EP1213136A2 - Anlage zur Herstellung von einem mehrschichtigen Material, und so erhaltenes Material - Google Patents

Anlage zur Herstellung von einem mehrschichtigen Material, und so erhaltenes Material Download PDF

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Publication number
EP1213136A2
EP1213136A2 EP01128580A EP01128580A EP1213136A2 EP 1213136 A2 EP1213136 A2 EP 1213136A2 EP 01128580 A EP01128580 A EP 01128580A EP 01128580 A EP01128580 A EP 01128580A EP 1213136 A2 EP1213136 A2 EP 1213136A2
Authority
EP
European Patent Office
Prior art keywords
strip
paper
station
faces
structured
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.)
Withdrawn
Application number
EP01128580A
Other languages
English (en)
French (fr)
Inventor
Werner Gilgen
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.)
Asitrade AG
Original Assignee
Asitrade AG
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 Asitrade AG filed Critical Asitrade AG
Publication of EP1213136A2 publication Critical patent/EP1213136A2/de
Withdrawn legal-status Critical Current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
    • B31F5/00—Attaching together sheets, strips or webs; Reinforcing edges
    • B31F5/04—Attaching together sheets, strips or webs; Reinforcing edges by exclusive use of adhesives
    • 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
    • B31F1/00—Mechanical deformation without removing material, e.g. in combination with laminating
    • B31F1/20—Corrugating; Corrugating combined with laminating to other layers
    • B31F1/24—Making webs in which the channel of each corrugation is transverse to the web feed
    • B31F1/26—Making webs in which the channel of each corrugation is transverse to the web feed by interengaging toothed cylinders cylinder constructions
    • B31F1/28—Making webs in which the channel of each corrugation is transverse to the web feed by interengaging toothed cylinders cylinder constructions combined with uniting the corrugated webs to flat webs ; Making double-faced corrugated cardboard
    • 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
    • B31F1/20—Corrugating; Corrugating combined with laminating to other layers
    • B31F1/24—Making webs in which the channel of each corrugation is transverse to the web feed
    • B31F1/26—Making webs in which the channel of each corrugation is transverse to the web feed by interengaging toothed cylinders cylinder constructions
    • B31F1/28—Making webs in which the channel of each corrugation is transverse to the web feed by interengaging toothed cylinders cylinder constructions combined with uniting the corrugated webs to flat webs ; Making double-faced corrugated cardboard
    • B31F1/2845—Details, e.g. provisions for drying, moistening, pressing
    • B31F1/2854—Means for keeping the sheet in contact with one of the corrugating rollers after corrugating, but before applying the facer sheet, e.g. by air pressure, suction or pressing fingers
    • 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
    • B31F2201/0707—Embossing by tools working continuously
    • B31F2201/0715—The tools being rollers
    • B31F2201/0723—Characteristics of the rollers
    • B31F2201/0733—Pattern
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F2201/00—Mechanical deformation of paper or cardboard without removing material
    • B31F2201/07—Embossing
    • B31F2201/0707—Embossing by tools working continuously
    • B31F2201/0715—The tools being rollers
    • B31F2201/0741—Roller cooperating with a non-even counter roller
    • B31F2201/0743—Roller cooperating with a non-even counter roller having a matching profile
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F2201/00—Mechanical deformation of paper or cardboard without removing material
    • B31F2201/07—Embossing
    • B31F2201/0758—Characteristics of the embossed product
    • B31F2201/0761—Multi-layered
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F2201/00—Mechanical deformation of paper or cardboard without removing material
    • B31F2201/07—Embossing
    • B31F2201/0784—Auxiliary operations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F2201/00—Mechanical deformation of paper or cardboard without removing material
    • B31F2201/07—Embossing
    • B31F2201/0784—Auxiliary operations
    • B31F2201/0787—Applying adhesive

