Refillable Cosmetic Packaging With Dual Force Maxima Insert
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Solution Overview
Problem
There is a need for a refillable packaging assembly for cosmetic products that allows users to easily refill their containers while ensuring a secure and satisfying closing mechanism, addressing the ecological and economical concerns of traditional disposable packaging.
Innovation Solution
A packaging assembly featuring a container with a dismountable insert that requires passing through two local force maxima during mounting and dismounting, providing a hard spot resistance for refilling and a satisfactory closure, with elastic deformation and notch-boss pairs facilitating the movement and ensuring reversibility.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the insert is dismountably mounted on the container to allow refilling, then the ease of operation is improved, but the reliability of the closure is worsened
Solution Approach 1:
The packaging assembly is divided into two separable components: a container and a dismountable insert. This segmentation allows the insert to be easily removed and reattached for refilling purposes while maintaining a secure closure when properly assembled.
Solution Approach 2:
The closure mechanism utilizes elastic deformation of the insert material, which changes the physical state of the insert from rigid to flexible during the closing process. This parameter change allows the insert to deform elastically under mounting force and maintain a secure seal while still being removable for refilling.
2Reliability
If the insert requires passing through local force maxima during mounting, then the closure security is improved, but the ease of operation is worsened
Solution Approach 1:
The insert is designed to undergo elastic deformation when passing through the local force maxima positions during mounting. This parameter change in material flexibility allows the insert to temporarily yield to the mounting force requirements while ensuring secure closure, then return to its original shape to maintain the seal.
Solution Approach 2:
The mounting process is designed as a dynamic sequence where the insert passes through specific positions (first and second local force maxima) that create controlled resistance. This dynamic approach ensures proper engagement and sealing while allowing the insert to be removed and reattached for refilling.
3Ease of operation
If elastic deformation is used to achieve local maximum force, then the ease of operation is improved, but the manufacturing precision is worsened
Solution Approach 1:
The insert is designed with specific material properties and geometric features that allow controlled elastic deformation during mounting. The deformation is temporary and reversible, returning the insert to its original shape after mounting, which maintains functional precision while easing the mounting operation.
Solution Approach 2:
The insert is pre-designed with elastic properties that cushion the mounting process by absorbing and distributing the mounting force through controlled deformation. This beforehand cushioning prevents excessive force concentration and protects against manufacturing tolerances while ensuring secure closure.
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
Enables easy refilling and secure closure of the packaging assembly, providing a user-friendly and ecological solution for cosmetic product containers by utilizing a dismountable insert with elastic deformation and notch-boss pairs to manage force requirements effectively.
Implementation Method 1
one element among the insert and the container induces on the other element among the insert and the container an elastic deformation when passing the first position and the second position
Data Source
AI summary
A packaging assembly for a cosmetic product has a receptacle which can contain the product, and an insert which supports a dispensing member and is removably mounted on the receptacle in order to allow, when it is mounted on the receptacle, product to be dispensed by the dispensing member. The insert is configured to cooperate with the receptacle so that, when the receptacle is moved to be mounted on and/or removed from the insert, the insert successively moves via a first position in which the force necessary for the movement reaches a first local maximum, and a second position in which the force reaches a second local maximum.