EP0895573B1 - Projectile a expansion - Google Patents

Projectile a expansion Download PDF

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Publication number
EP0895573B1
EP0895573B1 EP97917169A EP97917169A EP0895573B1 EP 0895573 B1 EP0895573 B1 EP 0895573B1 EP 97917169 A EP97917169 A EP 97917169A EP 97917169 A EP97917169 A EP 97917169A EP 0895573 B1 EP0895573 B1 EP 0895573B1
Authority
EP
European Patent Office
Prior art keywords
collar
dome
tip
expansion
projectile
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.)
Expired - Lifetime
Application number
EP97917169A
Other languages
German (de)
English (en)
Other versions
EP0895573A1 (fr
Inventor
Udo Winter
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP0895573A1 publication Critical patent/EP0895573A1/fr
Application granted granted Critical
Publication of EP0895573B1 publication Critical patent/EP0895573B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • F42B12/02—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect
    • F42B12/34—Projectiles, 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 an expansion projectile with a one-piece projectile body, the face of a central dome and a coaxial surrounding the dome Collar forms, the collar tapering towards the free collar edge It has an external shape and a cavity open to the front between the collar and the dome is provided.
  • Such an expansion floor is known from US-A-3 881 421.
  • Expansion floors in Have monoblock construction made of copper, copper alloys or soft iron or the like has so far not proven itself, since they usually have to be machined and have a lower weight than a lead core projectile.
  • the expansion floors made of lead or with a lead core when mushrooming in the soft Target material splinters off or it at least occurs when penetrating the target medium considerable lead wear on the surface of the deformed bullet, which is associated with a very undesirable dangerous pollution, so that Pursuing lead and lead alloys largely in bullet manufacturing to avoid.
  • the well-known expansion floors show through their Expansion effect when hitting hard target material only little penetration effect and can therefore only be used for special ammunition.
  • the invention is therefore based on the object to eliminate these deficiencies and a To create an expansion floor of the type described above, which is rational as Monoblock bullet can be made without the use of lead or lead alloys can, which is characterized by its diverse range of applications and splinter-free in soft target medium penetrates and which is not least fully suitable for automatic weapons.
  • the invention solves this problem in that the dome consists of shaft and tip, that the collar of the cathedral at least in the transition area between the shaft and Touches the tip and that the dome at least up to the axial height of the collar edge towering.
  • a one-piece projectile body is created, which is comparatively different low effort in a multi-stage pressing process from a cylindrical starting material can be made so that this monoblock project also as desired can be produced from copper, a copper alloy, such as tombac, or soft iron. Since the collar and dome only leave a relatively small cavity, the Compared to other expansion bullets, the weight is quite high the renunciation of lead cores and Like. Allows without loss of shot power.
  • the shaft essentially has an axially symmetrical shape with straight axially parallel or generators leaning forward to the axis and the subsequent ones Point an obtuse-angled axial section, there are favorable conditions for the manufacture of the projectile body by a pressing process and it is possible to Collar flawlessly to be able to put on the shaft and top of the cathedral, what before is especially important in the top area of the cathedral when hitting hard target medium.
  • the shaft of the mandrel will usually be cylindrical or frustoconical, but it is also possible to prismatic or truncated pyramid design what happens when you put the collar on the tip and shaft along the edges notch-related predetermined breaking points, which causes the collar to mushroom Splitting into strips easier.
  • the projectile diameter tapers stronger towards the tip than through the pure outer shape of the collar, what improves the bullet's suitability for self-loading weapons.
  • the collar can also be pressed against the dome tip in the edge area, as a result of which the Size of the cavity open to the front is minimized and the suitability of the Bullet can be reinforced as a solid jacket bullet.
  • the collar in the edge area can improve Have predetermined breaking points, which by dividing the collar into strips facilitate rolling up the collar against the weft direction. It is possible, the predetermined breaking points by notches or the like. on the inner surface of the jacket or outside surface or only at the collar edge.
  • bulletproof glass or the like can be a hard material shell on the cathedral be put on, which can also influence the weight of the projectile.
  • the projectile body has a bottom-side recess, which optionally extends into the cathedral.
  • This recess can remain hollow to reduce the weight of the projectile, it can but also to increase weight with specifically heavy material such as tungsten, Bismuth etc., be filled and it also offers the possibility of one when firing fill in a tracer chemical mass.
