B - Operations – Transporting – 65 – B
Patent
B - Operations, Transporting
65
B
B65B 51/16 (2006.01) H05B 3/00 (2006.01)
Patent
CA 2595417
The described tool serves for heat-sealing and separation of continuously conveyed films made of a thermoplastic material, e.g. for transverse heat-sealing and separation of a tubular film material between mutually distanced objects arranged inside of the film tube. The tool is designed as heat-sealing/separating element (1) and consists of a plurality of juxtaposed layers, wherein the two outermost layers are constituted by a folded covering sheet (2). Between the two parts of the covering sheets (2), which meet at the fold edge serving as separating edge (3), a heating element is arranged, which comprises a flat support (11) made of an electrically insulating material and a heating wire (6) wound around the support (11). Between the covering sheet (2) and the support (11) further insulating layers (10) are arranged. The heat-sealing/separating element (1) has e.g. a thickness of merely approximately 2 mm. The tool's advantages are its little weight, its low energy consumption and its ability for heat-sealing and separating when the distances between the objects arranged in the film tube are very small.
Ferag Ag
Freedman & Associates
Tremp Marcel
LandOfFree
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