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EP2055831B1 - Ceinture de tissu dotée d'extrémités réduites en épaisseur - Google Patents

Ceinture de tissu dotée d'extrémités réduites en épaisseur Download PDF

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Publication number
EP2055831B1
EP2055831B1 EP07021155A EP07021155A EP2055831B1 EP 2055831 B1 EP2055831 B1 EP 2055831B1 EP 07021155 A EP07021155 A EP 07021155A EP 07021155 A EP07021155 A EP 07021155A EP 2055831 B1 EP2055831 B1 EP 2055831B1
Authority
EP
European Patent Office
Prior art keywords
belt
fabric
thickness
plane
distance
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.)
Active
Application number
EP07021155A
Other languages
German (de)
English (en)
Other versions
EP2055831A1 (fr
Inventor
Hartmut Bella
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.)
Muehlen Sohn GmbH and Co
Original Assignee
Muehlen Sohn GmbH and Co
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
Priority to ES07021155T priority Critical patent/ES2367816T3/es
Application filed by Muehlen Sohn GmbH and Co filed Critical Muehlen Sohn GmbH and Co
Priority to AT07021155T priority patent/ATE512251T1/de
Priority to EP07021155A priority patent/EP2055831B1/fr
Priority to PT07021155T priority patent/PT2055831E/pt
Priority to PL07021155T priority patent/PL2055831T3/pl
Priority to DK07021155.2T priority patent/DK2055831T3/da
Priority to US12/232,633 priority patent/US8172986B2/en
Priority to JP2008266302A priority patent/JP2009107338A/ja
Priority to KR1020080106665A priority patent/KR101535549B1/ko
Priority to CN2008101731102A priority patent/CN101423143B/zh
Publication of EP2055831A1 publication Critical patent/EP2055831A1/fr
Application granted granted Critical
Publication of EP2055831B1 publication Critical patent/EP2055831B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • 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
    • D21F1/0054—Seams thereof
    • 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
    • B31F1/20—Corrugating; Corrugating combined with laminating to other layers
    • 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
    • Y10S162/904—Paper making and fiber liberation with specified seam structure of papermaking belt

