Cosmetic Package Withstand Microwave Sterilization Pressure
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Solution Overview
Problem
Current methods for decontaminating cosmetic products either rely on chemical preservatives that can cause allergic reactions or involve costly and complex processes, lacking solutions that are both effective and consumer-friendly.
Innovation Solution
A package design and process that uses microwave heating to pasteurize or sterilize cosmetic products without preservatives, utilizing a package with specific material properties to withstand temperature and pressure increases, and a process involving microwave cavities and fluid circulation for decontamination.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If chemical preservatives are added to the cosmetic product, then microbial development is prevented, but allergic reactions and consumer safety issues occur
Solution Approach 1:
The invention extracts and eliminates chemical preservatives from the cosmetic product composition entirely. Instead of using preservatives within the product, the solution moves to external decontamination methods (microwave irradiation, heat treatment) applied to the packaged product, thereby removing the source of allergic reactions while maintaining microbial protection through physical decontamination processes
Solution Approach 2:
The invention substitutes chemical preservation mechanisms with physical decontamination mechanisms. Microwave irradiation and thermal treatment are used to decontaminate the cosmetic product, replacing the chemical action of preservatives with physical energy input that destroys microorganisms without leaving harmful chemical residues in the product
2Object-affected harmful factors
If replacement ingredients with antimicrobial activity are used, then consumer safety is improved, but antimicrobial effectiveness is reduced
Solution Approach 1:
The invention applies preliminary decontamination action to the cosmetic product during manufacturing. By using microwave irradiation and heat treatment to decontaminate the product before packaging, the need for ongoing chemical preservatives is eliminated. The product starts in a decontaminated state, maintaining safety without requiring weaker antimicrobial ingredients throughout its shelf life
Solution Approach 2:
The invention replaces the chemical substitution approach (using weaker antimicrobial ingredients) with a physical decontamination approach. Microwave energy and heat are used to achieve complete decontamination, providing stronger and more reliable antimicrobial effect than alternative chemical ingredients while maintaining consumer safety
3Reliability
If pharmaceutical manufacturing conditions are used, then decontamination effectiveness is improved, but manufacturing complexity and cost increase
Solution Approach 1:
The invention merges the decontamination process with the existing packaging process. By integrating microwave irradiation or heat treatment into the packaging line and using the package itself as the treatment chamber, the invention combines two separate operations (decontamination and packaging) into one unified process, reducing complexity while maintaining effectiveness
Solution Approach 2:
The package structure is designed to serve multiple functions: it contains the cosmetic product, protects it during storage, and simultaneously serves as the decontamination chamber during microwave irradiation or heat treatment. This multi-functionality eliminates the need for separate decontamination equipment and complex manufacturing conditions
4Reliability
If the package is subjected to high temperature and pressure for decontamination, then microbial destruction is improved, but package structural integrity may be compromised
Solution Approach 1:
The invention carefully controls the parameters of temperature, pressure, and exposure time during microwave irradiation and heat treatment. By optimizing these parameters to achieve effective microbial destruction while staying within the tolerance limits of the package materials, the invention maintains package structural integrity while ensuring decontamination effectiveness
Solution Approach 2:
The package design anticipates the thermal and pressure stresses of decontamination by selecting materials with appropriate thermal stability and mechanical strength. The package structure is designed beforehand to withstand the expected treatment conditions, preventing damage during the decontamination process
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
Achieves effective decontamination of cosmetic products while avoiding chemical preservatives, ensuring consumer safety and ease of industrialization, with improved resistance to temperature and pressure.
Implementation Method 1
raising the temperature of the cosmetic product contained in the package to a decontamination temperature by microwave heating
Implementation Method 2
a fluid is set into circulation inside the microwave cavity, the fluid being kept at the decontamination temperature by fluid heating means
Data Source
AI summary
The invention relates to a package (10) containing a cosmetic product (12), the package comprising a basic body (14), a neck (18) and a closure member or product dispensing member (20) mounted on the neck (18), so as to form an internal volume (16) containing the cosmetic product.According to the invention, the package resists an increase in pressure of at least 0.245 bar within the internal volume (16) together with a rise in the temperature of the product to above 85° C., in particular between 85° C. and 150° C.