EP1101867A1 - Creped and embossed absorbent paper, embossing roll and embossing process - Google Patents
Creped and embossed absorbent paper, embossing roll and embossing process Download PDFInfo
- Publication number
- EP1101867A1 EP1101867A1 EP99402896A EP99402896A EP1101867A1 EP 1101867 A1 EP1101867 A1 EP 1101867A1 EP 99402896 A EP99402896 A EP 99402896A EP 99402896 A EP99402896 A EP 99402896A EP 1101867 A1 EP1101867 A1 EP 1101867A1
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- EP
- European Patent Office
- Prior art keywords
- series
- protrusions
- sheet
- paper
- embossing
- 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.)
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Classifications
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- 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
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- 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
- D21H27/02—Patterned paper
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- 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
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- 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
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- 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
- B31F2201/0728—Material
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- 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
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- 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
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- 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
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- 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
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- 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
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- 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
- Y10T428/21—Circular sheet or circular blank
- Y10T428/216—Ornamental, decorative, pattern, or indicia
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- 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
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- 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
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- 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
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- 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.]
- Y10T428/24628—Nonplanar uniform thickness material
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- 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.]
- Y10T428/24942—Structurally defined web or sheet [e.g., overall dimension, etc.] including components having same physical characteristic in differing degree
Definitions
- the invention relates to a sheet of paper, in particular a absorbent sheet of crepe cellulose wadding, having an embossing pattern.
- the invention relates in particular to a sheet of paper, consisting in particular of at least one fold of absorbent paper in creped cellulose wadding, intended for wiping in household, domestic or industrial use, i.e. can be used as a paper towel, cloth etc.
- the first is known in the field as designation "nested" or interlocking. It consists first of emboss each of the folds separately so as to form generally substantially protruding surface frustoconical or in pyramid trunks. Then we put some glue on the top of the protrusions of one of the folds, and we arrange the folds so that the faces with the protrusions come opposite, the protrusions of one between the protuberances of the other. We finally assemble the folds of so that the protuberances having been glued come fit between the protrusions of the other fold. So the two folds are linked by glue points between the tops of protrusions of a pleat and unembossed areas between the protrusions of the other fold.
- the second method of assembly is known in the domain under the designation spikes / spikes. It differs from preceded by the relative arrangement of the two folds. These, after that they have been embossed separately, are brought one on top of the other so as to make the vertices of the protrusions coincide. The folds are linked together by the vertices of the protrusions, points against spikes. This technique is illustrated by the patent US-A-3,414,459.
- the invention also provides an engraved cylinder for the embossing of a sheet according to the invention comprising a first series of spikes of generally frustoconical shape and forming alignments, characterized in that it comprises a second series protrusions whose height of the vertices is less than that of the pins of the first series and which are in the form of low wall connecting two successive spikes of the first series, the protrusions of the second series having in particular a thickness less than that of the pins of the first series.
- the invention finally provides a method of embossing a sheet by means of a cylinder according to the invention, characterized in that it consists of embossing the sheets until they come in support on the top of said low wall protrusions.
- FIG. 1 An embodiment of a sheet of embossed paper, in particular a sheet of paper consisting of one or more folds of absorbent paper, in creped cellulose wadding, intended for all types of hygiene products or cleaning.
- the cellulose wadding with a basis weight between 12 and 30 g / m 2 , is preferably of the type obtained by conventional wet pressing, known as CWP.
- the sheet of paper shown in Figure 1 is an outer fold of a sheet of paper which is by example intended to be incorporated in a paper roll paper towels.
- Pattern elements 14 and 16 of general design known, consist of series of protrusions which are aligned according to figures, in particular in closed loops, by example in circles or squares with rounded sides. Several closed loops are arranged concentrically as can be seen in Figure 1.
- the protrusions constituting the pattern elements are obtained by embossing the sheet 10 by means of a cylinder 18, illustrated schematically in Figures 2 and 3 on the convex cylindrical external face 20 of which are formed in relief from the protrusions homologous to those that one wishes to obtain on the embossed sheet of paper.
- each figure in particular in a closed loop, participating in the creation of the motif which visually detaches from the bottom of the sheet, consists of a first series of protrusions 22 each of which is shaped general of a protruding frustoconical picot, that is to say that the protrusions or spikes of this first series are protruding above the bottom 12 of the sheet 10.
- the sheet includes, for each figure, a second associated series of protrusions 24, each of which is generally in the form of a low wall.
- Each wall-shaped protrusion 24 of the second series is formed in relief by projecting above the bottom 12 of sheet 10 in the same way as the protrusions 22 of the first series.
- Two consecutive protrusions 22 of frustoconical shape are connected to each other by a low wall 24.
- the height in relief H1 of the protrusions 22 is greater than the height H2 low walls 24.
- the height of the pins 23 is equal to 1.3 millimeters while the height of the walls 25 is equal to 0.7 millimeters.
