Activatable Adhesive Flap for Reclosable Container Opening
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Solution Overview
Problem
The manufacturing of reclosable containers for consumer goods is complex due to the precise application of adhesives and handling of adhesive labels, which complicates the packaging process and requires high precision to ensure smooth operation and ease of use.
Innovation Solution
A container design featuring an outer housing with a hinged lid and an inner package where a reclosable flap can be affixed to the lid using an activatable adhesive element, allowing consumers to selectively activate the adhesive for opening and closing, simplifying the manufacturing process and providing user control over the sealing mechanism.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a reclosable container with adhesive label is used to seal the inner package, then the container is resealable and can be opened and closed repeatedly, but the manufacturing process becomes complex and requires precise application of adhesive to predetermined portions
Solution Approach 1:
The adhesive label is segmented into two distinct functional portions: a first portion that permanently affixes the reclosable flap to the container, and a second portion that provides a removable seal over the opening. This segmentation allows the packaging apparatus to handle each portion separately, simplifying the application process while maintaining resealability.
Solution Approach 2:
The reclosable flap is pre-affixed to the container using the first portion of the adhesive label during the manufacturing process. This preliminary action ensures that the flap is permanently attached and ready for use, while the second portion of the adhesive is applied separately to create the removable seal, reducing the complexity of simultaneous adhesive application.
2Reliability
If precise amounts of glue are applied to predetermined portions of the inner surface of the lid, then the opening mechanism operates smoothly and reliably, but the manufacturing process requires high precision and complicated apparatus
Solution Approach 1:
The adhesive label is divided into two portions with distinct functions: the first portion permanently affixes the reclosable flap to the container, while the second portion creates a removable seal. This segmentation allows each adhesive portion to be applied with appropriate precision requirements, simplifying the overall manufacturing process while ensuring reliable operation.
Solution Approach 2:
The adhesive label acts as an intermediary element that mediates between the reclosable flap and the container. By using the adhesive label as a mediator, the system achieves reliable opening and closing mechanisms without requiring direct precision adhesive application between the flap and container surfaces, thereby reducing manufacturing complexity.
3Reliability
If the main portion of the adhesive label is applied over the extraction opening to seal the inner package, then the package is sealed, but the adhesive label must be handled carefully to prevent accidental bonding to the lid
Solution Approach 1:
The adhesive label is segmented into a first portion for permanent affixing and a second portion for removable sealing. This segmentation allows the second portion to be applied over the extraction opening without risk of accidental bonding to the lid, as it is designed to be removable. The first portion remains on the container to provide stable attachment, simplifying handling during operation.
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
This design simplifies the manufacturing process, reduces complexity, and allows consumers to verify the sealing quality and customize the opening mechanism, enhancing the preservation of goods and user experience.
Implementation Method 1
at least one activatable adhesive element provided on a surface of the reclosable flap, on a surface of the lid or on both
Data Source
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AI summary
A container for consumer goods comprises an outer housing having a box and a lid (103) hinged to the box along a hinge line and pivotable about the hinge line between an open position and a closed position. Further, the container comprises an inner package (104) of consumer goods within the outer housing comprising an access opening (105) for removing consumer goods when the lid is in the open position. The container further comprises a reclosable flap (106) occluding the access opening and at least one activatable adhesive element (107) provided on a surface of the reclosable flap, on a surface of the lid or on both. The adhesive element can be selectively activated, and the reclosable flap can be affixed to the lid by the activated adhesive element, such that upon opening the lid the reclosable flap is lifted off the inner package to at least partly reveal the access opening.