Application member for applying cosmetic product by stamping on the skin

Abstract

An application member is provided for applying cosmetic product by stamping on the skin, in particular for applying eyeliner to the eyelids, defining a longitudinal axis, a transverse axis perpendicular to the longitudinal axis and an antero-posterior axis perpendicular to the longitudinal axis and to the transverse axis, and having a front application surface suitable for being loaded with cosmetic product by placing the front application surface in contact with the cosmetic product and for being at least partially placed in contact with the skin to deposit by stamping thereon a line of cosmetic product whose shape and contour correspond substantially to the shape and contour of the part of the front application surface placed in contact with the skin, wherein the front application surface is outwardly convex when the application member is observed in the plane defined by the longitudinal axis and the transverse axis.

1 . An application member for the stamping application of cosmetic product on the skin, in particular for the application of eyeliner to the eyelids, defining a longitudinal axis (X), a transverse axis (Y) perpendicular to the longitudinal axis (X) and an antero-posterior axis (Z) perpendicular to the longitudinal axis (X) and to the transverse axis (Y), and having a front application surface suitable for being loaded with cosmetic product by placing the front application surface in contact with the cosmetic product and for being at least partially placed in contact with the skin to deposit by stamping thereon a line of cosmetic product whose shape and contour correspond substantially to the shape and contour of the part of the front application surface placed in contact with the skin,
 wherein the front application surface has an elongated shape along the transverse axis (Y), which is outwardly convex when the application member is observed in the plane defined by the longitudinal axis (X) and the transverse axis (Y).   
     
     
         2 . The application member according to  claim 1 , wherein the front application surface has a curved contour defining a concavity when the application member is observed in the plane defined by the transverse axis (Y) and the antero-posterior axis (Z). 
     
     
         3 . The application member according to  claim 1 , wherein the front application surface is substantially flat when the application member is observed in the plane defined by the longitudinal axis (X) and the antero-posterior axis (Z). 
     
     
         4 . The application member according to  claim 1 , wherein the front application surface extends over a height along the longitudinal axis (X), and has a width measured along the transverse axis (Y) between a first side extremity and a second opposite side extremity and a thickness measured along the antero-posterior axis (Z) between a first edge and a second opposite edge,
 and wherein the thickness of the front application surface is substantially constant on moving along the transverse axis (Y).   
     
     
         5 . The application member according to  claim 4 , wherein the thickness of the front application surface is minimal, and in particular zero, at the first side extremity and/or at the second side extremity, the first and second edges of the front application surface meeting at the first side extremity and/or at the second side extremity. 
     
     
         6 . The application member according to  claim 5 , wherein the first and second edges of the front application surface meet at the first side extremity and/or at the second side extremity forming a rounded shape, said front application surface having, in projection on a plane perpendicular to the longitudinal axis (X), a curved substantially oblong shape. 
     
     
         7 . The application member according to  claim 4 , wherein the first and/or second edge of the front application surface has, in particular at the first and/or second side extremity, a rim projecting from the front application face along the longitudinal axis (X). 
     
     
         8 . The application member according to  claim 1 , which also has a side application surface adjacent to the front application surface and extending substantially perpendicular thereto, said side application surface preferably being outwardly concave when the application member is observed in the plane defined by the longitudinal axis (X) and the transverse axis (Y). 
     
     
         9 . The application member according to  claim 8 , wherein the side application surface has an indentation in the plane defined by the longitudinal axis (X) and the transverse axis (Y). 
     
     
         10 . An applicator for applying cosmetic product by stamping on the skin, in particular for applying eyeliner to the eyelids, comprising:
 a handle extending along a longitudinal axis (X′) between a first end and a second opposite end; and   an application member according to  claim 1  attached to the first end of the handle, said longitudinal axis (X′) of the handle preferably coinciding with the longitudinal axis (X) of the application member.   
     
     
         11 . The applicator according to  claim 10 , wherein the cross section of the handle in the plane defined by the transverse axis (Y) and the antero-posterior axis (Z) has a curved contour defining a concavity, said concavity preferably having the same orientation as the concavity defined by the curved contour of the front application surface in the plane defined by the transverse axis (Y) and the antero-posterior axis (Z). 
     
     
         12 . The applicator according to  claim 10 , wherein the second end of the handle is equipped with a secondary application member bearing a secondary application surface suitable for being loaded with cosmetic product by placing the secondary application surface in contact with the cosmetic product and for being placed in contact with the skin to deposit by stamping thereon a line of cosmetic product whose shape and contour correspond substantially to the shape and contour of the secondary application surface,
 and wherein the secondary application surface extends in particular in a plane forming an angle with the longitudinal axis (X′) of the handle and preferably has a triangular or drop-shaped outer contour.   
     
     
         13 . The applicator according to  claim 10 , wherein at least one of the application member and the secondary application member is attached to the first end and/or to the second end of the handle by overmoulding. 
     
     
         14 . The applicator according to  claim 10 , wherein the handle is made of relatively rigid plastic, especially of a thermoplastic material, such as polypropylene, polyethylene or polyamide and/or the application member and/or the secondary application member is made of relatively flexible plastic, such as a silicone, a rubber or a thermoplastic elastomer. 
     
