EP1239079B1 - Papierbahn mit kleinen Kissen - Google Patents

Papierbahn mit kleinen Kissen Download PDF

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Publication number
EP1239079B1
EP1239079B1 EP01400629A EP01400629A EP1239079B1 EP 1239079 B1 EP1239079 B1 EP 1239079B1 EP 01400629 A EP01400629 A EP 01400629A EP 01400629 A EP01400629 A EP 01400629A EP 1239079 B1 EP1239079 B1 EP 1239079B1
Authority
EP
European Patent Office
Prior art keywords
protuberances
plies
paper sheet
cells
sheet according
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.)
Expired - Lifetime
Application number
EP01400629A
Other languages
English (en)
French (fr)
Other versions
EP1239079A1 (de
Inventor
Michel Résidence Les Plaiades Basler
Sébastien Jeannot
Pierre Laurent
Rémy Ruppel
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.)
Essity Operations France SAS
Original Assignee
Georgia Pacific France SAS
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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Application filed by Georgia Pacific France SAS filed Critical Georgia Pacific France SAS
Priority to ES01400629T priority Critical patent/ES2287087T3/es
Priority to AT01400629T priority patent/ATE364751T1/de
Priority to PT01400629T priority patent/PT1239079E/pt
Priority to DK01400629T priority patent/DK1239079T3/da
Priority to EP01400629A priority patent/EP1239079B1/de
Priority to DE60128890T priority patent/DE60128890T2/de
Priority to CA002406480A priority patent/CA2406480C/fr
Priority to RU2002129596/12A priority patent/RU2295600C2/ru
Priority to PCT/FR2002/000770 priority patent/WO2002072956A1/fr
Priority to US10/275,487 priority patent/US7846531B2/en
Publication of EP1239079A1 publication Critical patent/EP1239079A1/de
Priority to NO20025389A priority patent/NO333379B1/no
Publication of EP1239079B1 publication Critical patent/EP1239079B1/de
Application granted granted Critical
Priority to CY20071101162T priority patent/CY1106854T1/el
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • D21H27/30—Multi-ply
    • D21H27/40—Multi-ply at least one of the sheets being non-planar, e.g. crêped
    • 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
    • B31F2201/0756—Characteristics of the incoming material, e.g. creped, embossed, corrugated
    • 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
    • B31F2201/0784—Auxiliary 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
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24355—Continuous and nonuniform or irregular surface on layer or component [e.g., roofing, etc.]
    • Y10T428/24446—Wrinkled, creased, crinkled or creped
    • Y10T428/24455—Paper
    • Y10T428/24463—Plural paper components
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24479—Structurally defined web or sheet [e.g., overall dimension, etc.] including variation in thickness
    • Y10T428/24612—Composite web or sheet

