EP3858593A1 - Dispositif et procédé d'encollage multicolore de tissus ayant au moins deux couches - Google Patents

Dispositif et procédé d'encollage multicolore de tissus ayant au moins deux couches Download PDF

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Publication number
EP3858593A1
EP3858593A1 EP20154054.9A EP20154054A EP3858593A1 EP 3858593 A1 EP3858593 A1 EP 3858593A1 EP 20154054 A EP20154054 A EP 20154054A EP 3858593 A1 EP3858593 A1 EP 3858593A1
Authority
EP
European Patent Office
Prior art keywords
embossing
roller
top layer
color
elevation
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.)
Pending
Application number
EP20154054.9A
Other languages
German (de)
English (en)
Inventor
Artur Koslowski
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.)
Matthews International GmbH
Original Assignee
Matthews International GmbH
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 Matthews International GmbH filed Critical Matthews International GmbH
Priority to EP20154054.9A priority Critical patent/EP3858593A1/fr
Publication of EP3858593A1 publication Critical patent/EP3858593A1/fr
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F1/00—Mechanical deformation without removing material, e.g. in combination with laminating
    • B31F1/07—Embossing, i.e. producing impressions formed by locally deep-drawing, e.g. using rolls provided with complementary profiles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F2201/00—Mechanical deformation of paper or cardboard without removing material
    • B31F2201/07—Embossing
    • B31F2201/0707—Embossing by tools working continuously
    • B31F2201/0715—The tools being rollers
    • B31F2201/0723—Characteristics of the rollers
    • B31F2201/0733—Pattern
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F2201/00—Mechanical deformation of paper or cardboard without removing material
    • B31F2201/07—Embossing
    • B31F2201/0758—Characteristics of the embossed product
    • B31F2201/0761—Multi-layered
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F2201/00—Mechanical deformation of paper or cardboard without removing material
    • B31F2201/07—Embossing
    • B31F2201/0782—Layout of the complete embossing machine, of the embossing line
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F2201/00—Mechanical deformation of paper or cardboard without removing material
    • B31F2201/07—Embossing
    • B31F2201/0784—Auxiliary operations
    • B31F2201/0787—Applying adhesive

