EP2105293A2 - Agencement de rouleau de gaufrage destiné à la fabrication d'articles en tissu multicouche - Google Patents

Agencement de rouleau de gaufrage destiné à la fabrication d'articles en tissu multicouche Download PDF

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Publication number
EP2105293A2
EP2105293A2 EP09001069A EP09001069A EP2105293A2 EP 2105293 A2 EP2105293 A2 EP 2105293A2 EP 09001069 A EP09001069 A EP 09001069A EP 09001069 A EP09001069 A EP 09001069A EP 2105293 A2 EP2105293 A2 EP 2105293A2
Authority
EP
European Patent Office
Prior art keywords
roller
embossing
engraved
roll
counter
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.)
Withdrawn
Application number
EP09001069A
Other languages
German (de)
English (en)
Other versions
EP2105293A3 (fr
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.)
A+e Ungricht & Co KG GmbH
A+E Ungricht GmbH and Co KG
Original Assignee
A+e Ungricht & Co KG GmbH
A+E Ungricht GmbH and Co KG
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+e Ungricht & Co KG GmbH, A+E Ungricht GmbH and Co KG filed Critical A+e Ungricht & Co KG GmbH
Publication of EP2105293A2 publication Critical patent/EP2105293A2/fr
Publication of EP2105293A3 publication Critical patent/EP2105293A3/fr
Withdrawn legal-status Critical Current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
    • B31F2201/0707—Embossing by tools working continuously
    • B31F2201/0715—The tools being rollers
    • B31F2201/0723—Characteristics of the rollers
    • B31F2201/0738—Cross sectional profile of the embossments
    • 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
    • B31F2201/0741—Roller cooperating with a non-even counter roller
    • B31F2201/0743—Roller cooperating with a non-even counter roller having a matching profile
    • 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
    • B31F2201/0764—Multi-layered the layers being nested
    • 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
    • B31F2201/0766—Multi-layered the layers being superposed tip to tip
    • 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
    • B31F2201/0771—Other aspects of the embossing operations
    • B31F2201/0774—Multiple successive embossing operations
    • 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 present invention relates to an embossing roller assembly for producing multi-layered tissue articles having the features of the preamble of patent claim 1 and an embossing roller pair and a counter-roller for use in a corresponding embossing roller assembly.
  • At least one first cellulosic endless tissue layer and at least one second cellulosic endless tissue layer are embossed separately by means of a first and second pair of embossing rollers and then joined together after embossing and preferably glued together.
  • the finished fabric article comprising at least two tissue layers has one or more embossed patterns on its respective outer surface, the embossing imparting a certain volume and a desired feel and softness to the tissue article thus produced.
  • As cellulosic tissue layers usually corresponding paper layers are used.
  • the joining of the separate tissue layers embossed separately with the formation of the finished tissue article is then carried out in the known nested method by means of a pair of embossing rollers associated connection roller, in the top-to-top method by means of the first and second embossing roller pair and the spot embossing method by means of a further embossing roller pair and a combining roller.
  • embossing roller assemblies are known for producing these multi-layered tissue articles, which are provided with at least one first embossing roller pair for embossing a first tissue layer and at least one second embossing roller pair for embossing a second tissue layer.
  • the known embossing roller arrangement has a device for connecting the at least two, separately embossed tissue layers, as already mentioned above.
  • Each pair of embossing rollers each comprises an engraved roller forming the embossing nip, which is typically a steel roller, and a mating roller cooperating therewith having an ungraded and smooth deformable surface and which is typically formed as a rubber roller.
  • the embossing roll arrangement according to the invention for the production of multi-layered tissue articles in particular for the production of toilet paper, tissue paper, hygiene articles, kitchen towels or napkins, has at least a first pair of embossing rollers for embossing a first tissue layer and at least one second embossing roller pair for embossing a second tissue layer and means for connecting the at least two tissue layers embossed separately.
  • Each pair of embossing rollers comprises an engraved roller, in particular an engraved steel roller, and an opposing roller cooperating therewith, so that an embossing gap is formed between the engraved roller and the counter roller through which the tissue layer to be embossed is guided.
  • the counter roll of the first embossing roll pair and / or the counter roll of the second embossing roll pair is also formed as an engraved counter roll, wherein in each case the engraved roll and the associated engraved counter roll of each embossing roller pair have a matched positive / negative engraving.
