Nested UV Ink Containing Body with Light Shielding
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Solution Overview
Problem
Existing liquid containing bodies, particularly those storing ultraviolet curable ink, face issues such as premature hardening due to exposure to light and inadequate user safety during handling, with a need for miniaturization, resource efficiency, and enhanced usability.
Innovation Solution
A liquid containing body design featuring a flexible member and supply member sealed within a first bag, which is partially enclosed in a second bag providing light shielding properties, preventing UV and visible light exposure and allowing for easy identification of leaks, thus preventing user contact and hardening of the ink.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the UV ink is stored in a transparent or light-permeable container, then the container material and design freedom are enhanced, but the UV ink hardens prematurely due to light exposure
Solution Approach 1:
The container is divided into two distinct layers: an inner container made of transparent or light-permeable material for storing UV ink, and an outer container made of light-shielding material. This segmentation allows each layer to perform its specialized function - the inner container provides design freedom and visibility, while the outer container prevents light exposure and premature hardening.
Solution Approach 2:
The inner container is nested within the outer container, with the inner container holding the UV ink and the outer container providing light shielding. This nested structure enables the transparent inner container to maintain its optical properties for design freedom while the opaque outer container protects against light exposure.
2Reliability
If the outer bag is sealed completely, then light shielding is improved, but the bag is damaged during opening process
Solution Approach 1:
The sealing structure is segmented into two stages: the inner bag is sealed to protect the UV ink, while the outer bag remains partially open or has a tear-resistant opening mechanism. This allows the light-shielding outer bag to maintain its protective function while enabling safe opening without damage.
Solution Approach 2:
The outer bag is designed with prior cushioning features such as tear-resistant materials or pre-scored opening lines that allow controlled opening. This prevents accidental damage during the opening process while maintaining complete light shielding when closed.
3Difficulty of detecting and measuring
If the inner bag is made transparent for visibility, then leak detection is improved, but UV light passes through causing hardening
Solution Approach 1:
The container system is segmented into two functional layers: the inner transparent bag enables visual inspection for leaks, while the outer opaque bag blocks UV light. This segmentation resolves the contradiction by assigning different optical properties to different layers based on their specific functions.
Solution Approach 2:
The transparent inner bag is nested within the opaque outer bag, creating a layered structure where the inner bag's transparency enables leak detection while the outer bag's opacity prevents UV light transmission and hardening.
4Loss of substance
If miniaturization is pursued, then resource saving is improved, but manufacturing complexity increases
Solution Approach 1:
The inner and outer containers are designed to be combined in a single packaging process, where the inner container is placed within the outer container and both are sealed together. This merging approach enables miniaturization and resource efficiency while maintaining manufacturing simplicity through integrated packaging.
Solution Approach 2:
The nested structure of the inner container within the outer container enables compact miniaturization of the overall package, reducing material usage and improving resource efficiency while maintaining ease of manufacture through a straightforward nested assembly process.
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 design effectively shields the ink from UV and visible light, preventing premature hardening and ensuring user safety by allowing easy opening and closure of the bags, while enhancing design freedom and material quality without compromising light shielding properties.
Implementation Method 1
the second bag is configured to block the ultraviolet light and the visible light
Implementation Method 2
the supply member is configure to block the ultraviolet light and the visible light
Implementation Method 3
the housing...is configured to block the ultraviolet light and the visible light
Data Source
Figure 1
Figure 2A~2C
Figure 3
AI summary
The liquid containing body includes a flexible member configured to contain liquid which is hardened by irradiation of ultraviolet light, a supply member that is connected to the flexible member and includes a supply port configured to supply the liquid to a liquid ejecting device from the flexible member, a first containing body that houses the flexible member and the supply member, and is transparent or translucent to allow the ultraviolet light to pass through, and a second containing body that houses the first containing body and is configured to block the ultraviolet light and visible light.