EP3645789A1 - Dispositif d'insertion d'habillage et utilisation de celui-ci - Google Patents

Dispositif d'insertion d'habillage et utilisation de celui-ci

Info

Publication number
EP3645789A1
EP3645789A1 EP18722044.7A EP18722044A EP3645789A1 EP 3645789 A1 EP3645789 A1 EP 3645789A1 EP 18722044 A EP18722044 A EP 18722044A EP 3645789 A1 EP3645789 A1 EP 3645789A1
Authority
EP
European Patent Office
Prior art keywords
force distribution
force
elements
distribution element
clothing
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.)
Withdrawn
Application number
EP18722044.7A
Other languages
German (de)
English (en)
Inventor
Jens Kallenberg
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.)
Voith Patent GmbH
Original Assignee
Voith Patent 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 Voith Patent GmbH filed Critical Voith Patent GmbH
Publication of EP3645789A1 publication Critical patent/EP3645789A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F7/00—Other details of machines for making continuous webs of paper
    • D21F7/001—Wire-changing arrangements
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F7/00—Other details of machines for making continuous webs of paper
    • D21F7/08—Felts

Definitions

  • the present invention relates to a fabric tensioning device for drawing a fabric, in particular a dryer fabric, in a machine which is designed for producing and / or finishing a material web, in particular a fibrous web, such as. Paper, cardboard or tissue web, comprising a force distribution element , which is designed to distribute a substantially punctiform attacking tensile force along a line substantially uniformly. Furthermore, the invention relates to a use of such a tensioning device.
  • a pulp suspension which consists predominantly of water and has only a small proportion of fibers, is fed to a paper machine, also known as a "head box" It is essentially the task of removing the water from the pulp suspension in order to produce the finished product, which can still be refined if necessary.
  • the fibrous web which forms from the pulp suspension passes through a plurality of batches in the paper machine, generally at least one forming section
  • Each string is usually associated with its own fabric, which are also referred to as wires or felts, which run endlessly in the respective sections of the paper machine, transporting the fibrous web continuously through the paper machine a high wear and must be replaced regularly.
  • Endless tape is closed, so mounting is only from the side, i. in
  • a disadvantage of such a known stringing device is that different sizes of the triangular cloths must be produced for different paper machines, since the paper machines, and thus also the clothing to be introduced into these, have different widths. This makes the manufacture of a single stringing device relatively expensive and expensive.
  • the object of the present invention is to provide a clothing draw-in device which does not have at least some of the aforementioned disadvantages or only to a lesser extent.
  • the fabric tensioning device according to the invention for drawing in a
  • Covering, in particular a dryer fabric, in a machine used for producing and / or finishing a material web, in particular a fibrous web, such as For example, paper, board or tissue web is formed, comprises in a known manner, a force distribution element, which is formed a substantially
  • the fabric tensioning device according to the invention is distinguished from a known fabric tensioning device in that it comprises a plurality of such force distribution elements, which are designed to be connected to one another in the intended use.
  • the fabric tensioning device By having the fabric tensioning device according to the invention a plurality of force distribution elements, preferably two force distribution elements, which can be connected to one another, it is possible in a simple manner to use the fabric tensioning device for coverings and paper machines of different widths. For this purpose, only the force distribution elements must be connected to each other in a flexible manner.
  • the clothing retraction device further comprises an overall traction distribution system which is designed to provide a total traction force required to retract the clothing into the machine to distribute the individual force distribution elements, wherein the total tensile force is preferably distributed substantially uniformly on the individual force distribution elements, and wherein the proportionate total tensile force is preferably introduced substantially punctiform in each force distribution element.
  • the total traction power distribution system comprises a plurality of rope-like elements, wherein one end of the rope-like elements is connected or connectable to one of the force distribution elements, and wherein preferably the respective other ends of the rope-like elements are connected or connectable.
  • the total tensile force can be introduced at a single point in the invention tensioning device, which then the total tensile force reliably substantially uniform transfers to the clothing.