- the height of the walls on the embossing cylinder is at more equal to the height of the pins of the first series, that is to say 1.3 millimeters in the present example.
- the height difference is chosen so that the rubber may come into contact with the upper surface of the wall at when embossing and thus conform the sheet to the wall at less partially.
- the pins are generally of frustoconical shape with section circular, oval, polygonal or other, and preferably with strong slope, between 60 and 70 °.
- the thickness of the walls is less than that of the pins, preferably their slope is the same as that of these.
- the invention is not limited to the case of a folded sheet unique.
- the design according to the invention advantageously allows to make many varieties of patterns.
- Tests were carried out to verify that the performance of a product produced in accordance with the invention were not altered. Indeed, any additional embossing leads a priori reduction for example of the resistance or may cause a fall in absorption capacity.
- a first product A is a two-ply paper associated in "nested" of the prior art. This is a product that conforms to the paper towel marketed by the Applicant in France under the registered trademark "OKAY”.
- the pattern consists of circles concentric and staggered like the one shown in the figures but without the low walls according to the invention.
- the second product B was produced with two folds of the same cellulose wadding as above but embossed according to the invention with the motif shown in the figures.
- the third product C was also produced with two folds but with an embossing consisting of protrusions on the surface at vertex continues in the shape of a circle.
- the pattern is thus constituted of continuous circles.
- the invention makes it possible to produce products having an improved definition of the decorative pattern without significant loss of its characteristic properties.
- the invention also allows, compared to the solution anterior without a low wall, to increase the number of pins on the engraved cylinder while keeping the distance between the two successive pins, which better improves the visibility of the pattern.
Abstract
Description
L'invention concerne une feuille de papier, notamment une feuille de papier absorbant en ouate de cellulose crêpée, comportant un motif de gaufrage.The invention relates to a sheet of paper, in particular a absorbent sheet of crepe cellulose wadding, having an embossing pattern.
L'invention concerne en particulier une feuille de papier, constituée notamment d'au moins un pli de papier absorbant en ouate de cellulose crêpée, destinée au domaine de l'essuyage dans un usage ménager, domestique ou industriel, c'est-à-dire susceptible d'être utilisée comme essuie-tout, chiffon etc.The invention relates in particular to a sheet of paper, consisting in particular of at least one fold of absorbent paper in creped cellulose wadding, intended for wiping in household, domestic or industrial use, i.e. can be used as a paper towel, cloth etc.
Dans le domaine des papiers à usage sanitaire ou domestique tels que le papier hygiénique ou l'essuie-tout, il est connu de réaliser des feuilles de papier composées de plusieurs plis de papier absorbant, par exemple en ouate de cellulose crêpée de grammage compris entre 12 et 30 g/m2, munies de protubérances qui sont obtenues par gaufrage.In the field of papers for sanitary or domestic use such as toilet paper or paper towels, it is known to produce sheets of paper composed of several plies of absorbent paper, for example in creped cellulose wadding of grammage between 12 and 30 g / m 2 , provided with protuberances which are obtained by embossing.
En effet le gaufrage donne du bouffant à la feuille et il induit une amélioration de l'absorption des liquides, du toucher et de la douceur. On a cherché à augmenter davantage la capacité d'absorption en créant des feuilles multicouches obtenues en associant au moins deux couches, aussi appelées plis, constitués chacun d'au moins une desdites feuilles gaufrées.Indeed, the embossing gives bulk to the sheet and it induces improved absorption of liquids, touch and sweetness. We tried to further increase the capacity absorption by creating multilayer sheets obtained by associating at least two layers, also called folds, made up each of at least one of said embossed sheets.
Deux modes de gaufrage et assemblage des plis sont couramment mis en oeuvre selon les caractéristiques désirées du produit final.Two modes of embossing and assembling the plies are commonly implemented according to the desired characteristics of the final product.
Le premier est connu dans le domaine sous la désignation "nested" ou à emboítement. Il consiste d'abord à gaufrer chacun des plis séparément de manière à former en surface des protubérances généralement sensiblement tronconiques ou en troncs de pyramide. Ensuite on dépose de la colle sur le sommet des protubérances de l'un des plis, et on dispose les plis de façon que les faces présentant les protubérances viennent en vis à vis, les protubérances de l'un entre les protubérances de l'autre. On assemble enfin les plis de telle sorte que les protubérances ayant été encollées viennent s'emboíter entre les protubérances de l'autre pli. Ainsi les deux plis sont liés par des points de colle entre les sommets des protubérances d'un pli et des zones non gaufrées entre les protubérances de l'autre pli. On réalise une structure dont les vides ainsi ménagés sont propres à assurer à la feuille une absorption améliorée. En outre, les faces extérieures ont un toucher lisse et moelleux en raison des zones en creux formées par le dos des protubérances. Cette technique est illustrée par le brevet US-A-3.867.225.The first is known in the field as designation "nested" or interlocking. It consists first of emboss each of the folds separately so as to form generally substantially protruding surface frustoconical or in pyramid trunks. Then we put some glue on the top of the protrusions of one of the folds, and we arrange the folds so that the faces with the protrusions come opposite, the protrusions of one between the protuberances of the other. We finally assemble the folds of so that the protuberances having been glued come fit between the protrusions of the other fold. So the two folds are linked by glue points between the tops of protrusions of a pleat and unembossed areas between the protrusions of the other fold. We create a structure whose voids thus provided are suitable for ensuring the sheet a improved absorption. In addition, the outer faces have a smooth and fluffy feel due to the hollow areas formed by the back of the protuberances. This technique is illustrated by the US-A-3,867,225.
