Packaging Carrying Handle Segmented Adhesive Bonding
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Solution Overview
Problem
Existing packaging solutions for goods require high effort to open and may have cumbersome carrying handles, making them inefficient for quick packing, transportation, and unpacking.
Innovation Solution
The use of sealing adhesive elements along the boundary line between packaging parts, integrated with a carrying handle that extends along this line, provides additional stabilization during transport and simplifies unpacking by allowing immediate detachment of packaging parts after adhesive removal.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a carrying handle is firmly and permanently attached to the packaging with adhesive extending to the upper edge, then the packaging provides stable transport and easy carrying, but opening the packaging requires relatively large effort and the handle must be relatively long
Solution Approach 1:
The adhesive attachment is divided into two distinct zones: a first zone with strong adhesive bonding extending partway along the handle, and a second zone with reduced or no adhesive near the upper edge. This segmentation allows the handle to be firmly attached for stable carrying while creating a release point that reduces the force needed to open the packaging.
Solution Approach 2:
Different portions of the handle have different adhesive properties: the lower portion has strong adhesive bonding for secure attachment and stability during transport, while the upper portion has reduced or no adhesive to facilitate easy opening. This local differentiation of adhesive quality resolves the contradiction between secure attachment and easy opening.
2Stability of the object's composition
If the adhesive bond extends continuously to the upper edge of the packaging body, then the carrying handle provides stable support, but the handle must be relatively long to provide sufficient leverage for opening
Solution Approach 1:
The adhesive bond is segmented into a first zone extending from the lower edge partway along the handle, and a second zone with reduced adhesive near the upper edge. This segmentation provides stable support through the first zone while the shortened handle length is compensated by the mechanical advantage of the release tab mechanism in the second zone.
Solution Approach 2:
A release tab mechanism acts as an intermediary between the user's opening force and the handle attachment. The release tab provides a mechanical advantage that reduces the handle length needed while maintaining sufficient leverage for opening, thus resolving the contradiction between stability and handle length.
3Ease of operation
If separate mechanisms are used for carrying handle attachment and packaging closure, then the packaging can be carried easily, but opening and closing requires additional complexity and effort
Solution Approach 1:
The carrying handle attachment and packaging closure functions are merged into a single integrated system. The same adhesive elements that attach the handle to the packaging body also serve as the closure mechanism for sealing the packaging. This eliminates the need for separate mechanisms, reducing complexity while maintaining ease of carrying.
Solution Approach 2:
The adhesive elements perform multiple functions: they attach the carrying handle to the packaging body for easy carrying, and they simultaneously serve as closure elements for sealing the packaging. This multi-functionality reduces device complexity while maintaining carrying ease.
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
This solution enables comfortable transportation and easy unpacking of goods by providing a holding force that closes the packaging and allows for a firm, stable connection between parts, while minimizing the effort required to open the package.
Implementation Method 1
The sealing adhesive elements are arranged at the ends of the carrying handle... by applying the sealing adhesive elements, with one adhesive side of each element in contact with an edge of the first packaging part and with an edge of the second packaging part, a firm and load-bearing connection between the packaging parts is achieved
Data Source
Figure 1~2
AI summary
The invention relates to a packaging for receiving packaged goods, comprising a packaging body (1) containing several packaging sides (10, 11, 11', 11'') to form a substantially closed packaging volume, wherein the packaging body has a first packaging part (2) and at least one second packaging part (2) forming a boundary line (G) between an edge section (8) of the first packaging part and an edge section (9) of the second packaging part, with a carrying handle (12) which is connected to the packaging in a fixing section (13) via sealing adhesive elements (14) arranged at a distance from each other and which has a carrying loop (21) for grasping the carrying handle in a non-fixing section (20).wherein at least two sealing adhesive elements (14) are each exclusively adhered to an edge section (8) of the first packaging part (2) and to an edge section (9) of the second packaging part (3) and that the carrying handle (12) runs along the boundary line (G) of the packaging body (1)..