Cleaning item with an absorbent base material
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Solution Overview
Problem
Existing cleaning articles fail to provide an effective abrasive action against adhering dirt while maintaining sufficient absorption and handling properties, particularly in household and surface cleaning applications.
Innovation Solution
A cleaning article with a coating comprising thin, fine coating lines having a specific ratio of width to height, applied using methods like gravure printing, which provides enhanced abrasion without slipping and maintains absorption capabilities through a balanced distribution of coating lines and uncoated areas.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Force
If a coating is applied to increase frictional force for better abrasion, then abrasive effect is improved, but absorption capability deteriorates
Solution Approach 1:
The coating is segmented into discrete coating lines rather than a continuous areal coating. This segmentation allows the coating to provide frictional force at specific locations while leaving gaps between lines that preserve the absorbent base material's capability to absorb cleaning agents and dissolved dirt, thus resolving the contradiction between abrasive effect and absorption capability.
Solution Approach 2:
Different regions of the cleaning article have different properties: coating lines provide high friction for abrasion, while uncoated areas maintain absorption capability. This local differentiation of properties allows both functions to coexist in the same cleaning article without compromising either performance.
2Force
If broader coating lines or areal patterns are used to enhance abrasion, then abrasive effect is improved, but handling performance deteriorates due to slipping
Solution Approach 1:
The coating is divided into narrow discrete lines rather than broad continuous areas. This segmentation creates multiple small contact points that collectively provide strong abrasive action while maintaining good handling performance by preventing the coating from slipping over soiling, as each narrow line maintains sufficient contact pressure.
3Force
If coating height is increased to improve abrasion, then abrasive effect is improved, but product sticking increases
Solution Approach 1:
The coating parameters are optimized with specific constraints: coating line width of 0.2 to 1.5 mm, coating line height of at most 0.8 mm, and a width-to-height ratio of at least 2. These parameter changes ensure the coating provides sufficient abrasive effect through its frictional force while the limited height prevents the coating from sticking unpleasantly during use.
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 achieves a superior abrasive effect with improved handling and absorption, reducing the risk of the product sticking and enhancing cleaning efficiency with less effort, while maintaining the base material's properties.
Implementation Method 1
a coating being provided on at least the first side surface, which gives the first side surface of the cleaning article an increased frictional force compared to the uncoated first side surface
Implementation Method 2
cleaning articles for cleaning surfaces... with an absorbent base material... providing good, sufficient absorption options for the components to be removed
Data Source
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AI summary
The invention relates to a cleaning article (100) with an absorbent base material formed by a flat material, with a first (102) and a second side surface, wherein a coating (112) is provided on at least the first side surface (102) which gives the first side surface (102) of the cleaning article (100) an increased frictional force compared to an uncoated first side surface (102), characterized in that the coating (112) comprises a plurality of coating lines (114) and wherein the coating lines have a ratio of coating line width to coating line height of at least 2 and the coating line width is 0.2-1.5 mm and the coating line height is at most 0.8 mm.