Fully Enclosed Carton With Push-Through Flaps
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Solution Overview
Problem
Conventional cartons made of corrugated board or other materials fail to effectively enclose and protect articles, particularly bottles, due to leakage issues when damaged and lack of structural integrity during handling and distribution.
Innovation Solution
A fully enclosed paperboard carton design featuring hingedly connected end panels, gusset panels, and push-through flaps, with a tray-like base for containment and a water-resistant coating to prevent leakage, along with angled creases for corner protection and improved carrying functionality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional corrugated board cartons are used, then the structure is simple and easy to manufacture, but the carton fails to effectively enclose and protect articles, particularly bottles, due to leakage issues and lack of structural integrity
Solution Approach 1:
The carton is divided into multiple functional segments including a base, tapered sides, perpendicular end panels, gusset panels, and push-through flaps. Each segment serves a specific protective or functional purpose, with the end panels providing full enclosure and the gusset panels reinforcing corner areas to prevent leakage and damage while maintaining manageable manufacturing complexity through modular construction
Solution Approach 2:
The carton employs composite construction combining paperboard material with specific structural configurations including perpendicular end panels, gusset panels, and water-resistant coatings. This composite approach integrates multiple structural elements (end panels hingedly connected to base and sides, gusset panels foldably connected) to achieve superior leakage protection and structural integrity compared to conventional single-structure cartons
2Strength
If the carton uses perpendicular end panels with tapered sides, then structural integrity during handling and distribution is improved, but manufacturing complexity increases
Solution Approach 1:
The carton incorporates dynamic folding elements including end panels hingedly connected to the base and sides, and gusset panels foldably connected at corners. These hinged and foldable connections allow the carton to be collapsed flat for efficient storage and shipping, then easily erected into the strong perpendicular configuration during use, balancing structural integrity with manufacturing and distribution efficiency
Solution Approach 2:
The design transitions from a simple rectangular prism to a more complex three-dimensional structure with perpendicular end panels and tapered sides. This dimensional complexity is managed through hinged connections that allow the structure to be flattened into a two-dimensional blank for manufacturing, then folded into the three-dimensional strong structure during assembly, reconciling structural strength with ease of manufacture
3Ease of operation
If push-through flaps are added for carrying functionality, then ease of use is improved, but device complexity increases
Solution Approach 1:
The push-through flaps are designed to be manipulated by the user's fingers pushing through openings in the end panels. This self-service mechanism allows the flaps to be easily opened and closed without additional latches, locks, or complex fastening systems. The flaps remain hingedly connected to the end panels, providing automatic return to closed position and maintaining full enclosure while offering simple user-operated access for carrying and handling
Data Source
AI summary
A fully enclosed paperboard carton having a top, a base, a pair of oppositely disposed sides and a pair of oppositely disposed end panels. Each end panel being substantially planar and perpendicular to the base and top. Each side having a lower portion that is substantially planar and perpendicular to the base and an upper portion that is substantially planar and tapers inwardly towards its edge connection with the top.