  • rope-like elements is meant at this point not only ropes but also belts, straps and the like.
  • At least one force distribution element preferably all force distribution elements, a in
  • Substantially triangular basic shape wherein the force distribution element is designed to spread a force acting on a corner of the substantially triangular force distribution element punctually engaging tensile force along a corner opposite side of the substantially triangular force distribution element substantially uniformly.
  • the corner opposite to which the corner acts on the substantially triangular force distribution element in intended use has a dimension which is between 4m and 7m, preferably between 5m and 6m at about 5.5m, lies. This can be covered with only two force distribution elements covering widths that are suitable for almost all major paper machines. For smaller paper machines, however, it may be preferable if the dimension of the corresponding side is between 2m and 4m, preferably between 2.5m and 3.5m. For as uniform a force distribution as possible, it is advantageous if the basic shape of the force distribution element corresponds to an isosceles, preferably even a substantially equilateral, triangle.
  • a covering portion of a first force distribution element covers a covering area of a second force distribution element.
  • the overlapping portion of the first force distribution element and the overlapping portion of the second force distribution element a in
  • the first and the second force distribution element are designed such that the overlapping sections are adjustable to different heights, wherein the size adjustment can be made stepless or stepped.
  • Vinylcro here is a reversible quick release understood in which two surfaces are brought into contact with each other, wherein the one surface is provided with a plurality of small barbs, and the other surface has a plurality of small loops or the like Textile hook and loop fasteners are especially used by the company
  • At least one force distribution element preferably all force distribution elements, at least one, preferably rod-like,
  • Reinforcement element which preferably extends along or at least parallel to the line along which the substantially point-like tensile force acting through the force distribution element in
  • the force distribution elements are designed to be connected to each other in intended use such that their respective lines, along which the substantially point-like tensile force acting through the force distribution element in
  • At least one force distribution element preferably all force distribution elements, is or are predominantly formed from a textile material. It is very particularly preferred to be able to absorb high tensile forces if the textile material is Kevlar®.
  • Another aspect of the present invention relates to the use of a previously described fabric tensioning device for drawing a fabric, in particular a dryer fabric, in a machine for the production and / or finishing of a material web, in particular a fibrous web, such as.
  • Paper, board or tissue web is formed. Here are or are
  • Force distribution elements in the cross-machine direction substantially corresponds to the dimension of the introduced into the machine clothing in the cross machine direction "essentially" in this context means that
  • the clothing to be introduced into the paper machine in the cross-machine direction may have a larger dimension than the clothing-tensioning device according to the invention, or as its force distribution elements.
  • the clothing-tensioning device according to the invention or as its force distribution elements.
  • it can be greater, for example, between 100mm and 800mm, preferably between 200mm and 700mm, without adversely affecting the substantially uniform transfer of tensile forces to the fabric or wrinkles as the fabric is fed into the paper machine ,
  • the clothing draw-in device is connected to the clothing to be pulled into the machine and the clothing is drawn into the machine, wherein a total tensile force required for this is applied to the fabric to be pulled in via the fabric tensioning apparatus, and wherein the total tensile force by means of the clothing draw-in apparatus substantially uniformly distributed over the dimension of the clothing to be pulled in the cross-machine direction to the fed-in clothing.
  • string pull-in devices are required in particular whenever a machine is first equipped with a stringing or when a string has previously been torn. Otherwise, under certain circumstances, it is also possible to dispense with the use of a stringing device.
  • the old clothing to be replaced can in fact be cut open and can be attached to it directly or indirectly to be fed into the machine stringing.
  • the new clothing can thus be introduced into the machine at the same time, without the need for a cloth draw-in device.
  • Figure 1 is a representation of two not yet interconnected
  • FIG. 2a shows a sectional view along the section plane IIa - IIa indicated in FIG. 1, FIG.
  • FIG. 2b shows a sectional view along the section plane IIb-IIb indicated in FIG.
