Capsule Segmentation for Dual-Fluid Packaging Integrity

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Solution Overview

Problem

Existing containers for packaging two fluids, such as cosmetics or therapeutic products, face issues where the second fluid comes into direct contact with the striker and flexible wall, leading to potential chemical reactions and degradation, compromising the integrity and functionality of the active agents due to insufficient protection against corrosive products, oxygen, or water.

Innovation Solution

A container design featuring a capsule that separates the second fluid from the striker and flexible wall, using different materials for the capsule walls with a frangible area to prevent direct contact until use, ensuring compatibility with the second fluid and maintaining its integrity during storage and transportation.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Device complexity

If the second fluid is packaged in direct contact with the striker and flexible wall, then the device complexity is reduced, but the reliability deteriorates due to potential chemical reactions and degradation

Engineering Contradiction:
Improvestructure complexityVSAvoidintegrity of active agents
Core Design Contradiction:
Device complexityVSReliability

Solution Approach 1:

The second fluid is segmented into a separate capsule container within the closure element, physically isolating it from the striker and flexible wall materials. This segmentation prevents direct contact between the fluid and potentially reactive materials while maintaining functional integration of the mixing device.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The capsule acts as an intermediary barrier between the second fluid and the striker/flexible wall. This intermediate structure allows the device to function as intended while preventing harmful chemical interactions, thus improving reliability without significantly increasing overall complexity.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Ease of operation

If the flexible wall is made pliable to enable striker displacement, then the ease of operation is improved, but the object-generated harmful factors worsen due to insufficient protection against corrosive products

Engineering Contradiction:
Improvedisplacement of flexible wallVSAvoidchemical reactions with second fluid
Core Design Contradiction:
Ease of operationVSObject-generated harmful factors

Solution Approach 1:

The capsule segments the second fluid from the flexible wall, allowing the wall to remain pliable for ease of operation while the capsule material provides chemical protection. The segmentation creates a protective barrier that eliminates harmful interactions.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The capsule serves as an intermediary protective layer between the second fluid and the flexible wall. This intermediary structure allows the flexible wall to maintain its pliability for user operation while the capsule material protects against chemical reactions with corrosive products.

Inventive Principle:
Principle #24Intermediary (Mediator)

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 capsule design effectively prevents chemical reactions and maintains the integrity of the second fluid by keeping it separate from the striker and flexible wall until use, ensuring the preservation of active agents and extending the container's usability.

Implementation Method 1

the capsule comprises a first wall, suitable, in the assembled position of the capsule, for being positioned in the direction of the dispenser, and a second wall, suitable, in the assembled position of the capsule, for being positioned in the direction of the pliable wall of the closure element

Methodology Applied
Scientific EffectFracture Mechanics: Fracture Mechanics

Data Source

PatentUS11338984B2Container for packaging a first fluid comprising a capsule for packaging a second fluid, and a capsule suitable for said container
Publication Date: 2022.05.24 CADORIT
  • US11338984B2 patent drawing
  • US11338984B2 patent drawing
  • US11338984B2 patent drawing

AI summary

The subject matter described herein includes a container having a substantially tubular body forming a first volume for receiving a first fluid. The body includes a first and a second end, and the first end includes a dispenser provided with an aperture making it possible to dispense the contents of the container. The second end includes a closure element having a flexible wall making it possible for the flexible wall to be displaced between a first and a second position relative to the dispenser in order to thus dispense the contents of the container. The container includes a capsule with an outer wall forming a second volume for containing a second fluid. The capsule is positioned between the dispenser and the flexible wall respectively. The capsule is suitable for releasing the second fluid into the first volume during or after a first displacement of the flexible wall from its first position towards its second position.