B - Operations – Transporting – 65 – B
Patent
B - Operations, Transporting
65
B
B65B 9/08 (2006.01)
Patent
CA 2059354
IN-LINE BREAD BAG FORMING AND SEALING MACHINE Abstract of the Disclosure The present invention relates to a machine for the continuous production of bags of thermosealable material. The machine comprises a first station comprising at least one spool of thermosealable film which is continuously advanced in the machine. The film is folded over itself to form two layers of different widths with the bottom layer protruding beyond an edge of the top layer. A recess forming device is also provided in the first station to form a folded end in the film. A second station is provided with a cutting device capable of severing the film transversely with respect to its direction of movement as well as reciprocally thermosealing the two layers of the film transversely to produce a bag. The second station further comprises a continuously moving perforated belt on which the bag is disposed and retained on a bag support section thereof by means of a suction device positioned under the belt. Accordingly, the bags are adhered to the support section of the belt. At a third station, a sealing device is provided as well as a blowing nozzle which blows compressed air in the bag in order to open the bag to enable the insertion of a product therein prior to sealing the bag.
Frigo Luigi
Swabey Ogilvy Renault
LandOfFree
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