Fluffed Multilayer Cleaning Wipes for Textured Floor Valleys
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Solution Overview
Problem
Conventional disposable and washable floor cleaning wipes often fail to effectively clean surfaces with varied textures due to their flat, two-dimensional design, leaving detritus in the valleys of surface textures.
Innovation Solution
The development of multilayer cleaning wipes with a first and second nonwoven extending along a longitudinal axis, where more than 10% of the second nonwoven strips are bent out of plane, creating a fluffier, three-dimensional structure that can better conform to irregular floor surfaces, enhancing cleaning efficacy.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional flat laminate cleaning wipes are used, then the structure is simple and easy to manufacture, but the cleaning efficacy on textured floor surfaces is insufficient
Solution Approach 1:
The patent transitions from a two-dimensional flat laminate structure to a three-dimensional structure by incorporating fluffed nonwoven layers with compressed and expanded regions. This dimensional change allows the cleaning wipe to conform to textured floor surfaces, improving cleaning efficacy in valleys and crevices while maintaining manufacturability through controlled compression and expansion processes.
Solution Approach 2:
The patent applies parameter changes by controlling the compression and expansion of nonwoven layers to create varying densities and fluffiness. The degree of compression and subsequent expansion is adjusted to optimize the balance between structural simplicity for manufacturing and three-dimensional conformability for enhanced cleaning performance on textured surfaces.
2Adaptability or versatility
If the cleaning wipe structure is made simpler, then manufacturing is easier, but the ability to conform to irregular floor surfaces is reduced
Solution Approach 1:
The patent applies preliminary action by pre-compressing the nonwoven layers during manufacturing to create a controlled fluffed structure. This pre-compression followed by partial expansion creates the desired three-dimensional conformability before the product reaches the consumer, eliminating the need for complex post-manufacturing adjustments while maintaining ease of manufacture.
Solution Approach 2:
The patent uses parameter changes in the compression ratio and expansion degree to optimize the balance between conformability and manufacturing simplicity. By adjusting these parameters, the wipe achieves adequate three-dimensional adaptability to irregular surfaces while maintaining a manufacturing process that does not require excessive complexity.
3Reliability
If multilayer fluffed structure is implemented, then cleaning performance on textured surfaces improves, but the manufacturing process becomes more complex
Solution Approach 1:
The patent optimizes cleaning performance by controlling the fluffiness and layer composition parameters. The degree of fluffing, layer thickness, and material selection are adjusted to achieve effective cleaning on textured surfaces while keeping the manufacturing process manageable through standardized compression and lamination techniques rather than overly complex multi-step procedures.
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 fluffed structure of the cleaning wipes allows for improved contact with floor surfaces, effectively removing dirt and liquids from various textures, ensuring a more thorough cleaning compared to traditional flat wipes.
Implementation Method 1
more than about 10% by number of the second nonwoven strips are bent so that the second nonwoven free ends are out of plane relative to the second nonwoven fixed ends
Data Source
AI summary
A product including a previously unopened closed container and a plurality of cleaning wipes contained in the container. The cleaning wipes include a first nonwoven having a plurality of first nonwoven strips and a second nonwoven having a plurality of second nonwoven strips. More than about 10% of the second nonwoven strips are bent so that the free ends of the second nonwoven strips are bent out of plane relative to the fixed ends of the second nonwoven strips.