Methods for the Joint Wrapping of Bags with their Contents, Applying Machine and Packet of Bags Containing 'Snack' thus Obtained

摘要

Method for the joint wrapping of bags containing a product in pieces, granules or powder piled inside an elongated laminar wrapping made of termo-adherent plastic and joined at its longitudinal edges forming a sleeve closed at its bottom and at its laminar header wall with weldings, which comprises: a) making the bags laid on a conveyor go forward; b) delivering at least a first bag on a support while welding means close the laminar wrapping determining a bottom; c) partially forming a continuous laminar wrapping closed longitudinally with the shape of a sleeve with its bottom welded according to step b); d) pushing horizontally at least the first bag of the support towards the opening of the tube that forms the sleeve; e) pushing vertically causing the joint descent of the first bag and wrapping while the sleeve is closed with seams in longitudinal sense at one of its sides; f) continuing feeding the support with bags pushing them first horizontally on the opening of the tube that forms the sleeve and then vertically for the descent of the group until the packet is complete; and y g) closing by means of transverse welding the header laminar wall of the packet formed and separate it through a cut forming at the same time the bottom of the wrapping of the next packet. Machine to carry out the method. Method for the joint wrapping of bags containing “snack” inside a laminar wrapping made of thermo-adherent plastic with the shape of a sleeve, machine for carrying out such method and packet of bags containing “snack” obtained by means of such method.