EP3224409A1 - Verfahren und vorrichtung zur herstellung von verpackungspapier - Google Patents
Verfahren und vorrichtung zur herstellung von verpackungspapierInfo
- Publication number
- EP3224409A1 EP3224409A1 EP15797057.5A EP15797057A EP3224409A1 EP 3224409 A1 EP3224409 A1 EP 3224409A1 EP 15797057 A EP15797057 A EP 15797057A EP 3224409 A1 EP3224409 A1 EP 3224409A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- press
- section
- wire
- fibrous web
- drying
- 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
Links
- 238000004806 packaging method and process Methods 0.000 title claims abstract description 17
- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000001035 drying Methods 0.000 claims abstract description 51
- 239000000123 paper Substances 0.000 claims abstract description 27
- 239000000725 suspension Substances 0.000 claims abstract description 23
- 239000007787 solid Substances 0.000 claims abstract description 20
- 239000002655 kraft paper Substances 0.000 claims abstract description 14
- 238000002360 preparation method Methods 0.000 claims abstract description 7
- 230000008719 thickening Effects 0.000 claims description 13
- 238000003801 milling Methods 0.000 claims description 10
- 230000015572 biosynthetic process Effects 0.000 claims description 5
- 239000004744 fabric Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000003825 pressing Methods 0.000 abstract description 5
- 238000007670 refining Methods 0.000 abstract 3
- 210000000481 breast Anatomy 0.000 description 7
- 230000006835 compression Effects 0.000 description 7
- 238000007906 compression Methods 0.000 description 7
- 238000000227 grinding Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 239000000835 fiber Substances 0.000 description 4
- 238000010790 dilution Methods 0.000 description 3
- 239000012895 dilution Substances 0.000 description 3
- 230000005284 excitation Effects 0.000 description 3
- 238000011049 filling Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 2
- 239000004909 Moisturizer Substances 0.000 description 1
- 230000009172 bursting Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 230000001333 moisturizer Effects 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F1/00—Wet end of machines for making continuous webs of paper
- D21F1/18—Shaking apparatus for wire-cloths and associated parts
- D21F1/20—Shaking apparatus for wire-cloths and associated parts in Fourdrinier machines
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
- D21D1/00—Methods of beating or refining; Beaters of the Hollander type
- D21D1/20—Methods of refining
-
- 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
- B31F1/12—Crêping
- B31F1/16—Crêping by elastic belts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D65/00—Wrappers or flexible covers; Packaging materials of special type or form
- B65D65/38—Packaging materials of special type or form
- B65D65/40—Applications of laminates for particular packaging purposes
-
- 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
- D21F11/02—Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines of the Fourdrinier type
-
- 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
- D21F3/04—Arrangements thereof
-
- 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
- D21F3/04—Arrangements thereof
- D21F3/045—Arrangements thereof including at least one extended press nip
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F5/00—Dryer section of machines for making continuous webs of paper
- D21F5/02—Drying on cylinders
- D21F5/04—Drying on cylinders on two or more drying cylinders
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F5/00—Dryer section of machines for making continuous webs of paper
- D21F5/02—Drying on cylinders
- D21F5/04—Drying on cylinders on two or more drying cylinders
- D21F5/042—Drying on cylinders on two or more drying cylinders in combination with suction or blowing devices
- D21F5/044—Drying on cylinders on two or more drying cylinders in combination with suction or blowing devices using air hoods over the cylinders
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F9/00—Complete machines for making continuous webs of paper
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F9/00—Complete machines for making continuous webs of paper
- D21F9/003—Complete machines for making continuous webs of paper of the twin-wire type
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F9/00—Complete machines for making continuous webs of paper
- D21F9/02—Complete machines for making continuous webs of paper of the Fourdrinier type
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H25/00—After-treatment of paper not provided for in groups D21H17/00 - D21H23/00
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
- D21H27/10—Packing paper
Definitions
- the invention relates to a method and a device for producing packaging paper, in particular sack kraft paper.
- Sack paper also called sack kraft paper
- Sack paper is made of pulp fibers and predominantly of long fiber pulp, since this brings a high strength and a high porosity of the paper with it.
