DE102019108061A1 - Deformation and / or partial fragmentation projectile - Google Patents

Abstract

The present invention relates to a deformation and / or partially dismantling projectile comprising a jacket and a two-part core arranged inside the jacket with a projectile-side core part and a projectile-rear core part, the core being attached to the jacket in such a way that the projectile-rear core part is more strongly attached to the jacket is attached as the projectile side core part.

Description

The present invention relates to a deformation and / or partially dismantling projectile. The invention also relates to a method for producing a deformation and / or partially dismantling projectile.

Bullets are usually made of relatively soft lead that is encased in a harder material such as copper or a copper alloy such as tombac. The lead gives the bullet the high specific weight that is important for its ballistic performance. The bullet jacket protects the barrel of the rifle from lead and enables higher bullet speeds, since the bullet can still follow the rifle barrel's rifling trajectories and fields through which it is rifled, even at high speed, thanks to the harder outer layer.

In the case of partial jacketed projectiles or partial fragmentation projectiles, the core is not enclosed by jacket material on the front of the floor and is exposed. When hitting a target, the bullet tip deforms due to the high pressure on impact and when penetrating the target. For example, the projectile can deform in the shape of a mushroom (mushrooming) or at least partially deform. As a result, the bullet can deliver its energy to the target medium much more effectively than a full jacketed bullet, in which the jacket completely surrounds the core, but has a lower penetration rate. Such bullets are used in particular as hunting bullets, since they lead more reliably to faster death of the game than full jacketed bullets due to the effective energy release in the body of the game when properly shot. Partial dismantling bullets are usually designed in such a way that they dismantle in a controlled manner except for a defined residual body. The suction effect of the rest of the body ensures that the fragments of the front, dismantled core part largely leave the target. Deformation bullets mushroom when they hit the target and remain stable in mass. As a rule, deformation bullets are designed so that they hardly lose any weight in the target. The effect is primarily achieved by increasing the cross-section of the evenly mushrooming bullet and the constant weight.

For example disclosed DE 10 2015 001 559 A1 a lead-free partial fragmentation bullet. The projectile has an essentially hollow-cylindrical jacket into which a two-part core is pressed. All lead-free compressible materials are proposed as core materials, for example tin, zinc or granulates. In such a partially fragmenting projectile it has been found to be disadvantageous that the lead-free projectiles do not have the same efficiency as lead-containing projectiles. In particular, the tin material used tends to tear when the bullet hits the target, so that no deformed residual body remains. Furthermore, the pressing of the core in the projectile jacket does not fulfill the desired function, in particular not the required permanent, fixed connection of jacket and core. When it hits its target, there is a risk that the pressed core will detach from the jacket, so that no deformed residual body remains.

The object of the present invention is to improve the disadvantages of the known prior art, in particular to improve a deformation and / or partially dismantling bullet and a manufacturing method for a deformation and / or partially dismantling bullet in such a way that its deformation and / or disintegration upon impact leaves behind a defined, deformed residual body on a target.

This object is achieved by the features of claims 1, 5 and 10, respectively.

Then a deformation and / or partially fragmentation bullet, such as a hunting bullet, is provided. Partial fragmentation bullets are generally designed in such a way that when the bullet hits a target they break down in a controlled manner down to a defined residual body. Deformation bullets are usually characterized by a stable, controlled deformation.

The deformation and / or partial fragmentation projectile comprises a jacket. The jacket can be implemented as a rotationally symmetrical, in particular essentially cylindrical, hollow body which is designed to be open towards one end face. Metals, in particular hard metals such as copper, copper alloys, for example tombac, can be used as materials for the jacket. The jacket can, for example, have a preferably circumferential tear-off edge on its outer circumference, which can be arranged, for example, approximately at the transition between the ogive on the front of the floor and the rear of the floor. When the projectile hits a target, the tear-off edge can help the jacket to deform and / or break apart in the area of the ogive up to the tear-off edge. Furthermore, it can be provided that the ogive of the shell on the projectile front is torn off from the stern when the projectile hits a target, specifically along the spoiler edge. The tear-off edge can, for example, be oriented essentially perpendicular to the longitudinal axis of the bullet and also serve to control the deformation and / or decomposition behavior of the deformation and / or partial decomposition bullet certain, in particular to limit deformation and / or decomposition of the projectile.

