Application Of Hair-Coloring Compositions

Abstract

An application device for applying hair-coloring composition includes a device body, having a first reservoir with a first piston; the first reservoir configured to receive a first part of a hair-coloring composition; a second reservoir including a second piston; the second reservoir configured to receive a second part of a hair-coloring composition; and a dispensing mechanism associated with the first piston and with the second piston; the dispensing mechanism configured to sealingly move the first piston inside the first reservoir and the second piston inside the second reservoir; and an application cap including a mixing mechanism; and a plurality of projecting tines.

What is claimed is: 
     
         1 . An application device for applying hair-coloring composition, comprising:
 a device body, comprising:
 a first reservoir comprising a first piston; said first reservoir configured to receive a first part of a hair-coloring composition; 
 a second reservoir comprising a second piston; said second reservoir configured to receive a second part of a hair-coloring composition; and 
 an electric dispensing mechanism associated with said first piston and with said second piston; said dispensing mechanism configured to, upon activation, sealingly move said first piston inside said first reservoir and said second piston inside said second reservoir; and 
   an application cap, comprising:
 a mixing mechanism; 
 a containing space in fluid communication with said mixing mechanism; and 
 a plurality of projecting tines, each in fluid communication with said containing space; 
   wherein said application cap is configured for reversible-connection with said device body such that, when said application cap is connected with said device body, said first reservoir and said second reservoir are sealed from the outside except channels of said plurality of projecting tines which are in fluid communication with said first reservoir and said second reservoir, through said mixing mechanism and said containing space; and   wherein said electric dispensing mechanism is configured, when activated, to move said first piston and said second piston towards said plurality of projecting tines thereby mixing said first part of said hair-coloring composition with said second part of said hair-coloring composition to form a mixed hair-coloring composition to be dispensed through said plurality of projecting tines when said containing space is full, and thereby allowing said mixed hair-coloring composition to be uniformly dispensed through said plurality of projecting tines.   
     
     
         2 . The application device of  claim 1 , wherein said dispensing mechanism comprises:
 a first cogwheel, having an inner thread and outer teeth, mounted beneath said first piston;   a second cogwheel, having an inner thread and outer teeth, placed beneath said second piston;   a third cogwheel, having outer teeth, placed between and in contact with said first cogwheel and said second cogwheel; and   a motor;   wherein said first piston is connected with a first threaded shaft and said second piston is connected with a second threaded shaft such that the outer thread of said first threaded shaft, mesh with the inner thread of said first cogwheel, and the outer thread of said second threaded shaft, mesh with the inner thread of said second cogwheel;   wherein said outer teeth of said third cogwheel mesh with said outer teeth of said first and second cogwheels; and   wherein said motor is configured to rotate said third cogwheel, thereby rotating said first and second cogwheels, thereby moving said first and second pistons.   
     
     
         3 . The application device of  claim 1 , wherein said first reservoir is in fluid communication with said mixing mechanism through a first orifice, and said second reservoir is in fluid communication with said mixing mechanism through a second orifice;
 wherein said mixing mechanism comprises a static mixer placed in a channel; wherein said channel is configured to receive said first part of said hair-coloring composition and said second part of said hair-coloring composition on one end thereof, and provide a mixed hair-coloring composition on the other end thereof.   
     
     
         4 . The application device of  claim 1 , wherein said dispensing mechanism comprises:
 a first set of transmission wheels comprising a first transmission wheel and a second transmission wheel;   a second set of transmission wheels comprising a third transmission wheel and a fourth transmission wheel; and   at least one motor;   wherein said first piston is connected with a first flexible lead cable and said second piston is connected with a second flexible lead cable such that said first flexible lead cable, pass between and in contact with said first transmission wheel and said second transmission wheel, and said second flexible lead cable pass between and in contact with said third transmission wheel and said fourth transmission wheel; and   wherein said at least one motor is configured to rotate said first, second, third and fourth transmission wheels, thereby moving said first and second pistons.   
     
     
         5 . The application device of  claim 1 , wherein said dispensing mechanism comprises:
 a first cogwheel, having outer teeth, placed beneath said first piston;   a second cogwheel, having outer teeth, placed beneath said second piston;   a third cogwheel, having outer teeth, placed between and in contact with said first cogwheel and said second cogwheel; and   a motor;   wherein said first cogwheel is connected with a first threaded shaft and said second cogwheel is connected with a second threaded shaft;   wherein said first piston is mounted around said first threaded shaft and said second piston is mounted around said second threaded shaft such that an outer thread of said first threaded shaft, mesh with an inner thread of said first piston, and an outer thread of said second threaded shaft, mesh with an inner thread of said second piston;   wherein said outer teeth of said third cogwheel mesh with said outer teeth of said first and second cogwheels; and   wherein said motor is configured to rotate said third cogwheel, thereby rotating said first and second cogwheels, thereby moving said first and second pistons.   
     