- Sack paper becomes sacks .B. for the packaging of cement and powdered products.
- the main characteristics of the sack paper include high strength with sufficient elongation, high porosity and sufficient rigidity. Such properties are crucial only in terms of the load on the bags during transport, but also with regard to the loading of the bags during filling.
- the sack kraft paper grades are a niche product in the field of packaging papers. Unbleached varieties are produced with existing machines based on several different machine concepts. In this case, expandable sack kraft paper grades are also already using a so-called "Extensible Unit", known for example as a Clupak unit, manufactured as a compression device with an elastic band, is creped through the still moist fibrous web to improve their elongation properties in the web running direction.
- the invention has for its object to provide a method and an apparatus for the production of packaging paper, in particular sack kraft paper, with which the investment and operating costs are minimized while maintaining a high quality of the packaging paper produced.
- this object is achieved by a process for the production of packaging paper, in particular sack kraft paper, in which pulp suspension is thickened in a stock preparation to a solids concentration in the range of about 30% to about 35% before high consistency milling, the fibrous web after the high consistency milling of a low consistency grinding at a solids concentration in the range of about 1% to about 3%, the pulp suspension by means of a headbox with a consistency ⁇ 0.5%, in particular having a consistency in the range of about 0.15% to about 0.25%
- Dewatering and formation of a fibrous web is applied to the wire of a Fourdrinier or a hybrid former, the wire is stimulated in particular in the initial sheet forming area to shaking, and the formed fibrous web is further dewatered in a press section and dried in a dryer section.
- the thickening of the fibrous web preferably takes place by means of a screw press or by means of a twin-wire press.
- a Hybridfomer has a wire on which the fibrous web is dewatered in the initial area only to one side. After the initial region, the fibrous web is dewatered between a second dewatering wire and the longitudinal wire lying on both sides.
- Hybrid shapers are available at higher speeds of the paper machine advantageous. The drainage performance is thereby increased without affecting the quality of the fibrous web produced. With the thickening, the amount of water contained in the fibrous web is reduced, resulting in a correspondingly higher consistency of the fibrous suspension, which indicates the percentage of dry matter still present in the fibrous stock suspension. High-consistency milling at a solids concentration in the stated range increases the strength of the later-formed packaging paper web.
- the wire of the wire former or hybrid former is an endless circulating wire.
- drainage elements can be provided in particular within the loop of this wire.
- the wire section can be designed with a wire suction roll or even without such a wire suction roll.
- the wire of the wire former or hybrid former may be guided, in particular at the end of the sheet forming area, around a roller which, depending on the purpose, is provided as a wire suction roller or as a closed roller.
- the wire is guided in the initial sheet forming area around a breast roll and the breast roll is acted upon by means of a shaking device for shaking the wire.
- the breast roll can be moved back and forth in particular in the axial direction, whereby the wire is displaced transversely to the web running direction.
- the fibrous web leaving the press section preferably has a solids content in the range of 35% to 45% and preferably a solids content in the range of 40%.
- the fibrous web is passed in the press section only by a single press nip, which is formed by an extended in the running direction, provided in particular as a shoe press nip double felted press nip.
- the press unit in question may thus be a so-called SingleNipcoFlex press.
- a respective shoe press nip can be formed, in particular, between a shoe press roll and a counter roll, the shoe press roll having a flexible roll shell which is guided over a press shoe.
- the fibrous web is guided lying between the two felts through the extended press nip.
- the felts are endless circulating felt ribbons.
- the fibrous web is passed in the press section only by two consecutively arranged press nips, which are each formed by an extended in the running direction, provided in particular as a shoe press nip press nip, wherein the second press nip in the web running direction in particular simply felted and provided with a transfer tape.
- the first press nip may in particular be double-felted.
- the felts and the transfer belt are endless circulating felt belts or an endless circulating transfer belt.
- the transfer belt may be at least substantially impermeable and smooth.
- the fibrous web is guided in the press section only by a so-called DuoCentriNipcoFlex press with three successive press nips.
