Shaving Kit with Integrated Aid Retention Guard
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Solution Overview
Problem
Conventional shaving methods require excessive application and waste of shaving aid, pose challenges for travelers due to carry-on restrictions and weight, and are messy and inconvenient, especially in situations lacking access to water or modern facilities.
Innovation Solution
A shaving system with a shaving tray and cartridge that integrates a container for shaving aid and a shaving aid retention guard, allowing for efficient application and reuse of shaving aid, reducing waste and weight, and accommodating travel and water scarcity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If a conventional wet shaving razor and can/tube of shaving aid are used, then a close smooth shave can be achieved, but excessive shaving aid is applied and wasted, requiring more product purchase and creating messiness
Solution Approach 1:
The shaving aid is applied automatically by the cartridge mechanism itself through the guard member, eliminating the need for manual application by the user. The cartridge serves both as the razor carrier and the shaving aid dispenser, making the system self-sufficient and preventing over-application.
Solution Approach 2:
The disposable cartridge is designed to be discarded after a single use, with the shaving aid contained within it. This eliminates the need to discard large containers of shaving aid after each use, reducing waste while maintaining shave quality.
2Adaptability or versatility
If a can or tube of shaving aid is carried for travel, then shaving can be performed, but the container adds extra weight and volume that can be used for other toiletries
Solution Approach 1:
The shaving system is segmented into a disposable cartridge containing shaving aid and a reusable razor handle. For travel, only the lightweight cartridge is needed, eliminating the need to carry heavy containers of shaving aid. The cartridge can be easily stored in luggage without occupying significant space.
Solution Approach 2:
The disposable cartridge is designed to be inexpensive and lightweight, perfect for travel. After use, it is discarded with the razor, eliminating the need to carry back large containers of shaving aid. This disposable approach reduces travel weight significantly compared to carrying reusable containers.
3Ease of operation
If shaving aid is applied manually with hands, then the shaving process can be performed, but the process is messy and produces an extensive amount of wasted shaving aid requiring hand washing
Solution Approach 1:
The cartridge mechanism automatically applies shaving aid through the guard member without requiring manual intervention. The system serves itself by dispensing the exact amount of shaving aid needed, eliminating messiness and the need for hand washing while preventing waste.
Solution Approach 2:
The guard member acts as an intermediary between the shaving aid container and the skin. It controls and regulates the application of shaving aid, ensuring only the necessary amount is applied to the shaving area, thereby preventing waste and reducing messiness.
4Ease of manufacture
If a disposable razor is used, then the razor can be easily replaced, but the shaving aid container must also be replaced or emptied, creating additional waste and cost
Solution Approach 1:
The disposable razor and shaving aid container are merged into a single integrated cartridge unit. This allows both components to be disposed of together after one use, simplifying the replacement process and eliminating the waste associated with separate container disposal. The combined design ensures shaving aid is used efficiently with the razor.
Data Source
Figure 1
Figure 2
Figure 3A
AI summary
A safety razor is provided having a handle, a cartridge mounted to the handle and a pair of primary guards joined to the cartridge, each of the primary guards having a plurality fins that define a plurality of fin slots. The safety razor also includes one or more primary shaving blades mounted to the cartridge and positioned adjacent the pair of primary guards. A shaving aid retention guard is positioned between the pair of primary guards. The shaving aid retention guard has a plurality of walls defining a plurality of guard slots, wherein a width of the guard slots is greater than the width of the fin slots.