The deformation and / or partially dismantling projectile further comprises a two-part core arranged within the casing, with a core part on the projectile front side and a core part on the projectile rear side. In particular in the case of a partially dismantling projectile according to the invention, the front-end core part is arranged in the jacket or dimensioned such that a front-end core tip of the front-end core part protrudes from the jacket and / or is not surrounded by a jacket. Both the core part on the projectile rear side and the core part on the projectile front side can rest completely circumferentially and along their entire outer surface on an inner circumference of the casing. Furthermore, the core parts can be arranged in the jacket in such a way that the floor-side core part rests on a floor-side floor of the jacket and / or that the projectile-front core part rests over the entire surface of the floor-side core part. For example, a dividing plane between the core part on the storey side and the bow-side core part is formed by a respective end face of the core parts, in particular a front face of the tail-end core part and a rear end face of the nose-end core part.

The dividing plane between the core part on the rear of the storey and the front of the storey can be, for example, conical and oriented in the direction of the rear of the storey, i.e. from the inner circumference of the jacket are conical in the direction of the projectile tail up to a cone tip, which lies, for example, on an axis of rotation of the jacket. It was found that in the case of deformation and / or partially dismantling projectiles of the generic type, the tear-off edge is to be provided in the area of the dividing plane between the core parts. This means that an axial position of the tear-off edge on the projectile jacket with respect to the axial position or axial extension of the parting plane between the core parts and thus can be matched to a dimensioning of the core parts. For example, the tear-off edge lies between a start of the conical parting plane lying on the inner circumference of the jacket and an end of the parting plane that is on the rear of the floor and is designed as a tip of the cone. It has been found that such a positioning of the tear-off edge in relation to the parting plane between the core parts leads to reliable deformation and / or partial disintegration when the projectile hits a target.

According to a first aspect of the present invention, the core is fastened in the jacket in such a way that the core part on the projectile rear side is fastened more strongly to the jacket than the core portion on the projectile nose. It was found that the less strong fastening of the projectile-side core part in the jacket ensures reliable tearing of the projectile-side projectile section, in particular the projectile-side core part and / or the ogive section of the jacket surrounding the projectile-side core part, when the projectile hits a target. The stronger fastening of the core part on the projectile rear reinforces the connection or the fastening of the core part on the floor rear side to the jacket, so that it is ensured that the core part on the floor rear side does not become detached from the jacket when the projectile hits the target and that a defined remaining projectile body remains can realize an effective energy release in the target. Surprisingly, it has been shown that the inventive measure of stronger fastening of the rear-end core part in the jacket compared to the front-end core part means that additional, in particular constructive, measures to increase the connection between the rear-end core part and jacket can be dispensed with. For example, no circumferential retaining groove provided in the prior art needs to be made on the jacket, which groove protrudes inwardly in relation to the rest of the jacket in the direction of the core part in order to hold it in a form-fitting manner. This also creates a more cost-effective and easier-to-implement manufacturing method for deformation and / or partially dismantling projectiles.

According to an exemplary development of the present invention, the front-end core part is fastened to the jacket in such a way that the front-end core part can detach from the jacket when the projectile hits a target. Furthermore, the core part on the projectile rear side can be fastened to the jacket in such a way that the core part on the projectile rear side remains fastened to the jacket when the projectile hits a target. It has been found that for a reliable deformation and / or partial dismantling of projectiles of the generic type it may be necessary that the projectile-side core part essentially completely, possibly together with the jacket part surrounding the projectile-side core part, from the rest, in particular from the floor-side jacket part and the floor-side core part , loosens, in particular separates, while it can be advantageous for the floor-rear core part and possibly the floor-rear jacket part to adhere to one another, in particular in order to form a defined residual body.

In a further exemplary embodiment of the deformation and / or partially dismantling projectile according to the invention, the The core part on the storey rear side is fastened to the jacket at least 5% stronger than the core part on the projectile front. The core part on the projectile rear side is preferably fastened to the jacket at least 10%, 15%, 20%, 25% or at least 30% more strongly than the core part on the projectile front. In a further development, it can be provided that the core part on the projectile rear side is fastened to the jacket at least 40%, 50%, 60%, 70%, 80%, 80% or at least 100% more strongly.

According to an exemplary development of the present invention, the core part on the projectile rear side is made from lead. Alternatively, the core part on the projectile rear side can also be made of tin, zinc or alloys thereof. Furthermore, the core part on the projectile front side can be made of lead and / or tin or alloys thereof. Zinc is another conceivable material. It has been found that lead is to be regarded as particularly advantageous with regard to the performance of the deformation and / or partially dismantling projectiles according to the invention.