  • the embossing roll arrangement according to the invention provides that in this case the embossing roller pair which is used for embossing the first tissue layer and / or the embossing roller pair which is used for embossing the second tissue layer, each having a counter-roller, in contrast to the prior art as engraved counter-roller is formed.
  • the engravings of the engraved roll and the hereby cooperating counter roll are adapted to each other as positive / negative engravings.
  • the embossing roll arrangement according to the invention has a number of advantages.
  • the required in conventional embossing roller assemblies high expenditure of energy consumption composed for the greater part of the energy consumption of the drive motors of the embossing roller pairs, and significantly in particular to allow an energy saving between 10% and 50%, preferably between 20% and 40%, wherein as a reference for the energy saving the total drive energy of such embossing roll arrangement is to be seen, in which the respective counter-roller has a smooth surface and in particular an unembossed rubber surface ,
  • This energy saving is achieved in the embossing roll arrangement according to the invention characterized in that due to the matched positive / negative engraving of each embossing roll pair in the embossing roll according to the invention required in the conventional embossing roll deformation resistance of the rubber surface of the counter roll does not occur, since the respective counter roll with the corresponding negative Engraving is provided.
  • the embossing roller arrangement according to the invention allows a marked reduction of the required electrical drive power in comparison to the known embossing roller arrangements, which furthermore manifests itself positively in a reduction of the production costs of the embossing roller arrangement according to the invention.
  • the finished articles produced with the embossing roller arrangement according to the invention for example the abovementioned multi-layered tissue articles, in particular the toilet paper, the paper tissues, the hygiene articles, the kitchen towels or napkins, are substantially sharper and more distinctive from the embossing picture and have improved service properties which are especially in a greater thickness, a higher liquid receiving volume and improved softness.
  • a further advantage of the embossing roller arrangement according to the invention is additionally to emphasize that the embossing roller arrangement according to the invention allows an increase of the embossing speed, without causing undesirable production disturbances as a result of the tearing or winding of tissue layers in the region of the embossing roller pairs, so that overall the manufacturing process of the multi-layered tissue article In addition to the energy savings already described above is additionally optimized.
  • the embossing roll arrangement according to the invention makes a significant contribution to the protection of the environment due to the conservation of resources.
  • first tissue layer addressed in the embossing roller arrangement according to the invention and the second tissue layer each not only consist of a single tissue layer but that it is likewise possible to separate a first tissue layer with the first embossing roller pair or a second tissue layer with the second embossing roller pair to emboss, each consisting of two or three, stacked and simultaneously embossed tissue layers are made, so that accordingly has the multi-layer finished tissue article produced therefrom after joining the separately embossed Tissuelagen between three and six individual Tissuelagen.
  • the counter rolls of the first and the second pair of embossing rolls act as engraved counter rolls is formed, wherein in each embossing roller pair then the engraved roller and the associated engraved counter-roller have a matched positive / negative engraving.
  • the term adapt not only means a precise engagement of projections (upstanding embossing elements) in the wells but also includes those embodiments in which the wells are slightly larger than the associated projections, so that when a penetration of the projections in the wells still remains a space , preferably between 0.003 mm and 0.4 mm, as will be described below.
  • tissue layer is understood in particular to mean a cellulosic material web and preferably a paper web, which usually has a limited length between about 100 meters and 100,000 meters and a defined width, the width being between about 0.3 meters and varies about 8 meters.
  • this engraving consists of radially outwardly pointing projections (upstanding embossing elements). exists, wherein these projections can be configured differently, so that they also emboss different patterns on the first tissue layer and / or the second tissue layer accordingly.
  • such engravings can be provided with which it is possible to emboss punctiform, linear or planar patterns on the tissue layers, for example the shape of a wavy line or a zigzag line, the shape of rectangles, preferably four- to octagons, or have the form of circular dots or oval dots, with corresponding engravings in groups being arranged arbitrarily or according to a predetermined real pattern motif with or without repeat on the surface of the engraved roll.
  • the engraved roller has such an engraving, which has radially outwardly facing projections, which are provided with a planar embossing surface, so that depending on the shape of the planar embossing surface on the embossed Tissuelage area pattern, especially small area or linear patterns appear.
