EP1222437B1 - Projectiles de petit calibre exempts de plomb - Google Patents

Projectiles de petit calibre exempts de plomb Download PDF

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Publication number
EP1222437B1
EP1222437B1 EP00964121A EP00964121A EP1222437B1 EP 1222437 B1 EP1222437 B1 EP 1222437B1 EP 00964121 A EP00964121 A EP 00964121A EP 00964121 A EP00964121 A EP 00964121A EP 1222437 B1 EP1222437 B1 EP 1222437B1
Authority
EP
European Patent Office
Prior art keywords
lead
projectile
environment
sleeve
small
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
EP00964121A
Other languages
German (de)
English (en)
Other versions
EP1222437A1 (fr
Inventor
Heinz Riess
Peter Wagner
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.)
RWS GmbH
Original Assignee
RUAG Ammotec GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by RUAG Ammotec GmbH filed Critical RUAG Ammotec GmbH
Publication of EP1222437A1 publication Critical patent/EP1222437A1/fr
Application granted granted Critical
Publication of EP1222437B1 publication Critical patent/EP1222437B1/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
    • F42B12/72—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the material
    • F42B12/74—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the material of the core or solid body
    • F42B12/745—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the material of the core or solid body the core being made of plastics; Compounds or blends of plastics and other materials, e.g. fillers
    • 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
    • F42B12/74—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the material of the core or solid body

Definitions

  • the invention relates to a small-caliber full floor.
  • Small caliber bullets are usually made of lead and lead alloys produced, for example, by cutting pieces into pieces cut from a lead wire Matrices are deformed to projectiles.
  • Small bore shooting is a sport that is carried out both outdoors and in halls.
  • the shooting of Lead bullets produce gases containing lead dust that are harmful to health. Therefore, when shooting in halls, special regulations regarding the Ventilation must be observed.
  • the for Lead residues of the projectiles which are harmful to the environment, are collected and disposed of become.
  • the measures required when firing lead bullets Protection of people and the environment is complex and expensive.
  • a projectile which is made of zinc or Zinc alloys is made.
  • the Kem enclosed with a coat tailored to this purpose. For example, if you don't want the story to disassemble, the core is with one Enclosed copper sheath.
  • the projectile core is for practice purposes enclosed in a plastic jacket, preferably made of nylon. The rear surface of the The bullet is straight and is only encompassed by the coat at the edge.
  • a small-caliber bullet made of a lead-free material is proposed according to the invention, the density of which is> 5 g / cm 3. Because of its density, such a material has sufficient trajectory stability. When firing, there are no toxic pencils and when firing outdoors, the bullet remains do not have to be collected as they do not contaminate the environment.
  • the metals tin or zinc or alloys of these two materials belong as particularly suitable materials, which are suitable both in terms of their hardness, their density and their harmlessness to the environment.
  • Tin has a density of about 7.2 g / cm 3 and zinc of about 7.3 g / cm 3 .
  • the material can also be a plastic, preferably a Thermoplastic that can easily be molded into a projectile by injection molding. Plastics that rot in nature are particularly advantageous. These bullets are eliminated naturally, so that no time-consuming collection is required is required.
  • Lead is compared to the materials mentioned for the projectile according to the invention usually softer. Therefore, the deformation of the rear floor causes a good eyebrows.
  • Soft lead has a Vickers hardness of around 5 HV. The Vickers hardness of tin is also around 5 HV, while the hardness of pure zinc is 35 HV is.
  • depth and Diameter can be matched to the material used. This The depression generally has the shape of a spherical cap. Only an optimal eyelid results a precise shot. The indentation of a storey from the rear lead-free material is therefore usually much more pronounced than in a lead bullet.
  • the depression can be hard Make up materials up to 65% of the length of the sleeve holder. This is in the Usually about 3 mm long.
  • the sleeve receptacle of the projectile has a sleeve insertion groove on. This is the only way a pinch with a fixed projectile seat and a high Tool life can be achieved. The pinching causes a uniform projectile pull-out force. This has a positive effect on the precision of the Shot and thus on the accuracy.
  • the figure shows a small-caliber full floor 1 according to the invention, here from one Zinc alloy, on an enlarged scale.
  • the sleeve receptacle 2 has the following differences: by one in the hard Zinc material to achieve optimal lids penetrates the deepening in the form of a Dome 3 from the rear 4 deep into the sleeve receptacle 2. This will make the remaining walls of the sleeve receptacle 2, in particular in the area of the tail 4, thin and therefore light even with zinc as a harder material than lead deformable.
  • the calotte 3 From the rear 4 of the floor 1 to the pole 5 of the calotte 3, which on the Axis 6 of the projectile lies, the calotte 3 extends over a depth 7 into the Shell receptacle 2 of the projectile.
  • the depth is 7 in the present Embodiment 65% of the total length 8 of the sleeve receptacle 2.
  • the sleeve receptacle 2 a sleeve feed groove 10.
  • the sleeve edge 11 is in this sleeve insertion groove 10 indented, which causes a sleeve pinch with a fixed projectile seat.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Toys (AREA)
  • Glass Compositions (AREA)
  • Housing For Livestock And Birds (AREA)
  • Processing Of Solid Wastes (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Floor Finish (AREA)

