EP1397587B1 - Verfahren und vorrichtung zur herstellung einer mit einer dreidimensionalen oberflächenstruktur versehen faserstoffbahn - Google Patents

Verfahren und vorrichtung zur herstellung einer mit einer dreidimensionalen oberflächenstruktur versehen faserstoffbahn Download PDF

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Publication number
EP1397587B1
EP1397587B1 EP02758205A EP02758205A EP1397587B1 EP 1397587 B1 EP1397587 B1 EP 1397587B1 EP 02758205 A EP02758205 A EP 02758205A EP 02758205 A EP02758205 A EP 02758205A EP 1397587 B1 EP1397587 B1 EP 1397587B1
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EP
European Patent Office
Prior art keywords
embossing
fibrous web
belt
suction
embossing belt
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
EP02758205A
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German (de)
English (en)
French (fr)
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EP1397587A1 (de
Inventor
Thomas Thoröe SCHERB
Harald Dos Pássaros SCHMIDT-HEBBEL
Jeffrey Herman
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Voith Patent GmbH
Original Assignee
Voith Paper Patent GmbH
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Filing date
Publication date
Application filed by Voith Paper Patent GmbH filed Critical Voith Paper Patent GmbH
Priority to EP05109471A priority Critical patent/EP1626122B1/de
Priority to EP05109470A priority patent/EP1626121A1/de
Publication of EP1397587A1 publication Critical patent/EP1397587A1/de
Application granted granted Critical
Publication of EP1397587B1 publication Critical patent/EP1397587B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F3/00—Press section of machines for making continuous webs of paper
    • D21F3/02—Wet presses
    • D21F3/0209—Wet presses with extended press nip
    • D21F3/0254—Cluster presses, i.e. presses comprising a press chamber defined by at least three rollers
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F11/00—Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines
    • D21F11/006—Making patterned paper

