EP1849914A1 - Verfahren und System zum Verarbeiten von Tissuepapier unter Verwendung von Nassverfestigungsmitteln - Google Patents

Verfahren und System zum Verarbeiten von Tissuepapier unter Verwendung von Nassverfestigungsmitteln Download PDF

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Publication number
EP1849914A1
EP1849914A1 EP07425236A EP07425236A EP1849914A1 EP 1849914 A1 EP1849914 A1 EP 1849914A1 EP 07425236 A EP07425236 A EP 07425236A EP 07425236 A EP07425236 A EP 07425236A EP 1849914 A1 EP1849914 A1 EP 1849914A1
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EP
European Patent Office
Prior art keywords
wet strength
ply
rolls
converting
tissue paper
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.)
Granted
Application number
EP07425236A
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English (en)
French (fr)
Other versions
EP1849914B1 (de
Inventor
Emi Stefani
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.)
Delicarta SpA
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Delicarta 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
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Priority to PL07425236T priority Critical patent/PL1849914T3/pl
Publication of EP1849914A1 publication Critical patent/EP1849914A1/de
Application granted granted Critical
Publication of EP1849914B1 publication Critical patent/EP1849914B1/de
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Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
    • D21H27/002—Tissue paper; Absorbent paper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H37/00—Article or web delivery apparatus incorporating devices for performing specified auxiliary operations
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
    • D21H21/18—Reinforcing agents
    • D21H21/20—Wet strength agents
    • 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
    • B65H2301/50—Auxiliary process performed during handling process
    • B65H2301/51—Modifying a characteristic of handled material
    • B65H2301/514—Modifying physical properties
    • B65H2301/5142—Moistening
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/19—Specific article or web
    • B65H2701/1924—Napkins or tissues, e.g. dressings, toweling, serviettes, kitchen paper and compresses
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
    • D21H27/002—Tissue paper; Absorbent paper
    • D21H27/008—Tissue paper; Absorbent paper characterised by inhomogeneous distribution or incomplete coverage of properties, e.g. obtained by using materials of chemical compounds

