EP1493552A1 - Verfahren und Vorrichtung zum Prägen von Folienmaterial und gravierte Walze dafür - Google Patents

Verfahren und Vorrichtung zum Prägen von Folienmaterial und gravierte Walze dafür Download PDF

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Publication number
EP1493552A1
EP1493552A1 EP03425438A EP03425438A EP1493552A1 EP 1493552 A1 EP1493552 A1 EP 1493552A1 EP 03425438 A EP03425438 A EP 03425438A EP 03425438 A EP03425438 A EP 03425438A EP 1493552 A1 EP1493552 A1 EP 1493552A1
Authority
EP
European Patent Office
Prior art keywords
cylinder
web
sectors
glue
engraved
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
EP03425438A
Other languages
English (en)
French (fr)
Other versions
EP1493552B1 (de
Inventor
Emi Stefani
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.)
Delicarta SpA
Original Assignee
Delicarta 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
Priority to SI200330235T priority Critical patent/SI1493552T1/sl
Priority to DE60303434T priority patent/DE60303434T2/de
Priority to ES03425438T priority patent/ES2257658T3/es
Priority to DK03425438T priority patent/DK1493552T3/da
Priority to PT03425438T priority patent/PT1493552E/pt
Application filed by Delicarta SpA filed Critical Delicarta SpA
Priority to EP03425438A priority patent/EP1493552B1/de
Priority to AT03425438T priority patent/ATE316864T1/de
Publication of EP1493552A1 publication Critical patent/EP1493552A1/de
Application granted granted Critical
Publication of EP1493552B1 publication Critical patent/EP1493552B1/de
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
    • 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 an apparatus and a method for transferring decorative embossments to a sheet material, such as paper, toilet paper, kitchen paper, tissue paper and the like.
  • the invention further refers to an engraved cylinder for transferring decorative embossments to a sheet material.
  • the sheet material is generally wound on cores to obtain logs of great length which are subsequently cut transversally into rollers of smaller length ready to be packaged and placed on the market.
  • the sheet material is often subjected to processes of decoration and/or coupling or bonding so as to obtain a multiply sheet material with decorations, destined to be put on sale.
  • a special cylinder or roll is used, generally made of steel and commonly called an engraved cylinder, since it has engravings which form parts in relief on the outer side surface thereof.
  • the engraved cylinder may be solid or may have a jacket or sleeve with engravings suitable to be mounted on a sleeve carrying mandrel.
  • the sheet material is made to pass between the engraved cylinder and a plate cylinder of a gluing unit which carries coloured glue.
  • the coloured glue is deposited only on the projections of the sheet material in contact with the parts in relief of the engraved cylinder.
  • the sheet material leaving the gluing plate cylinder presents coloured decorative embossments impregnated with glue.
  • said decorated sheet material is coupled with another sheet material which adheres to the embossments impregnated with glue, so as to obtain a decorated multiply material.
  • the engraved cylinders according to the prior art have a single decorative design, that is to say, they have a plurality of parts in relief representing a single design. Consequently the gluing unit is designed to carry glue, possibly coloured, in a single colour.
  • the object of the present invention is to overcome the drawbacks of the prior art by providing an apparatus and a method for transferring decorative embossments onto a sheet material and a relative engraved cylinder which allow rollers of sheet material to be manufactured with different decorative designs, possibly coloured with different colours.
  • Another object of the present invention is to provide such an apparatus for transferring decorative embossments onto a sheet material that is versatile, cheap and simple to make.
  • the apparatus for transferring decorative embossments onto a sheet material comprises an engraved cylinder which has a plurality of parts in relief on one outer side surface thereof and an embossing cylinder having an outer side surface juxtaposed to that of the engraved cylinder so that the projecting parts of the engraved cylinder transfer the relative decorative embossments onto the sheet material which is fed between the engraved cylinder and the embossing cylinder.
  • the main characteristic of the invention is represented by the fact that the outer side surface of the engraved cylinder is divided into at least two sectors having parts in relief with different decorative designs. In this manner a web of sheet material that has a plurality of longitudinal bands or strips with different decorative designs is obtained. Said decorated web is wound on a core to form a log, which is cut transversally so as to obtain rollers with different respective bands of decorative designs. Said rollers with different decorative designs are packaged in one package without the need to interrupt the production cycle of the machine.
  • the apparatus 100 comprises a fixed frame 10.
  • a mandrel 20 which supports an engraved cylinder 2 preferably made of steel.
  • the engraved cylinder 2 can be integral with the mandrel 20 or can have a sleeve that can be fitted on the mandrel 20.
  • the engraved cylinder is divided into three sectors 21, 22, 23, each distinguished by engravings with different designs.
  • the three sectors 21, 22, 23 of the engraved cylinder 2 have engravings with different floral designs.
  • the three sectors of engravings 21, 22, 23 are of the same length. However, sectors of different lengths may be provided. Furthermore, only two sectors or a number of sectors greater than three may be provided, according to the different designs of engravings that it is desired to depict.
  • a gluing unit 11 is mounted in the fixed frame 10 of the apparatus 100.
  • the gluing unit 11 comprises a doctor blade unit 1, a screened or anilox cylinder 3 and a plate cylinder 4.
  • the anilox cylinder 3 and plate cylinder 4 rolls are supported by respective mandrels 30, 40 rotatably mounted in the sides of the machine.
  • the anilox cylinder 3 is in close contact with the doctor blade unit 1 to pick up the glue contained in the doctor blade unit.
  • the plate cylinder 4 is interposed between the anilox cylinder 3 and the engraved cylinder 2.
  • the axes of the anilox cylinder 3, plate cylinder 4 and engraved cylinder 2 are parallel to each other and disposed on the same plane.
