Double-Sided Mop With Semi-Permeable Liquid Control Layer

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Solution Overview

Problem

Existing floor tools lack the ability to efficiently cover large surface areas while maintaining high performance and extended life, especially when adapted for moistened or liquid-carrying applications, with a notable absence of tools that effectively manage liquid distribution across their surfaces.

Innovation Solution

A double-sided mop design featuring an embedded semi-permeable layer that divides the mop into two sections, controlling liquid flow between them to ensure controlled wetting and prevent excessive moisture accumulation, while maintaining low friction and ease of use.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If a traditional single-sided or double-sided flat mop is used, then the mop can be used for cleaning floor surfaces, but the mop cannot effectively manage liquid distribution and provides limited performance over large surface areas

Engineering Contradiction:
Improvecleaning performance over large surface areasVSAvoidliquid distribution control
Core Design Contradiction:
ProductivityVSReliability

Solution Approach 1:

The mop is divided into multiple sections with an embedded semi-permeable layer creating distinct liquid management zones. This segmentation allows different sections to perform different functions (e.g., liquid application vs. drying) simultaneously, improving overall productivity and liquid distribution control.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

A semi-permeable layer is introduced as an intermediary between the front and reverse sections of the mop. This layer selectively allows liquid passage while maintaining controlled distribution, resolving the contradiction between productivity and liquid management reliability.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Adaptability or versatility

If the mop is adapted for moistened or liquid-carrying applications, then the mop can apply fluid to floor surfaces, but excessive moisture accumulation occurs and sections dry prematurely

Engineering Contradiction:
Improveliquid-carrying capabilityVSAvoidmoisture distribution stability
Core Design Contradiction:
Adaptability or versatilityVSStability of the object's composition

Solution Approach 1:

Different sections of the mop are given different liquid management properties through the embedded semi-permeable layer. The front section can be optimized for liquid application while the reverse section maintains stability, allowing each zone to perform its specific function optimally without premature drying or excessive accumulation.

Inventive Principle:
Principle #3Local quality

Solution Approach 2:

The semi-permeable layer uses porous material properties to control liquid flow between sections. This allows the mop to maintain adaptability for liquid-carrying applications while ensuring stable moisture distribution through selective permeability that prevents both excessive accumulation and premature drying.

Inventive Principle:
Principle #31Porous materials

3Reliability

If the mop uses pockets, tabs, or hook and loop fastener material to attach to the mop head, then the mop can be securely attached, but the friction increases and ease of use decreases

Engineering Contradiction:
Improveattachment securityVSAvoidease of use
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The traditional attachment mechanisms (pockets, tabs, hook and loop fasteners) are removed from the design. Instead, the mop utilizes friction-based engagement through its structural design, eliminating complex attachment components while maintaining secure attachment and improving ease of use.

Inventive Principle:
Principle #2Taking out (Extraction)

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 double-sided mop achieves equal or greater cleaning ability compared to single-sided mops, with even mopping coverage and reduced friction, allowing for efficient cleaning and fluid application over large areas without premature drying of sections.

Implementation Method 1

an embedded semi-permeable layer that limits liquid transfer from a first side of the mop to a second side of the mop

Methodology Applied
Scientific EffectPermeability: Permeation

Data Source

PatentUS9307883B2Double-sided mop
Publication Date: 2016.04.12 DIVERSEY INC
  • US9307883B2 patent drawing
  • US9307883B2 patent drawing
  • US9307883B2 patent drawing

AI summary

A mop includes a first section having a first side, a second section having a second side, and an embedded, semi-permeable layer disposed between the first and second sections to manage an amount of liquid flowing from the first side to the second side.