Cosmetic product applicator comprising an elongate portion coated with a lobe

Patent metadata

Field	Value
Publication number	US-9370234-B2
Application number	US-201314093220-A
Country	US
Kind code	B2
Filing date	Nov 29, 2013
Priority date	Nov 30, 2012
Publication date	Jun 21, 2016
Grant date	Jun 21, 2016

Abstract

An applicator is provided for a cosmetic product, in particular mascara. The applicator includes a brush which includes a core and fibers projecting from the core. At least one of the fibers includes an elongate portion made of a first material and a lobe arranged at an end of the elongate portion. The lobe in turn is made of a second material coating an end of the elongate portion.

First claim

What is claimed is:

1. A method for producing a cosmetic product applicator comprising:
dipping at least some of different free ends of elongate portions of fibers of a brush into a second material of a lobe arranged at an end of each of the elongate portions in order to coat each free end of the elongate portions with the second material to form the lobe, the brush comprising a core and the fibers projecting from the core, the fibers comprising the elongate portions made of a first material and the lobe arranged at an end of each of the elongate portions, the lobe being made of the second material coating the ends of the elongate portions, the brush additionally comprising a series of angular sectors extending radially around the core, each angular sector comprising at least one fiber, and wherein, during dipping, the different free ends of the elongate portions are immersed sector by sector in a tray containing the second material;
moving the brush during dipping the elongate portions, in translation parallel to a free surface of the second material contained in the tray at a speed of movement in translation, and
simultaneously driving the brush in rotation about a longitudinal axis (X) of the core at a speed of rotation,
the speed of movement and the speed of translation being such that an instantaneous speed of a free end of an elongate portion relative to the core is equal to the speed of movement in translation of the brush relative to the tray, such that the brush rolls in the tray.

2. The method of claim 1 , wherein only the free ends of the elongate portions are dipped into the second material.

3. The method of claim 1 , further comprising cutting all or some of the elongate portions of at least one sector prior to dipping.

4. The method of claim 1 , wherein the dipping of at least one of the elongate portions into the second material is repeated at least once.

5. The method of claim 1 , wherein the dipping of at least one of the elongate portions into the second material is repeated twice.

6. The method of claim 1 , further comprising polymerizing the second material coating the end of all or some of the elongate portions.

Assignees

• Albea Services

Inventors

• Lhoyer Patrick

Classifications

• A46D3/005

  by moulding or casting a body around bristles or tufts of bristles · CPC title

• A46D3/00

  Preparing, {i.e. Manufacturing} brush bodies · CPC title

• A45D40/262 Primary

  using a brush or the like · CPC title

• A46B2200/1053

  Cosmetics applicator specifically for mascara · CPC title

• A46B9/00

  Arrangements of the bristles in the brush body · CPC title