  • the outer side surface of the plate cylinder 4 is tangent to the outer side surface of the anilox cylinder 3 and the protruding parts of the engraved cylinder 2.
  • the plate cylinder 4 has three sectors, generally rubber coated, 41, 42, 43, separated from each other by two annular spaces 44, 45.
  • the three sectors 41, 42, 43 of the plate cylinder 4 are in register with the three sectors 21, 22, 23 of the engraved cylinder 2.
  • the anilox cylinder 3 also has three screened sectors, 31, 32, 33, separated from each other by annular spaces 34, 35.
  • the three sectors 31, 32, 33 of the anilox cylinder 3 are in register with the three sectors 41, 42, 43 of the plate cylinder 4.
  • the doctor blade unit 1 has a reservoir for containing glue. Said glue, by means of a diaphragm pump, is transferred from the reservoir into the doctor blade body which distributes it on the anilox cylinder 3. The excess glue present in the doctor blade body is discharged by overflow in the top part of the doctor blade body and thence is channelled by means of an overflow pipe which returns it by free fall into the reservoir alongside the machine. In the event of use of a single type of neutral glue said doctor blade unit 1 is not modified.
  • the doctor blade unit 1 is suitably modified, as shown in Figure 5.
  • three reservoirs 101, 102 and 103 are formed in the glue containing reservoir of the doctor blade unit 1, separated from each other by two removable partitions 104 and 105.
  • Three glues of different colours can be placed in the three reservoirs 101, 102, 103.
  • a respective doctor blade 111, 112, 113 is connected to each reservoir 101, 102, 103. Therefore, three diaphragm pumps will be provided to convey the glues from the reservoirs to the respective doctor blades and three overflow pipes for overflow of the glues from the doctor blades to the respective reservoirs.
  • the three doctor blades 111, 112, 113 are separated from each other by two spacers 114 and 115.
  • the three sectors 31, 32, 33 of the anilox cylinder 3 pick up the glue from the three reservoirs 101, 102, 103, respectively, and the doctor blades 111, 112, 113 act on the surfaces of the three sectors 31, 32, 33, respectively, of the anilox cylinder 3 to remove the excess glue.
  • the two spacers 114 and 115 of the doctor blade unit 1 act on the dividing spaces 34 and 35 of the anilox cylinder, preventing the glue spread on one sector from mixing with the glue spread on another sector of the anilox cylinder 3.
  • embossing cylinder 5 has an outer surface of smooth rubber and the pressure cylinder 5 has an outer surface of hard smooth rubber.
  • the axes of the engraved cylinder 2, of the embossing cylinder 5 and of the pressure cylinder 6 are parallel to each other.
  • the parts of the engraved cylinder 2 in relief are substantially interfering with the side surface of the embossing cylinder 5 and substantially tangent to the side surface of the pressure cylinder 6.
  • An upper web A and a lower web B are fed towards the engraved cylinder 2.
  • the webs A and B can be single ply or multiply, smooth or embossed. In any case, the operations of coupling between layers and embossing are performed upstream of the engraved cylinder 2.
  • the upper web A passes between the upper embossing cylinder 5 and the engraved cylinder 2.
  • the engravings in relief of the three sectors 21, 22, 23 of the engraved cylinder 2 transfer the relative embossments onto the web A through the action of the pressure of the embossing cylinder 5.
  • the web A leaving the embossing cylinder 5 will have decorative embossments in relief, divided into three different designs on three longitudinal bands or strips thereof.
  • the web A following the perimeter of the engraved cylinder 2, passes between the engraved cylinder 2 and the plate cylinder 4.
  • the plate cylinder 4 transfers the glue onto the protruding embossments of the web A.
  • the three sectors 31, 32, 33 of the anilox cylinder will pick up the three respective glues of different colours and will transfer them to the three sectors 41, 42, 43, respectively, of the plate cylinder.
  • the plate cylinder 4 will transfer three glues of different colours onto the protruding embossments of the three respective bands of different designs of the web A.
  • the glue is absorbed by the embossments of the web, so that the colour of the glue is also visible on the outer surface of the web A, that is to say on the surface opposite that in which the glue has been deposited.
  • the glue on the inner surface of the web A continues to be moist and ready to stick.
  • the web A continues to follow the periphery of the engraved cylinder 2, and passes between the engraved cylinder 2 and the lower pressure cylinder 6.
  • the lower web B also is fed between the engraved cylinder 2 and the lower pressure cylinder 6 beneath the upper web A.
  • the upper web A is coupled with the lower web B and the glue present on the projecting embossments of the upper web A sticks to the lower web B.
  • the coupled web denoted by C
  • a winding unit per se known and therefore not illustrated in the figures, which is responsible for winding the web C on a core so as to form a log.
  • the coupling stage can be omitted.
  • the lower web B, the lower pressure cylinder 6 and the gluing unit 11 will not be provided.
  • the gluing unit 11 can be replaced with a colouring unit.
  • three different colours will be placed in the three reservoirs 101, 102 ,103 of the colouring unit.
  • a log formed only by the web A which has three longitudinal bands with raised embossments of different formats and possibly of different colours will be obtained.
  • the formed log is fed towards a saw or cutting machine, per se known, which is responsible for transverse cutting of the log, so as to obtain a plurality of rollers of shorter length, wherein the various rolls present webs with decorative embossments of the three different designs and colours.
  • the rollers are then packaged randomly, so that a package contains rollers of the three different types. In this manner packages are obtained with rollers with decorative embossments of different designs and in different colours, working continuously without the need to interrupt the production cycle of the machine and with a single transfer unit for the decorations.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Coating Apparatus (AREA)
  • Making Paper Articles (AREA)
  • Folding Of Thin Sheet-Like Materials, Special Discharging Devices, And Others (AREA)
EP03425438A 2003-07-01 2003-07-01 Verfahren und Vorrichtung zum Prägen von Folienmaterial Expired - Lifetime EP1493552B1 (de)

