassen zu müssen.Through the possible use of a lead-free bismuth alloy, which has approximately the same specific density as lead, as a projectile core, a completely lead-free socket projectile can be produced without the optimal projectile length To have to leave bullet weight of a respective caliber range.
In weiterer Ausgestaltung der Erfindung ist im mittleren Bereich des Mantels des Heckteils eine umlaufende Crimprille vorgesehen. Diese dient der Kaltverfestigung des im Vergleich mit dem Stand der Technik ohnehin starken Mantels. Diese Ausbildung bewirkt zusammen mit der stoffschlüssigen Verbindung zwischen Mantel und Kern, dass ein Aufpilzen des Geschosses über die Crimprille hinaus nicht erfolgen kann. Zu dieser Wirkung trägt die kontinuierliche Vergrößerung der Mantelstärke im Bereich zwischen dem Scharfrand und der Crimprille bei.In a further embodiment of the invention, a circumferential crimping groove is provided in the central region of the jacket of the rear part. This serves to work harden the shell, which is already strong in comparison with the prior art. This design, together with the integral connection between the jacket and the core, means that the bullet cannot be mushroomed beyond the crimping groove. The continuous increase in the jacket thickness in the area between the coulter edge and the crimp groove contributes to this effect.
In einer ' weiteren Ausführungsform des Büchsengeschosses weist dessen Außendurchmesser im Bereich zwischen dem Boden und der Crimprille Zugkaliber auf, während sich sein Außendurchmesser in dem Bereich zwischen der Crimprille und dem Scharfrand leicht derart verjüngt, dass der Scharfrand bei Schussauslösung nicht in die Züge eines Büchsenlaufs eintritt. Trotz dieser Ausbildung hat der als Geschossführungsteil im Lauf dienende zylindrische Abschnitt des Geschosses zwischen Boden und Crimprille eine ausreichende Länge und es wird zugleich verhindert, dass der Scharfrand beim Passieren des Laufes beschädigt wird.In 'another embodiment of the rifle bullet has its outer diameter in the region between the base and the cannelure Zugkaliber, while its outer diameter tapers in the region between the cannelure and the sharp edge readily such that the sharp edge during firing does not occur in the characteristics of a rifle barrel , Despite this design, the cylindrical section of the projectile serving as the projectile guide part in the barrel between the base and the crimp groove is of sufficient length and at the same time it prevents the coulter edge from being damaged when passing the barrel.
In Weiterbildung der Erfindung ist der Boden des Geschosses besonders starkwandig ausgeführt. Seine Stärke ist wesentlich größer als die Wandstärke des ohnehin schon dickwandigen Geschossmantels im Heckbereich. Dieser starkwandige Geschossboden soll negative Einwirkungen der sich bei Schussentwicklung bildenden Treibgase auf den Geschosskern verhindern bzw. mindern sowie im Zielmedium die Formstabilität im Führungsteil des Geschosses unterstützen.In a further development of the invention, the floor of the floor is particularly thick-walled. Its thickness is much greater than the wall thickness of the already thick-walled shell in the rear area. This thick-walled floor is intended to prevent or reduce the negative effects of the propellant gases that form during the development of the shot on the story core as well as support the dimensional stability in the guide part of the floor in the target medium.
Es ist von Vorteil für die Innenballistik, wenn das Buchsengeschoss einen kegelförmigen Boden besitzt, wie das von den eingangs beschriebenen TIG- und TUG-Geschossen bekannt ist.It is advantageous for the interior ballistics if the socket floor has a conical bottom, as is known from the TIG and TUG floors described at the beginning.
