Method for producing spiral-shaped tube used for packaging or winding of e.g. paper, involves applying adhesive materials on web materials using applicator head

摘要

The method involves holding a strip-like web material (10). The adhesive materials (21,22) are provided on the web materials (10,11) using an applicator head (20). The wet sheet material (11) is applied to the tube (4) at an angle of less than 90 degree. The applicator head is provided with a replaceable nozzle lip. An independent claim is included for apparatus for producing tube.