Le second mode d'assemblage est connu dans le domaine sous la désignation pointes/pointes. Il se distingue du précédent par la disposition relative des deux plis. Ceux-ci, après qu'ils ont été gaufrés séparément, sont amenés l'un sur l'autre de façon à faire coïncider les sommets des protubérances. Les plis sont liés entre eux par les sommets des protubérances, pointes contre pointes. Cette technique est illustrée par le brevet US-A-3.414.459.The second method of assembly is known in the domain under the designation spikes / spikes. It differs from preceded by the relative arrangement of the two folds. These, after that they have been embossed separately, are brought one on top of the other so as to make the vertices of the protrusions coincide. The folds are linked together by the vertices of the protrusions, points against spikes. This technique is illustrated by the patent US-A-3,414,459.
Quand on considère les réalisations pratiques de ces structures, qu'elles soient du type "nested" ou pointes/pointes, les protubérances obtenues lors du gaufrage sont le plus souvent réalisées de manière à être réparties selon un motif dans lequel les protubérances sont généralement alignées selon une ou plusieurs directions, de manière uniforme. Un tel motif permet d'obtenir une feuille homogène quant à ses caractéristiques mécaniques mais ne permet d'obtenir qu'un faible impact esthétique.When we consider the practical achievements of these structures, whether they are of the "nested" or point / point type, the protrusions obtained during embossing are most often made so as to be distributed according to a pattern in which the protrusions are generally aligned in one or more multiple directions, evenly. Such a pattern allows to obtain a uniform sheet with regard to its characteristics mechanical but only achieves a low impact aesthetic.
La demanderesse a créé, dans le but notamment d'améliorer l'aspect du produit, des motifs dans lesquels les protubérances sont disposées au moins en partie selon des courbes, des portions de courbes ou de droites - ou bien des combinaisons de telles portions de courbes et/ou de droites. En particulier certaines des dites portions sont, au moins partiellement, parallèles entre elles. En particulier les protubérances forment des courbes fermées comprenant des cercles ou des portions de cercles éventuellement concentriques. The plaintiff has created, in particular for the purpose improve the appearance of the product, the reasons why protrusions are arranged at least in part according to curves, portions of curves or lines - or combinations of such portions of curves and / or lines. In particular some of the said portions are, at least partially, parallel to each other. In particular the protrusions form closed curves comprising circles or portions of circles which may be concentric.
L'invention a pour but de proposer un perfectionnement à une telle conception qui trouve notamment à s'appliquer lorsqu'on souhaite obtenir un effet visuel renforcé.The object of the invention is to propose an improvement to such a concept which is particularly applicable when wishes to obtain a reinforced visual effect.
Dans ce but, l'invention propose une feuille composée d'au moins un pli d'ouate de cellulose crêpée, de grammage compris entre 12 et 30 g/m2, du type comportant un motif de gaufrage constitué d'une première série de protubérances en forme générale de picots en saillie sur une face du pli et qui forment des alignements, caractérisée en ce que le pli comporte une seconde série de protubérances, associée à la première série, dont chacune est en forme générale de muret, qui sont en saillie sur ladite face du pli, dont la hauteur en relief est inférieure à la hauteur des protubérances de la première série et dont chacune relie entre elles deux protubérances adjacentes selon les dits alignements de la première série de manière à accentuer la perception visuelle du motif.To this end, the invention provides a sheet composed of at least one ply of creped cellulose wadding, with a grammage between 12 and 30 g / m 2 , of the type comprising an embossing pattern consisting of a first series of protrusions in the general form of studs projecting from one face of the fold and which form alignments, characterized in that the fold comprises a second series of protrusions, associated with the first series, each of which is in the general shape of a low wall, which are in protrusion on said face of the fold, the height of which in relief is less than the height of the protuberances of the first series and each of which connects two adjacent protuberances according to said alignments of the first series so as to accentuate the visual perception of the pattern.
