PL4352000T3 - Unwinder for web material provided with means for reducing dynamic vacuum during unwinding, and related method - Google Patents

Unwinder for web material provided with means for reducing dynamic vacuum during unwinding, and related method

Info

Publication number
PL4352000T3
PL4352000T3 PL22731654.4T PL22731654T PL4352000T3 PL 4352000 T3 PL4352000 T3 PL 4352000T3 PL 22731654 T PL22731654 T PL 22731654T PL 4352000 T3 PL4352000 T3 PL 4352000T3
Authority
PL
Poland
Prior art keywords
unwinder
web material
material provided
related method
vacuum during
Prior art date
Application number
PL22731654.4T
Other languages
Polish (pl)
Inventor
Fabrizio Tonello
Original Assignee
Andritz Pulp & Paper Italy S.R.L.
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 Andritz Pulp & Paper Italy S.R.L. filed Critical Andritz Pulp & Paper Italy S.R.L.
Publication of PL4352000T3 publication Critical patent/PL4352000T3/en

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
PL22731654.4T 2021-06-07 2022-06-03 Unwinder for web material provided with means for reducing dynamic vacuum during unwinding, and related method PL4352000T3 (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 (1)

Publication Number Publication Date
PL4352000T3 true PL4352000T3 (en) 2025-12-15

Family

ID=77519654

Family Applications (1)

Application Number Title Priority Date Filing Date
PL22731654.4T PL4352000T3 (en) 2021-06-07 2022-06-03 Unwinder for web material provided with means 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
FI20086059L (en) * 2008-11-10 2010-05-11 Metso Paper Inc The method in connection with a fiber web length cutter

Also Published As

Publication number Publication date
BR112023025474A2 (en) 2024-02-27
IT202100014702A1 (en) 2022-12-07
WO2022258504A1 (en) 2022-12-15
EP4352000B1 (en) 2025-07-30
EP4352000C0 (en) 2025-07-30
EP4352000A1 (en) 2024-04-17

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