Reclosable Carton Lid With Hinged Intermediate Panels
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Solution Overview
Problem
Existing carton designs lack effective reclosable features that allow easy access and resealing, making them inconvenient for holding and dispensing various shaped products like food items.
Innovation Solution
A carton design featuring a plurality of panels with a hinge and a reclosable lid formed by foldably connected intermediate panels, allowing the lid to pivot between closed and open positions, facilitating easy access and resealing through tear lines and adhesive application.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a traditional carton design without reclosable features is used, then the structure is simple and manufacturing is easy, but access to the interior requires complete opening and resealing is not possible
Solution Approach 1:
The lid is divided into multiple segments including a main lid body and a separable reclosable portion with hinge mechanism. This segmentation allows the lid to function as both a simple cover and a reclosable mechanism, enabling repeated access while maintaining structural simplicity.
Solution Approach 2:
The lid transitions from a static closed structure to a dynamic system with hinge-connected reclosable portions that can pivot between open and closed positions. This dynamic element enables repeated opening and closing operations without compromising the overall carton structure.
2Reliability
If a reclosable lid with hinge and intermediate panels is added, then repeated access and resealing is enabled, but the device complexity increases
Solution Approach 1:
The reclosable portion is nested within the main lid structure, with intermediate panels folded within the lid's overall geometry. This nesting approach allows the reclosable mechanism to be integrated into the existing lid without adding external complexity or requiring separate structural elements.
Solution Approach 2:
The hinge connections and intermediate panels are pre-configured during manufacturing to enable the reclosable function. The tear lines and adhesive application areas are prepared in advance, allowing the reclosable mechanism to function reliably without requiring complex assembly or additional operational steps during use.
3Ease of operation
If tear lines and adhesive application areas are incorporated, then easy opening and resealing is achieved, but manufacturing precision requirements increase
Solution Approach 1:
Tear lines and adhesive application areas are applied locally at specific positions on the lid rather than throughout the entire structure. This localized approach concentrates the precision requirements at only the critical opening and sealing locations, while the rest of the lid can be manufactured with standard precision tolerances.
Solution Approach 2:
The tear lines are designed as permanent features in the blank that create controlled weakness points during use, while adhesive application areas use removable adhesive materials that can be applied and removed without affecting the structural integrity of the carton. This approach separates the permanent structural elements from the temporary functional elements, reducing overall manufacturing precision requirements.
Data Source
AI summary
A carton for holding a product is disclosed. The carton comprises a plurality of panels that extends at least partially around an interior of the carton. The plurality of panels comprises a front panel, a back panel, a first side panel, and a second side panel. The carton further comprises a hinge in at least one of the plurality of panels and a reclosable lid pivotably attached to the carton. The reclosable lid comprises a first intermediate panel foldably connected to at least one of the plurality of panels and a second intermediate panel foldably connected to the first intermediate panel. The first intermediate panel is positioned in face-to-face contact with the second intermediate panel. The reclosable lid is pivotable at the hinge between a closed position preventing access to the interior of the carton and an open position allowing access to the interior of the carton.