Multi-zone Heating Member for Thermal Transfer Printing

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Solution Overview

Problem

Existing thermal transfer printing technologies face challenges in uniformly applying heat and pressure to target materials with surface irregularities and varying surface materials, leading to inconsistent printing results.

Innovation Solution

A thermal transfer printing device equipped with a multi-zone heating member that allows for independent temperature control of multiple heating zones, enabling conformable contact with uneven surfaces and varying materials, and an inflatable resilient heating member for uniform pressure distribution.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Manufacturing precision

If a single uniform heating plate is used for thermal transfer printing, then the device structure is simple, but the printing quality is inconsistent on surfaces with irregularities

Engineering Contradiction:
Improveprinting qualityVSAvoidheating device structure
Core Design Contradiction:
Manufacturing precisionVSDevice complexity

Solution Approach 1:

The heating plate is divided into multiple independently controllable heating zones, each capable of being heated to different temperatures. This segmentation allows precise temperature control for different areas of the target material, ensuring consistent printing quality even on surfaces with irregularities while maintaining a relatively simple overall device structure.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

Different regions of the heating plate can be set to different temperatures according to the specific requirements of each area of the target material. This local quality approach enables optimized thermal transfer conditions for each heating zone, improving printing quality without requiring complete structural redesign of the entire heating device.

Inventive Principle:
Principle #3Local quality

2Manufacturing precision

If pressure is applied uniformly across the entire pressing surface, then the pressure distribution is simple to control, but contact with uneven surfaces is insufficient

Engineering Contradiction:
Improvecontact uniformityVSAvoidpressing mechanism
Core Design Contradiction:
Manufacturing precisionVSDevice complexity

Solution Approach 1:

The pressing mechanism is divided into multiple independently controllable pressing zones corresponding to different heating zones. Each pressing zone can apply pressure independently, allowing the system to adapt to surface irregularities in different areas and achieve uniform contact across the entire pressing surface without requiring complex overall mechanism changes.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The pressing zones can dynamically adjust their pressure application based on the actual contact conditions with the target material. This dynamic adjustment capability enables the system to compensate for surface irregularities and maintain optimal contact uniformity throughout the pressing process.

Inventive Principle:
Principle #15Dynamics

3Adaptability or versatility

If a single temperature condition is used for the entire target material, then the process control is simple, but the thermal transfer conditions are not suitable for different surface materials

Engineering Contradiction:
Improveadaptability to different materialsVSAvoidtemperature control system
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The temperature control system is segmented into multiple independently controllable heating zones, each capable of being set to different temperature conditions. This allows the system to adapt to different surface materials and irregularities in different areas of the target material while maintaining a relatively simple control architecture based on modular zone control.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

Each heating zone can be configured with temperature conditions specifically suited for the local surface material it contacts. This local quality approach enables the system to optimize thermal transfer conditions for each area independently, improving adaptability to different materials without requiring a completely complex temperature control system.

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

Enables precise and uniform thermal transfer onto target materials with surface irregularities and varying surface materials, improving printing quality and efficiency by allowing individual temperature control and conformable contact.

Implementation Method 1

The heating member is adapted to transfer thermal energy to contacted matter

Methodology Applied
Scientific EffectThermal energy transfer: Conduction (thermal)

Data Source

PatentEP2962856B1Device and method for thermal printing on a target
Publication Date: 2020.12.23 ERIK
  • EP2962856B1 patent drawingFigure 1A~1C
  • EP2962856B1 patent drawingFigure 1D~1F
  • EP2962856B1 patent drawingFigure 2A~2F

AI summary

Provided is a heating member that is a multi-zone and/or a resilient heating member. The heating member is part of a thermal transfer printing device or it may be designed to be included into a thermal transfer printing device. In use the heating member is allowed to contact target matter and/or a source of matter to be transferred to the target matter. Each heating zone of the multi-zone heating member is allowed to independently transfer a preselected thermal energy to contacted target matter. The resilient heating member is allowed to conformably contact target matter and/or a source of matter to be transferred to the target matter.