AIRTIGHT LIP COSMETIC CASE OF WHICH INSIDE IS DOUBLY SEALED
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United States of America
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Issued Date -
Jan 23, 2020
app pub date -
Sep 20, 2017
filing date -
Sep 20, 2017
priority date (Note) -
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Abstract
The present invention relates to an airtight lip cosmetic case of which the inside is doubly sealed, comprising: a lower case; an upper case which is rotatably coupled to the top of the lower case and has a sealing shoulder formed on the outside thereof; a rising piston which rises within the upper case and has a lip cosmetic product attached to the upper side thereof; a sealing piston which is fixed and coupled to the outside of the rising piston; and an over-cap which is detachable from the lower case, wherein the airtight lip cosmetic case further comprises a sealing ring formed on the outer circumference of the rising piston such that the sealing ring rises in a state of being in close contact with the inner circumference of the upper case, and a sealing blade formed on the outer circumference of the sealing piston.
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