Peelable Adhesive Reclose Package Structure
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing packaging solutions with mechanical closures are complex, costly, and often fail to provide hermetic seals, making them difficult to use and prone to leaks, especially when attempting to reclose after initial access.
Innovation Solution
A package design featuring a first wall and second wall with a peelable adhesive layer, lines of weakness, and a seal positioned between these lines, allowing for easy opening and reclosing without leaks, using a combination of peelable and permanent adhesive layers and a release agent to facilitate smooth operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If separate mechanical closures are applied to packaging, then reclose capability is achieved, but device complexity and manufacturing cost increase
Solution Approach 1:
The patent merges the closure mechanism directly into the packaging film structure by integrating adhesive layers, release liners, and tear lines into the film itself. This eliminates separate mechanical closure components while maintaining reclose capability through adhesive bonding that can be repeatedly applied and removed along designated tear lines.
Solution Approach 2:
The packaging film serves its own closure function through integrated adhesive properties. The film's own adhesive layers bond the opening to itself, creating a self-contained reclose system without requiring external mechanical fasteners or separate closure components.
2Adaptability or versatility
If zippers are applied to film rolls, then reclose capability is achieved, but handling difficulty increases due to bulkiness
Solution Approach 1:
The patent extracts the closure functionality from bulky external zipper components and embeds it directly into the film structure. This integration eliminates the need for separate zipper attachments that would increase film roll bulk, while maintaining the reclose capability through the film's own adhesive and tear line features.
3Adaptability or versatility
If separate mechanical closures are used, then reclose function is achieved, but hermetic sealing is compromised
Solution Approach 1:
The patent combines the sealing function with the closure mechanism by using adhesive layers that create both the mechanical bond for reclosing and the hermetic seal. The adhesive bonding surface integrates both functions, ensuring that when the film is reclosed, both mechanical attachment and airtight sealing are achieved simultaneously.
4Adaptability or versatility
If complex manufacturing processes are used to apply mechanical closures, then reclose capability is achieved, but production cost increases
Solution Approach 1:
The packaging film manufactures its own closure mechanism through integrated adhesive layers and release liners that are applied during the film extrusion process. This self-contained approach eliminates the need for separate mechanical closure assembly operations, reducing manufacturing complexity and cost while maintaining reclose functionality.
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 package is easy to manufacture, use, and maintain a hermetic seal both initially and after reclosure, reducing complexity and cost while ensuring reliable sealing and easy access.
Implementation Method 1
The first wall comprises an exterior layer, an interior layer, and a peelable adhesive layer positioned between the exterior layer and the interior layer
Data Source
AI summary
A package is described. The package comprises a first wall, a second wall, and a first seal. The first wall comprises an exterior layer, an interior layer, and a peelable adhesive layer positioned between the exterior layer and the interior layer. The interior layer comprises a first Sine of weakness and a second Sine of weakness, and the peelable adhesive layer comprises a peelable adhesive region and a first void. The first void is aligned with the first Sine of weakness. The first seal is positioned between the first line of weakness and the second line of weakness, and a first end portion of the first seal is aligned with the first void. Various embodiments of the package are also described.