| 摘要 |
PURPOSE: A package assembly is provided to have a bottom cover preventing the outer leakage of the product between the upper cover and the bottom cover thereby keeping the product required long period for preserving the volatile component such as liquid or gel type liquidity product or aromatic agent. CONSTITUTION: A package assembly(100) included a top cover(110), a bellow cover(120) and a bottom cover(130). The top cover included a receiving part(111) and a circumference joint(113). The receiving part is projected from the outer circumference to have a seating capacity for the liquidity product to be accepted. The circumference joint is included in the outer circumference of the receiving part. The bellow cover included a base portion(121) and a top cover joint(123). The base portion supports the liquidity product accepted in the seating capacity. The top cover joint is included in the outer circumference of the base portion and is contact-combined with the top cover. The bellow cover prevents the liquidity product from outer leakage. The bottom cover is located in the bottom area of the bellow cover and is combined with the circumference joint of the top cover.
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