WO1998007923A1 - Saugwalze zur bildung oder behandlung einer materialbahn wie insbesondere einer papier-, karton- oder textilbahn - Google Patents
Saugwalze zur bildung oder behandlung einer materialbahn wie insbesondere einer papier-, karton- oder textilbahn Download PDFInfo
- Publication number
- WO1998007923A1 WO1998007923A1 PCT/EP1997/004586 EP9704586W WO9807923A1 WO 1998007923 A1 WO1998007923 A1 WO 1998007923A1 EP 9704586 W EP9704586 W EP 9704586W WO 9807923 A1 WO9807923 A1 WO 9807923A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- suction roll
- support body
- suction
- roll
- casing
- Prior art date
Links
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
- D21F3/0218—Shoe presses
-
- 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
- D21F3/00—Press section of machines for making continuous webs of paper
- D21F3/02—Wet presses
- D21F3/10—Suction rolls, e.g. couch rolls
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B13/00—Machines and apparatus for drying fabrics, fibres, yarns, or other materials in long lengths, with progressive movement
- F26B13/24—Arrangements of devices using drying processes not involving heating
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S162/00—Paper making and fiber liberation
- Y10S162/07—Water collectors, e.g. save-alls
Definitions
- Suction roller for forming or treating a material web, such as a paper, cardboard or textile web in particular
- the invention relates to a suction roller for forming or treating a material web such as, in particular, a paper, cardboard or textile web, with an outer suction roller shell formed by a perforated rotating hollow cylinder and a non-perforated support body penetrating the suction roller shell, on which the suction roller shell at least at one point on it axial expansion is supported in particular against its own weight, the suction force, the tensile force of an outer circumferential belt and / or an external pressing force.
- a material web such as, in particular, a paper, cardboard or textile web
- suction rolls of this type have i.a. the disadvantage that the line force is limited to a relatively low value. These rollers are therefore not suitable, for example, for use in conjunction with deflection compensation rollers.
- the aim of the invention is to provide a suction roll of the type mentioned in the introduction, which can also be used without problems, in particular also in conjunction with associated deflection compensation rolls, and in this case is also particularly suitable for generating higher pressures.
- the suction roller should advantageously also be usable in particular as a suction breast or forming or sieve suction roller.
- the support body has an axially extending, continuous bore concentric with the outer suction roll surface, that this bore is penetrated by an axially extending, rotationally fixed yoke, which is located at both ends outside the support body a chair is supported, and that the support body is supported by at least one preferably hydrostatic and / or hydrodynamic support element on the yoke and can preferably be influenced in its bending line.
- an alternative proposed solution of the invention for a suction roll without ribs is characterized in that the support body has a circular cylindrical outer contour and an axial bore concentric to it, that this bore is penetrated by an axially extending, rotationally fixed yoke, which is attached to both of its yokes Is supported outside of the support body on a frame, that the support body is supported by at least one preferably hydrostatic and / or hydrodynamic support element on the yoke and can preferably be influenced in its bending line and that the support body bears eccentrically on the inner circumference of the suction roll shell, the outer peripheral speed of the support body at least is substantially equal to the inner peripheral speed of the suction roll shell.
- the suction roller now being able in particular to also be assigned one or more shoe press units, with which a higher line force can possibly also be achieved, which can be, for example, over 200 kN / m.
- the invention Suction roller in particular can also be used as a suction breast or forming or sieve suction roller.
- Advantageous possible uses result in particular in connection with the formation of pressure zones in forming cylinders.
- this expanded application in the forming area takes into account the wire tension or the associated roll bending and the adjustment of the wire tension and wire run lengths across the entire machine width, which is possible using a Nipco (deflection compensation roller) control.
- a large load capacity is achieved in particular with wide broad nip counter-rollers due to the direct support of the jacket, whereby the line force can be greater than 200 kN / m, for example.
