Segmented Cover Assembly for Chemical Container Leakage Control
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Solution Overview
Problem
Glass bottles used in semiconductor manufacturing are prone to breakage, leading to chemical leakage and contamination, and while plastic containers are substituted to address safety concerns, they fail to maintain chemical purity due to elution issues.
Innovation Solution
A cover assembly with two or more separate layers is designed to minimize chemical leakage from glass bottles by using a binding member and handle system, incorporating materials like polyethylene and polystyrene, which can be detached and reattached to prevent damage during handling and movement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If glass bottles are used to maintain chemical purity, then chemical purity is improved, but safety against breakage and chemical leakage deteriorates
Solution Approach 1:
The protective cover is divided into multiple layers (first cover member, second cover member, and intermediate cover member) that can be separately assembled and disassembled. This segmentation allows the cover to provide comprehensive protection while enabling easy removal for chemical dispensing operations.
Solution Approach 2:
The patent introduces a protective cover assembly as an intermediary component between the glass bottle and the external environment. This cover acts as a mediator that prevents direct contact between chemicals and the external environment, thereby preventing leakage and contamination while allowing controlled access when needed.
2Object-affected harmful factors
If plastic containers are used to improve safety against breakage, then safety is improved, but chemical purity deteriorates due to elution
Solution Approach 1:
The protective cover is constructed using composite materials including polyethylene and polystyrene, which are selected for their chemical resistance properties. This composite structure provides both safety and chemical purity by using materials that do not elute into the chemical solution while maintaining impact resistance.
Solution Approach 2:
The protective cover is designed as a disposable component that is discarded after use. This approach eliminates the need for cleaning and sterilization, ensuring that no contamination occurs from previous uses, while the low cost allows for frequent replacement to maintain safety and purity.
3Object-affected harmful factors
If a protective cover is added to prevent chemical leakage, then safety against leakage is improved, but device complexity increases
Solution Approach 1:
The cover assembly is segmented into multiple independent members (first cover member, second cover member, intermediate cover member) that can be assembled and disassembled separately. This segmentation simplifies the overall design by allowing each component to be optimized independently and facilitates easy maintenance and replacement.
Solution Approach 2:
The cover assembly incorporates dynamic elements including detachable handles and movable components that can be easily attached and removed. This dynamic design allows the cover to transition between protected and accessible states, simplifying operations while maintaining protection when needed.
4Ease of operation
If the protective cover is made detachable for ease of operation, then ease of operation is improved, but reliability of protection deteriorates
Solution Approach 1:
The handle is extracted as a separate detachable component from the main cover structure. This extraction allows the handle to be easily attached and removed without affecting the integrity of the cover assembly itself, maintaining protection reliability while improving operational ease.
Solution Approach 2:
The cover members are pre-assembled in a configured state before use, with all connection points and sealing mechanisms already in place. This preliminary assembly ensures that when the cover is installed, it provides immediate reliable protection without requiring complex assembly operations during use.
Data Source
AI summary
A cover assembly for protecting a chemical container according to the present disclosure includes: a first cover member encompassing a part of an inner container; a second cover member encompassing the other part of the inner container; and a binding member for connecting the first cover member and the second cover member, wherein the binding member includes a binding body formed at any one of the first cover member and the second cover member and coupled to the other.The cover assembly for protecting a chemical container, which is the present invention, is configured such that the outside of a glass bottle accommodating a chemical is formed with a protection member capable of being separated into two or more layers, thereby suppressing a negative influence on the surroundings thereof by minimizing leakage of the solution to the outside even if the glass bottle is broken by an impact when a worker handles or moves the glass bottle.