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

Claim 10:
11. A unit for crimping a web of material for the tobacco industry, comprising:
a crimping station including a first crimping roller and a second crimping roller operatively coupled to make a plurality of longitudinal easy folding lines on the web in transit between the crimping rollers;
at least one sensor configured to measure, during crimping, a value of a thickness of the web, the at least one sensor being disposed upstream of the crimping station;
an adjustment mechanism acting on the crimping station to vary operating parameters of the crimping station;
a control and drive unit connected to the at least one sensor and acting on the adjustment mechanism to vary, during crimping, one or more of the operating parameters of the crimping station as a function of variations of the value of the thickness along the web measured by the at least one sensor;
wherein the crimping station comprises a supporting element mounting the first and second crimping rollers, and wherein the supporting element is configured to adopt at least one chosen from a variable position and a variable orientation to vary an orientation of the web being fed to the first and second crimping rollers, relative to the first and second crimping rollers, the adjustment mechanism acting on the supporting element to vary at least one chosen from the position and the orientation of the supporting element.