  • FIG. 3 shows a representation of the two force distribution elements shown in FIG. 1, but this time they are connected to one another according to a first application
  • FIG. 4 shows a sectional view along the section plane IV-IV indicated in FIG. 3,
  • Figure 5 is a view similar to Figure 3, but this time supplemented by more
  • FIG. 6a shows a sectional view along the section plane Via-Via indicated in FIG.
  • FIG. 6b shows a sectional view along the section plane Vlb-Vlb indicated in FIG. 5
  • FIG. 6c shows a sectional view along the section plane Vlc-Vlc indicated in FIG.
  • FIG. 7 is a view similar to Figure 5, wherein the two power distribution elements, however, are interconnected for a second application.
  • FIG. 1 schematically shows two force distribution elements 12, 14 of a tensioning device 10 according to the invention. In this illustration, the two force distribution elements 12, 14 are not yet connected.
  • the two force distribution elements 12, 14 have a substantially triangular basic shape, wherein the substantially triangular basic shape substantially corresponds here to an equilateral triangle.
  • the two force distribution elements 12, 14 each have a force introduction device 16, 18, for example in the form of a tab, in order to initiate a tensile force, preferably in the respective force distribution element 12, 14 can.
  • the essentially triangular force distribution elements 12, 14 each have a rectangular attachment section 20, 22.
  • the term "substantially triangular” does not mean that the force distribution elements 12, 14 are exactly triangular in shape .
  • the two fastening sections 20, 22 each have an attachment side edge 24, 26 opposite the force introduction device 16, 18.
  • the two force distribution elements 12, 14 are essentially formed from a textile material 28, 30, in particular a sheet-like or cloth-like material.
  • the force distribution elements 12, 14 can be formed from individual webs of the material, which are interconnected, in particular sewn, are.
  • the textile material 28, 30 may be formed in multiple layers.
  • a web of textile material 28, 30 may be turned over in this area to form at least a two- and / or three-ply section.
  • the textile materials 28, 30 of the two force distribution elements 12, 14 are preferably identical.
  • a plurality of fastening strips 32 and 34 are respectively attached to the fastening sections 20, 22 and extend beyond the fastening side edge 24, 26.
  • the fastening strips 32 and 34 preferably extend orthogonally to the fastening side edge 24, 26.
  • only one of the fastening strips 32, 34 per force distribution element 12, 14 is provided with a reference numeral in FIG.
  • the fastening strips 32, 34 are distributed uniformly along the fastening side edge 24, 26.
  • Both force distribution elements 12, 14 have the same number of fastening strips 32, 34. In the present embodiment, these are each 12 attachment strips having a distance of 0.5 m between them. Thus, each force distribution element 12, 14 has a total width of 5.5m. However, the present invention is by no means limited to these values.
  • the two force distribution elements 12, 14 form completely identical to each other, but it may, in particular for reasons of material be saving in the production advantageous if the two power distribution elements 12, 14 with respect to their structure, at least slightly different from each other, as is the case in the present embodiment.
  • Figure 2a is a sectional view along the section line IIa - IIa on the left force distribution element 12 in Figure 1
  • Figure 2b is a sectional view along the section line IIb - IIb on the right force distribution element 30 in Figure 1 shows.
  • FIG. 2 a shows a section of the textile material 28 from which the force distribution element 12 on the left in FIG. 1 is essentially formed.
  • the textile material 28 is shown in the region of the attachment section 20 extending up to the fastening side edge 24.
  • Figure 2a below the textile material 28 of the fastening strip 32 is attached.
  • the fastening strip 32 has on its in Figure 2a upwardly facing surface on a plurality of loops or the like to form a Velcro connection.
  • a first Velcro strip 36 is further attached to the textile material 28 having a plurality of barbs on its in Figure 2a upwardly facing surface a plurality of barbs to form a Velcro connection.
  • the fastening strip 32 can be 180 ° bend to form a first fastening tab 38, where the two force distribution elements 12, 14 do not overlap, wherein the loops or the like of the fastening strip 32 come into contact with the barbs of the first Velcro strip 36 to form a Velcro connection.
  • a second Velcro strip 40 is attached to the textile material 28 on the same side of the textile material 28 to which the first Velcro strip 36 is attached.
  • the second Velcro strip 40 has a plurality of in Figure 2a upwardly facing barbs to form a Velcro connection.
  • the second Velcro strip 40 covers slightly the first Velcro strip 36.
  • the main extension direction of the second Velcro strip 40 but not orthogonal to the mounting side edge 24, ie from left to right in Figure 2a, but parallel to the mounting side edge 24, ie in the Image plane of Figure 2a, as can be clearly seen in Figure 1.