Definitions

  • the invention relates to a device for multicolored gluing of at least two-ply tissue products, comprising a first embossing roller for embossing a top layer, wherein the first embossing roller has at least one first embossing elevation with a first embossing height, at least one second embossing elevation with a second embossing height and at least one third embossing elevation with a having a third embossing height, the third embossing height being greater than the second and the second being greater than the first, the first embossing roller being assigned at least two application units.
  • embossing rollers For this purpose, the use of embossing rollers is known from the prior art, in which two different embossing heights are provided.
  • One of the embossing heights is usually provided for producing fine micro-embossing in order to produce preferred tissue properties such as softness and embossing volume.
  • the embossed elevations with the second embossing height are usually provided for producing decorative elements such as floral patterns.
  • glue is applied to the elements of the second embossing height during the manufacture of the tissue product in order to adhere the different layers to one another. If colored glue is used for this, the corresponding decorative elements can be optically highlighted on the second embossing height.
  • a device for multicolored gluing of at least two-ply tissue products comprising a first embossing roller for embossing an upper layer, wherein the first embossing roller has at least one first embossing elevation with a first embossing height, at least one second embossing elevation with a second embossing height and at least one third embossing elevation with a third embossing height, the third embossing height being greater than the second and the second greater than the first, the first embossing roller being assigned at least two application units, the contact pressure of the first application unit being dimensioned such that the first application unit places the top layer in the area of the at least one second and in the area of the at least one third embossing elevation wetted, and wherein the contact pressure of the second application unit is such that the second application unit wets the top layer only in the area of the at least one third embossing elevation, further comprising a second P
  • the first embossing roller of the tissue processing system according to the invention is equipped with two or more printing or gluing units, which are assigned to the top layer roller.
  • two gluing units instead of several gluing units, one gluing unit and one or more printing units can also be used.
  • the first embossing roller In order to achieve a multicolored coloring of the decorative embossing, it is necessary for the first embossing roller to have more than just two embossing heights.
  • tissue paper products such as toilet paper or kitchen rolls with a two-tone glued design can be produced.
  • the top layer is first embossed between the rubber backing roller and the first embossing roller.
  • the first applicator is pressed so strongly that both the embossing elements on the second embossing height and the embossing elements on the third embossing height are networked with glue / paint.
  • the second commissioned work is only pressed so hard that it only comes into contact with the embossing bumps on the third embossing height and only transfers glue / color to this. If, for example, the first job transfers the color yellow and the second job transfers the color blue, this results in the color yellow on the second embossing height and the mixture of the colors yellow and on the third embossing height Blue to green.
  • the backing is embossed between the rubber backing roller assigned to it and the second embossing roller.
  • a distance of approximately 10 mm can be provided between the two embossing rollers for the top and bottom so that there is no glueing at this point.
  • the gluing only takes place between one of the embossing rollers and the downstream marrying counter roller, which applies the necessary gluing pressure to press the base onto the top layer wetted with glue.
  • the top layer can be glued to the base between the first and the second embossing roller using the top-to-top method.
  • the device further has at least one fourth embossing elevation with a fourth embossing height which is greater than the third embossing height, so that the first application unit and the second application unit each additionally wet the top layer in the area of the at least one fourth embossing elevation, the at least three application units are assigned to the first embossing roller, the contact pressure of the third application unit being dimensioned such that the third application unit only wets the top layer in the area of the at least one fourth embossing elevation.
  • the application units can be arranged in such a way that the first embossing roller first passes the first and then the second application unit and then the optionally available third application unit in the direction of rotation. Any number of application units arranged one behind the other can thus be provided, and a corresponding number of additional embossing heights.
  • the foremost commissioned work can in each case wet the largest number of embossing heights and each downstream commissioned work can be one embossing height less than the previous commissioned work. As a result, it can be provided that the last application unit only wets the greatest embossing height.
  • At least one of the application units applies transparent or colored glue, and at least another one of the application units applies transparent or colored glue or paint. It is necessary that one of the application units applies a glue so that the tissue layers can be glued. On the other hand, it is desirable that only a reduced amount of glue is transferred, since otherwise the desired product properties would not be achieved and larger amounts of glue would make the end product harder.
  • the first application unit can apply a first color and the second application unit a second color, so that the top layer is wetted with the first color in the area of the at least one second embossed elevation and with a mixture of the first and second colors in the area of the at least one third embossed elevation .
  • both application units can apply transparent glue or just a resulting color.
  • the common pressing surface portion of the second and third embossed elevations can be less than the pressing surface portion of the at least one first embossed elevation. Due to the reduced pressing area of the elements on the second embossing height, it is achieved that only a reduced amount of glue is transferred. This is desirable because a large amount of glue would make the final product harder.
  • the micro-embossings in toilet paper usually make up a significantly larger proportion than the decorative parts. Alternatively, it can be provided that no micro-embossing is applied, but only decorative embossing. This is the rule for kitchen roll products, for example.
  • the top layer can be embossed between a first rubber backing roller assigned to the first embossing roller and the first embossing roller and the backing can be embossed between a second rubber backing roller assigned to the second embossing roller and the second embossing roller.
  • the embossing rollers are pressed with a contact pressure against the corresponding rubber counter rollers, through which all embossing elevations of all different embossing heights are introduced into the layer to be processed.
  • the at least one first embossing elevation of the first embossing roller can be designed for embossing a micro-embossing.
  • the second and / or third embossing elevations of the first embossing roller can be designed for embossing a decorative embossing.
  • Embossing surveys for embossing Decorative embossing is used to create decorative elements in the finished tissue paper. Elements can be, for example, flower patterns, clouds, etc. Therefore, embossed elevations for producing decorative embossings can on the one hand have a wider cross-section and, on the other hand, significantly greater length extensions than the embossed elevations provided for micro-embossing.
  • the at least one fourth embossing elevation of the first embossing roller can be designed for embossing a decorative embossing.
  • the decorative embossing By dividing individual elements of the decorative embossing to be produced into different embossed elevations with different embossing heights, it is possible to display different elements of an object to be depicted in different colors. For example, when depicting a flower, the petals can be made yellow and the stem green.
  • the second embossing roller can have a plurality of embossing elevations with the same height.
  • the second embossing roller can also have embossing elevations of different heights.
  • the embossed elevations of the second embossing roller can in particular be designed for embossing a micro-embossing.
  • embossing elevations of the second embossing roller can be designed for embossing top-to-top or a nested configuration.
  • the top layer can be embossed by means of an embossing roller to which at least two application units are assigned, the first color corresponding to a first application color and the second color being able to correspond to a mixture of the first with a second application color.