Selon d'autres caractéristiques de l'invention :
- le motif comporte au moins une première série de protubérances qui sont alignées selon des figures en boucles fermées, et deux protubérances consécutives de cette première série sont reliées entre elles par une protubérance en forme de muret appartenant à la seconde série associée de protubérances, en particulier ces figures comportent au moins des portions de courbes ;
- le motif comporte plusieurs premières et secondes séries associées de protubérances pour constituer plusieurs figures en boucles fermées concentriques ;
- la feuille comporte plusieurs motifs de gaufrage ;
- lorsque la feuille est une feuille multicouches absorbante à au moins deux plis ou couches, au moins un pli est constitué d'un feuille selon l'invention ;
- chacun des plis externes est constitué d'une feuille selon l'invention ;
- lesdites protubérances sont formées en saillie sur la face interne du pli externe ;
- la feuille multicouches comporte deux plis et les séries associées de protubérances de l'un des deux plis sont imbriquées entre les séries associées de protubérances de l'autre des deux plis.
- the pattern comprises at least a first series of protuberances which are aligned according to figures in closed loops, and two consecutive protuberances of this first series are interconnected by a wall-shaped protuberance belonging to the second associated series of protuberances, in particular these figures include at least portions of curves;
- the pattern comprises several first and second associated series of protrusions to constitute several figures in concentric closed loops;
- the sheet has several embossing patterns;
- when the sheet is an absorbent multilayer sheet with at least two folds or layers, at least one fold consists of a sheet according to the invention;
- each of the outer plies consists of a sheet according to the invention;
- said protrusions are formed projecting from the inner face of the outer fold;
- the multi-layer sheet has two folds and the associated series of protrusions of one of the two folds are nested between the associated series of protrusions of the other of the two folds.
L'invention propose aussi un cylindre gravé pour le gaufrage d'une feuille selon l'invention comprenant une première série de picots de forme générale tronconique et formant des alignements, caractérisé en ce qu'il comprend une deuxième série de protubérances dont la hauteur des sommets est inférieure à celle des picots de la première série et qui sont en forme de muret reliant deux picots successifs de la première série, les protubérances de la deuxième série ayant notamment une épaisseur inférieure à celle des picots de la première série.The invention also provides an engraved cylinder for the embossing of a sheet according to the invention comprising a first series of spikes of generally frustoconical shape and forming alignments, characterized in that it comprises a second series protrusions whose height of the vertices is less than that of the pins of the first series and which are in the form of low wall connecting two successive spikes of the first series, the protrusions of the second series having in particular a thickness less than that of the pins of the first series.
L'invention propose enfin un procédé de gaufrage d'une feuille au moyen d'un cylindre selon l'invention, caractérisé en ce qu'il consiste à gaufrer les feuilles jusqu'à ce qu'elle viennent en appui sur le sommet desdites protubérances en forme de muret.The invention finally provides a method of embossing a sheet by means of a cylinder according to the invention, characterized in that it consists of embossing the sheets until they come in support on the top of said low wall protrusions.
D'autres caractéristiques et avantages de l'invention apparaítront à la lecture de la description détaillée qui suit ainsi qu'à la consultation des dessins annexés dans lesquels :
- la figure 1 illustre en vue de dessus un exemple de réalisation d'une feuille de papier gaufré réalisée conformément aux enseignements de l'invention, et plus particulièrement une feuille de papier essuie-tout ;
- la figure 2 est une vue schématique en perspective illustrant la surface cylindrique convexe d'un cylindre de gaufrage d'une feuille selon la figure 1 ;
- la figure 3 est une vue à très grande échelle du détail D3 de la figure 2 ;
- les figures 4 à 6 sont des vues de détail en section de la feuille de la figure 1, en section selon les lignes 4-4 à 6-6 indiquées sur la figure 3 ;
- la figure 7 est un diagramme illustrant l'absorption en fonction de l'épaisseur de différentes conceptions de feuilles dont l'une est conforme aux enseignements de l'invention.
- Figure 1 illustrates a top view of an embodiment of a sheet of embossed paper produced in accordance with the teachings of the invention, and more particularly a sheet of paper towel;
- Figure 2 is a schematic perspective view illustrating the convex cylindrical surface of an embossing cylinder of a sheet according to Figure 1;
- Figure 3 is an enlarged view of detail D3 of Figure 2;
- Figures 4 to 6 are detail views in section of the sheet of Figure 1, in section along lines 4-4 to 6-6 indicated in Figure 3;
- FIG. 7 is a diagram illustrating the absorption as a function of the thickness of different sheet designs, one of which is in accordance with the teachings of the invention.