  • the embossing roll arrangement according to the invention provides that provided on the engraved roll projections are frusto-conical. The top surfaces of the frusto-conical projections then form the embossed surfaces. Accordingly, in this embodiment, the embossing roll arrangement according to the invention with such an engraved roll produces circular embossing patterns which point inward in the finished tissue article from each side of the fabric across the cross section of the finished tissue article.
  • such a circular embossing surface has an area which varies between 0.1 mm 2 and 50 mm 2 , preferably between 0.3 mm 2 and 10 mm 2 .
  • the projections provided on the engraved roll and pointing radially outwards can be configured differently.
  • the engraved roll has such an engraving, which comprises at least two groups of projections which differ in their height, wherein within a group all projections have a uniform height.
  • the engraved engraved roller provides that also here the engraved roller comprises at least two groups of projections which differ in the size of the embossing surface and / or their shape, so that such a roller engraved with a correspondingly negative engraved counter roll forms a pair of embossing rollers of the embossing roll arrangement according to the invention, generates at least two groups of different patterns on the first or second tissue layer.
  • the engraved roller Such an engraving, in which all projections within a group have a uniform size and / or shape of the embossing surfaces.
  • the tissue article produced with the embossing roll arrangement according to the invention has a desired surface, in particular a desired softness, provides a development of the embossing roll according to the invention that in this case the sum of all planar extending embossing surfaces of the engraved roller occupies an area between 1% and 20% of the surface of the engraved roller.
  • each engraved counter roller has such an engraving, which is formed as extending from the surface of the backing roll radially inwardly extending recesses, the sum of all lying directly on the surface of the backing roll Recess surfaces makes up a total area between 1% to 20% of the total surface of the counter roll.
  • the embossing roller assembly thus the sum of all planar extending embossing surfaces of the engraved roller is identical to the sum all lying on the surface of the backing roll recessed surfaces, so that depending on the size of the embossing gap each embossing surface of the engraved roller more or less deep in the associated Recess surface of the engraved mating roll can penetrate during the embossing process, of course, then such an engraved roller and the associated engraved counter-roller has such an engraving, which is configured identically, but designed as a positive / negative engraving.
  • the embossing roller arrangement according to the invention has at least one embossing roller pair in which the engraved roller comprises frustoconical projections whose cover surfaces are designed as embossing surfaces, then it is of advantage to provide here an engraved counter roller which also has recesses which extend radially inwardly and which are also frustoconical is provided as engraving. In this case, however, these recesses are then arranged on the engraved counter-roller such that the base circle of each truncated cone forms part of the total surface of the counter-roller, wherein the frusto-conical projections of the engraved roller are formed identically with the frusto-conical recesses of the engraved counter-roller.
  • the penetration depth of the frusto-conical protrusions can be varied in the frusto-conical recesses, whereby the durability of the embossing thus produced and the sharpness of their own embossing elements can be adjusted.
  • a particularly high saving in electrical drive energy can be achieved in a development of the embossing roller according to the invention in that the measures provided for each pair of rollers on the engraved roller engraving projections are formed slightly smaller than those provided on the engraved counter roller engraving depressions.
  • the positive engraving of the engraved roll is made smaller than the associated negative engraving of the engraved counter roll with the result that an annular gap is formed depending on the size of the embossing gap between the projections and the cooperating recesses, in which Area of Tissuelage pushed in the actual embossing process is, without being clamped or mechanically loaded considerably.
  • Another advantageous embodiment of the embossing roll arrangement according to the invention has a device for removing paper dust, which is associated with the engraved roll and / or the engraved counter roll.
  • the paper dust produced during the embossing process is removed from the engraved roll or engraved counter roll so that the paper does not disturb the embossing process by paper dust or the dust and in particular the embossing uniform with respect to its appearance and mechanical properties is performed.
  • this device is designed to remove paper dust as a mechanically operating brush device and / or as an oil application device, wherein the brush device is selectively rotated or alternately moved as a brush bar transversely to the transport direction of the tissue layer continuously or at intervals.
  • the oil application device provides that in this case a thin film of oil is applied to the engraved roller and / or in particular to the engraved counter-roller, which binds the dust directly during formation and transmits as oil / dust mixture during the embossing process on the tissue layer.