Definitions

  • the present invention relates to paper converting systems and methods, specifically for tissue paper, with which rolls of toilet paper, kitchen towels, paper handkerchiefs, paper napkins and the like are produced.
  • a ply of cellulose fibers is normally formed with a dry or - more frequently - wet technique.
  • the ply is obtained by distributing a pulp of cellulose fibers on a forming screen and then gradually draining the water to obtain a ply of sufficient consistency, which is dried in a suitable way, using a Yankee drum, a TAD system or the like.
  • the dried ply is then wound in reels of large diameter. These reels are subsequently converted, using converting lines, into the finished product.
  • one or more reels of cellulose ply are unwound to feed the continuous web material to converting machines that produce finished products in the form of rolls, packets of handkerchiefs, packets of napkins or the like.
  • composition of the ply of cellulose fibers changes as a function of the final use for which the product produced with the ply of cellulose fibers is intended.
  • a certain quantity of one or more wet strength resins is added to the pulp of cellulose fibers with which the ply is formed; these are resins that give the paper ply at least temporary mechanical strength when wet. This allows said type of paper to be used to clean and dry washable surfaces, for culinary uses and the like, or also as paper sheets replacing conventional cloth towels.
  • wet strength resins for these uses are described in the following United States patents: 6,852,197 ; 6,702,923 ; 6,423,179 ; 6,207,013 ; 6,149,769 ; 6,059,928 ; 5,760,212 ; 5,264,082 ; 5,138,002 ; 4,981,557 .
  • the content of these documents forms an integral part of the present description.
  • the entire ply produced in the continuous machine has substantially the same composition and the same wet strength characteristics.
  • a system is used to produce plies of cellulose fibers in which the pulp is fed continuously onto a felt or cloth through one or more headboxes.
  • An example of a headbox for this use is described in the patent USA n. 5,560,807 .
  • wet strength is not desired, but is instead a disadvantage.
  • the ply of cellulose fibers must disintegrate upon contact with water to allow easy disposal in waste water systems, preventing pipes from clogging and facilitating decomposition in septic tanks and purification plants.
  • wet strength resins are not added to the cellulose pulp with which the ply of tissue paper is produced, or only a minimum quantity is added.
  • an object of a possible embodiment of the present invention is to provide a production method or process that allows greater flexibility to be obtained, or products intended for different uses to be produced even simultaneously on the same line for converting a cellulose material and preferably a cellulose material of indefinite length, i.e. typically in the form of a web or ply.
  • Cellulose material is intended, in general, as a semi-finished material obtained by depositing one or more layers containing cellulose fibers.
  • the invention relates in particular to a method for processing or converting a ply or a plurality of plies of tissue paper obtained by a wet process, i.e. in which the ply containing cellulose fibers is obtained from an aqueous suspension of cellulose fibers and any other components, additives, fillers, or the like as required.
  • the present invention can also be applied to "dry" production, converting or manufacturing processes of plies, layers or sheets of paper, i.e. obtained using the air-laid technique, in which the cellulose fibers are deposited to form a ply, subsequently consolidated in a suitable manner, without being carried in an aqueous suspension.
  • an object of one embodiment of the present invention is to provide a system or line for converting tissue paper or other cellulose material, which is more flexible, or which allows even simultaneous production of products intended for different uses.
  • an object of an embodiment of the invention is to provide a method or a production system or line that allows the production of mixed packs containing products intended for different uses, such as kitchen towel and toilet paper.
  • a system for converting tissue paper comprising a path for said tissue paper, at least one unwinder to unwind at least one reel of tissue paper and, downstream of said unwinder, at least one converting machine, to convert the tissue paper fed from said unwinder, and along said path at least one applicator to apply at least one wet strength agent to said tissue paper.
  • the wet strength agent is a wet strength resin, although it would also be possible to apply agents of other kinds.
  • the applicator is disposed between the unwinder and the converting machine.
  • the applicator is arranged and designed to apply the wet strength agent to a longitudinal portion of the tissue paper fed from said reel, of lesser width than the overall width of said tissue paper.
  • the converting machine can be any machine, or a series of machines, for example a machine to produce napkins or handkerchiefs, a machine to produce interleaved products or the like.
  • the converting machine comprises a rewinder.
  • the converting machine can be combined with other units, apparatus or machines, such as embossing units, embossing-laminating units, ply-bonding units, printing units, joining units to join two or more plies together or other machinery useful for producing a finished product with specific aesthetic or functional characteristics.
  • the rewinder comprises means to distribute the wet strength agent directly in the winding area.
  • the wet strength agent can be applied upstream of the rewinding area.
  • the rewinder can advantageously be a central rewinder, but will preferably be a peripheral rewinder or a combined rewinder with peripheral and central winding systems coordinated with each other.
  • a drying device can be disposed downstream of the applicator that applies the wet strength agent. This drying device can be disposed upstream of said converting machine, so that the web material reaches the converting machine already dry.
  • the system comprises a device for dividing the tissue paper delivered from said reel into at least two longitudinal portions, and separate paths for said at least two portions, along each of said separate paths there being disposed at least one respective converting machine to convert said two portions into different products.
  • a single path and (in the case of producing products in a roll) the web material or tissue paper will be wound to form a series of rolls all of a length substantially the same as the width of the web material delivered from the parent reel(s) placed in an unwinder or other suitable device of the system.
  • a rewinder can be disposed in each of said separate paths.
  • said paths can comprise at least partly different machines.
  • an advantageous embodiment of the invention relates to a method to produce tissue paper products comprising the steps of:
