Stick Electrode Foil Packaging for Moisture Protection
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Solution Overview
Problem
Existing packages for stick electrodes are cumbersome, costly, and inefficient, requiring manual dexterity for removal, prone to moisture absorption, and not easily adaptable for single electrode use, leading to increased costs and operational difficulties.
Innovation Solution
A novel package using a thin, deformable metal foil encapsulating a stack of electrodes with a vacuum seal and easy-open design, allowing for individual electrode removal and resealing, reducing moisture absorption and enabling easier handling and transportation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If rigid metal cans are used to package stick electrodes, then the electrodes are protected during shipping, but the package becomes costly, cumbersome, and difficult to handle
Solution Approach 1:
The patent replaces rigid metal cans with a flexible foil packaging system. The foil package can be collapsed to a small volume for shipping and storage, then expanded at the point of use. This flexible shell approach maintains protection during shipping while eliminating the complexity and cost of rigid metal construction.
Solution Approach 2:
The foil package is designed to collapse into a compact form factor during shipping and storage, similar to nested dolls. The package can be compressed to a small volume for efficient shipping, then expanded when needed at the welding site, providing protection during transport without requiring bulky rigid containers.
2Shape
If rigid metal cans are used for electrode packaging, then the package maintains its shape, but it presents the same volume regardless of the number of electrodes remaining and is difficult to dispose of
Solution Approach 1:
The foil package transitions from a rigid to a dynamic structure. It can be collapsed to a small volume for shipping and storage, then expanded at the point of use. This dynamic behavior allows the package to adapt its volume based on the number of electrodes remaining and eliminates the disposal difficulties associated with rigid metal cans.
Solution Approach 2:
The flexible foil material allows the package to be collapsed and reconfigured, providing ease of disposal and handling. The foil can be easily compressed to a small volume for storage and then expanded when needed, unlike rigid metal cans that maintain their shape regardless of contents.
3Ease of operation
If electrodes are removed from the container in groups, then handling is simplified, but single electrode removal for welding becomes difficult and time-consuming
Solution Approach 1:
The foil package is designed with a segmentation feature that allows individual electrodes to be removed one at a time. The package can be opened to expose individual electrodes for sequential removal, enabling single electrode extraction without requiring group removal and subsequent sorting.
Solution Approach 2:
The package is designed with preliminary opening features that allow the user to open the foil package and access individual electrodes before welding begins. This preliminary action of opening the package and exposing individual electrodes eliminates the time-consuming process of group removal and sorting.
4Ease of operation
If the package is opened for electrode removal, then electrodes can be accessed, but moisture from the atmosphere is absorbed by the outer flux coating
Solution Approach 1:
The foil package creates a protective barrier that isolates the electrodes from the atmospheric environment. The sealed foil package maintains a controlled internal environment that prevents moisture from the atmosphere from reaching and being absorbed by the outer flux coating, while still allowing electrode access when opened.
Solution Approach 2:
The flexible foil material provides a moisture-barrier protection while allowing the package to be collapsed and reconfigured. The foil package maintains a protective seal that prevents moisture ingress during storage and shipping, while still enabling electrode access when needed.
5Reliability
If metal cans are used for electrode packaging, then electrodes are protected during shipping, but the cost of the can increases the total cost of the electrodes
Solution Approach 1:
The foil package is a low-cost, disposable packaging solution that replaces expensive rigid metal cans. The foil material is inexpensive and can be easily manufactured, providing adequate protection during shipping without significantly increasing the total cost of the electrodes.
Solution Approach 2:
The flexible foil material provides a cost-effective packaging solution that is cheaper to manufacture than rigid metal cans. The foil package maintains protection during shipping while significantly reducing the manufacturing cost component of the electrode total cost.
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 improves efficiency, reduces costs, enhances usability, and facilitates worldwide compatibility, eliminating the need for metal cans while maintaining the integrity of the electrodes during shipping and use.
Implementation Method 1
The cavity is vacuum sealed to draw and deform the encapsulating foil into contact with the electrodes whereby the foil is deformed by the electrodes and holds the electrodes in a fixed configuration for shipment and sale
Data Source
AI summary
A package for a compacted stack of stick electrodes comprising a thin metal foil encapsulating the stack with at least one axial seam and two end closures. One end closure includes a generally flat end portion extending from the stack and terminating in a sealed section of the metal foil spaced outwardly from the stack. The flat end portion including a structure to open the package for access to the stack of electrodes. This package is used in combination with an elongated shipping carton with a vision opening exposing a package therein.