Definitions

  • the invention relates to a fabric belt for producing a corrugated cardboard web in a corrugator machine according to the preamble of claim 1.
  • connection of a fabric belt to an endless belt is from the DE 195 40 229 C1 known.
  • the strap ends are reduced in thickness and for connecting a plurality of spaced adjacent clips pressed.
  • the clips of one strap end are offset from the clips of the other strap end. If the clamps of one end are pushed into each other in the clamps of the other end and a connecting rod penetrates all the clamps together, a movable joint is formed, which ensures a trouble-free circulation of the belt on pulleys, drive rollers or the like.
  • the fabric belt is subject to increased wear by the drive, in particular on the drive side.
  • the connection of the strap ends must be created so that the brackets do not come into contact with the drive rollers. This can lead to a destruction of the connection and thus to the tearing of the endless belt.
  • the invention has the object of providing a fabric belt for producing a corrugated cardboard web in a corrugator in such a way that its service life is increased.
  • the distance of the first side facing the belt side of the reduced thickness belt end with the pressed-in clamps to the plane of this first belt side is greater than the second other belt side facing the distance of the plane of the reduced thickness belt end with the pressed-in brackets to the second, other strap side.
  • the first side of the belt is the wear-resistant side of the belt on which the pressing of the belt ends is made stronger than on the second side of the belt with less wear.
  • the fabric of the belt on the first, wear-prone side of the belt is advantageously looser than the fabric on the second side of the belt.
  • the looser fabric can be compressed more strongly, resulting in the greater reduction in thickness on the wear side.
  • the threads of the fabric on the wear-prone side of the belt may also be expedient to carry out at least a portion of the threads of the fabric on the wear-prone side of the belt with a material of lower melting point than the other threads of the fabric on the same side or the other threads of the belt itself. Due to the lower melting point is on the Wear-resistant belt-side pressure plate sink deeper into the tissue than on the opposite other side of the belt. It may be expedient to form the fabric on the first, wear-prone belt side completely of threads that have a lower melting point than the threads of the fabric on the other, the second side of the belt.
  • An advantageous measure of the distance on the wear-resistant belt side is achieved when the distance between the Level of the reduced thickness belt ends and the level of wear-prone belt side by 0.4 times to 4 times greater than the distance of the plane of the reduced thickness belt ends to the plane of the other, wear-poor belt side.
  • a value has proven to be advantageous, according to which the distance on the wear-resistant belt side is approximately twice as great as the distance on the low-wear side.
  • the thickness reduction can be achieved by carrying it out on the high-wear side at a higher temperature than on the low-wear side.
  • a convenient material for the lower melting point yarns is polypropylene; the other, higher melting point filaments are preferably made of polyester. It may be appropriate to apply the material with a lower melting point than coating on a thread of material with a higher melting point.
  • the wear-resistant, first belt side is the drive side and the second, low-wear belt side is the paper side.
  • the schematic in Fig. 1 illustrated belt 1 consists of one or more fabric layers 10, 20, 30, as shown by way of example in the sectional view Fig. 4 are shown.
  • the strap ends 2, 3 are connected together.
  • the fabric structure of the belt 1 is - as the figure shows - in a preferred embodiment of an upper fabric layer 10, a tensile forces receiving middle fabric layer 20 and a lower fabric layer 30 composed.
  • the side of the upper fabric layer 10 facing away from the middle, the tensile forces receiving fabric layer 20 forms the paper side 6 of the fabric belt first
  • the weft threads 4 extend transversely to the longitudinal direction 5 (FIG. FIGS. 5 and 6 ) of the belt 1.
  • the upper fabric layer 10 four mutually offset warp threads 11, 12, 13 and 14 are provided, which run both inwardly toward the middle fabric layer 20 and out to the paper side 6 via at least two weft threads 4.
  • the middle, the tensile forces receiving fabric layer 20 has two mutually offset warp threads 21 and 22, which run over two weft threads 4.
  • the lower fabric layer 30 consists of four each mutually offset warp threads 31, 32, 33 and 34, the inward - to the middle fabric layer 20 through - only one weft thread 4 and out over at least three weft threads 4 run.
  • the three fabric layers 10, 20 and 30 are connected to each other via binding threads 40, 41, 42 and 43.
  • the binding threads are subdivided into two groups of threads, wherein the binding threads 42 and 43 forming a thread group run offset to one another and bind the upper fabric layer 10 to the middle fabric layer 20.
  • the binding threads 42 and 43 are each alternately via a weft thread 4 in the upper fabric layer 10 and a Weft 4 out in the middle fabric layer 20.
  • the thread group consisting of the binding threads 40 and 41 binds the lower fabric layer 30 to the middle fabric layer 20.
  • the threads of the fabric belt 1 shown are made of polyester or other suitable carrier fibers such as cotton.