- the DuoCentriNipcoFlex press is a compact three-nip press in which the underside of the fibrous web only comes into contact with one felt in the first press nip in the web running direction, while in the two following press nips only the upper side of the fibrous web comes into contact with one felt Felt in contact device and the underside of the fibrous web in each case comes into contact with a smooth roller. Even with such a pressing concept you get back a one-sided smooth paper web.
- a press section designed in this way is therefore suitable, just like a press section with only two press nips arranged one behind the other, and a transfer belt guided by the second press nip in a special way for the production of in particular bleached, to be printed sack kraft paper grades.
- the device according to the invention for the production of packaging paper, in particular sack kraft paper accordingly comprises a stock preparation having a thickening device to thicken a pulp suspension to a solids concentration in the range of about 30% to about 35%, and contains refiner to the pulp suspension after thickening of a high consistency a high-consistency milling at a solids concentration in the range of about 1% to about 3%, a wire section for dewatering the pulp suspension and to form a fibrous web comprising a wire former or hybrid former, on its wire the pulp suspension through a headbox with a substance density ⁇ 0.5%, in particular with a substance density in the range from about 0.15% to about 0.25%, can be applied, a shaking device, by means of which the wire can be excited to shake in particular in the initial sheet forming area, a press section for further dewatering of the fibrous web and a dryer section for drying the fibrous web.
- the Eindick pitch preferably comprises a screw press or a twin-wire press.
- the wire section can be designed with a wire suction roll or even without such a wire suction roll.
- the wire of the wire former or hybrid former may be guided, in particular at the end of the sheet forming area, around a roller which, depending on the purpose, is provided as a wire suction roller or as a closed roller.
- a shaking device is provided for shaking the wire, by means of which a breast roll can be acted upon, around which the wire is guided in the initial sheet forming area.
- the device is designed so that the exiting from the press section fibrous web has a solids content in the range of 35% to 45% and preferably has a dry content in the range of 40%.
- the press section has only a single press nip, which is formed by an extended in the web running direction, in particular provided as a shoe press nip, double felted press nip.
- the extended press nip is preferably designed for generating pressing pulses> 55 kPa ' s.
- the fibrous web and the lower felt can be separated from the upper felt after the double-felted extended press nip, in particular by means of a separating sucker, wherein the fibrous web is continued through the lower felt.
- the press section only two consecutively arranged press nips, which are each formed by an extended in the running direction, provided in particular as a shoe press nip Pressnip, wherein viewed in the web running direction second press nip in particular is simply felted and provided with a transfer belt.
- the first press nip, viewed in the web running direction, is preferably double-felted.
- the press section has only one DuoCentriNipcoFlex press with three successive press nips.
- the headbox is preferably equipped with a dilution water control.
- the possibility is created to regulate the throughput, the solids density and thus the basis weight and the fiber orientation in sections over the width of the fibrous web in zones.
- the basis weight cross-section of the fibrous web can be controlled by feeding more water into the corresponding zone at heavy points in or in front of the headbox and thus reducing the consistency in the fiber stock suspension in this zone. Too light places is the Control in reverse.
- a correspondingly improved basis weight transverse profile of the fibrous web With a correspondingly improved basis weight transverse profile of the fibrous web, a more uniform porosity, strength and extensibility of the sack force paper over the width of the paper web are achieved.
- the dryer section may include a pre-dryer section and a post-dryer section.
- the pre-drying section preferably contains a plurality of, in particular, short drying groups.
- the pre-drying section expediently comprises a maximum of two single-row drying groups.
- the pre-drying section comprises a maximum of three double-row dryer groups, in particular each with a maximum of eight drying cylinders.
- the pre-drying section comprises at least one nozzle moistener for moisture transverse profile.
- a nozzle moistener is particularly preferred when the press section is provided with only one press nip or shoe press nip extended in the web running direction.
- the dryer section comprises an upsetting device designed in particular as a so-called "Extensible Unit" with an elastic band in order to compress the fibrous web in the web running direction.
- the fibrous web before the compression device preferably has a solids content in the range from about 62% to about 68%.