  • tissue paper is preferably converted into rolls, although it would also be possible to manufacture products of other type, for example folded articles, such as handkerchiefs or napkins.
  • the wet strength agent (preferably although not exclusively a wet strength resin) is applied to a longitudinal portion of said ply of tissue paper, of lesser width than the overall width of said ply.
  • the ply of paper is divided longitudinally into at least two portions, said wet strength agent being applied to a first of said portions and not applied to a second portion.
  • the different longitudinal portions are converted into products of different type.
  • longitudinal division of the web material into several longitudinal portions is not necessarily intended as physical separation of two or more portions, by a cut or a longitudinal cutting line. This term is instead intended as dividing physically or even only functionally the web material into several longitudinal portions. In the second case, the longitudinal portions are not separated from one another during processing but if necessary after processing, in the step to cut the rolls or of division into longitudinal strips sent to a folding machine or the like.
  • the longitudinal portions into which the ply of tissue paper is divided can if necessary be separated and fed to distinct sections of the system, but according to a possible embodiment of the method they will remain joined and fed to a single line or section of the system, to be cut if necessary after further converting operations, such as a winding step.
  • the rolls or logs of wound paper will be cut by a cutting machine also at the ideal separation line of the two or more portions into which the web material has been separated (in the above sense).
  • said first portion into which the ply of tissue paper is divided is converted into rolls of kitchen towel and said second portion of the ply of tissue paper is converted into toilet paper.
  • the ply of tissue paper is dried after application of the wet strength resin, although this is not normally necessary.
  • the tissue paper can be composed of one, two or more plies that are joined together in a known manner, such as by mechanical ply-bonding, embossing, gluing or the like, or by a combination of these techniques.
  • the two or more plies can be fed from the same reel on which two or more plies are wound, or from different reels.
  • the present invention relates to a pack of tissue paper products, comprising at least two products with different functional characteristics.
  • the term functional characteristic is intended as a characteristic that influences the mode of use or the properties of the product, including aesthetic properties.
  • Functional characteristics in general can include: the form of the product (i.e. a product wound in a roll or a folded product); or the greater or lesser wet strength and therefore the presence or absence, or greater or lesser quantity, of wet strength agents; or the presence or absence of printed patterns or the presence of different printed patterns; the presence or absence of embossing, or the different shape of embossing; or yet again the different dimension of the products, etc.
  • Products that differ from one another through a combination of functional characteristics can also be included.
  • the pack comprises two types of cellulose products, preferably made of tissue paper, wound in a roll.
  • a first product is constituted by rolls of toilet paper and a second product is constituted by rolls of kitchen towel.
  • the two products differ above all by the different dimension, i.e. the different axial length of the rolls.
  • the rolls of toilet paper will have an axial length equivalent to half that of the rolls of kitchen towel.
  • the two types of roll will preferably also differ by further functional characteristics such as: the presence of resins or other wet strength agents in the rolls of kitchen towel and the absence (or presence in substantially lesser quantities) of these agents in the toilet paper; possible differences in embossing; possible differences in printed patterns.
  • the ratio between number of rolls of toilet paper and number of rolls of kitchen towel will take into account, in addition to packaging needs, also the different consumption of these products in an average family. It has been found that consumption of rolls of toilet paper is typically higher than consumption of rolls of kitchen towel.
  • the pack can contain two rolls of kitchen towel and four rolls of toilet paper, or six rolls of toilet paper. Larger packs can have a multiple number of rolls of the two types of product.
  • wet strength resins This term must not be interpreted in a limited sense, as the use of any agent falls within the scope of the present invention, even with a different formulation to that of a conventional resin, which imparts the necessary temporary wet strength to the cellulose products, to allow or facilitate use in particular applications, such as a kitchen towel.
  • FIG. 1 schematically and briefly illustrates a possible converting line designed according to the invention.
  • the line is concisely composed of the following components: a pair of unwinders 1A, 1 B, in which there are disposed reels BA, BB of ply of tissue paper with which the converting line is fed; an embossing unit 3, in which the plies VA, VB fed from the reels BA, BB are embossed and joined together, a station 5 for applying wet strength resins to the embossed plies; a rewinder 7 for producing rolls or logs of an axial length equivalent to the width of the plies fed from the parent reels BA, BB present in the unwinders; a gluing device that seals the free end of the logs formed by the rewinder 7; an optional intermediate magazine or storage unit; a cutting machine that divides the logs into individual small rolls intended for final consumption.
  • the gluing device, the intermediate storage unit and the cutting machine, just as the packaging machines downstream, are not shown in the diagram in
  • the station 5 can comprise one or more devices for applying wet strength resins. These devices can be chosen from known devices for applying liquid substances to plies of tissue paper, for example of the type used in the field to produce scented wipes for cleaning and disinfecting purposes. A device suitable for this purpose is produced by Weko Biel AG (Switzerland) and is known with the name Weko Compact III.
  • FIG. 2 illustrates a diagram of an alternative system implementing the invention.
  • the unwinders and the rewinder are also omitted and the area of the line upstream of the rewinder is shown.
  • This area comprises: a path for a first ply VA; a path for a second ply VB; along the first path a printing unit 21A; along the second path a printing unit 21 B; an embossing unit 23 that embosses the ply VA and joins it by gluing to the ply VB, to form a web material N which is fed to the rewinder, not shown.
  • the printing units 21A, 21 B are used to distribute a wet strength resin on the two plies VA, VB.