Die Erfindung wird nachstehend anhand eines Ausführungsbei- spiels näher erläutert. Die einzige Figur der dazugehörigen Zeichnung zeigt ein Buchsengeschoss in einer Seitenansicht, wobei die rechte Zeichnungshälfte geschnitten dargestellt ist.The invention is explained in more detail below on the basis of an exemplary embodiment. The only figure in the accompanying drawing shows a socket projectile in a side view, the right half of the drawing being shown in section.
Das erfindungsgemäße Buchsengeschoss 1 ist als Teil antelge- schoss ausgeführt. Es besitzt einen Mantel 2 aus Tombak und einen Kern 3 aus Blei. Anstelle von Blei kann auch ein bleifreie Wismutlegierung eigesetzt werden, wenn ein bleifreies Geschoss angestrebt wird.The socket level 1 according to the invention is designed as a part of the second level. It has a jacket 2 made of tombac and a core 3 made of lead. Instead of lead, a lead-free bismuth alloy can also be used if a lead-free projectile is aimed for.
Das Buchsengeschoss 1 ist zum Zwecke der nachstehenden Erläuterungen in einen Geschosskopf 4 und in ein Heckteil 5 untergliedert, wobei der Geschosskopf 4 zwischen der Geschossspitze 6 und einem Scharfrand 7 und das Heckteil 5 zwischen diesem Scharfrand 7 und dem Geschossboden 8 ausgebildet ist. Die Geschossspitze 6 ist als Hohlspitze ausgeführt.For the purposes of the following explanations, the socket level 1 is subdivided into a projectile head 4 and a rear part 5, the projectile head 4 being formed between the projectile tip 6 and a coulter edge 7 and the rear part 5 between this coulter edge 7 and the projectile floor 8. The projectile tip 6 is designed as a hollow tip.
Der Mantel 2 des Büchsengeschosses 1 beginnt an der Geschossspitze 6 sehr dünnwandig und nimmt bis zum Scharfrand 7 in der Stärke zu. Die Wandstärke a beträgt an der Geschossspitze 6 etwa 0,2 - 0,3 mm und angrenzend an den Scharfrand ist die Wandstärke b etwa 0,7 - 0,9 mm je nach Kaliberdurchmesser. Der Geschosskopf 4 verjüngt sich zur Hohlspitze 6 hin konkav. Am unteren Ende des Geschosskopfes 4 geht das Buchsengeschoss 1 in einem Scharfrand 7 in das Heckteil 5 über. Von dieser Übergangsstelle vergrößert sich die Wandstärke des Mantels 2 kontinuierlich, und zwar bis zu einer Crimprille 9, die etwa im mittleren Bereich des Heckteils 5 umlaufend eingedrückt ist. Am Rand dieser Crimprille 9 beträgt die Wandstärke c des Mantels 2 ca. 1,8 mm. Zum Boden 8 hin verringert sich die Wandstärke hinter der Crimprille 9 aus herstellungstechnischen Gründen wieder. Der Boden 8 selbst ist sehr starkwandig ausgeführt. Er hat an seiner dicksten Stelle eine Wandstärke d von ca. 3 mm und ist wie bei den TIG- und TUG-Geschossen torpedoförmig ausgeführt, um die Innenballistik noch zu verbessern.The jacket 2 of the rifle bullet 1 begins at the top 6 of the projectile with very thin walls and increases in thickness up to the edge 7. The wall thickness a is approximately 0.2-0.3 mm at the bullet tip 6 and, adjacent to the coulter edge, the wall thickness b is approximately 0.7-0.9 mm depending on the caliber diameter. The projectile head 4 tapers concavely towards the hollow tip 6. At the lower end of the projectile head 4, the socket projectile 1 merges into the rear part 5 in a coulter edge 7. From this transition point, the wall thickness of the jacket 2 increases continuously, namely up to a crimp groove 9, which is pressed in all around in the central region of the rear part 5. At the edge of this crimp groove 9, the wall thickness c of the jacket 2 is approximately 1.8 mm. Towards the bottom 8, the wall thickness behind the crimping groove 9 decreases again for manufacturing reasons. The bottom 8 itself is very thick-walled. At its thickest point, it has a wall thickness d of approx. 3 mm and, like the TIG and TUG projectiles, is torpedo-shaped in order to improve the interior ballistics even more.