According to a further aspect of the present invention, which can be combined with the preceding aspects and exemplary embodiments, a deformation and / or partially dismantling bullet, such as a hunting bullet, is provided. Partial fragmentation bullets are generally designed in such a way that when the bullet hits a target they break down in a controlled manner down to a defined residual body. Deformation bullets are usually characterized by a stable, controlled deformation.

The deformation and / or partial fragmentation projectile comprises a jacket. The jacket can be implemented as a rotationally symmetrical, in particular essentially cylindrical, hollow body which is designed to be open towards one end face. Metals, in particular hard metals such as copper, copper alloys, for example tombac, can be used as materials for the jacket. The jacket can, for example, have a preferably circumferential tear-off edge on its outer circumference, which can be arranged, for example, approximately at the transition between the ogive on the front of the floor and the rear of the floor. When the projectile hits a target, the tear-off edge can help the jacket to deform and / or break apart in the area of the ogive up to the tear-off edge. Furthermore, it can be provided that the ogive of the shell on the projectile front is torn off from the stern when the projectile hits a target, specifically along the spoiler edge. The tear-off edge can, for example, be oriented essentially perpendicular to the longitudinal axis of the bullet and also serve to determine the deformation and / or decomposition behavior of the deformation and / or partial decomposition bullet, in particular to limit deformation and / or decomposition of the bullet.

The deformation and / or partially dismantling projectile further comprises a two-part core arranged inside the casing and fastened to it, with a core part on the projectile front and a core part on the projectile rear. In particular in the case of a partially dismantling projectile according to the invention, the front-end core part is arranged in the jacket or dimensioned such that a front-end core tip of the front-end core part protrudes from the jacket and / or is not surrounded by a jacket. Both the core part on the projectile rear side and the core part on the projectile front side can rest completely circumferentially and along their entire outer surface on an inner circumference of the casing. Furthermore, the core parts can be arranged in the jacket in such a way that the floor-side core part rests on a floor-side floor of the jacket and / or that the projectile-front core part rests over the entire surface of the floor-side core part. For example, a dividing plane between the core part on the storey side and the bow-side core part is formed by a respective end face of the core parts, in particular a front face of the tail-end core part and a rear end face of the nose-end core part. The dividing plane between the core part on the rear of the storey and the front of the storey can be, for example, conical and oriented in the direction of the rear of the storey, i.e. from the inner circumference of the jacket are conical in the direction of the projectile tail up to a cone tip, which lies, for example, on an axis of rotation of the jacket. It was found that in the case of deformation and / or partially dismantling projectiles of the generic type, the tear-off edge is to be provided in the area of the dividing plane between the core parts. This means that an axial position of the tear-off edge on the projectile jacket with respect to the axial position or axial extension of the parting plane between the core parts and thus can be matched to a dimensioning of the core parts. For example, the tear-off edge lies between a start of the conical parting plane lying on the inner circumference of the jacket and an end of the parting plane that is on the rear of the floor and is designed as a tip of the cone. It has been found that such a positioning of the tear-off edge in relation to the parting plane between the core parts leads to reliable deformation and / or partial disintegration when the projectile hits a target.

According to the further aspect of the present invention, a connection technique for fastening the projectile bow-side differs Core part on the jacket, at least in sections, by a connection technology for fastening the core part on the floor rear side to the jacket. This means that the connection technology for fastening the core parts to the jacket does not necessarily have to differ along the complete connection areas of the respective projectile core with respect to the projectile jacket. For example, the connection technology differs by at least 30%, preferably at least 50%, 60%, 70%, 80%, 90% or preferably 100%, with respect to a total outer core area which is available for connection to the jacket. According to the present invention, it was found that the use of different connection techniques ensures a reliable function of the deformation and / or partial fragmentation bullet. In particular, a controlled, defined deformation and / or partial dismantling of the projectile is ensured, with it being ensured in particular that the different connection techniques react differently, in particular withstand, when the projectile hits the target. The construction methods of connecting individual components are generally described as connection techniques. The connection techniques can, for example, be divided into detachable connections and non-detachable connections, a connection generally being detachable if the connection can be detached again without damaging the connected individual components, and can be described as non-detachable if the individual components are removed from one another, ie when the connection between the individual components is broken, at least one of the individual components is destroyed.