Definitions

  • the present invention relates to an installation for the manufacturing a multilayer material and the material thus obtained.
  • Multilayer materials are found in many different fields and in particular in the field of packaging.
  • One of the Commonly used material is corrugated cardboard.
  • the cardboard corrugated is made by covering a sheet, previously corrugated in passing between two fluted cylinders, by two cover sheets which are glued on the crests of the undulations of the central leaf.
  • corrugated board finds its main use as a protective packaging especially resistant while being associated with environmental respect linked to its recycling relatively easy.
  • corrugated cardboard low Another use of relatively thick corrugated cardboard low is found in packaging that looks more attractive to some products. In this case, you should print this corrugated cardboard. This operation printing is made possible due to advances in flexographic printing techniques which today make it possible to obtain quality prints in multiple colors.
  • printing a corrugated cardboard may present a not acceptable aspect, that is to say that this impression will present lines corresponding to each crest of the undulations since during the operation corrugated cardboard will be slightly crushed. Different resistance between the top of the ridges and the part between two consecutive ridges is the main cause of the appearance of these lines during the printing operation.
  • Corrugated cardboard is produced using a complex machine such as a corrugator which includes a station feeding paper, in the form of reels, for a training station corrugations, a paper supply station, in the form of reels, for a first cover sheet, a paper feed station, in the form of coils, for a possible second cover sheet, a gluing device for depositing glue on the crests of the corrugations, a pressing station for gluing the second cover sheet on the crests of the corrugated sheet, longitudinal cutting devices and sheet of corrugated cardboard and a receiving station corrugated sheets cut to the desired format.
  • a complex machine such as a corrugator which includes a station feeding paper, in the form of reels, for a training station corrugations, a paper supply station, in the form of reels, for a first cover sheet, a paper feed station, in the form of coils, for a possible second cover sheet, a gluing device for depositing glue on the crests of the corrugations, a
  • corrugated cardboard In addition to its poor printability, corrugated cardboard has poor mechanical strength in the direction which is parallel to ripples and it is very often "tiled"; that is to say that it is bulged and therefore difficult to process whether in printing machines or in cutting machines.
  • the creation of ripples requires a quantity important paper and gluing the cover sheets on the ridges of ripples also requires a significant contribution of glue.
  • the object of the present invention is to remedy, at least in part, to the disadvantages presented by a multilayer material of the type such as that described above.
  • the invention relates to an installation for the manufacture of a multilayer material as defined by claim 1 and the material thus obtained as defined by claims 6 to 8.
  • the installation allows in particular a large flexibility of use and adaptation to the manufacturing of a material multilayer which allows the reduction of its unit weight while presenting rigidity in at least two directions as well as excellent printability.
  • FIG. 1 is a schematic view of an installation for the manufacture of a first multilayer material 13.
  • the stations paper feeders which are in themselves well known to the manufacturers of machines.
  • These paper feeding stations generally include a reel holder equipped with a reel drive and braking device of paper associated with a device for connecting a new reel to the balance of a coil at the end of the unwinding so that the continuity of the supply paper is ensured for the following parts of the installation.
  • FIG. 1 The installation of FIG. 1 comprises a training station 1 of a structured strip 2.
  • This training station 1 is constituted by a cassette 3 composed of two lateral frames 4, 5 between which are mounted two upper 6 and lower 7 cylindrical tools intended to deform, essentially on one of its faces, a strip of paper 8 coming from a first paper feed station (not shown).
  • the cylindrical tool lower 7 is preferably connected to a vacuum power source so that the structured strip 2, deformed on one of its faces in point between the upper cylindrical tool 6 and the lower cylindrical tool 7, is held, by suction, against a part of the circumference thereof.
  • An example of a tool allowing the deformation of the structured strip on one of its faces will be described in relation to Figure 9.
  • the roughness of the structured band 2 located in the area of the suction circumference of the cylindrical tool 7 are provided with glue by means of a gluing unit 9 comprising a glue roller 10 dipping in a tank 11.
  • the quantity glue applied to the roughness of the structured strip 2 is checked at using a wiping roller 12.
  • a second strip of paper 14 from a second paper feed station (not shown), similar to the first power station mentioned above, is applied to the top of asperities glued to the structured strip 2 using a pressure cylinder 15.
