Patent ID: 11905085
Assignee: SHENZHEN BONA PHARMA TECHNOLOGY CO., LTD.
Field: Chemical engineering (Chemistry)
Classification: CPC B | IPC B

Claim 5:
6. The feeding container device according to claim 1, wherein the sealing ring (4) comprises:
a sealed main body (41);
a first protrusion (42), a second protrusion (43), a third protrusion (44) and a fourth protrusion (45) which all extend from an end face facing the second cover body (3) of the sealed main body (41) and which are arranged sequentially from inside to outside; the inner connection slot (46) is formed between the first protrusion (42) and the second protrusion (43);
the outer connection slot (47) is formed between the third protrusion (44) and the fourth protrusion (45); and
the fourth protrusion (45) abuts a cover main body (21) of the first cover body (2).