     
         15 . An assembly for packaging and stamping application of cosmetic product, in particular of eyeliner, comprising:
 a container containing the cosmetic product to be applied;   an applicator according to  claim 10 .   
     
     
         16 . A process for applying cosmetic product to the skin, in particular for applying eyeliner to the eyelids, comprising:
 providing an assembly for packaging and applying cosmetic product according to  claim 15 ;   loading at least a part of the front application surface with cosmetic product to be applied by placing said part of the front application surface in contact with the cosmetic product contained in the container; and   applying the cosmetic product loaded on the part of the front application surface onto the skin by placing in contact with the skin, the longitudinal axis (X) of the application member preferably being placed substantially perpendicular to the surface of the skin, and, where appropriate, the concavity of the front application surface being oriented in the direction of the eye, to deposit by stamping on the skin a line of cosmetic product whose shape and contour correspond substantially to the shape and contour of the part of the front application surface placed in contact with the skin.   
     
     
         17 . The process according to  claim 16 , further comprising:
 a plurality of successive steps of applying the cosmetic product loaded on the front application surface onto the skin, and in which the lines of cosmetic product successively deposited on the skin are adjacent to each other and are preferably partially superposed, so as to form together on the skin a continuous line, in particular a continuous curved line, of cosmetic product.   
     
     
         18 . The process according to  claim 17 , wherein two adjacent lines of cosmetic product deposited successively onto the skin are superposed over a length of between 0.5 mm and 5 mm, preferably between 1 and 3 mm, in particular of about 2 mm. 
     
     
         19 . The process according to  claim 16 , using an applicator equipped with an application member for the stamping application of cosmetic product on the skin, in particular for the application of eyeliner to the eyelids, defining a longitudinal axis (X), a transverse axis (Y) perpendicular to the longitudinal axis (X) and an antero-posterior axis (Z) perpendicular to the longitudinal axis (X) and to the transverse axis (Y), and having a front application surface suitable for being loaded with cosmetic product by placing the front application surface in contact with the cosmetic product and for being at least partially placed in contact with the skin to deposit by stamping thereon a line of cosmetic product whose shape and contour correspond substantially to the shape and contour of the part of the front application surface placed in contact with the skin, wherein the front application surface has an elongated shape along the transverse axis (Y), which is outwardly convex when the application member is observed in the plane defined by the longitudinal axis (X) and the transverse axis (Y), and wherein the application member has a side application surface adjacent to the front application surface and extending substantially perpendicular thereto, said side application surface preferably being outwardly concave when the application member is observed in the plane defined by the longitudinal axis (X) and the transverse axis (Y), the process further comprising the following steps:
 loading the side application surface with cosmetic product to be applied by placing the front application surface in contact with the cosmetic product contained in the container;   applying the cosmetic product loaded on the side application surface onto the skin, in particular at an inner corner of the eyelid, by placing in contact with the skin, the longitudinal axis (X) of the application member preferably being placed substantially parallel to the surface of the skin, to deposit by stamping thereon a line of cosmetic product whose shape and contour correspond substantially to the shape and contour of the side application surface, in particular said line deposited by means of the side application surface being adjacent and being partially superposed with a line of cosmetic product deposited by means of the front application surface.   
     
     
         20 . The process according to  claim 16 , using an applicator, for applying cosmetic product by stamping on the skin, in particular for applying eyeliner to the eyelids, the applicator including a handle extending along a longitudinal axis (X′) between a first end and a second opposite end, and including an application member attached to the first end of the handle, said longitudinal axis (X′) of the handle preferably coinciding with the longitudinal axis (X) of the application member, wherein the second end of the handle is equipped with a secondary application member bearing a secondary application surface suitable for being loaded with cosmetic product by placing the secondary application surface in contact with the cosmetic product and for being placed in contact with the skin to deposit by stamping thereon a line of cosmetic product whose shape and contour correspond substantially to the shape and contour of the secondary application surface, wherein the secondary application surface extends in particular in a plane forming an angle with the longitudinal axis (X′) of the handle and preferably has a triangular or drop-shaped outer contour, and wherein the application member is configured for stamping application of cosmetic product on the skin, in particular for the application of eyeliner to the eyelids, defining a longitudinal axis (X), a transverse axis (Y) perpendicular to the longitudinal axis (X) and an antero-posterior axis (Z) perpendicular to the longitudinal axis (X) and to the transverse axis (Y), and having a front application surface suitable for being loaded with cosmetic product by placing the front application surface in contact with the cosmetic product and for being at least partially placed in contact with the skin to deposit by stamping thereon a line of cosmetic product whose shape and contour correspond substantially to the shape and contour of the part of the front application surface placed in contact with the skin, wherein the front application surface has an elongated shape along the transverse axis (Y), which is outwardly convex when the application member is observed in the plane defined by the longitudinal axis (X) and the transverse axis (Y), the process further comprising the following steps:
 loading the secondary application surface with cosmetic product to be applied by placing the secondary application surface in contact with the cosmetic product contained in the container; and 
 applying the cosmetic product loaded on the secondary application surface onto the skin, in particular at an outer corner of the eyelid, by placing in contact with the skin to deposit by stamping thereon a line of cosmetic product whose shape and contour correspond substantially to the shape and contour of the secondary application surface, said line deposited by means of the secondary application surface preferably being preferably connected to a line of cosmetic product deposited by means of the front application surface.