Peelable Label with Laminate Extension for Cylindrical Containers
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Solution Overview
Problem
Existing labels for containers lack a secure and accessible mechanism for displaying information, such as batch codes and expiry dates, which are prone to damage and difficult to access once applied, especially when applied to cylindrical surfaces.
Innovation Solution
A label design featuring a back sheet with adhesive, a leaflet secured to the front sheet, and a laminate layer with an extended part and transverse line of weakening, allowing for peelable and re-attachable access to the leaflet while protecting the information with a laminated extension that encloses the edges, enabling secure attachment to cylindrical containers.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If a label is applied to a cylindrical container surface, then the label provides information display, but the information becomes difficult to access and is prone to damage
Solution Approach 1:
The label is divided into distinct functional layers: a back sheet with adhesive, a leaflet containing the information, and a laminate layer with an extended part. The laminate layer is further segmented with a transverse line of weakening that allows it to be peeled back, creating accessible segments while maintaining overall label integrity on the cylindrical surface.
Solution Approach 2:
The laminate layer's extended part is designed to be dynamically accessible through the transverse line of weakening, allowing users to peel back the laminate to access the leaflet information when needed, then re-attach it. This dynamic access mechanism transforms static, damaged information into dynamically accessible information without compromising the label's adherence to the cylindrical container.
2Reliability
If information is displayed on a label applied to a container, then the label serves its informational purpose, but the information is prone to damage
Solution Approach 1:
The laminate layer acts as a flexible protective film that covers and protects the leaflet information. This thin film layer shields the information from external harmful factors such as moisture, abrasion, and contamination while remaining transparent or translucent to allow the information to be displayed through it when the label is in its closed state.
Solution Approach 2:
The leaflet is nested within the label structure, specifically positioned between the back sheet and the laminate layer. This nesting arrangement protects the information-containing leaflet from external damage while keeping it accessible through the peeling mechanism of the laminate layer's extended part.
3Reliability
If a label structure includes multiple layers for protection and access, then information security is improved, but the device complexity increases
Solution Approach 1:
Multiple functional elements are merged into a single integrated label structure: the back sheet with adhesive, the leaflet with information, and the laminate layer with extended part and transverse line of weakening are combined into one cohesive unit. This merging provides protective and access functions without requiring separate components, thereby reducing overall structural complexity while maintaining information security.
4Ease of operation
If the laminate layer has an extended part with a transverse line of weakening, then access to the leaflet is enabled, but the manufacturing precision requirements increase
Solution Approach 1:
The transverse line of weakening is strategically positioned in a specific location on the laminate layer's extended part, creating a localized feature that enables access without affecting the overall label structure. This local quality approach allows the line of weakening to be precisely positioned only where needed for access, rather than requiring high precision throughout the entire label manufacturing 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
The solution provides a secure and accessible means to display information on containers, protecting it from damage and allowing easy access to the leaflet while maintaining a secure attachment, even on cylindrical surfaces, and allows for convenient storage and application of multiple labels.
Implementation Method 1
a back sheet having adhesive on its rear surface
Implementation Method 2
a laminate layer having an adhesive on its rear surface secured to and covering the front sheet
Data Source
Figure 1
Figure 2
Figure 3~4
AI summary
There is provided a label (10) for attachment to an article such as a container (11). The label has a back sheet (15) and a leaflet (17) which has a front sheet (18), a first transverse edge (19) and a second transverse edge (20). The front sheet has a laminate layer (30) having an extended part (33) which extends in a lengthwise direction away from the second transverse edge (20), to a free edge (36) and which has a transverse line of weakening (35). The line of weakening (35) is adjacent, but spaced from the second transverse edge (20) and is spaced from the free edge (36) by a lengthwise distance at least the length between the first and second transverse edges (19, 20). When attached to the container (11), the extended part (33) extends around the container periphery and overlaps and is adhered to the laminated front sheet with the free edge (36) disposed between the second transverse edge (20) and the line of weakening (35).