EP1584458A1 - Verfahren zum Herstellen eines mehrlagigen Zellulosefaserprodukts - Google Patents

Verfahren zum Herstellen eines mehrlagigen Zellulosefaserprodukts Download PDF

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Publication number
EP1584458A1
EP1584458A1 EP05290711A EP05290711A EP1584458A1 EP 1584458 A1 EP1584458 A1 EP 1584458A1 EP 05290711 A EP05290711 A EP 05290711A EP 05290711 A EP05290711 A EP 05290711A EP 1584458 A1 EP1584458 A1 EP 1584458A1
Authority
EP
European Patent Office
Prior art keywords
cylinder
fold
glue
embossing
pattern
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.)
Granted
Application number
EP05290711A
Other languages
English (en)
French (fr)
Other versions
EP1584458B1 (de
Inventor
Sylvain Breteau
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
Publication of EP1584458A1 publication Critical patent/EP1584458A1/de
Application granted granted Critical
Publication of EP1584458B1 publication Critical patent/EP1584458B1/de
Not-in-force legal-status Critical Current
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F1/00—Mechanical deformation without removing material, e.g. in combination with laminating
    • B31F1/07—Embossing, i.e. producing impressions formed by locally deep-drawing, e.g. using rolls provided with complementary profiles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F2201/00—Mechanical deformation of paper or cardboard without removing material
    • B31F2201/07—Embossing
    • B31F2201/0758—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
    • B31F2201/0758—Characteristics of the embossed product
    • B31F2201/0761—Multi-layered
    • B31F2201/0764—Multi-layered the layers being nested
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F2201/00—Mechanical deformation of paper or cardboard without removing material
    • B31F2201/07—Embossing
    • B31F2201/0771—Other aspects of the embossing operations
    • B31F2201/0774—Multiple successive embossing operations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F2201/00—Mechanical deformation of paper or cardboard without removing material
    • B31F2201/07—Embossing
    • B31F2201/0784—Auxiliary operations
    • B31F2201/0787—Applying adhesive

