Patent classifications
B
B65
B65H
2301/00
B65H2301/40
B65H2301/41
B65H2301/417
B65H2301/418
B65H2301/4181
B65H2301/41818
B65H2301/41818
METHOD AND APPARATUS FOR THE PRODUCTION OF CORELESS PAPER ROLLS
A method and apparatus for the production of coreless paper rolls, including a winding phase on a central spindle of a paper web carried out by a main reel, until the formation of a wound paper roll, a phase of extraction from the wound roll of the spindle by application of a relative axial extraction force between the roll and the spindle, where the winding phase includes a first winding phase of a number of web revolutions on the central spindle performed at a first winding tension that is lower than the next winding tension.