B - Operations – Transporting – 65 – B
Patent
B - Operations, Transporting
65
B
156/16
B65B 17/00 (2006.01) B65B 25/02 (2006.01) B65B 43/12 (2006.01)
Patent
CA 1100026
ABSTRACT OF THE DISCLOSURE Two superimposed layers of thermally weldable material are welded to one another at welding zones de- limiting respective receptacle preforms having respective open ends and connected in series to a transporting strip which extends longitudinally of the processing path of displacement of the receptacle preforms. The goods to be packaged are introduced into the respective receptacle after the two layers of the respective receptacle preform have been separated by blowing a stream of air into the receptacle through the open end thereof. Thereafter, the open end of the receptacle preform is closed and the receptacle preform is severed from the transporting strip to obtain a filled receptacle which is freely transportable. The welding operation is performed by a welding roller which has an electrically resistive conductor wire mounted there- on along such a course that, when developed into the plane of the superimposed layers, the conductor wire will coin- cide with the zones to be welded. A severing detachment which cuts through the superimposed layers to obtain open- ings in the receptacles is displaced by an eccentric portion of the welding roller in a predetermined sequence with the welding operation.
289667
Brehm Robert
Munchinger Bernd
Brehm Robert
Macrae & Co.
Munchinger Bernd
LandOfFree
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