Patent ID: 11912487
Assignee: INTER HOLDINGS CO., LTD.
Field: Handling (Mechanical engineering)
Classification: CPC B | IPC B

Claim 1:
2. The bag-in box according to claim 1, wherein
the opening and closing plug provided at the upper portion of the suspension container includes a check valve therein,
when filling the liquid content, the opening and closing plug of the suspension container is opened to fill the suspension container with the liquid content, and then the opening and closing plug is closed to discharge air in the suspension container from the check valve to fill the suspension container with only the liquid content,
the suspension container is fitted in the storage box to draw out the pouring nozzle opening and closing mechanism at the lower end of the suspension container from the through hole, and
the opening and closing plug provided at the upper portion of the suspension container is suspended and held by the suspension unit.