Definitions

  • the invention relates to a method for producing a fibrous web provided with a three-dimensional surface structure, in particular tissue or hygiene web, according to the preamble of claim 1.
  • TAD Through Air Drying
  • the aim of the invention is to provide an improved method of the type mentioned, with which, in particular, even without the use of a larger TAD-drying device in an economical and correspondingly cost-effective manner, a high quality of the final product can be achieved.
  • a corresponding quality can be achieved.
  • this object is achieved in that the fibrous web is pressed at a dry content ⁇ 35% by means of the first pressure field on the embossing belt, e.g. sucked, and thereby is pre-embossed and that at least three in the web running direction successively arranged fürström personalityen be used, in the region of which is located on the embossing belt fibrous web a respective flow, in particular air flow, exposed, wherein the related to the fibrous web flow-through at the various flow-through at least partially are opposite each other.
  • WO 93/00475 A already discloses a method for producing a fibrous web provided with a three-dimensional surface structure in which the fibrous web is pressed onto an embossing belt by means of a first pressure field and thereby pre-embossed and subsequently for further dewatering and drying by means of a further pressure field pressed once more on the embossing belt to fix the three-dimensional surface structure and strength.
  • only one of the drying serving flow device is used. From WO 00/19014 A results in a comparable method. All flow devices are rectified.
  • the embossing is carried out in the present case only by a nip formed between two rolls.
  • embossing fabric As an embossing or structured band ("imprinting fabric”, “structured fabric”), preferably an embossing screen or an embossing membrane is used.
  • the fibrous web is pre-stamped after the forming area.
  • the fibrous web is formed on the embossing belt used for pre-embossing.
  • the fibrous web can also be transferred to the embossing belt used for pre-embossing.
  • all flow-through devices can each comprise a suction device.
  • at least one of the throughflow devices comprises a suction device and at least one air press.
  • a first flow device, a suction device, a second throughflow device an air press and a third throughflow device again comprise a suction device.
  • a respective suction device may in particular each comprise a suction roll, a suction box and / or the like.
  • At least one suction device is used, in which the pressure difference .DELTA.p is in a range from about 0.2 to about 0.4 bar.
  • the temperature is preferably ⁇ 220 ° C, especially ⁇ 180 ° C, and preferably ⁇ 150 ° C.
  • the air flow velocity through the fibrous web is preferably less than or equal to 15 m / s, in particular for very fine fabrics. As a result, this means a significantly lower energy requirement and a significantly lower investment outlay than in the conventional TAD method.
  • the residence time of the fibrous web in the suction region is advantageously ⁇ 0.5 s, in particular ⁇ 0.4 s and preferably s 0.3 s.
  • At least the first pressure field is generated by means of a arranged on the side facing away from the fibrous web side of the embossing belt Saugelements to suck the fibrous web in the surface structure of the embossing belt.
  • a so-called wet vacuum can be used as a suction element.
  • the fibrous web is pressed gently in the further pressure field, ie, preferably over a length which is extended in the web running direction.
  • the further pressure field is preferably generated by means of a press nip.
  • this press nip can be generated for example between a drying cylinder and a counter element, wherein the guided through the press nip fibrous web is in contact with the surface of the drying cylinder and rests with its other side on the embossing belt.
  • a drying cylinder in particular a so-called Yankee cylinder can be used.
  • a shoe press unit which comprises a flexible band guided over a press shoe in the region of the press nip.
  • a shoe press roll provided with a flexible roll shell is preferably used as the shoe press unit.
  • soft band or fine-pored covering with capillary effect in particular felt, through which the further pressure field generating press nip out.
  • the soft felt may be, for example, a felt with a foamed layer, which, as will be explained in more detail below, contributes to the dewatering of the fibrous web due to its capillary action.
  • a preferred practical embodiment of the method according to the invention is characterized in that the pre-embossed fibrous web is dried on the drying cylinder or Yankee cylinder, the fibrous web is creped and / or the fibrous web is subsequently wound up.
  • the dry content at which the fibrous web is pre-stamped, and / or the dry content at which the three-dimensional surface structure is fixed in each case ⁇ 35%, in particular ⁇ 30% and preferably ⁇ 25%.
  • the water retention capacity and the volume is increased sustainably, which means that even with the use of the final product, such as a respective tissue or tissue web, the desired embossing is still present.
  • the advantage of a higher water retention capacity for towel tissue (towel paper) also comes into play when using the end product in question.
  • an evacuated device is used between the suction element producing the first pressure field and the press nip producing the further pressure field and the fibrous web is guided together with an embossing belt both via the evacuated device and through the press nip. It is advantageous if the evacuated device has a curved surface and the fibrous web and the embossing belt are guided over this curved surface.
  • a suctioned device for example, a suction roll can be used.
  • the felt is conveniently passed between the embossing belt and the flexible belt of the shoe press unit through the press nip.
  • the particular soft felt is also passed over the evacuated device.
  • this is preferably associated with a standing under pressure hood to support the negative pressure effect of the evacuated device.
  • the felt can be conditioned, for example, by means of a suction device, in particular by means of a suction box, before it is brought together with the embossing belt carrying the fibrous web.