  • the fabric may comprise more than 30% aromatic polyamide fibers.
  • the fabric strap 1 consists of more than 90% para-aramid (Kevlar) threads with a supplementary portion of polyester threads or other carrier fibers.
  • the fabric structure of the belt 1 is deformable due to the material of the threads used by the action of heat.
  • these are reduced in height by the initial thickness d of the fabric structure of the belt 1.
  • the thickness is reduced by a dimension u, v of about 1 mm to 2 mm, preferably 1.25 mm to 1.75 mm in thickness.
  • it has proven expedient to treat the ends 2, 3 of the fabric belt 1 between two preferably heated pressure plates 50, 51, wherein the thickness reduction takes place under elevated temperature and pressure.
  • Clamps 7 are pressed into the thickness-reduced strap ends 2, 3, as shown in FIG Fig. 1 is shown.
  • the pressing of the clamps 7 is carried out under pressure and temperature, wherein it has proven expedient to press the clamps at a higher temperature and a higher pressure than those at Thickness reduction applied temperature and pressure.
  • the brackets 7 used for connecting the thickness-reduced belt ends 2, 3 are according to their installation position Fig. 1 as shown in Fig. 2 pre-bent.
  • Each bracket 7 consists essentially of a semicircular curved head 17, which forms the shape of a central plane 25 approximately symmetrical U with two legs 15, 16.
  • the one leg 16 is designed to be longer than the other leg 15, wherein their free end portions 18 are angled barbs inwardly.
  • the barb-like in the strap ends 2, 3 engaging end portions 18 of the closed bracket 7 are firmly pressed into the reduced thickness tissue of the strap ends 2, 3, so that they do not come off the strap ends even with large mechanical stress in the belt longitudinal direction.
  • Fig. 3 shows, across the width G of the belt 1 in each end of the belt, a plurality of brackets 7 are arranged, which are at the same distance a to each other. To achieve a high strength of the connection, a distance a of about 1.8 mm to about 4 mm is selected.
  • brackets 7 are arranged such that adjacent brackets are each rotated by 180 °. Thus, once lies the shorter one Leg 15 and once the longer leg 16 on one side. The lengths of the legs 15 and 16 of the bracket 7 are approximately between 16 mm and 26 mm.
  • Fig. 1 shows, the brackets 7 of one strap end 2 in the gaps between the brackets 7 of the other strap end 3.
  • the strap ends 2, 3 can be approximated to each other that through all the brackets 7 both strap ends 2, 3, a connecting rod 9 inserted can be, which together with the brackets 7 forms a movable joint at the seam of the endless belt.
  • the connecting rod has a cylindrical cross-section and approximately a diameter of preferably 2 mm to 4 mm.
  • a flock material can be applied which fills the space between the thickness-reduced ends and the paper side 6 or the drive side 8.
  • the belt 1 To achieve a longer service life of the belt 1 is provided to provide on the drive side 8 of the fabric belt 1 a thickness reduction by a measure u, which is significantly larger than the dimension v of the thickness reduction on the paper side 6. It is expedient to choose the distance u between the plane 36 of the drive side 8 facing belt end 2, 3 to the level 37 of the output side 8 by 0.4 times to 4 times greater than the distance v, the paper side 6 facing the plane 46 of having reduced thickness strap ends 2, 3 to the plane 47 of the paper page 6. In a particular embodiment, the distance u is about twice as large as the distance v.
  • the fabric of the belt 1 on the drive side 8 looser form than the fabric of the belt 1 on the paper side 6. This can be achieved in that on the drive side z. B. a warp thread 31, 32, 33, 34 is less processed than on the paper side. Due to the then looser tissue on the drive side 8, the pressure plate 51 at the same temperature in the same period deeper into the fabric belt sink than the pressure plate 50 on the paper side 6, so that a greater degree u reduction in thickness on the drive side 8 is achieved.
  • tissue on the paper side 6 is to be formed with the same thickness as on the drive side 8
  • a different thickness reduction can be achieved by on the drive side 8
  • at least some of the threads of the fabric have a lower melting point than the other threads of the fabric on the paper side 6.
  • the lower melting point of some fabric threads processed on the drive side 8 also results in the same temperature of the pressure plates 50, 51 sinks the pressure plate 51 on the drive side 8 deeper into the fabric structure than on the paper side. It may be expedient to provide the threads of the drive side 8 entirely of a material which has a lower melting point than the material of the threads on the paper side 6 of the fabric belt 1.
  • the threads on the drive side of the belt can be made of polypropylene, while the remaining threads of the fabric strap made of polyester.
  • Polypropylene has a melting point of about 150 °
  • polyester has a melting point of about 180 °.
  • the lower melting point material may also be applied as a coating 55 to a thread 80 of higher melting point material and processed on the drive side 8.
  • Fig. 7 shows such a thread in section.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Belt Conveyors (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Woven Fabrics (AREA)
  • Machines For Manufacturing Corrugated Board In Mechanical Paper-Making Processes (AREA)

