Multi-Component Dispenser Activation for Tamperproof Full Release
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Solution Overview
Problem
Existing dispensing devices for multi-component systems are complex, tamperproofing is inadequate, and ensure complete release of contents from secondary containers is not guaranteed.
Innovation Solution
A dispensing device with a first container, a second container having a snap-fitted openable closure and an activating member kinematically linked to a handle, ensuring the second container's contents are released upon activation, and a tamperproof assembly to prevent premature use.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If existing dispensing devices are used for multi-component systems, then the device can dispense components, but the device becomes complex and tamperproofing is inadequate
Solution Approach 1:
The device is divided into separate functional modules: a first container for storing the first component, a second container for storing the second component, and a dispensing unit that combines them. Each container can be independently sealed and activated, simplifying the overall structure while maintaining tamperproof functionality through individual sealing mechanisms.
Solution Approach 2:
The components are pre-stored in sealed containers before use. The sealing mechanisms are pre-configured to remain closed until activation, ensuring tamperproof storage. The activation process is designed to automatically open the seals and mix the components only when needed, eliminating the need for complex ongoing protection systems.
2Reliability
If existing dispensing devices are used, then components can be dispensed, but complete release of second container contents is not guaranteed
Solution Approach 1:
The activation mechanism integrates multiple functions into a single action: pressing the activation button simultaneously opens both the first container seal and the second container seal, ensuring both contents are released. The mixing chamber is designed to receive and combine both components completely, with the pump system ensuring all contents are drawn and mixed.
Solution Approach 2:
The pump system includes non-return valves that provide feedback on fluid flow direction and completeness. The system automatically stops pumping when the mixing chamber is full, ensuring complete release of contents from both containers while preventing overflow or incomplete mixing.
3Ease of operation
If simple operation is desired, then ease of use improves, but tamperproofing and complete release assurance may be compromised
Solution Approach 1:
The device is designed so that a single activation button press automatically performs multiple functions: opening both container seals, initiating the pump system, and mixing the components. The non-return valves and pump mechanism automatically ensure complete transfer of contents without requiring additional user actions, maintaining simplicity while ensuring reliability.
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 device ensures simple operation, tamperproof functionality, and complete release of second container contents into the first container, reducing complexity and enhancing security.
Implementation Method 1
a displaceable handle (42) attached to the housing (41) and biased in a position distal to the housing (41) by a return spring (43)
Data Source
AI summary
A dispensing device (1) has first and second containers (2, 3) for storing first and second components before activation and a multi-component after activation and has a dispensing unit (4). An opening (32) of a housing (31) faces the first container (2) and is provided with an openable closure (33) which is closed prior to the first use of the dispensing device (1), and a displaceable activating member (34) is provided within the housing and is kinematically chained with the handle (42), so that displacement of the handle (42) displaces the activating member (34) to an activated position to permanently displace the openable closure (33) into its open position with the opening (32).