Particle Mixture

Abstract

The invention relates to a particle mixture and the stabilization of a homogeneous distribution of these particles in the mixture.

1 . Particle system, comprising a container and a particle mixture for protection against forgery disposed in the container, wherein at least a part of the particles in the mixture differs from the rest of the particles in regard of one measure, and wherein the container includes at least one means for preventing the spatial movement of the particles relative to each other. 
   
   
       2 . System according to  claim 1 , wherein the means essentially prevents a segregation of the particle mixture. 
   
   
       3 . System according to  claim 1 , wherein the means stabilizes a homogeneous distribution of the particles in the particle mixture. 
   
   
       4 . System according to  claim 1 , wherein the particles are pigments. 
   
   
       5 . System according to  claim 1 , wherein the particles form a coding. 
   
   
       6 . System according to  claim 5 , wherein the coding is based on the mixture ratio of the particles in the mixture. 
   
   
       7 . System according to  claim 1 , wherein the particles comprise luminescent substances. 
   
   
       8 . System according to  claim 1 , wherein the measure is of at least one of the size, the shape, the weight, the density, the electrostatic charge and the surface roughness. 
   
   
       9 . System according to  claim 1 , wherein the means is adapted to produce overpressure or underpressure in the container. 
   
   
       10 . System according to  claim 1 , wherein the means comprises a pressure cushion disposed in the container. 
   
   
       11 . System according to  claim 1 , wherein the means for producing overpressure or underpressure comprises a suitable valve. 
   
   
       12 . System according to  claim 1 , wherein the particles are packaged as densely as possible. 
   
   
       13 . System according to  claim 1 , wherein the particle mixture is divided into partial amounts and the means is adapted to spatially divide the partial amounts. 
   
   
       14 . System according to  claim 13 , wherein the means comprises several separate packaging units in which the partial amounts are respectively packaged. 
   
   
       15 . System according to  claim 1 , wherein the means comprises a tubular structure arranged in a meandering shape. 
   
   
       16 . System according to  claim 15 , wherein the tubular structure includes a pull thread. 
   
   
       17 . System according to  claim 1 , wherein the means comprises at least one of a partition bottom and a partition wall. 
   
   
       18 . Method for producing a particle system including a container and a particle mixture for protection against forgery disposed in the container, wherein at least a part of the particles in the mixture differs from the rest of the particles in at least one measure, comprising the steps: equipping the container with at least one means which essentially prevents the spatial movement of the particles relative to each other. 
   
   
       19 . Method according to  claim 18 , including using as said means an arrangement to cause overpressure or underpressure in the container. 
   
   
       20 . Method according to  claim 19 , wherein the overpressure is produced by a pressure cushion. 
   
   
       21 . Method according to  claim 19 , wherein the overpressure or underpressure is produced by a suitable valve on the container. 
   
   
       22 . Method according to  claim 18 , including producing a vacuum in the container. 
   
   
       23 . Method according to  claim 18 , including dividing the mixture into partial amounts and using as such means an arrangement that spatially divides the partial amounts. 
   
   
       24 . Method according to  claim 23 , including using as said means several separate packaging units in which the partial amounts are respectively packaged. 
   
   
       25 . Method according to  claim 18 , including using as said means a tubular structure arranged in a meandering shape. 
   
   
       26 . Method according to  claim 18 , including using as said means at least one of a partition bottom and a partition wall.