According to an exemplary development of the present invention, the connection technology for fastening the floor-side core part to the jacket and the connection technology for fastening the floor-front-side core part to the jacket are based at least in sections on different physical operating principles. The connection techniques can also be subdivided according to physical operating principles, namely into form-fit, force-fit and material-fit, or combinations thereof. A form fit is generally referred to as a connection in which at least two connection partners interlock. A non-positive connection is based on a normal force existing between the surfaces of the connection partners to be connected. Cohesive connections are characterized by the fact that the connection partners are held together by atomic or molecular forces. According to an exemplary development of the deformation and / or partial dismantling projectile according to the invention, the core part on the rear of the projectile is firmly attached to the jacket, preferably soldered and / or welded and / or glued to the jacket. In particular, the core part on the projectile rear side forms a non-releasable connection with the jacket. Furthermore, the core part on the projectile front side can be attached to the jacket in a form-fitting and / or force-fitting manner. In particular, the cohesive fastening of the core part on the projectile rear side to the jacket ensures that it remains adhered to the jacket after the projectile hits the target and / or the positive and / or non-positive fastening of the frontal core part to the jacket ensures that when When the projectile hits the target, the projectile-side core part can detach from the shell, or the projectile-side ogive section of the shell can detach itself from the projectile-side core part, especially after being torn off along the tear-off edge.

In a further exemplary embodiment of the present invention, the core part on the projectile rear side is attached to the jacket by means of fusion soldering or diffusion soldering. Diffusion soldering or fusible soldering are thermal processes for the integral joining of metal connection partners. Diffusion soldering involves diffusion, i.e. This is accompanied by mixing at the interfaces between the bullet jacket and the bullet core that are to be attached to one another, and during fusion soldering, the soldered connection is generated by melting a solder. For the purposes of the present invention, the fusion soldering or diffusion soldering processes have proven to be particularly advantageous in terms of precision and functional reliability.

In a further exemplary embodiment of the present invention, an outer circumferential surface of the core part on the rear of the floor facing the jacket is bonded to an inner surface of the jacket, preferably soldered and / or welded and / or glued. According to an exemplary development, the outer circumferential area is more than 5%, 10%, 20%, 30%, 40%, 50%, 60%, 70%, 80%, 90% or preferably 100% of a total outer circumferential area of the core part on the floor rear the inner surface of the jacket is firmly bonded. It should be clear that by enlarging the areas of the rear-floor core part and jacket that are to be joined together in a materially bonded manner, the connection existing between the rear-floor core part and jacket is reinforced. According to the present invention, this can be varied or adjusted depending on the respective field of application of the deformation and / or partially fragmentation projectile according to the invention or depending on the materials used.

In an exemplary embodiment of the present invention, the core part on the projectile front is fastened to the casing in a frictionally engaged manner. This is particularly easy to manufacture. For example, the core part on the front of the projectile is pressed into the jacket and / or clamped in the jacket. It can be provided that the projectile nose-side core part is fastened to the jacket with the formation of a press fit. Furthermore, a radial oversize can be provided between the core part on the projectile front side and the jacket, preferably in the range from 0.001 mm to 0.01 mm.

According to a further aspect of the present invention, which can be combined with the preceding aspects and exemplary embodiments, a deformation and / or partially dismantling bullet is provided, such as a hunting bullet. Partial fragmentation bullets are generally designed in such a way that when the bullet hits a target they break down in a controlled manner down to a defined residual body. Deformation bullets are usually characterized by a stable, controlled deformation.

The deformation and / or partial fragmentation projectile comprises a jacket. The jacket can be implemented as a rotationally symmetrical, in particular essentially cylindrical, hollow body which is designed to be open towards one end face. Metals, in particular hard metals such as copper, copper alloys, for example tombac, can be used as materials for the jacket. The jacket can, for example, have a preferably circumferential tear-off edge on its outer circumference, which can be arranged, for example, approximately at the transition between the ogive on the front of the floor and the rear of the floor. When the projectile hits a target, the tear-off edge can help the jacket to deform and / or break apart in the area of the ogive up to the tear-off edge. Furthermore, it can be provided that the ogive of the shell on the projectile front is torn off from the stern when the projectile hits a target, specifically along the spoiler edge. The tear-off edge can, for example, be oriented essentially perpendicular to the longitudinal axis of the bullet and also serve to determine the deformation and / or decomposition behavior of the deformation and / or partial decomposition bullet, in particular to limit deformation and / or decomposition of the bullet.