  • a suction device in particular by means of a suction box
  • the dry content of the felt can be increased and the felt can be cleaned.
  • the embossing band can be placed in front of the evacuated device, i.
  • the suction roll are guided over the suction element or the wet vacuum to suck the fibrous web in the three-dimensional surface structure of the embossing belt and thus impart this structure to the band.
  • the relevant suction element brings a corresponding increase in dry content with it.
  • the felt is brought together only after the evacuated device with the embossing belt carrying the fibrous web.
  • the evacuated device is therefore not wrapped in this case of the felt, whereby the suction effect of this device is increased and increased according to the dry content.
  • the wet molding effect is maintained by the gentler dewatering by the so-called TissueFlex, which operates at a lower pressure and a longer residence time compared to a shoe press roll.
  • the length of the press nip of the press cylinder and the shoe press unit, which is considered in the web running direction, is greater than a value of about 80 mm and the shoe press is designed so that a pressure profile with a maximum pressing pressure results over the press nip length, which is less than or equal to a value of about 2.5 MPa. This ensures a gentle pressing, which avoids that the structure produced in the fibrous web, e.g. Tissue or Hygienebahn, is flattened out again.
  • suction roll between the suction element producing the first pressure field and the press nip, which is preferably associated with a pressure hood.
  • At least one dewatering screen with zonal different screen permeability is used in the forming area.
  • the relevant drainage sieve can be provided in particular as an outer sieve.
  • a corresponding embodiment of the method is particularly advantageous in the production of towel tissue.
  • the screen produces a fine structure which increases the rate of water absorption and, in conjunction with the embossing of the present invention, brings with it increased water retention.
  • a former with two circumferential dewatering belts which converge to form a Stoffseinvierspaltes and a forming element such as in particular, a forming roller are guided, and as a non-contact with the forming element in contact outer band and / or as an inner belt, a dewatering screen with zonal different Sieb trim is used.
  • a dewatering screen with zonal different Sieb trim is used as an inner band.
  • an embossing belt and preferably as an outer belt a dewatering screen with zonal different Sieb prepares.
  • the fibrous web is preferably taken over by an embossing belt from the inner band.
  • the web can be wet embossed by means of the embossing belt, for example by means of a suction box in front of the press.
  • an embossing belt such as embossing screen or embossed membrane, performed, which is structured so that results for this embossing belt compared to the area ratio of recessed zones or holes smaller area ratio of raised or closed zones, and Accordingly, in the press nip a smaller area fraction of the fibrous web is pressed.
  • the smaller area percentage of raised or closed zones provides the high density web areas for strength, while the larger area percentage of recessed zones or holes remaining at least substantially unpressed will provide the desired water absorbency and volume provides, as they were previously achieved only by a complex and expensive fürströmungs- or TAD drying.
  • an embossing belt can advantageously be used in which the areal proportion of raised or closed zones is ⁇ 40% and is preferably in a range from about 25 to about 30%.
  • an embossing belt is used in which the raised zones and recessed zones are offset by cranks, i. resulting from crossing points of weft and warp threads, a mesh fabric.
  • an embossing membrane can also be used, with which the raised and recessed zones result through the holes. In this case, it is advantageous that 100% of the surface is pressed around the holes and results in a higher strength.
  • the embossing belt in question can be guided together with the fibrous web, for example, again over a drying cylinder, in particular Yankee cylinder.
  • a shoe press unit can again be used as the counter element interacting with the drying cylinder.
  • the length of the press nip considered in the web running direction as well as the pressure profile resulting over the press nip length can in particular be selected again as stated above.
  • Creping the web can improve the water absorbency by 50%, and taking this into account, TAD towel quality water absorption can be achieved.
  • the quality of the paper is due to the lower pressure of the web due to the smaller surface area of raised zones, and not by a TAD dryer.
  • the permeability of the web results from the stretching of the web into the fabric structure by means of the suction element, whereby so-called “pillows" are produced, which increase the water absorption capacity and the volume accordingly.
  • a relatively expensive and correspondingly expensive TAD dryer is therefore no longer required.
  • the function of the TAD drum and the air flow system is to dry the web, and therefore, the appropriate dry content must be achieved in order to perform wet stamping in a conventional machine, ie, in particular a conventional tissue machine.
  • a vacuum dewatering of the fibrous web takes place, in which the pressure difference ( ⁇ p) ⁇ 0.1 bar, in particular ⁇ 0.2 bar and preferably ⁇ 0.3 bar.
  • the pressure difference ( ⁇ p) can be in particular in a range from about 0.2 bar to about 0.4 bar.
  • an open area of approximately 20% is advantageously provided.
  • a fine-pored fabric e.g. Sieve or felt with foamed layer, used.
  • the open area is preferably very small, so that results in a very small volume of air flow.
  • the vacuum dewatering takes place such that an air volume flow ⁇ 50, in particular ⁇ 20, in particular ⁇ 5, and preferably ⁇ 1 m 3 m 2 ⁇ min (to almost zero m 3 m 2 ⁇ min ).
  • the invention is particularly applicable to Crescent Formers, Duo Formers, C-Wrap Formers, S-Wrap Formers, and to the manufacture of multi-layer and multi-ply tissue.
  • FIG. 1 shows, in a schematic partial representation, a device 10 for producing a fibrous web 12 provided with a three-dimensional surface structure (see also FIG. 7), which may in particular be a paper web and preferably a tissue or hygiene web.
