WO2015104029A1 - Outil de gaufrage pour coller et gaufrer ponctuellement plusieurs couches de substrats en forme de bande et procédé de fabrication d'un rouleau de gaufrage destiné à un tel outil - Google Patents

Outil de gaufrage pour coller et gaufrer ponctuellement plusieurs couches de substrats en forme de bande et procédé de fabrication d'un rouleau de gaufrage destiné à un tel outil Download PDF

Info

Publication number
WO2015104029A1
WO2015104029A1 PCT/EP2014/000024 EP2014000024W WO2015104029A1 WO 2015104029 A1 WO2015104029 A1 WO 2015104029A1 EP 2014000024 W EP2014000024 W EP 2014000024W WO 2015104029 A1 WO2015104029 A1 WO 2015104029A1
Authority
WO
WIPO (PCT)
Prior art keywords
embossing
webs
roller
rollers
depressions
Prior art date
Application number
PCT/EP2014/000024
Other languages
German (de)
English (en)
Inventor
Heinz ZENSEN
Jens HANNOTT
Hardy Wolfgang Klose
Original Assignee
Unimatec Prägesysteme 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 Unimatec Prägesysteme Gmbh filed Critical Unimatec Prägesysteme Gmbh
Priority to PCT/EP2014/000024 priority Critical patent/WO2015104029A1/fr
Publication of WO2015104029A1 publication Critical patent/WO2015104029A1/fr

Links

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
    • B31F2201/0735—Pattern inclined with respect to the axis of the roller
    • 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
    • B31F2201/0784—Auxiliary operations
    • B31F2201/0789—Joining plies without adhesive