  • the printing units for use in tissue paper converting lines are known per se and in general can be adapted to apply a wet strength resin instead of an ink to the entire surface.
  • the printing unit or units to distribute wet strength resins can be disposed downstream of the embossing unit instead of upstream thereof.
  • Two printing units can be provided to apply wet strength resins to both sides of the embossed web material.
  • wet strength resin applicator units can be combined with units that apply the actual printed pattern to the web material.
  • the unit or station 5 can be disposed differently, e.g. downstream of the embosser.
  • the application area of these resins can be limited, i.e. instead of applying the wet strength resin to the entire width of the web material, it can be distributed only on a longitudinal band of limited width.
  • Figure 3 diagrammatically represents the main converting steps of the web material from the reel of large diameter to the finished rolls.
  • the letter B indicates a reel, it being understood that two or more reels and/or individual reels with several plies could be used to produce the small rolls.
  • the reel B is unwound and the web material N is rewound forming the logs L. These are then cut to form small rolls RA, RB.
  • the wet strength resin is applied to a portion or area in the form of a longitudinal band or strip S1 of the web material N, while this resin is not applied in the adjacent area or band S2.
  • the band S2 reaches the converting area and in particular the rewinding machine without the addition of wet strength resins and this strip is used to produce rolls of toilet paper RB, while the strip S1, to which the wet strength resin has been applied in the specific station provided between the unwinder and the rewinder, is used to produce rolls of kitchen towel RA.
  • the systems to apply wet strength resins can extend for at least the total width of the ply or web material N to be converted and limited portions of these systems can be activated.
  • the applicator means can have a plurality of rotating discs aligned in a transverse direction (i.e. orthogonal to the direction of feed of the ply material). Some of these rotating discs can be deactivated, or the nozzles through which the wet strength resins are sprayed onto the paper material can be closed.
  • distributor rollers can be used, or several distributor rollers aligned axially which can be carried respectively to the operating or idle position.
  • the logs L produced by the rewinder in general will have a portion PA of paper treated with wet strength resins, and a portion PB not treated with these resins.
  • the two portions are divided into rolls of kitchen towel RA and of toilet paper RB respectively.
  • the entire line is controlled by a control unit that synchronizes the position of the blade of the cutting machine and of the means to feed the log in the cutting machine so as to cut the two areas of the log into a suitable number of rolls RA and RB, where the separation line between the two groups of rolls coincides with the separation line of the two strips S1, S2 and consequently of the two areas or portions PA, PB, respectively treated with wet strength resins and untreated.
  • the width of the strips S1 and S2 respectively treated with wet strength resins and untreated can be modified as a function of the specific production needs.
  • a single ply or multi-ply web material which is partially treated with wet strength resins and partially untreated can be produced from the same reel or from the same plurality of reels.
  • the material can thus be divided into two portions with which two different types of finished products are produced. Nonetheless, to the consumer the rolls RA and RB appear substantially identical to one another (with the exception of axial length which will be greater for the rolls RA of kitchen towel and lesser for the rolls RB of toilet paper).
  • embossing units with different patterns can be used for the different types of finished product obtained from the same converting line.
  • differentiation between products e.g. kitchen towel and toilet paper
  • different printed patterns for the different products.
  • the method and the system according to the invention also make the production line more flexible, passing from the production of toilet paper to the production of kitchen towel without replacing the reels in the machine. It is also possible to modify the quantity of rolls of kitchen towel and the quantity of rolls of toilet paper produced simply by modifying the width of the strips S1 and S2 without stopping the production line. In fact, all the machines or stations of which said line is composed are interfaced with one or more programmable electronic control units which allow the production parameters to be modified directly from the keypad on the machine control panel.
  • wet strength agents such as wet strength resins
  • the application of wet strength agents, such as wet strength resins, during converting can also take place on cellulose web materials already containing wet strength agents added to the pulp with which the initial material was formed.
  • resins or other wet strength agents during converting, for example upstream of the rewinder, increased values of wet strength agents can be obtained with respect to those obtainable when these agents are added only to the pulp in the paper mill. This results in greater wet strength.
  • the wet strength resin or resins or other wet strength agent can be added to the entire width of the cellulose web material, or only to a longitudinal portion thereof, to obtain at the end of the line two different products from the same reel or same series of reels.
  • FIG 4 schematically shows a mixed pack, which contains rolls of toilet paper RB and rolls of kitchen towel RA.
  • the rolls can be obtained from a line of the type shown in Figure 3, taking care to produce in each log L areas PA and PB of an axial length suitable to obtain from each log a full number of rolls RA and RB where the axial length of the rolls RB is approximately half that of the rolls RA.
  • This facilitates packaging, as is clearly understood from Figure 4.
  • a pack is obtained that is uniform and easy to handle in the production and storage step, with (in the example) two rolls of kitchen towel RA and eight rolls of toilet paper, the rolls of toilet paper being disposed on top of each other in pairs adjacent to the rolls of kitchen towel.
  • the number of rolls can vary with respect to those shown. For example, four rolls of toilet paper and two rolls of kitchen towel, or three rolls of kitchen towel and six of toilet paper can be provided, as shown by way of example in the pack in Figure 5, etc.
  • Approximately corresponding to is intended as a dimension that differs from the exact measurement by a quantity corresponding to a value determined by the width of the trimming(s), which are normally generated when the log L is divided into individual rolls.
  • a head trimming and a tail trimming are generated in each log to eliminate the two outer edges of the web material, which can have irregularities.

