RFID Nail Strip Assembly After Transponder Function Testing
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Solution Overview
Problem
Existing nail strips with embedded RFID transponders face challenges in ensuring all nails have functional RFID transponders, as these components are sensitive to damage during production, leading to high rejection rates due to non-functional nails, which renders the entire strip unusable for reliable identification.
Innovation Solution
A nail strip design where each nail is equipped with connecting elements that allow for separate quality checking of RFID transponders before being connected, ensuring only functional nails are assembled into the strip, and these elements facilitate easy handling and orientation for connection, either directly or indirectly, using various configurations such as dovetail pins and grooves or snap connections.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If RFID transponders are embedded in nails during injection molding, then manufacturing efficiency is improved, but the reliability of RFID transponders deteriorates due to damage during production
Solution Approach 1:
The production process is segmented into separate stages: first manufacturing nails without RFID transponders, then separately attaching functional RFID transponders to pre-manufactured nails. This segmentation allows each component to be optimized independently, preventing damage to sensitive RFID transponders during the high-temperature injection molding process while maintaining manufacturing efficiency.
Solution Approach 2:
Nails are manufactured in advance without RFID transponders, and quality-checked before RFID transponders are attached. This preliminary action separates the manufacturing of the nail body from the attachment of sensitive electronic components, ensuring that RFID transponders are not exposed to damaging conditions during production while maintaining a streamlined manufacturing process.
2Ease of operation
If all nails are connected into a nail strip before quality checking, then handling and processing are simplified, but the loss of time increases due to high rejection rates of entire strips
Solution Approach 1:
The quality checking step is extracted and placed before the connection process. Nails are individually inspected for functional RFID transponders before being assembled into nail strips. This extraction prevents non-functional nails from being incorporated into strips, eliminating the time loss associated with rejecting entire strips and allowing only functional nails to be connected for efficient handling.
Solution Approach 2:
Quality checking is performed as a preliminary action before connecting nails into strips. This ensures that only nails with functional RFID transponders are assembled, preventing the waste of time that would result from rejecting entire strips containing defective nails. The preliminary quality check maintains handling convenience while eliminating unnecessary rejection processing.
3Ease of operation
If connecting means are added to nails, then ease of connection is improved, but the device complexity increases
Solution Approach 1:
The connecting means serve multiple functions: they facilitate easy connection of nails into strips, provide alignment during assembly, and enable straightforward quality checking before connection. By designing connecting means with multi-functionality, the patent achieves ease of connection without proportionally increasing complexity, as the same structural features perform multiple roles in the assembly process.
Data Source
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AI summary
Nail strip intended for processing with a driving tool and comprising: • a plurality of nails (10) each provided with an RFID transponder (34), and • connecting means for connecting the nails to the nail strip, wherein • the connecting means are configured to establish the connection of the nails to the nail strip after the nails provided with the RFID transponders have been tested for the functionality of the RFID transponders and those nails which have a functional RFID transponder have been selected.