The deformation and / or partially dismantling projectile furthermore comprises a two-part core arranged inside the casing, with a core part on the projectile front side and a core part on the projectile rear side. In particular in the case of a partially dismantling projectile according to the invention, the front-end core part is arranged in the jacket or dimensioned such that a front-end core tip of the front-end core part protrudes from the jacket and / or is not surrounded by a jacket. Both the core part on the projectile rear side and the core part on the projectile front side can rest completely circumferentially and along their entire outer surface on an inner circumference of the casing. Furthermore, the core parts can be arranged in the jacket in such a way that the floor-side core part rests on a floor-side floor of the jacket and / or that the projectile-front core part rests over the entire surface of the floor-side core part. For example, a dividing plane between the core part on the storey side and the bow-side core part is formed by a respective end face of the core parts, in particular a front face of the tail-end core part and a rear end face of the nose-end core part. The dividing plane between the core part on the rear of the storey and the front of the storey can be, for example, conical and oriented in the direction of the rear of the storey, i.e. from the inner circumference of the jacket are conical in the direction of the projectile tail up to a cone tip, which lies, for example, on an axis of rotation of the jacket. It was found that in the case of deformation and / or partially dismantling projectiles of the generic type, the tear-off edge is to be provided in the area of the dividing plane between the core parts. This means that an axial position of the tear-off edge on the projectile jacket with respect to the axial position or axial extension of the parting plane between the core parts and thus can be matched to a dimensioning of the core parts. For example, the tear-off edge lies between a start of the conical parting plane lying on the inner circumference of the jacket and an end of the parting plane that is on the rear of the floor and is designed as a tip of the cone. It has been found that such a positioning of the tear-off edge in relation to the parting plane between the core parts leads to reliable deformation and / or partial disintegration when the projectile hits a target. The two-part core can be made of lead and / or tin and / or zinc and / or alloys thereof, for example.

According to the further aspect of the present invention, a core part at the rear of the projectile is soldered to the adjacent jacket and a core part at the front of the projectile is essentially unsoldered, preferably pressed in with respect to the surrounding jacket, in particular with respect to the ogive section. According to the invention, the function of the deformation and / or partial fragmentation projectile is thereby ensured, in particular a reliable deformation and / or fragmentation is achieved when the projectile hits the target. In particular, the core part on the rear of the bullet remains after the bullet hits the target and / or, after the projectile has been deformed and / or dismantled, adhere to the jacket section surrounding the projectile rear.

According to a further aspect of the present invention, which can be combined with the preceding aspects and exemplary embodiments, a method for producing a deformation and / or partially dismantling projectile is provided. The method according to the invention is designed to implement the deformation and / or partially dismantling projectile according to one of the above aspects and / or exemplary embodiments.

Preferred embodiments are given in the subclaims.

• 1 eine perspektivische Ansicht eines Rohlings eines Mantels eines erfindungsgemäßen Deformations- und/oder Teilzerlegungsgeschosses;
• 2 eine Schnittansicht des Mantels gemäß 1;
• 3 eine weitere perspektivische Ansicht eines Mantels eines erfindungsgemäßen Deformations- und/oder Teilzerlegungsgeschosses gemäß einem nachgelagerten Bearbeitungs- und/oder Herstellungsschritt;
• 4 eine Schnittansicht des Mantels gemäß 3;
• 5 eine Schnittansicht eines erfindungsgemäßen Deformations- und/oder Teilzerlegungsgeschosses;
• 6 eine Schnittansicht eines weiteren erfindungsgemäßen Deformations- und/oder Teilzerlegungsgeschosses;
• 7 eine perspektivische Ansicht des Deformations- und/oder Teilzerlegungsgeschosses nach 6;
• 8 eine Schnittansicht einer weiteren Ausführung eines erfindungsgemäßen Deformations- und/oder Teilzerlegungsgeschosses; und
• 9 eine Schnittansicht einer weiteren beispielhaften Ausführung eines erfindungsgemäßen Deformations- und/oder Teilzerlegungsgeschosses.

In the following, further properties, features and advantages of the invention will become clear by means of a description of preferred embodiments of the invention with reference to the accompanying exemplary drawings, in which:

• 1 a perspective view of a blank of a jacket of a deformation and / or partially dismantling projectile according to the invention;
• 2 a sectional view of the jacket according to 1 ;
• 3 a further perspective view of a casing of a deformation and / or partially dismantling projectile according to the invention according to a downstream processing and / or manufacturing step;
• 4th a sectional view of the jacket according to 3 ;
• 5 a sectional view of a deformation and / or partially dismantling projectile according to the invention;
• 6th a sectional view of a further deformation and / or partially dismantling projectile according to the invention;
• 7th a perspective view of the deformation and / or partially dismantling projectile according to 6th ;
• 8th a sectional view of a further embodiment of a deformation and / or partially dismantling projectile according to the invention; and
• 9 a sectional view of a further exemplary embodiment of a deformation and / or partially dismantling projectile according to the invention.

