EP2217759A1 - Verfahren und vorrichtung zum überführen einer papierbahn von einem stützgewebe auf ein anderes - Google Patents
Verfahren und vorrichtung zum überführen einer papierbahn von einem stützgewebe auf ein anderesInfo
- Publication number
- EP2217759A1 EP2217759A1 EP07847207A EP07847207A EP2217759A1 EP 2217759 A1 EP2217759 A1 EP 2217759A1 EP 07847207 A EP07847207 A EP 07847207A EP 07847207 A EP07847207 A EP 07847207A EP 2217759 A1 EP2217759 A1 EP 2217759A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- web
- fabric
- suction
- paper web
- press
- 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
- 238000000034 method Methods 0.000 title claims abstract description 36
- 239000002759 woven fabric Substances 0.000 title abstract 4
- 238000012546 transfer Methods 0.000 claims abstract description 76
- 230000008859 change Effects 0.000 claims abstract description 4
- 239000004744 fabric Substances 0.000 claims description 56
- 238000000926 separation method Methods 0.000 claims description 4
- 230000009471 action Effects 0.000 claims description 2
- 229910010293 ceramic material Inorganic materials 0.000 claims description 2
- 230000000284 resting effect Effects 0.000 claims description 2
- 230000032258 transport Effects 0.000 claims description 2
- 239000012530 fluid Substances 0.000 claims 1
- 238000010276 construction Methods 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F2/00—Transferring continuous webs from wet ends to press sections
-
- 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
- D21F1/48—Suction apparatus
-
- 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
Definitions
- the subject of the present invention is a method and a device for transferring the paper web from one support fabric to the other.
- the method according to the invention and the device according to the invention are thus suitable, for example, for transferring the web from the wire section onto the press felt and from the press felt into the dryer section.
- the method and the device are particularly advantageous when transferring the paper or card web from the first press of the press section of the paper, board or other corresponding machine into the second press.
- the method and device according to the invention can also be used at all or almost all locations in a paper machine, where the web is transferred from one fabric to another.
- the press section following the wire section of the paper machine usually consists of two presses arranged one behind the other, in which the paper web is mostly transported by at least one felt, more generally supported by a fabric from one press nip to the other, the paper web also over part of the way running between two tissues.
- the term "fabric” can also be understood as meaning a transfer belt
- the first press nip in the second press ie the second press nip must first be detached from the first, for example, upper felt of the first press and adhered to the second, for example, lower felt.
- the web, carried by said second felt is guided to the second press where it is placed on the felts of the second press. This is basically done in such a way that the web is first brought into contact with the first felt of the second press and then detached from the second felt of the first press, adhered to the first felt of the second press and in contact with the second felt of the second Press is brought.
- Critical places in the web guide are those places where the web is detached from a felt and transferred to the next fabric. If the detachment of the web is not done carefully, there is a risk of web breaks or web breaks.
- the location of detachment, i. Lifting the web is usually at a felt guide roller, which rotates around a felt of the first press, while the other felt continues its way relatively straight past the roller.
- the first felt circulates around the roll, the web naturally has a centrifugal force which is dependent on the roll diameter and the roll speed, but in any case is relatively large, which, of course, tends to detach the web from the first felt.
- suction rolls and transfer suction boxes their use for example in US 5,888,354. Both types operate in principle so that suction is applied to the web by the felt continuing to support the web so that the web is released both from the felt located on the side opposite the suction device and at the suction side of the suction device Felt sticks.
- Suction rolls are in themselves reliable devices, the use of which generally causes no problems in actually detaching the web from the first felt or holding the web to the second felt.
- suction rolls problems of another kind in appearance First, adjusting the Saugsektorweite designed in suction rolls consuming and complicated, and secondly, suction rollers are expensive to buy, in operation and in maintenance.
- the transfer suction box as a second option is considerably cheaper to buy and operate.
- U.S. Patent No. 4,113,557 the use of the transfer suction box to detach / lift the paper web from the wire is treated.
- this document is set out in detail how the paper web is guided together with wire and felt around the roller. In the vicinity of the roller, but behind this a transfer suction box is arranged, with which the web is detached from the wire.
