EP2721366A1 - Munition d'arme a feu de gros calibre pour le tir d'un projectile - Google Patents
Munition d'arme a feu de gros calibre pour le tir d'un projectileInfo
- Publication number
- EP2721366A1 EP2721366A1 EP12731119.9A EP12731119A EP2721366A1 EP 2721366 A1 EP2721366 A1 EP 2721366A1 EP 12731119 A EP12731119 A EP 12731119A EP 2721366 A1 EP2721366 A1 EP 2721366A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- case
- cartridge
- projectile
- wad
- chamber
- 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
- F42B7/00—Shotgun ammunition
- F42B7/02—Cartridges, i.e. cases with propellant charge and missile
- F42B7/08—Wads, i.e. projectile or shot carrying devices, therefor
Definitions
- the invention relates to the technical field of large caliber firearm ammunition.
- the invention relates to a munition designed for the firing of projectiles shaped to avoid impact penetration on an individual in particular.
- the projectile may for example be in the form of a spherical body, without excluding other form.
- the projectile can be full and realized in different materials always having as objective to avoid any penetration to the impact.
- the spherical body may delimit an internal chamber or reservoir capable of receiving products to be dispersed.
- this type of ammunition comprises a generally cylindrical case.
- One end of the case is intended to receive the projectile, while the other end has a chamber adapted to receive, for example, a propellant cartridge.
- the projectile is mounted in a bucket engaged from the open end of the case.
- the cartridge of reduced size and 12 gauge, for example, has, in closure, a wad for sealing especially.
- the flock When the cartridge is struck for firing the projectiles, the flock is ejected and hits, randomly, the bottom of the bucket receiving the projectile.
- the impact of the flock can modify the trajectory of the projectile, and consequently, impact the precision of the shot, in particular when the bottom of the bucket has a hemispherical profile to match the projectile.
- the object of the invention is to remedy these disadvantages in a simple, safe, effective and rational manner.
- the problem to be solved by the invention is to channel the flock at the time of shooting, with the aim that it no longer comes into contact with the case receiving the projectile and is no longer rejected in nature.
- the case has at least one means able on the one hand, to stop the wad at the time of percussion of the cartridge so that said wad does not come into contact with the bottom of the bucket for that it is directly subjected to the pressure of the gas and, secondly, to retain the wad inside the holster.
- the means is disposed above the chamber receiving the cartridge, or above the cartridge when the latter overflows from said chamber.
- the means is constituted by at least one rod disposed perpendicular to the axis of the case.
- the rod is a pin transversely engaged in the bore of the holster.
- the means is constituted by a ring with elastic deformation capacity to be inserted in the case, said ring having at least one branch adapted to close the chamber receiving the cartridge.
- FIG. 1 is a longitudinal sectional view of the case according to one embodiment of the invention and before introduction of the bucket and the projectile.
- FIG. 2 is a cross-sectional view along the line II - II of FIG.
- Figure 3 is a view similar to Figure 1 after placing the bucket and the projectile in the form of a spherical body and introduction of the cartridge with the fluff in the chamber of the case.
- Figure 4 is a view similar to Figure 3 after the firing of the projectile, showing the retention of the fluff in the chamber of the cartridge.
- FIG. 5 is a cross-sectional view of the case showing another embodiment of the blocking means of the flock.
- the ammunition includes, in a perfectly known manner, a holster
- one end (la) is open while the opposite end has a coaxial chamber (lb) for receiving a cartridge (2) of reduced size.
- the cartridge (2) of reduced size.
- the projectile (2) is of 12 gauge and has, in closure, a wad (3).
- the projectile (4) is constituted, in the example of the drawings, by a hollow or solid spherical body, housed in a cup (5) engaged from the open end (la) of the case (1).
- the bottom (5a) of the bucket has a hemispherical profile corresponding to the profile of the projectile (4).
- the bottom (5a) is recessed from one end of the bucket (5) to define a zone (5b) for channeling the pressure of the gases at the time of the percussion of the cartridge (2).
