EP1144759A1 - Mat consisting of tubes - Google Patents

Mat consisting of tubes

Info

Publication number
EP1144759A1
EP1144759A1 EP00975781A EP00975781A EP1144759A1 EP 1144759 A1 EP1144759 A1 EP 1144759A1 EP 00975781 A EP00975781 A EP 00975781A EP 00975781 A EP00975781 A EP 00975781A EP 1144759 A1 EP1144759 A1 EP 1144759A1
Authority
EP
European Patent Office
Prior art keywords
tube
mat
tubes
mat according
closed
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP00975781A
Other languages
German (de)
French (fr)
Other versions
EP1144759B1 (en
Inventor
Bernd Pahl
Helmuth Blank
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.)
Phoenix AG
Original Assignee
Phoenix AG
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 Phoenix AG filed Critical Phoenix AG
Publication of EP1144759A1 publication Critical patent/EP1144759A1/en
Application granted granted Critical
Publication of EP1144759B1 publication Critical patent/EP1144759B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C27/00—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B9/00—Fastening rails on sleepers, or the like
    • E01B9/68—Pads or the like, e.g. of wood, rubber, placed under the rail, tie-plate, or chair
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B9/00—Fastening rails on sleepers, or the like
    • E01B9/68—Pads or the like, e.g. of wood, rubber, placed under the rail, tie-plate, or chair
    • E01B9/681—Pads or the like, e.g. of wood, rubber, placed under the rail, tie-plate, or chair characterised by the material
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B9/00—Fastening rails on sleepers, or the like
    • E01B9/68—Pads or the like, e.g. of wood, rubber, placed under the rail, tie-plate, or chair
    • E01B9/685—Pads or the like, e.g. of wood, rubber, placed under the rail, tie-plate, or chair characterised by their shape
    • E01B9/688—Pads or the like, e.g. of wood, rubber, placed under the rail, tie-plate, or chair characterised by their shape with internal cavities
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
    • E01B2204/00—Characteristics of the track and its foundations
    • E01B2204/01—Elastic layers other than rail-pads, e.g. sleeper-shoes, bituconcrete
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/13—Hollow or container type article [e.g., tube, vase, etc.]
    • Y10T428/1352—Polymer or resin containing [i.e., natural or synthetic]
    • Y10T428/1386—Natural or synthetic rubber or rubber-like compound containing
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24479—Structurally defined web or sheet [e.g., overall dimension, etc.] including variation in thickness
    • Y10T428/24496—Foamed or cellular component
    • Y10T428/24504—Component comprises a polymer [e.g., rubber, etc.]
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24479—Structurally defined web or sheet [e.g., overall dimension, etc.] including variation in thickness
    • Y10T428/24612—Composite web or sheet
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24628—Nonplanar uniform thickness material
    • Y10T428/24736—Ornamental design or indicia
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24744—Longitudinal or transverse tubular cavity or cell

