Pattern-Adhesive Label Sheet with Overhanging Tab for Retail
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Solution Overview
Problem
The application of conventional shelf edge labels is labor-intensive due to the difficulty in removing them from release liners, especially in retail environments where frequent changes are required, leading to significant time and cost inefficiencies.
Innovation Solution
The development of pattern-adhesive label-sheets with overhanging tabs or low-tack edges that allow easy grasping and removal from release liners, reducing the time spent on label application and utilizing less adhesive material, which can be supplied in rolls for efficient handling and printing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If conventional shelf edge labels with full adhesive coverage are used, then strong adhesion to shelf edge is achieved, but labor time for label application increases significantly
Solution Approach 1:
The adhesive coverage is segmented into two distinct zones: a high-tack adhesive region at the label head for strong shelf edge adhesion, and a low-tack or adhesive-free region at the label tail for easy release from the liner. This segmentation allows the label to be firmly attached where needed while enabling quick manual removal from the backing sheet without requiring full adhesive coverage across the entire label.
Solution Approach 2:
Different adhesive properties are applied to different regions of the label. The label head receives high-tack adhesive for maximum bonding strength to the shelf edge, while the label tail has either low-tack adhesive or no adhesive at all, creating a localized quality difference that facilitates easy release. This local quality approach optimizes both adhesion strength where required and release ease where not required.
2Reliability
If traditional release liners are used with full adhesive coverage, then complete label adhesion is ensured, but material usage and cost increase
Solution Approach 1:
Adhesive material is extracted from the label tail region entirely or partially, removing unnecessary adhesive application in areas where bonding is not required. This reduction in adhesive coverage maintains reliable adhesion at the label head while significantly reducing adhesive material consumption and associated costs.
Solution Approach 2:
Instead of applying adhesive across the entire label surface (excessive action), adhesive is applied only to the necessary portion at the label head (partial action). This partial adhesive application provides sufficient bonding reliability for shelf edge attachment while avoiding waste of adhesive material in the label tail region.
3Ease of operation
If employees manually remove labels from release liners, then label application is possible, but labor costs accumulate significantly over time
Solution Approach 1:
The label design enables self-service removal where the label tail acts as a built-in release handle that employees can easily grasp and pull. This self-service mechanism eliminates the need for employees to dig their fingernails under the label or use additional tools, making the removal process intuitive and efficient while improving overall label application productivity.
Solution Approach 2:
The label tail is pre-configured with low-tack or no adhesive during manufacturing, creating a built-in release feature before the label is ever applied. This preliminary action of reducing adhesive in the tail region during production enables easy manual removal later without requiring additional steps or tools during the label application process.
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 solution significantly reduces the time required to apply shelf edge labels, saves labor costs, and minimizes material usage, while maintaining effective adhesion to shelf edges and preventing residue on products.
Implementation Method 1
a second adhesive can be applied to the release liner and engages with the label body
Data Source
AI summary
A pattern-adhesive label-sheet comprises at least one label made of a face stock and a release liner. The label includes a label head with a first adhesive applied in a first pattern, a label body with a second adhesive applied in a second pattern, and a label tab. In some embodiments, at least part of the label tab overhangs the release liner. In some embodiments, a silicone coating can be applied to the label body and/or release liner.