  • the engraved roll and in particular the existing in the engraved mating roll recesses are added by dust or become.
  • a particularly suitable embodiment of the embossing roll arrangement according to the invention provides that in this case both the engraved roll and the counter roll are designed as steel rolls. This embodiment is characterized that it has a long shelf life.
  • the engraved mating roll can also be designed as a plastic roll or as a coated steel roll, the negative engraving of the mating roll then preferably being provided in the coating of the mating roll.
  • a coating material this is especially a plastic and preferably rubber, sulfur-modified natural rubber, silicone elastomers or polyurethanes, in particular the Shore hardness varies depending on the application between 40 ° Shore A and 85 ° Shore D.
  • a particularly suitable embossing roll arrangement which is characterized by an extremely low electrical drive energy requirement, provides that in this case the diameters of the engraved roll and the engraved counter roll are identical, wherein preferably the diameters vary between 200 mm and 700 mm.
  • the embossing roller arrangement according to the invention can use embossing roller pairs (engraved roller and engraved counter roller) whose diameter is between 20% and 40%. less than the diameter of the embossing roller pairs (engraved roller and smooth rubber roller) of the prior art. This is due to the fact that in the embossing roll arrangement according to the invention, the deformation forces occurring during embossing, which must be absorbed by the pair of rolls, are considerably lower than in the known embossing roller assemblies.
  • embossing roller pair is assigned an application device for a one-sided applied to a tissue layer adhesive.
  • this adhesive is preferably applied via a roller or via a cooperating pair of rollers on the side of a tissue layer, which forms the inner surface when connecting to the other tissue layer.
  • this adhesive application takes place by means of a roller which partially dips into a reservoir of an adhesive and then transfers the adhesive to the latter via its roller surface by means of a finely divided adhesive film by contact with the inner side of the tissue layer.
  • the application device is designed as a pair of rollers, a first roller located in contact with a reservoir of the liquid adhesive and a second roller in contact therewith form the application device, the second roller then transferring the adhesive by contact with the corresponding side ,
  • the embossing roller arrangement according to the invention has three possibilities for connecting the two tissue layers, which are embossed separately from one another, to form the finished tissue article.
  • the first possibility of the embossing roller arrangement provides that in this case the device for connecting the at least two separately embossed tissue layers is assigned to one of the two embossing roller pairs, each embossing roller pair consisting of the engraved roller and the engraved counter roller interacting therewith.
  • the engraved roller of this embossing roller pair is associated with a connecting roller, with the engraved roll of this pair of embossing rollers forms a nip through which both the first tissue layer and the second tissue layer is guided, so that by pressing this nip, the two tissue layers are glued to each other after previous application of adhesive to the inside of a tissue layer, as described below with reference to an embodiment in Connection with the drawing is explained in detail.
  • the means for connecting the at least two separately embossed tissue layers is formed by the nip of a pair of rollers comprising the two engraved rollers of the first and second embossing roller pairs.
  • the two tissue layers to be joined together after each separate embossing and application of the adhesive to the inside of a tissue layer in the nip, which form the two engraved rolls of the first and second embossing roller pair wherein this embodiment of the embossing roller arrangement according to the invention hereinafter with reference to a second embodiment in conjunction with the drawing will be explained in detail.
  • the third possibility of the embodiment of the embossing roller arrangement according to the invention provides that in this case the two tissue layers are initially embossed separately from one another via the first and second embossing roller pair. Subsequently, one of the two embossed tissue layers is fed to a further embossing roller pair, wherein the further embossing roller pair has an engraved roller and an associated engraved counter roller with positive / negative engraving adapted to one another.
  • the device for connecting the thus embossed tissue layers is then carried out by the engraved roller of the further embossing roller pair and a Herewith an additional nip forming unification roller, which is guided through this nip only once embossed tissue layer also in contact with the twice embossed tissue layer, after previously on the only once embossed tissue layer was provided on the inside with the adhesive.
  • the present invention further relates to an embossing roller pair for use in the above-described embossing roller assembly according to the invention, wherein the embossing roller pair according to the invention comprises an engraved roller and an engraved counter roller. Each engraved roller and the associated engraved counter-roller have a matched positive / negative engraving.
