Wiper Device for an Applicator for a Cosmetic Product

Abstract

A one-piece wiper device for an applicator assembly for paste-like cosmetic product that includes an applicator provided with a gripping rod and a means for applying said cosmetic product; a container having a neck in which said applicator slides along a longitudinal axis XX. The wiper device has a cylindrical shape adjustable inside the neck and is provided with a first flange for attachment thereof on the edge of the neck and a second flange for attachment thereof on an inner shoulder of the neck and a lip protruding inside said container. The device according to the invention also includes an outer external protrusion externally supporting at least one additional element suitable for coming into contact with the inner surface of the shoulder of the neck when the device is engaged on said neck.

1 . A one-piece wiper device for an applicator assembly for applying a paste-like cosmetic product, the applicator assembly comprising:
 at least one applicator provided with a gripping rod and a brush for applying the cosmetic product;   a container having a neck in which the applicator slides along a longitudinal axis XX,   the wiper device having a substantially cylindrical shape that can be fitted inside the neck and being provided with a first flange for attachment thereof on the edge of the neck of the container, and a second flange for attachment thereof on an inner shoulder of the neck, and a lip protruding inside the container,   wherein the second flange comprises an annular external protrusion arranged substantially in the vicinity of the lip and bearing, externally, at least one additional element configured to contact an internal surface of the inner shoulder of the neck when the wiper device is engaged on the neck, such that the wiper device has maximum, optimized contact with the internal surface of the neck.   
     
     
         2 . The wiper device according to  claim 1 , wherein the additional element comprises a first set of tabs that extend in a plane making an acute angle with the longitudinal axis XX. 
     
     
         3 . The wiper device according to  claim 1 , wherein the additional element comprises an undulating flexible annular strip. 
     
     
         4 . The wiper device according to  claim 2 , wherein the additional element comprises a second set of tabs offset along the longitudinal axis XX with respect to the first tabs. 
     
     
         5 . The wiper device according to  claim 2 , further comprising a ring provided at the free end of the first tabs. 
     
     
         6 . The wiper device according to  claim 1 , further comprising studs or protrusions projecting up from the surface of the additional elements and/or the annular external protrusion and configured to come into contact with the internal surface of the shoulder of the neck. 
     
     
         7 . The wiper device according to  claim 1 , wherein the first and/or the second set of tabs comprises between two and sixty-four tabs. 
     
     
         8 . The wiper device according to  claim 1 , wherein the tabs are angularly distributed regularly around the axis XX. 
     
     
         9 . The wiper device according to  claim 1 , wherein the wiper device is made of a vulcanizable rubber or of a silicone or of a thermoplastic elastomer.