Label Assembly Liner Cut with Curved Portions
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Solution Overview
Problem
Label assemblies with ties between perforations are prone to generating liner remnants when the liner is removed, obstructing the view of printed material and interfering with label application, and lack structural integrity to prevent unwanted folding during manufacturing.
Innovation Solution
Designing label assemblies with a cut in the liner that includes a first curved portion at one edge and a second curved portion at the opposite edge, eliminating ties to reduce liner remnants and enhancing structural integrity to prevent folding.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If ties are added between perforations in the liner, then structural integrity is improved and unwanted folding is prevented, but liner remnants are generated when the liner is removed from the label
Solution Approach 1:
The patent removes the harmful element (ties) from the liner structure between perforations, extracting only the necessary functional portions while eliminating the cause of liner remnants. This allows the liner to be cleanly removed without leaving residual material on the label.
Solution Approach 2:
The liner is segmented into distinct portions: a first liner portion attached to the first label portion, a second liner portion attached to the second label portion, and intermediate liner portions between perforations that are intentionally left without ties. This segmentation enables clean separation and removal of liner portions without generating remnants.
2Object-generated harmful factors
If ties are removed from between perforations in the liner, then liner remnants are minimized when the liner is removed, but structural integrity deteriorates causing unwanted folding during manufacturing
Solution Approach 1:
The liner structure applies different qualities to different regions: ties are present at critical locations (between label portions and at edges) to maintain structural integrity, while ties are intentionally absent in intermediate regions between perforations to prevent liner remnants. This localized differentiation resolves the contradiction by applying the right structural feature in the right location.
3Ease of operation
If a continuous cut is formed in the liner between liner portions, then ease of liner removal is improved, but structural integrity during manufacturing deteriorates causing folding
Solution Approach 1:
The cut structure is segmented rather than continuous, with strategic interruptions (ties) at critical locations. This segmentation allows the cut to provide ease of removal in non-critical areas while maintaining structural integrity at key points through the presence of ties between label portions and at liner edges.
Data Source
AI summary
A label sheet includes a plurality of label assemblies. Each label assembly includes a label and a liner. The label includes a label first portion having an adhesive surface, and a label second portion having an adhesive surface. The liner includes a liner first portion coupled to the label first portion, the liner first portion configured to be separable from the label first portion, and a liner second portion coupled to the label second portion. A cut is formed in the liner and positioned between the liner first portion and the liner second portion. The cut includes a first curved portion positioned at a first edge of the liner and a second curved portion positioned at a second edge of the liner.