Adhesive Label Patch Layout to Prevent Jams and Edge Flaring

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Solution Overview

Problem

Adhesive labels can cause printer jams, wrinkles in the web, and labels can lip up or flare when applied, leading to improper fitting and interference with other materials, especially in high-volume commercial applications.

Innovation Solution

Adhesive patches with voids are applied to labels, allowing for a more even distribution of adhesive, reducing the amount needed and minimizing interference with printers and improving label application.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Strength

If adhesive is applied in a continuous pattern on the label back side, then label adhesion strength is improved, but adhesive collects on printer mechanical components causing printer jams and quality issues

Engineering Contradiction:

Improvelabel adhesion strengthVSAvoidadhesive collection on printer components

Core Design Contradiction:

StrengthVSObject-generated harmful factors

Solution Approach 1:

The adhesive application is segmented into discrete patches rather than continuous coverage. Each label receives adhesive in multiple separated patches distributed across the back side, which maintains sufficient adhesion strength while preventing adhesive accumulation on printer rollers and mechanical components.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

Adhesive is applied with non-uniform distribution - concentrated in specific local patches rather than uniformly across the entire back side. This local quality approach ensures adequate bonding at critical areas while minimizing overall adhesive quantity that could cause printer contamination.

Inventive Principle:

Principle #3Local quality

2Manufacturing precision

If adhesive is applied in repeated patches at the same location on each label, then adhesive application consistency is improved, but web wrinkling and ridge formation occur during web winding

Engineering Contradiction:

Improveadhesive placement consistencyVSAvoidweb uniformity during winding

Core Design Contradiction:

Manufacturing precisionVSStability of the object's composition

Solution Approach 1:

The adhesive patches are positioned asymmetrically or with varied spacing patterns rather than identical repetition at fixed intervals. This asymmetry in placement prevents regular stress concentration points that cause web wrinkling and ridge formation during the winding process, while still maintaining consistent adhesive coverage across labels.

Inventive Principle:

Principle #4Asymmetry

3Strength

If full adhesive coverage is applied to the label back side, then label adhesion is improved, but labels lip up or flare along perimeters when applied to items

Engineering Contradiction:

Improvelabel adhesionVSAvoidlabel perimeter stability

Core Design Contradiction:

StrengthVSShape

Solution Approach 1:

Adhesive is extracted from the continuous coverage pattern and removed from certain areas, particularly near label perimeters. By taking out adhesive from edge regions and keeping it concentrated in internal patches, the label maintains strong adhesion while preventing the lip-up or flaring effect at the perimeters during application.

Inventive Principle:

Principle #2Taking out (Extraction)

Data Source

PatentEP3369088B1Adhesive label and method of manufacturing thereof

Publication Date: 2026.02.18 ICONEX LLC

Figure 1A~1C
Figure 2
Figure 3

AI summary

An adhesive patch is provided. The adhesive patch includes an adhesive region with adhesive and a void region devoid of any adhesive.