Cleaning product comprising an inverted container assembly and a viscous cleaning compositon
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Inverted containers for liquid hand dishwashing cleaning products face challenges with leakage and stringing issues due to transient liquid pressure increases and high viscosity, which existing solutions, such as resilient valves and baffles, have not fully addressed, especially when impacted or subjected to temperature changes.
Innovation Solution
A cleaning product with an inverted container assembly and a liquid hand dishwashing cleaning composition featuring a surfactant system comprising an anionic surfactant and a primary co-surfactant in a specific weight ratio (8:1 to 1:1), which reduces leakage and stringing by lowering shear viscosity and enhancing the composition's elasticity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a resilient valve is incorporated into the opening to prevent leakage, then leakage prevention is improved, but the device complexity increases and leakage may still occur upon impact
Solution Approach 1:
The patent removes the resilient valve component entirely from the container system. Instead of adding a valve mechanism to prevent leakage, the invention formulates the liquid composition itself to inherently prevent leakage through its rheological properties (viscosity and elasticity), thereby eliminating the need for complex mechanical prevention devices while maintaining reliability.
Solution Approach 2:
The patent modifies the physical-chemical parameters of the liquid composition, specifically adjusting viscosity to 50-5000 cP and elasticity modulus to 10-1000 Pa, to create a composition that resists leakage under impact conditions. This parameter-based approach replaces mechanical prevention with material property optimization.
2Reliability
If a baffle is added on top of the resilient valve to reduce leakage, then leakage prevention is improved, but the device complexity increases and leakage upon impact is not completely resolved
Solution Approach 1:
The patent removes both the resilient valve and baffle components, eliminating the complex multi-component mechanical prevention system. The invention relies solely on the formulated liquid composition's rheological properties to prevent leakage, achieving simplicity while maintaining effectiveness.
Solution Approach 2:
The patent uses specific rheological parameter ranges (viscosity: 50-5000 cP, elasticity modulus: 10-1000 Pa) to create a liquid composition that inherently prevents leakage without requiring any mechanical barriers or valves, thereby resolving the contradiction between reliability and device complexity.
3Object-generated harmful factors
If the liquid composition has high viscosity to reduce stringing, then stringing reduction is improved, but leakage upon impact increases
Solution Approach 1:
The patent optimizes the viscosity parameter to a specific range (50-5000 cP) that balances both requirements: high enough to reduce stringing but low enough to prevent excessive leakage upon impact. This precise parameter control resolves the contradiction by finding the optimal middle ground.
Solution Approach 2:
The patent creates a composite liquid composition with specific rheological properties by combining surfactants, co-surfactants, and other ingredients in controlled amounts, achieving a balanced formulation that simultaneously addresses both stringing reduction and leakage prevention through optimized material composition.
4Reliability
If the liquid composition viscosity is lowered to reduce leakage, then leakage prevention is improved, but stringing upon dosing increases
Solution Approach 1:
The patent simultaneously optimizes two critical parameters: viscosity (50-5000 cP) for leakage prevention and elasticity modulus (10-1000 Pa) for stringing reduction. By controlling both parameters within specific ranges, the invention resolves the contradiction between leakage prevention and stringing control.
Solution Approach 2:
The patent formulates a composite liquid composition with specific rheological characteristics achieved through controlled combination of ingredients, creating a material that exhibits both low enough viscosity to prevent leakage and high enough elasticity to reduce stringing, thereby resolving the parameter trade-off.
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 prevents leakage upon impact and stringing after dosing, allowing for easier and more ergonomic dosing, minimizing waste, and maintaining product stability, even with larger container sizes.
Implementation Method 1
The cleaning composition has a shear viscosity of from 50 to 5000 cP... lowering shear viscosity
Implementation Method 2
enhancing the composition's elasticity... substantially reduce/prevent leakage caused by transient liquid pressure increases (e.g., hydraulic hammer pressure)
Data Source
Figure 1A
Figure 1B
Figure 2
AI summary
The invention relates to a cleaning product comprising: an inverted container assembly (10) comprising an inverted container (11) and a liquid dispenser (15) attached to a bottom surface (12) of the inverted container (11), and a viscous cleaning composition contained in the inverted container assembly (10). The present invention also relates to the use of the cleaning product for cleaning dishware.