Refastenable Pant Side Panel Segmentation and Adhesive Bonding
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
The manufacturing processes for refastenable absorbent sanitary products, such as training pants, are complex, expensive, and prone to reliability issues, despite their effectiveness.
Innovation Solution
A method for producing refastenable training pants using hook and loop closure elements that prevents curling during production, involving a chassis with foldable side panels and breakable bonds for securement, allowing for easy opening and re-closure without damaging the product.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional manufacturing processes are used for refastenable absorbent sanitary products, then the products achieve refastenable functionality, but the manufacturing process becomes complex and expensive
Solution Approach 1:
The side panels are divided into separate segments that can be independently folded and secured. Each side panel includes a free end that can be folded back and attached to the body of the diaper using adhesive tabs, allowing the refastenable function to be achieved through simple modular components rather than complex integrated mechanisms.
Solution Approach 2:
The side panels are pre-folded during manufacturing to create the necessary configuration for refastening. The adhesive tabs are pre-positioned on the side panels, and the panels are pre-attached to the diaper body in a specific orientation, so that when the product is used, the refastening action simply requires peeling and repositioning rather than complex assembly.
2Ease of operation
If refastenable side closures are implemented, then the product can be opened and re-closed, but the manufacturing apparatus becomes expensive and unreliable
Solution Approach 1:
The invention uses simple adhesive tabs instead of complex mechanical fastening mechanisms. These adhesive tabs are inexpensive disposable components that are applied during manufacturing and then discarded or reused a limited number of times by the consumer. This replaces expensive, complex, and potentially unreliable mechanical refastening apparatus with simple adhesive chemistry.
Solution Approach 2:
The adhesive tabs are self-adhering components that require no external power source, motor, or complex actuation mechanism. The consumer simply peels the tab from its backing and presses it onto the diaper body to secure the side panel, making the fastening system self-service and eliminating the need for expensive automated fastening apparatus during manufacturing.
3Ease of operation
If side panels are made foldable for refastening, then user convenience is improved, but the manufacturing process becomes more difficult
Solution Approach 1:
The side panels are pre-folded during the manufacturing process to create the necessary configuration for refastening. This preliminary folding action is performed using simple folding equipment rather than complex assembly machinery, and the folded panels are then secured with adhesive tabs to maintain the folded configuration during shipping and storage.
Solution Approach 2:
The side panels are constructed from flexible materials that can be easily folded and manipulated. The flexibility of these thin film or fabric panels allows them to be folded back and repositioned by the consumer, and the same flexibility enables simple folding operations during manufacturing rather than requiring rigid structures with complex joints and mechanisms.
Data Source
Figure 1
Figure 2
Figure 3
AI summary
A prefastened, refastenable pant and methods and apparatus for preparing the same are provided. The pant comprises a chassis having a leading and trailing edge, and first and second lateral edges, wherein the chassis is folded-over along a transverse fold line orthogonal to the first and second lateral edges of the chassis. A pair of first side panels may be attached to the chassis proximal one of the leading and trailing edge of the chassis, each comprising a first fastening component. A pair of second side panels may be attached to the chassis proximal another of the leading and trailing edge of the chassis, each comprising a second fastening component. Each of the pair of first side panels is detachably secured to the chassis and the first fastening components and second fastening components are refastenably engaged between the first and second lateral edges of the chassis.