Definitions

  • the invention relates to an embossing tool for punctiform bonding and embossing of several layers of web-shaped substrates, comprising a first and a second embossing roller with surfaces between which an embossing gap is formed, wherein the first and the second embossing roller each have longitudinal axes around which they are rotatably mounted and have an embossed pattern formed from webs and depressions in the region of their surfaces.
  • the invention also relates to a corresponding method for punctiform bonding and embossing and to a method for producing a embossing roller suitable for this purpose.
  • the punctiform bonding and embossing of several layers of web-shaped substrates is used, for example, for the production of handkerchiefs, facial tissues, household towels and napkins from multiple layers of tissue webs to connect the individual layers together and preferably emboss patterned in a desired manner.
  • embossing types e.g. those which are introduced only from a surface of the embossed substrate or dressing, which is relatively simple to accomplish in terms of plant technology, but has the disadvantage that the embossed substrate is formed on the opposite side on which the embossments are defined as elevations or the
  • CONFIRMATION COPY Association has an increased roughness, which is undesirable, for example, in tissue paper.
  • embossing methods are also known in which embossing takes place from both surfaces of the substrate to be embossed, so that the embossed substrate or the dressing has a lower roughness.
  • An apparatus and a method for punctiform bonding and embossing of several layers of web-shaped substrates from both sides thereof is known from EP 0 755 212 B1, in which first and second embossing rolls are used, which together have a nip for the passage of the substrate to be embossed wherein the embossing rollers each have embossing nubs, which generate individual embossing points and are each arranged exactly head-to-head, in order to emboss the substrate from both sides in a common point.
  • embossing rollers are needed, which must also be very precisely adjusted to each other, so that adjusts the desired head-to-head alignment of embossing knobs.
  • the object of the invention is to propose an alternative embodiment of an embossing tool and the method with which such, known from the prior art punctiform connections and embossments of several layers of web-shaped substrates are possible, however, the embossing rollers can be produced and used in a simplified manner.
  • an embossing tool according to the features of claim 1 is proposed according to the invention.
  • An inventive method for solving the problem is the subject of claim 8. Furthermore, a method for producing a suitable for use in the embossing tool and method embossing roller according to the invention with the features of claim 12 is proposed.
  • the invention proposes to form the embossing pattern of the first and second embossing rollers with non-axis-parallel to the longitudinal axis thereof extending first webs, which are spaced apart by depressions, wherein the inclination of the webs of the first and second embossing roller with respect whose longitudinal axis is selected so that the webs cross in the embossing gap viewed in the projection.
  • embossing rollers are thus used to form the embossing tool, which have embossed pattern linearly extending webs, which are each spaced from each correspondingly linearly extending grooves between adjacent webs.
  • Such linear embossing patterns can be formed with little effort on the roll surfaces of the embossing rollers.
  • the respective inclination of the webs of the first and second embossing roll with respect to their longitudinal axis can be selected within a wide range by those skilled in the art, however, it is provided according to a proposal of the invention that the inclination of the first webs on both embossing rollers is formed consistently, ie when viewed
  • the two embossing rollers in the direction of the guided through the embossing gap layers of web-shaped substrates extend the first webs on the first and second embossing rollers parallel to each other.
  • the recesses of the first embossing roller have a width which is a multiple of the width of the recess of the second embossing roller.
  • a particular advantage of the embodiment according to the invention is that the alignment of the elevations of the first and second embossing roller to each other in contrast to the prior art requires no special accuracy. Rather, resulting from the rotation of the embossing rollers in the embossing gap a plurality of each discrete and a single embossing point resulting crossing positions regardless of the exact alignment of the two embossing rollers with respect to their embossing pattern, so that it is sufficient to apply the embossing rollers according to the invention to the set the embossing result desired clear width of the embossing gap and set in rotation to pass through a web-shaped substrate and punctiform connect and emboss.
  • the embossing pattern of the first embossing roller may comprise, in addition to the first webs, second webs which are spaced apart from each other by the depressions and intersect the first webs so as to form a rhombic arrangement of first and second webs and intermediate depressions ,
  • the second webs are at least simply interrupted between the crossing points, which can be effected, for example, in that grooves running parallel to the first webs are incorporated in the surface of the first embossing roll, which intersect the second webs and interrupt each other at the intersection points.
  • the second webs when viewed through the embossing gap in the projection, lie opposite the first webs of the opposite second embossing roller on the surface of the substrate and cause embossing, but again only embossing points are generated due to the introduced interruptions in that, overall, the amount of embossing points generated is increased correspondingly in addition to the embossing points produced at the crossing points of the respective first webs.
