Wiper and product dispenser including said wiper

Abstract

The wiper ( 1 ) intended to engage with a neck of a container intended to contain a fluid or paste cosmetic product includes a body ( 2 ) intended to be anchored to the neck, and a wiping element ( 3 ) anchored to the body ( 2 ). The wiping element ( 3 ) includes a resilient wall ( 4 ) which anchors the wiping element ( 3 ) to the body ( 2 ), the resilient wall ( 4 ) being able to distort when the applicator passes through, and to resume its so-called at rest shape after it has passed. The wiping element ( 3 ) includes a plurality of N typically vertical radial tongues ( 5 ) independent of each other, with N typically being between 4 and 20, typically integral with a peripheral skirt ( 6 ) of the wiping element ( 3 ).

1 . Wiper ( 1 ) intended to engage with a neck of a container intended to contain a fluid or paste cosmetic product, typically a mascara, including a typically annular body ( 2 ) intended to be anchored to said neck, said body ( 2 ) and said neck having one and the same axial direction ( 10 ), and a wiping means ( 3 ) anchored to said body ( 2 ), said wiping means ( 3 ) being intended to engage with said applicator, each time the applicator passes through, particularly each time an applicator-device fitted with an applicator, typically a brush, is withdrawn and separated from said container, so as to restrict, to a pre-set level, the quantity of said cosmetic product taken out, and is characterised in that: 
 a) said wiping means ( 3 ) includes a resilient wall ( 4 ) which anchors said wiping means ( 3 ) to said body ( 2 ), said resilient wall ( 4 ) being able to distort when said applicator passes, and to resume its so-called at rest shape after it has passed,    b) said wiping means ( 3 ) includes a plurality of N typically vertical radial tongues ( 5 ) independent of each other, with N typically being between 4 and 20, typically integral with a peripheral skirt ( 6 ) of said wiping means ( 3 ).    
   
   
       2 . Wiper according to  claim 1  wherein said resilient wall ( 4 ) includes a thinned part ( 40 ) able to form a hinge for tilting said wiping means ( 3 ) relative to said body ( 2 ).  
   
   
       3 . Wiper according to  claim 1  wherein said resilient wall ( 4 ), via its upper end ( 42 ), is integral with said wiping means ( 3 ) in its upper part ( 30 ), and, via its lower end ( 43 ), is integral with said body ( 2 ) in its lower part ( 21 ).  
   
   
       4 . Wiper according to  claim 1  wherein said resilient wall ( 4 ) includes a central part forming a cylindrical portion ( 41 ) centred along said axial direction ( 10 ), said cylindrical portion ( 41 ) being separated from said body ( 2 ) by an external annular channel ( 11 ) and being separated from said radial tongues ( 5 ) by an internal annular channel ( 12 ).  
   
   
       5 . Wiper according to  claim 4  wherein said external annular channel ( 11 ) forms an upturned annular trough of radial thickness Ee between 0.5 mm and 2.5 mm, and wherein said internal annular channel ( 12 ) forms a down-turned annular trough of radial thickness Ei between 0.5 mm and 2.5 mm.  
   
   
       6 . Wiper according to  claim 1  wherein said N radial tongues ( 5 ) are typically identical and spaced out angularly around said axial direction ( 10 ) by an angle equal to 360° /N, with N preferably being between 6 and 18, so as to form a plurality of radial channels, two adjacent radial tongues forming between them a radial channel.  
   
   
       7 . Wiper according to  claim 6  wherein said radial tongue ( 5 ) is a vertical tongue ( 7 ), and wherein said radial channel is a vertical channel ( 70 ).  
   
   
       8 . Wiper according to  claim 7  wherein said vertical tongue ( 7 ) has a central edge ( 75 ) contained in a vertical plane containing said axial direction ( 10 ).  
   
   
       9 . Wiper according to  claim 7  wherein said vertical tongue ( 7 ) has a central edge ( 75 ) contained in a vertical plane located at a constant distance d from said axial direction ( 10 ).  
   
