Heated Panel and Roller for Sealing Tape Temperature Control
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Solution Overview
Problem
Existing methods for preheating sealing tapes struggle to maintain a stable surface temperature of pressure rollers at higher feed speeds, leading to imperfections in sealing, particularly in high-speed production environments.
Innovation Solution
A heated metal pressure roller is used in conjunction with a heated panel positioned near the sealing zone, which provides additional heat to the sealing tape and includes divarication elements to maintain tape tension and prevent irregularities, ensuring a secure and complete seal.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the feed speed of the sealing tape is increased to improve productivity, then production efficiency is improved, but the surface temperature of the pressure roller cannot be raised further which causes sealing imperfections
Solution Approach 1:
The sealing tape is preheated by a heating panel before it reaches the pressure roller. This preliminary heating action ensures that the tape reaches the required temperature for sealing even when feed speed is increased, allowing the pressure roller to maintain its surface temperature within safe limits while still achieving effective sealing at higher speeds.
2Temperature
If the surface temperature of the pressure roller is raised to maintain sealing quality at higher feed speeds, then sealing temperature is improved, but problems occur for both the sealing tape and the sealing process
Solution Approach 1:
The heating panel performs preliminary heating of the sealing tape before it contacts the pressure roller. This allows the pressure roller to operate at a lower, more stable surface temperature while the tape itself reaches the necessary temperature for sealing, thus maintaining reliability and preventing damage to the tape or sealing process.
Solution Approach 2:
The heating panel acts as an intermediary device that heats the sealing tape independently of the pressure roller temperature. This mediator allows the system to achieve the required sealing temperature through the heated tape rather than through a hot pressure roller, avoiding the problems associated with high roller temperatures.
3Temperature
If an autonomous heating panel is positioned at the front of the sealing roller, then preheating function is added, but downtimes for maintenance operations increase and the sealing tape may not stay perfectly in position
Solution Approach 1:
The heating panel is integrated with the pressure roller assembly rather than being positioned autonomously at the front. This merging of functions allows the heating and sealing operations to be coordinated closely, reducing the need for separate maintenance operations and minimizing downtime while maintaining proper tape positioning through the combined action of heating and pressing.
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 allows for consistent and secure sealing at higher feed speeds by maintaining the sealing tape at the required temperature, preventing irregularities and ensuring a stable seal, even at increased production rates.
Implementation Method 1
a panel 17, heated and/or heating, is directly associated to the sealing roller 15 in order to heat the sealing tape 14
Implementation Method 2
a heated metal pressure roller, or sealing roller, 15, which also has a pressure function
Data Source
Figure 1~2
Figure 3~3f
Figure 4~5
AI summary
A device (10) to preheat a tape for sealing containing compartments with a sealing tape (14), operates intervening by heating and tensioning a sealing tape (14) by means of a panel (17).