  • FIG. 2a three seams are further indicated by three vertically extending lines, with which the second Velcro strip 40 is attached to the textile material 28.
  • the three seams run, as the second Velcro strip 40, parallel to the attachment side edge 24, ie in the image plane of Figure 2a.
  • the leftmost seam in FIG. 2a in this case has a significantly greater distance from its immediately adjacent seam, i. to the middle seam, on than the rightmost in Figure 2a seam.
  • a parallel to the mounting side edge 24 extending first channel 42 is formed.
  • a first reinforcing member 44 can be inserted, as shown for example in Figure 6a, which serves to reliably avoid wrinkling of the force distribution element 12 during the intended use.
  • the first reinforcing element 44 has a rod-like shape, more preferably with a circular or flattened, for example oval, cross-section.
  • the first reinforcing element 44 may be a glass fiber rod.
  • FIG. 2 b a section of the textile material 30, from which the force distribution element 14 on the right in FIG. 1 is substantially formed, can be seen.
  • the textile material 30 is shown in the region of the fastening section 22 extending up to the attachment side edge 26.
  • the fastening strip 34 is attached.
  • the fastening strip 34 has on its in Figure 2b upwardly facing surface a plurality of loops or the like to form a Velcro connection.
  • On the side opposite the fastening strip 34 side of the textile material 30 in Attachment portion 22 is attached to the textile material 30 further comprises a third Velcro strip 46 which has on its in Figure 2b upwardly facing surface a plurality of barbs for forming a Velcro connection.
  • FIG. 6c can be the fastening strip 34 to form a second fastening tab 48, where the two force distribution elements 12, 14 do not overlap, bend by 180 °, the loops or the like of the fastening strip 34 come into contact with the barbs of the third Velcro strip 46 to form a Velcro connection.
  • a fourth Velcro strip 50 is attached to the same side of the textile material 30 to which the fastening strip 34 is fastened, wherein the fourth Velcro strip 50 bears flatly on the surface of the fastening strip 34 remote from the textile material 30 and does not project beyond the fastening strip 34.
  • the fourth Velcro strip 50 is formed shorter than the fastening strip 34 and terminates at the attachment side edge 26.
  • the fourth Velcro strip 50 has on its down in Figure 2b surface facing a plurality of loops or the like to form a Velcro connection.
  • a fifth Velcro strip 52 is fastened to the textile material 30 on the side of the textile material 30 opposite the third Velcro strip 46.
  • the fifth Velcro strip 52 also has a multiplicity of loops or the like, pointing downwards in FIG. 2b, for forming a Velcro connection.
  • the fifth Velcro strip 52 slightly covers the fourth Velcro strip 50 and the fastening strip 34.
  • the main extension direction of the fifth Velcro strip 52 is not orthogonal to the mounting side edge 26, ie from left to right in Figure 2b, but parallel to the mounting side edge 26, ie into the image plane of FIG. 2b, as can be clearly seen in FIG. In FIG.
  • FIG. 2b three seams are also indicated by three vertically extending lines with which the fifth Velcro strip 52 is fastened to the textile material 30.
  • the three seams run, as the fifth Velcro strip 52, parallel to the mounting side edge 26, ie in the image plane of Figure 2b.
  • the rightmost seam in FIG. 2b has a significantly greater distance to its immediately adjacent seam, ie to the middle seam, than the leftmost seam in FIG. 2b.
  • a second channel 54 extending parallel to the fastening side edge 26 is formed between the seam on the extreme right in FIG. 2b and the middle seam and between the fifth hook-and-loop strip 52 and the textile material 30.
  • a second reinforcement member 56 may be inserted into the second channel 54, as shown for example in FIG.
  • the second reinforcing element 56 has a rod-like shape, more preferably with a circular or flattened, for example oval, cross-section.
  • the second reinforcing member 56 may be a glass fiber rod.
  • Figure 3 shows a schematic representation of the two force distribution elements 12, 14 shown in Figure 1, but this time are connected to each other and that according to a first application.
  • the right in Figure 1 power distribution element 14 has been placed on the left in Figure 1 force distribution element 12 in such a way that the leftmost in Figure 1 mounting strip 34 of the right power distribution element 14 exactly on the third in Figure 1 mounting strip 32 from the right of left force distribution element 12 comes to rest.
  • the force distribution element 14 shown in the figures on the right thus covers in sections the left of the figures
  • the sections of the two force distribution elements 12, 14 which overlap can also be referred to as cover sections 58, 60, wherein only the cover section 60 of the overhead force distribution element 14 can be seen in FIG.
  • the two covering portions 58, 60 have a substantially triangular basic shape.
