Reclosable Bag Integrated Adhesive Flap Design
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current multi-use bags for returning products are inefficient as they require additional packaging materials and generate waste, lacking a convenient and waste-minimal method for reclosing after product inspection and return.
Innovation Solution
A reclosable bag design featuring first and second plies with a seal near the bottom, reclosing material on an interior surface, and a release material between the plies, allowing for a reclosing flap to be formed and adhered to the exterior for secure closure without additional materials.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If traditional multi-use bags with separate adhesive strips and release liners are used, then the bag can be opened and closed, but additional packaging materials are required and waste is generated
Solution Approach 1:
The adhesive and release liner are merged into a single integrated reclosing material layer. The reclosing material comprises adhesive portions for bonding and release liner portions for easy removal, eliminating the need for separate adhesive strips and release liners. This integration allows the bag to be reclosed using only the bag material itself, preventing additional packaging waste.
Solution Approach 2:
The reclosing material serves multiple functions within a single component: it provides adhesive bonding to seal the bag opening, includes release liner portions that can be easily removed for reopening, and forms structural flap portions for creating the reclosing mechanism. This multi-functionality eliminates the need for multiple separate packaging materials.
2Reliability
If separate adhesive strips and release liners are used for reclosing, then the bag can be sealed, but the device complexity increases with multiple components
Solution Approach 1:
Multiple functional components (adhesive, release liner, flap structure) are merged into a single integrated reclosing material layer formed from the bag material itself. This reduces the number of separate components while maintaining reliable sealing through the adhesive portions that bond to the bag body.
Solution Approach 2:
The reclosing material is segmented into functional portions (adhesive portions, release liner portions, flap portions) within a single integrated layer. This segmentation allows each function to be optimized while maintaining overall simplicity, as all portions are formed from the same material without requiring separate components.
3Ease of operation
If perforated strips are used for opening the bag, then the bag can be opened easily, but the structure becomes more complex with additional perforation lines
Solution Approach 1:
The reclosing material is prepared in advance with adhesive portions and release liner portions integrated into the bag material before the bag is sealed. The opening line is pre-formed through the bag material, allowing easy opening without requiring complex perforated strips. The preliminary integration of the reclosing material ensures that all components are ready for use without additional 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
Enables easy product retrieval and return without additional packaging, minimizing waste by allowing the bag to be reclosed using integrated materials, facilitating convenient and eco-friendly product returns.
Implementation Method 1
a reclosing material disposed on an interior surface of one of the first and second plies; and a release material disposed between the reclosing material and the other of the first and second plies
Data Source
AI summary
A reclosable bag includes: first and second plies extending from a first side to a second side and from atop bottom to a top; a seal joining the first and second plies arranged near the bottom of the bag; a reclosing material disposed on an interior surface of one of the first and second plies; a release material disposed between the reclosing material and the other of the first and second plies; and a bag opening zone extending between the top and the bottom.