  • the distance between adjacent grooves may advantageously correspond to the spacing of the depressions of the second embossing roll in order to give rise to a uniform embossing pattern and to simplify production.
  • the first and second webs of the first embossing roll can be arranged on the surface of the first embossing roll both over the entire surface and only in regions. The latter is common in so-called format embossing rollers, in which, for example, only the edge region of a handkerchief to be produced is embossed, while central regions remain unembossed.
  • the method proposed in the context of the invention for punctiform bonding and embossing of a plurality of layers of web-shaped substrates is based on guiding the bandage by an embossing nip formed between two rotating embossing rollers and thereby formed by acting on webs and indentations formed by the surfaces of the embossing rollers Embossing patterns on both sides of the bandage opposite punctiform shape, wherein the layers are joined together.
  • the embossing pattern of the first and second embossing rolls each comprise non-axis-parallel to the longitudinal axis thereof extending first webs, which are spaced apart by depressions and the inclination of the webs of the first and second embossing roll with respect to their longitudinal axis is selected so that the webs cross in the projection as they pass through the embossing nip.
  • the association of web-shaped substrates is thus punctiform stamped as they pass through the embossing gap at the positions where viewed in the projection cross the non-axially parallel to the longitudinal axis of the embossing rollers extending first webs. It is characteristic that punctiform embossing impressions are thus produced in the dressing, which are generated from the crossing of line-shaped webs.
  • the inclination of the first webs in relation to the respective longitudinal axis of the embossing rollers can be carried out differently, wherein, according to a proposal of the invention, a matching orientation or inclination of the first webs on both embossing rollers is proposed.
  • first webs may be provided to form the embossing pattern of the first embossing roller and second webs, which are spaced from each other by the recesses and intersect the first webs and at least simply interrupted between the intersection points, so that the second webs when passing through the embossing gap Opposite the first webs of the second embossing roll and also emboss point-like the dressing in the uninterrupted sections.
  • embossing points produced at the intersections of the first webs of the first and second embossing rollers further embossing points are thus also formed in the uninterrupted sections of the second webs and the correspondingly opposite first webs of the second embossing roller.
  • a method for producing an embossing roll which can be used within the scope of the invention and has a longitudinal axis and with an embossing pattern formed of webs and depressions in the region of its surface comprises the following steps:
  • grooves can be introduced into the roll surface according to a proposal of the invention, which run parallel to the first webs.
  • the depressions and / or grooves can be produced, for example, by means of machining, such as milling, by lasering, knurling, pressing or etching the roll surface, leaving the first and second webs free.
  • Fig. 1 is a stamping tool for point-like connection
  • Fig. 2 shows the settlement of the roll surface of the first
  • FIG. 3 shows a preliminary stage of the development according to FIG. 2 during the production of the roll surface
  • 4 shows the development of the roll surface of the second embossing roll according to FIG. 1
  • FIG. 5 shows a greatly enlarged view of an embossing tool according to the invention embossed association of several layers of web-shaped substrates.
  • FIG. 1 shows an embossing tool for punctiform joining and embossing of a plurality of layers of a web-shaped substrate (not shown here), which are e.g. may comprise multiple layers of tissue webs which are to be embossed by the embossing tool to be handkerchiefed or the like to be embossed and patterned and superficially textured.
  • first embossing roll 1 comprises, in a manner known per se, a first embossing roll 1 and a second, here lower embossing roll 2, between which an embossing gap P is formed by means of adjustment means, not shown, through which the plurality of layers passed through the web-like substrate and punctiform connected and embossed in the passage.
  • the two embossing rollers 1, 2 mounted by means not shown storage means about their respective longitudinal axes L1, L2 rotatably mounted in a Walzenstuhlung and moreover adjustable, so that the embossing gap P in its clearance according to the embossing conditions can be changed.
  • the dressing 3 is provided with a multiplicity of individual embossing points 30, 31 arranged in the form of a grid in the form of several layers of web-shaped substrates.
  • the two embossing rollers 1, 2 are each provided in the region of their surfaces 10, 20 with embossed patterns, in the form of webs are formed corresponding to the original diameter of the embossing rollers and depressions located between the webs, ie in the region of the depressions, the embossing roller 1, 2 is reduced in diameter relative to its original cylindrical or slightly convex diameter.
  • the illustrated embodiment of the embossing rolls 1, 2 comprises an embossing pattern in the region of the embossing roll 1, which comprises first webs 11 and second webs 12, which run non-axially parallel to the longitudinal axis L1 of the embossing roll 1 and are spaced by depressions 12 from each other.