  • the side margins of the two essentially triangular force distribution elements 12, 14, which can be assigned to the covering sections 58, 60, are referred to below as covering side edges 62, 64, wherein in FIG. 3 the right side edge of the left force distribution element 12 is the covering side edge 62 and the left side edge of the right-side power distribution member 14 is the overlay side edge 64.
  • FIG. 3 the portion of the overlap side edge 62 of the left-hand force distribution element 12, which is covered by the right-hand force distribution element 14, is shown in dashed lines.
  • FIG. 4 shows a schematic sectional view through the section plane IV - IV indicated in FIG. 3.
  • the sections of the fastening strips 34 of the above-lying force distribution element 14 in the covering section 60, insofar as they project beyond the fastening section 22, are cut off, in particular cut off, as shown in FIG is indicated schematically.
  • the loops or the like on the in Figures 4 downwardly facing surfaces of the fourth Velcro strip 50 and the fifth Velcro strip 52 of the upper force distribution element 14 respectively for forming a Velcro connection in contact with the barbs on the in Figure 4 upwardly facing surfaces of the first Velcro strip 36 and the second Velcro strip 40 are brought.
  • a sixth Velcro strip 66 can extend on the surface of the textile material 28 of the lower force distribution element 12 pointing upwards along the overlapping side edge 62 in FIG. 4 and be connected to the textile material 28.
  • the sixth Velcro strip 66 has on its in Figure 4 upwardly facing surface a plurality of loops or the like to form a Velcro connection.
  • a seventh Velcro strip 68 may extend along the overlay side edge 64 on the surface of the fabric 30 of the upper force distribution element 14, as shown in FIG.
  • the seventh Velcro strip 68 has on its in Fig. 4 downwardly facing surface a plurality of loops or the like to form a Velcro connection.
  • the clothing tensioning device 10 according to the invention may comprise a hook and loop fastener 70, which is substantially diamond-shaped and corresponds in dimension exactly to the dimensions of the section in which the sixth Velcro strip 66 and the seventh Velcro strip 68 overlap.
  • the hook-and-loop fastener 70 has a plurality of barbs for forming a hook-and-loop connection both on its surface pointing upwards in FIG. 4 and on its surface pointing downwards in FIG. 4.
  • the additional connection of the lower force distribution element 12 with the upper force distribution element 14 is made by the Velcro 70 is positioned exactly at the point where the sixth Velcro strip 66 and the seventh Velcro strip 68 overlap, and the two force distribution elements 12, 14 Training a double Velcro connection are pressed against each other at this point.
  • the fastening strip 32 can, with the formation of a third fastening tab 72, where the two force distribution elements 12, 14 overlap, bend by 180 °, the loops or the like Attachment strip 32 of the lower force distribution element 12 to form a Velcro connection with the barbs of the third Velcro strip 48 of the upper force distribution element 14 come into contact.
  • FIG. 5 shows a schematic representation similar to that in FIG. 3, but this time supplemented by further elements of the fabric tensioning device 10 according to the invention and a section of the clothing 74 to be pulled into the machine, which may in particular be a dryer fabric.
  • the fabric tensioning device 10 shown in FIG. 5 is supplemented by an overall tensile force distribution system 76.
  • the total traction distribution system 76 comprises two rope-like elements 78, 80, which are preferably in the form of a belt and which preferably have substantially the same length.
  • a longitudinal end of the rope-like element 78 in FIG. 5 is connected to the force introduction device 16 of the left-hand force distribution element 12, while a longitudinal end of the right-hand rope-like element 80 in FIG.
  • the total tensile force distribution system 76 serves to distribute a total tensile force F, with which is pulled on the further rope-like element 82 substantially uniformly to the two rope-like elements 78, 80, which then each substantially equal to half the total tensile force F substantially point over the Introduce force introduction devices 16, 18 of the two force distribution elements 12, 14 in selbige.
  • a connecting piece 86 of substantially rectangular design is also shown in FIG.
  • the connecting piece 86 preferably has the same dimension in the width direction as the clothing 74 to be fed into the machine. More preferably, the connector 86 is formed of the same material as the fabric 74 to be fed into the machine. For example, the connection piece 86 may be a part of the production of the covering 74. fallen garbage of it.
  • the dimension in the width direction of the connecting piece 86 is slightly larger than the overall dimension in the width direction of the two mutually connected according to Figure 3 and 5 force distribution elements 12, 14, or the two force distribution elements 12, 14 have been connected to each other so that their overall dimension in the width direction, ie, in the cross-machine direction, is slightly smaller than the dimension in the width direction of the connecting piece 86 or the clothing to be fed into the machine 74.
