Reinforced Cardboard Box With Glued Side Wings
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Solution Overview
Problem
Existing cardboard box structures suffer from poor stability during transport and displacement, material waste, and high manufacturing costs due to inefficient design and construction methods.
Innovation Solution
A reinforced cardboard box structure featuring a bottom and top wall formed from a one-piece elongate element with transverse fold lines, paired with second side walls glued to the bottom wall for enhanced stability, and a method involving cutting and gluing separate panels to minimize waste and eliminate the need for adhesive tape.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If boxes are made from cardboard sheets folded along creasing lines with large portions removed, then the box structure can be formed, but material waste increases and cannot be reused
Solution Approach 1:
The cardboard sheet is divided into separate functional panels (bottom wall panel, side wall panels, top wall panel) that are cut and assembled independently, allowing each panel to be optimized and reused if damaged, rather than wasting the entire sheet
Solution Approach 2:
The invention allows for recovery and reuse of cardboard material by cutting panels from a strip with precise dimensions, minimizing off-cuts and enabling individual panel replacement without discarding the entire box structure
2Loss of substance
If boxes are made from glued separate panels, then material waste is reduced, but the box structure becomes poorly stable and likely to bend and collapse
Solution Approach 1:
The box structure combines multiple cardboard panels with different orientations and reinforcement elements (corner pieces, edge strips) to create a composite structure that is both material-efficient and highly stable during transport
Solution Approach 2:
Panels are pre-cut and pre-reinforced with additional cardboard strips along edges and corners before assembly, ensuring structural stability is built into the components themselves rather than relying solely on adhesive bonding
3Ease of manufacture
If the top wall is made from a one-piece element, then manufacturing is simplified, but the top wall does not provide stable support to the side panels
Solution Approach 1:
The top wall assembly is segmented into a main top panel and separate reinforcement elements (edge strips, corner pieces) that are attached to provide structural support while maintaining manufacturing efficiency
Solution Approach 2:
Reinforcement is applied locally at critical areas (edges and corners of the top wall) rather than throughout the entire structure, providing necessary support where needed while keeping the overall design simple and cost-effective
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The solution provides a highly stable, cost-effective box with improved compression and flexural strength, reducing material waste and ensuring the box remains intact during filling and transport without using adhesive tape.
Implementation Method 1
the second side walls are glued to the bottom wall with one respective slide wing which overlaps the bottom wall to reinforce its longitudinal edges
Data Source
AI summary
A reinforced box for containing a plurality of items to be packaged includes a bottom wall and a top wall, a pair of first side walls and a pair of second side walls. The bottom wall, the top wall and the pair of first side walls are formed from a one-piece elongate element, which extends along a longitudinal axis and is formed with transverse fold lines. The pair of second side walls consists of two separate cardboard panels, and each of the walls is formed with longitudinal creasing lines defining pairs of first and second folded side wings. The pair of second side walls is glued to the bottom wall using a respective second side wing overlapping the bottom wall to reinforce its longitudinal edges. A method of making a box with a reinforced structure is also disclosed.