- the felt and the transfer suction box are arranged so that the felt and, with it, the web through the transfer suction box are at an angle of less than 45 degrees is distracted.
- the felt web experiences a curvature, which leads to increased wear of both the lid and the felt.
- the transfer suction box can not be used in very fast paper machines because, as already mentioned above, the lid of the suction box and also the felt running over it wear out.
- the felt barrel is traditionally set up so that the felt on the suction box changes its direction of travel and the felt is pressed against the suction box lid due to its tension.
- both the above-mentioned change of the felt running direction on the suction box and the vacuum of the suction box suck the felt against the suction box lid, resulting in rapid wear of both the felt and the suction box lid.
- This wear is reinforced when the felt runs at high speed over the suction box lid. For this reason, with the increasing speed of paper machines, the use of the transfer suction box has been steadily reduced.
- the present invention seeks to remedy shortcomings of the prior art devices by providing a new type of solution for safely transferring the paper web from one support fabric to another.
- Said solution comprises a method and a suitable device and is based on the use of a transfer suction box such that the speed of the machine no longer has any influence on the wear of the box lid or the felt. This object is achieved with regard to the method with a method according to claim 1 and with regard to the device with a device according to claim 15.
- (008) In a solution according to the invention, there is no significant change of direction of the fabric / paper web towards the cover on the transfer suction box, so that the tension of the web / fabric does not cause any force directed towards the suction box.
- the only load which may be applied to the sack box cover is the suction force caused by the vacuum of the suction box.
- the tissue does not touch the suction box at all, so that said wear problem is eliminated.
- the required train of the paper web can be generated at the transfer point to ensure the safe web run.
- Suction box alone as a construction is more advantageous than the suction roll, not to mention the operation and energy consumption;
- rollers can be the same
- a slot located in the lid of the suction means or a series of discrete openings extending transversely of the paper web is placed beginning at the plane passing through the axial centerline of the guide roll and through the line from which the paper web begins to follow from the guide roll triggers, runs.
- the slot or the row of discrete openings may be longer than the width of the paper web and be shorter than the width of the located on the side of the suction device tissue.
- suction is applied to the entry nip of the guide roll where the overpressure tends to dislodge the web from the guide roll side fabric.
- suction means for releasing the web W from the first web, the web then being carried by the second web; is on the side opposite to the suction device of the web and the fabric located guide roller with which the fabric from which the web has been peeled, is transported, it is characteristic that said suction from a transfer suction box with a lid and one or more suction slots or a or a plurality of rows of discrete apertures transverse to the fabric elevation in that lid, and such suction box is disposed on the guide roll such that one of the slots of the lid substantially abuts that portion of the guide roll where the roll surface is away from the direction of the carry suction box side fabric begins to diverge, wherein at least one of the slots or one of the series of openings extends below the tissue over a width greater than the width of the web resting on the tissue.
- the slot or row of discrete openings is shorter than the width of the tissue located on the side of
- one of the slots of the lid is located at the inlet gusset of the guide roller.
- Fig. 1 a for transferring the paper web of a
- Fig. 2 shows another for transferring the paper web from a backing fabric to another prior art device
- Fig. 3 is a general view of a press section of a paper machine having some preferred embodiments of the invention.
- Fig. 4 shows an alternative embodiment of the machine of Fig. 3;
- FIG. 5 shows a device for transferring the paper web from one supporting fabric to another according to a first and a second preferred embodiment of the invention
- Fig. 6 shows a device for transferring the paper web from a supporting fabric to another according to a third and a fourth preferred embodiment of the invention
- 7 shows a more detailed illustration of the cover solution of the suction box solution to be used in the device according to a preferred embodiment of the invention
- Fig. 8 is a view of a portion of the fabric with web held thereon and a suction box with a slot
- Fig. 9 is a side view of a suction box with a slot to illustrate the position of the slot with respect to the guide roller.
- Figure 1 shows a partial view of a prior art paper machine press section treated in U.S. Patent No. 5,888,354, including the apparatus for transferring the paper web from one press-forming part to the other.
- the press section shown in the drawing consists of a first press 10 and a second press 20.
