Strip WC Cleaner With Sinusoidal Phase Boundaries for Adhesion
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Solution Overview
Problem
Existing strip-shaped toilet cleaning products are not aesthetically pleasing and tend to break apart when applied to ceramic surfaces, lacking stability at phase boundaries, which complicates their application and use.
Innovation Solution
A strip-shaped toilet cleaning product with a sinusoidal wave design for the contact surface between phases, combined with an adhesion promoter like polyisobutene succinic acid ester, ensures stability and adherence to ceramic surfaces without a permanent bond, allowing for easy application and effective cleaning.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If a straight-line contact surface is used between extrudate phases, then the manufacturing process is simple, but the phase boundaries break apart when applied to ceramic surfaces
Solution Approach 1:
The contact surface between extrudate phases is designed with a sinusoidal wave contour instead of a straight line. This curvature increases the contact area and distributes mechanical stresses more evenly across the phase boundary, preventing breakage during application to ceramic surfaces while maintaining manufacturing feasibility through extrusion processes.
2Force
If the strip-shaped toilet cleaner is pressed onto ceramic surface, then adhesion is achieved for cleaning effect, but the product breaks apart at phase boundaries
Solution Approach 1:
The sinusoidal wave contour of the contact surface distributes the pressing force applied by users across a larger area and in a more uniform manner. This reduces stress concentration at the phase boundaries, allowing the product to maintain structural integrity while achieving sufficient adhesion to the ceramic surface for effective cleaning.
3Shape
If simple rectangular geometry is used, then manufacturing is easy, but the product is not aesthetically pleasing
Solution Approach 1:
The sinusoidal wave contour can be integrated into the extrusion process using standard manufacturing equipment, adding aesthetic value without significantly increasing manufacturing complexity. The wave pattern is formed during extrusion itself, requiring only minor adjustments to the extrusion tooling while maintaining production efficiency.
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 sinusoidal wave design enhances the stability of phase boundaries, preventing the product from breaking apart during application, ensuring effective cleaning and easy removal, while the adhesion promoter ensures strong yet reversible adhesion to ceramic surfaces.
Implementation Method 1
all phases comprising at least one adhesion promoter at least on the side of the toilet cleaning product to be applied to the toilet bowl
Data Source
Figure 1~2
Figure 3~4
Figure 5
AI summary
Strip-form WC cleaning product (1) for applying to the interior of a toilet bowl and comprising a width (B), a height (H) and a thickness (S), wherein the ratio between the width (B), height (H) and thickness (S) is between 1:1:0.01 and 1:0.1:0.2, and also comprising a first extruded phase (2) and at least a second extruded phase (3), wherein the first phase (2) is different from at least the second phase (3), although all the phases (2, 3, 7) comprise at least one adhesion promoter at least on that side of the WC cleaning product (1) which is to be applied to the toilet bowl, and the first phase (2) and at least the second phase (3) have a contact surface (4) in relation to one another, wherein at least the contour of a contact surface (4, 4a, 4b) along the centre axis (8) is in the form of a sine wave which has an amplitude of A1,o, wherein the ratio of the amplitude to the width (B) A1,0:B is between 1:10 and 1:25 and the period length of the sine wave corresponds to 0.1-1 times the width (B) of the WC cleaner product (1).