Bar Soap Grater With Flake Dispensing to Reduce Soap Scum
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Solution Overview
Problem
Bar soap accumulation leads to unsightly soap scum on bathroom surfaces, making cleaning difficult and contributing to plastic waste from liquid soap bottles, as existing dispensers do not effectively isolate bar soap from surfaces or facilitate easy flaking and dispensing.
Innovation Solution
A soap bar grater apparatus with a grater body containing a bar soap chamber and a dispensing chamber, featuring a grater plate with angled blades and a handle that moves back and forth to shave flakes off the bar soap, which fall into the dispensing chamber, allowing for easy soap flake dispensing and reducing surface contact.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If bar soap is placed directly on bathroom surfaces, then it is easily accessible and simple to use, but it causes accumulation of soap scum and makes cleaning difficult
Solution Approach 1:
The device segments the soap bar into flakes through a grating mechanism. The grater plate with cutting edges shaves off small flakes from the main soap bar, allowing controlled dispensing while the main bar remains isolated in the chamber, preventing direct contact with surfaces and subsequent scum accumulation.
Solution Approach 2:
The grater plate acts as an intermediary between the soap bar and the user. Instead of the user directly handling the soap bar on surfaces, the grater plate transfers controlled flakes to the user's hand, eliminating direct contact between the soap bar and bathroom surfaces.
2Ease of operation
If liquid soap is used instead of bar soap, then it lathers more easily and cleans surfaces better, but it increases plastic waste from bottles
Solution Approach 1:
The device changes the physical form of soap from solid bars to flaked particles. These flakes have increased surface area and can be easily worked into lather with water, achieving similar ease of lathering to liquid soap while maintaining the environmental benefits of solid soap.
3Object-generated harmful factors
If a grater mechanism is added to isolate and grate soap, then sanitation is improved and surface cleaning is easier, but device complexity increases
Solution Approach 1:
The device merges multiple functions into a single integrated unit: the grater body houses both the bar soap chamber and the flake dispensing chamber, the grater plate serves as both the grating surface and a structural component, and the base provides both support and adhesive mounting capability. This integration minimizes the number of separate parts while achieving sanitation isolation.
Solution Approach 2:
The device is designed for simple manual operation where the user manually grates the soap by moving the grater plate back and forth. The adhesive base self-mounts to surfaces without additional hardware, and the chamber structure self-isolates the soap bar, reducing the need for complex mechanisms.
4Ease of operation
If the grater plate moves back and forth to shave flakes, then soap flake generation is simplified and dispensing is easier, but the mechanism requires more space and structural support
Solution Approach 1:
The grater plate is designed as a movable component that can be manually pushed back and forth within the chamber. This dynamic mechanism allows the grating action to occur within a compact space, as the plate travels along a limited path between the soap bar and the chamber opening, minimizing the volume required for the grating mechanism.
Data Source
AI summary
A bar soap grater body comprises a bar soap chamber positioned over a soap flake dispensing chamber. A grater plate interposed between the bar soap chamber and the soap flake dispensing chamber comprises a handle at an one end and a stop at a second end with a grater surface between the first end and the second end. The grater plate is configured so a bar of soap placed into the bar soap chamber is positioned in contact against the grater surface. Wherein the handle when pushed in and out of the grater body moves the grater plate back and forth across the bottom surface of the bar of soap to shave flakes off the bar of soap that fall into the soap flake dispensing chamber.