Multi-aperture Diffuser for Uniform Hair Aerosol Application

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Solution Overview

Problem

Conventional aerosol sprays for hair styling are not ideal for localized application, leading to inefficient use of fixing and styling agents and unsatisfactory hair style maintenance over time.

Innovation Solution

An aerosol device with a diffuser having at least three spraying apertures is used to distribute a composition containing fixing polymers and water-insoluble inorganic compounds, allowing for uniform application and effective hair styling with reduced agent usage.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Manufacturing precision

If a conventional aerosol spray is used for hair styling, then the fixing and styling agents can be applied to the hair, but the application is not localized and the agents are not distributed uniformly

Engineering Contradiction:
Improveapplication uniformityVSAvoidlocalized application capability
Core Design Contradiction:
Manufacturing precisionVSEase of operation

Solution Approach 1:

The single spray aperture is divided into multiple apertures (at least two, preferably three or more) within the diffuser. This segmentation allows the aerosol composition to be distributed into multiple separate streams, achieving both localized application capability and uniform distribution across the targeted hair area. Each aperture acts as an independent delivery point, enabling precise control over where the styling agents are applied.

Inventive Principle:
Principle #1Segmentation

2Quantity of substance

If a conventional aerosol spray is used, then hair styling can be achieved, but the amount of fixing and styling agents used is excessive

Engineering Contradiction:
Improveamount of fixing and styling agentsVSAvoidstyle fixation effectiveness
Core Design Contradiction:
Quantity of substanceVSReliability

Solution Approach 1:

The diffuser with multiple apertures enables localized delivery of the aerosol composition directly to the specific areas of hair that need styling. This localized quality approach ensures that the fixing and styling agents are applied only where needed, rather than being dispersed unnecessarily across the entire hair mass. The result is reduced consumption of styling agents while maintaining effective style fixation in the targeted areas.

Inventive Principle:
Principle #3Local quality

3Duration of action of stationary object

If a conventional aerosol spray is used, then hair styling can be achieved, but the style maintenance over time is insufficient

Engineering Contradiction:
Improvestyle maintenance durationVSAvoidshaping efficiency
Core Design Contradiction:
Duration of action of stationary objectVSProductivity

Solution Approach 1:

The diffuser design with multiple apertures creates a dynamic distribution pattern that adapts to the hair structure and styling needs. The aerosol composition is delivered through multiple pathways simultaneously, creating a more comprehensive and durable fixation network throughout the hair. This dynamic multi-aperture approach enhances both the immediate shaping effect and the long-term style maintenance, making the styling process more efficient and effective.

Inventive Principle:
Principle #15Dynamics

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 solution enables easy and rapid shaping of hair with volume and texture, improving style fixation and long-term maintenance while minimizing the amount of fixing and styling agents used.

Implementation Method 1

a container containing: one or more propellants, and a composition comprising one or more fixing polymers and/or one or more styling powders comprising one or more water-insoluble inorganic compounds

Methodology Applied
Scientific EffectAerosol: Aerosol

Implementation Method 2

a means for distributing said aerosol composition, comprising a diffuser having at least three spraying apertures for spraying the composition in a main spraying direction

Methodology Applied
Scientific EffectDiffusion: Diffusion

Data Source

PatentUS11667462B2Aerosol device with multi-aperture diffusion for hair shaping and/or style holding
Publication Date: 2023.06.06 LOREAL SA
  • US11667462B2 patent drawing
  • US11667462B2 patent drawing
  • US11667462B2 patent drawing

AI summary

The present invention relates to an aerosol device including: —a container containing: —one or more propellants, and —a composition including one or more fixing polymers and/or one or more styling powders including one or more water-insoluble inorganic compounds, the propellant or propellants possibly being present in the composition or in the container, separate from the composition, —an aerosol device for distributing the aerosol composition, including a diffuser having at least three spraying apertures for spraying the composition in a main spraying direction. The invention further provides a method for shaping the hair and/or maintaining the style, including a step of applying to the wet or dry hair a cosmetic composition sprayed from a specific aerosol device.