EP1338412B1 - Procédé de fabrication de papier toilette à quatre couches, et dispositif correspondant - Google Patents

Procédé de fabrication de papier toilette à quatre couches, et dispositif correspondant Download PDF

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Publication number
EP1338412B1
EP1338412B1 EP02076223A EP02076223A EP1338412B1 EP 1338412 B1 EP1338412 B1 EP 1338412B1 EP 02076223 A EP02076223 A EP 02076223A EP 02076223 A EP02076223 A EP 02076223A EP 1338412 B1 EP1338412 B1 EP 1338412B1
Authority
EP
European Patent Office
Prior art keywords
plies
pair
roller
ply
rollers
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
EP02076223A
Other languages
German (de)
English (en)
Other versions
EP1338412A1 (fr
Inventor
Paolo Gianni
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.)
Kartogroup Srl
Original Assignee
Kartogroup SpA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kartogroup SpA filed Critical Kartogroup SpA
Publication of EP1338412A1 publication Critical patent/EP1338412A1/fr
Application granted granted Critical
Publication of EP1338412B1 publication Critical patent/EP1338412B1/fr
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
    • 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
    • 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
    • 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
    • B31F2201/0792—Printing

Definitions

  • the present invention refers to a method for realising optimised four-ply toilet paper and to a relative apparatus.
  • plies In the field of the preparation of toilet rolls, made of paper for use at home and the like, known as "logs", the paper can have a certain variety of layers, known as plies.
  • Figure 1 relative to the state of the art, shows how the paper is unwound from one or more reels (not shown), and is separated into two pairs of upper 11 and lower 12 plies. These pairs of plies 11 and 12 are then sent to a pair of upper (rubber 13 and steel 14, respectively) and lower (rubber 13' and steel 14', respectively) embossing rollers.
  • the pair of upper plies 11 is sent to a further group (rubber 15 and steel 16, respectively) where a design is realised on this pair of plies (for example a flower without small projections "points") upon which glue is immediately stuck through a roller 17.
  • the pair of upper plies 11 thus treated and the pair of lower plies 12 which has only been embossed are then sent to a coupling roller 18 which determines the final sticking together of the four plies thus obtaining the end toilet paper 19, which is for example rolled back up into a log which when cut produces rolls (not shown).
  • the main purpose of the present invention is that of realising a method and/or an arrangement which allows this technical problem to be avoided.
  • Another purpose is that of realising a roll of toilet paper, as defined above, which has a uniformity of connection between the various plies.
  • FIG 2 a schematic elevation view of a first embodiment of an apparatus for realising four-ply toilet paper according to the invention is shown.
  • Figure 2 shows how, also in this case, the paper is unwound from one or more reels (not shown), and is separated into two pairs of upper 21,22 and lower 23,24 plies.
  • the pair of upper plies 21,22 is then sent into a pair of upper rollers (rubber 25 and steel 26, respectively) after which it receives glue through a roller 27.
  • the other pair of lower plies 23, 24 is also fed to a pair of lower rollers (rubber 25' and steel 26', respectively),
  • the two pairs of upper 21,22 and lower 23,24 plies thus treated are made to pass between two steel rollers 26 and 26'.
  • the grouped pairs of plies 21,22 and 23,24 are separated into three plies 21,22,23 and into a single ply 24.
  • the three plies 21,22,23 are sent to a further group of two rollers (one of rubber 29 and the other of steel with an imprint 30) where upon these three plies a printed design (for example a flower) is realised upon which glue is immediately stuck through a roller 31.
  • the single ply 24 is fed just as are the three plies 21,22,23, equipped with glue, to a coupling roller 32 which determines the final sticking together of the four plies 21,22,23,24 thus obtaining the end toilet paper 33, which is, for example, rolled up into a log (not shown).
  • the roller 31 can feed a coloured glue onto the three plies 21,22,23 so as to have a colour effect, after the intervention of the coupling roller 32, on at least one side of the four-ply paper thus produced 33.
  • FIG. 3 shows a schematic elevation view of a second embodiment of apparatus for realising four-ply toilet paper according to the invention. Elements which are the same are indicated with the same reference numerals where possible also in this second embodiment.
  • Three plies 21,22,23 are fed above and a single ply 24 is fed below so as to then be sent into the pair of upper rollers (rubber 25 and point-to-point steel 26, respectively) after which they receive glue through a roller 27.
  • the lower ply 24 is also fed to a pair of lower rollers (rubber 25' and point-to-point steel 26', respectively).
  • the three upper plies 21,22,23 and the lower ply 24 thus treated are then made to pass between the two point-to-point steel rollers 26 and 26'.
  • the single ply 21 is sent to a further group of two rollers (one of rubber 29 and the other of steel with an imprint 30) where upon this ply a printed design (for example a flower) is realised, upon which glue is immediately stuck through a roller 31.
  • the three plies 22,23,24 are fed just as is the single ply 21, equipped with glue, to a coupling roller 32 which determines the final sticking together of the four plies 21,22,23,24 thus obtaining the end toilet paper 33, which is, for example, rolled up into a log (not shown).
  • the method of the invention is carried out obtaining a perfect product with an "imprint", perfectly stuck on every ply of which it consists.
  • a method is carried out which in a first step embosses and sticks and in a second step realises an imprint and sticks.
  • the roller 31 can feed a coloured glue onto the ply 21 so as to have a colour effect, after the intervention of the coupling roller 32, on the outer side of the four-ply paper thus produced 33.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sanitary Thin Papers (AREA)
  • Machines For Manufacturing Corrugated Board In Mechanical Paper-Making Processes (AREA)
  • Paper (AREA)
  • Rolls And Other Rotary Bodies (AREA)
  • Tyre Moulding (AREA)
  • Control And Other Processes For Unpacking Of Materials (AREA)