  • the mandrel has a hollow that is open towards the tip, the can be used for special cases Expansion effect can be increased because it then hits soft The target medium rolls up both the collar and the mandrel.
  • an expansion floor 1 consists of a floor body 2, the front into a central dome 3 and a coaxially surrounding the dome Collar 4 merges, the collar 4 tapering towards the collar edge 5 Has outer shape 6 and between collar 4 and dome 3 an open to the front Cavity 7 is provided.
  • the projectile body 2 is preferably a monoblock Copper or a copper alloy or from soft iron, made and to increase of the weight based on the total volume, mandrel 3 and collar 4 are largely pressed close together.
  • the dome 3 forms a shaft 31 and a tip 32, it projects up to the axial height of the collar edge 5 and the collar 4 touches the shaft 3 at least in the transition region 33 between the shaft 31 and Tip 32.
  • a lead-free monoblock floor is created, due to the small cavity 7 nevertheless has a comparatively high bullet weight in the tip area.
  • the special design of the cathedral and mantle responds to this expansion floor when penetrating into soft target medium like a conventional expansion bullet Mushrooming of the collar 4 (Fig. 3), which leads to a high shock effect, it behaves but when hitting a hard target medium like a solid jacket bullet with high Penetration effect, since the edge area of the collar 4 by opening hard surfaces is pressed against the mandrel tip 32 (Fig. 4).
  • Through targeted Design differences of mandrel and collar allow the expansion effects or affect full-coat effects as desired, breaking points 8 in Edge region of the collar 4 for a segment-shaped rolling up of the collar 4 lead against the shot direction and thus additionally improve the expansion can.
  • the expansion floor according to the invention can be started in various ways adapt special tasks and effects without changing the basic structure to have to:
  • This annular gap 171 contributes to the expansion effect due to the forward opening Cavity 107 between mandrel tip 132 and collar edge 105 nothing.
  • the dome 103 can also have a cavity 115 open towards the top 132 have, whereby when striking soft target medium collar 104 and dome 103 mushrooms and the expansion effect is strengthened. This cavity also bears 115 to increase the radial elasticity of the base body 102.
  • the mandrel 203 can have a polygonal, For example, have a hexagonal cross-section, so that in the inner wall 241 of the collar 204 pressed-in edges 234 predetermined breaking points arise, similar to the notches 8 in the area of the collar edge 5 according to FIGS. 1 and 2 act and the roll of the collar 204 when hitting soft target medium facilitate.
  • the expansion floor 301 forms one with its base body 302 Mandrel 303, which is an axially symmetrical shape with a straight forward axis A tending generatrix E, with a circular cross section a truncated cone or, in the case of a polygonal cross section, results in a truncated pyramid.
  • the associated collar 304 conforms conformably to the dome 331.
  • the tip 332 adjoining the shaft 331 has a blunt conical shape Axial section, d. H. in axial section the opening angle a is at least 90 °.
  • an expansion floor 401 is provided, in which the collar 404 is pressed against the dome 403 along the entire inner wall, so that the Area of the collar edge 405 rests on the surface of the dome tip 432. It there remains only a very small cavity 407 open to the front, as a result of which the Full shell effect of the projectile is reinforced.
  • the expansion floor 501 is designed to be particularly hard To be able to penetrate objects, including a hard material cover on the Dom 503 9, for example a steel cap, is put over.
  • a hard material cover on the Dom 503 9 for example a steel cap
  • an expansion floor 601 is illustrated, the floor body 602 on the end face in a mandrel 603 and a coaxial to the dome Collar 604 merges.
  • the projectile body 602 is, however, open at the bottom Provide recess 10, for example a tracer when firing Record the generating chemical mass, but also to influence the weight of the projectile remain hollow or can be filled with specifically heavy material.
  • FIG. 11 shows an expansible projectile 701 which can be used for hunting, in which the mandrel 703 with a slender tip 732 over the edge 705 of the collar 704 towering.
  • Bullet body 802 is here provided with a recess 810 at the bottom and with an additional weight 11 made of specifically heavy material, such as tungsten or bismuth, but also lead.
  • an inventive one can be Expansion storey 1 in a few steps by a pressing process largely without Machining, whereby from a cylindrical blank 1a is assumed.
  • this blank 1a is in a pressing tool 12 Die 13 and punch 14 introduced and in a first pressing step to one frustoconical rough form 1b pressed with mandrel and collar.
  • This raw form 1b comes in the following pressing step according to FIG. 14 into a pressing tool 112 Blank adapted die 113 and suitable punch 114, so that with this Tool made a raw floor 1c cylindrical basic shape with collar and mandrel 15, then in the next pressing step according to FIG.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Toys (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
  • Building Environments (AREA)
  • Cutting Tools, Boring Holders, And Turrets (AREA)
  • Percussive Tools And Related Accessories (AREA)
  • Golf Clubs (AREA)
  • Glass Compositions (AREA)
  • Inorganic Insulating Materials (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)

