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US 11,141,984 B2Granted
Tank with tank main body and lid
AssigneeRiso Kagaku Corporation
InventorsToshiya Saigusa, Hiroshi Sugitani, Takehiro Yamori
Life of this patent
Estimating the term…
Abstract
A tank includes a tank main body configured to house liquid and a lid configured to cover an upper side of the tank main body. The tank main body includes an atmosphere communication hole having an opening opened on an upper surface of the tank main body and a lowered step portion dug down from a periphery of the opening. The lid includes a recess formed on a lower surface of the lid and facing the opening.
Claims5
A tank comprising:
- a tank main body configured to house liquid;
- and
- a lid configured to cover an upper side of the tank main body, wherein the tank main body comprises:
- an atmosphere communication hole having an opening opened on an upper surface of the tank main body;
- and
- a lowered step portion dug down from a periphery of the opening, and the lid comprises a recess formed on a lower surface of the lid and facing the opening.
3 more elements
Dependencies are inferred from the claim text.