Melamine Foam Sponge with Holding Layer to Prevent Crumbling

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Solution Overview

Problem

Melamine foam sponges used for cleaning hard surfaces tend to break down quickly, leading to a short lifespan and difficulty in maintaining effective stain and mark removal without damaging the surface.

Innovation Solution

A melamine foam sponge cleaning device with a holding layer secured to its rear side to prevent movement and a pre-moistened version for improved durability and effectiveness, packaged in an air-tight re-sealable container for convenience.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If melamine foam sponge is used in dry form for cleaning, then it effectively removes stains and marks through physical abrasion, but it breaks down quickly resulting in short lifespan and difficulty in holding

Engineering Contradiction:

Improvestain removal effectivenessVSAvoidsponge lifespan

Core Design Contradiction:

ReliabilityVSDuration of action of moving object

Solution Approach 1:

The sponge is pre-moistened with water before use, which softens the melamine foam structure in advance. This preliminary hydration reduces the aggressiveness of the foam during cleaning, preventing rapid breakdown while maintaining effective stain removal capability.

Inventive Principle:

Principle #10Preliminary action

Solution Approach 2:

The patent changes the physical state of the melamine foam from dry to hydrated by introducing water. This parameter change transforms the foam's mechanical properties, making it more compliant and less prone to breaking apart during use, thereby extending its lifespan.

Inventive Principle:

Principle #35Parameter changes

2Object-affected harmful factors

If melamine foam sponge is hydrated before use, then small particles break off to gently abrade the surface without significant damage, but the sponge structure becomes less stable and harder to hold

Engineering Contradiction:

Improvesurface damageVSAvoidholding ease

Core Design Contradiction:

Object-affected harmful factorsVSEase of operation

Solution Approach 1:

A holding layer is applied to the rear side of the melamine foam sponge. This thin film layer provides structural support and improves handleability without interfering with the front side's cleaning function. The holding layer compensates for the reduced structural stability caused by hydration.

Inventive Principle:

Principle #30Flexible shells and thin films

3Productivity

If melamine foam sponge is used repeatedly, then it maintains cleaning effectiveness, but it crumbles and breaks apart making it difficult to continue using

Engineering Contradiction:

Improvereusable cleaning cyclesVSAvoidstructural integrity

Core Design Contradiction:

ProductivityVSStability of the object's composition

Solution Approach 1:

The sponge is pre-moistened and the holding layer is pre-applied before first use. This preliminary preparation ensures the sponge maintains its structural integrity throughout multiple cleaning cycles, preventing crumbling and extending the number of usable times.

Inventive Principle:

Principle #10Preliminary action

Solution Approach 2:

The invention creates a composite structure by combining the melamine foam sponge with a holding layer. This composite construction integrates the cleaning functionality of the foam with the structural stability of the holding layer, resulting in a product that maintains both effectiveness and integrity over repeated use.

Inventive Principle:

Principle #40Composite materials

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 extends the life of the melamine foam sponge by preventing crumbling and allows for gentle, effective removal of stains and marks without surface damage, with the pre-moistened version ensuring consistent performance.

Implementation Method 1

When used in a dry form, the melamine foam physically abrades the stained or marked hard surface to remove the stain or mark from the hard surface

Methodology Applied

Scientific EffectPhysical abrasion: Abrasion

Implementation Method 2

When hydrated prior to use, it is believed that the melamine foam sponge is physically degraded and small particles break off and abrade the hard surface to remove the stains or marks

Methodology Applied

Scientific EffectPhysical degradation:

Implementation Method 3

a holding layer secured to the rear side of the body of melamine foam sponge to prevent relative movement therebetween

Methodology Applied

Scientific EffectAdhesion: Adhesive

Data Source

PatentUS11510546B2Melamine foam sponge cleaning devices

Publication Date: 2022.11.29 FTI BRANDS LLC

AI summary

A cleaning device for removing marks from a surface includes a body of melamine foam sponge having a front side and a rear side opposed to the front side, and a holding layer secured to the rear side of the body of melamine foam sponge to prevent relative movement therebetween. The holding layer is preferably a cloth and more preferably natural or synthetic chamois which can be used to wipe and/or buff the surface after rubbing the body of melamine foam sponge on the surface to remove at least one surface mark. The body of melamine foam sponge can be pre-moistened with a liquid such as a disinfecting solution.