Carton Insert Structure for Secure Lid Reclosure
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Solution Overview
Problem
Existing cartons lack effective opening and reclosing features, as well as inserts that can securely hold products and provide tamper evidence.
Innovation Solution
A carton design featuring a separable lid with an opening feature and a closing mechanism, combined with an insert that allows for secure reclosure and tamper evidence, using overlapping panels and specific tear lines for opening and closing functionality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a traditional carton design without opening features is used, then the structure is simple and manufacturing is easy, but the carton cannot provide easy access to products or secure reclosure
Solution Approach 1:
The lid is segmented from the main body along a separable opening feature, allowing the lid to be detached for product access while maintaining structural integrity of the carton body. This segmentation enables easy access functionality without requiring complex mechanical mechanisms.
Solution Approach 2:
The insert is pre-positioned within the carton at an overlapping relationship with the front panel, creating a closing feature that is ready to engage with the lid before use. This preliminary positioning enables secure reclosure without requiring additional assembly steps during operation.
2Reliability
If no closing feature is provided, then the carton structure remains simple, but the lid cannot be securely retained in reclosed position
Solution Approach 1:
The closing feature on the insert is designed to receive and nest the lid in a reclosed position, creating a secure retained state. The insert acts as a nested structure within the carton that provides the closing mechanism, adding reliability without significant structural complexity.
3Reliability
If no insert is provided, then the carton manufacturing process is simpler, but the carton cannot securely hold products or provide tamper evidence
Solution Approach 1:
The insert is merged with the carton blank in an overlapping relationship, where the insert serves dual functions: securing products within the carton and providing the closing feature for lid retention. This merging approach provides enhanced product holding security and tamper evidence while maintaining manufacturing efficiency.
4Ease of operation
If the lid is fully separable from the sidewall, then opening access is easy, but the reclosure mechanism becomes less secure
Solution Approach 1:
The lid is segmented from the sidewall along a controlled opening feature that allows easy separation for access. The segmentation is designed with specific geometry that enables the lid to be detached while the closing feature on the insert provides secure reclosure when the lid is returned to its original position.
Solution Approach 2:
The insert acts as an intermediary element between the lid and the carton body, providing a closing feature that mediates the reclosure process. The insert's closing feature engages with the lid to provide secure retention, serving as an intermediate mechanism that ensures both easy opening and secure reclosure.
Data Source
AI summary
A carton for holding one or more products. The carton can comprise a plurality of panels extending at least partially around an interior of the carton. The plurality of panels can comprise at least a front panel and an opposing back panel. The carton further can comprise a sidewall comprising at least a portion of the front panel and the back panel and a lid comprising at least a portion of the front panel and the back panel. The lid can be separable from the sidewall along an opening feature extending in at least the front panel. The carton also can comprise an insert in an overlapping relationship with at least a portion of the front panel. The carton further can comprise a closing feature extending in the insert for at least partially retaining the lid in a reclosed position.