EP4352000C0 - Unwinding device for web material with systems for reducing dynamic vacuum during unwinding and associated method - Google Patents

Unwinding device for web material with systems for reducing dynamic vacuum during unwinding and associated method

Info

Publication number
EP4352000C0
EP4352000C0 EP22731654.4A EP22731654A EP4352000C0 EP 4352000 C0 EP4352000 C0 EP 4352000C0 EP 22731654 A EP22731654 A EP 22731654A EP 4352000 C0 EP4352000 C0 EP 4352000C0
Authority
EP
European Patent Office
Prior art keywords
unwinding
systems
web material
associated method
vacuum during
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP22731654.4A
Other languages
German (de)
French (fr)
Other versions
EP4352000A1 (en
EP4352000B1 (en
Inventor
Fabrizio Tonello
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Andritz Pulp & Paper Italy Srl
Original Assignee
A Celli Paper SpA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by A Celli Paper SpA filed Critical A Celli Paper SpA
Publication of EP4352000A1 publication Critical patent/EP4352000A1/en
Application granted granted Critical
Publication of EP4352000C0 publication Critical patent/EP4352000C0/en
Publication of EP4352000B1 publication Critical patent/EP4352000B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H19/00—Changing the web roll
    • B65H19/10—Changing the web roll in unwinding mechanisms or in connection with unwinding operations
    • B65H19/105—Opening of web rolls; Removing damaged outer layers; Detecting the leading end of a closed web roll
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H16/00—Unwinding, paying-out webs
    • B65H16/10—Arrangements for effecting positive rotation of web roll
    • B65H16/106—Arrangements for effecting positive rotation of web roll in which power is applied to web roll
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H19/00—Changing the web roll
    • B65H19/10—Changing the web roll in unwinding mechanisms or in connection with unwinding operations
    • B65H19/12—Lifting, transporting, or inserting the web roll; Removing empty core
    • B65H19/126—Lifting, transporting, or inserting the web roll; Removing empty core with both-ends supporting arrangements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/40—Type of handling process
    • B65H2301/41—Winding, unwinding
    • B65H2301/415—Unwinding
    • B65H2301/41505—Preparing unwinding process
    • B65H2301/41508—Preparing unwinding process the web roll being in the unwinding support / unwinding location
    • B65H2301/41509—Preparing unwinding process the web roll being in the unwinding support / unwinding location opening web roll and related steps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2406/00—Means using fluid
    • B65H2406/10—Means using fluid made only for exhausting gaseous medium
    • B65H2406/11—Means using fluid made only for exhausting gaseous medium producing fluidised bed
    • B65H2406/113—Details of the part distributing the air cushion
    • B65H2406/1132—Multiple nozzles arrangement
    • B65H2406/11325—Adjustable impact angle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2406/00—Means using fluid
    • B65H2406/10—Means using fluid made only for exhausting gaseous medium
    • B65H2406/12—Means using fluid made only for exhausting gaseous medium producing gas blast
    • B65H2406/122—Nozzles
    • B65H2406/1222—Nozzles adjustable impact angle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
    • B65H2511/10—Size; Dimensions
    • B65H2511/14—Diameter, e.g. of roll or package
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2513/00—Dynamic entities; Timing aspects
    • B65H2513/10—Speed
    • B65H2513/11—Speed angular
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2801/00—Application field
    • B65H2801/84—Paper-making machines
EP22731654.4A 2021-06-07 2022-06-03 Unwinder for web material, provided with systems for reducing dynamic vacuum during unwinding, and related method Active EP4352000B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT102021000014702A IT202100014702A1 (en) 2021-06-07 2021-06-07 UNWINDER FOR TAP MATERIAL WITH SYSTEMS TO REDUCE THE DYNAMIC VACUUM DURING THE UNWIND AND METHOD
PCT/EP2022/065151 WO2022258504A1 (en) 2021-06-07 2022-06-03 Unwinder for web material, provided with systems for reducing dynamic vacuum during unwinding, and related method

Publications (3)

Publication Number Publication Date
EP4352000A1 EP4352000A1 (en) 2024-04-17
EP4352000C0 true EP4352000C0 (en) 2025-07-30
EP4352000B1 EP4352000B1 (en) 2025-07-30

Family

ID=77519654

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22731654.4A Active EP4352000B1 (en) 2021-06-07 2022-06-03 Unwinder for web material, provided with systems for reducing dynamic vacuum during unwinding, and related method

Country Status (5)

Country Link
EP (1) EP4352000B1 (en)
BR (1) BR112023025474A2 (en)
IT (1) IT202100014702A1 (en)
PL (1) PL4352000T3 (en)
WO (1) WO2022258504A1 (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3820846A1 (en) * 1988-06-21 1989-12-28 Jagenberg Ag METHOD AND DEVICE FOR APPROACHING THE START OF A MATERIAL RAIL, IN PARTICULAR A PAPER RAIL, FROM A BOTTOM OF A ROLLER MACHINE ROLL
US6722606B2 (en) * 2001-11-13 2004-04-20 Kimberly-Clark Worldwide, Inc. System and method for simultaneously unwinding multiple rolls of material
FI20086059A7 (en) * 2008-11-10 2010-05-11 Metso Paper Inc Method in connection with a fiber web slitter

Also Published As

Publication number Publication date
IT202100014702A1 (en) 2022-12-07
EP4352000A1 (en) 2024-04-17
PL4352000T3 (en) 2025-12-15
EP4352000B1 (en) 2025-07-30
BR112023025474A2 (en) 2024-02-27
WO2022258504A1 (en) 2022-12-15

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