Definitions

  • the invention relates to the field of products in cellulose wadding for use sanitary or domestic and is aimed in particular at products cut into formats such as napkins or tissues.
  • Cellulose wadding also referred to as tissue paper in the field, is a lightweight and absorbent material that has been developed for the mentioned applications above. It reinforces the qualities of softness or wet strength or dry according to the particular use for which it is intended. for example for a tissue paper, we put priority softness because it comes into contact of the skin, especially the nose which is very sensitive. In the case of a towel of table, one favors the textile touch and a certain stiffness to imitate the draped textile towels. In order to be able to associate several qualities, one is brought together several plies of low cellulose wadding grammage, embossed or not, each having different properties or not.
  • the Applicant has developed a napkin or handkerchief type product consisting of several folds of cellulose wadding assembled by edge gluing along its periphery.
  • This product is covered by the patent EP 670 773.
  • a mode of this product with three or four plies is shown in FIG. machine is composed of a cylinder engraved 10 according to the pattern forming the area product device; the pattern is composed for example of distributed spikes regularly along strips arranged so as to form a frame.
  • the etching pattern corresponds to several juxtaposed products as described in patent EP 0893242.
  • the cylinder 10 cooperates with a pressure cylinder 12 of parallel axis made of rubber or another material equivalent, to emboss a first sheet of tissue paper 100 that one engage between the two.
  • FIG. 1 there is shown a sheet 100 with two plies Bunk.
  • the double sheet is driven on the cylinder 10 against etching of which it is applied by the cylinder 12.
  • Glue water-based preferably, such as polyvinyl glue
  • the gluing device shown comprises a cylinder communicating with a doctor chamber in which it takes a metered quantity of glue, and an applicator cylinder on which he deposits the glue.
  • the applicator cylinder deposits the glue on the surface elements in relief of the sheet 100, against which it is maintained in support.
  • the cylinder 10 cooperates with a second pressure cylinder 16, said cylinder matchmaker, to ensure the binding of the first sheet 100 with a second sheet (or strip) of tissue paper 110.
  • the glue still wet on the parts in relief of the first sheet or tissue paper strip 100 is transferred in part on the inside of the second sheet which is put in contact with the first sheet at the level of the marrying cylinder.
  • the pressure exerted by the marrying cylinder 16 on both strips of paper ensures the formation of a bond.
  • the second band 110 is at a or two folds.
  • tissue paper eg 60g / m 2
  • This combines good resistance in use and softness to the touch.
  • the delamination resistance in particular that of the outer ply corresponding to the second ply of the strip 110 above, is not satisfactory for the products with four plies.
  • this method of gluing does not make it easy to measure the amount of adhesive to be applied for the formation of the connection so as to bring a quantity just enough to bind the folds together without too much stiffen the tissue.
  • a second fold of paper tissue 107 moves passing around a pressure cylinder 110, and is embossed on a second embossing cylinder 112 of steel or other material equivalent.
  • a printing unit 113 (containing pigments) prints the tissue paper 107 at the second embossing cylinder 112. Both folds 101 and 107 are then assembled by passing together between the first cylinder embossing 104 and a marrying cylinder 117.
  • the assembly here is of type "Nested", that is to say that the protuberances formed on the fold 101 fit together between the protuberances formed on the fold 107.
  • the advantage of the exposed solution in this patent is to confine the pigments between the two folds and to synchronize the printing pattern with the embossing pattern.
  • the applicant has also developed a process for manufacturing products in format having a peripheral edge and a printing pattern.
  • glue is applied to a first ply on along a bonding pattern defined to form a seal along the edge of the product, a second fold of paper is applied to the first to form a partial link, the whole is directed to a printing station where it is printed on one of its surfaces and the connection is completed by a step of embossing.
  • This process allows to produce products of good quality printing with the prior binding of the folds between them but it does not allow to print folds separately.
  • the plaintiff has set itself the goal of producing products cut into handkerchief or towel-like formats of at least three folds, combining the advantages of a good combination of folds and decorative patterns that can be varied, and possibly colored differently on both sides of products.
  • the invention has the double advantage sought. It allows to associate the last fold to the others effectively by the second glue stick, while allowing, by the motive of the second cylinder, to bring a decoration extra on the back side of the final product.
  • the benefits of the process are also obtaining a product whose backside is very smooth because it is not no need to exert significant pressure by the second cylinder of pressure.
  • the product remains flexible despite a deposit of glue on a surface important product.
  • the second cylinder can be etched according to a second pattern engraving.
  • the glue is deposited on the third fold by means of an applicator roll, without prior embossing fold on the second cylinder. This solution allows to keep the third fold its initial thickness and softness.
  • the glue is deposited on the third fold by means of an applicator roll the sheet having been embossed with prior to the second cylinder.
  • This solution makes it possible to vary the patterns where some would not be printed satisfactorily without embossing.
  • it proceeds in such a way that the embossing leads to the formation of protuberances on the third low fold, especially less than 0.1mm.
  • the first cylinder is engraved according to a pattern representing the periphery of a product cut into the format.
  • At least the glue applied to the third fold is colored.
  • the pattern corresponding to the glued surface is clearly visible on the finished product.
  • the second pressure cylinder presents a hardness greater than that of the first cylinder.
  • a first sheet (or fold) 201 of cellulose wadding, single or double, is guided from a reel not shown, up to an embossing unit comprising a first engraved cylinder 210 and a first pressure cylinder 212 of rubber or other material of suitable hardness.
  • the sheet is embossed by passing through the nip between the two cylinders 210 and 212.
  • the sheet is pressed against the first cylinder 210 which it marries the relief.
  • the engraving on the first cylinder 210 forms, for example, strips arranged in square or rectangle like frames of a given width, as this is reported in the patent of Applicant EP 684132.
  • a sizing unit 214 comprising an applicator cylinder 214 'deposits glue, aqueous base of preferably such as a polyvinyl glue, on the raised parts of the sheet pressed against the cylinder 210 and whose shape.
  • the cylinder then brings the sheet 201 to an area where it is accosted by a second sheet (or fold) 202, fed from a second coil mother for example tissue paper.
  • the sheet 202 is itself accosted by a third sheet 203 of tissue paper, on its other side. This 203 sheet is also from a mother reel not shown.
  • the third sheet 203 is guided around a second cylinder 215 whose axis is coplanar with that of the first engraved cylinder 210, and having on the surface a motif-type pattern printing.
  • the second cylinder 215 preferably does not exert pressure on the first cylinder 210.
  • the third sheet 203 preferably a single fold, is glued by a second sizing unit 216 when in contact with the cylinder 215.
  • a second sizing unit 216 is glued by a second sizing unit 216 when in contact with the cylinder 215.
  • the pressure exerted by the gluing cylinder (not referenced) of the second unit sizing 216 is sufficient to transfer the glue on the parts of the third sheet 203 supported by the engraved print pattern on the second cylinder 215.
  • the glue can be advantageously colored so that the pattern is visible on the final product.
  • the third sheet 203 accosts the sheet 202 in the zone forming the gap between the first (210) and second (215) cylinders.
  • the three leaves 201, 202 and 203 thus superimposed are then subjected to the pressure of a marrying cylinder 218 downstream, and the leaves are interconnected at this level.
  • the pattern engraved on the second cylinder 215 includes preferably an area which overlaps at least partially the pattern engraved on the first engraved cylinder 210 so that the glue brought by the second unit of sizing 216 effectively participates in the connection of the third fold 203 on the second fold 202.
  • the amount of glue provided by the glue 216 then does not need to be important; it suffices that it allows the connection of the second fold 202 in the third fold 203.
  • marrying cylinder 218 no longer needs to exert significant pressure on the multiply sheet because the glue does not have to cross the thickness of a fold to ensure the binding of the folds.
  • the hardness of the marrying cylinder 218 is greater than that of the first pressure cylinder 212.
  • the first embossing cylinder can have a hardness of 60 shore while that of the pressure cylinder of 55 shore.
  • this embodiment also makes it possible to easily vary the pattern printed by the second engraved cylinder 215.
  • the technical constraints for make a so-called impression cylinder are much smaller than those required for the production of an embossing cylinder.
  • he is much freer in to the extent that it does not fulfill any technical function related in particular to softness, thickness or breaking strength of the sheet.
  • the second cylinder 215 can to be smooth. It then cooperates with a cylinder of the gluing unit 216 which presents itself an embossed pattern.
  • a pressure cylinder (not shown) can be provided for embossing upstream of the sizing of the third sheet 203.
  • the height of the protuberances formed by the pattern will be less than 0.1 mm.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Machines For Manufacturing Corrugated Board In Mechanical Paper-Making Processes (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Laminated Bodies (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Artificial Filaments (AREA)
EP05290711A 2004-04-09 2005-03-31 Verfahren zum Herstellen eines mehrlagigen Zellulosefaserprodukts Not-in-force EP1584458B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0403750A FR2868731B1 (fr) 2004-04-09 2004-04-09 Procede de fabrication d'un produit cellulosique fibreux multiplis
FR0403750 2004-04-09

