Multi-Row Disk Mascara Brush for Smoother Taper
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Solution Overview
Problem
Creating a visually appealing and ergonomic taper in disk-style mascara brushes is challenging due to the need for multiple disks and varying diameters, which increases manufacturing complexity and cost.
Innovation Solution
Incorporating multiple rows of bristles on each disk, with varying diameters, allows for a gradual taper while reducing the number of disks required, enhancing both visual appeal and ergonomic efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Shape
If multiple disks with varying diameters are used to create a taper, then the visual appeal and ergonomic quality improve, but the manufacturing complexity and cost increase
Solution Approach 1:
The patent transitions from a single-row bristle arrangement to a multi-row bristle arrangement on each disk. This dimensional change allows the creation of taper effects by varying the diameter of individual bristles within multiple rows, rather than requiring multiple disks of different diameters. The multi-row structure enables radial arrangement of bristles with different diameters, achieving the desired taper shape while reducing the number of disks needed.
Solution Approach 2:
The patent segments the bristle arrangement into multiple rows on each disk, with each row containing bristles of specific diameters arranged radially. This segmentation allows different bristle diameters to be organized in a structured manner across multiple rows, creating the taper effect within a single disk or fewer disks, thereby reducing manufacturing complexity while maintaining shape quality.
2Shape
If multiple disks with varying diameters are assembled to form a taper, then the aesthetic appearance improves, but the manufacturing cost and tooling requirements increase
Solution Approach 1:
The patent makes each disk multi-functional by incorporating multiple rows of bristles with different diameters on a single disk. This universal design allows one disk to perform the function that previously required multiple disks of different diameters, thereby reducing the total number of disk types needed, lowering tooling requirements, and reducing manufacturing costs while maintaining the desired visual appeal.
Solution Approach 2:
The patent merges multiple bristle rows with different diameters onto a single disk structure. By combining what would have been separate disks into one integrated component, the manufacturing process is simplified, tooling requirements are reduced, and production costs are lowered, while the multi-row arrangement still achieves the desired aesthetic taper appearance.
3Ease of operation
If numerous individual disks are used to create a gradual taper, then the ergonomic quality improves, but the number of manufacturing steps and assembly complexity increase
Solution Approach 1:
The patent uses multi-row bristle arrangements with radial positioning of bristles having different diameters to achieve gradual taper effects. This dimensional approach allows the taper to be created within fewer disks by varying bristle diameters across multiple rows, reducing the number of disks that need to be assembled while maintaining the ergonomic quality of a gradual taper transition.
Data Source
AI summary
In a disk-style applicator brush, such as for mascara, the bristle-containing disks are created having multiple rows of bristles to minimize the number of disks necessary to create a taper as well creating more visually appealing tapers. This is advantageous for the visual attractiveness as well as the ergonomic improvement of the brush. Disks are made that are thicker (in the axial dimension) and have two rows of bristles that are alternating, but each row of the bristles creates a different brush diameter.