   
       10 . Wiper according to  claim 7  wherein said vertical tongue ( 7 ) has, in a horizontal plane ( 13 ) perpendicular to said axial direction ( 10 ), a section in the form of an angular sector with an apex angle α between 0.9×360°/N and 1.1×360°/N, said vertical tongue ( 7 ) including two vertical faces ( 73 ) forming a dihedral angle with apex angle α.  
   
   
       11 . Wiper according to  claim 7  wherein said wiping means, forming a plurality of vertical tongues ( 7 ), has an internal envelope volume, delimited by the internal profile ( 71 ) of said tongues, typically including, from top to bottom: 
 a) a flared upper part ( 710 ), opening upwards and typically like a truncated cone, with a maximum diameter Dh    b) a central part ( 711 ), typically cylindrical, with a diameter Dc    c) a flared lower part ( 712 ) opening downwards, including a cylindrical lower end ( 713 ), with a diameter Db.    
   
   
       12 . Wiper according to  claim 11  wherein Dc is between 3 mm and 6 mm, with Dh/Dc between 1.2 and 3.5 and Db/Dc between 1.2 and 3.5.  
   
   
       13 . Wiper according to  claim 7  wherein said vertical tongues ( 7 ) have a height H L  between 2 mm and 10 mm.  
   
   
       14 . Wiper according to  claim 6  wherein said plurality of vertical tongues ( 7 ) is integral with said typically cylindrical peripheral skirt ( 6 ), each vertical tongue ( 7 ) being integral by its base ( 72 ) with said peripheral skirt ( 6 ), said peripheral skirt ( 6 ) limiting, at their periphery, said radial channels ( 70 ).  
   
   
       15 . Wiper according to  claim 7  wherein the totality or a fraction of said vertical tongues ( 7 ) includes, typically on each of its two vertical faces ( 73 ), and over a small part of its height H L , typically over a height between 0.1.H L  and 0.2.H L  a lateral projection forming an additional wiping platelet ( 74 ).  
   
   
       16 . Wiper according to  claim 15  wherein said additional wiping platelet ( 74 ) has a horizontal profile widening as it moves away from said axial direction, in such a way that said radial channel ( 70 ), included between two vertical tongues gets gradually smaller, said radial channel ( 70 ) being considered at the level of said wiping platelet ( 74 ).  
   
   
       17 . Wiper according to  claim 15  wherein said wiping platelet ( 74 ) has a typically horizontal lower surface ( 740 ) and an inclined upper surface ( 741 ), said lower and upper surfaces connecting through a wiping edge ( 742 ), in such a way that said lower surface ( 740 ) participates in said wiping when said applicator is withdrawn from said container, and in such a way that said upper face ( 741 ) facilitates the return of said applicator into said container.  
   
   
       18 . Wiper according to  claim 15  wherein each vertical tongue ( 7 ) has a wiping platelet ( 74 ) on each of its right-hand and left-hand vertical faces ( 73 ), said wiping platelets ( 74 ) being typically at the same height, a so-called right-hand wiping platelet ( 74 ′) on said right-hand face and a left-hand platelet ( 74 ″) on said left-hand surface, said right-hand wiping platelet ( 74 ′) of a vertical tongue and said left-hand wiping platelet ( 74 ″) of the next vertical tongue meeting typically at their radial end ( 743 ) at the bottom of the radial channel ( 70 ).  
   
   
       19 . Wiper according to  claim 15  wherein one vertical tongue ( 7 ) in two, alternately, has a wiping platelet ( 74 ) on each of its right-hand and left-hand faces ( 73 ), said wiping platelets ( 74 ) being typically at the same height, a so-called right-hand platelet ( 74 ′) on said right-hand face and a so-called left-hand wiping platelet ( 74 ″) on said left-hand surface, said right-hand platelet and said left-hand platelet of said vertical tongue typically meeting, at their radial end ( 743 ) at the bottom of the radial channel ( 70 ), the adjacent vertical tongues ( 7 ) without said wiping platelet ( 74 ).  
   
   
       20 . Container fitted with a wiper according to  claim 1 .  
   
   
       21 . Mascara dispenser including a container according to  claim 20.