초록 ▼

A cosmetic pen includes a hollow cap; a hollow plunger including, on an outer surface, a front annular groove, an annular flange configured to urge against an internal shoulder of the hollow cap, a rear tubular member, and an annular projection; a hollow conic member urging against the annular flang

A cosmetic pen includes a hollow cap; a hollow plunger including, on an outer surface, a front annular groove, an annular flange configured to urge against an internal shoulder of the hollow cap, a rear tubular member, and an annular projection; a hollow conic member urging against the annular flange; an applicator; a biasing member put on the tubular member and having a front end urging against the annular projection; a hollow valve put on both the annular projection and the biasing member, the hollow valve including rear outlet ports; a hollow member fastened in the hollow cap; a sealing ring disposed tightly between a front end of the hollow plunger and an inner surface of the hollow conic member; and a pen tube. Airtightness of the pen tube is sound in a closed state.

대표청구항 ▼

1. A cosmetic pen comprising: a hollow cap including a rear opening and an annular shoulder on an inner surface;a hollow plunger including, on an outer surface, a front annular groove, an annular flange adjacent to the annular groove and being configured to urge against the annular shoulder, a rear

1. A cosmetic pen comprising: a hollow cap including a rear opening and an annular shoulder on an inner surface;a hollow plunger including, on an outer surface, a front annular groove, an annular flange adjacent to the annular groove and being configured to urge against the annular shoulder, a rear tubular member, and an annular projection spaced from the annular flange and abutted on the tubular member;a hollow conic member having an enlarged rear end urging against the annular flange;a applicator passing through both the hollow plunger and the hollow conic member to be secured thereto;a biasing member put on the tubular member and having a front end urging against the annular projection;a hollow valve put on both the annular projection and the biasing member, the hollow valve including an internal shoulder urging against a rear end of the biasing member, and a plurality of rear outlet ports adjacent to a rear end of the applicator in the hollow plunger;a hollow member disposed in the hollow cap and having a front end engaged a blind end of the cap, the hollow member including a flexible, rear annular recess urging against both a tapered front end of the hollow conic member and an inner surface of the hollow cap;a sealing ring disposed tightly between a front end of the hollow plunger and an inner surface of the hollow conic member; anda pen tube releasably secured to the hollow cap;wherein in a closed state of the cosmetic pen, the annular projection compresses the biasing member to urge a rear end of the hollow plunger against a rear end of the hollow valve. 2. The cosmetic pen of claim 1, wherein the hollow cap further comprises internal threads forwardly of the rear opening. 3. The cosmetic pen of claim 2, wherein the pen tube further comprises an externally threaded front end adapted to secure to the internal threads. 4. The cosmetic pen of claim 1, further comprising a plurality of membranes in the outlet ports respectively, the membranes being allowed to bend inward only. 5. The cosmetic pen of claim 1, wherein the applicator has a tapered front end. 6. The cosmetic pen of claim 1, wherein the pen tube is hollow to form a cosmetic liquid storage space. 7. The cosmetic pen of claim 1, wherein any of other pen tubes are configured to mount on the hollow valve adjacent to the outlet ports as long as it is shaped complementarily to the hollow valve.