EP0763623B1 - Bande pour machines à papier - Google Patents

Bande pour machines à papier Download PDF

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Publication number
EP0763623B1
EP0763623B1 EP96114278A EP96114278A EP0763623B1 EP 0763623 B1 EP0763623 B1 EP 0763623B1 EP 96114278 A EP96114278 A EP 96114278A EP 96114278 A EP96114278 A EP 96114278A EP 0763623 B1 EP0763623 B1 EP 0763623B1
Authority
EP
European Patent Office
Prior art keywords
paper
making machine
belt according
machine belt
link
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP96114278A
Other languages
German (de)
English (en)
Other versions
EP0763623A1 (fr
Inventor
Klaus Dieter Dörpmund
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Heimbach GmbH and Co KG
Original Assignee
Thomas Josef Heimbach and Co GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Thomas Josef Heimbach and Co GmbH filed Critical Thomas Josef Heimbach and Co GmbH
Publication of EP0763623A1 publication Critical patent/EP0763623A1/fr
Application granted granted Critical
Publication of EP0763623B1 publication Critical patent/EP0763623B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F1/00—Wet end of machines for making continuous webs of paper
    • D21F1/0027—Screen-cloths
    • D21F1/0072—Link belts

Definitions

  • the invention relates to a paper machine belt, which as Link belt in particular for paper machines Hinge wires extending transversely and with themselves extending in the longitudinal direction, at least two each adjacent hinge wires surrounding link elements is formed, link elements across the width the link belt in the longitudinal direction by at least one Hinge wire are offset.
  • Such a paper machine belt is in US-A-4,469,221 disclosed. It has a variety of transverse, hinge wires circular in cross section, which are connected by link elements. They are one Variety of differently shaped link elements shown all through openings at their ends for holding two adjacent hinge wires exhibit. The through openings are slotted, so that the through openings are widened can. This allows using the link elements by moving the hinge wires perpendicular to to snap their longitudinal axes. It can therefore even individual link elements within an entire Link bands to be replaced.
  • This paper machine belt can because of the slotted Through holes have limited stability in Train direction can be reached. There is a risk of Widening the through openings and breaking the the arches delimiting the through openings of the link elements.
  • the air permeability is just in the area where a link belt is mainly used comes, namely in the dryer section of a paper machine, an essential property and must therefore have it set to an optimal value.
  • wire link belts are known, such as they can be found, for example, in US Pat. No. 4,395,308, EP-A-0 050 374, EP-A-0 128 496, EP-B-0 292 700, EP-A-0 112 432, EP-A-0 472 072, EP-A 0 171 891, EP-B-0 211 471 and DE-A-24 19 751.
  • wire link belts also have a multitude of them in the transverse direction extending hinge wires, the hinge wires not only circular, but also flat oval or can have rectangular or bone-shaped cross sections.
  • the hinge wires are used in wire link belts connected by wire spirals, each embrace two adjacent hinge wires and in Direction of the hinge wires progressing helically extend. They comb with neighboring ones Wire helices.
  • wire link belts there is the possibility between two hinge wires in each of the to install filling elements in the space surrounding the wire helices, in order to make the air permeability generally too great targeted reduction (cf. EP-A-0 050 374, EP-B-0 292 700, EP-A-0 128 496, DE-A-24 19 751).
  • wire link belts that is the manufacture is not easy.
  • the wire helices are manufactured by plastic deformation under the influence of heat, so that only thermoplastics can be used for this.
  • DE-A-1 950 302 describes a conveyor belt for production described by sponges or sponge cloths, which is designed as a mesh that largely consists of dimensionally stable cross bars and made of spirals or single chain links consists of the cross bars overlapping each other Connect in a loop-like and flexible manner. With that faster and more even coagulation of the the viscose mass applied to the conveyor belt can be achieved.
  • the invention has for its object a paper machine belt of the type mentioned at the beginning that it is particularly tensile that the air permeability can be adjusted and that it is simple using non-thermoplastic materials can be made.
  • link elements as ring elements with one each single ring opening are formed, at least encloses two adjacent hinge wires.