- the projectile may have another geometric shape, cylindrical for example.
- the case has at least one means (6) shaped and suitably positioned inside the case (5), for stopping the flock at the time of the percussion of the cartridge (2) so that said pad does not come into contact with the bottom (5a) of the cup (5).
- the means (6) also serves to retain the wad (3) inside the holster so that it is not rejected in nature at the time of firing.
- the means (6) is disposed above and substantially in contact with the end of the chamber (1b) receiving the cartridge (2) and the wad (3), or above the assembly cartridge (2), wad (3), when it overflows said chamber.
- the means (6) is constituted by at least one rod (7) disposed perpendicular to the longitudinal axis of the case (1).
- the rod (7) is constituted by a pin engaged transversely in the bore of the case (1).
- the means (6) is constituted by a ring (8) with resilient deformation capacity to be inserted into the case (1).
- this ring (8) is of generally circular shape and has two substantially parallel branches (8a) and (8b) oriented inside the ring, delimiting an opening (8c) in order to provide the desired elasticity ring audit (8).
- the spacing of the two branches (8a) and (8b) is determined to be smaller than the diameter of the chamber (la) receiving the cartridge (2).
- the free ends of branches (8a) and (8b) can be bent at (8a 1) and (8b 1) to facilitate the gripping of the ring and its elastic deformation at the time of introduction into the case (1).
- the ring (8) is disposed above and substantially in contact with the free end of the chamber (la), or of the entire cartridge when it overflows from said chamber.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Toys (AREA)
- Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1155322A FR2976658B1 (fr) | 2011-06-17 | 2011-06-17 | Munition d'arme a feu de gros calibre pour tir d'un projectile |
| PCT/FR2012/051258 WO2012172233A1 (fr) | 2011-06-17 | 2012-06-06 | Munition d'arme a feu de gros calibre pour le tir d'un projectile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP2721366A1 true EP2721366A1 (fr) | 2014-04-23 |
| EP2721366B1 EP2721366B1 (fr) | 2015-08-12 |
Family
ID=46420433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP12731119.9A Active EP2721366B1 (fr) | 2011-06-17 | 2012-06-06 | Munition d'arme a feu de gros calibre pour le tir d'un projectile |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP2721366B1 (fr) |
| FR (1) | FR2976658B1 (fr) |
| RS (1) | RS54322B1 (fr) |
| WO (1) | WO2012172233A1 (fr) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3983817A (en) * | 1975-05-19 | 1976-10-05 | Remington Arms Company, Inc. | Spotting projectile |
| US4686905A (en) * | 1985-07-26 | 1987-08-18 | Attila Szabo | Cartridge for frangible projectile |
| FR2669996B3 (fr) * | 1990-11-30 | 1993-11-05 | Verney Carron Sa | Projectile pour munitions d'armes a feu de gros calibre. |
| US7930977B2 (en) * | 2007-02-26 | 2011-04-26 | Klein John M | Non-lethal projectile ammunition |
| FR2925666B1 (fr) * | 2007-12-20 | 2010-01-15 | Verney Carron Sa | Munition d'arme a feu de gros calibre pour le tir d'un projectile constitue par au moins un corps spherique |
-
2011
- 2011-06-17 FR FR1155322A patent/FR2976658B1/fr not_active Expired - Fee Related
-
2012
- 2012-06-06 WO PCT/FR2012/051258 patent/WO2012172233A1/fr not_active Ceased
- 2012-06-06 RS RS20150662A patent/RS54322B1/sr unknown
- 2012-06-06 EP EP12731119.9A patent/EP2721366B1/fr active Active
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2012172233A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2976658B1 (fr) | 2013-07-05 |
| FR2976658A1 (fr) | 2012-12-21 |
| WO2012172233A1 (fr) | 2012-12-20 |
| EP2721366B1 (fr) | 2015-08-12 |
| RS54322B1 (sr) | 2016-02-29 |
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