  • the present invention relates to a counter roll for use in the embossing roll arrangement according to the invention described above, wherein the counter roll is an engraved counter roll and has a negative engraving adapted to a positively engraved roll or a positive engraving adapted to the negatively engraved roll.
  • FIGS. 1 and 2 each form a section of the unwound shell of the engraved roll ( FIG. 1 ) and the engraved counter roll ( FIG. 2 ).
  • the engraved roller 1 on its lateral surface on a plurality of radially outwardly facing projections 2 and 3, which has an identical height but differ in the size of their stamping surfaces 4. It can be clearly seen that the embossing surfaces 4 of the projections 2 are larger than the embossing surfaces of the projections 3, which have a nearly point-shaped embossing surface.
  • the projections 2 and 3, which are also referred to above as upstanding embossing elements are formed as truncated cones, wherein the top surface of each truncated cone forms the planar embossing surface 4.
  • the height of the projections 2 and 3 is identical.
  • the engraved roll 1 is designed as a steel roll.
  • the positive engraving provided on this engraved steel roller comprises a first group of projections 2 which form a stylized flower blossom and a second group of projections 3 which fill the spaces between the flower petals, without, however another concrete pattern emerges.
  • the engraving shown is merely exemplary, with a variety of possibilities of engraving, with which the engraved roller 1 can be provided.
  • FIG. 1 illustrated engraved roller 1 a nip and thus an embossing roller pair forming engraved counter-roller 5 forms the FIG. 2 from.
  • the lateral surface of the engraved counter-roller 5 is provided with a negative-engraving such that one of the number, arrangement, size and shape of the projections 2 and 3 adapted number, arrangement, size and shape are provided on recesses 6, which differs from the Roll surface 7 extend in the direction of the roll core.
  • the engraved mating roll 5 has frusto-conical depressions 6 and 8, but the base circle 9 of each truncated cone here forms part of the surface 7 of the mating roll, with the result that the cover circle 10 is displaced into the radially inward direction of the mating roll.
  • the Tissuelage is performed by the existing between engraved roller 1 and engraved counter roller 5 nip (embossing gap), with the result that in this case the projections 2 and 3 of the positively engraved roller 1 in the associated recesses 6 and 8 of the negative engraved counter roll 5 penetrate and thus this Tissuelage is embossed.
  • the projections 2 and 3 are dimensioned slightly smaller relative to the associated recesses 6 and 8, so that upon penetration of the projections 2 and 3 in the associated recesses 6 and 8, a space is created, which is filled by the material of the tissue layer.
  • the illustrated first embodiment of the embossing roll arrangement designated overall by 20 has a first embossing roller pair for embossing a first tissue layer 12 and a second embossing roller pair for embossing a second tissue layer 13, wherein the first embossing roller pair passes through the engraved steel roller 1 and through the engraved counter roller 5 and the second embossing roller pair through the engraved steel roll 1 'and the engraved counter roll 5' is formed.
  • Both counter-rollers 5 and 5 ' also consist of a steel roller, the engraved rollers 1 and 1' and the counter-rollers 5 and 5 'have a mutually adapted positive / negative engraving, as this example above with reference to FIGS. 1 and 2 are described.
  • the engraved roller 1 is associated with a connecting roller 11, wherein the connecting roller 11 with the engraved roller 1 forms a nip. Furthermore, the engraved roller 1 is associated with a total of 14 designated applicator for an adhesive, said applicator a reservoir 15 for receiving a liquid adhesive, a partially immersed in the reservoir Mitauerwalze 16 and an hereby in contact applicator roll 17 has.
  • both the embossing roller pair, consisting of the rollers 1 'and 5', and the embossing roller pair, consisting of the rollers 1 and 5, have, as already described above, a positive / negative engraving, as shown schematically in the left illustration or in the right figure in FIG. 1 is shown, wherein these two images in each case also the directions of rotation of the rollers 1, 5; 1 ', 5' specify.
  • both the embossing roller pair, consisting of the rollers 1 'and 5', and the embossing roller pair, consisting of the rollers 1 and 5, have, as already described above, a positive / negative engraving, as shown schematically in the left illustration or in the right figure in FIG. 4 is shown, wherein these two images in each case also the directions of rotation of the rollers 1, 5; 1 ', 5' specify.
