Non-Symmetrical Cosmetic Applicator Tip Design
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Solution Overview
Problem
Existing cosmetic applicators for human keratin materials, such as eyeliner, lip products, and eyeshadow, lack versatility in line thickness and ease of use, with complex shapes being difficult to manufacture and practical applicator pens offering inferior performance.
Innovation Solution
A cosmetic applicator with a unique tip design featuring a base part and application part with non-symmetrical, differently contoured surfaces, made from porous materials like synthetic or natural fibers, allowing for capillary product diffusion and adjustable application precision through varying surface angles and dimensions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If complex shapes are used for applicator end pieces to achieve different line thicknesses, then makeup versatility is improved, but manufacturing complexity increases
Solution Approach 1:
The applicator tip is divided into a base part and an application part with distinct functions. The base part provides structural support and connection to the holder, while the application part features multiple surfaces with different contours for various makeup applications. This segmentation allows each part to be optimized independently, simplifying manufacturing while maintaining versatility.
Solution Approach 2:
The application part features non-symmetrical surfaces with different contours, where each surface has a unique shape formed by edges and/or base lines that are not symmetrical about an axis or median plane. This asymmetry enables different line thicknesses and makeup effects without requiring multiple applicator units, thereby improving versatility while keeping the overall structure relatively simple.
2Ease of operation
If applicator pens are used for practicality, then ease of use is improved, but application performance deteriorates
Solution Approach 1:
The applicator tip is designed with multiple surfaces on the application part, each with different contours suitable for various makeup applications (eyeliner, eyeshadow, lip products). This multi-functionality allows a single applicator to replace multiple specialized applicators, maintaining ease of use while improving application performance across different cosmetic products.
3Quantity of substance
If porous materials are used for the applicator tip, then product diffusion is improved, but manufacturing precision requirements increase
Solution Approach 1:
The applicator tip is made from porous material such as synthetic or natural fibers assembled to form a felt. This porous structure enables capillary action to draw cosmetic product from the holder through the base part to the application part, ensuring consistent product delivery. The porous nature allows adequate product diffusion while the fibers can be assembled using relatively simple manufacturing processes.
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
Enables new makeup effects and improved ease of use by allowing precise and flexible application of cosmetic products, enhancing user experience and manufacturing simplicity.
Implementation Method 1
The applicator tip is made of a porous material, notably of synthetic or natural fibres that are all oriented substantially in the same direction, notably along the longitudinal axis, and assembled to form a felt. The applicator tip is preferably impregnated with the cosmetic product to be applied, notably eyeliner, a lip product, eyeshadow or mascara. This can allow the product to diffuse easily by capillary action within the applicator end piece on account of its porosity.
Data Source
AI summary
Applicator for applying a cosmetic product to human keratin materials, having:a holder andan applicator tip, of longitudinal axis, that is carried by the holder and has:a base part, having an axis, for fastening to the holder by way of at least one of its portions, andan application part that is attached to the base part and has at least three surfaces, each having a contour formed byat least one edge, and/ora base line that acts as a junction between the application part and a cylindrical portion, having an axis, of the base part,the shapes of the contours of said surfaces being different in pairs and not symmetrical to one another about an axis or a median plane.