Priority Applications (7)

Application Number Priority Date Filing Date Title
DE60303434T DE60303434T2 (de) 2003-07-01 2003-07-01 Verfahren und Vorrichtung zum Prägen von Folienmaterial
ES03425438T ES2257658T3 (es) 2003-07-01 2003-07-01 Aparato y procedimiento para estampar hojas.
DK03425438T DK1493552T3 (da) 2003-07-01 2003-07-01 Apparat og fremgangsmåde til prægning af et arkmateriale
PT03425438T PT1493552E (pt) 2003-07-01 2003-07-01 Equipamento e metodo para gravacao em relevo de material em folha
SI200330235T SI1493552T1 (sl) 2003-07-01 2003-07-01 Naprava in postopek za vtiskovanje listnatega materiala
EP03425438A EP1493552B1 (de) 2003-07-01 2003-07-01 Verfahren und Vorrichtung zum Prägen von Folienmaterial
AT03425438T ATE316864T1 (de) 2003-07-01 2003-07-01 Verfahren und vorrichtung zum prägen von folienmaterial

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP03425438A EP1493552B1 (de) 2003-07-01 2003-07-01 Verfahren und Vorrichtung zum Prägen von Folienmaterial

Publications (2)

Publication Number Publication Date
EP1493552A1 true EP1493552A1 (de) 2005-01-05
EP1493552B1 EP1493552B1 (de) 2006-02-01

Family

ID=33427298

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03425438A Expired - Lifetime EP1493552B1 (de) 2003-07-01 2003-07-01 Verfahren und Vorrichtung zum Prägen von Folienmaterial

