Absorbent Package Folding Tabs for Structural Integrity
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Solution Overview
Problem
Existing film packaging for disposable absorbent articles is inadequate in retaining shape and structural integrity while minimizing space occupation and protecting contents from contaminants, with difficulty in accessing unused products due to scrunched packaging and lack of effective compaction features.
Innovation Solution
Incorporation of folding tabs made from stiffer material than the film, positioned along the package walls parallel to the opening, which facilitate easy opening and closing by causing the package to fold neatly over itself, reducing space and preventing contamination.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If film packaging is used for disposable absorbent articles, then the package can be formed and sealed, but the package loses structural integrity and shape retention when not full
Solution Approach 1:
The patent incorporates folding tabs into the package structure before use, which are pre-positioned to guide the closing action. These tabs create predetermined fold lines that direct the package walls to fold neatly over themselves, maintaining structural integrity during the closing process and preventing the package from collapsing or losing its shape when not full.
2Object-affected harmful factors
If excess film is scrunched together to close the packaging, then contaminants are prevented from entering, but access to unused products becomes difficult
Solution Approach 1:
The patent segments the closing function into two distinct parts: the folding tabs that create a neat folded closure, and the perforated opening path that provides easy access. The perforations are positioned to allow users to easily reopen the package by tearing along the pre-defined path, while the folding tabs maintain a structured closure that protects contents without requiring scrunching of the film.
3Ease of operation
If folding tabs are added to facilitate opening and closing, then ease of operation improves, but device complexity increases
Solution Approach 1:
The patent utilizes the existing flexible film material of the package to form the folding tabs, rather than introducing rigid or complex mechanical components. The folding tabs are created from the package walls themselves through scoring or perforating, allowing them to flex and fold naturally with the film material. This approach maintains the flexible nature of the packaging while adding the functional benefit of guided folding, thereby improving ease of operation without significantly increasing structural complexity.
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 folding tabs enable the package to be compacted to its minimum size, maintaining product hygiene and reducing space occupation while allowing easy access to unused items, effectively addressing the limitations of traditional film packaging.
Implementation Method 1
Incorporation of folding tabs made from stiffer material than the film, positioned along the package walls parallel to the opening, which facilitate easy opening and closing by causing the package to fold neatly over itself
Data Source
Figure 1
Figure 2
Figure 3A~3B
AI summary
A package containing a stack of folded disposable absorbent articles, the package being formed of flexible polymeric film defining a cuboid package having top and bottom surfaces and rear, front, first and second side walls. One or more folding tabs are provided proximal the top surface and extending along a width of one or both fo the first and second side walls. Each folding tab has a height of between 10mm and 50mm in a direction perpendicular to the length of the folding tab and comprises a higher bending stiffness than the flexible polymeric film.