Amorphous Shaving Foil Aperture Network
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Solution Overview
Problem
Conventional shaving foils with geometrically arranged apertures fail to effectively accommodate hairs growing in different directions and sizes, leading to inconsistent shaving performance.
Innovation Solution
A shaving foil with an amorphous arrangement of hair-entrance apertures, where the apertures are randomly or pseudo-randomly distributed in size, shape, and orientation, forming a network of interconnected surface members to ensure a consistent and effective shaving experience.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If geometric patterns of apertures are used in the foil, then the manufacturing process is simplified and consistent, but the shaving performance becomes inconsistent for hairs growing in different directions and sizes
Solution Approach 1:
The patent applies asymmetry by transitioning from symmetric geometric patterns (circles, squares, hexagons) to an asymmetric amorphous arrangement of apertures. This amorphous pattern lacks repeating symmetry and is designed to accommodate hairs growing in various directions and sizes, thereby resolving the contradiction between manufacturing simplicity and adaptability to diverse hair orientations.
Solution Approach 2:
The patent implements local quality by varying the size, shape, and orientation of individual apertures within the amorphous arrangement. Each aperture can be optimized for specific local requirements (different hair directions and sizes) while maintaining overall manufacturing consistency through controlled randomization parameters, thus balancing ease of manufacture with adaptability.
2Device complexity
If repeating geometric patterns of apertures are used, then the foil structure is simple and easy to manufacture, but the shave quality becomes inconsistent
Solution Approach 1:
The patent eliminates repeating geometric symmetry in favor of an amorphous asymmetric pattern. This asymmetric arrangement prevents the periodicity that causes inconsistent shave quality while maintaining reasonable manufacturing complexity through controlled generation methods, thus improving reliability without excessive complexity.
Solution Approach 2:
The patent introduces dynamic variation in aperture characteristics (size, shape, orientation) within the amorphous arrangement. This dynamic diversity in aperture properties allows the foil to adapt to varying hair conditions across different regions, improving shave quality consistency while maintaining manageable structural complexity through systematic design constraints.
Data Source
AI summary
A shaving foil for a shaving system comprises a foil support section and a hair-receiving section. The foil support section is provided for support of the foil over a cutting member of the shaving system. The hair-receiving section of the foil includes a plurality of hair-entrance apertures that define at least one amorphous arrangement of apertures and a plurality of foil surface members that form a network of surface area adjacent to the plurality of hair-entrance apertures.