Packaging device for a treatment substance

Abstract

The present invention comprising: a receptacle containing a single dose of a treatment substance; and an indicator configured to change state as a function of temperature.

What is claimed is:  
     
         1 . A device comprising: 
 a receptacle containing a single dose of a treatment substance; and    an indicator configured to change state as a function of temperature.    
     
     
         2 . A device according to  claim 1 , wherein the indicator is configured to change state a first time when the temperature reaches a first value, and a second time when the temperature reaches a second value that is higher than the first.  
     
     
         3 . A device according to  claim 1 , wherein the indicator has an appearance which changes with temperature.  
     
     
         4 . A device according to  claim 3 , wherein the indicator changes color with temperature.  
     
     
         5 . A device according to  claim 3 , wherein the indicator has an appearance which changes reversibly with temperature.  
     
     
         6 . A device according to  claim 3 , wherein the indicator comprises a thermochromic pigment.  
     
     
         7 . A device according to  claim 1 , wherein the indicator is configured to release a volatile odorous substance when the temperature exceeds a predetermined value.  
     
     
         8 . A device according to  claim 1 , wherein the indicator comprises at least one flexible support fixed onto the receptacle.  
     
     
         9 . A device according to  claim 1 , wherein the receptacle comprises a pouch.  
     
     
         10 . A device according to  claim 1 , wherein the indicator changes state when the temperature reaches a value lying in the range 30° C. to 40° C.  
     
     
         11 . A device according to  claim 1 , wherein the receptacle comprises a fixing member allowing the receptacle to be fixed onto a radiator.  
     
     
         12 . A device according to  claim 1 , wherein the receptacle comprises ballast allowing the receptacle to have zero or negative buoyancy in water.  
     
     
         13 . A device according to  claim 1 , wherein the substance is at least one of a cosmetic substance and a care substance.  
     
     
         14 . A device according to  claim 13 , wherein the substance is selected from the following list: a shampoo, a shower gel, a self-tanning substance, a film-forming composition, a mask forming composition, a massage oil.  
     
     
         15 . A device according to  claim 8 , wherein the flexible support is fixed onto the receptacle via an adhesive.  
     
     
         16 . A packaging device comprising: 
 a receptacle comprising: 
 a storage space containing a treatment substance and having a first volume,  
 a dispenser member having a second volume smaller than the first, said dispenser member being capable to be in communication with the storage space; and  
   an indicator configured to change state as a function of temperature.    
     
     
         17 . A device according to  claim 16 , wherein said dispenser member is configured so as to contain a single dose of substance.  
     
     
         18 . A device according to  claim 16 , wherein the indicator is configured to change state a first time when the temperature reaches a first value, and a second time when the temperature reaches a second value that is higher than the first.  
     
     
         19 . A device according to  claim 16 , wherein the indicator has an appearance which changes with temperature.  
     
     
         20 . A device according to  claim 19 , wherein the indicator changes color with temperature.  
     
     
         21 . A device according to  claim 19 , wherein the indicator has an appearance which changes reversibly with temperature.  
     
     
         22 . A device according to  claim 19 , wherein the indicator comprises a thermochromic pigment.  
     
     
         23 . A device according to  claim 16 , wherein the indicator is configured to release a volatile odorous substance when the temperature exceeds a predetermined value.  
     
     
         24 . A device according to  claim 16 , wherein the indicator comprises at least one flexible support fixed onto the receptacle.  
     
     
         25 . A device according to  claim 24 , wherein the flexible support is fixed onto the receptacle via an adhesive.  
     
     
         26 . A device according to  claim 16 , wherein the dispenser member is connected to a remainder of the receptacle in removable manner.  
     
     
         27 . A device according to  claim 26 , wherein the dispenser member is configured so as to allow closure of the storage space in sealed manner.  
     
     
         28 . A device according to  claim 16 , wherein the dispenser member is connected to a remainder of the receptacle in non-removable manner.  
     
     
         29 . A device according to  claim 16 , wherein the dispenser member is connected to the storage space via a flexible tube.  
     
     
         30 . A device according to  claim 16 , wherein the indicator changes state when the temperature reaches a value lying in the range 30° C. to 40° C.  
     
     
         31 . A device according to  claim 16 , wherein the receptacle comprises a fixing member allowing the receptacle to be fixed onto a radiator.  
     
     
         32 . A device according to  claim 16 , wherein the receptacle comprises ballast allowing the receptacle to have zero or negative buoyancy in water.  
     
     
         33 . A device according to  claim 16 , wherein the substance is at least one of a cosmetic substance and a care substance.  
     
     
         34 . A device according to  claim 33 , wherein the substance is selected from the following list: a shampoo, a shower gel, a self-tanning substance, a film-forming composition, a massage oil.  
     
     
         35 . A packaging device comprising: 
 a receptacle containing a treatment substance said receptacle comprising a fixing member allowing the receptacle to be fixed onto a radiator; and    an indicator configured to change state as a function of temperature.    
     
     
         36 . A packaging device comprising: 
 a receptacle containing a treatment substance said receptacle comprising ballast allowing the receptacle to have zero or negative buoyancy in water; and    an indicator configured to change state as a function of temperature.    
     
     
         37 . A packaging device comprising: 
 a receptacle containing a treatment substance; and    an indicator configured to change state when the temperature reaches a value lying in the range 30° to 40°.    
     
     
         38 . A method of applying a treatment substance contained in a packaging device as defined in  claim 1 , said method comprising: 
 exposing the packaging device to at least one of a heat source so as to raise the temperature of the substance at least until the indicator changes state, and of a cold source so as to lower the temperature of the substance until the indicator changes state; and    applying the substance.    
     
     
         39 . A method according to  claim 38 , wherein the heat source comprises at least one of hot water, a hot surface and a radiator.  
     
     
         40 . A method of applying a treatment substance contained in a device comprising a storage space and a dispenser member as defined in  claim 16 , said method comprising: 
 recharging the dispenser member with a dose of substance;    exposing at least the dispenser member to at least one of a heat source so as enable the temperature of the substance contained in said dispenser member to rise at least until the temperature indicator changes state, and a cold source so as enable the temperature of the substance contained in said dispenser member to drop at least until the temperature indicator changes state; and    applying the substance contained in the dispenser member.