EP1222437A1 - Projectiles de petit calibre exempts de plomb - Google Patents
Projectiles de petit calibre exempts de plombInfo
- Publication number
- EP1222437A1 EP1222437A1 EP00964121A EP00964121A EP1222437A1 EP 1222437 A1 EP1222437 A1 EP 1222437A1 EP 00964121 A EP00964121 A EP 00964121A EP 00964121 A EP00964121 A EP 00964121A EP 1222437 A1 EP1222437 A1 EP 1222437A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- lead
- small
- projectile
- sleeve
- plastic
- 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
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
- F42B12/74—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, for example by shaping pieces cut from a lead wire into bullets in dies.
- Small-caliber shooting is a sport that is performed both outdoors and indoors.
- the firing of lead bullets produces gases containing lead dust that are harmful to health. For this reason, special regulations regarding ventilation must be observed when shooting in halls.
- the lead residues of the projectiles which are harmful to the environment, must be collected and disposed of.
- the measures required to protect people and the environment when firing lead bullets are complex and expensive.
- 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 .
- a material has sufficient trajectory stability due to its density.
- 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, which can easily be molded into a projectile by injection molding. Plastics that rot in nature are particularly advantageous. These bullets are removed naturally, so that no time-consuming collection is required.
- Influence on the trajectory properties of projectiles made of plastic can be influenced by adding high-density metal powder, for example tungsten, to the plastic.
- high-density metal powder for example tungsten
- Lead is generally softer than the materials mentioned for the projectile according to the invention. For this reason, the deformation of the rear end of the bullet lifts the barrel well.
- 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.
- the shape, depth and diameter of the recess from the rear of the projectile must be matched to the material used. This depression is usually in the form of a spherical cap. Only an optimal eyelid results in a precise shot. The deepening of a projectile made of lead-free material starting from the rear is therefore generally much more pronounced than that of a lead projectile.
- the depression can be hard Make up materials up to 65% of the length of the sleeve holder. This is usually about 3 mm long.
- the case receptacle of the projectile has a case insertion groove. This is the only way to achieve sleeve pinching with a fixed projectile seat and a long service life for the pinching tools. The sleeve pinching causes an even projectile pulling force. This has a positive effect on the precision of the shot and thus on the accuracy.
- the figure shows a small-caliber full storey 1 according to the invention, here made of a zinc alloy, on an enlarged scale.
- the sleeve receptacle 2 has the following differences: In order to achieve optimal lids with the hard material zinc, the depression in the form of a spherical cap 3 penetrates deeply into the sleeve receptacle 2 from the rear 4. As a result, the remaining walls of the sleeve receptacle 2, in particular in the area of the tail 4, become thin and therefore easily deformable even with zinc as a harder material than lead.
- the calotte 3 extends over a depth 7 into the sleeve receptacle 2 of the projectile.
- the depth 7 is 65% of the total length 8 of the sleeve receptacle 2.
- the sleeve receptacle 2 has a sleeve insertion groove 10.
- the sleeve edge 11 is pressed into this sleeve insertion groove 10, which causes a sleeve pinching 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)
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 true EP1222437A1 (fr) | 2002-07-17 |
| EP1222437B1 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)
| 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)
| 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 |
-
2000
- 2000-09-06 DE DE10043819A patent/DE10043819A1/de not_active Withdrawn
- 2000-09-06 EP EP00964121A patent/EP1222437B1/fr not_active Expired - Lifetime
- 2000-09-06 ES ES00964121T patent/ES2209989T3/es not_active Expired - Lifetime
- 2000-09-06 AU AU75154/00A patent/AU7515400A/en not_active Abandoned
- 2000-09-06 AT AT00964121T patent/ATE255719T1/de active
- 2000-09-06 DE DE50004672T patent/DE50004672D1/de not_active Expired - Lifetime
- 2000-09-06 WO PCT/EP2000/008682 patent/WO2001020246A1/fr not_active Ceased
Non-Patent Citations (1)
| Title |
|---|
| See references of WO0120246A1 * |
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 |
| EP1222437B1 (fr) | 2003-12-03 |
| AU7515400A (en) | 2001-04-17 |
| ATE255719T1 (de) | 2003-12-15 |
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