  • first webs 11 run parallel to one another inclined to the right as seen from the embossing gap P, while the second webs 110, viewed from the embossing gap P, run inclined to the left, so that the first and second webs 11, 110, but each spaced apart by the recesses 12.
  • first webs 11 extending the embossing pattern on the surface 20 of the second embossing roller 2 webs 21 of the second embossing roller, which are linearly arranged as well as the webs 11, 110 of the first embossing roller and by depressions 22, which also lines - or groove-shaped, are spaced from each other.
  • the inclination of the first webs 11, 21 of the first and second embossing rolls 1, 2 is chosen to coincide and the depressions 12 of the first embossing roll 1 have a width B1 which is a multiple of the width B2 of the depressions 22 on the second embossing roll 2.
  • the embossing pattern on the first embossing roll 1 can not only be distributed regularly over the entire surface 10 of the embossing roll 1, but also, for example, as so-called Format embossing pattern may be provided only in the edge regions thereof, so that a middle region M remains, in which no embossing webs 11, 110 are arranged.
  • the second webs 110 which intersect the first webs 11 and intersect at an angle of 90 °, delimit diamond-shaped surface areas together with the first webs 11, each enclosing a single recess 12, which at the same time adjacent first webs 11 and second webs 110 separated from each other.
  • the second webs 110 are at least single between adjacent intersection points with the first webs 11, here interrupted three times, which is effected by a fine line-like pattern of parallel grooves 3, which run parallel to the first webs 1, preferably at a distance A1 from each other, which corresponds to the distance A2 of the depressions 22 between the linear elevations 21 on the roll surface 20 of the second embossing roll 2, see also FIG. 4.
  • a multi-stage procedure is used for the production of this embossing pattern evident from FIGS. 2 and 4 in the region of the surfaces 10, 20 of the embossing rolls 1, 2.
  • the so-called outer pattern consisting of the first webs 11 and the second webs 110 intersecting them is formed by introducing corresponding depressions 12 into the roll surface 10, as shown in FIG smooth roll surface 10 applied a corresponding wax pattern and then the roll surface is removed in the free-lying areas to a suitable depth, for example by means of etching.
  • the finer line pattern of the grooves 13 is laid over the existing pattern of FIG. 3 only in the direction of the first lands 11 and then etched to the final depth, with the second lands 110 interspersing their intersections learn the crossing points with the first webs, since in the course region of the grooves 13 and the second webs 110 are removed.
  • a wax pattern is used, which is also used for the production of the second embossing roll 1, i. the formation of the grooves 13 is applied and the roller is etched leaving the depressions 22 to their final depth in one step, leaving the first webs 21.
  • first and second embossing rollers 1, 2 in a corresponding embossing tool is formed when pulling through the connecting and embossing substrate or dressing of several layers an embossing pattern according to Figure 5, which is characterized by the regular Stringing punctiform embossments 30, 31 characterized with intermediate completely unembossed areas.
  • embossing points are found on both the top and the bottom of the embossed association congruent again.
  • the illustrated embossing points 30, 31 are formed when the first webs 11, 21 of the first and second embossing rolls 1, 2, which are designed with the same inclination, pass through the embossing gap in the vertical projection both longitudinal axes L1, L2, indicated by arrow V in Figure 1, cross, as then a point-shaped crossing region of the first webs 11, 21 causes the corresponding punctiform connection and embossing of the guided through the nip P several layers on both sides thereof.
  • the individual sections of the second webs 110 remaining between the interruptions come to lie congruently opposite the first webs 21 of the second embossing roller 2 and likewise cause punctiform deformations which are reflected on the finished substrate as embossing points 31 ,
  • the first webs 11, 21 intersect each other in the embossing gap P and produce an embossing point in the bond at the intersection, the sections 110 of the second webs of the first embossing roll remaining between the interruptions lie along the linear webs 21 of the second embossing roll 2 opposite and effect each over its entire longitudinal extent an embossing point.
  • embossing is produced on a very wide variety of materials, which has the effect of a "point-point" embossing.
  • the production of the embossing rollers and in particular the embossed pattern applied thereto is considerably simpler, since it is exclusively about Line pattern is that can be easily produced for example by means of etching, laser or milling method.
  • the rollers may e.g. By simply sanding it up in the easiest way to be refreshed and overhauled again in relation to their embossing patterns, so that the service life is significantly extended. Moreover, since the embossing pattern results from the interaction of line patterns, the surface loading of the embossing pattern decreases significantly, which translates into a significantly longer service life over dimple profiles and the like which were previously required to produce dot embossing patterns.
  • the embossing pressure to be applied in the embossing gap P is also significantly lower, which leads overall to a simpler system design and lower wear.
  • no complicated setting of the embossing patterns relative to one another is necessary since the point embossing pattern shown in FIG. 5 automatically adjusts to one another in the characteristic line-shaped juxtaposition independently of the phase angles of the embossing rolls 1, 2.

