| 摘要 |
A method of processing a web material (3) for packaging food products, including the step of laser-processing the web material (3) in order to create a register mark (14) and to perform one or more additional material structure-modifying operations such as a perforation (15) or hole; the step of printing a design (18) by successive single-colour print operations in register with the register mark (14); and the step of creating a crease pattern (24) in register with the register mark (14). |
