Sliding Closure Container Coding to Prevent Wrong Insertion
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Solution Overview
Problem
Existing dispensing systems lack a mechanism to prevent incorrect containers from being inserted, leading to potential contamination and leakage, as they rely solely on matching guide elements which do not ensure the correct contents are used.
Innovation Solution
The introduction of recesses and projections on the closure and depot elements of the container, which engage specifically to prevent incorrect insertion by requiring a precise alignment and locking mechanism, ensuring only compatible containers can be used.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If only guide elements are used for container insertion, then the container can be easily inserted and removed, but incorrect containers can be inserted leading to contamination and leakage
Solution Approach 1:
The patent applies asymmetry by providing the closure with specific asymmetric recesses and the depot with corresponding asymmetric projections. This asymmetric configuration ensures that only the correct container closure can engage with the depot, preventing incorrect containers from being inserted while maintaining ease of operation for the correct container.
Solution Approach 2:
The patent introduces an intermediary coding mechanism consisting of recesses in the closure and projections on the depot. This intermediary element acts as a mediator between the container and dispenser, verifying compatibility before allowing insertion to proceed, thus preventing incorrect container insertion while maintaining operational ease.
2Reliability
If recesses and projections are added to prevent incorrect insertion, then reliability improves, but device complexity increases
Solution Approach 1:
The patent applies local quality by implementing the coding feature (recesses and projections) only in specific localized areas of the closure and depot, rather than throughout the entire structure. This allows the system to gain reliability through prevention of incorrect insertion while minimizing the increase in overall device complexity by keeping the additional features localized and limited in scope.
Data Source
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AI summary
The invention relates to a container having an opening lying in a plane (3), wherein said opening is provided on a connecting piece (2) of the container. A closure (10) of said container can be removed by displacement in the plane. At least one guide element (4) is provided on the connecting piece (2), on or in which the closure (10) can be displaced relative to the container (1). The closure (10) comprises at least one recess (16) on at least one of its outer surfaces (17, 18, 19).