  • the embossing roller assembly 20 according to FIG. 5 a further pair of embossing rollers, wherein the further embossing roller pair includes the engraved steel roller 1 '' and the engraved counter-roller 5 ''.
  • the engraved roll 1 '' is associated with an applicator device, generally designated 14, for an adhesive, this applicator device having a reservoir 15 for receiving a liquid adhesive, a driver roller 16 partly immersed in the reservoir and an applicator roll 17 in contact therewith.
  • Both the embossing roll pair, consisting of the rolls 1 'and 5', and the embossing roll pair, consisting of the rolls 1 and 5, as well as the further embossing roll pair, consisting of the rolls 1 '' and 5 '', have, as already described above , a positive / negative engraving on.
  • the engravings of the rollers 1 '' and 5 '' of the further pair of rollers are compared to the engravings of the roller pairs 1, 5 and 1 ', 5' with respect to the engraving height (engraved roller 1 '') or the engraving depths of the wells (engraved counter-roller 5 '') larger and formed smaller with respect to the density of the embossing elements.
  • the tissue layer 12 After embossing of the tissue layer 12 by means of the roller pairs 1 and 5, the tissue layer 12 with the help of the further Regewalzepases consisting of the rollers 5 '' and 1 '' a second time coined, the engraved roller 1 '' the applicator 14 for the associated with liquid adhesive.
  • the second Tissuelage 13 is supplied after one-time stamping by means of the rollers 5 'and 1' of the engraved roll 1 '' at a point at which the engraved roll 1 '' forms a nip 19 with a combining roller.
  • the bonding of the two tissue layers 12 and 13 takes place to form the finished tissue article, as is the enlarged detail illustration E in FIG FIG. 5 as a cross section through the glued Tissuelagen 12 and 13 maps.
  • the two tissue layers 12 and 13 are glued together only at the designated with 21 splices, so that this finished tissue article compared to those according to the embodiments of the Figures 3 and 4 manufactured tissue articles differs in that it has a reduced number of splices, resulting in a desired increase in softness without sacrificing mechanical strength.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Machines For Manufacturing Corrugated Board In Mechanical Paper-Making Processes (AREA)
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EP09001069.5A 2008-02-29 2009-01-27 Agencement de rouleau de gaufrage destiné à la fabrication d'articles en tissu multicouche Withdrawn EP2105293A3 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200810012078 DE102008012078A1 (de) 2008-02-29 2008-02-29 Prägewalzenanordnung zur Herstellung von mehrlagigen Tissueartikeln

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EP2105293A2 true EP2105293A2 (fr) 2009-09-30
EP2105293A3 EP2105293A3 (fr) 2014-07-09

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0499862A1 (fr) * 1991-02-22 1992-08-26 Kimberly-Clark Corporation Procédé pour la fabrication des essuies à plis
EP0796727A2 (fr) * 1996-03-20 1997-09-24 James River Corporation Of Virginia Procédé de fabrication de bandes gaufrées ayant la même définition de gaufrage sur les deux faces
EP0916416A2 (fr) * 1997-11-14 1999-05-19 Fort James Corporation Appareil de nettoyage pour rouleau d'emboutissage et procédé associé
WO2003082559A1 (fr) * 2002-03-29 2003-10-09 Fabio Perini S.P.A. Procede et dispositif destines a produire un materiau en bande continue gaufree et produit obtenu au moyen dudit procede

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0499862A1 (fr) * 1991-02-22 1992-08-26 Kimberly-Clark Corporation Procédé pour la fabrication des essuies à plis
EP0796727A2 (fr) * 1996-03-20 1997-09-24 James River Corporation Of Virginia Procédé de fabrication de bandes gaufrées ayant la même définition de gaufrage sur les deux faces
EP0916416A2 (fr) * 1997-11-14 1999-05-19 Fort James Corporation Appareil de nettoyage pour rouleau d'emboutissage et procédé associé
WO2003082559A1 (fr) * 2002-03-29 2003-10-09 Fabio Perini S.P.A. Procede et dispositif destines a produire un materiau en bande continue gaufree et produit obtenu au moyen dudit procede

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DE102008012078A1 (de) 2009-09-03
EP2105293A3 (fr) 2014-07-09

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