- the zone control an adjustable deflection or contour of the nip profile is possible, since direct support with a more flexible jacket of the support body formed by a nipco or deflection compensation roller and a more flexible suction roller jacket is possible. Since the suction roll jacket can have a thinner wall thickness due to the direct support without ribs, the suction roll jacket is generally less expensive.
- At least one non-rotating connection is provided on at least one roller end, which is alternately opposed by the sectors formed by the ribs between the suction roller shell and the support body due to the rotation of the roller, the or the sectors opposite the non-rotating connection are sealed against this connection and are connected via this to a pressure or vacuum source, so that different pressures result for the sectors distributed in the circumferential direction.
- unequal suction can deliberately be provided across the width. In practice it can happen, for example, that suction is only carried out at the edge.
- an external suction can be provided in combination with a frontal or internal suction.
- the sectors formed by the ribs between the suction roll jacket and the support body are divided in the direction of the roll axis by at least one radially extending partition into at least two axial sections which can be pressurized separately.
- at least one non-rotating connection is provided at both roller ends and the sectors are divided in the direction of the roller axis by at least two axially spaced partition walls into at least three axial sections which can be pressurized separately.
- the sectors formed between the suction roll jacket and the support body can be connected via a connecting line to a pressure or vacuum source, which are guided radially inside the sectors in the direction of the roll axis axially outwards in at least one axially central roll zone.
- the sectors formed between the suction roll shell and the support body can be connected via a positive or negative pressure box to a pressure or vacuum source which partially surrounds the suction roll shell from the outside.
- the at least one axially central roller zone can be formed in all sectors without sealing ribs extending in the axial direction of the roller.
- the support body is supported on the support body in several radial directions by a plurality of support elements or rows of support elements.
- the support body can be moved radially as a whole together with the suction roll jacket, in order, in particular, to adjust and / or press against a preferably by means of a corresponding lifting movement.
- seals can in particular be provided on the roller ends, which allow a common lifting movement of the support body and the suction roll shell, the direction of the lifting movement preferably coinciding with the effective direction of the resulting load and the at least one inner support element arranged between the yoke and the support body and between the fixed yoke and the support body at least one lifting movable support element is provided.
- the radial effective direction of the at least one support element arranged between the yoke and the support body falls at least essentially with the direction in which the rotating support body is applied to the inner circumference of the suction roller shell, and at least in essentially also together with the direction in which the resulting load of dead weight, tensile force of an outer belt and / or an external pressing force acts on the suction roll jacket.
- suction roll casing is at least partially enclosed from the outside by an overpressure or vacuum box in order to pressurize the space between the suction roll casing and the support body, including the radial bores provided in the suction roll casing.
- the space between the suction roll jacket and the support body can be sealed in the radial direction by at least one extending in the direction of the roll axis and sealed against the inner circumference of the suction roll jacket.
- ter stationary partition can be divided into at least two axial chambers, at least one of which is connected via a connection to at least one roller end to a pressure wave.
- the support body does not contribute to the subdivision of the defined space into at least two axial chambers over its entire axial length.
- the support body can also contribute to the subdivision of the space in question into at least two axial chambers over its axial length and can cooperate with at least one partition by means of elastic sealing elements.
- the suction can thus take place axially, for example, via different chambers within the suction roll shell or via an outer suction box, a combination of these two designs also being conceivable.
- This can be of particular interest if you want to vacuum in a targeted manner and if the splash water drainage channel is used for external suction.
- This reduces the amount of perforated air generated at high machine speeds, since the casing bores are no longer exposed to atmospheric pressure, i.e. were filled under normal air pressure and then had to be evacuated again.
- the advantages of an externally vacuumed suction roller are thus used.
- the support body and the suction roll jacket are radially displaceable relative to one another, in particular in the bearing areas at the roll ends, seals provided in the area of these roll ends permitting such a relative movement.
- the direction of the relative stroke movement concerned preferably coincides with the effective direction of the resulting load and the at least one inner support element arranged between the yoke and the support body.
- separate means can be provided, on the one hand to position and / or to press the suction roll jacket against a counter surface preferably formed by a counter roll and on the other hand to support the support body against the inner circumference of the suction roll jacket.