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EP07425236A 2006-04-28 2007-04-20 Verfahren und system zum verarbeiten von tissuepapier unter verwendung von nassverfestigungsmitteln Active EP1849914B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL07425236T PL1849914T3 (pl) 2006-04-28 2007-04-20 Sposób i system do przetwarzania papieru bibułkowego z zastosowaniem środków zwiększających wytrzymałość w stanie mokrym

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT000100A ITFI20060100A1 (it) 2006-04-28 2006-04-28 Metodo e impianto per la trasformazione di carta tissue con applicazione di agenti umido-resistenti

Publications (2)

Publication Number Publication Date
EP1849914A1 true EP1849914A1 (de) 2007-10-31
EP1849914B1 EP1849914B1 (de) 2010-01-06

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Family Applications (1)

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EP07425236A Active EP1849914B1 (de) 2006-04-28 2007-04-20 Verfahren und system zum verarbeiten von tissuepapier unter verwendung von nassverfestigungsmitteln

Country Status (7)

Country Link
EP (1) EP1849914B1 (de)
AT (1) ATE454497T1 (de)
DE (1) DE602007004144D1 (de)
ES (1) ES2336716T3 (de)
IT (1) ITFI20060100A1 (de)
PL (1) PL1849914T3 (de)
PT (1) PT1849914E (de)

Cited By (5)