In the following description of exemplary embodiments of deformation and / or partially dismantling projectiles according to the invention, a deformation and / or partially dismantling projectile is generally given the reference number 1 Mistake. In the course of the description of the exemplary embodiments of the deformation and / or partial fragmentation projectiles according to the invention 1 also schematically shows the method according to the invention for producing a deformation and / or partially dismantling projectile according to the invention 1 described.

Regarding the 1 to 4th are different manufacturing states of a jacket blank, denoted by the reference number 3 is provided for a deformation and / or partially fragmentation projectile according to the invention 1 shown. Regarding the 5 to 9 are exemplary embodiments of deformation and / or partially dismantling projectiles according to the invention 1 pictured.

In the 1 and 2 is a rotationally symmetrical, preferably essentially cylindrical, jacket blank 3 pictured. The jacket blank 3 owns a bottom 5 at one end and is to the other end 7th openly designed. Between the front sides 5 , 7th owns the jacket blank 3 an essentially constant wall thickness, but that of the floor 5 towards the front 7th preferably continuously and slightly decreases. In 1 is the wall thickness as well as one within the jacket blank 3 arranged projectile core 9 indicated by dashed lines, the wall thickness profile and that in the jacket blank 3 introduced core part 9 , which is made, for example, of lead or also of tin or zinc or alloys thereof. The one on the floor 5 overlying core part 9 , the one in the deformation and / or partial fragmentation projectile according to the invention described below 1 forms the core part on the rear of the storey is inserted into the shell blank using a thermal joining process 3 introduced and on an inner circumference 11 of the jacket blank 3 attached at least in sections. For example, the core part 9 to the jacket blank as follows 3 be attached: it becomes a flux, i.e. an additive used during soldering for better wetting of the jacket blank 3 by the solder, injected into the jacket and then the core part 9 to be formed metal material, for example lead, in the metal blank 3 introduced. Then the core part 9 for example brought to melt by means of an induction coil, the core part material 9 materially on the jacket blank 3 adheres. This is supported by the flux in that this is done before the core part material is melted 9 the jacket blank 3 on the inner peripheral surface 11 etches on. This allows a pronounced, strong intermetallic bond between the core part 9 and jacket blank 3 are formed. In 1 and 2 can also be seen on one in the ground 5 remote end section 13 of the core part 9 a cone preform 15th as a result of the method of fastening the core part according to the invention 9 on the jacket blank 3 results. The cone preform 15th is created in particular by the fact that the melted core part material 9 is heated in such a way that it begins to boil and thereby expands, in particular boils up. When the core part material cools down 9 to form the integral connections between the core part 9 and jacket blank 3 the liquid core part material slides 9 only partially back down and into the inside of the jacket, as there are already material connections between the inside of the jacket 11 and outer periphery of the bullet core end portion 13 have arisen. In particular, the volume of the liquefied and solidifying core part material shrinks 9 so that the core part material 9 increasingly towards the circumference of the coat 11 pulls and with it the cone preform 15th forms. It can be seen that the surface of the cone preform 15th is irregular, in particular wavy and / or structured, that is, irregular elevations 17th and depressions 19th owns.

In the 3 and 4th is the metal blank again 3 according to the 1 to 2 shown, with the 3 and 4th a downstream processing / manufacturing state in relation to the 1 to 2 acts. In particular with reference to 4th it can be seen that the end section 13 , especially the cone preform 15th with the surveys 17th and depressions 19th , was edited. For example, by means of a forming step such as a cold forming step, the irregular cone preform 15th to a regular, essentially flat surface 21st having conical recess 23 further edited. The essentially V-shaped or conical recess 23 compared to the cone preform 15th according to 2 a smaller axial dimension, with an opening angle of the surface forming the cone 21st larger than in 2 is.

