METHOD AND APPARATUS TO CRIMP A SHEET

METHOD AND APPARATUS TO CRIMP A SHEET

A method is provided to crimp a sheet having, before crimping, a thickness, a moisture, a composition, and a width, the method including: obtaining one pre-crimping sheet characteristic among the thickness of the sheet, the moisture of the sheet, the composition of the sheet, and the width of the sh...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: BERTOLDO, Massimiliano, UTHURRY, Jerome, FRANCESCHI, Matteo, PRESTIA, Ivan, NATALI, Luca, GUIDOTTI, Enrico, REIMANN, Dirk Günter
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
CIGARETTES
CIGARS
HUMAN NECESSITIES
MACHINES FOR MAKING CIGARS OR CIGARETTES
MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
MOUTHPIECES FOR CIGARS OR CIGARETTES
SMOKERS' REQUISITES
TOBACCO
TOBACCO SMOKE FILTERS
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Beschreibung
Zusammenfassung:A method is provided to crimp a sheet having, before crimping, a thickness, a moisture, a composition, and a width, the method including: obtaining one pre-crimping sheet characteristic among the thickness of the sheet, the moisture of the sheet, the composition of the sheet, and the width of the sheet; crimping the sheet to form a plurality of corrugations on the sheet, the crimping including providing a pair of crimping rollers defining a nip therebetween, the nip having a nip size, and inserting the sheet in the nip; evaluating a post-crimping characteristic of the sheet after crimping; and varying the nip size on the basis of the obtained one of the pre-crimping sheet characteristic, and on the basis of the evaluated post-crimping sheet characteristic. An apparatus to crimp a sheet is also provided.