Wearable Solid Soap Holder with Reversible Wristband Design
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Solution Overview
Problem
Liquid soaps, despite their convenience, come in bulky plastic bottles that contribute to environmental waste, while solid soaps, being less convenient, require better packaging solutions to increase their popularity and reduce environmental impact.
Innovation Solution
A waterproof elastic wristband with a reversible design and soap-retaining prongs that holds a solid soap block, allowing for easy use and disposal, and optionally doubles as a watch or fashion accessory.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If liquid soap is used, then convenience of use is improved, but packaging volume and environmental waste increase
Solution Approach 1:
The device segments the soap usage system into a wearable holder component and a compact solid soap component, separating the soap from bulky liquid packaging. The holder is divided into functional zones: an indentation for soap placement, prongs for retention, and a reversible face for aesthetic/functional purposes.
Solution Approach 2:
The invention extracts the soap from its traditional liquid bottle packaging context and places it into a dedicated wearable holder. This extraction removes the need for bulky liquid soap containers while maintaining convenient access to soap during washing activities.
2Loss of substance
If solid soap is used, then packaging waste is reduced, but convenience of use deteriorates
Solution Approach 1:
The wristband holder serves multiple functions: it secures the solid soap during washing, can be worn on the wrist for portability, and features a reversible face that can display aesthetic patterns or functional elements like a watch. This multi-functionality compensates for the reduced convenience of solid soap.
Solution Approach 2:
The holder incorporates dynamic elements including an elastic band for adjustable wrist fitting and a reversible face that can be flipped between aesthetic and functional orientations. The prongs are positioned to allow easy soap insertion and removal while maintaining secure retention during use.
3Reliability
If a soap holder is designed with retention prongs, then soap securing is improved, but device complexity increases
Solution Approach 1:
The holder applies local quality by concentrating retention features (prongs) only in the specific area where soap contact is needed, rather than making the entire device complex. The prongs are strategically positioned within the indentation to provide effective soap securing with minimal structural intervention.
Solution Approach 2:
The holder utilizes a flexible elastic band construction that can be molded with integrated prong features. This flexible shell approach allows retention elements to be formed as part of the single-piece band structure, reducing overall device complexity while maintaining reliable soap securing through the elastic material's conformability and grip.
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
Enhances the convenience and environmental sustainability of using solid soaps by providing a compact, reusable, and user-friendly soap holder that reduces plastic waste and encourages better hygiene practices.
Implementation Method 1
a waterproof elastic wristband with a reversible design and soap-retaining prongs that holds a solid soap block
Data Source
AI summary
A soap holder 10 comprises a reversible elastic wristband having a dual-sided face 20. A first side of the face 20 has an indentation 30 for receiving a piece of solid soap. A second side of the face is provided with a waterproof watch or other functional device, or a decorative surface. In normal wear, the soap holder 10 is worn on the wrist of a user with the second side facing outwards. When the user wishes to wash, the wristband is reversed so that the first side faces outwards. The face 20 is moved to the palm of the user. A piece of soap is pressed into the indentation 30 and the user is conveniently able to wash themselves.