Treatment Head Shielding Section Prevents Mold in Valve Fastening
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Solution Overview
Problem
Mold formation occurs in valve arrangements of large-volume containers due to intricate structures that trap product residues, making cleaning difficult and leading to spoilage during storage.
Innovation Solution
A treatment head with a shielding section that prevents fluid ingress into the fastening region of the valve arrangement, using a seal and sheath-like configuration to create a fluid-tight barrier, inhibiting mold growth by isolating the fastening region from cleaning or product fluids.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If a valve arrangement with intricate fastening structures is used, then the valve can be securely fastened to the container, but mold forms due to product residues trapped in openings and gaps
Solution Approach 1:
The treatment head is divided into functionally separate sections: a treatment section for product filling and a fastening section for securing the valve. A shielding section physically separates these areas, preventing product from contaminating the fastening region while maintaining secure valve attachment
Solution Approach 2:
A shielding section acts as an intermediary barrier between the product-containing treatment section and the fastening section. This intermediate structure prevents direct contact between product and fastening components, eliminating mold formation while preserving fastening integrity
2Reliability
If intensive rinsing operations are applied to clean the valve arrangement, then product residues are removed, but the intricate structures still trap residues and require complex cleaning methods
Solution Approach 1:
The shielding section extracts or removes the fastening components from the product-exposed treatment section. By physically separating the fastening region from product contact areas, the design eliminates the need for complex cleaning operations in intricate fastening structures
Solution Approach 2:
The shielding section is pre-positioned to prevent product from entering the fastening section during filling operations. This preliminary protective action prevents residue accumulation before cleaning is required, simplifying subsequent maintenance
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
Effectively prevents mold formation by maintaining a fluid-tight seal around the fastening region, ensuring thorough cleaning and reducing residue accumulation, thereby enhancing container hygiene during storage.
Implementation Method 1
The treatment head (1) comprises a seal (7) configured to bear against an external valve part (2.5)
Implementation Method 2
The treatment head (1) comprises a shielding section (8) configured so as to shield at least a fastening section (14) of the valve arrangement (2) from the fluid that is carried in the first fluid-duct (5)
Data Source
AI summary
A treatment head for filling a container that has a valve arrangement having an external valve-part and a fastening region includes a housing, a plunger, first and second fluid-ducts, a seal, and a shielding section. The plunger is held so as to be displaced for opening said valve arrangement. The first fluid-duct feeds liquid into said container, and the second fluid-duct provides a path for discharging fluid from said container. The seal bears against the external valve-part. The shielding section shields at least the fastening region from fluid carried in the first fluid-duct.