Plastic conveyor belt modules with electromagnetically-welded attchments
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United States of America Patent
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N/A
Issued Date -
Dec 20, 2001
app pub date -
Jun 7, 2001
filing date -
Jun 14, 2000
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A plastic conveyor belt module including a base member and an attachment member bonded together by an electromagnetically welded bond material that forms a fused joint between the base member and the attachment member. The joint is formed between a base weld region and an attachment weld region with the electromagnetically welded bond material forming a firm bond at the interface between the two regions. A welding workstation includes a high-frequency generator with its output coupled to a work coil. A fixture nests the base and attachment members together with the bond material at the joint close to the work coil. Ferromagnetic or other electrically conductive particles capable of carrying eddy currents embedded in the bond material are heated inductively by the high-frequency signal emitted by the work coil. The heat is also transferred to the adjacent weld regions of the base and attachment members to fuse them together.
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