On a représenté à la figure 1 un exemple de réalisation d'une feuille de papier gaufré, notamment une feuille de papier constituée d'un ou plusieurs plis de papier absorbant, en ouate de cellulose crêpée, destinée à tout type de produits d'hygiène ou de ménage. L'ouate de cellulose, de grammage compris entre 12 et 30 g/m2, est de préférence du type obtenu par pressage humide conventionnel, dit CWP.There is shown in Figure 1 an embodiment of a sheet of embossed paper, in particular a sheet of paper consisting of one or more folds of absorbent paper, in creped cellulose wadding, intended for all types of hygiene products or cleaning. The cellulose wadding, with a basis weight between 12 and 30 g / m 2 , is preferably of the type obtained by conventional wet pressing, known as CWP.
Plus particulièrement, la feuille de papier représentée à la figure 1 est un pli externe d'une feuille de papier qui est par exemple destinée à être incorporée dans un rouleau de papier essuie-tout.More specifically, the sheet of paper shown in Figure 1 is an outer fold of a sheet of paper which is by example intended to be incorporated in a paper roll paper towels.
Après gaufrage, le fond 12 de la feuille 10 est ici, à titre
d'exemple, non gaufré et un motif constitué d'éléments, répétés et
intercalés en quinconces 14 et 16 est apparent et se détache du
fond 12 de la feuille.After embossing, the
Les éléments de motif 14 et 16, de conception générale
connue, sont constitués de séries de protubérances qui sont
alignées selon des figures, en particulier en boucles fermées, par
exemple en cercles ou en carrés avec des côtés arrondis.
Plusieurs boucles fermées sont aménagées concentriquement
comme on peut le voir à la figure 1.
Selon une technique connue, les protubérances constituant
les éléments de motif sont obtenues par gaufrage de la feuille 10
au moyen d'un cylindre 18, illustré schématiquement aux figures 2
et 3 sur la face externe cylindrique convexe 20 duquel sont
formées en relief des protubérances homologues de celles que
l'on désire obtenir sur la feuille de papier gaufrée.According to a known technique, the protrusions constituting
the pattern elements are obtained by embossing the
Selon une conception connue, chaque figure, notamment
en boucle fermée, participant à la réalisation du motif qui se
détache visuellement du fond de la feuille, est constituée d'une
première série de protubérances 22 dont chacune est en forme
générale d'un picot tronconique en saillie, c'est-à-dire que les
protubérances ou picots de cette première série sont en saillie
au-dessus du fond 12 de la feuille 10.According to a known conception, each figure, in particular
in a closed loop, participating in the creation of the motif which
visually detaches from the bottom of the sheet, consists of a
first series of
Pour la réalisation d'une série de protubérances 22 dans la
feuille 10, le cylindre de gaufrage 18 comporte sur sa face
cylindrique convexe 20 une première série homologue de picots
tronconiques en relief 23.For the production of a series of
Conformément aux enseignements de l'invention, et afin
d'accentuer la perception visuelle par l'utilisateur du motif
décoratif réalisé au moyen des protubérances 22, la feuille
comporte, pour chaque figure, une deuxième série associée de
protubérances 24 dont chacune est en forme générale de muret.
Chaque protubérance en forme de muret 24 de la seconde
série est formée en relief en s'étendant en saillie au-dessus du
fond 12 de la feuille 10 de la même façon que les protubérances
22 de la première série.In accordance with the teachings of the invention, and in order
to accentuate the visual perception by the user of the pattern
decorative produced by means of
Pour la réalisation des protubérances en forme de muret
24, la face cylindrique externe convexe 20 du cylindre de
gaufrage 18 comporte une seconde série associée de protubérances
en relief 25 en forme de muret homologues de celles que
l'on souhaite obtenir.For the production of protrusions in the form of a
Deux protubérances consécutives 22 de forme tronconique
sont reliées entre elles par un muret 24.Two
Comme on peut le voir notamment à la figure 4, la hauteur
en relief H1 des protubérances 22 est supérieure à la hauteur H2
des murets 24.As can be seen in particular in Figure 4, the height
in relief H1 of the
A titre d'exemple, si l'on considère les hauteurs
correspondantes des picots 23 et des murets 25 formés d'un relief
sur le cylindre 18, destinés au gaufrage d'une feuille de papier
pour un usage en tant qu'essuie-tout, la hauteur des picots 23 est
égale à 1,3 millimètre tandis que la hauteur des murets 25 est
égale à 0,7 millimètre. Avec un cylindre ainsi défini, associé à un
cylindre à revêtement en caoutchouc approprié, on a gaufré un pli
d'ouate de cellulose de 22 g/m2 et obtenu une épaisseur moyenne
H1 de l'ordre de 0,8 millimètre.By way of example, if we consider the corresponding heights of the
Grâce à la présence de deux séries associées de
protubérances 22 et 24, la perception par l'utilisateur du motif
décoratif formé en relief dans la feuille 10 est accentuée par
rapport à l'état de la technique.Thanks to the presence of two associated series of
La hauteur des murets sur le cylindre de gaufrage est au plus égale à la hauteur des picots de la première série, c'est-à-dire 1,3 millimètre dans l'exemple présent. De préférence et afin d'obtenir un effet de renforcement de la visibilité du motif, la différence de hauteurs est choisie de façon que le caoutchouc puisse venir au contact de la surface supérieure du muret au moment du gaufrage et ainsi conformer la feuille au muret au moins partiellement.The height of the walls on the embossing cylinder is at more equal to the height of the pins of the first series, that is to say 1.3 millimeters in the present example. Preferably and so to obtain an effect of strengthening the visibility of the pattern, the height difference is chosen so that the rubber may come into contact with the upper surface of the wall at when embossing and thus conform the sheet to the wall at less partially.
