US 11,849,827 B2
Cosmetic product dispensing pipette comprising a ball receiving insert, and associated device and method
Maxim Stimpfling, Clichy (FR)
Assigned to L'OREAL, Paris (FR)
Appl. No. 17/627,334
Filed by L'OREAL, Paris (FR)
PCT Filed Jul. 24, 2020, PCT No. PCT/EP2020/070940
§ 371(c)(1), (2) Date Jan. 14, 2022,
PCT Pub. No. WO2021/018765, PCT Pub. Date Feb. 4, 2021.
Claims priority of application No. 19 08520 (FR), filed on Jul. 26, 2019.
Prior Publication US 2022/0265025 A1, Aug. 25, 2022
Int. Cl. A45D 34/04 (2006.01); A45D 40/26 (2006.01)
CPC A45D 34/041 (2013.01) [A45D 40/261 (2013.01); A45D 2200/055 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A dispensing pipette for a cosmetic product, comprising:
a tubular dispensing duct for dispensing a cosmetic product, defining a longitudinal passage for the cosmetic product, the tubular duct having an upper end and a lower end, the lower end defining a receiving insert for receiving a ball, and
a ball rotatably mounted in the receiving insert, the ball being designed to come into contact with the skin of a user and to dispense the cosmetic product by rotation of the ball;
wherein the receiving insert has an inner surface facing the ball, the receiving insert defining at least one longitudinal channel radially withdrawn away from the ball into the inner surface so as to allow the flow of the cosmetic product between the lower end of the dispensing pipette and the tubular duct around the ball; and wherein the or each longitudinal channel has, in cross-section in a traverse plane, a shape converging toward the ball.