- the fibrous web is compressed by contracting the relieved elastic band of the compressing device ("Extensible Unit") in the web running direction, whereby a creping effect sets.
- a negative train Preferably, the fibrous web is acted upon by means of the compression device with a negative train, which is defined by a speed difference in a range of about -1% to about -5%.
- a negative pull of about -3% is for example "Semi-Extensible” varieties, i. for varieties of medium extensibility of advantage.
- "Extensible” varieties i. with varieties of higher extensibility, a negative pull up to -5% conceivable.
- the flexible band of the upsetting device (“Extensible Unit”) is suitably positioned on the non-smooth top of the fibrous web so as not to destroy the smooth side.
- the underside of the fibrous web is smooth.
- both sides of the fibrous web are substantially equal smooth.
- the flexible band of an upsetting device (“Extensible Unit”) can optionally be positioned on the upper side of the fibrous web in order to ensure good runability or machine operation and to keep execution as simple as possible.
- Impingement drying is based on heat transfer by convection as a result of the impingement of air jets on the fibrous web.
- a respective impingement drying unit is preferably positioned directly above the non-felted fibrous web, so that the fibrous web can freely shrink freely through a felt.
- a corresponding impingement or impingement flow drying can take place in particular via the overhead drying cylinders.
- such impingement drying units can be positioned both on overhead and on bottom dryer cylinders.
- the dryer section or after-dryer section is expediently arranged downstream of a reel-up, wherein the fibrous web can be rolled up by this reel-up, preferably at a dry content in the range from about 92% to about 94%.
- FIG. 1 is a schematic representation of an exemplary embodiment of a device according to the invention for the production of packaging paper, in particular sack kraft paper, and
- FIG. 2 shows a more detailed schematic illustration of the press part of the device according to FIG. 1.
- FIG. 1 and 2 show a schematic representation of an exemplary embodiment of a device 10 according to the invention for the production of packaging paper, in particular sack kraft paper.
- the device comprises a stock preparation 12, a wire section 14 for dewatering a pulp suspension and for forming a fibrous web, a press section 16 for further dewatering of the fibrous web and a dryer section 18 for drying the fibrous web.
- the stock preparation 12 comprises a thickening device 20 to thicken the pulp suspension to a solids concentration in the range from about 30% to about 35%, and refiner 22, 24 to the pulp suspension after thickening a high consistency grinding and after high consistency grinding a low consistency grinding at a solids concentration ranging from about 1% to about 3%.
- the refiner 22 thus serves a Hochkonsistenzmahlung, while this downstream refiner 24 serves a low consistency grinding.
- the wire section 14 comprises a wire screen former, on whose wire 26 the pulp suspension can be applied through a headbox 28 with a consistency ⁇ 0.5%, in particular with a consistency in the range from about 0.15% to about 0.25%. In principle, the wire could also be the wire of a hybrid former.
- the wire section 14 may be associated with a shaking device (not shown) by which the wire can be excited to shake, in particular in the initial sheet forming area.
- the thickening device 20 can, as shown, in particular comprise a screw press. The thickening can also be done by means of a twin-wire press.
- the endless circumferential wire 26 is guided around a breast roll 30 in the initial sheet forming area.
- the device 20 may be designed and / or operated such that the fibrous web emerging from the press section 18 has a solids content in the range from 35% to 45% and preferably a dry content in the range from 40%.
- the press section 16 has only a single press nip 32 (see FIG. 2), which is formed by a double-felted press nip extended in the web running direction L and provided in particular as a shoe press nip.
- this press nip 32 is formed between two press rolls 34, 36, one of which is designed as a shoe press roll with a guided over a press shoe flexible roll shell.
- the fibrous web is guided between an upper felt 38 and a lower felt 40 lying through the extended press nip 32.
- the press unit concerned is thus a so-called SingleNipcoFlex press.
- the pressing unit can be designed in particular for generating pressing pulses> 55 kPa ' s in the press nip 32.
- the fibrous web and the lower felt 40 are separated from the upper felt 38 after the double-felted extended press nip 32 in the present case, for example by means of a separating sucker 42, so that the fibrous web is continued through the lower felt 40.