In the 5 to 9 are exemplary embodiments of the deformation and / or partial fragmentation projectiles according to the invention 1 pictured. In the present description of the exemplary embodiments, the differences between the embodiments are essentially discussed in order to avoid repetition. The same or similar components are provided with the same or similar reference numbers. From the jacket blank 3 is according to 5 the bullet jacket 25th shaped one to the ground 5 subsequent bullet tail jacket 27 and one to the rear shell 27 subsequent projectile bow section shaped as an ogive 29 owns. First of all, the production will be discussed again: in the jacket blank 3 with preformed core part on the rear of the storey 9 becomes another core part 31 introduced and essentially over the entire surface in contact with the core part 9 brought, which now forms the core part on the projectile core side. The projectile bow side is the core part 31 on a shape of the core part on the projectile rear side 9 Voted. In particular, the projectile nose-side core part has 31 a substantially V-shaped or conical tip 33 that in relation to the cone recess 23 is matched to an in particular full-surface contact with the surface 21st the cone recess 23 to build. Then the projectile bow jacket is used 29 formed under heat treatment, ie in particular in the area of the front side 7th compressed inwards, so that the projectile bow jacket 29 to form the ogive towards the front 7th increasingly tapers. During the deformation of the bullet jacket 29 is a preferably cylindrical and pointed mandrel (not shown) from the end face 7th into the core part on the projectile front 31 introduced so that according to the in 5 illustrated final shape of the bullet jacket 25th the bow-side core part 31 an essentially blind hole-like depression 35 owns. The blind hole-like depression 35 has an inside diameter that is that of the diameter on the face 7th remaining opening 37 corresponds. Furthermore, it can be provided that the opening 37 of a circumferential, beveled and annular jacket face 39 is limited, in particular to the edition of a in relation to the 6th to 7th further core part shown, in particular a projectile core tip 41 , serves.

A preferably circumferential tear-off edge 43 is on the one hand in the area of the cone recess 23 or the cone tip 33 and on the other hand in the area of the transition between the projectile tail jacket 27 and projectile jacket 29 arranged. In particular, there is the tear-off edge 43 in an axial area in which the conical recess 23 extends. It has been found that the functionality of the partial dismantling and / or deformation projectiles 1 , in particular the controlled deformation and / or dismantling of the projectiles according to the invention 1 is guaranteed. For example, a tapering deformation of the ogive-shaped projectile bow section begins 29 from the tear-off edge 43 . The core part on the projectile front 31 is essentially unsoldered in the jacket 25th brought in. For example, the bow-side core part 31 in the coat 25th be pressed in and / or by form-fitting and / or force-flowing connection technology on the jacket 25th be attached. The tear-off edge 43 owns according to 5 an inwardly jutting paragraph 45 and a subsequent bevel 47 which in turn in the ogive-shaped projectile bow section 29 transforms.

In 7th is the bullet core tip 41 at least partially, especially the part that from the coat 25th excellent to see. The bullet core tip 41 is on their face 49 flattened. With reference to 6th it can be seen that the bullet core tip 41 made of the same material as the core part of the storey rear 9 and / or the bow-side core part 31 is made, a circumferential at an angle with respect to a longitudinal axis of the projectile 1 oriented support surface 51 having, with respect to the shell face 39 is matched in shape, in particular to lie fully and / or evenly. In the recess 35 can the bullet core tip 41 be introduced in this way or the bullet core tip 41 can be so with respect to a dimension of the recess 35 be sized that a cavity 53 which does not result from the projectile core tip 41 is occupied.

Regarding the 8th and 9 are two further exemplary embodiments of a deformation and / or partially dismantling projectile according to the invention 1 shown, where 8th essentially according to the execution 5 and 9 essentially according to the execution 6th corresponds. Therefore, only the differences with regard to the versions are discussed below. In the 8th and 9 is on an outer circumference 55 a preferably circumferential, in cross-section curved, in particular partially or semicircular, recess 57 introduced, which can also be referred to as a retaining groove, and the core part on the rear of the floor is used for this 9 regarding the bullet jacket 25th to hold on. As already explained, according to the invention the additional holding groove 57 and thus also to the corresponding additional manufacturing step for making the retaining groove 57 in the bullet jacket 25th can be dispensed with without sacrificing the controlled and / or defined deformation and / or dismantling of the deformation and / or partial dismantling projectiles according to the invention 1 to have to accept. However, the retaining groove 57 also with regard to handling, for example during the production and / or during the transport of the deformation and / or partially dismantling projectiles according to the invention 1 prove beneficial. Furthermore, the retaining groove 57 also an additional fixation of the core part on the storey rear side 9 in the bullet jacket 25th effect and thus serve as a kind of security. The execution according to 9 can essentially as a combination of the execution according to the 6th and 8th be considered, namely with regard to the additionally introduced retaining groove 57 and the inserted bullet core tip 41 .

The features disclosed in the above description, the figures and the claims can be important both individually and in any combination for realizing the invention in the various configurations.

