Tamper-Evident Card Case Header for Automated Sealing
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Solution Overview
Problem
Conventional card cases with headers for securing playing or trading cards are difficult to automate due to complex manual steps like inserting a tuck flap and applying seals, leading to high labor costs and reduced yield, and the header interferes with case usability after opening.
Innovation Solution
A rectangular parallelepiped case with a header that includes a tear line and adhesive portion, allowing the case to be sealed without manual insertion steps, leaving evidence of opening, and enabling the header to function as an insertion piece after opening, facilitating automation and ensuring security.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a conventional case with header and tuck flap is used, then security sealing is achieved, but the manufacturing process becomes complex and difficult to automate
Solution Approach 1:
The invention extracts and eliminates the separate tuck flap component from the conventional case structure. Instead of having a distinct tuck flap that requires manual insertion, the header itself is designed to function as the closing element, simplifying the manufacturing process while maintaining security sealing functionality.
Solution Approach 2:
The header is designed to serve multiple functions: it provides the hanging function for display during sale and simultaneously serves as the closing element (tuck) for sealing the case. This multi-functionality eliminates the need for separate components and simplifies the manufacturing process.
2Reliability
If manual insertion of tuck flap and sealing is performed, then security is ensured, but labor costs increase and yield decreases
Solution Approach 1:
The case structure is designed to seal itself through the adhesive bonding of the header to the rear surface, eliminating the need for manual tuck flap insertion and sealing operations. This self-service mechanism improves productivity and yield while maintaining security through the irreversible tear line separation.
3Adaptability or versatility
If header portion is retained after opening, then hanging function is maintained, but it interferes with smooth insertion and removal of tuck
Solution Approach 1:
The invention makes the header dynamic by designing it to be detachable from the case body through the tear line. Before opening, the header is attached and provides the hanging function. After opening, the header can be easily removed from the case body, eliminating interference with tuck insertion and removal operations.
4Reliability
If seals are applied from top surface to side surfaces, then sealed state is achieved, but the sealing step becomes complex and hard to automate
Solution Approach 1:
The invention replaces the mechanical sealing process (applying seals from top surface to side surfaces) with an adhesive bonding system. The header is adhered to the rear surface through adhesive, creating a sealed state that is easier to automate in the manufacturing process while maintaining sealing 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 solution simplifies the manufacturing process, reduces labor costs, improves yield, and ensures irreversible opening, maintaining security and usability as a storage case post-purchase.
Implementation Method 1
an adhesive portion extending from the tear line... The adhesive portion is adhered to the top surface or the tab
Data Source
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AI summary
Case (10) for storing cards. The rear surface (12) includes a tear line (30) at its upper end and an upper adhesive margin (20) extending from the tear line (30). The top surface (15) is formed continuously from the upper end of the front surface (11) and includes a tab (19) extending from the rear-side (12) end, the tab (19) constituting a header (28). The upper adhesive margin (20) is adhered to the tab (19). When the case (10) is in a sealed state, separating the rear surface (12) and the upper adhesive margin (20) along the tear line(30) results in: (1) the case (10) being opened in a manner that leaves visible evidence of opening; and (2) after opening, the header (28) functions as a tuck, and the top surface (15) functions as a lid, allowing the case to continue to be used for housing the cards.