- the first press is formed in the drawing by the shoe roll 12 and its counter roll 14, by the nip of the paper web lying between two felts 32 and 34 in the illustration running from left and right.
- the first felt 32 runs as a loop, within which the shoe roll 12 is located, around the in this case adjustable felt guide roll 16 and continues its way upwards.
- the second felt 34 in turn passes over the counter-roller 14.
- the paper web W is detached by means of the transfer suction box 18 on the route between the counter-roller 14 and the felt-guiding roller 16 from the first felt 32.
- the suction of the suction box 18 is applied to the web W through the second felt 34 to release the web from the first felt 32. Since at the same time the running direction of the first felt 32 no longer leads along the lid of the suction box 18, but slightly runs higher, the detachment of the paper web W succeeds easily from the first felt.
- the suction of the suction box 18 also ensures that the paper web W adheres to the second felt 34.
- the second felt 34 is raised by means of the suction box 18 so as to ensure that the second felt is constantly in contact with the lid of the suction box 18, which in turn ensures that a uniform suction is constantly applied to the paper web W. that reliably holds the web W on the second felt 34.
- a procedure is associated with a relatively high wear load of the suction box lid, as a result of which both the lid and the press felt wear out quickly. This is the case especially at higher production speeds, eg over 1100 m / min.
- the paper web W, lying on the second felt 34, is guided into the second part 20 of the press section, ie into the second press, which is represented in the drawing by the third felt 22 and the transfer suction roll 24.
- the transfer suction roll 24 serves to lift the paper web from the second felt 34 of the first press 10 before this second felt 34 is passed down the roll 26.
- the suction roll removes the paper web from the second felt 34 in the same manner as described above in connection with the transfer suction box 18.
- the third felt 22 here representing the second press 20 transports the paper web W until the fourth felt (not shown) assigned to the second press is added from below, the paper web then being again located between two felts.
- FIG. 2 there is shown a fully corresponding paper machine press section also treated in U.S. Patent 5,888,354, wherein the same reference numerals designate the same components.
- the only difference with respect to the solution shown in Fig. 1 is that the transfer suction box 18 shown in Fig. 1 is now replaced by the suction roller 18 ', with the same function as with the suction box 18 is achieved. In this solution eliminated by the rotating suction roller 18 'the problem of felt and the Saugkastendeckel wear.
- FIG. 3 shows a general view of a device according to the invention, ie a press section of a paper machine comprising a preferred embodiment of the invention.
- the press section in Fig. 3 consists of the first press 40 built around the first press nip 42 and the second press 60 built around the second press nip 62.
- the web W for example, carried by the wire 44, comes out of the wire section of the paper machine the first press 40. From the wire 44, the web is brought onto the first press felt 46 by means of the transfer suction box 48 and the guide roll 50.
- the web W supported by the first press felt 46 is fed into the press nip 42 between said felt 46 and the press felt 52.
- the web located between the felt 46 and the press felt 52, passes to the guide roll 54, where the web is removed from the press felt 52 by means of the transfer suction box 56 located on the opposite side of the web from the guide roll 54.
- the press felt 52 continues its way down, and the web is guided by the press felt 46 to the second press 60.
- the web is first brought into contact with a third press felt 66 before the press nip 62, then detached from the press felt 46 by means of the transfer suction box 68 and laid down on the third press felt 66. Thereafter, the web, between the third press felt 66 and the first transfer belt 72 located, passed through the second press nip 62.
- the press felt 66 is released from the web and deflected at the guide roller 70.
- the web has a large adhesion to the transfer belt 72 so as to follow the path of the transfer belt 72.
- the web is brought into contact with a dry transfer felt 166 and deposited on the transfer felt 166 by means of the transfer suction box 169. This conveys the web further into the dryer section of the machine.
- Fig. 4 shows a very similar construction of a press section of a paper machine, wherein the same reference numerals as in Fig. 3 are used for the designation of functionally identical parts.
- the web is here transferred from the transfer belt 72 to the dry or transfer felt 166 with the aid of a suction roll 170.
- the paper web passes between the first press felt 46 and the second press felt 52 coming to the left to the felt guide roller 54 of the pressing devices, ie the Example may consist of a shoe press or a roller press.