Definitions

  • the invention relates to a tubular mat made of elastomeric material in the form of an extrudate, comprising at least
  • a first and second end face which are arranged perpendicular or angled to the extrusion direction; such as
  • a generic tube mat is described in detail, for example, in the documents DE-C-33 45 388, DE-C-34 03 234, DE-C-35 24 719 and EP-B-0 569 867.
  • the object of the invention is to provide a tube mat in which the ingress of dirt and water is largely excluded, combined with an improvement in the elastic properties of the article while increasing the service life, and this with dynamic continuous loads.
  • the tubes are closed at adjustable intervals, specifically with the formation of an enclosed air column, the tube closure forming an integral elastomer composite with the tube mat.
  • the tube closure can run in a line perpendicularly or at an angle not equal to 90 °, preferably at an angle of 45 ° to 80 °, to the direction of extrusion.
  • the first and second end faces of the tube mat are closed, with the formation of a completely closed tube system.
  • the first and / or second end face of the tube mat is / are partially or completely open, with the formation of a corresponding open end area. However, there is a closed tube system in the center area of the tube mat.
  • the tube mat consists of a vulcanized rubber mixture based on ethylene-propylene-diene copolymer (EPDM), the hardness in Shore A being 30 ° to 50 °.
  • EPDM ethylene-propylene-diene copolymer
  • the alternative material is a vulcanized rubber mixture based on natural rubber (NR), whereby the hardness in Shore A is 30 ° to 60 °.
  • Other common mixture ingredients of the respective rubber mixture are, for example, sulfur or sulfur donors, accelerators, zinc oxide, filler and anti-aging agents.
  • the tube mat according to the invention is used in particular in rail traffic technology, specifically in the context of vibration damping and sound insulation for the following areas of use:
  • the tube mat serves as an elastic mat in the track bed or ballast bed. From this point of view, the tube mat is also used as a track bed mat or Marked sub-ballast mat.
  • the mat can optionally be covered with a protective fleece layer or the like.
  • the tube mat has the function of an elastic insert in sleeper shoe systems.
  • the object of the invention is to provide a method for the tube mat of the type described above, which ensures a secure tube closure and is economical.
  • the tubes are pressed in with the aid of a pressure roller, which is provided with pins distributed over the circumference of the roller, with the formation of beads and sealing webs;
  • Fig. 2 details of the tube closure according to section line A-A (Fig. 1);
  • FIG. 3 shows a tube mat with closure of the tubes under a line perpendicular to the direction of extrusion; 4 shows a tube mat according to section line AA (FIG. 3);
  • Fig. 5 shows a tube mat according to section line B-B (Fig. 3);
  • FIG. 6 shows a process sequence for producing a tube mat according to FIG. 1.
  • Fig. 1 shows a tube mat 1 made of elastomeric material, i.e. made of rubber or rubber-like plastic.
  • This tube mat is an extrudate with extrusion direction Y.
  • a length L of up to 100 m can be realized.
  • the tube mat 1 has a plurality of tubes 2, which run parallel in the extrusion direction Y.
  • the tubes are closed at adjustable intervals a with formation of an enclosed air column.
  • the tube closure 3 runs here in a line X at an angle ⁇ of approximately 55 ° to the extrusion direction Y. This creates several closed tube segments I, II, III and IV.
  • Fig. 2 shows the tube closure 3, wherein a bead 5 is formed on the top 4 of the tube mat 1 within the closure area.
  • the tube closure itself is caused by the closure web 6.
  • FIG. 3 shows a tube mat 7 with tubes 8.
  • a plurality of tube closures 9, 10 are formed which, in contrast to the exemplary embodiment according to FIG. 1, run in a line X perpendicular to the extrusion direction Y here.
  • the tubes 8 are closed at an adjustable distance b, namely to form a closed tube segment V.
  • the article is cut along the line X, a first end face 11 and a second end face 12 being formed, each of which is completely closed. There is only a single closed tube segment V here.
  • Such a tube mat is used, for example, as an elastic insert in sleeper shoe systems.
  • FIG. 4 shows the cross section (A-A) of the tube mat 7 according to FIG. 3, the tubes 8, viewed in cross section, being essentially semicircular in shape, in an alternative structural arrangement.
  • tubes with a different cross-sectional shape e.g. circular are also possible.
  • FIG. 5 now shows a longitudinal section (B-B) of the tube mat 7 according to FIG. 3, namely to form a closed tube 8.
  • the tube closure 9, 10 the same applies as for the tube closure 3 according to FIG. 2.
  • FIG. 6 now describes the procedural sequence of a tube mat 1 according to FIG. 1.
  • the sheet-like tubular mat 1 emerges from the extruder 13 in the extrusion direction Y.
  • the tube mat is now guided on a load-bearing sliding system, in particular in the form of support rollers 14.
  • the tube closure 3 (Fig. 1, 2) runs in a line X at an angle not equal to 90 °.
  • the tube mat 1 enters a vulcanization channel 17.
  • the vulcanization takes place without pressure in the UHF channel, in a salt bath system or hot air system.
  • the pins 17 are advantageously interchangeable. Pins with a diameter of about 20 mm, for example, have proven themselves in track bed mats or sub-ballast mats.
  • a tube closure 3 can also be realized, which runs in a line X perpendicular to the direction of extrusion Y.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Mattresses And Other Support Structures For Chairs And Beds (AREA)
  • Making Paper Articles (AREA)
  • Railway Tracks (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Steam Or Hot-Water Central Heating Systems (AREA)
  • Bathtub Accessories (AREA)
  • Tubes (AREA)
  • Materials For Medical Uses (AREA)

Abstract

The invention relates to a mat (1) consisting of tubes made of an elastomeric material in the form of an extrudate. The inventive mat comprises at least a first and a second front face which are arranged in a vertical or angled manner in relation to the extrusion direction and at least several tubes (2) which extend in parallel in the extrusion direction and between the two front faces. The inventive mat (1) consisting of tubes is characterised in that at least a portion of the tubes (2) is closed at adjustable distances, whereby a closed air column respectively is formed and whereby the tube seal (3), together with the mat consisting of tubes, forms a single-piece elastomer compound. Furthermore, an advantageous method for producing the inventive mat (1) consisting of tubes is provided. According to the inventive method and after the extrusion, the tubes (2) are closed at certain points by means of pressure and a pad roller, whereby beads (5) and closing webs (6) are produced. The pad roller is provided with pins that are distributed over the circumference of the roller. Vulcanisation is carried out subsequently.

