Wig Base Front Edge Shape Retention via Composite Net
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Solution Overview
Problem
Conventional wigs experience curling and wrinkling issues at the front edge due to repeated use, leading to poor contact with the wearer's head and exposure, despite shape retention members and shape memory alloys used to maintain shape.
Innovation Solution
A wig design featuring an artificial skin portion with a shape retention net integrated into the front portion, where the front edge is bent to a sharper inclination than the wearer's head outline, and an adhesive layer is used for secure attachment, preventing curling and wrinkling by maintaining close contact with the scalp.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Shape
If the front edge of the wig base is made ultra thin to improve appearance and contact with the wearer's head, then the wig base can contact closely to the wearer's head and make wig wearing unexposed, but the front edge is prone to curling and wrinkling by repeated use
Solution Approach 1:
The wig base front portion is constructed as a composite structure combining an ultra-thin artificial skin layer (0.08-0.12mm thick synthetic resin) with an integrated net portion. This composite design allows the front edge to maintain both the thinness needed for close head contact and the structural integrity to prevent curling and wrinkling during repeated use.
2Reliability
If shape retention members made of shape memory alloy or plastics are added to maintain wig base shape, then the wig base can fit to head shape by curving and transforming, but the device complexity increases
Solution Approach 1:
Instead of adding shape retention members throughout the entire wig base, the invention integrates the net portion specifically at the front portion where shape retention is most critical. The net is integrally connected to the front portion at the connecting portion, providing localized shape support exactly where needed without unnecessarily complicating the overall wig base structure.
3Ease of operation
If the front portion is made of soft synthetic resin to improve comfort and appearance, then the wig base can contact closely to the wearer's head, but the front edge is more susceptible to warping and curling
Solution Approach 1:
The front portion combines soft synthetic resin material for comfort with an integrated net structure for stability. The net is formed from the same synthetic resin as the front portion and is integrally connected to it, creating a composite structure that maintains both the softness needed for comfort and the rigidity required to prevent warping and curling.
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 design effectively prevents curling and wrinkling of the front edge, ensuring a close and secure fit to the wearer's head, maintaining appearance and concealing the hairline, even with repeated use.
Implementation Method 1
a wig base (11) provided with an artificial skin portion (110a) at least in a front portion from a virtual hairline of a forehead portion of a wearer toward a top portion
Implementation Method 2
an adhesive layer is used for secure attachment, preventing curling and wrinkling by maintaining close contact with the scalp
Data Source
AI summary
In the wig 10 provided with a wig base 11 and hair materials 12 attached to the wig base, the wig base 11 is zoned in its front portion 11a to an artificial skin portion 110a from a virtual hairline of the wearer's forehead portion toward a top portion and to a net pattern 11b connected thereto, the artificial skin portion is made of a synthetic resin film integrated with a shape retention net, provided with a front edge region 111 of the pre-determined width from a front edge 11a′ positioned on the wearer's virtual hairline toward inside and with a rear region 112 connected to the front edge region, and the front edge region 111 is bent to a sharper inclination than the wearer's corresponding head outline, giving a curved ridge line, resulting in an arc-shaped warp up prevention structure.