  • the connecting piece 86 and the covering 74 projects beyond the two mutually connected force distribution elements 12, 14 by the same amount on both sides in the width direction.
  • the connecting piece 86 or the clothing 74 to be fed into the machine can preferably be between 100 mm and 800 mm, more preferably between 200 mm and 700 mm, larger than the overall dimension of the two mutually connected force distributing elements 12, 14, without the substantially uniform transmission of tensile forces on the fabric 74 is adversely affected or wrinkles form during insertion of the fabric 74 in the machine.
  • a plurality of short slots 88 are introduced in the latter, the slots 88 with respect to their number and dimension in the width direction of the number or dimension in the width direction of the fastening strips 32, 34 of the two force distribution elements 12, 14 correspond , In other words, each remaining, ie not cut, fastening strips 32, 34 of the two according to the figures 3 and 5 interconnected force distribution elements 12, 14 associated with exactly one slot 88.
  • FIGS. 6a, 6b and 6c which have respectively been taken along the sectional planes Via-Via, Vlb-Vlb and Vlc-Vlc indicated in FIG. 5, three of the slots 88 can be seen by way of example.
  • FIGS. 6a and 6b in each case a fastening strip 32 of the force distribution element 12 on the left in FIGS. 3 and 5 is guided through one of the slots 88, whereas in FIG. 6c a fastening strip 34 of the right-hand force distribution element in FIGS 14 is guided through one of the slots 88.
  • portions of the connector 86 are received in the formed by the 180 ° bent fastener strips 32, 34 first, second and third fastening tabs 38, 48, 72.
  • the connector 86 is thus connected for the intended use firmly with the two interconnected force distribution elements 12, 14, wherein in the two force distribution elements 12, 14 via their Krafteinleitvoriques each substantially punctiform introduced tensile force over the entire width of the connector 86 can be transmitted distributed ,
  • the connecting piece 86 which is preferably formed of the same material as the clothing to be fed into the machine, can then be connected to the clothing 74 in a manner that is known per se, relatively simply, ie, simply connectable and releasably detachable. In Figure 5, only a small portion of the fabric 74 is indicated. By the connecting piece, there is an even greater homogenization of the total tensile force F on the introduced into the machine fabric 74.
  • the fabric tensioning device 10 is again from the Covering 74 separated and the latter is closed to a Endachesiebbahn, for their intended use with a seam.
  • the special feature of the invention of the fabric tensioning device 10 compared to the known from the prior art stringing devices is their great flexibility in terms of their use for clothing or paper machines of different width, ie dimensions in the cross machine direction.
  • the width of the fabric 74 to be pulled is a little more than 10.0 m, for example 10.4 m, with a total of 21 fastening strips 32, 34 being used on the two force distribution elements 12, 14, respectively 0.5m apart.
  • the two force distribution elements 12, 14 can be connected to one another, whereby their total width can be increased stepwise, in each case in steps of 0.5 m, until the maximum width, which is 10.5 m in this embodiment, is reached.
  • the width of the covering portions 58, 60 is minimal, ie in this embodiment at 0.5m.
  • FIG. 7 a second application is shown in Figure 7, in which the same force distribution elements 12, 14 are used as in the first application.
  • the two force distribution elements 12, 14 are brought into overlapping relationship to one another.
  • seven fastening strips 32 of the first force distribution element 12 are respectively brought into registry with seven fastening strips 34 of the second force distribution element 14.
  • the clothing draw-in device 10 is optimally matched to the width of the clothing 74 'in the second application, which is 8.3 m here.
  • a connector 86 'in the second application is again formed of the same material as the fabric 74' to be fed into the machine and also has the same width as this. Otherwise, the fabric tensioning device works in the second Use case analogous to the first application, which is why in this respect reference is made to the above statements.
  • the first channel 42 and the second channel 44 are arranged such that the reinforcing elements 44, 56 arranged in them do not come to lie directly above one another in the intended use of the fabric tensioning device 10 according to the invention, but in the sectional view according to FIG 6 are arranged laterally to each other.
  • the tensioning device 10 according to the invention there is no excessive local thickening of the tensioning device 10 according to the invention, which could otherwise be critical if the tensioning device 10 is guided through nips, for example.

