Carton Reinforced Handle Nested Layers
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Solution Overview
Problem
Conventional cartons lack a robust and reliable handle mechanism for securely carrying multiple beverage containers or other articles, often resulting in handle failure during use.
Innovation Solution
A carton design featuring a reinforced handle formed by multiple layers of material, with a main portion and a distal portion that are foldably connected and positioned to create a strengthened handle structure, utilizing tear lines and glue application to secure the handle portions, allowing for enhanced durability and ease of use.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a conventional single-layer handle is used, then the handle is simple to manufacture, but the handle reliability is poor and prone to failure
Solution Approach 1:
The handle structure employs nested layers where the distal portion is positioned within the main portion, creating a multi-layer reinforced handle. The distal portion's exterior surface contacts the interior surface of the main portion, forming a nested configuration that strengthens the handle without requiring separate components.
Solution Approach 2:
The handle is strengthened by adding a dimensional element - the distal portion extends from the main portion in a folded configuration. This creates a three-dimensional reinforced structure rather than a flat single-layer handle, with the distal portion forming an additional layer that contacts the main portion internally.
2Strength
If multiple layers are used to reinforce the handle, then the handle strength increases, but the manufacturing process becomes more complex
Solution Approach 1:
The top panel is segmented into two functional portions: the main portion that forms the primary handle structure, and the distal portion that folds back to reinforce the handle. This segmentation allows each portion to be optimized for its specific function while maintaining a unified manufacturing process from a single blank.
Solution Approach 2:
The main portion and distal portion are merged into a single continuous structure formed from one blank. The foldable connection between them allows the distal portion to be positioned within the main portion, creating a combined multi-layer handle that is manufactured as an integrated component rather than assembled from separate parts.
3Duration of action of stationary object
If the distal portion is positioned inside the main portion, then the handle durability increases, but the manufacturing precision requirements increase
Solution Approach 1:
The blank is pre-configured with fold lines and cut lines that guide the formation of the main portion and distal portion. The distal portion is pre-positioned in the blank at an angle that facilitates its subsequent folding into the main portion, ensuring proper alignment and contact between the layers during the forming process.
Solution Approach 2:
The distal portion is designed to be foldably connected to the main portion, allowing it to dynamically position itself within the main portion during carton formation. This foldable connection enables the distal portion to achieve the correct internal positioning through folding motion rather than requiring precise fixed positioning.
Data Source
AI summary
A carton for carrying a plurality of articles. The carton comprises a plurality of panels extending at least partially around an interior of the carton. The plurality of panels comprise at least a first top panel, a second top panel, at least one side panel, and a bottom panel. The first top panel and the second top panel are at least partially overlapped. At least one of the first top panel and the second top panel comprise a main portion foldably connected to the at least one side panel and a distal portion foldably connected to the main portion. The main portion has a first handle portion and the distal portion has a second handle portion. The distal portion has an exterior surface at least partially in face-to-face contact with the interior surface of the main portion. The carton further comprises a handle comprising at least the first handle portion and the second handle portion.