Claims (10)

  1. Courroie en tissu pour la fabrication d'une bande de carton ondulé dans une machine de carton ondulé, étant précisé que la courroie (1) est assemblée à ses deux extrémités (2, 3) pour former une courroie sans fin et présente une face extérieure en papier (6) qui est tournée vers la bande de carton ondulé et une face intérieure d'entraînement (8) qui reçoit les forces d'entraînement, étant précisé que les extrémités de courroie (2, 3) sont thermiquement réduites en épaisseur de telle sorte que le plan (47) de la face en papier (6) ainsi que le plan (37) de la face d'entraînement (8) se trouvent plus haut que les plans (36, 46) des extrémités de courroie à épaisseur réduite (2, 3), et que pour relier lesdites extrémités de courroie à épaisseur réduite (2, 3), plusieurs crampons (7) à peu près en U juxtaposés avec un écartement (a) sont enfoncés, et que dans le sens longitudinal (5) de la courroie (1) les crampons (7) d'une extrémité de courroie (2) coopèrent avec les crampons (7) de l'autre extrémité de courroie (3) pour transmettre les forces, et étant précisé que les crampons en U (7) sont enfoncés dans le tissu à épaisseur réduite des extrémités de courroie (2, 3) avec des tronçons d'extrémité (18) coudés sur leurs extrémités de branches libres,
    caractérisée en ce que l'écartement (u) entre le plan (36), tourné vers la première face de courroie (8), des extrémités de courroie à épaisseur réduite (2, 3) pourvues des crampons (7) enfoncés et le plan (37) de cette première face de courroie (8) est plus grand que l'écartement (v) entre le plan (46), tourné vers l'autre face de courroie, la seconde face de courroie (6), des extrémités de courroie à épaisseur réduite (2, 3) pourvues des crampons (7) enfoncés et le plan (47) de l'autre face de courroie, la seconde face de courroie (6).
  2. Courroie selon la revendication 1,
    caractérisée en ce que le tissu de la courroie (1) sur la première face de courroie (8) est plus lâche que le tissu sur la seconde face de courroie (6).
  3. Courroie selon la revendication 1 ou 2,
    caractérisée en ce que le matériau d'une partie au moins des fils du tissu sur la première face de courroie (8) présente un point de fusion plus bas que le matériau des autres fils du tissu sur la même face de courroie, la première face de courroie (8).
  4. Courroie selon l'une des revendications 1 à 3,
    caractérisée en ce que le tissu sur la première face de courroie (8) se compose de fils qui ont un point de fusion plus bas que les autres fils du tissu sur la seconde face de courroie (6).
  5. Courroie selon l'une des revendications 1 à 4,
    caractérisée en ce que l'écartement (v) sur une face de courroie (8) est 0,4 à 4 fois plus grand, de préférence à peu près deux fois plus grand que l'écartement (v) sur l'autre face de courroie (6).
  6. Courroie selon l'une des revendications 1 à 5,
    caractérisée en ce que la réduction d'épaisseur sur la première face de courroie (8) se fait à une température plus élevée que sur la seconde face de courroie (6).
  7. Courroie selon l'une des revendications 1 à 6,
    caractérisée en ce que le matériau de quelques-uns au moins des fis sur la première face de courroie (8) est constitué par du polypropylène.
  8. Courroie selon l'une des revendications 1 à 7,
    caractérisée en ce que le matériau des autres fils du tissu de la courroie (1) est constitué par du polyester.
  9. Courroie selon l'une des revendications 1 à 8,
    caractérisée en ce que le matériau avec un point de fusion plus bas est appliqué sous la forme d'un revêtement (55) sur un fil (80) en matériau avec un point de fusion plus élevé.
  10. Courroie selon l'une des revendications 1 à 9,
    caractérisée en ce que la première face de courroie est constituée par la face d'entraînement (8), et la seconde par la face en papier (6).
EP07021155A 2007-10-30 2007-10-30 Ceinture de tissu dotée d'extrémités réduites en épaisseur Active EP2055831B1 (fr)

Priority Applications (10)