Definitions

  • the invention relates to a paper sheet consisting of at least two plies of cellulose wadding forming pads.
  • the field of the invention is that of papers for sanitary or domestic use. It includes absorbent paper products whose shape, composition and structure are determined by their application. Thus, non-limiting examples include toilet paper, facial tissue, facial tissue, napkins, tablecloths, household paper towels, industrial wiping cloths, and the like.
  • the toilet paper for example, is in the form of pre-cut coupons in a continuous strip wound around a mandrel. Coupons can also be in individual form and entangled.
  • the sheet may be simple, but most often it is composed of two or more layers, also called folds, of cellulose wadding. In one sheet the folds can be simply juxtaposed, free from each other but, most often, they are embossed and bonded together by gluing or mechanically by knurling.
  • Cellulose wadding is a light weight paper: 10 to 40 g / m 2 , consisting essentially or exclusively of paper fibers and optionally comprising one or more additives to reinforce one or other of its characteristics.
  • a light weight paper 10 to 40 g / m 2
  • the incorporation of resins serves to improve the tear strength when the sheet is wet.
  • the cellulose wadding may be creped, that is to say comprise corrugations that give it a certain capacity of elongation in the running direction.
  • the creping can be obtained, for example, at the time of drying the sheet. This is applied still wet on a cylinder heated to a temperature sufficient to extract the moisture.
  • the sheet is peeled off by means of a doctor blade placed between it and the surface of the cylinder. This operation, properly conducted, causes the formation of corrugations arranged perpendicularly to the direction of travel of the sheet, said running direction.
  • the crepe of the sheet is characterized by the number of crests counted in the walking direction reduced to one unit of length.
  • the patent is known US 3,673,060 ; it describes a product, a napkin for example, formed of two folds of creped cellulose wadding bonded together by adhesive.
  • the latter is distributed in a pattern consisting of point surfaces close to each other and leaving substantial portions of the two unbound plies. From 4 to Only 8% of the surface is bound and the two plies, whose crepe lines are parallel, are not stretched in the same way. This voltage difference is obtained by stretching the two plies differently before they are bonded to each other along the said pattern.
  • Such tension control allows, after the adhesive has been fixed, that one of the folds contracts more than the other. This results in a tendency to separate the folds in the unbonded portions between the adhesive areas.
  • the patent teaches applying the adhesive to a fold by means of a suitably etched applicator roll.
  • the second ply is then deposited on the first and the two plies are drawn between two calendering rolls, one of which is etched and in phase with the applicator roll.
  • the sheet is driven between two engraved steel cylinders, to be embossed along the edges of what will be the towel after cutting. This process thus appears to be limited to the manufacture of a wafer-type product with an embossed periphery.
  • the recommended area of the unbonded portion between two adjacent bonded areas is of the order of 0.65 cm 2 . It is relatively weak. According to the example given, the area of the connecting point areas is of the order of 2 mm 2 with a spacing of 4.75 mm. It is mentioned in the patent that the sheet thus mimics the appearance and texture of a textile product. Preferably, the spikes are evenly distributed on the sheet.
  • the patent French FR 2 105 116 discloses a method of manufacturing a multi-ply sheet of flexible material, paper or plastic, wherein is printed an adhesive material on one of the folds along a pattern, said open device, representing diamonds or squares.
  • the two plies were previously embossed in a uniform pattern of protuberances and one of the two is tensioned longitudinally so as to give the sheet, after cutting into towels, a "padded" appearance. It is observed that the diamonds are very wide otherwise the glue deposited along continuous lines would create a relatively rigid product.
  • This patent thus applies to products of the napkins type or tablecloths.
  • the patent US 3,650,882 discloses a paper, consisting of three plies of cellulose wadding, wherein the central ply is extensible and elastic and the outer plies are embossed and less extensible.
  • the folds are bound along spaced areas so as to leave unrelated portions together.
  • the inner ply can thus relax and occupy the space of the unbound parts. It is expected to bind the central fold to the outer folds while it is extended relative to them.
  • the central fold retracts and the other folds become visible in the unbound parts.
  • Linked and unrelated areas appear to be of equal extent.
  • the patent US 4,469,735 also discloses a multi-ply product of cellulose wadding of different elongation characteristics to allow the formation of pockets and an increase in their wet absorption volume.
  • the object of the present invention is to provide a product consisting of at least two folds of creped cellulose wadding, having an attractive appearance for the consumer, in particular an appearance similar to that of a textile product and which is improved compared to the state of the art.
  • the subject of the invention is thus a product composed of at least two plies, an upper ply and a lower ply, of creped cellulose wadding, each weighting between 10 and 40 g / m 2 , the upper ply of which comprises first protuberances on the face turned to the lower fold, from the top of which they are linked. Said first protuberances are distributed in alignments which delimit between them surface cells of between 1 and 20 cm 2 , the upper fold being longer in the direction than the lower fold of 0.6 to 2% and being connected to the lower fold by the tops of said first protuberances, so that pads are formed inside the cells.
  • pad By pad, according to the patent, it includes a zone whose two folds are not interconnected, and which is delimited by alignments of first protuberances forming a closed contour.
  • the pad is characterized by the fact that the upper fold seems detached from the lower fold and creates a convex effect.
  • the effect of relief pads is particularly visible when unrolling the latter.
  • said alignments consist of first protuberances spaced from each other by a distance of less than 3 mm. Indeed beyond this spacing the pads are not formed properly.
  • the undulations tend to extend in the cross direction.
  • the first protuberances constituting the contours of the pads are preferably of frustoconical shape with a circular or oval base.
  • this base can also be of polygonal shape. It can also have a very elongated shape giving imprints in continuous or discontinuous lines.
  • the protuberances have a frustoconical shape, in particular of circular section, and their spacing along the alignments is very small. It is preferably smaller than the diameter of the section of the protuberance.