Claims (8)

  1. Projectile à expansion (1), avec un corps de projectile (2) d'une seule pièce, constituant frontalement un dard central (3) et une collerette (4) entourant coaxialement le dard (3), la collerette (4) présentant une forme extérieure allant en s'effilant en direction du bord libre (5) de la collerette et, entre la collerette (4) et le dard (3), étant prévu un espace creux (7) ouvert vers l'avant, caractérisé par le fait que le dard (3) est constitué d'une tige (31) et d'une pointe (32), par le fait que la collerette (4) est en contact avec le dard (3) au moins dans la zone de transition (33) entre la tige (31) et la pointe (32), et par le fait que le dard (3) monte au moins jusque dans la zone de hauteur axiale de la bordure de collerette (5).
  2. Projectile à expansion selon la revendication 1, caractérisé par le fait que la tige (31, 331) présente essentiellement une configuration à symétrie axiale avec des génératrices (E) rectilignes parallèles à l'axe, ou bien inclinées vers l'avant par rapport à l'axe (A), et la pointe (32, 332) raccordée présente une forme en coupe axiale à angle obtus.
  3. Projectile à expansion selon la revendication 1 ou 2 caractérisé par le fait que la collerette (4) est enfoncée radialement vers l'intérieur dans la zone de bordure (figure 1).
  4. Projectile à expansion selon la revendication 1 ou 2, caractérisé par le fait que la collerette (404) est pressée, dans la zone de bordure, sur la pointe de dard (432) (figures 8 et 9)
  5. Projectile à expansion selon l'une des revendications 1 à 4, caractérisé par le fait que la collerette (4) présente dans la zone de bordure des points destinés à la rupture (8) (figure 1).
  6. Projectile à expansion selon l'une des revendications 1 à 5, caractérisé par le fait qu'une douille en matériau dur (9) est enfoncé sur le dard (503)(figure 9).
  7. Projectile à expansion selon l'une des revendications 1 à 6, caractérisé par le fait que le corps de projectile (602, 802) présente un évidement (10, 810) situé côté fond, qui s'étend, le cas échéant, jusque dans le dard (603) (figures 10 et 12).
  8. Projectile à expansion selon l'une des revendications 1 à 7, caractérisé par le fait que le dard (103) comporte une cavité (115) ouverte vers la pointe (132) (figure 5).
EP97917169A 1996-04-24 1997-04-24 Projectile a expansion Expired - Lifetime EP0895573B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
AT0073996A AT405977B (de) 1996-04-24 1996-04-24 Expansionsgeschoss
AT739/96 1996-04-24
AT73996 1996-04-24
PCT/AT1997/000078 WO1997040334A1 (fr) 1996-04-24 1997-04-24 Projectile a expansion

Publications (2)

Publication Number Publication Date
EP0895573A1 EP0895573A1 (fr) 1999-02-10
EP0895573B1 true EP0895573B1 (fr) 2000-05-24

Family

ID=3498527

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97917169A Expired - Lifetime EP0895573B1 (fr) 1996-04-24 1997-04-24 Projectile a expansion

Country Status (9)