Application Number Priority Date Filing Date Title
AT07021155T ATE512251T1 (de) 2007-10-30 2007-10-30 Gewebegurt mit dickenreduzierten enden
EP07021155A EP2055831B1 (fr) 2007-10-30 2007-10-30 Ceinture de tissu dotée d'extrémités réduites en épaisseur
PT07021155T PT2055831E (pt) 2007-10-30 2007-10-30 Correia têxtil com extremidades reduzidas na espessura
PL07021155T PL2055831T3 (pl) 2007-10-30 2007-10-30 Pas tkaninowy z końcami o zmniejszonej grubości
DK07021155.2T DK2055831T3 (da) 2007-10-30 2007-10-30 Tekstilbælte med tykkelsesreducerede ender
ES07021155T ES2367816T3 (es) 2007-10-30 2007-10-30 Cinta de tejido con extremos de espesor reducido.
US12/232,633 US8172986B2 (en) 2007-10-30 2008-09-22 Fabric belt having ends of reduced thickness
JP2008266302A JP2009107338A (ja) 2007-10-30 2008-10-15 厚みの薄い端部を有する布帛ベルト
KR1020080106665A KR101535549B1 (ko) 2007-10-30 2008-10-29 단부의 두께가 감소된 직포벨트
CN2008101731102A CN101423143B (zh) 2007-10-30 2008-10-30 具有厚度减小端部的织物输送带

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP07021155A EP2055831B1 (fr) 2007-10-30 2007-10-30 Ceinture de tissu dotée d'extrémités réduites en épaisseur

Publications (2)

Publication Number Publication Date
EP2055831A1 EP2055831A1 (fr) 2009-05-06
EP2055831B1 true EP2055831B1 (fr) 2011-06-08

Family

ID=39052679

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07021155A Active EP2055831B1 (fr) 2007-10-30 2007-10-30 Ceinture de tissu dotée d'extrémités réduites en épaisseur

Country Status (10)

Country Link
US (1) US8172986B2 (fr)
EP (1) EP2055831B1 (fr)
JP (1) JP2009107338A (fr)
KR (1) KR101535549B1 (fr)
CN (1) CN101423143B (fr)
AT (1) ATE512251T1 (fr)
DK (1) DK2055831T3 (fr)
ES (1) ES2367816T3 (fr)
PL (1) PL2055831T3 (fr)
PT (1) PT2055831E (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2594972C2 (ru) * 2011-08-11 2016-08-20 Мюлен Зон Гмбх Унд Ко. Кг Бесконечная тканевая лента

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2622653A1 (fr) * 2008-02-22 2009-08-22 Roger Danby Tissu de filtration industriel a double enveloppe et triple trame
BR112014006906B1 (pt) 2011-09-23 2021-08-03 Albany International Corp Equipamento para instalação de um material de retardo, material de retardo costurável em máquina e método para instalar um material de retardo revestido
DE102013214033A1 (de) * 2013-07-17 2015-01-22 Voith Patent Gmbh Bespannung und Verfahren zum Herstellen einer Bespannung

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1932203A (en) * 1933-05-26 1933-10-24 Clipper Belt Lacer Company Joint or seam construction for drier felts and the like
US3546054A (en) * 1968-06-20 1970-12-08 William H Ross Spliced conveyor belt and method of making same
DE9414344U1 (de) * 1994-09-03 1994-10-20 Mühlen Sohn GmbH & Co., 89134 Blaustein Gewebter Gurt für eine Wellpappenmaschine
DE19540229C1 (de) * 1995-10-17 1996-12-19 Muehlen Sohn Gmbh & Co Verfahren zum Herstellen eines endlosen Gewebebandes
CN2432188Y (zh) * 2000-06-03 2001-05-30 李洪斌 瓦楞纸板传送带
WO2002086232A1 (fr) 2001-04-24 2002-10-31 Mühlen Sohn GmbH & Co. Sangle tissee pour machine a papier
US6627045B2 (en) * 2001-10-09 2003-09-30 Albany International Corp. Seam for a corrugator belt

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2594972C2 (ru) * 2011-08-11 2016-08-20 Мюлен Зон Гмбх Унд Ко. Кг Бесконечная тканевая лента

Also Published As

Publication number Publication date
ES2367816T3 (es) 2011-11-08
DK2055831T3 (da) 2011-09-12
US8172986B2 (en) 2012-05-08
KR101535549B1 (ko) 2015-07-09
KR20090045059A (ko) 2009-05-07
CN101423143A (zh) 2009-05-06
CN101423143B (zh) 2012-07-04
JP2009107338A (ja) 2009-05-21
PL2055831T3 (pl) 2011-11-30
US20090107574A1 (en) 2009-04-30
ATE512251T1 (de) 2011-06-15
EP2055831A1 (fr) 2009-05-06
PT2055831E (pt) 2011-09-01

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