Vial Lid Temperature Indicator Using Segmented Cup Design
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Solution Overview
Problem
Current vials for perishable products lack effective indicators to detect temperature changes, particularly freezing conditions, which can compromise the quality of the contents, and existing solutions often require significant label space or alter the vial design, posing challenges in manufacturing and storage.
Innovation Solution
Incorporating a temperature condition indicator on the lid, body, or bottom of the vial, using a cup with an indicator substance that irreversibly changes appearance when exposed to specific temperature conditions, allowing for detection through a transparent cover, and utilizing flexible blister labels or self-adhesive indicators to minimize space and maintain vial functionality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a temperature condition indicator is incorporated on the vial, then temperature detection capability is improved, but label space is occupied and manufacturing complexity increases
Solution Approach 1:
The temperature indicator is segmented from the main label area and integrated into the vial lid structure itself. The lid is divided into functional zones: the indicator cup containing the temperature-sensitive material, the transparent cover for viewing, and the crimping flange for sealing. This segmentation allows temperature monitoring without consuming valuable label space on the vial body.
Solution Approach 2:
The temperature indicator functionality is merged with the vial lid component. The lid serves dual purposes: it provides the sealing function (with crimping flange and septum) and simultaneously houses the temperature indicator (cup with indicator material and transparent cover). This merging eliminates the need for separate indicator labels while maintaining both functions.
2Reliability
If a temperature condition indicator is incorporated on the vial, then temperature detection capability is improved, but device complexity increases
Solution Approach 1:
The vial lid is designed as a multi-functional component that simultaneously performs sealing (through crimping flange and septum) and temperature indication (through the indicator cup and transparent cover). This universality reduces the need for additional separate components, thereby limiting the increase in overall device complexity while achieving temperature monitoring capability.
Solution Approach 2:
The temperature indicator components are nested within the lid structure. The indicator cup is positioned within the lid body, the transparent cover is placed over the cup, and the entire indicator assembly is integrated into the lid that already contains the septum and crimping flange. This nesting approach minimizes the increase in structural complexity by utilizing existing spatial relationships.
3Illumination intensity
If a clear cover is added to allow viewing of the indicator substance, then visibility is improved, but manufacturing steps increase
Solution Approach 1:
The transparent cover is merged with the lid assembly during the crimping process. The cover is positioned over the indicator cup, and the entire assembly (lid with cup and cover) is crimped onto the vial in a single operation. This merging of the cover into the existing lid manufacturing process minimizes additional manufacturing steps.
Solution Approach 2:
The indicator cup and transparent cover are pre-assembled into the lid structure before the final crimping operation. This preliminary assembly allows the cover to be positioned correctly over the indicator material, ensuring visibility while enabling the entire indicator system to be attached to the vial in a single crimping step rather than requiring separate assembly operations.
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 solution provides reliable and visible temperature change detection without occupying valuable label space, ensuring product quality monitoring while maintaining vial integrity and ease of manufacturing.
Implementation Method 1
an indicator substance, contained in the cup, that will irreversibly change appearance when exposed to a temperature condition
Data Source
AI summary
Disclosed herein is a temperature condition indicator disposed upon the top surface of a lid or cap for a container or on the container or vial for a perishable product, such as a food or a drug composition. The indicator can change appearance when exposed to a temperature condition, such as a freezing event.