Resealable Multi-Ply Label with Reusable Bond
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Solution Overview
Problem
Existing resealable multi-ply labels require additional space for information and regulatory compliance, but their design is complex and costly to manufacture, limiting flexibility and efficiency.
Innovation Solution
A simplified design that replaces the upper label ply with a face panel onsert, using a base ply with an adhesive layer and an overlaminate that captures the onsert, allowing for additional label space and flexibility in panel arrangement, while eliminating a manufacturing layer.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of moving object
If a conventional three-ply design with upper label ply, base label ply, and overlaminate is used, then additional label space is provided, but manufacturing complexity and cost increase
Solution Approach 1:
The invention extracts and eliminates the upper label ply from the conventional three-ply structure. The base label ply is die-cut to define a tab area that is permanently bonded to the overlaminate, while the attachment area remains reusable. This simplification maintains the multi-panel label space functionality while reducing manufacturing steps and material layers.
Solution Approach 2:
The base label ply serves multiple functions: it provides the structural base, contains both permanent and reusable bond areas, and defines the tab for manipulation. The overlaminate serves as both the closure layer and the carrier for the reusable bond. This multi-functionality reduces the need for separate upper label ply components.
2Ease of operation
If an upper label ply with die-cut tab area is used, then reusable bond functionality is achieved, but the number of layers and manufacturing steps increase
Solution Approach 1:
The invention merges the functions of the upper label ply's tab area into the base label ply itself. The base label ply is die-cut to create a tab area that is permanently bonded to the overlaminate, eliminating the need for a separate upper label ply while maintaining the reusable bond functionality through the overlaminate's adhesive properties.
3Reliability
If three primary substrates (plies) are mounted on carrier web, then complete label structure is formed, but manufacturing time and production cost increase
Solution Approach 1:
The invention extracts and eliminates the upper label ply from the three-ply structure, reducing the number of substrates that need to be mounted on the carrier web. This simplification maintains label structure integrity through the permanent bond between the base label ply's tab area and the overlaminate, while improving manufacturing efficiency by reducing lamination steps.
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 provides increased flexibility and reduced manufacturing complexity, enabling more efficient production of resealable multi-ply labels with additional label space for information and promotional content, while maintaining reusable bonds and visibility.
Implementation Method 1
The overlaminate permanently bonds to both the hinge area and the tab area on the top surface of the base ply and reusably bonds to the attachment area on the top surface of the base ply
Data Source
AI summary
Resealable multi-ply labels are made from webs along an inline press that include a base label ply and an overlaminate for capturing onserts between them. The base label plies carry an adhesive layer on the bottom surface for mounting the resealable multi-ply labels to articles. The base plies each include a hinge area, an attachment area, a tab area, and an intermediate area separating the hinge area from the attachment area. The overlaminates form permanent bonds with both the hinge areas and the tab areas of the base plies and form reusable bonds with the attachment areas of the base plies. The permanently bonded tab areas of the base plies provide access for releasing the overlaminates from the attachment areas of the base plies and exposing the onserts.