Shooting practice method

Abstract

The subject of the present invention is a target practice method, comprising a step of launching a target into a portion of space, a step of firing a projectile towards the target and a step of impact of the projectile on the target, characterized in that use is made of a projectile comprising a shell delimiting an internal volume containing a marking material and in that it involves a step of breaking the shell upon impact of the projectile on the target, thereby releasing the marking material.

1 - 26 . (canceled) 
     
     
         27 . A target practice method, comprising a step of launching a target into a portion of space, a step of firing a projectile towards the target and a step of impact of the projectile on the target, wherein use is made of a projectile comprising a shell delimiting an internal volume containing a marking material and in that it involves a step of breaking the shell upon impact of the projectile on the target, thereby releasing the marking material. 
     
     
         28 . The method according to  claim 27 , wherein the step of launching comprises rotating the target on its own. 
     
     
         29 . The method according to  claim 28 , wherein the own rotation speed of the target is at least 300 round per minutes (rpm) upon launching. 
     
     
         30 . The method according to  claim 27 , wherein use is made of a target, the peripheral surface of which comprises an edge joining a first face and a second face and wherein the step of impact is achieved through the contact of the projectile on an impact surface formed on at least one of the first face or the second face. 
     
     
         31 . The method according to  claim 30 , wherein the edge of the target and the impact surface are selected to be made of different materials. 
     
     
         32 . The method according to  claim 31 , wherein the edge material(s) is/are selected to have a density lower than the density of the material(s) of the impact surface. 
     
     
         33 . The method according to  claim 31 , wherein the density of the material(s) of the impact surface is selected to be above 500 kg/m 3 . 
     
     
         34 . The method according to  claim 31 , wherein the density of the edge material(s) is selected to be less than 275 kg/m 3 . 
     
     
         35 . The method according to  claim 30 , wherein use is made of a target comprising a target body having a cylindrical shape, the surface of revolution of which forms the edge and wherein the impact surface comprises, on at least one of the first face or the second face, a disc-shaped area. 
     
     
         36 . The method according to  claim 35 , wherein the diameter of the disc-shaped area is selected to be smaller than the diameter of the target body. 
     
     
         37 . The method according to  claim 35 , wherein use is made of a target, the body of which is made of polymer foam and wherein at least a part of the impact surface is obtained by cross-linking said foam. 
     
     
         38 . The method according to  claim 35 , wherein at least a part of the impact surface is formed by fixing a coating on the target body. 
     
     
         39 . The method according to  claim 38 , wherein the fixing is carried out with at least one fixing member located on a face of the coating opposite the face of the coating forming at least partly the impact surface, and with at least one additional fixing member formed on the target body. 
     
     
         40 . The method according to  claim 38 , wherein the coating is selected to be a plate of polymer material. 
     
     
         41 . The method according to  claim 30 , wherein use is made of a target comprising a belt, part of the periphery of which forms the edge of the target and surrounding a target heart and wherein the outer wall of the target heart forms at least partially the impact surface. 
     
     
         42 . The method according to  claim 41 , wherein the target heart is so selected that it comprises a part for fixing one area of the belt opposite the periphery part. 
     
     
         43 . The method according to  claim 42 , wherein the target heart is so selected that it comprises a central core selected to have a thickness smaller than that of the fixing part. 
     
     
         44 . The method according to  claim 31 , wherein Young's modulus of the material(s) of the edge is selected to be lower than that of the material(s) of the impact surface. 
     
     
         45 . The method according to  claim 31 , wherein Young's modulus of the material(s) of the edge is selected to be lower than 0.1 giga Pascal. 
     
     
         46 . The method according to  claim 38 , wherein the coating is selected to be in the form of a sheet of an elastomeric material. 
     
     
         47 . The method according to  claim 31 , wherein Young's modulus of the material(s) of the impact surface is selected to be higher than 0.8 giga Pascal. 
     
     
         48 . The method according to  claim 27 , wherein the marking material is selected among a liquid dye and a powder. 
     
     
         49 . The method according to  claim 27 , wherein the shell of the projectile is formed as a rigid shell made of polymer material or as a flexible shell, preferably made of gelatine. 
     
     
         50 . The method according to  claim 27 , wherein the shell is formed as a smooth spherical casing. 
     
     
         51 . A target practice system, comprising a machine for launching a target and a projectile intended to impact the target, wherein the projectile comprises a shell delimiting an internal volume containing a marking material and in that the impact of the projectile on the target is so configured as to cause the breaking of the shell, thereby releasing the marking material. 
     
     
         52 . The system according to  claim 51 , so configured as to implement the method according to  claim 27 .