List of reference symbols

1

Deformation and / or partial fragmentation projectile

3

Jacket blank

5

ground

7th

Face

9

Core part

11

Inner peripheral surface

13

End section

15th

Cone preform

17th

Elevation

19th

deepening

21st

Conical surface

23

Cone recess

25th

coat

27

Bullet tail jacket

29

Projectile jacket

31

Core part on the front of the storey

33

Cone tip

35

deepening

37

opening

39

Mantle face

41

Bullet core tip

43

Tear-off edge

45

paragraph

47

chamfer

49

Face

51

Support surface

53

cavity

55

Outer circumference

57

deepening

QUOTES INCLUDED IN THE DESCRIPTION

This list of the documents listed by the applicant was generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.

Patent literature cited

• DE 102015001559 A1 [0004]

Claims (11)

Deformation and / or partially dismantling projectile (1) comprising a jacket (3) and a two-part core arranged within the jacket (3) with a projectile nose-side core part (31) and a projectile-rear core part (9), characterized in that the core is in such a way the jacket (3) is attached so that the core part (9) on the projectile rear side is fastened more strongly to the jacket (3) than the core part (31) on the projectile nose. Deformation and / or partial fragmentation projectile (1) according to Claim 1 The core part (31) on the front of the projectile is fastened to the jacket (3) in such a way that, if the projectile hits a target, the core part (31) on the projectile can detach itself from the jacket (3), and / or the core part (3) on the rear of the projectile ( 9) is attached to the jacket (3) in such a way that when the projectile hits a target, the core part (9) on the rear of the projectile remains attached to the jacket (3). Deformation and / or partial fragmentation projectile (1) according to Claim 1 or 2 wherein the core part (9) on the projectile rear side is at least 5% stronger, preferably at least 10%, 15%, 20%, 25% or at least 30% stronger, attached to the jacket (3) than the frontal core part (31). Deformation and / or partially dismantling projectile (1) according to one of the preceding claims, wherein the rear core part (9) is made of lead and / or the front core part (31) is made of lead and / or tin. Deformation and / or partially dismantling projectile (1), in particular according to one of the preceding claims, comprising a jacket (3) and a two-part core arranged within the jacket (3) and attached to it, with a core part (31) on the projectile front and a core part on the projectile rear, characterized in that a connection technique for fastening the projectile bow-side core part (31) to the jacket (3) differs at least in sections from a connection technique for fastening the projectile rear core part (9) to the jacket (3). Deformation and / or partial fragmentation projectile (1) according to Claim 5 , the connection technology for fastening the front-end core part (31) and the connection technology for fastening the rear-end core part (9) to the jacket (3) are based, at least in sections, on different physical operating principles, in particular the core part (9) on the projectile end being firmly bonded to the jacket ( 3) is attached, preferably soldered and / or welded and / or glued to the jacket (3), and / or the front-end core part (31) is attached to the jacket (3) in a form-fitting and / or force-fitting manner. Deformation and / or partial fragmentation projectile (1) according to Claim 5 or 6th , wherein the core part (9) on the projectile rear side is attached to the jacket (3) by means of fusion soldering or diffusion soldering. Deformation and / or partial fragmentation projectile (1) according to one of the Claims 5 to 7th , wherein an outer circumferential surface of the core part (9) on the rear of the storey facing the shell (3) is flat, in particular more than 5%, preferably 100% of the total outer peripheral surface of the core part (9) on the rear of the storey, joined, preferably soldered, to an inner shell surface (11), is. Deformation and / or partial fragmentation projectile (1) according to one of the Claims 5 to 8th , wherein the core part (31) on the projectile front is frictionally fastened to the jacket (3), in particular pressed into the jacket (3) and / or clamped in the jacket (3), and / or with the formation of a press fit on the jacket (3) ) is attached, wherein in particular a radial oversize between the projectile nose-side core part (31) and jacket (3) is in the range of 0.001 mm to 0.01 mm. Deformation and / or partially dismantling bullet (1), in particular hunting bullet, in particular according to one of the preceding claims, comprising a jacket (3) and a two-part core, preferably made of lead and / or tin, arranged within the jacket (3), characterized in that a core part (9) at the rear of the storey is soldered to the adjacent jacket (3) and a core part (31) at the front of the floor is essentially unsoldered, preferably pressed in, with respect to the surrounding jacket (3). Method for producing a deformation and / or partially dismantling projectile (1) designed according to one of the preceding claims.

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