Pressure-Sealing Toner Control for Printed Material Adhesion

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Solution Overview

Problem

Existing pressure-sealed postcards lack the ability to adjust adhesion based on the type of printed material, leading to inconsistent sealing effectiveness.

Innovation Solution

An image forming system that controls the mode of pressure-sealing toner application, including the amount, area, thickness, and position, to ensure stronger adhesion for confidential materials by varying the application parameters based on the material type.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If a fixed amount of pressure-sealing toner is applied to all printed materials, then the sealing process is simple and fast, but the adhesion strength cannot be adjusted for different material types

Engineering Contradiction:
Improveadhesion adjustment capabilityVSAvoidtoner application control system
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent implements dynamic adjustment of pressure-sealing toner application parameters based on the type of printed material being processed. The system changes the amount, area, thickness, and position of toner application dynamically according to material characteristics, enabling adaptable adhesion strength while maintaining a relatively simple overall system architecture.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The patent applies parameter changes by varying multiple toner application parameters (amount, area, thickness, position) according to the printed material type. This allows the system to optimize adhesion strength for different materials by adjusting these parameters without requiring complete system redesign.

Inventive Principle:
Principle #35Parameter changes

2Reliability

If pressure-sealing toner is applied uniformly to all materials, then the application process is efficient, but sealing effectiveness varies for different material types

Engineering Contradiction:
Improvesealing effectivenessVSAvoidtoner application efficiency
Core Design Contradiction:
ReliabilityVSProductivity

Solution Approach 1:

The patent applies local quality by tailoring the pressure-sealing toner application parameters to match the specific requirements of each printed material type. Different materials receive customized toner application patterns (amount, area, thickness, position), ensuring optimal sealing effectiveness for each material while maintaining overall process efficiency.

Inventive Principle:
Principle #3Local quality

3Strength

If more pressure-sealing toner is applied to ensure strong adhesion, then confidential materials are securely sealed, but non-confidential materials receive excessive toner application

Engineering Contradiction:
Improveadhesion strengthVSAvoidpressure-sealing toner consumption
Core Design Contradiction:
StrengthVSLoss of substance

Solution Approach 1:

The patent uses parameter changes to optimize toner consumption by adjusting the amount, area, thickness, and position of pressure-sealing toner application based on material classification. Confidential materials receive higher toner application parameters for strong adhesion, while non-confidential materials receive reduced parameters, minimizing unnecessary toner consumption.

Inventive Principle:
Principle #35Parameter changes

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

The system achieves tailored adhesion for different types of printed materials, ensuring robust sealing for confidential documents while maintaining effectiveness for non-confidential ones, enhancing security and reliability.

Implementation Method 1

Pressure-sealing toner, which demonstrates an adhesion function when deformed by pressure

Methodology Applied
Scientific EffectAdhesion: Adhesive

Data Source

PatentEP4685567A1Image forming system, program, and method
Publication Date: 2026.01.28 FUJIFILM BUSINESS INNOVATION CORP
  • EP4685567A1 patent drawingFigure 1
  • EP4685567A1 patent drawingFigure 2A~2B
  • EP4685567A1 patent drawingFigure 3A~3B

AI summary

An image forming system includes a processor configured to obtain a type of printed material to be generated from a medium and control, in accordance with the obtained type of printed material, a mode of pressure-sealing toner, which demonstrates an adhesion function when deformed by pressure, at a time when the pressure-sealing toner is applied to the printed material.