Patent ID: 11864580
Assignee: G.D S.P.A.
Field: Other consumer goods (Other fields)
Classification: CPC A | IPC A

Claim 0:
1. A method for crimping a web of material for the tobacco industry, comprising the following steps:
feeding a web of material for the tobacco industry along a feed path;
crimping the web between two crimping rollers operatively coupled to make a plurality of longitudinal easy folding lines on the web;
measuring with at least one sensor a value of a thickness of the web before the step of crimping;
wherein the step of crimping the web is adjusted during crimping as a function of variations of the measured value of the thickness along the web measured with the at least one sensor; and
wherein the two crimping rollers are mounted on a supporting element and wherein the method comprises varying at least one chosen from a position and an orientation of the supporting element to vary an orientation of the web being fed to the two crimping rollers relative to the two crimping rollers.