  • the fibrous web 12 is pressed at a dry content ⁇ 35% by means of a first pressure pad I on a stamping or structural band 14, e.g. sucked, and thereby pre-embossed and then pressed for further drainage and drying by means of another pressure pad II a further time on the embossing belt 14 to fix the three-dimensional surface structure and strength.
  • a stamping or structural band 14 e.g. sucked, and thereby pre-embossed and then pressed for further drainage and drying by means of another pressure pad II a further time on the embossing belt 14 to fix the three-dimensional surface structure and strength.
  • another pressure pad II a further time on the embossing belt 14 to fix the three-dimensional surface structure and strength.
  • embossing belt 14 in particular an embossing screen.
  • the same embossing belt 14 is provided for embossing and fixing the surface structure.
  • the first pressure field I is produced by means of a suction element 16 arranged on the side of the embossing belt 14 facing away from the fibrous web 12, whereby the fibrous web 12 is sucked into the surface structure of the embossing belt 14.
  • the suction element 16 may be provided in particular as a suction box or wet vacuum.
  • the fibrous web 12 is preferably pressed gently, ie in particular over an extended distance in the web running direction L route.
  • the further pressure field II can be generated in particular by means of a press nip 18 which is formed between a drying cylinder 20 and a counter-element 22.
  • the by the Press nip 18 guided fibrous web 12 is in this case in contact with the surface 20 'of the drying cylinder 20. With its other side it lies against the embossing belt 14.
  • drying cylinder 20 may be provided in particular a Yankee cylinder.
  • a shoe press unit 22 is preferably provided which comprises a flexible band 26 guided in the area of the press nip 18 via a press shoe 24.
  • a shoe press unit 22 provided with a flexible roll shell 26 shoe press roll.
  • a preferably soft belt 28 or a fine-pored clothing with capillary effect in particular a soft felt or a soft foam felt, can be guided through the press nip 18.
  • This soft band 28 or fine-pored stringing thus runs between the embossing band 14 and the flexible band 26 of the shoe press unit 22.
  • the fibrous web 12 can be dried on the drying cylinder 20, ie for example on a Yankee cylinder. In addition, the fibrous web 12 can be creped. Finally, the web 12 can be wound up by appropriate means.
  • the dry content at which the fibrous web 12 is pre-stamped and / or the dry content at which the three-dimensional surface structure is fixed is, as already mentioned, ⁇ 35%, and may in particular be ⁇ 30% and preferably ⁇ 25%.
  • an evacuated device 30 is provided, which may in particular be a suction roller.
  • the fibrous web 12 is guided together with the embossing belt 14 both via the evacuated device 30 and through the press nip 18.
  • the fine-pored fabric or in the present case e.g. the felt 28 is passed between the embossing belt 14 and the flexible belt 26 of the shoe press unit 22 through the press nip 18.
  • the felt 28 is guided not only by the press nip 18 but also by the evacuated means 30. Since the suction of the device 30 is reduced by the resistance of the felt 28, the evacuated device 30 may be associated with a positive-pressure hood to assist the vacuum effect of the evacuated device 30.
  • a suction device 32 for conditioning the felt 28, a suction device 32, in particular a suction box or the like, may be provided.
  • this felting device 32 serving for felt conditioning is arranged in front of the evacuated device 30, in the region of which the felt 28 is brought together with the embossing belt 14 carrying the fibrous web 12.
  • the suction device 32 is preferably before (shown in solid lines) a lower Deflection roller 72 is arranged. In principle, however, an arrangement behind this lower guide roller 72 is possible (dashed line 32 ').
  • the embossing belt 14 In front of the evacuated device 30, the embossing belt 14 is guided over the suction element 16, which causes a pre-embossing of the fibrous web 12 in addition to a dry content increase. This is sucked into the three-dimensional surface structure of the embossing belt or sieve 14, whereby the structure of the web is impressed.
  • FIG. 2 differs from that according to FIG. 1 essentially only in that the felt 28 is brought together only after the evacuated device 30 with the embossing belt 14 carrying the fibrous web 12.
  • the evacuated device 30 is thus not wrapped in this case by the felt 28, whereby their suction effect is increased and the dry content is increased accordingly.
  • the wet embossing effect is maintained by the relatively gentle dewatering of the TissueFlex, where the pressure is lower than that of a conventional shoe press.
  • this embodiment may be at least substantially as designed as shown in FIG. 1. So here is the suction device 32 preferably again before (shown in solid lines) of the lower guide roller 72, wherein in principle, however, again an arrangement behind this lower guide roller 72 is possible (dashed line 32 ').
  • Fig. 3 shows a schematic partial representation of an embodiment in which a drainage device 34 is additionally provided, in which for the dewatering a fine-pored fabric 36 with capillary effect is used, in which it is e.g. can act to a felt or a sieve with foamed layer.
  • a particular foam coating may in particular be selected such that pores result in a range of about 3 to about 6 microns.
  • the fine-pored fabric 36 is guided together with an embossing belt 14 and intermediate fibrous web 12 to a larger suction roll 38, wherein the fine-pored fabric 36 is preferably in contact with the suction roll 38.
  • the suction roll 38 looped around by the fine-pored fabric 36 may, for example, have a diameter of about 2 to about 3 m.
  • the suction roller 38 may be acted upon by vacuum on its underside.
  • the suction roll 38 can also be assigned a siphon outlet.
  • the respective means are designated in Fig.3 with "40".
  • At least one drainage sieve with zonal different sieve permeability can be provided.
  • a former with two circumferential dewatering belts 14, 42 is provided, wherein the inner band 14 at the same time as Embossing band serves.