- the means for positioning and / or pressing the support body can comprise at least one lifting element arranged between the yoke and the supporting body and can be designed such that the supporting body can perform a lifting movement over its entire axial length.
- Sealing can take place in particular in the way that is also the case with deflection compensation rollers (Nipco rollers) with a radially displaceable jacket as a whole.
- Any partition walls that are provided can be attached, for example, to the non-rotating side seals.
- the support body can be provided on its outer surface with circumferential grooves lying in a respective radial plane, spiral circumferential grooves, elevations, bumps, recesses and / or the like, so that there is a discontinuous line of contact or surface between the support body and the inner circumference of the suction roll shell.
- the suction roll jacket it is also conceivable for the suction roll jacket to be provided on its inner circumferential surface with such inner circumferential grooves lying in a respective radial plane, spirally circumferential grooves, elevations, protrusions, recesses and / or the like.
- a layer of an elastic material such as, in particular, plastic and / or the like can be provided on the outside of the support body or on the inside of the suction roll shell in order to dampen vibrations and / or to compensate for unevenness due to deposits.
- the support body prefferably be made entirely of an elastic material such as, in particular, rubber, plastic, plastic with reinforcements such as, in particular, a spiral spring or glass or carbon fibers, i.e. CFK / GFK, and / or the like.
- Both the suction roll according to the invention and the second alternative according to the invention can form, for example, with at least one counter surface an elongated press nip or wide nip, the respective counter surface by means of a shoe press unit, in particular a shoe press roll comprising a circumferential flexible roll jacket, with at least a press shoe preferably having a concave contact surface can be formed.
- a shoe press unit in particular a shoe press roll comprising a circumferential flexible roll jacket, with at least a press shoe preferably having a concave contact surface can be formed.
- the suction of the suction roll jacket is at least one chamber-like Sector takes place within the suction roll shell and at least one outer suction box is provided for the simultaneous suction of the suction roll shell over the remaining circumference of the shell in order to maintain a minimum vacuum in the radial bores of the suction roll shell, the outer suction box preferably also being provided for collecting and forwarding splash water.
- the support body which is constructed in particular in the manner of a deflection compensation roller, can be driven in the manner known per se for such deflection adjustment rollers.
- the suction roll jacket can be driven both via the support body formed by a deflection adjustment roll and also via a felt guided over the suction roll or a counter roll.
- the covering of the holes provided in the suction roll jacket by the support body in the nip area, which forms a kind of deflection compensation roll, is harmless, since no suction takes place in the nip area anyway, after the holes are blocked by the outer surface, for example formed by a counter roll, and the roll on this The position is therefore to be regarded as a blind drilled roller.
- Figure 1 is a schematic cross-sectional view of a first embodiment of a suction roll with a coaxial to the roll axis, via ribs with the Support body connected to the suction roll shell, the suction roll forming an extended press nip with a shoe press roll,
- Figure 2 is a schematic longitudinal sectional view of the in
- FIG. 1 shows the suction roll, an overpressure or vacuum box associated with this suction roll also being recognizable
- FIG. 3 shows a schematic cross-sectional view of a further embodiment of a suction roll with a support body lying eccentrically on the inner circumference of the suction roll casing, the suction roll forming an extended press nip with a shoe press roll and a further press nip with a further counter roll,
- FIG. 4 shows a schematic cross-sectional view of a further embodiment of a suction roll with a support body lying eccentrically on the inner circumference of the suction roll shell, the suction roll wrapped in felt resting on the one hand against a sieve and on the other again forming an extended press nip with a shoe press roll,
- Figure 5 is a schematic cross-sectional view of another embodiment of a suction roll an eccentric support body lying against the inner circumference of the suction roll shell, the suction roll wrapped in felt resting against a sieve and forming an extended press nip with a shoe press roll and a further press nip with another counter roll,
- FIG. 6 shows a schematic, longitudinally sectioned partial view of the suction roll shown in FIG. 5, the partition wall to be seen in FIG. 5 being omitted for the sake of clarity, and
- FIG. 7 shows a schematic cross-sectional view of a further embodiment of a suction roll used as a forming roll with a support body lying eccentrically on the inner circumference of the suction roll casing.