- a press section with only two press nips arranged one behind the other is conceivable, each of which is formed by a press nip that is elongated in the web running direction and is provided in particular as a press nip. wherein the viewed in the web running direction second press nip in particular can be easily felted and provided with a transfer belt.
- the press section 16 can also have only one DuoCentriNipcoFlex press with three successive press nips.
- the headbox 28 may be provided with a dilution water control.
- the wire section 14 may be performed with a wire suction or even without such Siebsaugwalze.
- the wire 26 is guided around a roller 44, which may be designed as a wire suction roller or as a closed roller. If necessary, a high-vacuum suction sieve roll can be provided as a sieve suction roll.
- the extended press nip 32 of the shoe press unit comprising the two press rollers 34, 36 can in particular have a length> 220 mm, preferably greater 270 mm.
- the drying section 18 comprises a pre-drying section 18i and an after-drying section 18 2 .
- the pre-drying section 18i preferably contains a plurality of, in particular short dry dome.
- the pre-drying section 18i preferably comprises one or two single-row drying groups and / or one to three double-row drying groups, in particular each with a maximum of eight drying cylinders 46.
- the pre-drying section 18i may in particular also comprise at least one nozzle moistener 48 for the moisture transverse profile.
- a nozzle moistener is particularly advantageous when the press section 16 is provided with a single-nipcoFlex press.
- the drying section 18 can in particular also comprise an upsetting device 50 arranged, for example, between the pre-drying section 18i and the afterdrying section 18 2 , in particular designed as a so-called "Extensible Unit" with an elastic band 52 in order to compress the fibrous web in the web running direction L.
- the flexible band 52 of this compression device 50 is positioned on the upper side of the fibrous web.
- the fibrous web before the compression device 50 preferably has a solids content in the range from about 62% to about 68%.
- the fibrous web is expediently subjected to a negative draw, which is defined by a speed difference in a range from about -1% to about -5%.
- At least one drying cylinder 46 of the after-dryer section 18 2 can also be associated with an impingement drying unit 54, wherein in the present case a plurality of drying cylinders each have such an impingement drying unit 54 assigned.
- the drying section 18 or the after-dryer section 18 2 is followed by a reel 56.
- the fibrous web can be rolled up by this reel-up 56, in particular at a dry content in the range from about 92% to about 94%.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Paper (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102014224358 | 2014-11-28 | ||
PCT/EP2015/076650 WO2016083170A1 (de) | 2014-11-28 | 2015-11-16 | Verfahren und vorrichtung zur herstellung von verpackungspapier |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3224409A1 true EP3224409A1 (de) | 2017-10-04 |
EP3224409B1 EP3224409B1 (de) | 2021-08-18 |
Family
ID=54557396
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP15797057.5A Active EP3224409B1 (de) | 2014-11-28 | 2015-11-16 | Verfahren und vorrichtung zur herstellung von verpackungspapier |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP3224409B1 (de) |
CN (1) | CN107073865B (de) |
BR (1) | BR112017010990B1 (de) |
RU (1) | RU2676489C1 (de) |
WO (1) | WO2016083170A1 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102021114127A1 (de) | 2021-06-01 | 2022-12-01 | Voith Patent Gmbh | Verfahren zur Trocknung und Erhöhung der Querdehnung von einer Deckenpapierbahn in Hochgeschwindigkeits-Papiermaschinen |