     
         6 . The application device of  claim 1 , wherein said first reservoir is configured to receive said first part of a hair-coloring composition in a first capsule; and
 wherein said second reservoir is configured to receive said second part of a hair-coloring composition in a second capsule.   
     
     
         7 . An application device for applying hair-coloring composition, comprising:
 a device body, comprising:
 a first reservoir configured to receive a capsule of a hair-coloring composition; said capsule comprises:
 a second reservoir comprising a first part of a hair-coloring composition; and 
 a third reservoir comprising a second part of a hair-coloring composition; and 
 
 an electric dispensing mechanism configured to, upon activation, dispense said first part of said hair-coloring composition and said second part of said hair-coloring composition out of said capsule; and 
   an application cap, comprising:
 a mixing mechanism; 
 a containing space in fluid communication with said mixing mechanism; and 
 a plurality of projecting tines, each in fluid communication with said containing space; 
   wherein said application cap is configured for reversible-connection with said device body such that, when said application cap is connected with said device body, said first reservoir is sealed from the outside except channels of said plurality of projecting tines which are in fluid communication with said first reservoir, through said mixing mechanism and said containing space; and   wherein said electric dispensing mechanism is configured, when activated, to dispense said hair-coloring composition out of said capsule towards said plurality of projecting tines thereby mixing said first part of said hair-coloring composition with said second part of said hair-coloring composition to form a mixed hair-coloring composition to be dispensed through said plurality of projecting tines when said containing space is full, and thereby allowing said mixed hair-coloring composition to be uniformly dispensed through said plurality of projecting tines.   
     
     
         8 . The application device of  claim 7 , wherein said dispensing mechanism comprises:
 a first set of transmission wheels comprising a first transmission wheel and a second transmission wheel;   a first flexible lead cable passing between and in contact with said first transmission wheel and said second transmission wheel;   a first elevating part connected with the upper end of said first flexible lead cable;   a second set of transmission wheels comprising a third transmission wheel and a fourth transmission wheel;   a second flexible lead cable passing between and in contact with said third transmission wheel and said fourth transmission wheel;   a second elevating part connected with the upper end of said second flexible lead cable;   and   at least one motor.   
     
     
         9 . The application device of  claim 8 , wherein said second reservoir further comprises a first piston placed at the lower end of said second reservoir;
 wherein said third reservoir further comprises a second piston placed at the lower end of said third reservoir;   wherein said first elevating part is configured to be in contact with said first piston and said second elevating part is configured to be in contact with said second piston when said capsule is inserted into said first reservoir; and   wherein said at least one motor is configured to rotate said first, second, third and fourth transmission wheels, thereby moving said first and second pistons.   
     
     
         10 . The application device of  claim 7 , wherein said dispensing mechanism comprises:
 a first recessed gear, having outer teeth, placed beneath said second reservoir;   a second recessed gear, having outer teeth, placed beneath said third reservoir;   a cogwheel, having outer teeth, placed between and in contact with said first recessed gear and said second recessed gear, such that said outer teeth of said cogwheel mesh with said outer teeth of said first recessed gear and said outer teeth of said second recessed gear; and   a motor.   
     
     
         11 . The application device of  claim 10 , wherein said second reservoir further comprises:
 a first threaded shaft extending from the lower end to the upper end of said second reservoir;   a first gear, connected with said first threaded shaft, and protruding from the lower end of said second reservoir; and   a first piston mounted around said first threaded shaft and comprises an inner thread, such that the outer thread of said first threaded shaft mesh with the inner thread of said first piston;   
       wherein said a third reservoir further comprises:
 a second threaded shaft extending from the lower end to the upper end of said third reservoir; 
 a second gear, connected with said second threaded shaft, and protruding from the lower end of said third reservoir; and 
 a second piston mounted around said second threaded shaft and comprises an inner thread, such that the outer thread of said second threaded shaft mesh with the inner thread of said second piston; 
 wherein said first gear is configured to be in contact with said first recessed gear and said second gear is configured to be in contact with said second recessed gear when said capsule is inserted into said first reservoir; and 
 wherein said motor is configured to rotate said cogwheel, thereby rotating said first and second recessed gears, thereby moving said first and second pistons.