3D Fabric Appliqué Ink Layering for Simple Heat Application
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Solution Overview
Problem
Existing textile decoration methods fail to create a 3D effect with minimal manufacturing complexity and ease of application.
Innovation Solution
The use of ink layering techniques, incorporation of additives such as reflective particles, non-planar substrate configurations, and textile inserts, combined with heat and pressure application, to achieve a 3D visual effect on fabrics.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Shape
If conventional flat appliqué methods are used, then manufacturing complexity is low, but a 3D visual effect cannot be achieved
Solution Approach 1:
The patent applies dimensionality change by incorporating blowing agents into the ink formulation that expand during heat application, transforming a flat 2D appliqué into a 3D raised structure. This creates the desired three-dimensional visual effect while maintaining compatibility with conventional manufacturing processes
Solution Approach 2:
The patent changes the physical-chemical parameters of the ink by incorporating blowing agents that undergo phase change or chemical reaction during heat application. This transforms the ink from a flat state to an expanded 3D state, achieving the visual effect through parameter transformation rather than complex manufacturing
2Shape
If complex 3D manufacturing techniques are used, then a 3D visual effect is achieved, but ease of application is reduced
Solution Approach 1:
The patent merges the 3D effect creation process with the standard heat application process. The blowing agent expansion occurs automatically during the normal heat-pressing operation, combining what would otherwise be separate steps (creating 3D structure and applying the appliqué) into a single unified process
Solution Approach 2:
The ink formulation contains blowing agents that automatically expand when exposed to heat, creating the 3D effect without requiring additional manual intervention or specialized equipment. The system serves itself by using the necessary heat for application to simultaneously trigger the 3D expansion
3Shape
If multiple layers and additives are incorporated, then a 3D visual effect is achieved, but manufacturing precision requirements increase
Solution Approach 1:
The patent uses parameter changes in the blowing agent system where the expansion ratio and final depth are controlled by chemical formulation parameters rather than mechanical layering precision. The blowing agent's physical-chemical properties determine the final 3D structure, reducing the need for precise manual depth control
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 method effectively creates a 3D visual effect on textiles with minimal impact on manufacturing complexity and simplicity in application, using techniques like screen-printing, blowing agents, and flock printing to achieve varying depths and textures.
Implementation Method 1
a puff heat transfer, a puff transfer composition and a method of making a puff transfer composition
Implementation Method 2
Heat and pressure are applied so the adhesive impregnates into the fabric to seal the appliqué in place
Implementation Method 3
an adhesive layer, a backer layer and a lacquer layer are then printed in sequence over the ink layers
Data Source
Figure 1~3
Figure 4~7
Figure 8~11
AI summary
An appliqué (9) of the invention comprises a disposable carrier film (7) onto which a release layer (6) and PU inks (5, 4) are printed using layering techniques. The ink layers (4, 5) can be multicoloured and each colour is applied sequentially using a conventional screen-printing method. A back-up (3), a lacquer layer (2), and an adhesive layer (1) are printed in sequence over the ink layers. The ink (4) includes reflective particles providing the optical effect of a 3- dimensional appliqué. The artwork is created by overlapping design layers to controlled specification sequences. The ink (4), because of the additives, creates a desired colour tone, and this may be enhanced by layering of the ink in an overlapping region (8). Thus, there are three main regions, namely a central region with reflective ink (4), a "shoulder" region with overlapping matt and reflective inks (4, 5) and an outer region with only matt ink (5).