Abstract

L'invention concerne un outil de gaufrage servant au collage et au gaufrage ponctuels de plusieurs couches de substrats en forme de bande, comprenant des premier et deuxième rouleaux de gaufrage (1, 2) possédant des surfaces de rouleau (10, 20) entre lesquelles est ménagée une fente de gaufrage, les premier et deuxième rouleaux de gaufrage possédant chacun un axe longitudinal (L1, L2) sur lequel ils sont montés à rotation et comportant chacun au niveau de leur surface un motif de gaufrage formé de nervures et de creux, le motif de gaufrage des premier et deuxième rouleaux de gaufrage comporte des premières nervures (11, 21) qui s'étendent chacune sur un axe non parallèle à l'axe longitudinal desdits rouleaux et qui sont espacées les unes des autres par des creux et l'inclinaison des nervures des premier et deuxième rouleaux de gaufrage par rapport à l'axe longitudinal de ceux-ci étant choisie de telle sorte que les nervures se croisent dans la fente de gaufrage lorsque l'on observe en projection. L'invention concerne en outre un procédé de gaufrage correspondant et un procédé de fabrication de rouleaux de gaufrage correspondants.
PCT/EP2014/000024 2014-01-09 2014-01-09 Outil de gaufrage pour coller et gaufrer ponctuellement plusieurs couches de substrats en forme de bande et procédé de fabrication d'un rouleau de gaufrage destiné à un tel outil WO2015104029A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/EP2014/000024 WO2015104029A1 (fr) 2014-01-09 2014-01-09 Outil de gaufrage pour coller et gaufrer ponctuellement plusieurs couches de substrats en forme de bande et procédé de fabrication d'un rouleau de gaufrage destiné à un tel outil

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2014/000024 WO2015104029A1 (fr) 2014-01-09 2014-01-09 Outil de gaufrage pour coller et gaufrer ponctuellement plusieurs couches de substrats en forme de bande et procédé de fabrication d'un rouleau de gaufrage destiné à un tel outil

Publications (1)

Publication Number Publication Date
WO2015104029A1 true WO2015104029A1 (fr) 2015-07-16

Family

ID=50030231

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2014/000024 WO2015104029A1 (fr) 2014-01-09 2014-01-09 Outil de gaufrage pour coller et gaufrer ponctuellement plusieurs couches de substrats en forme de bande et procédé de fabrication d'un rouleau de gaufrage destiné à un tel outil

Country Status (1)

Country Link
WO (1) WO2015104029A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3542634A (en) * 1969-06-17 1970-11-24 Kendall & Co Apertured,bonded,and differentially embossed non-woven fabrics
US3737368A (en) * 1971-12-10 1973-06-05 Kendall & Co Nonwoven wiping cloth
EP0755212B1 (fr) 1994-04-12 2000-03-01 The Procter & Gamble Company Etoffe cellulosique destinee a l'hygiene
DE10043989A1 (de) * 1999-09-08 2001-03-29 A & E Ungricht Gmbh & Co Kg Prägewalze zur Herstellung von Tissueartikeln
EP1772257A2 (fr) * 2005-10-10 2007-04-11 FABIO PERINI S.p.A. Dispositif de gaufrage et laminage et produit multi-couche gaufré
EP1974900A1 (fr) * 2007-03-26 2008-10-01 Euroincis S.r.l. Dispositif et procédé pour relier des bandes de matière aux pointes de leur reliefs et produit ainsi obtenu