Publications (2)

Publication Number Publication Date
EP1584458A1 true EP1584458A1 (de) 2005-10-12
EP1584458B1 EP1584458B1 (de) 2010-03-17

Family

ID=34896735

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05290711A Not-in-force EP1584458B1 (de) 2004-04-09 2005-03-31 Verfahren zum Herstellen eines mehrlagigen Zellulosefaserprodukts

Country Status (5)

Country Link
EP (1) EP1584458B1 (de)
AT (1) ATE461035T1 (de)
DE (1) DE602005019937D1 (de)
ES (1) ES2342301T3 (de)
FR (1) FR2868731B1 (de)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0670773A1 (de) * 1992-11-24 1995-09-13 Kaysersberg Sa Verbundwerkstoff aus zellstoffwatte.
US5736223A (en) * 1993-07-09 1998-04-07 James River Multilayer embossed papers, and device and method for producing same
WO1999045205A1 (fr) * 1998-03-06 1999-09-10 Fort James France Produit en papier absorbant comprenant trois plis et son procede de fabrication
EP1081284A1 (de) * 1999-08-31 2001-03-07 Fort James France Saugfähiges, mindestens dreilagiges Papierprodukt, und Verfahren zu seiner Herstellung
US6681826B1 (en) * 1999-06-18 2004-01-27 Fabio Perini S.P.A. Device for the production of multi-ply web material with different size and density patterns on different plies
US20040038006A1 (en) * 2000-11-22 2004-02-26 Guglielmo Biagiotti Method and device for producing paper material in the form of a multiple-layer sheet and product obtained in this way

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0670773A1 (de) * 1992-11-24 1995-09-13 Kaysersberg Sa Verbundwerkstoff aus zellstoffwatte.
US5736223A (en) * 1993-07-09 1998-04-07 James River Multilayer embossed papers, and device and method for producing same
WO1999045205A1 (fr) * 1998-03-06 1999-09-10 Fort James France Produit en papier absorbant comprenant trois plis et son procede de fabrication
US6681826B1 (en) * 1999-06-18 2004-01-27 Fabio Perini S.P.A. Device for the production of multi-ply web material with different size and density patterns on different plies
EP1081284A1 (de) * 1999-08-31 2001-03-07 Fort James France Saugfähiges, mindestens dreilagiges Papierprodukt, und Verfahren zu seiner Herstellung
US20040038006A1 (en) * 2000-11-22 2004-02-26 Guglielmo Biagiotti Method and device for producing paper material in the form of a multiple-layer sheet and product obtained in this way

Also Published As

Publication number Publication date
ATE461035T1 (de) 2010-04-15
ES2342301T3 (es) 2010-07-05
DE602005019937D1 (de) 2010-04-29
EP1584458B1 (de) 2010-03-17
FR2868731A1 (fr) 2005-10-14
FR2868731B1 (fr) 2006-06-02

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