Device for perfecting a web with one passage using the same printing head

摘要: The strip processing machine has a single head facing the which is driven past via path that exposes firstly one face then other to head. arrives from delivery spool (1) with A upward and passing under (2), passes over two rollers (3,6) turn of through 180 degrees . triangular plate (4) returns on itself , B upward. now travelling in same direction as spool, but being delivered exit machine.