Hair colouring device

Abstract

Disclosed are a hair colouring device and method of its use. The device includes a top housing, a bottom housing movably engaged to the top housing at distal ends using an engagement mechanism that enables the device to alternate between a closed position and an open position, a first cartridge carrier for receiving a first colourant-filled cartridge, the first cartridge carrier being removably disposed within an opening provided on the top housing, a second cartridge carrier for receiving a second colourant-filled cartridge, the second cartridge carrier being removably disposed within an opening provided on the bottom housing, a pair of applicator tips, each of the applicator tips being disposed at a proximal end of the first cartridge carrier and the second cartridge carrier. The device allows accurate, non-messy and even application of the hair colouring composition to the selected one or more strands of hair more quickly and effectively.

What is claimed is: 
     
         1 . A hair colouring device for selectively colouring one or more strands of hair, comprising:
 a top housing;   a bottom housing movably engaged to the top housing at distal ends using an engagement mechanism;   a first cartridge carrier for receiving a first colourant-filled cartridge, wherein the first cartridge carrier being removably disposed within an opening provided on the top housing;   a second cartridge carrier for receiving a second colourant-filled cartridge, wherein the second cartridge carrier being removably disposed within an opening provided on the bottom housing;   a pair of applicator tips, each of the applicator tips being disposed at a proximal end of the first cartridge carrier and the second cartridge carrier;   wherein the engagement mechanism enables the device to alternate between a closed position and an open position.   
     
     
         2 . The hair colouring device of  claim 1 , wherein the applicator tips are fixedly disposed at the proximal end of the first cartridge carrier and the second cartridge carrier. 
     
     
         3 . The hair colouring device of  claim 1 , wherein the applicator tips are removably grooved at the proximal end of the first cartridge carrier and the second cartridge carrier. 
     
     
         4 . The hair colouring device of  claim 1 , wherein the first colourant-filled cartridge and the second colourant-filled cartridge is sized such as to fit tightly within interior walls of a cavity of the first cartridge carrier and the second cartridge carrier. 
     
     
         5 . The hair colouring device of  claim 1 , wherein the first colourant-filled cartridge and the second colourant-filled cartridge is sized slightly smaller than then the interior walls of the cavity of the first cartridge carrier and the second cartridge carrier. 
     
     
         6 . The hair colouring device of  claim 1 , wherein each of the colourant-filled cartridges are removably clippable to the top housing and the bottom housing respectively. 
     
     
         7 . The hair colouring device of  claim 1 , wherein each of the applicator tips comprises a plurality of apertures thorough which colourant is fed onto the one or more strands of hair. 
     
     
         8 . The hair colouring device of  claim 1 , wherein the colourant is at least one of: a liquid, and a semi-liquid composition that can flow through the applicator tips to the one or more strands of hair 
     
     
         9 . The hair colouring device of  claim 1 , the first colourant-filled cartridge and the second colourant-filled cartridge are replaceable. 
     
     
         10 . The hair colouring device of  claim 1 , the first colourant-filled cartridge and the second colourant-filled cartridge are fillable with the colourant using an external colour resource. 
     
     
         11 . The hair colouring device of  claim 10 , wherein the external colour resource is removably attached to the device. 
     
     
         12 . The hair colouring device of  claim 10 , wherein the external colour resource is fixedly attached to the device. 
     
     
         13 . The hair colouring device of  claim 1 , wherein the applicator tips allows two sided colouring of the hair strands simultaneously. 
     
     
         14 . The hair colouring device of  claim 1 , wherein the applicator tips are aligned with respect to each other based on the force exerted on the device during the closed position. 
     
     
         15 . The hair colouring device of  claim 1  further comprising a replaceable cap that fits over the pair of applicator tips to securely block dispensing of colourant. 
     
     
         16 . A hair colouring device, comprising:
 a top housing configured to have a top cavity;   a bottom housing configured to have a bottom cavity, wherein the bottom housing movably engaged to the top housing at distal ends using an engagement mechanism;   a pair of applicator tips, each of the applicator tips being disposed at a proximal end of the top housing and the bottom housing;   wherein the engagement mechanism enables the device to alternate between a closed position and an open position.   
     
     
         17 . The hair colouring device of  claim 16 , wherein the applicator tips are fixedly disposed at the top housing and the bottom housing. 
     
     
         18 . The hair colouring device of  claim 16 , wherein the applicator tips are aligned with respect to each other based on the force exerted on the device during the closed position. 
     
     
         19 . The hair colouring device of  claim 16 , wherein the top cavity and the bottom cavity are fillable with the colourant using an external colour resource. 
     
     
         20 . A method of using a hair colouring device for selectively colouring one or more strands of hair, comprising:
 providing the hair colouring device, the hair coloring device including
 a top housing; a bottom housing movably engaged to the top housing at distal ends using an engagement mechanism; a first cartridge carrier for receiving a first colourant-filled cartridge, wherein the first cartridge carrier being removably disposed within an opening provided on the top housing; a second cartridge carrier for receiving a second colourant-filled cartridge, wherein the second cartridge carrier being removably disposed within an opening provided on the bottom housing; a pair of applicator tips, each of the applicator tips being disposed at a proximal end of the first cartridge carrier and the second cartridge carrier; wherein the engagement mechanism enables the device to alternate between a closed position and an open position. 
   alternating the hair colouring device between an position and a closed position to dispense colourant onto one or more strands of hair;   gripping the one or more strands of hair during the closed position in between the pair of applicator tips; and   moving the hair colouring device along the length of the one or more strands of hair for application of colourant.