Les picots sont en général de forme tronconique à section circulaire, ovale, polygonale ou autre, et de préférence à forte de pente, entre 60 et 70°. L'épaisseur des murets est inférieure à celle des picots, de préférences leur pente est la même que celle de ces derniers.The pins are generally of frustoconical shape with section circular, oval, polygonal or other, and preferably with strong slope, between 60 and 70 °. The thickness of the walls is less than that of the pins, preferably their slope is the same as that of these.
L'invention n'est pas limitée au cas d'une feuille à pli unique.The invention is not limited to the case of a folded sheet unique.
Elle trouve aussi à s'appliquer dans le cas d'une feuille multicouches comportant par exemple deux plis ou couches réalisées conformément aux enseignements de l'invention.It is also applicable in the case of a leaf multilayer comprising for example two folds or layers carried out in accordance with the teachings of the invention.
Dans ce cas, les protubérances 22 et 24 s'étendent de
préférence en saillie sur la face interne de chacun des deux plis
de la feuille multicouches, selon une conception connue, de
manière à en augmenter l'épaisseur, ainsi que pour permettre
l'accrochage des deux plis par les extrémités libres des picots 22,
les deux plis étant alors assemblés par exemple selon la
conception dite "nested" telle que mentionnée plus haut.In this case, the
La conception selon l'invention permet avantageusement de réaliser de nombreuses variétés de motifs. The design according to the invention advantageously allows to make many varieties of patterns.
On a procédé à des essais de façon à vérifier que les performances d'un produit réalisé conformément à l'invention n'étaient pas altérées. En effet, tout gaufrage supplémentaire induit a priori une réduction par exemple de la résistance ou bien peut entraíner une chute de la capacité d'absorption.Tests were carried out to verify that the performance of a product produced in accordance with the invention were not altered. Indeed, any additional embossing leads a priori reduction for example of the resistance or may cause a fall in absorption capacity.
Un premier produit A est un papier à deux plis associés en "nested" de l'art antérieur. Il s'agit d'un produit conforme à l'essuie-tout commercialisé par la Demanderesse en France sous la marque déposée "OKAY". Le motif est constitué de cercles concentriques et disposés en quinconce comme celui représenté sur les figures mais sans les murets selon l'invention.A first product A is a two-ply paper associated in "nested" of the prior art. This is a product that conforms to the paper towel marketed by the Applicant in France under the registered trademark "OKAY". The pattern consists of circles concentric and staggered like the one shown in the figures but without the low walls according to the invention.
Le deuxième produit B a été réalisé avec deux plis de la même ouate de cellulose que précédemment mais gaufrée selon l'invention avec le motif représenté sur les figures.The second product B was produced with two folds of the same cellulose wadding as above but embossed according to the invention with the motif shown in the figures.
Le troisième produit C a aussi été réalisé avec deux plis mais avec un gaufrage constitué de protubérances à surface au sommet continue en forme de cercle. Le motif est ainsi constitué de cercles continus.The third product C was also produced with two folds but with an embossing consisting of protrusions on the surface at vertex continues in the shape of a circle. The pattern is thus constituted of continuous circles.
On a utilisé un caoutchouc approprié avec différentes
pressions de gaufrage mesurées par la largeur l'empreinte E, soit
respectivement 16, 20, 22 et 24 mm. Les résultats sont reportés
dans le tableau ci-dessous :
mm
N/m/2plis
MD:CD
N/m/2plis
CD
Afnor cm3/g
mm
N / m / 2 ply
MD: CD
N / m / 2 ply
CD
Afnor cm3 / g
On a tracé à partir de ces données, sur la figure 7, les courbes représentatives de l'absorption en fonction de l'épaisseur pour les trois produits A B et C. Il apparaít que le produit B conforme à l'invention n'a rien perdu en absorption, malgré le gaufrage supplémentaire, contrairement à un produit C.We have traced from these data, in Figure 7, the curves representative of the absorption as a function of the thickness for the three products A B and C. It appears that product B according to the invention has lost nothing in absorption, despite the additional embossing, unlike a C product.