  • the strip of the first multilayer material 13 then passes around a return cylinder 16 before being brought to a long cutting station 17.
  • This longitudinal cutting station 17, known per se comprises two frames side 18 and 19 between which are mounted circular cutting tools 20 and 21.
  • the cutting of the banks of the strip of first multilayer material 13 is also produced in this station.
  • the circular cutting tool 21 is generally made up of a counter tool with adjustable sleeves, in the width of the longitudinal cutting station 17, said sleeves having grooves circular which can be placed opposite the circular blades of the tools circular cutters 20. Note that in some long cutters, the circular cutting tool 21 can be in the form of a cylinder anvil coated, for example, with a material such as polyurethane.
  • the strip of first multilayer material 13 is then introduced into a cross cutter 22 comprising two lateral frames 23 and 24.
  • This cross cutter 22 is also well known to manufacturers of machines. It consists, among other things, of an upper rotary tool 25 provided a knife, most often helical in shape, and an anvil cylinder lower 26 can either be steel or be covered with polyurethane. In known manner, the upper rotary cutting tool is driven so as to ability to make cuts of different lengths from prime strip multilayer material 13, depending on the different formats desired. To the output from the longitudinal cutting station 22, the sheets 27 of first material multilayer 13 are transported by a belt conveyor 28 to a stacking station 29, represented schematically here by a device comprising a stack lowering member 30 capable of forming a stack 31.
  • FIG 2 is a schematic view of an installation for manufacture of a second multilayer material 40.
  • the installation shown on this figure differs from that shown in figure 1 only by the addition an insertion station 32 of a cover strip 33 on the material multilayer 35 to constitute the second multilayer material 40.
  • an insertion station 32 of a cover strip 33 on the material multilayer 35 to constitute the second multilayer material 40 By therefore, the organs common to the two embodiments will bear the same reference figures.
  • these paper feed stations include usually a spool holder equipped with a drive and braking of paper reels associated with a device for connecting a new reel in the balance of a reel at the end of the unwinding so that the continuity of the paper supply is ensured for the following organs of installation.
  • the installation in FIG. 2 also includes a station for formation 1 of a structured band on its two faces 34.
  • This station formation 1 consists of a cassette 3 made up of two lateral frames 4, 5 between which are mounted two upper 6 and lower cylindrical tools 7 intended to deform, on its two faces, a strip of paper 8 originating a first paper feeding station (not shown).
  • the tool cylindrical lower 7 is preferably connected to a power source empty so that the structured strip 34 deformed at the point between the upper cylindrical tool 6 and the lower cylindrical tool 7 is held, by suction, against a part of the circumference thereof.
  • An example of a tool allowing the deformation of the structured strip on its two faces will be described in relation to Figure 10.
  • the roughness of one of the faces of the structured strip 34 lying in the circumference area suction of the cylindrical tool 7 are provided with glue by means of a unit size 9 comprising a size roller 10 dipping in a tank 11.
  • the amount of glue applied to the rough edges of one of the faces of the structured strip 34 is controlled using a wiping roller 12.
  • This unit size 9 can either use a starch-based glue or a vinyl glue.
  • a second strip of paper 14 from a second paper feed station (not shown), similar to the first mentioned feeding station above, is applied to the top of the glued edges of one of the faces of the structured strip 34 using a pressure cylinder 15.
  • the strip of the multilayer material 35 then passes around a deflection cylinder 16 before to be brought into an insertion station 32 of a cover strip 33 coming from a third paper feed station (not shown), similar to the first and second power stations mentioned above.
  • the asperities on the other side of the structured strip 34 are glued by means of a gluing unit 36 of construction similar to the unit size 9 described in connection with Figure 1.
  • This size unit can also use either a starch-based glue or a vinyl glue.
  • the glue roller 38 of this glue unit 36 deposits glue on the asperities on the other side of the structured strip 34 to the right of the cylinder reference 16.
  • the rough edges glued on the other side of the strip of material multilayer 35 are then covered by the cover strip 33 at means of the lamination cylinder 39 to obtain the second material multilayer 40.
  • This multilayer material 40 is then conducted on a pressing device 41 consisting of a table 42 and a pressing member comprising a series of rollers 43. It should be noted that some of these pressure devices 41 may include a conveyor belt instead and place for a table 42.
  • the strip of the second multilayer material 40 is then brought in a longitudinal cutting station 17 similar to that described in relation with FIG. 1.
