Cosmetic Applicator Handle with Elevated Friction Feature
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Solution Overview
Problem
The cosmetic industry faces a need for improved cosmetic applicators that provide enhanced grip and comfort while applying cosmetics, as existing applicators often lack effective texture and material properties to ensure secure handling and efficient application.
Innovation Solution
A cosmetic applicator assembly featuring a handle body with an elevated feature that has a kinetic coefficient of friction greater than or equal to 0.55 and a hardness of less than or equal to Shore A 70, or conversely, a kinetic coefficient of friction less than or equal to 0.55 and a hardness greater than or equal to Shore A 70, integrated with a cosmetic applicator for improved grip and application efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the handle body uses a single material with uniform properties, then manufacturing is simple, but grip comfort and security are insufficient
Solution Approach 1:
The handle body incorporates an elevated feature with different material properties (kinetic coefficient of friction ≥0.55 and hardness ≤Shore A 70) than the base handle body material. This localized differentiation provides enhanced grip comfort at the contact point while maintaining structural integrity of the overall handle.
Solution Approach 2:
The handle body is constructed using composite materials - a base handle body material combined with an elevated feature material having specific friction and hardness properties. This composite structure optimizes both grip comfort and structural requirements.
2Ease of operation
If the elevated feature material has high friction and low hardness, then grip security is improved, but manufacturing precision requirements increase
Solution Approach 1:
The elevated feature material is specifically selected or engineered to have a kinetic coefficient of friction of at least 0.55 and a hardness of at most Shore A 70. These parameter specifications ensure optimal grip security while providing clear manufacturing targets for quality control.
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
The solution provides a secure grip and efficient application of cosmetics, enhancing user comfort and product application experience through tailored texture and material properties that match specific grip requirements.
Implementation Method 1
The elevated feature includes an elevated feature material, wherein the elevated feature material has a kinetic coefficient of friction of greater than or equal to 0.55
Data Source
AI summary
A cosmetic applicator assembly includes a handle body having a proximal end, a distal end, a largest width or diameter of from 0.4 inches to 1.25 inches, and an exterior surface, an elevated feature disposed along the exterior surface and extending from 0.007 inches to 0.020 inches above the exterior surface, and a cosmetic applicator coupled to the distal end of the handle body and constructed to apply a cosmetic. The handle body includes a handle body material. The elevated feature include an elevated feature material, wherein the elevated feature material has a kinetic coefficient of friction of greater than or equal to 0.55 and a hardness of less than or equal to Shore A 70, and a hardness that is less than the hardness of the handle body material.