  • the two dewatering belts 14, 42 converge to form a material inlet gap 44 and are guided over a forming element 46 such as in particular a forming roller.
  • the embossing belt 14 is formed by the inner band of the former coming into contact with the forming element 46.
  • the outer band 42 which does not come into contact with the forming element 46, can be provided in particular as a dewatering screen with zonal different screen permeability.
  • a headbox 48 By means of a headbox 48, the pulp suspension is introduced into the stock inlet gap 44. Behind the forming element 46, a pickup or separating element 50 is provided, through which the web is held on the embossing belt 14 during the separation from the dewatering belt 42.
  • a suction element 16 (solid representation) is again provided, through which the fibrous web 12 is pressed onto the embossing belt 14.
  • this suction element can also be arranged between the device 34 with capillary action and the evacuated device or suction roller 30 (dashed representation 16 ').
  • the soft belt according to the embodiment of FIG. 1 is again guided around the evacuated device 30.
  • it can also be in this soft band 28, for example again to a fine-pored covering with capillary effect, for example, a corresponding capillary effect felt (capillary felt) act.
  • the felt 28 can be conditioned again via a suction device or a so-called UHLE box.
  • the drying cylinder 20 may in particular be a Yankee cylinder again. In this case, this drying cylinder 20 may be associated with a drying hood 52.
  • the dry content of the fibrous web before the capillary drainage device 34 is about 10 to about 25%, in the area downstream of this device 34 e.g. about 30 to about 40%.
  • the embodiment shown in FIG. 4 differs from that shown in FIG. 3 initially in that the fibrous web 12 is taken over by the embossing belt 14 from an inner band 54 of the former.
  • this inner band 54 or the outer band 42 of the former can again be provided as a dewatering screen with zonal different Sieb trim engineer.
  • the two circulating dewatering belts 42, 54 converge again to form a material inlet gap 44, wherein they are guided again over a forming element 46 such as in particular a forming roller.
  • a headbox 48 of the material inlet gap 44 is fed again with pulp suspension.
  • the pulp suspension in the present case is supplied from below.
  • a pickup or separating element is again provided, through which the fibrous web 12 is held on the embossing belt in the separation of the inner band 54 of the former.
  • suction member 16 is arranged in front of the dewatering device 34 with capillary action, in principle, however, an arrangement according to this device 34 is possible.
  • the felt 28 is missing.
  • the dry content of the fibrous web in the present embodiment is about 10 to about 25% in the region of the pickup element 50, about 15 to about 30% in the region upstream of the dewatering device 34 and about 35 to about 45% downstream of the device 34.
  • this embodiment may have at least substantially the same structure as that shown in FIG. 3. Corresponding elements are assigned the same reference numerals.
  • FIG. 5 shows a schematic partial representation of an embodiment of the device 10 in which a displacement press 56 is provided.
  • the fibrous web 12 is guided to expel water by means of gas pressure with the embossing belt 14 at least once through a pressure chamber 58 which is bounded by at least four parallel rollers 60 - 66 and in which a compressed gas can be introduced.
  • the fibrous web 12 is preferably guided together with the embossing belt 14 and a membrane 68 through the pressure chamber 58.
  • the membrane 68 forms the inner band of the former, which in turn comprises a forming element 46, in particular a forming roller, in the region of which provided as a membrane inner band 68 and the outer band 42 converge to form a Stoffeinvierspaltes 44, by means of a headbox 48 with pulp suspension is charged.
  • the fibrous web 12, together with the embossing belt 14 is guided again over an evacuated device 30, in particular a suction roller, and through the press nip 18 formed between a drying cylinder 20, in particular a Yankee cylinder, and a shoe press unit 22.
  • the drying cylinder or Yankee cylinder 20 is again associated with a drying hood 52.
  • the first pressure field I by which the fibrous web 12 is pressed at a dry content of ⁇ 50% on the embossing belt 14 and pre-embossed, for example, be generated by the air press 56.
  • embossing screen cf., in particular, the left-hand part of FIG. 6
  • embossing membrane cf., in particular, the right-hand part of FIG. 6
  • the area fraction of raised or closed zones 68 can be in particular ⁇ 40% and preferably in a range of about 25 to about 30%.
  • the raised zones 68 and the recessed zones may be defined by cranks, i. resulting from crossing points of weft and warp threads, a mesh fabric.
  • cranks i. resulting from crossing points of weft and warp threads, a mesh fabric.
  • a corresponding structuring results through the holes 74.
  • Fig. 6 shows a partial schematic representation of a corresponding embossing belt 14, e.g. Embossing felt or embossing membrane, with a smaller surface portion of raised or closed zones 68 compared to the area proportion of recessed zones or holes 74.
  • embossing belt 14 e.g. Embossing felt or embossing membrane
  • the thickness d of the embossing membrane shown in the right part of Fig. 6 may e.g. be about 1 to about 3 mm.
  • the open area may be greater than 50%, and more preferably greater than 60%, and preferably within a range of from about 70% to about 75%.
  • the membrane expediently consists of a material which is resistant to pulp chemistry. It can for example consist of polyester.
  • FIG. 7 shows a schematic section through a press nip 18, through which the embossing belt 14 shown in FIG. 6 passes together with the fibrous web 12 and a preferably soft belt or felt 28 is.
  • this soft band 28 is in contact with the flexible band 26 of the shoe press unit, which is guided in the region of the press nip 18 via a press shoe 24, via which the desired contact force can be applied.
  • the fibrous web 12 is applied to the drying cylinder 20, preferably a Yankee cylinder.
  • the fibrous web 12 is already marked before the nip. As can be seen with reference to FIG. 7, it lies against the embossing belt even before the nip.