Landscapes

  • Treatment Of Fiber Materials (AREA)
  • Slide Fasteners, Snap Fasteners, And Hook Fasteners (AREA)

Abstract

L'invention concerne un dispositif d'insertion d'habillage destiné à insérer un habillage, en particulier une toile de sécherie, dans une machine qui est conçue pour la fabrication et/ou la finition d'une bande de matériau, en particulier d'une bande de matière fibreuse, telle que par exemple une bande de papier, de carton ou de papier ouaté. Le dispositif comporte un élément de répartition de force, lequel est conçu pour répartir uniformément une force de traction agissant sensiblement point par point le long d'une ligne. Selon l'invention, le dispositif d'insertion d'habillage comporte une pluralité d'éléments de répartition de ce type, lesquels sont configurés pour être reliés les uns aux autres lors d'une utilisation conforme à l'usage prévu.
EP18722044.7A 2017-06-27 2018-05-04 Dispositif d'insertion d'habillage et utilisation de celui-ci Withdrawn EP3645789A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202017103813.0U DE202017103813U1 (de) 2017-06-27 2017-06-27 Bespannungseinzugsvorrichtung und Verwendung selbiger
PCT/EP2018/061471 WO2019001806A1 (fr) 2017-06-27 2018-05-04 Dispositif d'insertion d'habillage et utilisation de celui-ci

Publications (1)

Publication Number Publication Date
EP3645789A1 true EP3645789A1 (fr) 2020-05-06

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EP18722044.7A Withdrawn EP3645789A1 (fr) 2017-06-27 2018-05-04 Dispositif d'insertion d'habillage et utilisation de celui-ci

Country Status (5)

Country Link
US (1) US11168443B2 (fr)
EP (1) EP3645789A1 (fr)
CN (1) CN110799703B (fr)
DE (1) DE202017103813U1 (fr)
WO (1) WO2019001806A1 (fr)

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FI129237B (en) * 2019-06-20 2021-10-15 Valmet Technologies Oy Belt mounting device

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EP1820898A1 (fr) * 2006-02-20 2007-08-22 Ichikawa Co.,Ltd. Dispositif pour installer une toile dans une machine à papier et procédé de fabrication du dispositif
JP5237886B2 (ja) * 2009-05-29 2013-07-17 日本フエルト株式会社 製紙用シームフェルトの掛け入れ用具及び掛け入れ方法

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DE202017103813U1 (de) 2017-07-20
CN110799703B (zh) 2022-04-15
US11168443B2 (en) 2021-11-09
WO2019001806A1 (fr) 2019-01-03
CN110799703A (zh) 2020-02-14

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