  • the alignments can be rectilinear or corrugated. According to a particular embodiment, they form a network, whose said cells are defined by their intersections. In particular they have a substantially diamond-shaped shape and the sides of the latter are corrugated. Such an example of a pattern is described in the patent US 5,436,057 .
  • the upper fold is embossed in a pattern consisting of the second protuberances.
  • These are frustoconical or have a vertex of linear form.
  • the top of the second protuberances is free, ie it is not glued or otherwise bound to the second fold.
  • the second fold is embossed or not.
  • the present invention also relates to a process for producing a product with at least two folds of creped cellulose wadding, weight of between 10 and 40 g / m 2 .
  • the length of the folds is different from more than 0.6%, preferably from 0.6 to 2 %.
  • the resulting band is then wrapped around a mandrel and said roll is cut into smaller rolls.
  • the two bands differ from each other by one or the other of the following characteristics taken alone or in combination: the unwinding speed, the tension in the running direction, the level or the depth of the embossing, and elasticity.
  • the sheet shown in Figures 1 and 2, is composed of two folds of creped cellulose wadding.
  • the cellulose wadding may be of the type obtained according to a method by conventional wet pressing of the sheet, and designated in the field by CWP or according to a method comprising a step of TAD type through air blowing drying.
  • the grammage for each of the plies is between 10 and 40 g / m 2 .
  • a weight of between 15 and 24 g / m 2 is preferably chosen.
  • the cellulose wadding is creped with the corrugations, as is known, oriented all, perpendicular to the direction of travel of the machine.
  • the number of crepe lines is between 40 and 80 lines per cm.
  • the plies exhibit a degree of elongation at break of at least 25%. Preferably it is not less than 20%.
  • the upper fold comprises protuberances (12) on the face of the fold which is turned towards the lower fold.
  • These protuberances being formed by embossing, a cavity corresponds to them on the side facing the outside of the sheet. They have a section in the plane of the leaf that can be circular, oval or polygonal.
  • a film of adhesive applied between the top of these first protuberances and the lower fold makes the two plies integral with one another.
  • the protuberances form alignments (14).
  • An alignment can be defined as a succession of protuberances having consecutively the smallest spacings.
  • the alignments are arranged in two directions substantially at 90 ° to each other so that they intersect forming a network and regular cells (16).
  • the cells (16) have a preferably parallelogram shape of a diamond.
  • the ratio of the length, its largest dimension, to the width, the largest dimension measured transversely to the first, is not greater than 5, preferably not more than 1.5.
  • the sides of the parallelogram are rectilinear or of corrugated shape as shown in FIG.
  • the upper fold remains detached from the lower fold at the level of the cells. This means that its dimension in the running direction is greater than that of the lower fold.
  • the analysis shows that the length of the upper fold must at least be greater than that of the lower fold by at least 0.6% for the formation of bearings on the upper fold.
  • Another necessary condition is the distance separating two adjacent protuberances along an alignment. Indeed if the spacing exceeds a certain threshold, the pads are not formed. Certain undulations exist because of the difference in length between the two folds, but they are irregular. It has been found that the pads are formed only if this distance between the protuberances remains less than 3 mm.
  • These protuberances (18) have a lower embossing height than that of the first protuberances (12). They do not form binding zones of the upper fold with the lower fold.
  • a method of manufacturing a sheet according to the invention and corresponding to an embodiment as shown in Figure 3 is described below.
  • a first continuous web of cellulose wadding (10) is unrolled from a reel (100) which is mounted on a rotatable support.
  • This strip is driven at a certain speed through an embossing group comprising a cylinder (102) with a rigid and etched surface and a cylinder (104) with a surface of resilient material such as rubber.
  • the pattern of the engraving of the rigid cylinder is for example that of FIG. 1, with first elements in relief or pins at a first etching level for producing the first protuberances and second elements in relief at a level lower than the first for the realization of the second protuberances.
  • Engravings of two-level embossing rolls are known to those skilled in the art.
  • the strip after embossing receives a film of adhesive which is deposited on the raised surfaces, that is to say those of the embossing pattern, by a cylinder (106) applicator known per se.
  • the etching pattern of the rigid cylinder corresponds to the first protuberances. It may also consist of protuberances of different depths. In this case, the adhesive film is deposited only on the protuberances with the highest relief.
  • the adhesive is a water-based adhesive, for example a polyvinyl glue common in the field of the invention.
  • the binding of the folds is obtained mechanically or in any other manner known to those skilled in the art.
  • the second fold (20) comes from a mother coil (200) which is unwound at a determined speed.
  • the pressure exerted by the marrying cylinder ensures the binding of the folds to one another.
  • the double sheet is then driven while being kept under tension to the "log" production station.
  • a "log” is an intermediate roll to the diameter of the product after it has been finished and of width equal to the width of the mother reel. Once formed, the log is driven to a sawing station where it is cut. Finally, the rolls obtained are guided to the packaging, packaging and storage stations.
  • the tension of one of the two cellulose wadding strips is adjusted with respect to the other upstream of the station where the plies are bonded to one another. This is to allow the lower fold to retract more than the other when the tensions are released.
  • a draw group located upstream of the station where the two folds are linked to each other.
  • the products were manufactured according to the method described above.
  • the upper fold was embossed in the pattern shown in Figure 1, the lower fold was not embossed.
  • a first product was manufactured by applying a difference in tension between the plies, so that the final product has a pronounced pad effect.
  • a second product was manufactured by reducing the tension gap between the two folds so that the final product had no cushioning effect.
  • a third product was produced by embossing two plies together according to the pattern of FIG. 1.
  • the cellulose wadding had the following characteristics: grammage 40.3 g / m 2 ; MD strength, 215 N / m; CD resistance, 75 N / m; with an elongation rate at break of 16%.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Paper (AREA)
  • Machines For Manufacturing Corrugated Board In Mechanical Paper-Making Processes (AREA)
  • Laminated Bodies (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Bedding Items (AREA)

