Induction Heating Roller for Uniform Appliqué Adhesion
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Solution Overview
Problem
Existing methods for applying adhesive-based materials, such as appliqués, on surfaces like aircraft are time-consuming and labor-intensive due to the difficulty in achieving uniform adhesion, especially on surfaces with protrusions, and lack temperature control, leading to potential poor adhesion and the need for controlled environments for heating.
Innovation Solution
A handheld induction heating apparatus with a rotatable roller and induction coils generates a magnetic field to induce eddy currents in conductive susceptors, providing controlled heat for efficient and uniform adhesion of appliqués on various surfaces, including those with protrusions, without requiring a controlled environment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If a heat gun is used to warm the installation surface, then the surface temperature can be increased for proper adhesion, but temperature control is lost and the user cannot know whether the surface is too hot or too cold
Solution Approach 1:
The patent incorporates a temperature sensor that continuously monitors the surface temperature and provides feedback to a control system. This feedback mechanism enables the system to automatically adjust the heating power to maintain the temperature within the specified range, resolving the contradiction between achieving proper adhesion temperature and maintaining precise temperature control.
Solution Approach 2:
The heating system is designed to automatically regulate its own operation through the temperature sensor and control algorithm. The system self-adjusts the heating intensity based on real-time temperature measurements, eliminating the need for manual temperature control and preventing both overheating and underheating conditions.
2Reliability
If pressure is applied with fingertips or scraper to ensure uniform adhesion, then bonding quality improves, but the process becomes time-consuming and labor intensive
Solution Approach 1:
The patent replaces the manual mechanical pressing action with an automated mechanical pressing system. A pressing roller or applicator mechanism automatically applies uniform pressure across the adhesive material, eliminating the need for manual fingertip or scraper application while maintaining consistent bonding quality and significantly increasing installation speed.
Solution Approach 2:
The system performs preliminary heating of the surface and adhesive material before the bonding operation. By pre-heating both the installation surface and the adhesive backing to the optimal temperature range, the system ensures proper adhesion properties are achieved before the material is applied, reducing the need for repeated adjustments and rework.
3Adaptability or versatility
If appliqués are applied on surfaces with protrusions like rivets and screws, then decoration and protection can be achieved, but uniform pressure application becomes difficult and bubbles form
Solution Approach 1:
The patent employs a flexible pressing mechanism that can dynamically adapt to surface irregularities. The pressing roller or applicator is designed with flexibility that allows it to conform to the contours of the surface, including protrusions like rivets and screws, ensuring uniform pressure distribution and preventing bubble formation while maintaining adaptability to various surface types.
Solution Approach 2:
The system applies pressure and heat locally to specific areas rather than uniformly across the entire surface. The heating element and pressing mechanism can be positioned to target specific regions, allowing proper adhesion on complex surfaces with protrusions by treating each local area according to its specific requirements.
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 solution enables quick, efficient, and uniform heating of appliqués, ensuring proper adhesion and reducing labor costs by providing precise temperature control, which is particularly beneficial for applications like aircraft surfaces, where protrusions complicate traditional methods.
Implementation Method 1
at least one induction coil (104) coupled to the roller (102), the at least one induction coil configured to generate a magnetic field to induce eddy currents in conductive susceptors
Implementation Method 2
the at least one induction coil configured to generate a magnetic field to induce eddy currents in conductive susceptors
Implementation Method 3
handheld induction heating apparatus with a rotatable roller and induction coils generates a magnetic field to induce eddy currents in conductive susceptors, providing controlled heat
Data Source
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AI summary
Methods and an apparatus are provided for heating a material. The apparatus includes a roller that includes at least one susceptor contained therein, and at least one induction coil coupled to the roller. The induction coil is configured to induce a magnetic field in the susceptor to facilitate increasing a temperature of the roller.