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US 2026/0250026 A1Published application
Stretch-wrapping machine with film-sealing assembly
AssigneeSignode Industrial Group LLC
InventorPekka Mustonen
Life of this patent
Estimating the term…
Abstract
Various embodiments provide a stretch-wrapping machine with a sealing-and-cutting device that performs seaming to seal the film after the load is wrapped.
Claims13
A wrapping machine comprising:
- a wrapping-machine frame;
- a guide mounted to the wrapping machine frame;
- a guide actuator operably connected to the guide to move the guide vertically relative to the wrapping-machine frame;
- a wrapping assembly mounted to the guide and comprising a film carriage;
- a wrapping-assembly actuator operably connected to the wrapping assembly to move the wrapping assembly relative to the guide;
- and
- a sealing and cutting device mounted to the guide and comprising:
- a heating element support,
- a heating element guard,
- a heating element positioned between the heating element support and the heating element guard, and movable between a sealing position and a home position to seal two layers of film together, and
- a clamp facing inwardly toward the heating element and positionable on an opposite side of the two layers of film from the heating element.
8 more elements
A method of wrapping a load with a wrapping machine, the method comprising:
- positioning the load in a wrapping area of the wrapping machine;
- wrapping the load using a wrapping assembly mounted to a guide;
- positioning a sealing-and-cutting device comprising a heating element assembly near the wrapped load;
- wrapping the load and the heating element assembly with an inner film sealing layer;
- overlapping at least a portion of the inner film sealing layer with an outer film sealing layer;
- positioning a clamp against the outer film sealing layer, such that the clamp faces inward toward the load;
- actuating the sealing-and-cutting device to seal the inner film sealing layer to the outer film sealing layer;
- and
- cutting the outer film sealing layer.
6 more elements
Dependencies are inferred from the claim text.