- a transfer suction box 56 is arranged in the roller 54, the cover 80 of which has two slots 82 and 84 in the embodiment shown.
- the first slot 82 viewed in the direction of web travel is preferably located exactly at the guide roller 54.
- the slot may also be at the entry gusset (left in the drawing) or, relative to the roller 54, at the location of the web where the first press felt 46 is the surface following the roller 54, a direction that deviates from the direction of the second press felt, that is to say it is arranged on the outlet gusset (on the right in the drawing).
- the first slot 82 may begin at the plane passing through the axial centerline of the guide roller 54 and through the line at which the paper web is released from the felt 46 beginning to follow the guide roller 54. It should also be noted that the number of slots is also decisive for their placement. In other words, the more slots there are, the farther away from the guide roller location may be the outermost slots.
- the transfer suction box 56 is adapted to peel the paper web from the first felt 46 following the surface of the guide roll 54 and hold it against the surface of the second press felt 52.
- a second slot (not shown) in the lid 80 of the transfer suction box 56 behind the release point serves the purpose of securing the adherence of the web to the fabric 52 even after the actual release operation;
- the web can be held to the fabric 52 through conventional vacuum boxes 58 to the guide roll 64 of the third press felt 66 of the second press 60.
- Essential to the placement of the transfer suction box 56 according to the first embodiment of this invention is in addition to the arrangement of the first slot 82 of the suction box lid 80 so that it at least substantially at the point where the press felt 46 and the paper web W from each other , begins - is preferably the suction point on the previous inlet gusset - also that the lid 80 of the suction box 56 is flat or (in the case that the lid follows the shape of the roll surface) is preferably concave, and that the course the lid 80 of the suction box 56 coincides with the course of the fabric 52.
- the Saugkastendeckel 80 causes no directional changes of the fabric 52, but the press felt 52 moves from the guide roller 54 from exactly in the direction determined by the guide roller 64 of the second press 60 direction.
- FIG. 5 On the right side in Fig. 5, as a second preferred embodiment of the invention, it is also shown how the web is detached from the second press felt 52 and brought to adhere to the third press felt 66. This is done by arranging within the second press felt loop a guide roll 70 around which the press felt 52 is guided, while at the same time the transfer suction box 68 located within the third press felt loop 66 at the guide roll 70 lifts the web from the press felt 52 and onto the press felt 66 transferred.
- the cover 86 of the transfer suction box 68 corresponding to this second embodiment has only one slot 88, this slot 88 having to be placed in the web running direction at the point where the press felt 52 separates from the press felt 66.
- transfer suction box solutions according to a third and fourth preferred embodiment of the invention in the transfer of the paper web from the first to the second press nip of the paper machine are shown in FIG.
- the paper web located between the first press felt 46 and the second fabric 52, arrives from the left as far as the guide roll 54.
- a transfer suction box 56 is provided on the side of the fabric 52 in the roll 54 arranged, the lid 90 is concave-shaped and in the embodiment shown four slots 92, 94, 96 and 98 has.
- the placement and operating principle of the last two slots 96 and 98 are substantially the same as those of the slots 82 and 82 of the previously described embodiment, ie, they serve to release the web from the first press felt 46 (slot 96) and hold the web on the web Fabric 52 (slot 98). Since there are overpressure in the inlet gusset, the slots located in this area serve the purpose of detaching the web from the first press felt 46 already in front of the guide roller 54. The suction prevailing in the slots 92 and 94 enhances the differential pressure exiting the web from the felt. As in the previously discussed embodiment, also in this embodiment, the lid 90 of the transfer suction box has the same course as the fabric 52.
- FIG. 6 the transfer of the paper web from the second felt 52 to the third press felt 66 is shown. This process begins with the peeling of the paper web from the second press felt 52.
- the lid 100 of the transfer suction box 68 is constructed differently is. In the embodiment in Fig. 5, the lid 100 has two slots 102 and 104, which are placed so that the first slot 102 in the region of the inlet yoke of the guide roller 70 (ie on the side of the incoming web) and the second slot 104 in Area is the exit corner.
- the slits 102 and 104 serve the purpose of first releasing the web from the press felt 52 (102) and then adhering it to the third press felt 66 (104).
