Packaging Machine Partial Cover Seal for Product Insertion
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Solution Overview
Problem
Existing packaging methods often result in products being trapped between the package base and the cover layer, leading to defective packages due to the lack of access to the pocket formed in the package base.
Innovation Solution
A packaging machine with a forming station that creates a package base with a pocket, a first cover application station that partially covers the pocket with a first cover layer, allowing product insertion, and a second cover application station that seals the pocket with a second cover layer, preventing product entrapment and ensuring complete coverage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If the cover layer is attached to the package base before product insertion, then the sealing process is simplified, but product entrapment occurs between the package base and cover layer
Solution Approach 1:
The patent applies preliminary action by forming the pocket in the package base before attaching the cover layer, and by positioning the cover layer to partially cover the pocket before product insertion. This allows the sealing process to be simplified while preventing product entrapment, as the pocket is already formed and accessible when the cover layer is attached.
Solution Approach 2:
The patent segments the cover layer attachment process into two stages: first attaching the cover layer to partially cover the pocket, then inserting the product into the accessible pocket area. This segmentation allows the sealing process to be simplified while preventing product entrapment between the package base and cover layer.
2Manufacturing precision
If the pocket is completely covered by the cover layer, then seal quality is improved, but product access to the pocket is blocked
Solution Approach 1:
The patent applies local quality by positioning the cover layer to partially cover the pocket rather than completely covering it. This creates a localized uncovered area that provides access for product insertion while maintaining seal quality in the covered areas. The cover layer is attached to the package base in a specific pattern that balances sealing and accessibility.
3Reliability
If the package base is formed with a pocket, then product containment is improved, but product entrapment occurs during sealing
Solution Approach 1:
The patent applies preliminary action by forming the pocket in the package base before attaching the cover layer. This ensures that the pocket is already formed and accessible when the cover layer is attached, preventing product entrapment while maintaining product containment. The pocket is formed in advance to accommodate the product without causing entrapment during the sealing process.
Data Source
AI summary
A method of forming a package includes forming, at a forming station of a packaging machine, a package base in a film so that the package base has a pocket. The method further includes attaching, at a first cover application station of the packaging machine, a first cover layer on the package base so that the first cover layer partially covers the pocket, and so that access to the pocket is provided to position a product in the pocket after the first cover layer has been attached to the package base.