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Publication number Priority date Publication date Assignee Title
EP2520206A1 (de) * 2009-12-28 2012-11-07 Daio Paper Corporation Verfahren zur herstellung einer zweiten ganzen rolle für ein tissuepapierprodukt
JP2017086959A (ja) * 2009-12-28 2017-05-25 大王製紙株式会社 ティシュペーパー製品の製造方法
IT201600072709A1 (it) * 2016-07-12 2018-01-12 Perini Fabio Spa Linea di trasformazione per carta tissue e metodo
WO2018234399A1 (en) * 2017-06-22 2018-12-27 Fabio Perini S.P.A. MACHINE AND METHOD FOR PRODUCING ROLL PACKAGES AND PACKAGING
US20220090326A1 (en) * 2020-09-24 2022-03-24 First Quality Tissue, Llc Systems and methods for application of surface chemistry to bath tissue, facial tissue, and paper towel

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EP0875233A1 (de) * 1997-04-24 1998-11-04 Fort James Corporation Mit Lotion behandeltes Substrat
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WO2005038132A2 (en) * 2003-10-16 2005-04-28 The Procter & Gamble Company Temporary wet strength additives
WO2006044117A2 (en) * 2004-10-20 2006-04-27 Kemira Oyj Temporary wet strength system for tissue paper

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US5560807A (en) * 1995-03-29 1996-10-01 Beloit Technologies, Inc. Headbox additive injection system
EP0875233A1 (de) * 1997-04-24 1998-11-04 Fort James Corporation Mit Lotion behandeltes Substrat
US6423179B1 (en) * 1998-12-11 2002-07-23 Sca Hygiene Products Ab Method for increasing the wet strength of a tissue material
US6702923B1 (en) * 1999-11-19 2004-03-09 Akzo Nobel Nv Wet strength agent and method for production thereof
US6852197B2 (en) * 1999-11-19 2005-02-08 Akzo Nobel Nv Wet strong tissue paper
US6752344B1 (en) * 1999-12-02 2004-06-22 Fabio Perini S.P.A. Machine and method for the production of rolls of impregnated web material
WO2005038132A2 (en) * 2003-10-16 2005-04-28 The Procter & Gamble Company Temporary wet strength additives
WO2006044117A2 (en) * 2004-10-20 2006-04-27 Kemira Oyj Temporary wet strength system for tissue paper

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2520206A1 (de) * 2009-12-28 2012-11-07 Daio Paper Corporation Verfahren zur herstellung einer zweiten ganzen rolle für ein tissuepapierprodukt
EP2520206A4 (de) * 2009-12-28 2014-09-17 Daio Seishi Kk Verfahren zur herstellung einer zweiten ganzen rolle für ein tissuepapierprodukt
JP2017086959A (ja) * 2009-12-28 2017-05-25 大王製紙株式会社 ティシュペーパー製品の製造方法
US10085600B2 (en) 2009-12-28 2018-10-02 Daio Paper Corporation Method of manufacturing secondary paper roll for tissue paper products
IT201600072709A1 (it) * 2016-07-12 2018-01-12 Perini Fabio Spa Linea di trasformazione per carta tissue e metodo
WO2018011033A1 (en) * 2016-07-12 2018-01-18 Fabio Perini S.P.A. Tissue paper converting line and method
CN109963982A (zh) * 2016-07-12 2019-07-02 法比奥·泼尼股份公司 薄纸转换生产线和方法
US11174595B2 (en) 2016-07-12 2021-11-16 Fabio Perini S.P.A. Tissue paper converting line and method
WO2018234399A1 (en) * 2017-06-22 2018-12-27 Fabio Perini S.P.A. MACHINE AND METHOD FOR PRODUCING ROLL PACKAGES AND PACKAGING
US20220090326A1 (en) * 2020-09-24 2022-03-24 First Quality Tissue, Llc Systems and methods for application of surface chemistry to bath tissue, facial tissue, and paper towel

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PT1849914E (pt) 2010-02-15
ES2336716T3 (es) 2010-04-15
ATE454497T1 (de) 2010-01-15
PL1849914T3 (pl) 2010-06-30
EP1849914B1 (de) 2010-01-06
DE602007004144D1 (de) 2010-02-25
ITFI20060100A1 (it) 2007-10-29

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