  • the basic idea of the invention is as link elements Use ring elements on the hinge wires be pushed one behind the other and at least in each case enclose two adjacent hinge wires.
  • ring elements of the invention high stability, especially in the direction of tension of the link belt.
  • the damage to one of the link elements is not critical, because the damage cannot continue.
  • the ring openings of the ring elements also open the Possibility to include filler elements to thereby Air permeability of the paper machine belt on one set the desired value.
  • the height of the ring openings over their extension in the longitudinal direction is constant, the height of the ring openings it should match hinge wires.
  • the height of the ring openings it should match hinge wires there are other shapes of ring openings are also conceivable.
  • the ring elements above and / or on the underside a straight, preferably plane Have surface. Deviating from this, there is the possibility make the surfaces convex or concave, to better adapt to the respective conditions to achieve.
  • the hinge wires can be made in a manner known per se have a circular cross-section. With this cross-sectional shape is the hinge ability and thus the deflectability of the link band is particularly pronounced. It exists however, the possibility of making the hinge wires oval or as flat wires (cf. US-A-4 395 308), with their flat sides parallel to the band plane extend. Such hinge wires improve tensile strength of the link belt or with the same tensile strength particularly flat link belts can be produced. By adjusting the height-width ratio also influences the air permeability in the desired manner become. It is recommended that the hinge wires regardless of their cross-section rounded on the front are to support the hinge function.
  • the Support the ring elements on the hinge wires in such a way is formed that the ring elements around hinge axes swivel that towards the median plane of the Link bands are shifted towards one of the flat sides.
  • This with wire link belts known training (EP-B-0 472 072, on the full reference) has the advantage that the actual hinge axis towards the contact surface between the train to be transported and the Link belt shifted and thus the relative movement between the link belt and the web when swiveling the ring elements is reduced.
  • each adjacent ring elements around a hinge wire are offset from one another in the longitudinal direction of the belt. In this way there is one particularly even structure of the link belt.
  • the ring elements on one or both flat sides of the link belt have widened sections, the sections preferably extending in the longitudinal direction to close to that of the associated ring element extend enclosed hinge wire.
  • Such widened Sections are made of wire link belts EP-A-0 112 432, EP-A-0 171 891 and EP-B 0 211 471 known.
  • These widened sections lets the air permeability of the link belt to a desired one Set size, which is especially for use from the dry area of a paper machine is. This also makes the support surface for the Paper web enlarged, especially when the sections of adjacent ring elements in the transverse direction are so wide that they are in the area of the sections form a substantially closed surface.
  • the paper machine belt according to the invention can additionally have a layer on at least one of the flat sides, for example a fiber layer, a fabric Knitted fabrics, a Scrims and / or a film, as is the case with wire link belts especially in combination with those described above widened sections is known (cf. EP-A- ⁇ 171 891, EP-B- ⁇ 211 471).
  • a layer on at least one of the flat sides for example a fiber layer, a fabric Knitted fabrics, a Scrims and / or a film, as is the case with wire link belts especially in combination with those described above widened sections is known (cf. EP-A- ⁇ 171 891, EP-B- ⁇ 211 471).
  • the Surface quality of the link belt according to the be adapted to the respective requirements. It also comes a combination of such layers, for example a fabric or a knitted fabric with a needled layer of fibers, in question.
  • Hinge wires made of one or more, in one sheath embedded monofilaments, multifilaments and / or twists are formed, as is already the case with Wire link belts has been proposed (cf. EP-B- ⁇ 292 7 ⁇ , to which full reference is made).
  • the ring elements can be made of all-plastic, the used plastic according to the respective requirements can be adapted to its properties. At higher Mechanical strength requirements in particular ring elements are also possible, which consist of one with one Reinforced plastic exist.
  • the reinforcement can from fibers, threads, knitted fabrics, woven fabrics and / or thread beds consist.