- FIG. 1 shows a schematic cross-sectional view of a first embodiment of a suction roll 20 for forming or treating a material web, in the present case a paper web.
- the suction roll 20 comprises an outer suction roll casing 1 formed by a perforated rotating hollow cylinder, a non-perforated support body 2 passing through the suction roll casing 1, on which the suction roll casing 1 at least at one point of its axial extent, in particular against its own weight, the suction force, the tensile force of an outer circumferential one Band 8, 9 and / or one acting from the outside Press force is supported, and radially between the support body 2 and the suction roll jacket 1 and axially extending over the entire length of the suction roll jacket sealing ribs 11, via which the concentric to the suction roll jacket 1, at the same speed as this rotating support body 2 firmly connected to the suction roll jacket 1 is.
- the support body 2 has an axially extending, continuous bore 19 which is concentric with the support body axis. This bore is penetrated by an axially extending, rotationally fixed yoke 3, which extends at both ends outside the support body 2 a chair of the paper machine in question is supported.
- the support body 2 is supported on the yoke 3 by a plurality of preferably hydrostatic and / or hydrodynamic support elements 4 and can preferably be influenced in its bending line.
- At least one non-rotating connection 14 is provided on at least one roller end, which the sectors 12 formed by the ribs 11 between the suction roller jacket 1 and the support body 2 alternately lie opposite due to the rotation of the roller, the non-rotating connection 14 opposite sectors 12 are sealed off from this connection 14 and are connected to a pressure or vacuum source so that there are different pressures for the sectors 12 distributed in the circumferential direction.
- the sectors 12 formed by the ribs 11 between the suction roll jacket 1 and the support body 2 are in the direction of the roll axis through at least one radially extending partition 13 in at least two axial, chamber-like sections A, B; D divided.
- the sectors 12 are divided in the direction of the roller axis by two axially spaced partition walls 13 into three axial sections which can be pressurized separately, only one of the two partition walls 13 being visible in FIG.
- the sectors 12 (see also FIG. 1) formed between the suction roller shell 1 and the support body 2 are connected via a positive or negative pressure box 15 to a pressure or vacuum source which connects the suction roller shell 1 from the outside partially encloses.
- the axially central roller zone D is formed in all sectors 12 without ribs extending in the axial direction of the roller.
- the support elements 4 are arranged in a row parallel to the roller axis.
- the suction roll 20 forms with a shoe press roll 7 serving as a counter roll a double felted press nip elongated in the direction of travel of the paper web.
- the two felts 8 and 9 guided through this extended press nip can be seen in FIG. 1.
- the support body 2 can be radially displaceable overall together with the suction roll jacket 1, in order to enable, in particular, positioning and / or pressing against the respective counter surface by means of a corresponding lifting movement.
- Seals 16 are provided at the roller ends, which allow a common lifting movement of the support body 2 and of the suction roll shell 1.
- the direction of the lifting movement can preferably coincide with the effective direction of the resulting load and the inner support elements arranged between the yoke 3 and the support body 2. This lifting movement can be brought about, for example, by the lifting elements 4 provided between the fixed yoke 3 and the support body 2.
- FIGS. 3 to 7 each show an embodiment of a suction roller 20 without ribs, in which the support body bears eccentrically on the inner circumference of the suction roller shell 1.
- the respective support body 2 has, as in the exemplary embodiment described above, a circular cylindrical outer contour and a concentric through-going axial bore 19 which is penetrated by an axially extending, rotationally fixed yoke 3, which at both ends outside of the support body 2 on a frame of the relevant paper machine is supported.
- the support body 2 again supported by several, preferably hydrostatic and / or hydrodynamic support elements 4, arranged in a row parallel to the roller axis, on the yoke 3 and can preferably be influenced in its bending line.
