Packaging machine for wrapping products in respective sheets of heat-sealable wrapping material

摘要

Wrapping machine for wrapping a product (2) in respective sheets (3) of material sealable wrapper, said machine comprising a wrapping means (5) forming a tubular wrapping (6) from a continuous strip of heat sealable material and each product (2) located between two free tubular portions (11) of said tubular casing (6) and sealing means and for delivering a product (2) successively into the tubular wrapping (6), ( 9) comprising at least two pairs of sealing devices (12, 13), wherein said sealing devices (12, 13) of each pair of sealing devices (12, 13) move along a path sealing (P) for supplying one of said products (2) respective along the path seal (P) at a speed (V2) variable and perform a respective sealed in said tubular portions (11); characterized by comprising actuating means (27) for advancing each of said sealing devices (12, 13) independently with respect to the other sealing devices.