On observe le même phénomène en ce qui concerne la résistance humide mesurée en fonction de la variation d'épaisseur, c'est-à-dire de la pression de gaufrage. On ne constate aucune perte significative en caractéristique avec le produit de l'invention.We observe the same phenomenon with regard to wet resistance measured as a function of the variation of thickness, that is to say of the embossing pressure. Onne finds no significant loss in characteristic with the product of the invention.
Ainsi l'invention permet de réaliser des produits présentant une définition améliorée du motif décoratif sans perte significative de ses propriétés caractéristiques. Thus the invention makes it possible to produce products having an improved definition of the decorative pattern without significant loss of its characteristic properties.
L'invention permet également, par rapport à la solution antérieure sans muret, d'augmenter le nombre de picots sur le cylindre gravé tout en conservant la distance entre les deux picots successifs, ce qui améliore mieux la visibilité du motif.The invention also allows, compared to the solution anterior without a low wall, to increase the number of pins on the engraved cylinder while keeping the distance between the two successive pins, which better improves the visibility of the pattern.
Claims (11)
Priority Applications (10)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP99402896A EP1101867A1 (en) | 1999-11-22 | 1999-11-22 | Creped and embossed absorbent paper, embossing roll and embossing process |
AT00403240T ATE394547T1 (en) | 1999-11-22 | 2000-11-21 | CREPE EMBOSSED ABSORBENT TISSUE PAPER, EMBOSSING ROLLER AND METHOD FOR EMBOSSING |
ES00403240T ES2304936T5 (en) | 1999-11-22 | 2000-11-21 | Corsored and embossed abscess paper sheet, embossing cylinder and embossing procedure |
DE60038773T DE60038773D1 (en) | 1999-11-22 | 2000-11-21 | Creped embossed absorbent tissue paper, embossing roll and embossing method |
DK00403240.5T DK1101866T4 (en) | 1999-11-22 | 2000-11-21 | Creped and embossed absorbent paper sheets, embossing roll and embossing method |
US09/716,441 US6461720B1 (en) | 1999-11-22 | 2000-11-21 | Creped absorbent sheet of paper comprising a decorative pattern of protrusions, an embossing cylinder for such a sheet and an embossing method |
EP00403240A EP1101866B2 (en) | 1999-11-22 | 2000-11-21 | Creped and embossed absorbant paper sheet, embossing roll and embossing process |
PT00403240T PT1101866E (en) | 1999-11-22 | 2000-11-21 | Creped and embossed absorbant paper sheet, embossing roll and embossing process |
US10/222,861 US6680102B2 (en) | 1999-11-22 | 2002-08-19 | Engraved cylinder and method of use |
CY20081100827T CY1108243T1 (en) | 1999-11-22 | 2008-08-06 | ABSOLUTELY PAPERED SHEET AND SHAPE PAPER, SHAPE CYLINDER AND METHOD OF PRINTING |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP99402896A EP1101867A1 (en) | 1999-11-22 | 1999-11-22 | Creped and embossed absorbent paper, embossing roll and embossing process |
Publications (1)
Publication Number | Publication Date |
---|---|
EP1101867A1 true EP1101867A1 (en) | 2001-05-23 |
Family
ID=8242184
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99402896A Withdrawn EP1101867A1 (en) | 1999-11-22 | 1999-11-22 | Creped and embossed absorbent paper, embossing roll and embossing process |
EP00403240A Expired - Lifetime EP1101866B2 (en) | 1999-11-22 | 2000-11-21 | Creped and embossed absorbant paper sheet, embossing roll and embossing process |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00403240A Expired - Lifetime EP1101866B2 (en) | 1999-11-22 | 2000-11-21 | Creped and embossed absorbant paper sheet, embossing roll and embossing process |
Country Status (8)
Country | Link |
---|---|
US (2) | US6461720B1 (en) |
EP (2) | EP1101867A1 (en) |
AT (1) | ATE394547T1 (en) |
CY (1) | CY1108243T1 (en) |
DE (1) | DE60038773D1 (en) |
DK (1) | DK1101866T4 (en) |
ES (1) | ES2304936T5 (en) |
PT (1) | PT1101866E (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1331308A1 (en) * | 2002-01-25 | 2003-07-30 | Georgia-Pacific France | A creped sheet of absorbent paper, a roll for the embossing and a process incorporating the same |
EP1520930A1 (en) * | 2003-10-02 | 2005-04-06 | Georgia-Pacific France | Sheet of absorbent paper with improved relief |
