US 10,143,288 B2Granted

Cosmetic applicator

AssigneeMitsubishi Pencil Company, Limited

InventorsSatoshi Sakuma, Takayuki Hayakawa, Shigeki Ooba

Life of this patent

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Abstract

Provided is a cosmetic applicator which is excellent in a stability of discharging a liquid cosmetic and excellent as well in an aging stability of a liquid cosmetic and which makes it easy to observe the end of consuming the liquid cosmetic regardless of whether or not an inside of a reservoir is visible and whether or not a coating part is a ballpoint pen type. The cosmetic applicator is prepared by providing a cylindrical reservoir, a coating part mounted at a tip of the cylindrical reservoir, a liquid cosmetic and a liquid follower which is brought into contact with the liquid cosmetic and moves following a reduction in the liquid cosmetic and which has a hue different from that of the liquid cosmetic, wherein a volume of the follower is 0.5 or more based on a volume of the liquid cosmetic.

Claims10

Dependent claims

A cosmetic applicator comprising:

a cylindrical reservoir,
a coating part mounted at a tip of a housing of the cylindrical reservoir,
a liquid cosmetic supplied directly to at least partially fill the cylindrical reservoir to the coating part or directly to the cylindrical reservoir communicating with the coating part via an interposed member to at least partially fill the cylindrical reservoir, and a liquid follower which is brought into contact with the liquid cosmetic and moves following a reduction in the liquid cosmetic due to consumption thereof and which has a hue different from that of the liquid cosmetic,
wherein a volume of the follower is 0.5 or more based on a maximum volume of the liquid cosmetic of the cylindrical reservoir, and
wherein the liquid follower comprises at least one selected from a liquid which is insoluble or scarcely soluble in the liquid cosmetic, comprising a nonvolatile or scarcely volatile organic solvent, a gelled substance of the insoluble or scarcely soluble liquid comprising a liquid containing the nonvolatile or scarcely volatile organic solvent and a thickener.

2 more elements

Dependencies are inferred from the claim text.

Facts

Application: 15/096,847Filed 12 Apr 2016
Priority: JP 2015-08208913 Apr 2015
Published: US 2016/0295990 A113 Oct 2016
Granted: 4 Dec 2018
Term ends: Not estimatedThe source records don’t support an estimate.

Classification6 codes

A45D 34/042
Appliances specially adapted for applying liquid, e.g. using roller or ball: using a brush or the like
A45D 34/041
Appliances specially adapted for applying liquid, e.g. using roller or ball: using a roller, a disc or a ball
B43K 5/12
Ink reservoirs: with ink-level inspection means
B43K 7/06
Ink reservoirs; Ink cartridges: reservoirs with ink-level inspection means