- the support body 2 is thus again designed in the manner of a deflection compensation roller, in which case the jacket of this support body 2 rolls loosely, ie without any special mechanical fastening, in the suction roller jacket 1.
- the suction roll 20 forms, with a shoe press roll 7, a press nip which is extended in the web running direction of the material web and is double felted again with the two felts 8, 9.
- the suction roll 20 forms a further press nip, which in this case is not lengthened, with a counter roll 6 having a rigid roll jacket.
- the suction roll 20 wrapped in a felt 8 rests on the one hand on a wire 10 of a wire section and on the other hand on a shoe press roll 7, with which it again forms a press nip which is extended in the web running direction of the material web.
- the suction roll 20 which is wrapped in a felt 8, again bears against a wire 10 of a wire section.
- a shoe press roll 7 wrapped around by a felt 9 it again forms a press nip which is extended in the web running direction of the material web and is double felted with the two felts 8 and 9.
- An end region of this suction roll 20 is shown in longitudinal section in FIG.
- the suction roll serves as a forming roll, over which both a wire belt 8 and the wire 10 are guided, the fiber suspension supplied by a headbox 22 in the manner shown in that between the belt 8 and the wire 10 formed gap is introduced.
- the material web 18 formed is then continued with the belt 8.
- the radial effective direction of the support elements 4 arranged between the yoke 3 and the support body 2 coincides with the direction in which the rotating support body 2 is applied to the inner circumference of the suction roll shell 1.
- the expanded application in the forming area shown in FIG. 7 is also about the wire tension or the associated roll bending and the possible adjustment by the Nipco control. Adjust of the screen tension and screen run lengths across the entire machine width.
- the seal between the support body 2 provided in the form of a deflection compensation roll or nipco roll and the suction roll casing 1 can be seen in a sketchy manner in FIG.
- the partitions 5 are fastened to the non-rotating side seals 17 (see Figure 6).
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Paper (AREA)
- Replacement Of Web Rolls (AREA)
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT97942871T ATE201070T1 (de) | 1996-08-22 | 1997-08-22 | Saugwalze zur bildung oder behandlung einer materialbahn wie insbesondere einer papier-, karton- oder textilbahn |
DE59703516T DE59703516D1 (de) | 1996-08-22 | 1997-08-22 | Saugwalze zur bildung oder behandlung einer materialbahn wie insbesondere einer papier-, karton- oder textilbahn |
JP10510433A JP2000516668A (ja) | 1996-08-22 | 1997-08-22 | 特にペーパウェブ、ボール紙ウェブ又は繊維ウェブのような材料ウェブを形成又は処理するサクションローラ |
US09/147,710 US6200427B1 (en) | 1996-08-22 | 1997-08-22 | Suction roll for the formation or treatment of a material web, such as in particular a paper, card or textile web |
CA002263860A CA2263860A1 (en) | 1996-08-22 | 1997-08-22 | Suction roll for forming or treating a material web, in particular a paper, cardboard or textile web |
EP97942871A EP0923659B1 (de) | 1996-08-22 | 1997-08-22 | Saugwalze zur bildung oder behandlung einer materialbahn wie insbesondere einer papier-, karton- oder textilbahn |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19633958.8 | 1996-08-22 | ||
DE19633958A DE19633958A1 (de) | 1996-04-03 | 1996-08-22 | Saugpreßwalze |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1998007923A1 true WO1998007923A1 (de) | 1998-02-26 |
Family
ID=7803407
