MACHINE AND PROCESS FOR PRODUCTION OF LOGS OF PAPER MATERIAL

The invention provides a rewinding machine for the production of logs of paper material, comprising a winding station (W) in which are fed a paper web (3) and, in sequence, more tubular cores (4), andin which station winding (W) are arranged a first, a second and a third winding roller (R1, R2, R3)...

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Bibliographic Details
Main Author PERINI FABIO
Format Patent
LanguageChinese
English
Published 29.11.2019
Subjects
CONVEYING
HANDLING THIN OR FILAMENTARY MATERIAL
HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS,CABLES
PACKING
PERFORMING OPERATIONS
STORING
TRANSPORTING
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Summary:The invention provides a rewinding machine for the production of logs of paper material, comprising a winding station (W) in which are fed a paper web (3) and, in sequence, more tubular cores (4), andin which station winding (W) are arranged a first, a second and a third winding roller (R1, R2, R3) cooperating with each other to wind a predetermined amount of said paper web (3) onto each core (4). The machine comprises a fourth winding roller (R4) which is connected to respective moving means adapted to arrange it in a first inoperative position (A) until the diameter of a log (L) in the winding station is lower than a first predetermined value and a second operating winding position (B) when the diameter of the log (L) being formed is equal to said first predetermined value, said movingmeans being controlled to maintain the fourth roller (R4) in the second operating winding position (B) until the diameter of the log reaches a second final value higher of the first predetermined value such that, in a first ph
Bibliography:Application Number: CN201880022781