- a web having a dry content of 16% showed a good transfer history.
- the dry content should not be below 25%.
- the width of the usually one to five slots 114 and 116 in the lid 112 of the box 110 shown in Fig. 7 is on the order of 5-20 mm. It has been found that with larger slot widths the felt bends into the slot, resulting in both slot and felt wear. Also, then the Sog pressure increases significantly.
- the cover strips 118 are preferably made of ceramic material and are rounded at their edges to minimize wear of the strips 118 and the felt. In certain cases, plastic strips can also be considered.
- the strips 118 are inserted into holders 120, which are fastened by means of a form-fitting connection to counter profiles 122 of the suction box 110 in order to be able to exchange the strips 118 easily.
- the strips are resiliently mounted, this can, for. B. by a gas-filled tube (not shown) can be achieved, in Fig. 7 between the Holder 120 and the counter-profile 122 would be inserted. This spring action prevents a shock on the strips when suddenly a thicker lump of paper between the suction box and the guide roller device, z. B. lies between the felts.
- either the guide roller or the box or possibly both elements are arranged adjustable.
- Fig. 8 shows a transfer point similar to the transfer between press felt 46 and press felt 52 in Fig. 5, but here is only one slot 82 in
- Transfer suction box 56 shown.
- the illustration shows a view from below in Fig. 5, wherein press felt 46 and guide roller 54 have been omitted.
- the press felt 52, the slit 82 and the web W have a decreasing width in this order.
- the felt is wider than the slot and the slot is wider than the track.
- an air layer is extracted in an edge region 200 on both sides of the web W.
- Slidable side shutters 182 allow the width of the slot 82 to be adjusted to adjust the width of the extracted air layer.
- the lateral projection of the press felt 52 over the slot 82 is greater than the projection of the slot 82 over the web W.
- the dimension Y can preferably be greater than X in FIG.
- slit may also be implemented as one or more series of discrete openings extending in the transverse direction of the web (width direction).
- the openings are circular holes or short slots or the like.
- Fig. 9 shows a schematic side view of a transfer point to which the invention is applied. Clearly seen here is the position of the slot 82 with respect to a separation point P at which the directions of the two felts 46 and 52 begin to deviate from one another. Shown is also a spring-mounted storage of the slot 82 in the lid of the suction box 56 limiting strips 118. As indicated schematically, a preferably compressed air-filled hose 180 is provided which carries the bar 118.
- Fig. 9 shows a gauge Z which can be adjusted between the lid of the suction box 56 (shown here as the upper edge of the strips 118) and the web-receiving felt 52. It has been found that good results are obtained in the transfer of the web, even if there is a distance (dimension Z) between the suction box lid and the receiving felt. Good results have been obtained for values of Z in the range of 0.5 to 5 mm and in particular in the range of 1 to 3 mm.
- the devices described operate at pressures in the suction box which are from 1 to 40 kPa and in particular from 15 to 35 kPa below the ambient pressure.
- the device according to the invention and the method according to the invention can be used not only for the transfer of the web within the press section described here by way of example, but also in connection with other web transfer stations of the paper machine. It is further understood that although the invention has been referred to exclusively as paper machines above, the invention is equally applicable to carton, tissue and pulp machines. Thus, the term "paper” also includes cardboard as a subgroup, and generally speaking, the invention is therefore suitable for all objects in which a material web is transferred from one support fabric to another.
