Liquid Absorber With Recessed Cover For Inkjet Waste Ink
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Solution Overview
Problem
Existing liquid absorption members in ink jet printers have high bulk density, insufficient liquid absorption properties, and high processing costs, making them inefficient for conforming to various shapes and preventing waste ink spilling during discharge.
Innovation Solution
A liquid absorber comprising a liquid absorption member with fibers and liquid-absorbent resin, housed in a case with a cover featuring through-holes, which allows ink to pass through and prevents spilling by recessed design, enhancing absorption and versatility.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If individual fibers are fused to one another with a fused resin, then the liquid absorption member has structural integrity, but the bulk density becomes high and liquid absorption properties become insufficient
Solution Approach 1:
The liquid absorption member utilizes a porous structure formed by non-fused fibers, creating void spaces that enable high liquid absorption capacity while maintaining structural integrity through the interwoven fiber network rather than resin bonding
Solution Approach 2:
The invention changes the bulk density parameter by avoiding fiber fusion, creating a low bulk density structure (0.03-0.5 g/cm³) that enables high liquid absorption properties compared to traditional fused resin structures
2Shape
If the liquid absorption member is processed to fit the shape of the case, then it can be stored properly, but the versatility is reduced and processing costs increase
Solution Approach 1:
The liquid absorption member is designed with universal shape adaptability, allowing it to conform to any case geometry without specialized processing. The flexible fiber assembly can be filled into cases of various shapes, making it applicable to multiple printer models and configurations
Solution Approach 2:
The invention changes the flexibility parameter by using non-fused fibers that can bend and conform to different geometries, enabling the same absorption member design to be used in cases with different shapes and sizes across various applications
3Reliability
If a recessed portion is provided to prevent waste ink spilling, then liquid retention is improved, but the cover structure becomes more complex
Solution Approach 1:
The recessed portion is formed by creating a localized depression in the cover surface, adding a vertical dimension to the otherwise flat cover structure. This dimensional change creates a liquid containment zone that prevents spilling while maintaining overall structural simplicity
Solution Approach 2:
The recessed portion is localized to specific areas of the cover where liquid discharge occurs, providing enhanced liquid retention only where needed. The rest of the cover maintains its simple flat structure, minimizing overall complexity while achieving the desired reliability
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The solution improves ink absorption and retention characteristics while reducing bulk density, enabling the absorber to conform to various shapes and maintain effective ink discharge without spilling, thus reducing production costs and ensuring consistent performance.
Implementation Method 1
The liquid absorption member includes a fiber and a liquid-absorbent resin
Implementation Method 2
The liquid-absorbent resin may be supported by the substrate
Data Source
AI summary
A liquid absorber includes a liquid absorption member, a case, and a cover. The liquid absorption member absorbs liquid. The liquid absorption member includes a fiber and a liquid-absorbent resin. The liquid absorption member is stored in the case. The cover covers the liquid absorption member. The cover includes through-holes through which the liquid is to pass. The cover includes a recessed portion recessed toward the liquid absorption member. The recessed portion is disposed at a location to which the liquid is to be discharged. The through-holes are disposed at least in the recessed portion.