Flat-Pack Corrugated Cardboard Drum Packaging Assembly
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Solution Overview
Problem
Current drum packaging methods result in breakage during transportation, are time-consuming to assemble, occupy excessive storage space, and are heavy due to the weight of inner drums, leading to potential damage to the outer drum.
Innovation Solution
A flat-pack packaging assembly using corrugated cardboard, cut and folded into specific forms without glue or metal fittings, providing a buffer that secures and absorbs shocks, allowing drums to be efficiently packed into smaller volumes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If smaller drum shells are packaged into bigger drum shells to reduce package size, then transportation volume is reduced, but breakage occurs during transportation
Solution Approach 1:
The patent introduces a packaging assembly made of corrugated cardboard as an intermediary buffer material between nested drums. This packaging assembly includes buffer sections that fit in the annular space between inner and outer drums, preventing direct contact and reducing breakage while maintaining compact packaging volume.
2Adaptability or versatility
If packaging assemblies are made without fixed form to accommodate different drums, then versatility is improved, but assembly time increases significantly
Solution Approach 1:
The packaging assembly is pre-cut into a specific pattern with perforations and designated folding lines that allow it to be quickly assembled into a predetermined three-dimensional shape. This preliminary preparation of the flat sheet pattern enables fast assembly while maintaining the ability to accommodate different drum sizes through the buffer section design.
3Reliability
If packaging assembly is made bulky to provide adequate buffering, then drum protection is improved, but storage space after use increases
Solution Approach 1:
The packaging assembly is designed as a flat-sheet pattern that segments the buffering function into specific buffer sections located only where needed between the nested drums. This segmented approach provides adequate protection while allowing the entire assembly to be collapsed into a minimal storage volume after use, as only the necessary buffering portions are deployed.
4Strength
If the packaging assembly uses glue or metal fittings to secure structure, then structural strength is improved, but manufacturing complexity and cost increase
Solution Approach 1:
The packaging assembly utilizes the self-interlocking properties of corrugated cardboard, where folded flaps and buffer sections naturally secure the structure through friction and geometric interlocking. The corrugated structure itself provides strength through its inherent rigidity, eliminating the need for additional fasteners or adhesives and simplifying both manufacturing and assembly.
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 reduces transportation and storage costs, minimizes space usage, enhances packaging strength, and prevents drum damage by dispersing weight evenly, enabling safe and efficient storage of drums in minimal packaging material.
Implementation Method 1
A part of packaging assembly which is folded increases the strength of the packaging members and protects the commercial products inside and absorbs shocks from outside at the same time
Implementation Method 2
A part of packaging assembly which is folded increases the strength of the packaging members
Data Source
AI summary
Provided is an inexpensive packaging member whereby musical drums can be packaged for transportation, in a short time and in the most compact manner, and can be safely transported. The packaging member can be inexpensively produced using a simple structure whereby cardboard or other sheet member is cut in a predefined shape and perforations are made therein. Furthermore, the packaging member is flat-packed and therefore does not occupy space during transportation and storage. In addition, packaging time can be shortened and drums can be safely transported. The flat-packed packaging member can be reused countless times if the contents are the same size.