Induction Sealing Device Polymer Insert Boron Nitride
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Solution Overview
Problem
Existing induction sealing devices face challenges in terms of durability, cost-efficiency, and sealing speed, primarily due to inefficient thermal management which can lead to inductor damage and increased maintenance costs.
Innovation Solution
The induction sealing device incorporates a polymer insert with dispersed boron nitride particles, which enhances thermal conductivity, facilitating efficient cooling of the inductor and heat-seal plastic material, thereby improving durability, reducing costs, and increasing sealing speed.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional induction sealing devices are used, then sealing function is provided, but thermal management is inefficient leading to reduced durability and increased maintenance costs
Solution Approach 1:
The patent applies composite materials by incorporating boron nitride particles into the polymer insert material. This composite structure combines the thermal conductivity benefits of boron nitride with the structural properties of the polymer matrix, creating a material that efficiently manages heat while maintaining the necessary mechanical properties for the sealing device components.
2Productivity
If conventional induction sealing devices are used, then sealing function is provided, but sealing speed is limited due to thermal management constraints
Solution Approach 1:
The patent changes the thermal parameters of the polymer insert by incorporating boron nitride particles, which significantly improves thermal conductivity. This parameter change allows for more efficient heat dissipation during the sealing process, enabling faster sealing cycles without compromising component durability or seal quality.
3Loss of energy
If conventional polymer inserts are used, then structural support is provided, but thermal conductivity is insufficient leading to overheating
Solution Approach 1:
The patent applies local quality by concentrating boron nitride particles in specific regions of the polymer insert where thermal management is most critical. This localized enhancement of thermal conductivity allows the insert to effectively manage heat in key areas without requiring a complete redesign of the entire insert structure, maintaining simplicity while improving thermal performance.
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 use of boron nitride particles in the polymer insert significantly improves the thermal management of the induction sealing device, leading to increased durability, reduced maintenance costs, and enhanced sealing speed.
Implementation Method 1
an induction sealing device induces an eddy current in the aluminum sheet to heat the aluminum sheet locally, thereby locally melting the heat-seal plastic material
Implementation Method 2
The inductor herein substantially comprising one or more conductor elements made of electrically conductive material which interact with the tube material to induce an eddy current in it and heat it to the necessary sealing temperature
Implementation Method 3
the polymer insert comprises a polymer matrix into which boron nitride particles are dispersed
Data Source
Figure 1a~1b
Figure 2a~2b
Figure 3a~3b
AI summary
An induction sealing device (15) for heat sealing packaging material for producing sealed packages of pourable food products, said sealing device (15) comprising: an inductor (16) configured to induce a current in the packaging material, the inductor (16) comprising conductor elements (20, 21); a polymer insert (40) holding said conductor elements (20, 21); and a supporting body (24) holding said polymer insert (40); wherein the polymer insert (40) comprises a polymer matrix into which boron nitride particles are dispersed.