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  • Paper (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Machines For Manufacturing Corrugated Board In Mechanical Paper-Making Processes (AREA)
  • Preliminary Treatment Of Fibers (AREA)
EP02758205A 2001-06-20 2002-05-27 Verfahren und vorrichtung zur herstellung einer mit einer dreidimensionalen oberflächenstruktur versehen faserstoffbahn Expired - Lifetime EP1397587B1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP05109471A EP1626122B1 (de) 2001-06-20 2002-05-27 Verfahren und Vorrichtung zur Herstellung einer mit einer dreidimensionalen Oberflächenstruktur versehenen Faserstoffbahn
EP05109470A EP1626121A1 (de) 2001-06-20 2002-05-27 Verfahren und Vorrichtung zur Herstellung einer mit einer dreidimensionalen Oberflächenstruktur versehenen Faserstoffbahn

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10129613 2001-06-20
DE10129613A DE10129613A1 (de) 2001-06-20 2001-06-20 Verfahren und Vorrichtung zur Herstellung einer mit einer dreidimensionalen Oberflächenstruktur versehenen Faserstoffbahn
PCT/EP2002/005808 WO2003000002A1 (de) 2001-06-20 2002-05-27 Verfahren und vorrichtung zur herstellung einer mit einer dreidimensionalen oberflächenstruktur versehen faserstoffbahn

