Patent ID: 11925248
Assignee: TOKIWA CORPORATION
Field: Other consumer goods (Other fields)
Classification: CPC A | IPC A

Claim 0:
1. A liquid cosmetic material container comprising:
a sleeve that includes a storage chamber that stores a liquid cosmetic material therein;
a bead member that is disposed at a front end of the sleeve, has a through hole extending in an axial direction of the liquid cosmetic material container and configured to store a brush in the through hole;
a relay core that is configured to connect the brush and the storage chamber, enter the brush, and send the liquid cosmetic material in the storage chamber to the brush; and
a cap that is detachably attached to the sleeve,
wherein a rear portion of the through hole has a first cross sectional area, a front portion of the through hole has a second cross sectional area which is smaller than the first cross sectional area, and a cross sectional area of the through hole is gradually changed from the first cross sectional area to the second cross sectional area,
when viewed in the axial direction, a shape of the rear portion of the through hole is formed in a first corrugated shape in which first concave and first convex portions are alternately disposed and connected to have a first annular shape, the brush comes into contact with the first convex portions of the first corrugated shape, and a first gap is formed between each of the first concave portions of the first corrugated shape and the brush,
when viewed in the axial direction, a shape of the front portion of the through hole is formed in a second corrugated shape in which second concave and second convex portions are alternately disposed and connected to have a second annular shape, the brush comes into contact with the second convex portions of the second corrugated shape, and a second gap which is smaller than the first gap is formed between each of the second concave portions of the second corrugated shape and the brush,
a concave curvature of one of the second concave portions is smaller than that of a corresponding one of the first concave portions, and
a convex curvature of one of the second convex portions is smaller than that of a corresponding one of the first convex portions.