EMF Metal Container Forming for Integrated Threads and Venting
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Solution Overview
Problem
Commercially available shaped metal containers have limited features and components, particularly in terms of electromagnetic forming (EMF) capabilities, which restrict their functionality and versatility.
Innovation Solution
The implementation of EMF processes to shape metal containers, such as aluminum bottles and cans, by imparting EMF features like asymmetrical and symmetrical thread configurations, logos, and carrier rings, using a pulsed magnetic device that generates an electromagnetic force to deform the metal without physical contact, enabling secure closures and improved venting.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If traditional forming operations are used to shape metal containers, then the manufacturing process is simple and well-established, but the containers have limited features and components
Solution Approach 1:
The patent replaces traditional mechanical forming operations with electromagnetic forming (EMF) technology. The EMF system uses electromagnetic fields to apply forces to the metal container during forming, enabling the creation of complex features such as integrated threads, logos, and structural components that are difficult or impossible to achieve with conventional mechanical forming methods
Solution Approach 2:
The patent utilizes electromagnetic field parameters (frequency, amplitude, pulse duration) to control the forming process. By adjusting these electromagnetic parameters, the system can create different container features and configurations, providing versatility in container design while maintaining a relatively simple overall process structure
2Adaptability or versatility
If EMF processes are used to impart features on metal containers, then the containers gain enhanced functionality and versatility, but the manufacturing complexity increases
Solution Approach 1:
The patent divides the EMF forming process into discrete, controllable segments or pulses. The electromagnetic field is applied in controlled pulses that can be timed and positioned to create specific features at specific locations on the container, making the complex EMF process manageable and programmable
Solution Approach 2:
The EMF system is designed to perform multiple forming operations using a single technology platform. The same electromagnetic forming apparatus can create threads, logos, structural reinforcements, and other features, reducing the need for multiple specialized manufacturing systems and offsetting the complexity through multi-functionality
3Productivity
If EMF is used to create integrated features on containers, then the manufacturing steps are reduced and efficiency improves, but the precision and control of feature formation become more challenging
Solution Approach 1:
The EMF system incorporates feedback mechanisms that monitor the forming process in real-time. Sensors detect the position and state of the metal container during electromagnetic forming, and this information is fed back to adjust the electromagnetic field parameters dynamically, ensuring precise feature formation even as productivity increases
Solution Approach 2:
The patent employs preliminary positioning and preparation steps that pre-establish the container's orientation and the electromagnetic field's configuration before the actual forming occurs. This preliminary setup ensures that when the EMF process runs at high speed, the precision and control are already optimized, allowing productivity gains without sacrificing feature formation accuracy
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 EMF process enhances the functionality of metal containers by providing secure mechanical attachments, improved venting, and differentiated branding options, while ensuring secure closure and retention of pressurized or vacuum-packed contents.
Implementation Method 1
a pulsed magnetic device that generates an electromagnetic force to deform the metal without physical contact
Data Source
AI summary
Generally, the instant disclosure is directed towards various methods of EMF-forming workpieces and the resulting workpieces. More specifically, the instant disclosure is directed towards various embodiments of imparting EMF-features onto workpieces, where workpieces with resulting EMF-features are configured as metal containers.