Mascara Applicator Bristles Spiral Arrangement
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Solution Overview
Problem
Existing mascara applicators have bristles that are perpendicular to the brush rod, resulting in a small material carrying capacity, requiring frequent dipping and making the makeup process inconvenient and time-consuming.
Innovation Solution
The applicator features bristles arranged in a spiral pattern on the brush rod, with target points on the bristles located on the same spiral line, enhancing the material carrying capacity and reducing the need for frequent dipping.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If bristles are arranged perpendicular to the brush rod, then the structure is simple, but the material carrying capacity is small
Solution Approach 1:
The patent transitions from a traditional perpendicular (2D) bristle arrangement to a spiral (3D) arrangement along the brush rod axis. This dimensional change allows bristles to be distributed along the length of the rod while maintaining radial projection, significantly increasing the surface area for material carrying capacity without substantially complicating the overall structure.
Solution Approach 2:
The patent employs a spiral curved arrangement of bristles instead of straight perpendicular lines. The spiral geometry allows bristles to wrap around the brush rod in a curved path, maximizing the contact area with cosmetic material while maintaining a compact form factor that does not significantly increase device complexity.
2Productivity
If bristles are arranged perpendicular to the brush rod, then the structure is simple, but the makeup efficiency is low
Solution Approach 1:
By arranging bristles in a spiral pattern along the axial direction of the brush rod, the patent creates a three-dimensional structure that increases the effective working surface area. This allows more cosmetic material to be carried in each dip, directly improving makeup application efficiency without requiring complex additional components.
Solution Approach 2:
The spiral arrangement ensures continuous distribution of bristles along the brush rod, creating an uninterrupted surface for material pickup and application. This continuous structure eliminates gaps and dead zones, allowing the applicator to maintain consistent makeup delivery throughout its length, thereby improving overall productivity.
3Quantity of substance
If bristles are arranged perpendicular to the brush rod, then the structure is simple, but the carrying capacity requires frequent dipping
Solution Approach 1:
The spiral arrangement extends the bristle distribution along the axial dimension of the brush rod, creating a longer effective carrying path. This increased dimensional coverage allows the applicator to hold more cosmetic material in a single dip, reducing the frequency of re-dipping and thereby saving time during makeup application.
Solution Approach 2:
The curved spiral path of the bristles creates a larger surface area for material adhesion compared to straight perpendicular bristles. This increased curved surface area allows more cosmetic product to be retained on the applicator during each dip, reducing the need for frequent re-dipping and minimizing time loss.
Data Source
AI summary
An applicator is provided. The applicator includes a brush rod, where M rows of bristles are arranged on the brush rod; the bristles each have an upper surface and a lower surface opposite to each other; the bristle includes a first end fixedly connected to the brush rod, and a second end being a free end; the second end of the bristle extends toward a direction away from the brush rod; there are N bristles in each row of bristles; target points on sections of at least two of the bristles are located on a same spiral line; and the first ends of the bristles in a same row are located in a same axial direction of the brush rod, M≥2, N≥2, and M and N each being an integer.