US7413630B2 (en) * | 2001-12-12 | 2008-08-19 | Georgia-Pacific France | Multi-layer sheet of absorbent paper |
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US20040204697A1 (en) * | 2003-04-11 | 2004-10-14 | Litvay John D. | Absorbent articles containing absorbent cores having at least one outer layer containing microwells |
DE60227798D1 (en) * | 2002-08-22 | 2008-09-04 | Georgia Pacific France | Roll of cellulose wadding and process for its preparation |
US7128809B2 (en) * | 2002-11-05 | 2006-10-31 | The Procter & Gamble Company | High caliper web and web-making belt for producing the same |
US7320821B2 (en) * | 2003-11-03 | 2008-01-22 | The Procter & Gamble Company | Three-dimensional product with dynamic visual impact |
US20060088697A1 (en) * | 2004-10-22 | 2006-04-27 | Manifold John A | Fibrous structures comprising a design and processes for making same |
US20060088696A1 (en) * | 2004-10-25 | 2006-04-27 | The Procter & Gamble Company | Reinforced fibrous structures |
US8034215B2 (en) * | 2004-11-29 | 2011-10-11 | The Procter & Gamble Company | Patterned fibrous structures |
US7597777B2 (en) * | 2005-09-09 | 2009-10-06 | The Procter & Gamble Company | Process for high engagement embossing on substrate having non-uniform stretch characteristics |
US7744981B2 (en) * | 2006-03-06 | 2010-06-29 | The Procter & Gamble Company | Embossed multi-ply fibrous structure product |
EP1845193A1 (en) | 2006-04-14 | 2007-10-17 | Georgia-Pacific France | Multi-ply absorbent sheet, roll and process for producing the same |
US20080264275A1 (en) * | 2007-04-30 | 2008-10-30 | Lee Delson Wilhelm | Embossing apparatus |
US8470431B2 (en) * | 2007-12-14 | 2013-06-25 | Kimberly Clark | Product with embossments having a decreasing line weight |
USD751826S1 (en) | 2014-04-16 | 2016-03-22 | Georgia-Pacific Consumer Products Lp | Paper product |
ES2578830B1 (en) * | 2015-01-29 | 2017-08-10 | L.C. Paper 1881, S. A. | PROCEDURE FOR OBTAINING SUNFLOWED PAPER PAPER AND SUNFLOWING UNIT OF A SINGLE LAYER CREPED PAPER SHEET |
USD773831S1 (en) * | 2015-03-09 | 2016-12-13 | Productos Familia S.A. | Absorbent paper towel with embossing pattern |
USD796073S1 (en) * | 2016-03-15 | 2017-08-29 | Tuf-Tite, Inc. | Sidewalk tile |
JP6689637B2 (en) * | 2016-03-22 | 2020-04-28 | 大王製紙株式会社 | Kitchen paper |
GB2569499A (en) | 2016-09-30 | 2019-06-19 | Kimberly Clark Co | Textured cleansing article |
USD860656S1 (en) * | 2017-06-09 | 2019-09-24 | Suominen Corporation | Fibrous material sheet with patterned surface |
USD871082S1 (en) * | 2017-06-15 | 2019-12-31 | Kimberly-Clark Worldwide, Inc. | Wiping article |
US11248347B2 (en) | 2017-07-18 | 2022-02-15 | Gpcp Ip Holdings Llc | Embossing pattern with a continuous contour plateau having emboss elements thereon and products and methods of using the same |
USD899101S1 (en) * | 2018-12-26 | 2020-10-20 | Productos Familia S.A. | Paper towel with embossing pattern |
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- 2000-11-21 DK DK00403240.5T patent/DK1101866T4/en active
- 2000-11-21 ES ES00403240T patent/ES2304936T5/en not_active Expired - Lifetime
- 2000-11-21 US US09/716,441 patent/US6461720B1/en not_active Expired - Lifetime
- 2000-11-21 EP EP00403240A patent/EP1101866B2/en not_active Expired - Lifetime
- 2000-11-21 PT PT00403240T patent/PT1101866E/en unknown
- 2000-11-21 DE DE60038773T patent/DE60038773D1/en not_active Expired - Lifetime
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US7413630B2 (en) * | 2001-12-12 | 2008-08-19 | Georgia-Pacific France | Multi-layer sheet of absorbent paper |
EP1331308A1 (en) * | 2002-01-25 | 2003-07-30 | Georgia-Pacific France | A creped sheet of absorbent paper, a roll for the embossing and a process incorporating the same |
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Also Published As
Publication number | Publication date |
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DK1101866T3 (en) | 2008-09-08 |
US20030021954A1 (en) | 2003-01-30 |
ES2304936T5 (en) | 2012-06-05 |
US6461720B1 (en) | 2002-10-08 |
DE60038773D1 (en) | 2008-06-19 |
CY1108243T1 (en) | 2014-02-12 |
ATE394547T1 (en) | 2008-05-15 |
US6680102B2 (en) | 2004-01-20 |
EP1101866B1 (en) | 2008-05-07 |
ES2304936T3 (en) | 2008-11-01 |
EP1101866A1 (en) | 2001-05-23 |
EP1101866B2 (en) | 2012-02-22 |
PT1101866E (en) | 2008-07-31 |
DK1101866T4 (en) | 2012-05-29 |
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