Cosmetic pen having a sealing arrangement
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Jan 16, 2018
Issued Date -
N/A
app pub date -
Jun 30, 2016
filing date -
Jun 30, 2016
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
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.
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