Patent ID: 9731873
Date: 2017-08-15
CPC Classifications: B65D

Claim:
1. An intermediate bulk container (IBC) comprising: a side plate, a base, and a channel located in said base and used to receive a built-in valve, wherein said IBC further comprises a cover device, said cover is installable on said base at a position adjacent to said side plate and is rotatable around a rotational axis of said cover, so as to open or cover a channel port of said IBC; wherein said cover is a plate member comprising a fitting part and a cover body, wherein said rotational axis is located between said fitting part and said cover body so that said cover body is rotatable around said rotational axis; fitting pins used to assemble said cover to said base are provided at left and right sides of said fitting part respectively, and grooves for engaging with said fitting pins of said cover are provided at an upper edge of said base of said IBC, wherein said fitting pins of said cover are mountable to and removable from said grooves when said side plate is collapsed, and wherein said fitting pins of said cover cannot escape from said grooves when said side plate is erected up; and said structures used to be detachably engaged with said side plate are provided on said cover body, and a mating structure corresponding to said structures on said cover body is provided at said side plate.