Country Link
US (1) US6148731A (fr)
EP (1) EP0895573B1 (fr)
AT (2) AT405977B (fr)
AU (1) AU717451B2 (fr)
CA (1) CA2253375C (fr)
DE (1) DE59701769D1 (fr)
ES (1) ES2147987T3 (fr)
PT (1) PT895573E (fr)
WO (1) WO1997040334A1 (fr)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2795170B1 (fr) * 1999-06-18 2002-06-28 Jean Claude Sauvestre Balle a fleche interne portee
US6244186B1 (en) 1999-07-26 2001-06-12 Joseph F. L. John Pichard Air gun pellet
RU2172922C1 (ru) * 2000-03-10 2001-08-27 Открытое акционерное общество Новосибирский завод низковольтной аппаратуры Охотничий патрон стрелкового оружия
US6837165B2 (en) 2001-11-09 2005-01-04 Olin Corporation Bullet with spherical nose portion
CZ20021869A3 (cs) 2002-05-30 2004-01-14 Vlastimil Libra Průbojná podkaliberní střela
BE1015436A3 (fr) * 2003-03-24 2005-04-05 Denis Jean Paul Louis Projectile d'arme a feu.
US7966937B1 (en) 2006-07-01 2011-06-28 Jason Stewart Jackson Non-newtonian projectile
US8789470B2 (en) * 2011-02-07 2014-07-29 Olin Corporation Segmenting slug
US20150090147A1 (en) * 2013-10-01 2015-04-02 Ward Kraft, Inc. Customizable Projectile Designed for Separation
US9354027B2 (en) 2013-10-24 2016-05-31 G2 Research Inc. Fragmenting projectile
CA2940332A1 (fr) * 2014-02-25 2015-09-03 Ruag Ammotec Gmbh Projectile a deformation enduit
US10663271B2 (en) 2016-10-13 2020-05-26 G2 Research Inc. Predictably fragmenting projectiles having internally-arranged geometric features
US10551154B2 (en) * 2017-01-20 2020-02-04 Vista Outdoor Operations Llc Rifle cartridge with improved bullet upset and separation
US10690464B2 (en) 2017-04-28 2020-06-23 Vista Outdoor Operations Llc Cartridge with combined effects projectile
US10443990B2 (en) * 2017-06-08 2019-10-15 Connor Yadon Fragmenting shotgun projectile with radially-disposed segments
DE102017011359A1 (de) 2017-12-08 2019-06-13 Ruag Ammotec Gmbh Intermediat zum Fertigen von Projektilen eines Deformationsgeschosses, Projektil, deformiertes Projektil, Werkzeug zum Fertigen des Intermediats und Verfahren zum Herstellen des Intermediats
US11226185B2 (en) 2018-06-05 2022-01-18 Wayne B. Norris Projectile having adaptive expansion characteristics
DE102022121811A1 (de) * 2022-08-29 2024-02-29 Rws Gmbh Geschoss mit reduzierter Laufbelastung

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4044685A (en) * 1971-06-18 1977-08-30 Hirtenberger Patronen-, Zundhutchen- Und Metallwarenfabrik Aktiengesellschaft Jacketless hunting bullet with roll-back cutting flags
US3881421A (en) * 1974-02-14 1975-05-06 Thomas J Burczynski Bullet
DE2541632A1 (de) * 1975-09-18 1977-03-24 Schirnecker Hans Ludwig Ing Patrone fuer faust- und schulterwaffen
FI69367C (fi) * 1975-08-09 1986-01-10 Schirnecker Hans Ludwig Kula foer finkalibrigt vapen
DE3638721A1 (de) * 1985-11-26 1987-05-27 Dynamit Nobel Ag Doppelkammer-geschoss
AT393559B (de) * 1988-08-02 1991-11-11 Winter Udo Mag Geschoss
US5187325A (en) * 1991-08-15 1993-02-16 Garvison Geary L Cylindrical bullet
US5185495A (en) * 1992-04-13 1993-02-09 Petrovich Robert M Projective with improved flowering
AT399581B (de) * 1992-09-30 1995-06-26 Winter Udo Geschoss und verfahren zu seiner herstellung

Also Published As

Publication number Publication date
EP0895573A1 (fr) 1999-02-10
ATA73996A (de) 1999-05-15
AU717451B2 (en) 2000-03-23
ES2147987T3 (es) 2000-10-01
AU2561397A (en) 1997-11-12
DE59701769D1 (de) 2000-06-29
CA2253375A1 (fr) 1997-10-30
CA2253375C (fr) 2005-10-11
ATE193374T1 (de) 2000-06-15
AT405977B (de) 2000-01-25
US6148731A (en) 2000-11-21
PT895573E (pt) 2000-09-29
WO1997040334A1 (fr) 1997-10-30

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