Contamination-Protected Transfer Device for Flowable Process Materials
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Solution Overview
Problem
Existing transfer devices for contamination-protected transfer of flowable process materials between containers often require cumbersome handling and multiple openings, compromising tightness and ease of operation.
Innovation Solution
A transfer device with a guide tube, tensioners, and a pressing unit that uses a lifting linkage and spring-activated seal to securely fix and manage liner remnants and new liner pieces, allowing for efficient and sealed transfer of process materials between containers.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If multiple tensioners and fastening devices are used to secure liners, then sealing reliability is improved, but device complexity increases
Solution Approach 1:
The patent combines multiple tensioning functions into a single integrated pressing unit that can accommodate and compress multiple liner remnants simultaneously. The pressing unit integrates the sealing function with the tensioning mechanism, eliminating the need for separate fastening devices for each liner remnant. This merging approach maintains reliable sealing while reducing overall device complexity.
Solution Approach 2:
The pressing unit serves multiple functions: it acts as a tensioner for securing liner remnants, a seal for preventing contamination, and a storage location for liner remnants during the transfer process. By making the pressing unit multi-functional, the patent reduces the number of separate components needed, thereby reducing device complexity while maintaining sealing reliability.
2Adaptability or versatility
If liners are frequently handled and rehung during transfer operations, then adaptability is improved, but ease of operation deteriorates
Solution Approach 1:
The pressing unit pre-accommodates and secures multiple liner remnants before the transfer operation begins. By preparing the liner remnants in advance and securing them in the pressing unit, the system eliminates the need for frequent handling and rehung operations during the transfer process. This preliminary action maintains adaptability while significantly improving ease of operation.
Solution Approach 2:
The pressing unit automatically secures and maintains liner remnants in position throughout the transfer process without requiring external intervention for rehung operations. The spring-activated sealing mechanism self-adjusts to maintain proper sealing and positioning, reducing the need for manual handling and improving ease of operation while preserving adaptability.
3Adaptability or versatility
If the system is opened multiple times for liner handling, then adaptability is improved, but tightness deteriorates
Solution Approach 1:
By pre-securing multiple liner remnants in the pressing unit before the transfer operation, the system maintains a closed and tight configuration throughout the process. The preliminary positioning of liners eliminates the need to open the system for repeated liner handling, thereby maintaining tightness while preserving adaptability through the ability to handle different liner types.
Solution Approach 2:
The pressing unit with spring-activated sealing maintains continuous sealing pressure throughout the transfer operation, ensuring the system remains tight without requiring repeated opening and closing. This continuous sealing action preserves both tightness and adaptability by allowing different liner configurations to be maintained in a continuously sealed environment.
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 device ensures improved tightness and ease of operation by minimizing the need for repeated handling and maintaining a sealed environment during the transfer process, effectively preventing contamination of sensitive materials.
Implementation Method 1
A base part of the pressing unit is firmly connected to the lifting linkage, and a pressing part, on which the seal is arranged, is elastically supported on the base part by means of a spring
Data Source
AI summary
A transfer device is designed for contamination-protected transfer of flowable process material between a first container and a second container. The transfer device includes a guide tube having an axial passage for the flow of the process material, which has a connection at one end and terminates with a tube edge at the other end. A transfer unit opens into the guide tube, which allows engagement with the guide tube. A tubular liner supply having a plurality of peelable useful sections, each provided with a first crimp, is stored on the transfer unit. The useful sections can be used to isolate liner remnants from previous transfer operations for disposal. A first tensioner and a second tensioner are arranged circularly on the guide tube and concentrically to each other, which serve for temporary sealed fixing of residual ends and open ends of new liner pieces originating from inner liners from the second containers.