Claims (3)

  1. Projectile massif (1) de petit calibre en un matériau exempt de plomb, présentant une densité > 5g/cm3, caractérisé en ce que la partie d'attache de douille (2) du projectile (1) sans enveloppe présente une cavité (3) qui s'étend à partir de l'arrière (4) et dont la profondeur (7), selon la dureté du matériau, représente jusqu'à 65 % de la longueur de la partie d'attache de douille (2).
  2. Projectile massif de petit calibre selon la revendication 1, caractérisé en ce que la cavité (3) a la forme d'une calotte sphérique.
  3. Projectile massif de petit calibre selon la revendication 1 ou 2, caractérisé en ce que la partie d'attache de douille (2) présente une gorge (10) de sertissage de la douille.
EP00964121A 1999-09-11 2000-09-06 Projectiles de petit calibre exempts de plomb Expired - Lifetime EP1222437B1 (fr)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
DE19943590 1999-09-11
DE19943590 1999-09-11
DE10023162 2000-05-11
DE10023162 2000-05-11
PCT/EP2000/008682 WO2001020246A1 (fr) 1999-09-11 2000-09-06 Projectiles de petit calibre exempts de plomb

Publications (2)

Publication Number Publication Date
EP1222437A1 EP1222437A1 (fr) 2002-07-17
EP1222437B1 true EP1222437B1 (fr) 2003-12-03

Family

ID=26005639

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00964121A Expired - Lifetime EP1222437B1 (fr) 1999-09-11 2000-09-06 Projectiles de petit calibre exempts de plomb

Country Status (6)

Country Link
EP (1) EP1222437B1 (fr)
AT (1) ATE255719T1 (fr)
AU (1) AU7515400A (fr)
DE (2) DE10043819A1 (fr)
ES (1) ES2209989T3 (fr)
WO (1) WO2001020246A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005020988A1 (de) * 2005-05-03 2006-11-09 Strauß, Rupert Ecobrass-Geschoss
US10222183B2 (en) * 2015-03-02 2019-03-05 Timothy G. Smith Lead-free rimfire projectile
USD778392S1 (en) 2015-03-02 2017-02-07 Timothy G. Smith Lead-free rimfire projectile

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4016817A (en) * 1975-10-10 1977-04-12 Moises Arciniega Blanco Bullet for hunting shotguns
US4517898A (en) * 1979-12-14 1985-05-21 Davis Dale M Highly accurate projectile for use with small arms
US5237930A (en) * 1992-02-07 1993-08-24 Snc Industrial Technologies, Inc. Frangible practice ammunition
US5913256A (en) * 1993-07-06 1999-06-15 Lockheed Martin Energy Systems, Inc. Non-lead environmentally safe projectiles and explosive container
GB9318437D0 (en) * 1993-09-06 1993-10-20 Gardner John Christopher High specific gravity material
US5535495A (en) * 1994-11-03 1996-07-16 Gutowski; Donald A. Die cast bullet manufacturing process
AU693557B2 (en) * 1995-01-26 1998-07-02 Federal Cartridge Company Non-toxic bullet

Also Published As

Publication number Publication date
WO2001020246A1 (fr) 2001-03-22
DE10043819A1 (de) 2001-03-22
ES2209989T3 (es) 2004-07-01
DE50004672D1 (de) 2004-01-15
AU7515400A (en) 2001-04-17
EP1222437A1 (fr) 2002-07-17
ATE255719T1 (de) 2003-12-15

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