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3542634A (en) * 1969-06-17 1970-11-24 Kendall & Co Apertured,bonded,and differentially embossed non-woven fabrics
US3737368A (en) * 1971-12-10 1973-06-05 Kendall & Co Nonwoven wiping cloth
EP0755212B1 (fr) 1994-04-12 2000-03-01 The Procter & Gamble Company Etoffe cellulosique destinee a l'hygiene
DE10043989A1 (de) * 1999-09-08 2001-03-29 A & E Ungricht Gmbh & Co Kg Prägewalze zur Herstellung von Tissueartikeln
EP1772257A2 (fr) * 2005-10-10 2007-04-11 FABIO PERINI S.p.A. Dispositif de gaufrage et laminage et produit multi-couche gaufré
EP1974900A1 (fr) * 2007-03-26 2008-10-01 Euroincis S.r.l. Dispositif et procédé pour relier des bandes de matière aux pointes de leur reliefs et produit ainsi obtenu

Similar Documents

Publication Publication Date Title
DE60126636T2 (de) Geprägte Papierbahn
DE1961528C3 (de) Polsterpapier sowie Verfahren und Vorrichtung zu seiner Herstellung
EP1925443B1 (fr) Dispositif destiné à satiner et gaufrer une feuille d'emballage
EP0925911B2 (fr) Dispositif pour satiner une feuille, utilisation de ce dispositif et procédé pour la mise en oeuvre du dispositif.
DE60223366T2 (de) Mehrlagige tissuepapiere und verfahren zur herstellung
EP2468493A1 (fr) Dispositif de gaufrage de feuilles
EP2353858A1 (fr) Dispositif de gaufrage de feuilles d'enveloppement
EP0782503B1 (fr) Produit en papier tissu multicouche en forme de bande et sa fabrication
DE19936278A1 (de) Prägestation
DE60016175T2 (de) Vorrichtung und Verfahren zum Prägen von Papier oder Vliesstoff, sowie das hergestellte Produkt
WO2015104029A1 (fr) Outil de gaufrage pour coller et gaufrer ponctuellement plusieurs couches de substrats en forme de bande et procédé de fabrication d'un rouleau de gaufrage destiné à un tel outil
EP1368184B1 (fr) Dispositif de fabrication de produits en matiere papier menager et/ou de type papier menager presentant au moins deux couches
DE202005019141U1 (de) Mehrlagiges Tissuepapier und Vorrichtung zur Herstellung eines mehrlagigen Tissuepapiers
DE102021104038A1 (de) Verfahren zur Herstellung einer Sanitäreinrichtung
DE19820268B4 (de) Prägewerkzeug zum miteinander Verbinden oder Prägen einer oder mehrerer Lagen bahnförmiger Materialien, Verfahren zum Herstellen einer Prägeform für ein Prägewerkzeug, Verwendung einer Prägeform als Urform sowie Verfahren zum Herstellen von miteinander verbundenen oder geprägten Lagen bahnförmiger Materialien
EP4032695A1 (fr) Structure d'estampage pour un rouleau d'estampage permettant de coller des produits tissulaires, rouleau d'estampage correspondant, produit tissulaire correspondant et procédé de fabrication d'un rouleau d'estampage
DE692543C (de) Verfahren und Vorrichtung zum Herstellen von allseitig dehnbarem Papier
EP1208965B1 (fr) Rouleaux de gaufrage pour papier
DE202013100205U1 (de) Vorrichtung zum zumindest teilweisen Aufprägen eines oder mehrerer haptischer Muster auf eine Materialbahn, einen Materialbogen oder einen Zuschnitt aus Karton
EP1123799B1 (fr) Procédé de gaufrage des articles tissu sous forme de feuilles et paire de rouleaux pour la réalisation du procédé
EP2998436A1 (fr) Procede et dispositif de fabrication de produits de surface ayant au moins trois couches, produit ayant au moins trois couches
WO2009077128A1 (fr) Panneau
WO2023116972A1 (fr) Ensemble rouleau pour la finition de produits en bande pouvant être enroulés, en particulier pré-consolidés, et produit en bande correspondant
WO2003013839A1 (fr) Carton a structure de surface, dispositif et procede de fabrication associes
DE623586C (fr)

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 14701902

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 14701902

Country of ref document: EP

Kind code of ref document: A1