  • the embossing of a top layer further comprises the application of decorative embossments in a third color, the third color corresponding to a mixture of the first, the second and a third application color.
  • the joining of the top layer and the base can take place between a marrying roller and one of the first or the second roller.
  • the joining of the top layer and the base can alternatively take place in the top-to-top method between the first and the second embossing roller.
  • Figure 1 shows a tissue processing system known from the prior art, which has two embossing rollers 1, 2, in which the embossing roller 1 used to emboss the top layer of the tissue has two different types of embossing elevations 11, 12 with different embossing heights, a first embossing height h 1 and a second Embossing height h2, the second height h 2 being greater than the first height h 1 .
  • the first embossed elevations 11 with an embossing height h 1 are designed as a fine micro-embossing.
  • the second embossing elevations 12 with the embossing height h 2 are designed to produce decorative elements on the tissue product.
  • the second embossing elevations 12 can be optically emphasized on the second embossing height h 2. With the device from the prior art shown, however, it is only possible to highlight either all the elements that are to be glued or, if transparent glue is used, none of them.
  • FIG 2 An embodiment of the device according to the invention for the multicolored gluing of at least two-ply tissue products is shown, having a first embossing roller 1 for embossing a top layer 8 of the tissue product to be produced, the first embossing roller 1 having first, second and third embossing elevations 11, 12, 13 with different ones Heights h 1 , h 2, h 3 has.
  • the top layer 8 fed in the feed direction is deflected by a rubber counter roller 5 so that the top layer is embossed in a nip formed between the rubber counter roller 5 and the first embossing roller 1.
  • the infeed between the two rollers 1, 5 is dimensioned in such a way that all embossing elevations 11, 12, 13 come into contact with the rubber counter roller 5 and thus the fed top layer 8 is grasped and embossed by all embossing elevations.
  • the top layer 8 resting on the first embossing roller 1 then passes a first application unit 3 and a second downstream application unit 4, each of which can be designed as a glue unit or as a printing unit, although at least one glue unit is provided.
  • the first application unit 3 can wet the top layer 8 with a first color 15, for example yellow, the contact pressure of the first application unit 3 against the first embossing roller 1 being such that, on the one hand, the second embossing elevations 12 with the height h 2 and, on the other hand, the third embossed elevations 13 with the height h 3 are wetted with yellow paint.
  • the second applicator 4 can wet the top layer 8 with a second color 16, for example blue, the contact pressure of the second applicator 4 being such that only the third embossed bumps 13 with height h 3 are wetted with blue ink.
  • the device has a second embossing roller 2 on which a plurality of embossing elevations 14 are formed, each of which has the same height.
  • a base 9 is deflected from a feed direction around a rubber backing roller 6 into a nip between the rubber backing roller 6 and the second embossing roller 2, the infeed in the roller gap being dimensioned so that the pressure between the second embossing roller 2 and the rubber backing roller 6 embossings corresponding to the embossing elevations 14 on the second embossing roller 2 are produced on the base 9.
  • both layers 8, 9 are passed through a gap between the first embossing roller 1 and the second embossing roller 2 and then assigned to a roller gap between one of the first embossing roller 1 Marrying roller 7 and the first embossing roller 1 are joined together so that, after passing through the nip between the marrying roller 7 and the first embossing roller 1, the finished tissue product 10 can be removed in a third removal direction. Since a distance of approx. 10mm is provided between the two embossing rollers 1, 2 for the top and bottom, there is no glueing at this point.
  • Figure 3 shows an exemplary embodiment of a surface of a first embossing roller 1 with three different types of first, second and third embossing elevations 11, 12 and 13, which each have different heights h 1 , h 2 and h 3 , the height h 3 being greater than the height h 2 and the size h 2 being greater than the height h 1 .
  • the embossed elevations 11 for producing micro-embossings have a smaller cross section than the embossed elevations 12 or 13 provided for decorative embossings.
  • several of the embossed reliefs 11 are arranged next to one another and are at a small distance from one another.
  • the Figure 3 shows the first embossing roller 1 in the state after passing the rubber counter roller 5 and both application units 3, 4 . It is particularly noticeable that in the area of both embossed elevations 12 and 13, that is to say both at height h 3 and at height h 2, the top layer 8 has been wetted with a first application color 15. It is also noticeable that the top layer 8 was wetted with the second application color 16 only in the area of the third embossed elevation 13. This selective color separation is achieved in particular in that the first and second application mechanisms 3, 4 are pressed against the first embossing roller 1 with different contact pressure.
  • the contact pressure of the first application unit three is dimensioned such that the top layer 8 is wetted with paint both in the area of the second embossing elevations 12 and in the area of the third embossing exercises 13.
  • the contact pressure of the second application unit 4 is lower, so that the top layer 8 is only wetted with paint in the area of the higher, third embossed elevation 13.
  • a toilet paper product is to be produced in which embossed decorative elements are provided in the form of flowers, in which the flowers are colored yellow and the stems and leaves are colored green.
  • An embossing roller with three embossing heights is used for the top layer.
  • the first embossed elevations 11 with embossing height h 1 are used to produce a micro-embossing, which is applied without additional glue or paint.
  • the second embossed elevations 12 with embossing height h 2 are used to produce the petals, which are therefore wetted with yellow glue.
  • the third embossed elevations 13 with embossing height h 3 are used to produce the stems and leaves, which is therefore wetted with blue glue.
  • the top layer 8 is completely embossed between the rubber backing roller 5 and the first embossing roller 1 for the top layer 8.
  • the application unit 3 designed as a glue unit, is pressed so strongly that both the elements on the second h 2 and on the third embossing height h 3 are wetted with glue or paint, so that the color yellow is transferred to the top layer 8 in these areas.
  • the base 9 is fully embossed separately between the further rubber counter roller 6 and the second embossing roller 2 for the base 9. Since a distance of approx. 10mm is provided between the two embossing rollers 1, 2 for top and bottom 8, 9, there is no glueing at this point. The gluing pressure is only applied by the marrying roller 7, which presses the base 9 onto the top layer 8 which is wetted with glue.
  • a kitchen roll product is to be manufactured in which only the logo and the name lettering are highlighted in color.
  • the first embossed elevations 11 with embossing height h 1 are unnecessary here, since micro-embossing is generally not carried out on kitchen roll products.
  • the second embossed elevations 12 with embossing height h 2 are used to produce all decorative embossed elements.
  • the third embossed elevations 13 with embossing height h 3 are used to emboss a company name and a company logo; these should be highlighted in blue.
  • the top layer 8 is fully embossed between the rubber backing roller 5 and the first embossing roller 1.
  • the first application unit 3, designed as a glue unit, is pressed so strongly that the top layer 8 is wetted with transparent glue both in the area of the elements on the second and in the area of the elements on the third embossing height h 2 , h 3.
  • the second application unit 4, designed as a glue unit, is only pressed so strongly that the top layer 8 only comes into contact with the elements at the third embossing height h 3.
  • the blue glue is only transferred to these elements and the company name and logo are highlighted in color and in relief.
  • the base is embossed in the classic nested configuration and glued to the top layer with the help of the marrying roller.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Machines For Manufacturing Corrugated Board In Mechanical Paper-Making Processes (AREA)
  • Sanitary Thin Papers (AREA)
EP20154054.9A 2020-01-28 2020-01-28 Dispositif et procédé d'encollage multicolore de tissus ayant au moins deux couches Pending EP3858593A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP20154054.9A EP3858593A1 (fr) 2020-01-28 2020-01-28 Dispositif et procédé d'encollage multicolore de tissus ayant au moins deux couches

