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US 2026/0145831 A1Published application
Strapping machine configured to form a welded strap joint via induction heating
AssigneeSignode Industrial Group LLC
InventorJürgen Höhn
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Abstract
Various embodiments of the present disclosure provide a strapping machine including a strap-sealing assembly configured to weld two overlapping portions of strap together via induction heating to form a strap joint.
Claims20
A strapping device comprising:
- a movable workpiece;
- a movable strap clamp;
- a coil;
- and
- a controller configured to, with the workpiece positioned between a first strap portion and a second strap portion:
- control alternating electric current to be output to the coil, thereby causing the workpiece to be heated by induction such that part of the first strap portion and part of the second strap portion melt;
- cause the workpiece to be removed from between the first and second strap portions;
- and
- cause the strap clamp to move to clamp the first and second strap portions together such that the melted parts of the first and second strap portions join to form a welded strap joint.
6 more elements
A strap-sealing process comprising:
- with a workpiece positioned between a first strap portion and a second strap portion, heating the workpiece by induction such that part of the first strap portion and part of the second strap portion melt;
- removing the workpiece from between the first and second strap portions;
- and
- moving a strap clamp to clamp the first and second strap portions together such that the melted parts of the first and second strap portions join to form a welded strap joint.
1 more element
Dependencies are inferred from the claim text.