Cosmetic Refill Applicator Saturation Control for Hair Treatment
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Solution Overview
Problem
Existing hair treatment devices with cosmetic product refills suffer from inconsistent application of haircare products due to saturation levels, leading to uneven treatment and unsatisfactory cosmetic results.
Innovation Solution
A cosmetic product refill with an applicator member saturated to less than or equal to 90% with a porous, elongate shape and specific material composition, ensuring consistent product delivery and homogeneous hair treatment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If the applicator member is completely saturated with cosmetic product, then the initial quantity of product is high, but the quantity delivered varies significantly between first and subsequent passes
Solution Approach 1:
The patent applies parameter changes by controlling the saturation degree of the applicator member to be between 40-90% rather than complete saturation. This parameter adjustment ensures that the applicator delivers a consistent quantity of cosmetic product across multiple passes, resolving the contradiction between initial product quantity and delivery consistency.
2Stability of the object's composition
If the applicator member is saturated to less than or equal to 90%, then the product delivery is consistent across passes, but the initial quantity of product is reduced
Solution Approach 1:
The patent optimizes the saturation degree parameter to a specific range (40-90%) that balances product delivery consistency with sufficient initial quantity. This parameter optimization resolves the contradiction by finding the optimal point where both consistency and adequate quantity are achieved.
3Quantity of substance
If the applicator member is completely saturated, then more cosmetic product is available initially, but the treatment homogeneity deteriorates due to varying product quantities on different passes
Solution Approach 1:
The patent applies parameter changes by setting the saturation degree between 40-90% to ensure homogeneous hair treatment. This parameter control prevents the variation in product quantity between passes that would otherwise occur with complete saturation, thereby maintaining treatment homogeneity while still providing sufficient product availability.
4Quantity of substance
If the applicator member has high saturation, then the cosmetic product is readily available, but the cosmetic feel of treated hair becomes unsatisfactory due to uneven product distribution
Solution Approach 1:
The patent applies parameter changes by controlling saturation to 40-90% to ensure reliable cosmetic feel quality. This parameter control guarantees uniform product distribution across all hair passes, eliminating the unsatisfactory cosmetic feel that results from uneven distribution when completely saturated, while maintaining adequate product availability.
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 refill provides a consistent quantity of product per pass, reducing variation and ensuring a uniform cosmetic application across the hair, improving the overall treatment quality.
Implementation Method 1
an applicator member (26) in the form of a porous material, seen in cross section, having a substantially uniform porosity over its whole volume
Data Source
AI summary
The invention relates to a cosmetic product refill (20) for a hair treatment device (1), comprising an applicator member that is saturated with liquid cosmetic product, with a degree of filling less than or equal to 90%, preferably less than or equal to 80%>, more preferably less than or equal to 70%, the degree of filling being defined as the ratio of the mass of cosmetic product in the applicator member divided by the maximum mass of cosmetic product with which the applicator member can be saturated.