  • the ring elements enclose each two adjacent hinge wires.
  • the ring elements three or more consecutive Include hinge wires, with appropriate ones Displacement of the ring elements the distance of the hinge wires also be kept the same in this embodiment can.
  • the link belt 1 has a plurality of itself in the transverse direction extending hinge wires, the example with 2 are designated.
  • the hinge wires have a flattened one Cross section of large width and, in contrast, low height a width-height ratio of about 5: 1.
  • the hinge wires 2 are at the top and flat on the underside and on the front in the direction of travel and rounded rear sides semicircular. You have each equal distance from each other.
  • Two adjacent hinge wires 2 are each one Ring element - designated by way of example with 3 - together in a single opening - designated by way of example with 4 - enclosed.
  • the ring elements 3 are in the shape of the hinge wires 2 adapted in such a way that the ring openings 4th oval in shape and consistently have a height that the height corresponds to the hinge wires 2.
  • On the seen in the running direction The front and rear edges of the ring elements 3 are semicircular in line with the curves of the hinge wires 2 curved.
  • the ring elements 3 have a square in this embodiment Cross-section and run straight on the top and bottom stretched. In this way, flat surfaces become - exemplary designated 5 - formed.
  • Each two adjacent ring elements 3 are around one Hinge wire 2 offset to one another in the longitudinal direction arranged.
  • a first ring element 3 two certain hinge wires 2 encloses while the two adjacent ring elements 3 are offset such that the a ring element from the two aforementioned hinge wires 2 only one and also the one following in the longitudinal direction Hinge wire 2 encloses while the other, in Ring element 3 lying behind in the longitudinal direction of the two aforementioned hinge wires 2 only the other and in addition the hinge wire 2 on the other side encloses.
  • This pattern continues, so that two adjacent hinge wires 2 in the transverse direction of the Link band 1 seen only from every second ring element 3 be enclosed together.
  • the ring elements 3 can be in the pattern described above simply slide on the hinge wires 2. This Process can also be mechanized so that it is simple and quickly produce large link belts 1, such as in the dryer section of paper machines are needed.
  • the ring elements 3 close between the hinge wires 2 in the transverse direction on the channels 6 extending over the entire width of the link belt 1, in the filling elements, as can be seen from EP-A- ⁇ ⁇ 5 ⁇ 374 or EP-A- ⁇ 128 496 result, can be used. On in this way, the air permeability of the link belt decrease to a desired value.
  • the link belt 11 shown in Figure 2, the Running direction is symbolized by the double arrow B has also a plurality of extending transversely Hinge wires, which are designated by way of example at 12 and in this case have a circular cross-section.
  • Two each adjacent hinge wires 12 are of a ring element - designated by way of example with 13 - enclosed.
  • the ring elements 13 are designed so that an oval ring opening 14 is formed which has the same height throughout, the height corresponds to the diameter of the hinge wires 12.
  • To the in Seen from the direction of travel are the front and rear ends Ring elements 13 semicircular in adaptation to the Hinge wires 12 bent.
  • the ring elements 13 have a rectangular cross section and are straight and stretched at the top and bottom. In these straight areas have the ring elements 13 above and protruding on the underside on both transverse sides, widened sections - exemplary with 15 and 16 designated - on, with the sections 15, 16 of in Crosswise adjacent ring elements 13 practical lay against each other so that in the area of these sections 15, 16 creates an almost closed surface.
  • first ring element 13 which encloses two specific hinge wires 12, with an adjacent ring element 13, which in the longitudinal direction (arrow B) around a hinge wire 12 is offset.
  • first ring element 13 which encloses two specific hinge wires 12, with an adjacent ring element 13, which in the longitudinal direction (arrow B) around a hinge wire 12 is offset.
  • This link belt 11 will also be in the transverse direction Channels 17 extending over the entire width are formed. It goes without saying that these channels 17 are also free Filling elements such as those from EP-A- ⁇ 5 ⁇ 374, EP-A- ⁇ 128 496, DE-A-24 19 751 and EP-B- ⁇ 292 7 ⁇ are known, to use. Usually, however, because of the presence the sections 15, 16 in this embodiment to such Filling elements are dispensed with.