Landscapes
- Paper (AREA)
Description
Claims
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/EP2007/062512 WO2009065433A1 (de) | 2007-11-19 | 2007-11-19 | Verfahren und vorrichtung zum überführen einer papierbahn von einem stützgewebe auf ein anderes |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2217759A1 true EP2217759A1 (de) | 2010-08-18 |
EP2217759B1 EP2217759B1 (de) | 2011-06-29 |
Family
ID=38895978
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP07847207A Active EP2217759B1 (de) | 2007-11-19 | 2007-11-19 | Vorrichtung zum überführen einer papierbahn von einem stützgewebe auf ein anderes |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP2217759B1 (de) |
CN (1) | CN101868578B (de) |
AT (1) | ATE514814T1 (de) |
DE (1) | DE102008043294A1 (de) |
WO (1) | WO2009065433A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT508470B1 (de) * | 2008-03-28 | 2012-04-15 | Metso Paper Inc | Verfahren und vorrichtung zum übertragen einer faserbahn von einem stützgewebe zu einem anderen |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102007027270A1 (de) * | 2007-06-11 | 2008-12-18 | Voith Patent Gmbh | Verfahren und Maschine zur Herstellung einer einseitig glatten Papierbahn |
DE102011082159A1 (de) * | 2011-09-06 | 2013-03-07 | Voith Patent Gmbh | Vorrichtung zur Übergabe und Stabilisierung einer Faserstoffbahn |
DE102011082161A1 (de) * | 2011-09-06 | 2013-03-07 | Voith Patent Gmbh | Pressenpartie einer Maschine zur Herstellung einer Faserstoffbahn |
AT514702B1 (de) * | 2014-02-17 | 2015-03-15 | Jud Ag Papiermaschinen | Anlage zur Förderung von Materialien, Produkten u.dgl. mit mindestens einem in sich geschlossenen Förderband |
CN107558287A (zh) * | 2017-09-28 | 2018-01-09 | 浙江兰良实业有限公司 | 用于玻璃纤维纸生产线上成型加工和烘干加工工序间的中转装置 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1530246A (en) | 1976-04-14 | 1978-10-25 | Valmet Oy | Method of and means for detaching and conducting a paper web in a paper-making machine |
FI60897C (fi) * | 1978-06-16 | 1982-04-13 | Valmet Oy | Foerfarande och anordning i en pappersmaskin foer loesgoering av banan fraon en formningsvira och foer oeverfoering av densamma till en till presspartiet hoerande vaevnad |
US4561938A (en) * | 1984-02-17 | 1985-12-31 | M/K Plank Corporation | Forming roll apparatus |
FI83103C (fi) * | 1987-06-30 | 1992-12-15 | Tampella Oy Ab | Anordning foer att styra en mellan virorna gaoende bana upp pao en vira |
FI110440B (fi) | 1996-04-04 | 2003-01-31 | Metso Paper Inc | Rainan siirto paperikoneen kaksihuopaisesta viimeisestä puristinnipistä seuraavalle kuivatusosalle |
DE19644110A1 (de) * | 1996-10-31 | 1998-05-07 | Voith Sulzer Papiermasch Gmbh | Saugkasten |
FI965277A (fi) * | 1996-12-31 | 1998-07-01 | Valmet Corp | Paperikoneen imulaatikko ja menetelmä paperikoneen imulaatikossa |
AU6448098A (en) * | 1997-03-31 | 1998-10-22 | Beloit Technologies, Inc. | Apparatus for removing fluid from a fibrous web |
DE10333525A1 (de) * | 2003-07-23 | 2005-02-17 | Voith Paper Patent Gmbh | Anordnung zur Trennung und/oder Überführung einer Faserstoffbahn |
-
2007
- 2007-11-19 WO PCT/EP2007/062512 patent/WO2009065433A1/de active Application Filing
- 2007-11-19 CN CN200780101618.5A patent/CN101868578B/zh active Active
- 2007-11-19 AT AT07847207T patent/ATE514814T1/de active
- 2007-11-19 EP EP07847207A patent/EP2217759B1/de active Active
-
2008
- 2008-10-29 DE DE102008043294A patent/DE102008043294A1/de not_active Withdrawn
Non-Patent Citations (1)
Title |
---|
See references of WO2009065433A1 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT508470B1 (de) * | 2008-03-28 | 2012-04-15 | Metso Paper Inc | Verfahren und vorrichtung zum übertragen einer faserbahn von einem stützgewebe zu einem anderen |
Also Published As
Publication number | Publication date |
---|---|
CN101868578A (zh) | 2010-10-20 |
WO2009065433A1 (de) | 2009-05-28 |
ATE514814T1 (de) | 2011-07-15 |
CN101868578B (zh) | 2012-12-26 |
DE102008043294A1 (de) | 2009-05-20 |
EP2217759B1 (de) | 2011-06-29 |
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