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procedure and machine for preparing packaging in bags from thermoplastic film or leaf area produced by the coil, groups of pre packaged products and variable format, such as groups of rolls of paper or other products
procedure and machine for preparing packaging in bags from thermoplastic film or leaf area produced by the coil, groups of pre packaged products and variable format, such as groups of rolls of paper or other products
The machine for bagging groups of packages of pre-packed products of varying format, includes: a distribution conveyor (11), which pivots on a swivelling axis (111), arranged to receive said packages; downstream of said distribution conveyor, an advancement conveyor (13) with an inlet end and an outlet end, said advancement conveyor (13) being provided with adjacent channels (12), said distribution conveyor (11) being arranged and controlled to feed said packages (C1 ; C2) sequentially into said channels (12), said packages forming adjacent rows travelling in said channels along said advancement conveyor; a stoppage member (22; 106) for temporarily stopping the rows of packages at the end of said advancement conveyor (13); a first elevator (6; 6'; 24) for collecting the rows of packages at the outlet of said advancement conveyor (13) and move said packages to a bagging station (1-5); a retention device (16, 17) arranged along said: advancement conveyor (13) at a distance from said outlet end, for cyclically retaining on said advancement conveyor (13) a package (C1; C2) of each row positioned immediately upstream of the package(s) to be discharged on said first elevator (6; 6'; 24) when said stoppage member (22; 106) is de-activated.
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