Claims (5)

  1. Procédé de réalisation de papier toilette à quatre couches optimisé, dans lequel des couches (21-24) sont introduites dans un groupe qui les colle entre elles afin de réaliser un rouleau, caractérisé en ce que lesdites couches (21-24) sont introduites entre deux cylindres en acier (26, 26') après qu'on ait fait passer au moins une paire de couches (21-22 ; 21-23) entre une première paire de cylindres en caoutchouc et en acier (25 et 26, respectivement) et qu'elles aient reçu de la colle par l'intermédiaire d'un cylindre (27) et on fait passer les couches restantes dans une deuxième paire de cylindres en caoutchouc et en acier (25'et 26', respectivement), en ce qu'une couche externe au moins est à nouveau séparée (21 ; 21, 22, 23) desdites quatre couches (21-24) pour l'introduire dans une paire de cylindres (29, 30) dont l'un (30) est muni d'un motif marqué avant de recevoir de la colle à partir d'un autre cylindre (31), et enfin en ce que ladite au moins une couche externe (21 ; 21, 22, 23) munie de colle et les couches restantes (22-24 ; 24) sont introduites dans un cylindre de couplage (32) qui détermine le collage final des quatre couches (21-24) entre elles afin d'obtenir ainsi le papier toilette final (33).
  2. Procédé selon la revendication 1, caractérisé en ce que trois couches (21-23) sont séparées afin de les introduire dans une paire de cylindres (29, 30) dont l'un (30) état muni dudit motif marqué.
  3. Procédé selon la revendication 1, caractérisé en ce que trois couches (21-23) sont introduites dans ladite première paire de cylindres en caoutchouc et en acier point à point (25 et 26, respectivement) et en ce qu'une couche (24) est introduite dans ladite deuxième paire de cylindres en caoutchouc et en acier point à point (25' et 26', respectivement).
  4. Appareil pour réaliser du papier toilette à quatre couches optimisé, dans lequel des couches (21-24) sont introduites dans un groupe qui les colle entre elles afin de réaliser un rouleau, caractérisé en ce qu'il est prévu deux paires de cylindres en caoutchouc et en acier (25 et 26, respectivement), dans lequel deux cylindres en acier (26, 26') de chaque paire sont disposés en face l'un de l'autre afin de recevoir lesdites couches (21-24) après que l'on ait fait passer au moins une paire de couches (21-22 ; 21-23) entre une paire de cylindres en caoutchouc et en acier (25 et 26, respectivement), un cylindre distributeur de colle (27) associé à un cylindre en acier point à point (26) et un cylindre déflecteur (28) qui rassemble lesdites couches (21-24), une paire de cylindres (29, 30), dont l'un (30) est muni d'un motif marqué et qui reçoit au moins une couche externe (21 ; 21, 22, 23) séparée à nouveau desdites quatre couches (21-24), et un cylindre distributeur de colle (31) associé audit cylindre muni d'un motif marqué (30) étant prévus en aval dudit cylindre déflecteur (28), et un cylindre de couplage (32) qui détermine le collage final des quatre couches (21-24) entre elles étant prévu en aval.
  5. Appareil selon la revendication 4, caractérisé en ce que lesdits cylindres en acier (26, 26') sont du type point à point.
EP02076223A 2002-02-22 2002-03-28 Procédé de fabrication de papier toilette à quatre couches, et dispositif correspondant Expired - Lifetime EP1338412B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITMI20020361 2002-02-22
IT2002MI000361A ITMI20020361A1 (it) 2002-02-22 2002-02-22 Metodo per la realizzazione di carta igienica a quattro veli ottimizzata e relativa apparecchiatura