An der Übergangsstelle vom Geschosskopf 4 zum Heckteil 5 ist auf der Innenseite des Mantels 2 eine umlaufende, im Querschnitt gerundete Rille 10 vorgesehen, die mit dem Kernmaterial gefüllt ist. Die Rille 10 wirkt an dieser Stelle beim Auftreffen des Büchsengeschosses 1 auf einen Wildkörper wie ein Stoßdämpfer, was weiter unten noch näher erläutert wird. Die stoßdämpfende Rille 10 ermöglicht es, den Scharfrand 7 besonders stark, d.h. mit relativ großer radialer Erstreckung auszubilden. Sein Überstand vom Fuß der Geschossspitze 4 beträgt etwa 0,5 mm.At the transition point from the projectile head 4 to the rear part 5, a circumferential groove 10, which is rounded in cross section, is provided on the inside of the casing 2 and is filled with the core material. The groove 10 acts at this point when the rifle bullet 1 strikes a game body like a shock absorber, which will be explained in more detail below. The shock-absorbing groove 10 enables the coulter edge 7 to be particularly strong, i.e. to train with a relatively large radial extent. Its protrusion from the foot of the bullet tip 4 is approximately 0.5 mm.
Der Geschosskern 3 ist mit dem Mantel 2 dauerhaft mechanisch verbunden, in dem diese beiden Komponenten miteinander verlötet werden. Dazu dient eine Zinnlegierung 11, die bei der Herstellung des Büchsengeschosses 1 vor Beginn des Ziehvorganges zwischen dem Bleikern 3 und dem Tombakmantel 2 in Pastenform eingebracht wird. Der Stoffschluss zwischen Geschosskern 3 und Mantel 2 erfolgt dann durch eine Wärmebehandlung des Büchsengeschosses 1.The projectile core 3 is permanently mechanically connected to the casing 2 by soldering these two components together. For this purpose, a tin alloy 11 is used, which is introduced in paste form between the lead core 3 and the tombac casing 2 during the manufacture of the rifle bullet 1 before the drawing process begins. The material bond between storey core 3 and jacket 2 is then carried out by heat treatment of the rifle shell 1.
Aufgrund des geschilderten konstruktiven Aufbaues des Büch- sengeschosses 1 wird erreicht, dass seine Deformation beim Auftreffen auf ein Wildkörper von der Geschossspitze 6 her eingeleitet wird, in dem der Geschossmantel 2 bis zum Scharfrand 7, bei härteren Zielmedien, wie z. B. Knochen, maximal bis zur Crimprille 9 aufreißt, wobei der Geschosskern 3 durch die mechanisch dauerhafte Verbindung mit dem Geschossmantel 2 ebenfalls aufgerissen wird. Dabei rollen sich alle entstehenden Geschossfahnen relativ gleichmäßig auf, ohne dass im wesentlichen Maße Bruchstücke abgerissen werden. Diese Aufpilzung ergibt eine bis zu 2,7-fache Querschnittsvergrößerung des Büchsengeschosses. Insgesamt neigen weniger als 10 % des ursprünglichen Gewichts des Büchsengeschosses 1 beim Auftreffen auf ein Zielmedium zur Splitterabgabe. Das Buchsengeschoss hat daher im Wildkörper ein sehr grosses Restgewicht, so dass trotz der Querschnittsvergrös- serung normalerweise immer mit einem Ausschuss zu rechnen ist. Der ausgeprägte Scharfrand 7 sorgt neben einer Schnitthaarbildung für eine nachhaltige Schweißbildung am Anschuss. Due to the described structural design of the rifle bullet 1, it is achieved that its deformation is initiated when it hits a game body from the bullet tip 6, in which the bullet shell 2 to the coulter edge 7, in the case of harder target media, such as. B. bone, at most up to the crimp groove 9, whereby the projectile core 3 is also torn open by the mechanically permanent connection to the projectile jacket 2. All of the projecting flags roll up relatively evenly without essentially tearing off fragments. This mushrooming results in a cross-sectional enlargement of the rifle level of up to 2.7 times. Overall, less than 10% of the original weight of the rifle bullet 1 tends to release fragments when it hits a target medium. The bushing therefore has a very large residual weight in the game body, so that despite the cross-sectional enlargement, a reject can usually be expected. The pronounced coulter edge 7 ensures not only cut hair formation but also lasting sweat formation at the connection.