  • this longitudinal cutting station 17, known per se includes two side frames 18 and 19 between which are mounted tools circular cutters 20 and 21.
  • Circular cutting tools 20, also known, consist of circular blades arranged in an adjustable manner in the width of the longitudinal cutting station 17, so that it is possible to obtain strips of first multilayer material 13 of widths different. Cutting the edges of the strip of second multilayer material 40 is also carried out in this station.
  • the circular cutting tool 21 is quant usually made up of a counter tool with sleeves adjustable, arranged in the width of the longitudinal cutting station 17, said sleeves with circular grooves which can be placed facing each other circular blades of circular cutting tools 20.
  • the circular cutting tool 21 can be in the form of a coated anvil cylinder, for example a material such as polyurethane.
  • the strip of second multilayer material 40 is then introduced into a cross cutter 22 comprising two side frames 23 and 24.
  • This cross cutter 22 is also good known to machine builders. Among other things, it consists of a tool upper rotary 25 fitted with a knife, most often of helical shape, and of a lower anvil cylinder 26 which can either be made of steel or either be covered with polyurethane. In known manner, the rotary cutting tool upper is driven so that it can make length cuts different from the strip of second multilayer material 40, depending on of the different formats desired.
  • the sheets 44 of second multilayer material 40 are transported by a belt conveyor 28 to a stacking station 29, shown schematically here by a device comprising a lowering member stack 30 capable of forming a stack 31.
  • a stacking station 29 shown schematically here by a device comprising a lowering member stack 30 capable of forming a stack 31.
  • the stacking stations as well known to machine builders and therefore will not be described in detail in this talk.
  • the strip of paper 8 in front being deformed will be humidified accordingly in the same way as that is done in corrugated cardboard manufacturing machines.
  • FIG. 3 is a perspective view of a material 2 structured on one of its faces.
  • the structure shown here is formed by cells 45 obtained, for example, using the tool which will be described later in relationship to Figure 9.
  • Figure 4 is a perspective view of a structured material 34 on both sides.
  • the structure shown here is formed by cells 46 and 47 obtained, for example, using the tool which will be described later in relationship to Figure 10.
  • Figure 5 is an enlarged sectional view of the material 2 of the FIG. 3 structured on only one of its faces, face 48.
  • Figure 6 is an enlarged sectional view of the material 34 of the Figure 4 structured on its two faces 48 and 49.
  • Figures 7a to 7c show the aspects that can be given to the structure of materials 2 and 34.
  • Figure 8 is a view showing a box 50 made with the multilayer material 13 obtained with the installation of Figure 1.
  • This box 50 is the very example of using a multilayer material 13 for a purpose aesthetic aimed at promoting a product. Use for purposes advertising is also possible. Such results cannot the evidence not be obtained using a multilayer material of the kind corrugated cardboard.
  • FIG 9 is a partial sectional view of a tool 51 used for make a structured material 2 on one of its faces 48.
  • This tool 51 is composed of an upper honeycomb cylinder 52 and a lower honeycomb cylinder 53.
  • the cells of the two cylinders interpenetrate to deform the strip of paper 8 so as to obtain a strip of structured material 2 on only one of its faces 48.
  • the lower honeycomb cylinder 53 is arranged so as to ensure maintaining the strip of textured material 2 at the bottom of the cells of a portion of its circumference, this using the channels 54 connecting each cell to the hollowed-out central part of cylinder 53 itself connected to a vacuum source (not shown).
  • a vacuum source not shown
  • Figure 10 is a sectional view of a tool 55 used to make a structured material 34 on its two faces 48 and 49.
  • This tool 55 is composed an upper honeycomb cylinder 56 and a lower honeycomb cylinder 57.
  • the cells of the two cylinders interpenetrate to deform the strip of paper 8 so as to obtain a strip of structured material 34 on its two faces 48 and 49.
  • the lower honeycomb cylinder 57 is arranged so as to ensure the holding the strip of textured material 34 at the bottom of the cells of a part of its circumference, this using the channels 58 connecting each cell to the hollowed-out central part of cylinder 57 itself connected to a vacuum source (not shown).
  • the installation for the manufacture of a multilayer material described above allows, among other things, to obtain, in the case of the choice of use a structured band on both sides with a particular decorative pattern, like those shown by way of example in FIGS. 7a to 7c, a material watermarked multilayer, which opens the choice for a wide variety of uses of this material whether for decorative or other purposes.
EP01128580A 2000-12-07 2001-11-30 Anlage zur Herstellung von einem mehrschichtigen Material, und so erhaltenes Material Withdrawn EP1213136A2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH23892000 2000-12-07
CH02389/00A CH694183A5 (fr) 2000-12-07 2000-12-07 Installation pour la fabrication d'un mat'riau multicouche et mat'riau ainsi obtenu.

