Label And Ink Application Without Post-Curing Energy

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Solution Overview

Problem

Current methods for applying heat transfer labels or inks to surfaces, such as metal surfaces, require additional curing energy steps, increasing complexity, cost, and time, and may involve adhesives that cause halo effects.

Innovation Solution

A method of applying labels or inks without post-application curing, using cross-linking agents that activate at or below the application temperature, allowing instant curing during application, eliminating the need for additional heating or UV exposure.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If thermal energy or UV light is applied to cure the label or ink after application, then adhesion and durability are improved, but process complexity, cost, and time increase

Engineering Contradiction:
Improveadhesion and durabilityVSAvoidprocess complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The label or ink is pre-formulated with cross-linking agents that are activated at or below the application temperature, so that curing occurs automatically during the application process itself, eliminating the need for separate post-application curing equipment and steps

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The application process and curing process are merged into a single step by incorporating cross-linking agents that activate during application, combining two previously separate operations (application and curing) into one integrated process

Inventive Principle:
Principle #5Merging (Combining)

2Reliability

If thermal energy or UV light is applied to cure the label or ink after application, then adhesion and durability are improved, but cost and time increase

Engineering Contradiction:
Improveadhesion and durabilityVSAvoidapplication time
Core Design Contradiction:
ReliabilityVSLoss of time

Solution Approach 1:

The label or ink is pre-formulated with cross-linking agents that activate at or below application temperature, enabling curing to occur during the application process itself and eliminating separate curing time

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The cross-linking reaction continues during and after application without interruption, maintaining continuous useful action rather than requiring停顿 for separate curing cycles

Inventive Principle:
Principle #20Continuity of useful action

3Reliability

If adhesive material is applied to the label surface, then adhesion is improved, but halo effect and complexity increase

Engineering Contradiction:
ImproveadhesionVSAvoidhalo effect
Core Design Contradiction:
ReliabilityVSObject-generated harmful factors

Solution Approach 1:

The separate adhesive layer is removed entirely from the system. Instead, cross-linking agents are incorporated directly into the label or ink formulation, eliminating the need for additional adhesive materials that cause halo effects

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

The cross-linking agents are locally incorporated within the label or ink material itself at the application interface, providing adhesion exactly where needed without the spread effect of separate adhesive materials

Inventive Principle:
Principle #3Local quality

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 approach reduces space, cost, and complexity by eliminating post-application curing steps, enhancing adhesion and durability without adhesives, and shortening application cycle time.

Implementation Method 1

The one or more of the label or the ink may include one or more cross-linking agents and catalysts that may initiate cross-linking of the one or more of the label or the ink during application of the one or more of the label or the ink

Methodology Applied
Scientific EffectCross-linking: Chemical Bonding

Implementation Method 2

The method also may include heating the surface of the target object prior to application of the one or more of the label or the ink to the surface of the target object

Methodology Applied
Scientific EffectThermal activation: Heating

Data Source

PatentUS12623806B2Method for applying labels or ink to target objects without post-application curing
Publication Date: 2026.05.12 ILLINOIS TOOL WORKS INC
  • US12623806B2 patent drawing
  • US12623806B2 patent drawing
  • US12623806B2 patent drawing

AI summary

Methods for applying a label and may include applying a label and/or ink to form at least part of artwork, graphic, or indicia on a surface of a target object without applying a curing energy to the one or more of the label or the ink following application of the one or more of the label or the ink. Optionally, the label or ink is applied without heating or exposing the label or ink to ultraviolet light following application of the label or ink.