Claims (10)

  1. Papierbahn bestehend aus mindestens zwei Schichten (10, 20) gekreppter Zellulosewatte, einer oberen Schicht (10) und einer unteren Schicht (20), deren jeweiliges Flächengewicht zwischen 10 und 40 g/m2 liegt, wobei die obere Schicht (10) gaufriert ist und erste Vorwölbungen (12) aufweist, die durch Gaufrieren gebildet werden und entlang Linien (14) verteilt sind, die untereinander Zellen (16) abgrenzen, dadurch gekennzeichnet, dass die Zellen (16) eine Fläche von 1 bis 20 cm2 aufweisen und dadurch, dass die obere Schicht (10) in Laufrichtung mindestens 0,6 %, vorzugsweise 0,6 bis 2 % länger ist als die untere Schicht (20) und mit dieser über die höchsten Punkte der ersten Vorwölbungen (12) derartig verbunden ist, dass sich innerhalb der Zellen (16) kleine Kissen bilden.
  2. Papierbahn nach dem vorhergehenden Anspruch, dadurch gekennzeichnet, dass die Zellen (16) ein Verhältnis Länge/Breite von zwischen 1 und 5, vorzugsweise zwischen 1 und 1,5 aufweisen.
  3. Papierbahn nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Abstand zwischen den nebeneinander liegenden Vorwölbungen (12) entlang einer Linie (14) 3 mm, vorzugsweise 1,5 mm nicht überschreitet.
  4. Papierbahn nach dem vorhergehenden Anspruch, dadurch gekennzeichnet, dass die Vorwölbungen (12) kegelstumpfförmig sind, wobei der Durchmesser an der Basis zwischen 1 und 3 mm, vorzugsweise zwischen 1 und 1,5 mm beträgt.
  5. Papierbahn nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Linien (14) in zwei verschiedenen Richtungen angeordnet sind, die untereinander die Zellen (16) bestimmen.
  6. Papierbahn nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass sie die Form einer Rolle aufweist.
  7. Verfahren zur Herstellung einer Papierbahn nach einem der vorhergehenden Ansprüche, das folgende Schritte umfasst:
    - eine erste Bahn Zellulosewatte (10) wird von einer Mutterrolle abgewickelt und auf einer Gaufrierwalze (102) gemäß einem Muster gaufriert, das aus ersten Vorwölbungen besteht, die Linien bilden, die untereinander geschlossene Zellen bestimmen,
    - eine zweite Schicht Zellulosewatte (20) wird von einer Mutterrolle abgewickelt,
    - die zweite Bahn wird auf die erste aufgebracht und beide Bahnen werden über die höchsten Punkte der ersten Vorwölbungen (12) verbunden, dadurch gekennzeichnet, dass die beiden Bahnen (10, 20) zum Zeitpunkt der Verbindung der Schichten unterschiedlich sind, sodass in Ruhe die Länge der Schichten sich um mindestens 0,6 %, vorzugsweise um 0,6% bis 2 % unterscheidet,
    - die erhaltene Doppelbahn wird unter Spannung auf eine Wickelhülse aufgerollt und
    - die Rolle wird in kleinere Rollen aufgeteilt.
  8. Verfahren nach dem vorhergehenden Anspruch, dadurch gekennzeichnet, dass die Schichten sich nach folgenden Merkmalen, einzeln oder in Kombination genommen, unterscheiden: Geschwindigkeit beim Abwickeln, Spannung in Laufrichtung, Prägetiefe, Elastizität.
  9. Verfahren gemäß einem der Ansprüche 7 oder 8, dadurch gekennzeichnet, dass die beiden Schichten durch Aufbringen von Klebstoff (106) auf die höchsten Punkte der ersten Vorwölbungen miteinander verbunden werden.
  10. Verfahren gemäß einem der Ansprüche 7 oder 8, dadurch gekennzeichnet, dass die beiden Schichten durch mechanischen Druck auf die höchsten Punkte der ersten Vorwölbungen miteinander verbunden werden.
EP01400629A 2001-03-09 2001-03-09 Papierbahn mit kleinen Kissen Expired - Lifetime EP1239079B1 (de)