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20154054.9A EP3858593A1 (fr) 2020-01-28 2020-01-28 Dispositif et procédé d'encollage multicolore de tissus ayant au moins deux couches

Publications (1)

Publication Number Publication Date
EP3858593A1 true EP3858593A1 (fr) 2021-08-04

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP20154054.9A Pending EP3858593A1 (fr) 2020-01-28 2020-01-28 Dispositif et procédé d'encollage multicolore de tissus ayant au moins deux couches

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EP (1) EP3858593A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005077649A1 (fr) * 2004-02-13 2005-08-25 Fabio Perini S.P.A. Procede de gaufrage et de laminage et dispositif de production de produits en bande continue a plusieurs nappes et produit associe
EP1908579A1 (fr) * 2006-10-04 2008-04-09 FABIO PERINI S.p.A. Unité de gaufrage-stratification, procédé pour le gaufrage d'un matériau de toile et matériau gaufré
EP2353857A1 (fr) * 2010-01-29 2011-08-10 Chan Li Machinery Co., Ltd. Appareil de gaufrage de produit en bande
WO2016030784A1 (fr) * 2014-08-29 2016-03-03 Delicarta S.P.A. Produit en cellulose multicouche gaufré et son moyen de fabrication

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005077649A1 (fr) * 2004-02-13 2005-08-25 Fabio Perini S.P.A. Procede de gaufrage et de laminage et dispositif de production de produits en bande continue a plusieurs nappes et produit associe
EP1908579A1 (fr) * 2006-10-04 2008-04-09 FABIO PERINI S.p.A. Unité de gaufrage-stratification, procédé pour le gaufrage d'un matériau de toile et matériau gaufré
EP2353857A1 (fr) * 2010-01-29 2011-08-10 Chan Li Machinery Co., Ltd. Appareil de gaufrage de produit en bande
WO2016030784A1 (fr) * 2014-08-29 2016-03-03 Delicarta S.P.A. Produit en cellulose multicouche gaufré et son moyen de fabrication

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