Dual-Fluid Container Striker and Pliable Wall Design
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Solution Overview
Problem
Existing containers for packaging multiple fluids struggle to ensure optimal separation and mixing of fluids, particularly cosmetics products, as the striker and flexible wall are often produced from the same material, requiring a compromise that may not guarantee perfect perforation and sealing.
Innovation Solution
A container design where the striker is an integral part of the second element, connected via arms to a pliable wall, allowing for optimal membrane perforation and separation, with the striker and wall produced from different materials using an overmoulding process for enhanced flexibility and sealing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If the striker and flexible wall are produced from the same material, then the manufacturing process is simplified, but the sealing and perforation performance deteriorates
Solution Approach 1:
The patent divides the second element into separate components: the striker is produced from a first material optimized for membrane perforation, while the flexible wall is produced from a second material optimized for sealing and flexibility. This segmentation allows each component to have material properties specifically tailored to its function, resolving the contradiction between manufacturing simplicity and performance reliability.
Solution Approach 2:
The patent employs composite materials by combining different materials for the striker and flexible wall. The striker uses a material with properties suitable for cutting/perforating the membrane, while the flexible wall uses a different material that provides optimal sealing and pliability. This use of composite materials enables both components to achieve their respective performance requirements simultaneously.
2Manufacturing precision
If the striker is made rigid for optimal membrane cutting, then the perforation effectiveness improves, but the flexibility and sealing of the container deteriorates
Solution Approach 1:
The patent separates the rigid striker component from the flexible wall component. The striker is designed with rigid properties to effectively cut and perforate the membrane, while the flexible wall maintains the container's pliability and sealing capabilities. This segmentation allows each part to have the mechanical properties needed for its specific function without compromising the other.
Solution Approach 2:
The patent applies different material qualities to different parts of the second element. The striker region is given rigid, cutting-capable material properties, while the wall region is given flexible, sealing-capable material properties. This local differentiation of material quality allows the container to simultaneously achieve effective membrane perforation and maintain flexibility during use.
3Ease of operation
If the pliable wall is made more flexible to allow striker movement, then the striker can reach the membrane effectively, but the sealing performance deteriorates
Solution Approach 1:
The patent optimizes the parameters of the flexible wall material to achieve a balance between flexibility and sealing. By carefully selecting and tuning the material parameters (such as durometer, thickness, and composition), the wall becomes sufficiently flexible to allow the striker to move and reach the membrane, while simultaneously maintaining adequate sealing performance to prevent leakage during normal container operation.
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
Ensures perfect separation and mixing of fluids by allowing the striker to deform and perforate the membrane effectively, maintaining product protection and usability through improved material choice and assembly.
Implementation Method 1
a striker (23) suitable for perforating the membrane (22)
Implementation Method 2
the pliable wall (24) deforms from a first position towards a second position
Data Source
AI summary
Container for packaging a first fluid and a second fluid, provided with a rupturable membrane which allows this first fluid to be separated from this second fluid, and with a striker having the function of striking said membrane and thus of allowing the first and the second fluid to mix, wherein the container comprises a first element, suitable for receiving the first fluid with a body comprising a first end provided with a dispenser, and a second end forming an aperture intended for receiving the first fluid, wherein the container also includes a second element, suitable for receiving the second fluid with a body including a first end forming an aperture, intended for receiving the second fluid, and a second end closed by means of a pliable wall, wherein the second element is suitable for being received in the second end of the first element and thus for closing this second end of the first element, and the second element is provided with a striker fixed onto the pliable wall, which thus makes the striker mobile.