Integrated Scraper-Sponge Structure for Solidified Residue Removal
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Solution Overview
Problem
Conventional sponges are inadequate for removing solidified dirt and food particles from surfaces, as simple wiping does not effectively remove these contaminants.
Innovation Solution
An integrated scraper-sponge design combining a first sponge layer with a second scrub or abrasive layer, featuring a scraper edge and support structure with apertures, allowing for effective removal of contaminants by incorporating a flexible plastic scraper body between cellulose or foam sponge and a nylon scrub pad, with the scraper extending out for various surface contours.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a simple sponge is used for cleaning, then the device is simple and easy to use, but it cannot effectively remove solidified contaminants such as dried food particles
Solution Approach 1:
The patent combines multiple cleaning functions (sponge absorption, scrubbing, and scraping) into a single integrated cleaning tool. The scraper layer with protruding scraper edges is embedded within the sponge structure, allowing the user to perform scraping and wiping actions with one tool rather than requiring separate implements, thus maintaining ease of operation while significantly improving cleaning effectiveness for solidified contaminants
Solution Approach 2:
The cleaning device is designed to perform multiple functions: the sponge layers provide absorption and gentle cleaning, the scrub layer provides mechanical abrasion for stuck-on residue, and the scraper layer with protruding edges provides scraping capability for solidified contaminants. This multi-functional design allows a single tool to handle various cleaning scenarios that would otherwise require multiple specialized tools
2Productivity
If a scraper layer is added to the sponge structure, then contaminant removal capability is improved, but device complexity increases
Solution Approach 1:
The scraper layer is embedded within the sponge structure, with the scraper layer positioned between the first and second sponge layers. The protruding scraper edges extend through the sponge layers, creating a nested configuration where the scraping function is integrated within the sponge body rather than being a separate attached component, thus improving contaminant removal while minimizing structural complexity
Solution Approach 2:
The scraper layer is positioned specifically at the interface between the two sponge layers, with protruding scraper edges localized at the cleaning surface. This localized placement concentrates the scraping functionality exactly where it is needed for removing contaminants from surfaces, while the rest of the sponge structure maintains its simple absorbent and scrubbing functions
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 integrated scraper-sponge efficiently removes solidified contaminants, such as dried food particles and paints, by providing a flexible and adaptable scraping mechanism that can conform to different surfaces, enhancing cleaning efficiency and structural integrity through adhesion and flexibility.
Implementation Method 1
Sponges provide a suitable medium for holding various types of soaps which are used to efficiently remove dirt, leftover food particles, oil, grease, and other contaminants from a surface
Implementation Method 2
a second sponge or scrub layer of absorbent material or abrasive material
Implementation Method 3
a second sponge or scrub layer of absorbent material or abrasive material
Data Source
AI summary
Methods of using an integrated scraper-sponge having a scraper layer with and edge and fixed between the first and second sponge and/or abrasive layers. The scraper sponge is wetted and applied to a surface that is contaminated. The scraper-sponge is moved about the contaminated surface or dabbed onto the surface. The wet sponge portion loosens residue while the scraper edge scrapes residue from the surface as the scraper is moved about the contaminated surface.