Cosmetic applicator

Abstract

Various embodiments of an applicator for applying a cosmetic product are disclosed. The applicator may include at least two applicator elements, each including at least one periodic pattern with at least one undulation, where the at least two periodic patterns may be different from one another.

1 .- 80 . (canceled) 
   
   
       81 . A device for applying a product to nails, comprising:
 a receptacle containing a nail product to be applied; and   an applicator for applying the product to the nails, the applicator comprising
 a plurality of applicator elements, 
 wherein the plurality of applicator elements comprises a first applicator element having at least one undulation, and a second applicator element that is substantially rectilinear, and 
 wherein a first periodic pattern of undulations repeats along the first applicator element. 
   
   
   
       82 . The device according to  claim 81 , wherein at least two different periodic patterns of undulations occur on the first applicator element. 
   
   
       83 . The device according to  claim 82 , wherein each of the at least two different periodic patterns comprises at least one undulation having a shape that is different from a shape of at least one undulation of another of the at least two different periodic patterns. 
   
   
       84 . The device according to  claim 81 , wherein the at least one undulation comprises a shape selected from a sawtooth shape and a sinusoidal shape. 
   
   
       85 . The device according to  claim 81 , wherein the first and second applicator elements comprise bristles. 
   
   
       86 . The device according to  claim 85 , wherein the applicator comprises between 30 percent and 60 percent bristles that are substantially similar to the first applicator element. 
   
   
       87 . The device according to  claim 82 , wherein each of the at least two different periodic patterns comprises at least one undulation having an amplitude that is different from an amplitude of an undulation of another of the at least two different periodic patterns. 
   
   
       88 . The device according to  claim 82 , wherein each of the at least two different periodic patterns comprises at least one undulation having a spatial frequency that is different from a spatial frequency of an undulation of another of the at least two different periodic patterns. 
   
   
       89 . The device according to  claim 81 , wherein the second applicator element comprises regularly occurring notches. 
   
   
       90 . The device according to  claim 81 , wherein the first applicator element has a diameter that is different from a diameter of the second applicator element. 
   
   
       91 . The device according to  claim 81 , wherein the first applicator element comprises a plurality of periodic patterns along its entire length. 
   
   
       92 . The device according to  claim 81 , wherein the first applicator element comprises a length different from a length of the second applicator element. 
   
   
       93 . The device according to  claim 85 , wherein at least one of the bristles comprises a twisted bristle. 
   
   
       94 . The device according to  claim 85 , wherein at least one of the bristles comprises a non-circular cross-section. 
   
   
       95 . The device according to  claim 85 , wherein at least one of the bristles comprises a solid cross-section. 
   
   
       96 . The device according to  claim 85 , wherein the bristles comprise at least two different kinds of bristles. 
   
   
       97 . The device according to  claim 85 , wherein the bristles are secured in a housing by at least one of an adhesive, stapling, overmolding, and stamping. 
   
   
       98 . A device for applying a product to nails, comprising:
 a receptacle containing a nail product to be applied; and   an applicator for applying the product to the nails, the applicator comprising:
 a plurality of bristles, 
 wherein a first bristle in the plurality of bristles comprises at least one periodic pattern, 
 wherein a second bristle in the plurality of bristles is substantially rectilinear, and 
 wherein the at least one periodic pattern repeats regularly along the first bristle, 
 wherein the applicator includes a stem, the plurality of bristles being secured in a housing at an end portion of the stem, the housing presenting a shape that diverges towards the outside so that the plurality of bristles form a broader bundle. 
   
   
   
       99 . The device according to  claim 98 , wherein the first bristle comprises at least two different periodic patterns. 
   
   
       100 . The device according to  claim 99 , wherein each of the at least two different periodic patterns comprises at least one undulation having a shape that is different from a shape of at least one undulation of another of the at least two different periodic patterns. 
   
   
       101 . The device according to  claim 98 , wherein the at least one periodic pattern comprises a shape selected from a sawtooth shape and a sinusoidal shape. 
   
   
       102 . The device according to  claim 98 , wherein the applicator comprises 30 to 60 percent bristles that are substantially similar to the first bristle. 
   
   
       103 . The device according to  claim 98 , wherein one of the plurality of bristles has a diameter that is different from a diameter of another of the plurality of bristles. 
   
   
       104 . The device according to  claim 98 , wherein the first bristle comprises a plurality of periodic patterns along its entire length. 
   
   
       105 . The device according to  claim 98 , wherein at least two of the bristles in the plurality of bristles comprise lengths different from one another. 
   
   
       106 . The device according to  claim 98 , wherein at least one of the bristles in the plurality of bristles comprises a twisted bristle. 
   
   
       107 . The device according to  claim 98 , wherein at least one of the bristles comprises a non-circular cross-section. 
   
   
       108 . The device according to  claim 98 , wherein the bristles are secured to the housing by at least one of an adhesive, stapling, overmolding, and stamping.