Publications (2)

Publication Number Publication Date
EP1338412A1 EP1338412A1 (fr) 2003-08-27
EP1338412B1 true EP1338412B1 (fr) 2004-09-29

Family

ID=11449358

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02076223A Expired - Lifetime EP1338412B1 (fr) 2002-02-22 2002-03-28 Procédé de fabrication de papier toilette à quatre couches, et dispositif correspondant

Country Status (6)

Country Link
EP (1) EP1338412B1 (fr)
AT (1) ATE277752T1 (fr)
DE (1) DE60201410T2 (fr)
ES (1) ES2230446T3 (fr)
IT (1) ITMI20020361A1 (fr)
PT (1) PT1338412E (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITFI20040053A1 (it) 2004-03-04 2004-06-04 Perini Fabio Spa Prodotto plurivelo in carta o simili, metodo per la sua produzione e relativo impianto
DE102005055707B4 (de) * 2005-11-23 2009-06-25 Metsä Tissue Oyj Verfahren zur Herstellung von mindestens fünflagigen Flächenprodukten
CN110268116B (zh) 2017-03-13 2022-07-12 易希提卫生与保健公司 多层薄棉纸产品及其制造方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2502111A (en) * 1945-12-05 1950-03-28 Fox Paper Company Method of forming plural ply indented paper pads
DE1045783B (de) * 1956-02-08 1958-12-04 Clemens Fa Ludwig Verfahren und Vorrichtung zum Herstellen eines Polsterpapiers
GB1245280A (en) * 1967-11-09 1971-09-08 Kimberly Clark Co Two-sided cellulose towel and method of making
JP2002505207A (ja) * 1998-03-02 2002-02-19 フアビオ・ペリニ・ソシエタ・ペル・アチオーニ ウエブ加工材料を製造する方法及び装置とこの方法で作られた製品

Also Published As

Publication number Publication date
EP1338412A1 (fr) 2003-08-27
ITMI20020361A0 (it) 2002-02-22
ITMI20020361A1 (it) 2003-08-22
ATE277752T1 (de) 2004-10-15
DE60201410D1 (de) 2004-11-04
PT1338412E (pt) 2005-02-28
ES2230446T3 (es) 2005-05-01
DE60201410T2 (de) 2005-11-10

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