Country Status (7)

Country Link
EP (1) EP1493552B1 (de)
AT (1) ATE316864T1 (de)
DE (1) DE60303434T2 (de)
DK (1) DK1493552T3 (de)
ES (1) ES2257658T3 (de)
PT (1) PT1493552E (de)
SI (1) SI1493552T1 (de)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1897682A1 (de) * 2006-09-06 2008-03-12 Delicarta SPA Verfahren und Vorrichtung zur Herstellung eines geprägten und gefärbten Bahnmaterials
FR2909032A1 (fr) 2006-11-27 2008-05-30 Georgia Pacific France Soc En Chambre a racles a au moins deux compartiments contenant des fluides differents.
WO2009113115A1 (en) * 2008-03-11 2009-09-17 Fabio Perini S.P.A. Embossed multi-ply paper material and embossing unit for the production thereof
JP2016120623A (ja) * 2014-12-24 2016-07-07 大王製紙株式会社 エッジエンボスリング
CN107310204A (zh) * 2017-01-19 2017-11-03 蚌埠市振华包装机械有限责任公司 一种包装纸板压痕机压痕装置

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4543142A (en) * 1984-04-16 1985-09-24 Kimberly-Clark Corporation Process for making nested paper towels
US5233921A (en) * 1989-11-18 1993-08-10 Man Roland Druckmaschinen Ag Printing machine system and inking method
EP0836928A1 (de) * 1996-10-16 1998-04-22 James River Corporation Of Virginia Prägevorrichtung mit einer Umhüllung versehenen Prägerolle
US5950533A (en) * 1997-11-10 1999-09-14 Gencorp Inc. Method and apparatus for treating embossed webs to provide a shadow effect and embossed web with a shadow effect
WO2000078533A1 (en) * 1999-06-18 2000-12-28 Fabio Perini S.P.A. Embossing method and device for the production of multi-ply web material, and production made in this way
GB2380447A (en) * 2001-10-02 2003-04-09 Sca Hygiene Prod Gmbh Device and method for applying a spot embossing pattern to a web of multi-ply tissue paper

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4543142A (en) * 1984-04-16 1985-09-24 Kimberly-Clark Corporation Process for making nested paper towels
US5233921A (en) * 1989-11-18 1993-08-10 Man Roland Druckmaschinen Ag Printing machine system and inking method
EP0836928A1 (de) * 1996-10-16 1998-04-22 James River Corporation Of Virginia Prägevorrichtung mit einer Umhüllung versehenen Prägerolle
US5950533A (en) * 1997-11-10 1999-09-14 Gencorp Inc. Method and apparatus for treating embossed webs to provide a shadow effect and embossed web with a shadow effect
WO2000078533A1 (en) * 1999-06-18 2000-12-28 Fabio Perini S.P.A. Embossing method and device for the production of multi-ply web material, and production made in this way
GB2380447A (en) * 2001-10-02 2003-04-09 Sca Hygiene Prod Gmbh Device and method for applying a spot embossing pattern to a web of multi-ply tissue paper

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1897682A1 (de) * 2006-09-06 2008-03-12 Delicarta SPA Verfahren und Vorrichtung zur Herstellung eines geprägten und gefärbten Bahnmaterials
FR2909032A1 (fr) 2006-11-27 2008-05-30 Georgia Pacific France Soc En Chambre a racles a au moins deux compartiments contenant des fluides differents.
EP1927476A1 (de) 2006-11-27 2008-06-04 Georgia-Pacific France Rakelkammer mit mindestens zwei Kammern, die unterschiedliche Flüssigkeiten enthalten
WO2009113115A1 (en) * 2008-03-11 2009-09-17 Fabio Perini S.P.A. Embossed multi-ply paper material and embossing unit for the production thereof
JP2016120623A (ja) * 2014-12-24 2016-07-07 大王製紙株式会社 エッジエンボスリング
CN107310204A (zh) * 2017-01-19 2017-11-03 蚌埠市振华包装机械有限责任公司 一种包装纸板压痕机压痕装置

Also Published As

Publication number Publication date
DK1493552T3 (da) 2006-06-06
ATE316864T1 (de) 2006-02-15
EP1493552B1 (de) 2006-02-01
ES2257658T3 (es) 2006-08-01
SI1493552T1 (sl) 2006-08-31
PT1493552E (pt) 2006-06-30
DE60303434T2 (de) 2006-10-26
DE60303434D1 (de) 2006-04-13

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