Landscapes

  • Paper (AREA)
  • Package Frames And Binding Bands (AREA)
  • Belt Conveyors (AREA)
  • Chain Conveyers (AREA)
  • Ropes Or Cables (AREA)
  • Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
  • Making Paper Articles (AREA)
  • Advancing Webs (AREA)
  • Tyre Moulding (AREA)

Claims (19)

  1. Bande pour machines à papier, qui est réalisée sous forme de bande transporteuse à maillons (1, 11) avec des fils métalliques de charnière (2, 12) s'étendant en direction transversale et avec des maillons individuels (3, 13) s'étendant en direction longitudinale et enserrant chacun au moins deux fils de charnière (2, 12), les maillons (3, 13) étant, sur la largeur de la bande à maillons (1, 11), décalés en direction longitudinale d'au moins un fil de charnière (2, 12), caractérisée en ce que les maillons sont réalisés sous la forme d'éléments annulaires (3, 13) pourvus chacun d'une seule ouverture annulaire (4, 14), qui enserre au moins deux fils de charnière voisins (2, 12).
  2. Bande pour machines à papier selon la revendication 1, caractérisée en ce que la hauteur respective des ouvertures annulaires (4, 14) est constante sur leur étendue en direction longitudinale.
  3. Bande pour machines à papier selon la revendication 1 ou 2, caractérisée en ce que la hauteur des ouvertures annulaires (4, 14) correspond à celle des fils de charnière (2, 12).
  4. Bande pour machines à papier selon une des revendications 1 à 3, caractérisée en ce que les éléments annulaires (3, 13) possèdent sur le dessus et/ou sur le dessous une surface rectiligne (5).
  5. Bande pour machines à papier selon la revendication 4, caractérisée en ce que les éléments annulaires (3, 13) possèdent sur le dessus et/ou sur le dessous une surface plane (5).
  6. Bande pour machines à papier selon une des revendications 1 à 5, caractérisée en ce que les éléments annulaires (3, 13) possèdent une section carrée ou rectangulaire.
  7. Bande pour machines à papier selon une des revendications 1 à 6, caractérisée en ce que les fils de charnière (12) possèdent une section circulaire ou ovale.
  8. Bande pour machines à papier selon une des revendications 1 à 6, caractérisée en ce que les fils de charnière (2) sont réalisés sous la forme de fils plats, dont les côtés plats s'étendent parallèlement au plan de la bande.
  9. Bande pour machines à papier selon une des revendications 1 à 7, caractérisée en ce que les fils de charnière (2) sont arrondis sur leur côté frontal.
  10. Bande pour machines à papier selon une des revendications 1 à 9, caractérisée en ce que le soutien des éléments annulaires sur les fils de charnière est conçu de telle sorte que les éléments annulaires pivotent autour d'axes de charnière qui, par rapport au plan médian de la bande à maillons, sont décalés vers un des côtés plats.
  11. Bande pour machines à papier selon une des revendications 1 à 10, caractérisée en ce que les éléments annulaires (3) respectivement voisins sont mutuellement décalés d'un fil de charnière (2, 12) dans la direction longitudinale de la bande.
  12. Bande pour machines à papier selon une des revendications 1 à 11, caractérisée en ce que les éléments annulaires (13) présentent, sur un côté plat de la bande à maillons (11), ou sur les deux côtés plats, des parties élargies (15, 16).
  13. Bande pour machines à papier selon la revendication 12, caractérisée en ce que les parties (15, 16) s'étendent, en direction longitudinale, jusqu'à proximité du fil de charnière (12) enserré par l'élément annulaire (13) respectivement associé.
  14. Bande pour machines à papier selon la revendication 12 ou 13, caractérisée en ce que les parties (15, 16) d'éléments annulaires (13) voisins en direction transversale sont d'une largeur telle que ces éléments forment une surface essentiellement fermée dans la région des parties (15, 16).
  15. Bande pour machines à papier selon une des revendications 1 à 14, caractérisée en ce que la bande à maillons présente un revêtement sur au moins un côté plat.
  16. Bande pour machines à papier selon la revendication 15, caractérisée en ce que le revêtement est réalisé sous forme de couche de fibres, de tissu, de tricot, de non tissé et/ou de film.
  17. Bande pour machines à papier selon une des revendications 1 à 16, caractérisée en ce que les fils de charnière sont constitués d'un ou plusieurs fils monofilaments, multifilaments et/ou retors incorporés dans un enrobage.
  18. Bande pour machines à papier selon une des revendications 1 à 17, caractérisée en ce que les éléments annulaires sont réalisés en matière plastique pourvue d'une armature.
  19. Bande pour machines à papier selon la revendication 18, caractérisée en ce que l'armature est constituée de fibres, de fils textiles, de matériaux tricotés, de matériaux tissés et/ ou de matériaux non tissés.
EP96114278A 1995-09-16 1996-09-06 Bande pour machines à papier Expired - Lifetime EP0763623B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19534486 1995-09-16
DE19534486A DE19534486C1 (de) 1995-09-16 1995-09-16 Gliederband insbesondere für Papiermaschinen

Publications (2)

Publication Number Publication Date
EP0763623A1 EP0763623A1 (fr) 1997-03-19
EP0763623B1 true EP0763623B1 (fr) 1999-09-22

Family

ID=7772420

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96114278A Expired - Lifetime EP0763623B1 (fr) 1995-09-16 1996-09-06 Bande pour machines à papier

Country Status (6)

Country Link
US (1) US5810159A (fr)
EP (1) EP0763623B1 (fr)
AT (1) ATE184931T1 (fr)
CA (1) CA2185502C (fr)
DE (2) DE19534486C1 (fr)
ES (1) ES2139294T3 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007055861A1 (de) 2007-12-18 2009-06-25 Voith Patent Gmbh Spiralgliederband
DE202012103846U1 (de) 2012-10-08 2012-10-25 Heimbach Gmbh & Co. Kg Papiermaschinenband
DE202021101509U1 (de) 2021-03-23 2021-07-06 Heimbach Gmbh Industrielles Textil und Verwendung

