Nonabsorbent Headband Gutter Structure for Perspiration Management
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Solution Overview
Problem
Conventional perspiration-absorbing headbands become saturated, leading to ineffective sweat management and potential sweat drips into the eyes, necessitating frequent maintenance or interruption.
Innovation Solution
A nonabsorbent headband with a continuous gutter structure forming a U-shaped perspiration channel, made from PVC material, that redirects sweat away from the eyes, featuring a sloping gutter base and lip for efficient drainage, along with a closure system for adjustable fit and attachment to various headwear.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If an absorbent head band is used to absorb perspiration, then perspiration can be absorbed initially, but the head band becomes saturated and can no longer absorb perspiration, causing excess perspiration to flow into the eyes
Solution Approach 1:
Instead of using an absorbent material that saturates, the invention inverts the approach by using a nonabsorbent material with a gutter structure that redirects perspiration flow. The gutter channel captures and directs perspiration away from the eyes continuously without saturation, solving the duration limitation of absorbent materials.
Solution Approach 2:
The gutter structure acts as an intermediary element between the forehead and the eyes. It intercepts perspiration flow and redirects it through a channel to a discharge location away from the eyes, preventing direct contact between perspiration and the eyes while maintaining continuous effectiveness.
2Quantity of substance
If an absorbent head band is used, then perspiration can be absorbed, but frequent maintenance is required to remove saturated perspiration
Solution Approach 1:
The gutter structure serves as an intermediary that continuously channels perspiration away, eliminating the need for frequent maintenance. Perspiration is redirected through the channel to a discharge location, allowing the head band to remain effective indefinitely without removal or cleaning.
Solution Approach 2:
The gutter structure provides continuous perspiration redirection without interruption or maintenance. The nonabsorbent material combined with the channel geometry ensures persistent functionality, allowing the wearer to engage in activities for extended periods without removing the head band.
3Duration of action of moving object
If a nonabsorbent material is used, then saturation is avoided, but perspiration must be actively redirected
Solution Approach 1:
The gutter structure utilizes curved and sloped surfaces to guide perspiration flow. The top surface is sloped toward the gutter channel, and the channel itself has a curved cross-section, using gravity and surface geometry to actively redirect perspiration without additional mechanical components.
Solution Approach 2:
The gutter structure is self-service in that it uses the natural flow of perspiration and gravity to redirect sweat away from the eyes. The sloped top surface and channel geometry automatically guide perspiration along the intended path without requiring external power or complex mechanisms.
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 headband effectively channels sweat away from the eyes, maintaining effectiveness even when saturated, allowing continuous use without interruptions for maintenance, and providing comfort and flexibility with adjustable closure and attachment options.
Implementation Method 1
The gutter base slopes from the central portion downward toward the end portions thereof, transitioning from the first thickness to the second thickness
Data Source
AI summary
A head band device for protecting a wearer's eyes from perspiration from the wearer's forehead is provided. A substantially nonabsorbent band includes a front band portion and two side band portions. The gutter structure extends from an outer surface of the band. The gutter structure includes a gutter base and a gutter lip. The gutter structure in combination with the front band portion and at least part of the first and second side band portions forms a perspiration channel with a generally U-shaped cross-section. The gutter base has a first thickness at a central portion thereof. The gutter base has a second thickness at end portions thereof. The first thickness is greater than the second thickness. The gutter base slopes from the central portion downward toward the end portions thereof, transitioning from the first thickness to the second thickness. A closure system has two fasteners and an elastic loop member.