DE102022112687A1 (de) | 2022-05-20 | 2023-11-23 | Voith Patent Gmbh | Verfahren und Maschine zur Erhöhung der Querdehnung einer Testliner-Papierbahn in Hochgeschwindigkeits-Papiermaschinen |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3385442B1 (de) * | 2017-04-06 | 2019-04-24 | BillerudKorsnäs AB | Verfahren zur herstellung eines hochdehnbaren papiers |
WO2019136254A1 (en) * | 2018-01-05 | 2019-07-11 | International Paper Company | Paper products having increased bending stiffness and cross-direction strength and methods for making the same |
DE102018121155A1 (de) * | 2018-08-30 | 2020-03-05 | Voith Patent Gmbh | Verfahren und maschine zur herstellung einer mehrlagigen faserstoffbahn |
HU231176B1 (hu) | 2019-03-20 | 2021-06-28 | Celltech-Paper Kft. | Eljárás nedvszívó betétek gyártásakor keletkező, nedves-szilárdító anyaggal legalább részben bevont gyapotszálakat tartalmazó hulladékpapír újrahasznosítására, és az eljárással újrahasznosítható hulladékpapírból készült csomagolóanyag |
DE102019134177A1 (de) | 2019-12-12 | 2021-06-17 | Voith Patent Gmbh | Maschine und Verfahren zur Herstellung einer Faserstoffbahn |
CN112431060B (zh) * | 2020-11-13 | 2022-10-21 | 福建省青山纸业股份有限公司 | 一种环保牛卡纸的生产方法 |
DE102021103519A1 (de) * | 2021-02-15 | 2022-08-18 | Koehler Innovation & Technology Gmbh | Verfahren zur Herstellung einer Faserstoffbahn |
CN112878089B (zh) * | 2021-03-18 | 2023-02-14 | 山鹰纸业(广东)有限公司 | 一种高耐破牛皮纸的制备方法 |
DE102021131068A1 (de) | 2021-11-26 | 2023-06-01 | Voith Patent Gmbh | Verfahren und Maschine zur Herstellung von einer Faserstoffbahn, insbesondere einer Sackkraftpapierbahn, mit erhöhten Dehnungseigenschaften |
DE102022104414A1 (de) | 2022-02-24 | 2023-08-24 | Voith Patent Gmbh | Verfahren und Papiermaschine zur Herstellung von einer Sackkraftpapierbahn mit verbesserter Stauchung beim Weitertransport |
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SE510506C2 (sv) * | 1997-07-09 | 1999-05-31 | Assidomaen Ab | Kraftpapper och förfarande för framställning av detta samt ventilsäck |
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CN2469034Y (zh) * | 2001-03-05 | 2002-01-02 | 华中科技大学 | 双网高效浓缩压榨机 |
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ES2344268T3 (es) * | 2005-12-17 | 2010-08-23 | Voith Patent Gmbh | Procedimiento para dispersar pastas fibrosas de papel. |
CN101148851B (zh) * | 2007-11-01 | 2010-06-02 | 无烟国际文化发展(北京)有限公司 | 绿色再生钞票 |
JP2011099180A (ja) * | 2009-11-06 | 2011-05-19 | Seed:Kk | 古紙再生装置のパルプ濃度調整方法、古紙再生装置のパルプ濃度調整装置および古紙再生装置 |
DE102010029580A1 (de) * | 2010-06-01 | 2011-12-01 | Voith Patent Gmbh | Maschine zur Herstellung einer Papierbahn insbesondere Sackpapierbahn |
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DE102021114127A1 (de) | 2021-06-01 | 2022-12-01 | Voith Patent Gmbh | Verfahren zur Trocknung und Erhöhung der Querdehnung von einer Deckenpapierbahn in Hochgeschwindigkeits-Papiermaschinen |
DE102022112687A1 (de) | 2022-05-20 | 2023-11-23 | Voith Patent Gmbh | Verfahren und Maschine zur Erhöhung der Querdehnung einer Testliner-Papierbahn in Hochgeschwindigkeits-Papiermaschinen |
WO2023222430A1 (de) | 2022-05-20 | 2023-11-23 | Voith Patent Gmbh | Verfahren und maschine zur erhöhung der querdehnung einer testliner-papierbahn in hochgeschwindigkeits-papiermaschinen |
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CN107073865A (zh) | 2017-08-18 |
BR112017010990B1 (pt) | 2021-12-28 |
CN107073865B (zh) | 2020-10-20 |
RU2676489C1 (ru) | 2018-12-29 |
BR112017010990A2 (pt) | 2017-12-26 |
EP3224409B1 (de) | 2021-08-18 |
WO2016083170A1 (de) | 2016-06-02 |
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