Families Citing this family (7)

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Publication number Priority date Publication date Assignee Title
CA2229371A1 (fr) * 1997-09-30 1999-03-30 Henry J. Lee Tissu fait de tubes creux extrudes et coupes a la longueur voulue
WO2001014634A1 (fr) 1999-08-20 2001-03-01 Astenjohnson, Inc. Maillon modulaire moule et tissu constitue d'une pluralite de ces maillons
WO2001014635A1 (fr) 1999-08-20 2001-03-01 Astenjohnson, Inc. Liaison modulaire moulee a deux constituants et toile realisee a partir d'une pluralite de ces liaisons
DE19944864C2 (de) 1999-09-18 2003-03-06 Heimbach Gmbh Thomas Josef Band für den Umlauf in Maschinen sowie Verfahren zu dessen Herstellung
US6918998B2 (en) * 2002-11-13 2005-07-19 Albany International Corp. On-machine-seamable industrial fabric comprised of interconnected rings
PT2537970E (pt) 2011-06-24 2013-07-10 Heimbach Gmbh & Co Kg Feltro de compactação para máquinas para tornar os têxteis resistentes ao encolhimento
GB2498922A (en) * 2011-12-14 2013-08-07 Madison Filter 981 Ltd Antistatic link belt

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DE2419751C3 (de) * 1974-04-24 1982-01-21 Kerber, geb. Poth, Hella, 6731 Weidenthal Drahtgliederband z.B. für Papiermaschinen
CH610273A5 (en) * 1975-10-02 1979-04-12 Munzinger Conrad & Cie Ag Flat formation acting as a wire link conveyor
DE2719548C3 (de) * 1977-05-02 1980-04-24 Bison-Werke Baehre & Greten Gmbh & Co Kg, 3257 Springe Endlos-Plattenband an für die Herstellung von Spanplatten o.dgl. dienenden, kontinuierlich arbeitenden Pressen, insbesondere Fertigpressen
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US4381612A (en) * 1981-06-03 1983-05-03 Wangner Systems, Inc. Dryer fabric for papermaking machine and method
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DE3214009C2 (de) * 1982-04-16 1987-05-27 Rudolf 5000 Köln Klefisch Förderband
DE3224760A1 (de) * 1982-07-02 1984-01-05 Thomas Josef Heimbach GmbH & Co, 5160 Düren Band zum einsatz in nasspressen von papiermaschinen
US4469221A (en) * 1982-09-24 1984-09-04 Scapa Inc. Papermakers fabric of link and pintle construction
DE3243512C2 (de) * 1982-11-25 1985-05-15 Roda Holding Anstalt, Vaduz Endloses Siebband für Papiermaschinen o.dgl.
US4490925A (en) * 1983-06-08 1985-01-01 Wangner Systems Corporation Low permeability spiral fabric and method
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CA1221614A (fr) * 1984-08-10 1987-05-12 Asten, Inc. Toiles lamifiees a tissage spiral et face lisse pour la fabrication du papier
DE3638036A1 (de) * 1986-11-07 1988-05-11 Siteg Siebtech Gmbh Spiralgliederband mit geteilten spiralen
DE8706893U1 (fr) * 1987-05-14 1987-08-06 Thomas Josef Heimbach Gmbh & Co, 5160 Dueren, De
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007055861A1 (de) 2007-12-18 2009-06-25 Voith Patent Gmbh Spiralgliederband
DE202012103846U1 (de) 2012-10-08 2012-10-25 Heimbach Gmbh & Co. Kg Papiermaschinenband
EP2716813A1 (fr) 2012-10-08 2014-04-09 Heimbach GmbH & Co. KG Toile pour machine à papier
DE202021101509U1 (de) 2021-03-23 2021-07-06 Heimbach Gmbh Industrielles Textil und Verwendung
EP4063545A2 (fr) 2021-03-23 2022-09-28 Heimbach GmbH Textile industriel et usage

Also Published As

Publication number Publication date
CA2185502A1 (fr) 1997-03-17
EP0763623A1 (fr) 1997-03-19
DE59603139D1 (de) 1999-10-28
ATE184931T1 (de) 1999-10-15
US5810159A (en) 1998-09-22
ES2139294T3 (es) 2000-02-01
CA2185502C (fr) 2002-01-29
DE19534486C1 (de) 1997-03-27

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