Claims

P a t e n t a n s p r ü c h e Patent claims
1. Buchsengeschoss für Jagdzwecke mit einem Mantel (2) aus einem bleifreien, weichzähen Werkstoff, wie z. B. Tombak, Kupfer oder Messing und einem stoffschlüssig mit dem Mantel (2) verbundenen Kern (3) aus einem gegenüber dem Mantel (2) weicheren Material, wie z. B. Blei, eine Blei/Zinnlegierung oder eine bleifreie Wismutlegierung, wobei das Buchsengeschoss (1) einen dünnmantligen Geschosskopf (4) besitzt und an der Übergangsstelle des Mantels (2) vom Geschosskopf (4) zu einem wesentlich' dickmantligeren Heckteil (5) außenseitig ein stark ausgeprägter Scharfrand (7) und innenseitig eine umlaufende, in die Wandstärke des Mantels (2) an dieser Stelle eingreifende, mit dem Kernmaterial ausgefüllte Rille (10) angeordnet ist.1. socket level for hunting purposes with a jacket (2) made of a lead-free, soft-tough material, such as. B. tombac, copper or brass and a cohesively connected to the jacket (2) core (3) of a compared to the jacket (2) softer material, such as. For example, lead, a lead / tin alloy or a lead-free bismuth alloy, wherein the book Enge lap (1) has a dünnmantligen bullet head (4) and at the transition point of the shell (2) from the bullet head (4) into a substantially 'dickmantligeren rear part (5) on the outside a sharply defined coulter edge (7) and on the inside a circumferential groove (10) which engages in the wall thickness of the casing (2) at this point and is filled with the core material.
2. Buchsengeschoss nach Anspruch 1, dadurch gekennzeichnet, dass im mittleren Bereich des dickmantligen Heckteils (5) im Mantel (2) außenseitig eine umlaufende Crimprille (9) vorgesehen ist.2. socket projectile according to claim 1, characterized in that a circumferential crimping groove (9) is provided on the outside in the middle region of the thick-shelled rear part (5) in the jacket (2).
3. Buchsengeschoss nach Anspruch 1 oder Anspruch 2, dadurch gekennzeichnet, dass die Wandstärke des Mantels (2) im Bereich zwischen der Rille (10) und der Crimprille (9) kontinuierlich zunimmt.3. socket projectile according to claim 1 or claim 2, characterized in that the wall thickness of the jacket (2) in the region between the groove (10) and the crimping groove (9) increases continuously.
4. Buchsengeschoss nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass sein Außendurchmesser im Bereich zwischen dem Boden (8) und der Crimprille (9) dem Zugkaliber entspricht und sich im Bereich zwischen der Crimprille - A4 ~4. socket projectile according to one of the preceding claims, characterized in that its outer diameter in the area between the bottom (8) and the crimp groove (9) corresponds to the tension caliber and in the area between the crimp groove - A4 ~
(9) und dem Scharfrand (7) leicht verjüngt, so dass der Scharfrand (7) nicht in die Züge eines Flintenlaufes eintreten kann.(9) and the coulter edge (7) slightly tapered, so that the coulter edge (7) cannot enter the traits of a shotgun barrel.
5. Buchsengeschoss nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass die Wandstärke des Bodens (8) wesentlich stärker als die Wandstärke des Mantels (2) im Heckteil (5) ist.5. socket projectile according to one of the preceding claims, characterized in that the wall thickness of the base (8) is substantially thicker than the wall thickness of the casing (2) in the rear part (5).
6. Buchsengeschoss nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass der Boden (8) kegelförmig ausgeführt ist. 6. socket projectile according to one of the preceding claims, characterized in that the bottom (8) is designed conical.
EP03788861A 2002-12-09 2003-12-04 Rifle bullet for hunting purposes Expired - Lifetime EP1570228B1 (en)

Applications Claiming Priority (3)

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DE10257590 2002-12-09
DE10257590A DE10257590B4 (en) 2002-12-09 2002-12-09 Rifle bullet for hunting purposes
PCT/DE2003/004028 WO2004053423A1 (en) 2002-12-09 2003-12-04 Rifle bullet for hunting purposes

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EP1570228A1 true EP1570228A1 (en) 2005-09-07
EP1570228B1 EP1570228B1 (en) 2007-04-11

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EP (1) EP1570228B1 (en)
AT (1) ATE359491T1 (en)
AU (1) AU2003293278A1 (en)
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ATE359491T1 (en) 2007-05-15
US7543535B2 (en) 2009-06-09
US20070006770A1 (en) 2007-01-11
DE10257590B4 (en) 2005-03-24
AU2003293278A1 (en) 2004-06-30
RU2005120646A (en) 2006-01-20
WO2004053423A1 (en) 2004-06-24
RU2324888C2 (en) 2008-05-20
EP1570228B1 (en) 2007-04-11
DE50307043D1 (en) 2007-05-24
DE10257590A1 (en) 2004-07-08

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