Moisture-Wicking Headwear with Absorbent Spacer Layer

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Solution Overview

Problem

Traditional articles of headwear, such as sweatbands, lack a mechanism to effectively absorb and wick away perspiration from the forehead while preventing it from dripping into the eyes, leading to oversaturation and discomfort during athletic activities.

Innovation Solution

A sweatband with a two-layer construction of wicking polyester material and an absorbent spacer textile, where the absorbent layer is positioned between the two layers at the front to store perspiration and transport it to the sides and back, allowing evaporation or harmless release, preventing oversaturation and eye contact.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Quantity of substance

If a stand-alone sweatband or hat incorporating a sweatband is formed solely from an absorbent material such as cotton, then the material can absorb perspiration, but it lacks the ability to wick perspiration away from the eye area and becomes saturated so that it becomes ineffective in absorbing additional perspiration

Engineering Contradiction:
Improveperspiration absorption capacityVSAvoidcontinuous perspiration management effectiveness
Core Design Contradiction:
Quantity of substanceVSReliability

Solution Approach 1:

The sweatband is divided into distinct functional zones: an absorbent material layer (cotton) for initial perspiration absorption, a wicking material layer (polyester) for transporting moisture away, and an elastic layer for structural support. This segmentation allows each layer to perform its specific function optimally without interfering with others, preventing saturation issues that plague single-material sweatbands

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The invention uses a composite structure combining multiple materials with different properties: cotton (high absorbency), polyester (wicking capability), and elastic material (structural integrity). This composite approach leverages the strengths of each material to achieve both high perspiration absorption and continuous moisture transport, resolving the contradiction between absorption capacity and sustained effectiveness

Inventive Principle:
Principle #40Composite materials

2Quantity of substance

If an absorbent material such as cotton is used for the sweatband, then it can absorb perspiration, but it cannot wick perspiration away from the eye area, causing perspiration to drip into the eyes

Engineering Contradiction:
Improveperspiration absorptionVSAvoidperspiration contact with eyes
Core Design Contradiction:
Quantity of substanceVSObject-affected harmful factors

Solution Approach 1:

The wicking material layer (polyester) acts as an intermediary between the absorbent cotton layer and the external environment. It receives perspiration from the cotton layer and actively transports it away from the eye area toward the back and sides of the head, preventing direct contact with eyes while maintaining the absorption capability of the cotton layer

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

Different regions of the sweatband are assigned different functions: the front portion (near eyes) uses absorbent material to capture perspiration, while the side and back portions use wicking material to transport moisture away. This local differentiation ensures perspiration is absorbed where it contacts the skin but wicked away from sensitive areas like the eyes

Inventive Principle:
Principle #3Local quality

3Device complexity

If a single-layer absorbent material is used for the sweatband, then the structure is simple, but the sweatband becomes saturated and ineffective at absorbing additional perspiration

Engineering Contradiction:
Improvesweatband structureVSAvoidperspiration absorption capacity
Core Design Contradiction:
Device complexityVSQuantity of substance

Solution Approach 1:

The sweatband is segmented into multiple functional layers: an absorbent layer for capturing perspiration, a wicking layer for transporting moisture, and an elastic layer for structural support. This multi-layer segmentation increases the overall perspiration management capacity without creating a overly complex structure, as each layer has a clear, simple function

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The wicking material layer provides continuous moisture transport from the absorbent layer to the external environment. This continuous action prevents saturation of the absorbent layer by constantly removing moisture, enabling the sweatband to maintain absorption capacity throughout prolonged use rather than becoming ineffective after initial saturation

Inventive Principle:
Principle #20Continuity of useful action

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 sweatband effectively wicks and stores perspiration, preventing it from reaching the eyes and enhancing comfort by maintaining a dry area around the eyes during athletic activities.

Implementation Method 1

a sweatband including one or more layers formed from a polyester yarn... the sweatband configured to wick the perspiration from a forehead area of the wearer

Methodology Applied
Scientific EffectCapillary action: Capillary Action

Implementation Method 2

an absorbent material... positioned between the first and second layers of material at the front of the sweatband... the absorbent material may include a spacer textile

Methodology Applied
Scientific EffectAbsorption: Absorption (physical)

Implementation Method 3

transport the moisture to the sides and back of the sweatband where it can either evaporate or be harmlessly released

Methodology Applied
Scientific EffectEvaporation: Evaporation

Data Source

PatentUS20240197011A1Moisture-wicking article of headwear
Publication Date: 2024.06.20 NIKE INC
  • US20240197011A1 patent drawing
  • US20240197011A1 patent drawing
  • US20240197011A1 patent drawing

AI summary

Aspects herein are directed to an article of headwear having a first layer of material formed from a polyester yarn, a second layer of material formed from a polyester yarn, and an absorbent layer positioned between the first layer of material and the second layer of material at a front of the article of headwear. The article of headwear is configured to temporarily store perspiration produced by a wearer's forehead area and transport the perspiration to the sides and back of the article of headwear where it can subsequently evaporate or be harmlessly released.