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP1997/004586 WO1998007923A1 (de) | 1996-08-22 | 1997-08-22 | Saugwalze zur bildung oder behandlung einer materialbahn wie insbesondere einer papier-, karton- oder textilbahn |
Country Status (6)
Country | Link |
---|---|
US (1) | US6200427B1 (de) |
EP (1) | EP0923659B1 (de) |
JP (1) | JP2000516668A (de) |
AT (1) | ATE201070T1 (de) |
CA (1) | CA2263860A1 (de) |
WO (1) | WO1998007923A1 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6325894B1 (en) | 1998-01-21 | 2001-12-04 | Voith Sulzer Papiertechnik Patent Gmbh | Press section and method of using the same |
CN108489207A (zh) * | 2018-03-28 | 2018-09-04 | 余燕秀 | 一种快速的纺织干燥设备 |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19902139A1 (de) | 1999-01-20 | 2000-07-27 | Voith Sulzer Papiertech Patent | Pressenanordnung |
DE19904576A1 (de) | 1999-02-04 | 2000-08-10 | Voith Sulzer Papiertech Patent | Pressenanordnung |
DE102004052157A1 (de) * | 2004-10-26 | 2006-04-27 | Voith Fabrics Patent Gmbh | Maschine zur Herstellung einer Materialbahn |
DE102007024508A1 (de) * | 2007-05-25 | 2008-11-27 | Voith Patent Gmbh | Schuhsaugpresswalze |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE227223C (de) * | ||||
DE1156304B (de) * | 1958-08-14 | 1963-10-24 | Voith Gmbh J M | Verfahren und Vorrichtung zum Entwaessern von aufgeschwemmten Faserstoffen zur Herstellung von Papier- oder Kartonbahnen |
FR2364291A1 (fr) * | 1976-09-13 | 1978-04-07 | Valmet Oy | Procede et dispositif pour soumettre, dans une machine a papier, un feutre, une toile metallique et/ou une couche de suspension de fibres a une action d'aspiration |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3121969C2 (de) * | 1981-05-11 | 1985-10-24 | Sulzer-Escher Wyss GmbH, 7980 Ravensburg | Entwässerungswalze einer Siebpresse |
US4974340A (en) * | 1989-10-31 | 1990-12-04 | Beloit Corporation | Vacuum guide roll apparatus |
US5076894A (en) * | 1990-05-04 | 1991-12-31 | Simmons Holt W | Suction box apparatus with composite cover elements mounted in slots on cross braces |
-
1997
- 1997-08-22 WO PCT/EP1997/004586 patent/WO1998007923A1/de active IP Right Grant
- 1997-08-22 CA CA002263860A patent/CA2263860A1/en not_active Abandoned
- 1997-08-22 US US09/147,710 patent/US6200427B1/en not_active Expired - Fee Related
- 1997-08-22 JP JP10510433A patent/JP2000516668A/ja active Pending
- 1997-08-22 EP EP97942871A patent/EP0923659B1/de not_active Expired - Lifetime
- 1997-08-22 AT AT97942871T patent/ATE201070T1/de not_active IP Right Cessation
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE227223C (de) * | ||||
DE1156304B (de) * | 1958-08-14 | 1963-10-24 | Voith Gmbh J M | Verfahren und Vorrichtung zum Entwaessern von aufgeschwemmten Faserstoffen zur Herstellung von Papier- oder Kartonbahnen |
FR2364291A1 (fr) * | 1976-09-13 | 1978-04-07 | Valmet Oy | Procede et dispositif pour soumettre, dans une machine a papier, un feutre, une toile metallique et/ou une couche de suspension de fibres a une action d'aspiration |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6325894B1 (en) | 1998-01-21 | 2001-12-04 | Voith Sulzer Papiertechnik Patent Gmbh | Press section and method of using the same |
US6361658B2 (en) | 1998-01-21 | 2002-03-26 | Voith Sulzer Papiertechnik Patent Gmbh | Press section |
CN108489207A (zh) * | 2018-03-28 | 2018-09-04 | 余燕秀 | 一种快速的纺织干燥设备 |
Also Published As
Publication number | Publication date |
---|---|
EP0923659A1 (de) | 1999-06-23 |
EP0923659B1 (de) | 2001-05-09 |
US6200427B1 (en) | 2001-03-13 |
JP2000516668A (ja) | 2000-12-12 |
CA2263860A1 (en) | 1998-02-26 |
ATE201070T1 (de) | 2001-05-15 |
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