Cleaning sponge roller
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Solution Overview
Problem
Conventional cleaning sponge rollers with cores having fixed small holes for water permeation suffer from uneven water distribution, leading to potential wafer contamination and incomplete cleaning due to variations in permeation volume and chemical solution concentration.
Innovation Solution
A cleaning sponge roller featuring a cylindrical sponge body integrated with a porous sintered compact core having continuous pores, which allows for more even and dense permeation channels, reducing variations in water volume and enhancing the uniformity of cleaning liquid distribution.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If a core with fixed small holes is used for cleaning sponge roller, then the structure is simple and easy to manufacture, but the water distribution becomes uneven and permeation volume varies
Solution Approach 1:
The core is constructed from porous sintered material (such as sintered metal or ceramic) with controlled pore size and distribution. This porous structure enables uniform water permeation throughout the core volume, eliminating the uneven water distribution and permeation volume variations that occur with fixed small holes, while maintaining manufacturing feasibility through sintering processes.
Solution Approach 2:
The invention uses composite construction by integrating the porous sintered core material with the sponge roller matrix. This composite approach combines the structural integrity of sintered material with the cleaning functionality of the sponge, achieving both manufacturing simplicity and improved water distribution uniformity.
2Reliability
If multiple small holes are provided in the core, then cleaning liquid can be supplied to the sponge body, but variations in permeation volume cause inconsistent cleaning performance
Solution Approach 1:
The porous sintered core material provides a distributed network of pores that uniformly conduct cleaning liquid throughout the sponge body. This eliminates the permeation volume variations associated with discrete holes, ensuring consistent cleaning performance across the entire sponge surface through reliable and uniform liquid distribution.
Solution Approach 2:
The porous structure creates homogeneous water distribution throughout the core and sponge assembly. The uniform pore distribution ensures that cleaning liquid permeates evenly across all areas, eliminating the heterogeneity in permeation volume that leads to inconsistent cleaning performance.
3Object-affected harmful factors
If cleaning liquid is supplied through fixed holes in the core, then the supply path is clear and simple, but uneven water distribution leads to potential wafer contamination
Solution Approach 1:
The porous sintered core material eliminates dead zones and stagnant areas that occur with fixed holes, providing continuous and uniform water distribution across the entire sponge surface. This uniform permeation prevents localized contamination issues and ensures consistent cleaning coverage, eliminating the harmful effect of wafer contamination.
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 solution effectively reduces permeation variations, ensuring consistent cleaning performance and preventing wafer contamination by evenly distributing cleaning liquids across the surface, thereby improving the cleaning process.
Implementation Method 1
The core is formed of a porous sintered compact having continuous pores
Implementation Method 2
allows for more even and dense permeation channels, reducing variations in water volume
Data Source
AI summary
A cleaning sponge roller includes a cylindrical sponge body and a shaft-shaped core. The sponge body is formed of a porous material having continuous pores and having elasticity in a wet state. The core is inserted through an inner diameter portion of the sponge body and fixedly supports an inner circumferential surface of the sponge body. The core is formed of a porous sintered compact having continuous pores.