Applicator end piece for cosmetic product, associated applicator and applicator assembly

Abstract

An applicator end piece for a cosmetic product extends along a longitudinal extension direction, referred to as the main direction (X). The applicator includes a core extending from a stationary end towards a free end and forming a cavity, and a first segment of the core surrounds at least one second segment of the core. The free end of the core being movable along a path delimited by said first segment.

1 . An applicator end piece for a cosmetic product extending along a longitudinal extension direction, referred to as the main direction (X), and comprising a core extending from a stationary end towards a free end and forming a cavity,
 a first segment of the core surrounding at least one second segment of the core,   the free end of the core being movable along a path delimited by said first segment.   
     
     
         2 . The applicator end piece according to  claim 1 , wherein the first segment comprises a ring serving as a lateral abutment for the free end. 
     
     
         3 . The applicator end piece as claimed in  claim 1 , wherein the second segment acts as a cooperative abutment for the free end during said path. 
     
     
         4 . The applicator end piece according to  claim 1 , wherein the core has at least one return delimiting the cavity. 
     
     
         5 . The applicator end piece according to  claim 4 , wherein
 the cavity has a variable volume, a displacement of the free end causing the volume of the cavity to vary.   
     
     
         6 . The applicator end piece according to  claim 1 , wherein the core crosses at least one crossing point. 
     
     
         7 . The applicator end piece according to  claim 6 , wherein the at least one crossing point is obtained by helically winding the core on itself. 
     
     
         8 . The applicator end piece according to  claim 1 , wherein the first segment is located at a level of the stationary end. 
     
     
         9 . The applicator end piece according to  claim 1 , wherein the first segment is located at a level of the free end. 
     
     
         10 . The applicator end piece according to  claim 1 , wherein the applicator end piece comprises a sleeve intended to be assembled to a stem, the sleeve is continuous with the stationary end of the core. 
     
     
         11 . The applicator end piece according to  claim 10 , wherein the first segment comprises a ring, which serves as the sleeve. 
     
     
         12 . The applicator end piece according to  claim 1 , wherein the cavity has a predefined shape. 
     
     
         13 . The applicator end piece according to  claim 1 , wherein the core is at least partly textured. 
     
     
         14 . The applicator end piece according to  claim 1 , wherein the applicator end piece is a monolithic part obtained without assembly and/or deformation and by additive manufacturing. 
     
     
         15 . An applicator assembly for a cosmetic product, comprising:
 a container comprising a body forming a reservoir intended to contain the cosmetic product, and   an applicator end piece for the cosmetic product according to  claim 1  adapted to be attached to the container, so that the applicator end piece is housed inside the reservoir.   
     
     
         16 . A method for manufacturing an applicator end piece for a cosmetic product according to  claim 1 , the method comprising:
 a step of elaborating a digital model of the applicator end piece;   a step of manufacturing the applicator end piece by means of the digital model.