Publications (1)

Publication Number Publication Date
EP1213136A2 true EP1213136A2 (de) 2002-06-12

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP01128580A Withdrawn EP1213136A2 (de) 2000-12-07 2001-11-30 Anlage zur Herstellung von einem mehrschichtigen Material, und so erhaltenes Material

Country Status (3)

Country Link
US (1) US20020069993A1 (de)
EP (1) EP1213136A2 (de)
CH (1) CH694183A5 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003004258A1 (en) 2001-07-05 2003-01-16 M-Real Oyj Method for producing cardboard and cardboard product

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Publication number Priority date Publication date Assignee Title
US7896999B2 (en) 2006-06-28 2011-03-01 Carl R. Marschke Method of forming open core web elements
US7459049B2 (en) * 2006-06-28 2008-12-02 Marschke Carl R Method and apparatus for manufacturing open core elements from web material
JP2010228111A (ja) * 2009-03-25 2010-10-14 Aiki Kogyo Kk エンボス加工したラミネートとそれを用いた封筒
USD762992S1 (en) * 2014-10-20 2016-08-09 The Kirby Company / Scott Fetzer Company Textile with pattern
USD821103S1 (en) * 2016-02-24 2018-06-26 Avintiv Specialty Materials Inc. Nonwoven fabric
CN111559122A (zh) * 2020-05-16 2020-08-21 商兆惠 一种新型瓦楞纸压印涂胶装置及瓦楞纸压印涂胶方法
CN111546704A (zh) * 2020-05-16 2020-08-18 商兆惠 一种新型瓦楞纸加工装置及新型瓦楞纸加工工艺
IT202000026768A1 (it) * 2020-11-10 2022-05-10 Koerber Tissue S P A Goffratore-laminatore e relativo metodo di goffratura
CN114228263A (zh) * 2021-12-17 2022-03-25 重庆英耐尔科技有限公司 一种纸瓦生产线系统

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JPS60143926A (ja) * 1983-12-30 1985-07-30 Nippon Petrochem Co Ltd 凹凸シートの成形装置
US5147480A (en) * 1990-05-16 1992-09-15 Lin Pac, Inc. Method of applying a finishing layer in a corrugator line
US6006806A (en) * 1998-01-26 1999-12-28 Marquip, Inc. Laminated corrugating roll

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003004258A1 (en) 2001-07-05 2003-01-16 M-Real Oyj Method for producing cardboard and cardboard product

Also Published As

Publication number Publication date
CH694183A5 (fr) 2004-08-31
US20020069993A1 (en) 2002-06-13

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