Carton Reinforcing Panel Bridge for Structural Integrity
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Solution Overview
Problem
Existing carton designs fail to provide a secure and accessible means for transporting and returning multiple primary product containers from a point of sale to a recycling point while maintaining structural integrity.
Innovation Solution
A carton design featuring a plurality of panels with handle panels, reinforcing panels, and a weakened line of severance for access, allowing for easy access to products while maintaining structural integrity for reuse.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If a simple carton structure is used, then manufacturing cost is reduced, but structural integrity for reuse is compromised
Solution Approach 1:
The carton is pre-assembled with all panels, reinforcing members, and sealing structures in place during manufacturing. The gusseted corners and rigid panels are pre-formed to provide immediate structural integrity upon use, eliminating the need for complex assembly by the consumer while maintaining strength for reuse.
Solution Approach 2:
The carton employs composite construction combining rigid panels for structural framework, flexible sealing members for closure, and reinforcing members (such as ribs or stiffeners) integrated into the panel structure. This multi-material approach optimizes both strength for reuse and manufacturability through standardized components.
2Reliability
If a secure sealing structure is provided, then product containment is improved, but access to products becomes more difficult
Solution Approach 1:
The sealing structure incorporates movable or removable components such as flip-top closures, snap-fit lids, or tear-strip seals that transition from a sealed state to an open state. These dynamic sealing mechanisms maintain secure containment during transport but allow easy access when needed, resolving the contradiction between reliability and ease of operation.
Solution Approach 2:
The carton is divided into separable components including removable lids, detachable sealing flaps, or modular panels. This segmentation allows the sealing structure to provide secure containment when assembled while enabling easy access by detaching or opening specific sections without compromising overall product containment integrity.
3Device complexity
If the carton is designed for single-use, then manufacturing simplicity is maintained, but reuse capability for return transport is lost
Solution Approach 1:
The carton is designed with universal features including reinforced carry handles, stackable configurations, and durable materials that enable the same structure to serve multiple functions: initial product transport, consumer carrying, and return transport of empty containers. This multi-functionality maintains manufacturing simplicity while adding reuse capability through intelligent design rather than additional components.
Solution Approach 2:
The carton incorporates pre-formed protective features such as cushioning panels, reinforced corners, and stress-distribution structures designed beforehand to withstand repeated handling and transport conditions. This prior cushioning enables reuse for return transport without requiring complex modifications, maintaining manufacturing simplicity while ensuring durability for multiple uses.
Data Source
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AI summary
A carton (1) comprising a plurality of panels for forming a base panel (12), first and second side walls (14, 24) and first and second top panels (16, 22) coupled to one another by first and second handle panels (18, 20) wherein the first and second handle panels are in substantial face contacting relationship such that the first and second top panels form a top wall of the carton and wherein a reinforcing panel (34a, 34b) is provided in face contacting relationship with both the first and second top panels such that the reinforcing panel forms a bridge connecting between the first and second top panels whereby a portion of each of the first and second top panels is at least two-ply in structure.