Priority Applications (12)

Application Number Priority Date Filing Date Title
ES01400629T ES2287087T3 (es) 2001-03-09 2001-03-09 Hoja de papel con pequeños cojines.
AT01400629T ATE364751T1 (de) 2001-03-09 2001-03-09 Papierbahn mit kleinen kissen
PT01400629T PT1239079E (pt) 2001-03-09 2001-03-09 Folha de papel com pequenas almofadas.
DK01400629T DK1239079T3 (da) 2001-03-09 2001-03-09 Bane af papir med små puder
EP01400629A EP1239079B1 (de) 2001-03-09 2001-03-09 Papierbahn mit kleinen Kissen
DE60128890T DE60128890T2 (de) 2001-03-09 2001-03-09 Papierbahn mit kleinen Kissen
CA002406480A CA2406480C (fr) 2001-03-09 2002-03-04 Feuille de papier avec coussinets
RU2002129596/12A RU2295600C2 (ru) 2001-03-09 2002-03-04 Лист бумаги с подушечками и способ его изготовления
PCT/FR2002/000770 WO2002072956A1 (fr) 2001-03-09 2002-03-04 Feuille de papier avec coussinets
US10/275,487 US7846531B2 (en) 2001-03-09 2002-03-04 Padded paper sheet
NO20025389A NO333379B1 (no) 2001-03-09 2002-11-11 Papirark med puter
CY20071101162T CY1106854T1 (el) 2001-03-09 2007-09-10 Φυλλο χαρτιου με μαξιλαρακια

Applications Claiming Priority (1)

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EP01400629A EP1239079B1 (de) 2001-03-09 2001-03-09 Papierbahn mit kleinen Kissen

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EP1239079A1 EP1239079A1 (de) 2002-09-11
EP1239079B1 true EP1239079B1 (de) 2007-06-13

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EP (1) EP1239079B1 (de)
AT (1) ATE364751T1 (de)
CA (1) CA2406480C (de)
CY (1) CY1106854T1 (de)
DE (1) DE60128890T2 (de)
DK (1) DK1239079T3 (de)
ES (1) ES2287087T3 (de)
NO (1) NO333379B1 (de)
PT (1) PT1239079E (de)
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WO (1) WO2002072956A1 (de)

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Publication number Publication date
WO2002072956A1 (fr) 2002-09-19
ATE364751T1 (de) 2007-07-15
CA2406480C (fr) 2010-01-12
NO333379B1 (no) 2013-05-21
DE60128890T2 (de) 2008-02-07
US7846531B2 (en) 2010-12-07
RU2295600C2 (ru) 2007-03-20
DK1239079T3 (da) 2007-10-08
US20040023003A1 (en) 2004-02-05
ES2287087T3 (es) 2007-12-16
NO20025389L (no) 2003-01-09
PT1239079E (pt) 2007-09-14
CY1106854T1 (el) 2012-05-23
CA2406480A1 (fr) 2002-09-19
EP1239079A1 (de) 2002-09-11
NO20025389D0 (no) 2002-11-11
DE60128890D1 (de) 2007-07-26

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