Inflation Sealing Recipe Control for Film Alignment and Leak-Free Cushions
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Solution Overview
Problem
Existing inflatable cushion manufacturing processes face issues with material wastage, inefficient separation of adjacent cushions, under-inflation, and leakage, due to poor alignment and heat/pressure-related problems during the inflation and sealing of film layers.
Innovation Solution
A control system that identifies material characteristics and selects pre-stored recipes to adjust machine parameters such as motor speed, heating element temperature, and braking force, ensuring optimal inflation and sealing of packaging materials by aligning the material properly and maintaining tension.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If heat and pressure are used to seal film layers during inflation, then sealing strength is improved, but films may stick to machine surfaces or layers may be pulled apart
Solution Approach 1:
The patent applies dynamic control of heating and pressing elements, allowing them to move with the film layers rather than being fixed. This dynamic adjustment ensures consistent contact pressure and heat distribution, preventing both insufficient sealing and excessive adhesion that could cause film damage or sticking to machine surfaces.
Solution Approach 2:
The patent introduces cooling elements as intermediary components between the heating/pressing elements and the film layers. These cooling elements prevent excessive heat transfer to machine surfaces that would cause sticking, while still allowing sufficient heat to seal the films effectively. The intermediary cooling layer mediates the thermal interaction to avoid harmful effects.
2Ease of operation
If films are delivered with freedom of movement to the nozzle, then ease of operation is improved, but alignment efficiency deteriorates
Solution Approach 1:
The patent employs dynamic alignment mechanisms that adjust in real-time to film position and movement. Rather than rigidly constraining the film, the system dynamically tracks and follows film movement while maintaining proper alignment with the inflation nozzle, thus preserving operational flexibility while ensuring inflation efficiency.
Solution Approach 2:
The patent incorporates feedback mechanisms that continuously monitor film position and adjust delivery parameters accordingly. This closed-loop control allows the system to maintain optimal alignment with the nozzle while accommodating natural film movement and variations, balancing ease of operation with inflation productivity.
3Reliability
If seal configurations are designed to capture air effectively, then inflation reliability is improved, but material wastage increases
Solution Approach 1:
The patent optimizes seal configuration parameters such as seal width, pressure distribution, and heating temperature to achieve effective air capture with minimal material consumption. By carefully adjusting these parameters, the system creates seals that are sufficiently strong to prevent leakage and maintain inflation reliability while using less material than conventional designs.
Solution Approach 2:
The patent applies localized seal configurations where sealing intensity and material usage are concentrated only where needed for effective air capture. Rather than uniform sealing across entire film areas, the system applies sealing forces and heat locally at critical points, reducing overall material wastage while maintaining inflation reliability.
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 improves the efficiency and speed of forming inflated cushions by dynamically adjusting machine parameters based on material characteristics, reducing wastage and ensuring consistent inflation and sealing without leakage.
Implementation Method 1
Heat is then used to bind two layers of the film together forming a seal
Implementation Method 2
a brake mechanism operably connected to the spindle that selectively applies a frictional force to the supply of material
Data Source
AI summary
The present disclosure relates generally to an inflation and sealing machine and in particular to a method for modifying one or more parameters of the machine. The method includes identifying a configuration of a supply material to be used with the inflation and sealing machine, such as by receiving a user input, automatically detecting characteristics of the material, and/or receiving data such as from a sensor regarding the characteristics of the material. Once the configuration of the supply material is identified, the method includes receiving a selection of a prestored recipe according to a configuration of the supply material, where the recipe determines or sets the value for one or more operating parameters of the machine.