Related Child Applications (4)

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EP05109471A Division EP1626122B1 (de) 2001-06-20 2002-05-27 Verfahren und Vorrichtung zur Herstellung einer mit einer dreidimensionalen Oberflächenstruktur versehenen Faserstoffbahn
EP05109470A Division EP1626121A1 (de) 2001-06-20 2002-05-27 Verfahren und Vorrichtung zur Herstellung einer mit einer dreidimensionalen Oberflächenstruktur versehenen Faserstoffbahn
EP05109470.4 Division-Into 2005-10-12
EP05109471.2 Division-Into 2005-10-12

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EP1397587A1 EP1397587A1 (de) 2004-03-17
EP1397587B1 true EP1397587B1 (de) 2006-02-08

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EP05109470A Withdrawn EP1626121A1 (de) 2001-06-20 2002-05-27 Verfahren und Vorrichtung zur Herstellung einer mit einer dreidimensionalen Oberflächenstruktur versehenen Faserstoffbahn
EP02758205A Expired - Lifetime EP1397587B1 (de) 2001-06-20 2002-05-27 Verfahren und vorrichtung zur herstellung einer mit einer dreidimensionalen oberflächenstruktur versehen faserstoffbahn
EP05109471A Expired - Lifetime EP1626122B1 (de) 2001-06-20 2002-05-27 Verfahren und Vorrichtung zur Herstellung einer mit einer dreidimensionalen Oberflächenstruktur versehenen Faserstoffbahn

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EP05109470A Withdrawn EP1626121A1 (de) 2001-06-20 2002-05-27 Verfahren und Vorrichtung zur Herstellung einer mit einer dreidimensionalen Oberflächenstruktur versehenen Faserstoffbahn

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US (2) US7291249B2 (pt)
EP (3) EP1626121A1 (pt)
AT (2) ATE317498T1 (pt)
BR (1) BR0211023A (pt)
DE (3) DE10129613A1 (pt)
WO (1) WO2003000002A1 (pt)

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CN106758477A (zh) * 2017-01-21 2017-05-31 白城福佳科技有限公司 纸张塑纹的方法
CN107503215A (zh) * 2017-09-25 2017-12-22 绥阳县双龙纸业有限公司 一种自动化造纸系统
CN107503215B (zh) * 2017-09-25 2019-02-15 绥阳县双龙纸业有限公司 一种自动化造纸系统

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US20070289159A1 (en) 2007-12-20
EP1626121A1 (de) 2006-02-15
US7662260B2 (en) 2010-02-16
DE50205800D1 (de) 2006-04-20
DE50214542D1 (de) 2010-08-26
ATE474085T1 (de) 2010-07-15
US20040237210A1 (en) 2004-12-02
US7291249B2 (en) 2007-11-06
DE10129613A1 (de) 2003-01-02
EP1626122B1 (de) 2010-07-14
EP1397587A1 (de) 2004-03-17

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