Color Linker Ink Mixing via Segmented Barrier and Angular Flow
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Solution Overview
Problem
Conventional ink mixing systems are complex, difficult to use, and expensive due to their numerous components.
Innovation Solution
A color linker with a base segment, mixing segment, and tip segment configured to allow ink flow, featuring a barrier to prevent radial ink exchange, and utilizing sintered polymer powder or pultruded fibers for enhanced mixing and capillary action, with angular offsets to improve ink mixing and reduce backflow.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional ink mixing systems use replaceable ink cartridges with multiple reservoirs, then color mixing capability is achieved, but device complexity and cost increase
Solution Approach 1:
The color linker is divided into three distinct segments (base segment, mixing segment, tip segment) that are connected in series. Each segment performs a specific function: the base segment receives separate ink flows, the mixing segment combines them through angular offset channels, and the tip segment delivers the mixed ink. This segmentation allows complex color mixing functionality to be achieved through simple, modular components rather than a single complex cartridge system.
Solution Approach 2:
The patent combines multiple ink flows into a single mixed ink output through the color linker. The base segment receives ink from multiple sources (e.g., black and colored inks), and through the angular offset channels in the mixing segment, these separate flows are merged into a unified mixed ink stream that exits through the tip segment. This merging approach eliminates the need for separate cartridges for each color combination.
2Adaptability or versatility
If conventional ink mixing systems allow radial ink mixing, then mixing capability is provided, but backflow between color discharge devices occurs
Solution Approach 1:
The channels in the color linker are designed with angular offsets between segments rather than symmetric radial arrangements. The base segment channels enter at one angular orientation, the mixing segment channels are offset by a specific angle (e.g., 90 degrees), and the tip segment channels are offset again. This asymmetric angular progression creates unidirectional ink flow that prevents backflow between different ink sources while still achieving thorough mixing through the angular transitions.
3Productivity
If sintered polymer powder or pultruded fibers are used in the color linker, then ink mixing efficiency is improved, but manufacturing complexity increases
Solution Approach 1:
The color linker is constructed using sintered polymer powder or pultruded fibers, which create a porous structure with interconnected voids. This porosity enables capillary action to draw ink through the material, enhancing mixing efficiency as ink flows through the complex internal pore network. The porous structure naturally promotes thorough mixing through diffusion and capillary forces without requiring additional mechanical mixing components, maintaining manufacturing simplicity while improving mixing performance.
Solution Approach 2:
The patent utilizes capillary action (a hydraulic principle) within the porous structure of the sintered polymer or pultruded fiber material to drive ink flow through the color linker. The capillary forces naturally pull ink through the porous matrix, creating efficient mixing as the ink navigates the complex internal pathways. This passive hydraulic approach eliminates the need for pumps or other active mixing mechanisms, maintaining ease of manufacture while achieving high mixing efficiency.
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 color linker effectively mixes inks with improved efficiency and reduces the risk of backflow, providing a simpler and more cost-effective solution for ink mixing and deposition.
Implementation Method 1
The color linker may comprise sintered polymer powder or foam with open porosity interconnected or a rod of pultruded fibers with any shape or non-woven felt
Implementation Method 2
The barrier may be hydrophobic
Data Source
AI summary
The application relates to a color linker comprising a base segment including a first portion and a second portion, each of which are configured to allow ink to flow therethrough, and a barrier positioned between the first and second portions, the barrier being configured to prevent the exchange of ink between the first and second portions; a mixing segment adjacent to the base segment, a tip segment adjacent to the mixing segment, and a tip applicator adjacent to the tip segment, the tip applicator being configured to deposit ink onto a writing surface.