Open-Back Oval Hair Tool Head for Faster Drying and Less Tangling
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Solution Overview
Problem
Conventional cylindrical hair tool heads cause tangling, fatigue, and prolonged drying time, leading to hair damage and reduced curl/set duration.
Innovation Solution
A hair tool head with an oval cross-section and an open back surface, reducing tangling and weight, allowing better airflow and heat penetration, and requiring less user effort.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a conventional cylindrical brush head with bristles covering the full surface is used, then the brush can effectively style hair, but it causes tangling and discomfort during the hairstyling process
Solution Approach 1:
The patent removes a portion of the back surface of the brush head, creating an open-back design that extracts the problematic full-surface bristle coverage. This opening eliminates the source of tangling while preserving the styling functionality on the front and side surfaces where bristles remain.
Solution Approach 2:
The brush head surface is segmented into covered areas (front and sides with bristles) and an open area (back portion without bristles). This segmentation allows hair to be styled effectively on the bristle-covered surfaces while the open back prevents tangling and facilitates easier hair removal from the brush.
2Ease of manufacture
If a conventional cylindrical brush head is used, then the structure is simple and easy to manufacture, but it causes user fatigue during the hairstyling process
Solution Approach 1:
By removing a portion of the back surface of the cylindrical brush head, the patent creates an open-back design that reduces the overall weight and material usage. This extraction of material directly addresses user fatigue while maintaining the basic cylindrical structure for ease of manufacture.
3Ease of operation
If a conventional cylindrical brush head with full surface coverage is used, then the brush provides complete hair contact, but it prolongs drying time and increases heat exposure to hair
Solution Approach 1:
The removal of the back surface portion creates an opening that allows improved airflow through and around the brush head. This extraction of the back surface material enables faster drying by facilitating air circulation, directly reducing drying time while the front and side bristles maintain adequate hair contact for styling.
4Device complexity
If a conventional cylindrical brush head is used, then the structure is straightforward, but it requires significant user effort to wind and remove hair
Solution Approach 1:
By removing the back surface portion, the patent creates an open-back design that reduces the friction and resistance between hair and the brush head. This extraction of the back surface material significantly reduces the force required to wind hair onto the brush and to remove hair during the hairstyling process.
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
Faster drying, reduced damage, longer-lasting curls/flips, and decreased user fatigue, while minimizing tangling and heat exposure.
Implementation Method 1
allowing better airflow
Implementation Method 2
heat penetration... minimizing tangling and heat exposure
Data Source
AI summary
The present invention relates generally to a head for hair tool having an oval cross section where a portion of the back of the hair tool head is open. The hair tool head of the present invention may be used with heated and non-heated hair tools and appliances. The invention further provides methods of using the disclosed hair tool head to reduce drying time for hair, reduce hair frizz, reduce damage to hair occurring during hairstyling and/or hair drying, increase the length of time that hair keeps a curl and/or a flip (the “set” of the curl or flip), and lessen user fatigue during the hairstyling process.