Flexible Multi-Ridge Wiper Design for Hard-to-Reach Cleaning

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Solution Overview

Problem

Existing cleaning devices are inadequate for effectively reaching and cleaning difficult-to-access locations, such as the inside of food and beverage dispensing equipment, due to limited flexibility and cleaning surface capabilities.

Innovation Solution

A cleaning device with a handle and a wiper featuring a flexible region and multiple ridges that allow for resilient elongation, compression, and flexion, combined with a cleaning cloth, enables effective cleaning of hard-to-reach areas by providing multiple cleaning edges and secure attachment to the handle, utilizing materials like silicone and thermoplastic elastomers for enhanced flexibility.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If a cleaning device uses a rigid structure, then it provides structural strength and stability, but it cannot flex to reach difficult-to-access locations

Engineering Contradiction:
Improveability to reach difficult-to-access locationsVSAvoidstructural strength
Core Design Contradiction:
Adaptability or versatilityVSStrength

Solution Approach 1:

The wiper is divided into multiple segments including a head portion, a body portion with multiple ridges, and a flexible region. This segmentation allows each portion to perform specific functions while the flexible region enables the wiper to bend and reach difficult-to-access locations without compromising the structural integrity of the cleaning surfaces.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The wiper incorporates a flexible region made of elastomeric material that allows the wiper to bend and flex. This flexible portion enables the cleaning device to adapt to complex geometries and reach into tight spaces while the rigid ridged portions maintain structural strength for effective cleaning.

Inventive Principle:
Principle #30Flexible shells and thin films

2Productivity

If a wiper has a simple single-surface design, then it is easier to manufacture, but it cannot clean both internal and external surfaces effectively

Engineering Contradiction:
Improvecleaning efficiencyVSAvoidwiper structure complexity
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The wiper features ridges with different surface characteristics at different locations - the external surface has ridges for cleaning outer surfaces, while the internal cavity has ridges for cleaning inner surfaces. This local differentiation allows the single wiper component to effectively clean both internal and external surfaces of equipment.

Inventive Principle:
Principle #3Local quality

Solution Approach 2:

The wiper is designed as a multi-functional component that can clean both external and internal surfaces. The body portion with ridges on the external surface and the internal cavity with ridges on the inner surface allow one wiper to perform multiple cleaning functions, increasing productivity without requiring multiple separate cleaning tools.

Inventive Principle:
Principle #6Universality (Multi-functionality)

3Adaptability or versatility

If a wiper is made from a single rigid material, then it maintains structural integrity, but it cannot resiliently elongate or compress to fit tight spaces

Engineering Contradiction:
Improveability to elongate and compressVSAvoidmaterial structural integrity
Core Design Contradiction:
Adaptability or versatilityVSStability of the object's composition

Solution Approach 1:

The wiper is constructed from elastomeric material with specific durometer ranges (Shore A 20-100) that provide the necessary balance between flexibility and structural integrity. The material properties are selected to allow resilient elongation and compression while maintaining the structural integrity needed for effective cleaning surfaces.

Inventive Principle:
Principle #35Parameter changes

Solution Approach 2:

The wiper combines elastomeric material properties to achieve both flexibility and structural integrity. The elastomeric composition allows the wiper to resiliently deform to fit tight spaces while maintaining the rigid enough structure to provide effective cleaning surfaces through the ridges.

Inventive Principle:
Principle #40Composite materials

4Adaptability or versatility

If a wiper is made as a single unitary piece, then it is easier to manufacture, but it cannot provide both flexibility and multiple cleaning surfaces

Engineering Contradiction:
Improveflexibility with multiple cleaning surfacesVSAvoidmolding complexity
Core Design Contradiction:
Adaptability or versatilityVSEase of manufacture

Solution Approach 1:

The wiper is designed as a unitary molded piece that is functionally segmented into a head portion, a body portion with ridges, and a flexible region. This functional segmentation within a single molded component allows the wiper to provide both flexibility and multiple cleaning surfaces while maintaining ease of manufacture through single-shot molding processes.

Inventive Principle:
Principle #1Segmentation

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 device effectively cleans both internal and external surfaces of equipment by flexing to fit complex geometries, ensuring thorough cleaning and efficient application of cleaning chemicals, even in tight spaces.

Implementation Method 1

The flexible region allows the wiper to resiliently flex in directions perpendicular to the longitudinal axis of the handle, to resiliently elongate along the longitudinal axis, to resiliently compress along the longitudinal axis

Methodology Applied
Scientific EffectElasticity: Elasticity

Data Source

PatentEP3354181B1Cleaning devices for cleaning of difficult to reach locations
Publication Date: 2022.10.19 UNGER MARKETING INTERNATIONAL LLC
  • EP3354181B1 patent drawingFigure 1
  • EP3354181B1 patent drawingFigure 2~3
  • EP3354181B1 patent drawingFigure 4

AI summary

A cleaning device is provided that includes a handle and a cleaning implement depending from the handle. The cleaning implement has a wiper including a plurality of ridges and a flexible region. The plurality of ridges provide a plurality of cleaning edges to the wiper and the flexible region secures the wiper to the handle.