AIRTIGHT CONTAINER HAVING FLEXIBLE HINGE PART AND DOUBLE INJECTION STRUCTURE

WIPO Patent Application WO/2021/162453

A1

The present invention relates to an airtight container including a container body having an opening part of which the top is open, and a cover for opening/closing the opening part, the airtight container comprising: a rim part coupled to the rim of the cover so as to be pressed to a sealing edge formed on the upper end of the container body; a locking clamp extending from the rim part so as to hermetically couple the container body and the cover, and having an engagement part which is engaged with a locking part extending from the sealing edge or formed on a side wall; and a hinge part provided between the rim part and the locking clamp and formed of a material which is folded and unfolded with respect to the rim part such that the engagement part can be engaged with and released from the locking part. Accordingly, it is possible to provide the airtight container having the flexible hinge part and double injection structure, which can have improved durability since damage of the hinge part can be prevented when used for a long time, and which has a simple structure, is convenient to use and easy to clean, facilitates locking and releasing, and can have improved cleanliness since the rim part and the locking part has the double injection structure.

CHOI WOON HWAN (KR)

PCT/KR2021/001787

August 19, 2021

February 10, 2021

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NEOFLAM INC (KR)

B65D45/02; B29C45/00; B29C65/02; B65D43/02; B29L31/00

WO2004103845A2

2004-12-02

KR20110015122A	2011-02-15
KR101004351B1	2010-12-28
JP3155696U	2009-11-26
KR20080002204U	2008-06-26
KR101004351B1	2010-12-28
KR20100009527U	2010-09-29

See also references of EP 3960650A4

JUNG, Mu Seok (KR)

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