Brush Head With Recessed Bristles for Uniform Material Dispensing
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Solution Overview
Problem
Traditional brushes often result in uneven application of materials, leading to smears and streaks, particularly in cosmetic and artistic applications, due to their design limitations.
Innovation Solution
A brush head with an outer zone of bristles and an inner zone of recessed bristles, where the inner zone acts as a reservoir for materials and the outer zone disperses them uniformly, reducing streaking and enhancing application precision.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If traditional brushes are used for material application, then the brush structure is simple, but the material application is uneven resulting in smears and streaks
Solution Approach 1:
The brush head is segmented into multiple functional zones: a central recessed zone for material reservoir and outer zones for material distribution. This segmentation allows each zone to perform its specific function optimally, preventing streaking while maintaining manageable brush structure
Solution Approach 2:
Different zones of the brush head are given different local qualities - the central recessed area provides material storage capacity while the outer bristle zones provide material distribution. This local differentiation enables uniform material application without requiring complex overall brush redesign
2Measurement precision
If the inner zone of recessed bristles is used as material reservoir, then material application precision is improved, but material absorption may occur
Solution Approach 1:
The outer zone of bristles acts as an intermediary between the material reservoir (inner recessed zone) and the surface being painted. It controls material release and prevents direct absorption into the reservoir, ensuring precise material application
Solution Approach 2:
The outer zones are pre-loaded with material from the central reservoir before application to the surface. This preliminary action ensures that material is distributed uniformly from the outer zones, preventing both absorption issues and application streaking
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 brush head design ensures more uniform and pleasing application of cosmetics and other materials by preventing absorption into the inner zone, allowing the material to bead up and be applied precisely, while the outer zone buffs for a smooth finish, reducing streaking and smearing.
Implementation Method 1
The inner zone can be less wettable than the outer zone, and can form a reservoir for a material
Implementation Method 2
The outer zone disperses them uniformly, reducing streaking and enhancing application precision
Data Source
AI summary
The present invention recognizes that there exists a long felt need for brush heads and brushes having material application and buffing properties. A first aspect of the present invention is a brush head. A second aspect of the present invention is a brush including a brush head of the present invention. A third aspect of the present invention is a method of making a brush head of the present invention. A fourth aspect of the present invention is a method of making a brush of the present invention. A fifth aspect of the present invention is a method of using a brush head of the present invention. A sixth aspect of the present invention is a method of using a brush of the present invention.