Liquid cartridge
The blow-molded housing with recessed walls and ribs in liquid cartridges addresses rigidity and aesthetic issues, enhancing structural integrity and appearance by minimizing manufacturing defects and recess visibility.
JP2026115073APending Publication Date: 2026-07-09BROTHER KOGYO KK
Patent Information
- Application Number
- JP2024231502
- Authority / Receiving Office
- JP · JP
- Patent Type
- Applications
- Current Assignee / Owner
- Filing Date
- 2024-12-27
- Publication Date
- 2026-07-09
Smart Images
Figure 2026115073000001_ABST
Abstract
To improve the rigidity and aesthetics of cartridges with shapes other than rectangular prisms. [Solution] The ink cartridge comprises a blow-molded container body 31. The container body 31 has a left wall 42, a right wall 43, a storage chamber 46 between the left wall 42 and the right wall 43, an air passage 502, and a supply section 33. The air passage 502 communicates the storage chamber 46 with the outside. The supply section 33 is located below the air passage 502 and communicates the storage chamber 46 with the outside. The left wall 42 has a first recess 601 that recesses toward the right wall 43. The right wall 43 has a second recess 602 that recesses toward the left wall 42. The first recess 601 and the second recess 602 are joined in the storage chamber 46 and are located vertically between the air passage 502 and the supply section 33.
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Citation Information
Patent Citations
Cartridge
JP2023009790A