BR112023025474A2 - Desenrolador para material de trama dotado de sistemas para reduzir o vácuo dinâmico durante o desenrolamento e método relacionado - Google Patents

Desenrolador para material de trama dotado de sistemas para reduzir o vácuo dinâmico durante o desenrolamento e método relacionado

Info

Publication number
BR112023025474A2
BR112023025474A2 BR112023025474A BR112023025474A BR112023025474A2 BR 112023025474 A2 BR112023025474 A2 BR 112023025474A2 BR 112023025474 A BR112023025474 A BR 112023025474A BR 112023025474 A BR112023025474 A BR 112023025474A BR 112023025474 A2 BR112023025474 A2 BR 112023025474A2
Authority
BR
Brazil
Prior art keywords
weft material
systems
related method
vacuum during
unwinner
Prior art date
Application number
BR112023025474A
Other languages
English (en)
Portuguese (pt)
Inventor
Fabrizio Tonello
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 BR112023025474A2 publication Critical patent/BR112023025474A2/pt

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

Landscapes

  • Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)
  • Lubricants (AREA)
  • Looms (AREA)
BR112023025474A 2021-06-07 2022-06-03 Desenrolador para material de trama dotado de sistemas para reduzir o vácuo dinâmico durante o desenrolamento e método relacionado BR112023025474A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT102021000014702A IT202100014702A1 (it) 2021-06-07 2021-06-07 Svolgitore per materiale nastriforme con sistemi per ridurre il vuoto dinamico durante lo svolgimento e metodo
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
BR112023025474A2 true BR112023025474A2 (pt) 2024-02-27

Family

ID=77519654

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112023025474A BR112023025474A2 (pt) 2021-06-07 2022-06-03 Desenrolador para material de trama dotado de sistemas para reduzir o vácuo dinâmico durante o desenrolamento e método relacionado

Country Status (4)

Country Link
EP (1) EP4352000A1 (it)
BR (1) BR112023025474A2 (it)
IT (1) IT202100014702A1 (it)
WO (1) WO2022258504A1 (it)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3820846A1 (de) * 1988-06-21 1989-12-28 Jagenberg Ag Verfahren und vorrichtung zum heranfuehren des anfanges einer materialbahn, insbesondere einer papierbahn, von unten an eine rollmaschinenwalze
US6722606B2 (en) * 2001-11-13 2004-04-20 Kimberly-Clark Worldwide, Inc. System and method for simultaneously unwinding multiple rolls of material
FI20086059L (fi) * 2008-11-10 2010-05-11 Metso Paper Inc Menetelmä kuiturainan pituusleikkurin yhteydessä

Also Published As

Publication number Publication date
IT202100014702A1 (it) 2022-12-07
WO2022258504A1 (en) 2022-12-15
EP4352000A1 (en) 2024-04-17

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