US 12,102,208 B2
Brush for applying a product to the eyelashes and/or eyebrows
Alain Berhault, Clichy (FR); Camille Schreiber, Clichy (FR); Audrey Thenin, Clichy (FR); and Eric Caulier, Clichy (FR)
Assigned to L'OREAL, Paris (FR)
Appl. No. 16/347,998
Filed by L'OREAL, Paris (FR)
PCT Filed Nov. 13, 2017, PCT No. PCT/EP2017/079041
§ 371(c)(1), (2) Date May 7, 2019,
PCT Pub. No. WO2018/091404, PCT Pub. Date May 24, 2018.
Claims priority of application No. 1661019 (FR), filed on Nov. 15, 2016.
Prior Publication US 2019/0289982 A1, Sep. 26, 2019
Int. Cl. A46B 9/02 (2006.01); A45D 34/04 (2006.01); A45D 40/26 (2006.01)
CPC A45D 34/045 (2013.01) [A45D 40/262 (2013.01); A45D 40/265 (2013.01); A46B 9/021 (2013.01); A46B 2200/1053 (2013.01)] 12 Claims
OG exemplary drawing
 
1. A brush for applying a product to the eyelashes and/or eyebrows, comprising:
a core, that extends along a longitudinal axis, and
bristles that are held by the core in a portion of the core bearing the bristles, the bristles having free ends that define an envelope surface, the envelope surface, apart from facet(s) and groove(s), being cylindrical,
wherein the envelope surface has:
at least two facets extending along at least half the length of the portion of the core bearing the bristles;
at least two angular sectors with a contour of circular overall shape in section of the envelope surface; and
at least two grooves, each having outer edges situated on the contour of circular overall shape of one of the at least two angular sectors, the at least two grooves extending along at least half the length of the portion of the core bearing the bristles, the at least two grooves being narrower than the at least two facets, the at least two facets being made by cutting the envelope surface and being delimited by visible edges, and
wherein the at least two angular sectors, the at least two grooves and the at least two facets are configured such that the envelope surface has on moving around the longitudinal axis of the core, an alternation of facet(s) and angular sector(s), each angular sector being delimited on both sides by the at least two facets on moving around the longitudinal axis of the brush, and the at least two grooves arranged such that all of the angular sectors of the brush each comprising one or two grooves.