Novel disposable meal box cover

The utility model discloses a novel disposable meal box cover which comprises a cover body, a first sealing ring is arranged on the inner face of the cover body, a heat preservation layer is arranged in the first sealing ring, air pressure balance holes are formed in the two sides of the first seali...

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Bibliographic Details
Main Author LIN CHENGMEI
Format Patent
LanguageChinese
English
Published 31.12.2021
Subjects
HAND CARRIED BAGS
HAND OR TRAVELLING ARTICLES
HUMAN NECESSITIES
LUGGAGE
PURSES
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Summary:The utility model discloses a novel disposable meal box cover which comprises a cover body, a first sealing ring is arranged on the inner face of the cover body, a heat preservation layer is arranged in the first sealing ring, air pressure balance holes are formed in the two sides of the first sealing ring, and the thickness of the first sealing ring is larger than that of the heat preservation layer. The cover body is provided with a first sealing ring, the first sealing ring is provided with colloidal particles which are densely arranged, the heat-insulating layer is paved with wavy line bulges, the cover body is assembled on the lunch box through the covering clamping position and the first sealing ring, internal gas is not easy to contact with the outside due to the arrangement of the colloidal particles, and meanwhile, the internal gas is reflected back under the action of the wavy line bulges, so that the lunch box is more attractive in appearance. And when the lunch box needs to be opened, the lunch bo
Bibliography:Application Number: CN202121863943U