Description

Röhrenmatte mat made of tubes
Beschreibungdescription
Die Erfindung betrifft eine Röhrenmatte aus elastomerem Werkstoff in Form eines Extrudates, umfassend wenigstensThe invention relates to a tubular mat made of elastomeric material in the form of an extrudate, comprising at least
- eine erste und zweite Stirnseite, die senkrecht oder gewinkelt zur Extrusionsrichtung angeordnet sind; sowie- A first and second end face, which are arranged perpendicular or angled to the extrusion direction; such as
- mehrere Röhren, die zwischen den beiden Stirnseiten parallel in Extrusionsrichtung verlaufen.- Several tubes that run parallel between the two end faces in the extrusion direction.
Eine gattungsgemäße Röhrenmatte wird beispielsweise in den Druckschriften DE-C-33 45 388, DE-C-34 03 234, DE-C-35 24 719 und EP-B-0 569 867 ausführlich beschrieben.A generic tube mat is described in detail, for example, in the documents DE-C-33 45 388, DE-C-34 03 234, DE-C-35 24 719 and EP-B-0 569 867.
Bei den bisher bekannten Röhrenmatten konnte stirnseitig Schmutz und Wasser eintreten, was dann häufig dazu führte, daß die Röhrenmatte nicht mehr ihre volle Funktion in bezug auf ihre Elastizität erfüllen konnte.In the previously known tube mats, dirt and water could enter at the end, which often led to the tube mat no longer being able to fulfill its full function in terms of its elasticity.
Die Aufgabe der Erfindung besteht nun darin, eine Röhrenmatte bereitzustellen, bei der das Eindringen von Schmutz und Wasser weitestgehend ausgeschlossen wird, verbunden mit einer Verbesserung der elastischen Eigenschaften des Artikels bei gleichzeitiger Erhöhung der Lebensdauer, und dies bei dynamischen Dauerbeanspruchungen.The object of the invention is to provide a tube mat in which the ingress of dirt and water is largely excluded, combined with an improvement in the elastic properties of the article while increasing the service life, and this with dynamic continuous loads.
Gelöst wird diese Aufgabe dadurch, daß wenigstens ein Teil der Röhren in einstellbaren Abständen geschlossen sind, und zwar unter Ausbildung jeweils einer eingeschlossenen Luftsäule, wobei der Röhrenverschluß einen einstückigen Elastomerverbund mit der Röhrenmatte bildet. Der Röhrenverschluß kann dabei in einer Linie senkrecht oder in einem Winkel ungleich 90°, vorzugsweise in einem Winkel von 45° bis 80°, zur Extrusionsrichtung verlaufen.This object is achieved in that at least some of the tubes are closed at adjustable intervals, specifically with the formation of an enclosed air column, the tube closure forming an integral elastomer composite with the tube mat. The tube closure can run in a line perpendicularly or at an angle not equal to 90 °, preferably at an angle of 45 ° to 80 °, to the direction of extrusion.
Hinsichtlich des Röhrenverschlusses kommen insbesondere folgende beiden Varianten zur Anwendung:With regard to the tube closure, the following two variants are used in particular:
- Die erste und zweite Stirnseite der Röhrenmatte sind geschlossen, und zwar unter Ausbildung eines vollständig geschlossenen Röhrensystems.- The first and second end faces of the tube mat are closed, with the formation of a completely closed tube system.
- Die erste und/oder zweite Stirnseite der Röhrenmatte ist/sind teilweise oder vollständig offen, und zwar unter Ausbildung eines entsprechenden offenen Stirnbereiches. Im Mittenbereich der Röhrenmatte liegt jedoch ein geschlossenes Röhrensystem vor.- The first and / or second end face of the tube mat is / are partially or completely open, with the formation of a corresponding open end area. However, there is a closed tube system in the center area of the tube mat.
Zweckmäßigerweise werden für die Röhrenmatte folgende Werkstoffe verwendet:The following materials are expediently used for the tube mat:
- Die Röhrenmatte besteht aus einer vulkanisierten Kautschukmischung auf der Basis von Ethylen-Propylen-Dien-Mischpolymerisat (EPDM), wobei die Härte in Shore A 30° bis 50° beträgt.- The tube mat consists of a vulcanized rubber mixture based on ethylene-propylene-diene copolymer (EPDM), the hardness in Shore A being 30 ° to 50 °.
- Der alternative Werkstoff ist eine vulkanisierte Kautschukmischung auf der Basis von Naturkautschuk (NR), wobei hier die Härte in Shore A 30° bis 60° beträgt.- The alternative material is a vulcanized rubber mixture based on natural rubber (NR), whereby the hardness in Shore A is 30 ° to 60 °.
Weitere übliche Mischungsingredienzien der jeweiligen Kautschukmischung sind beispielsweise Schwefel oder Schwefelspender, Beschleuniger, Zinkoxid, Füllstoff und Alterungsschutzmittel.Other common mixture ingredients of the respective rubber mixture are, for example, sulfur or sulfur donors, accelerators, zinc oxide, filler and anti-aging agents.
Die erfindungsgemäße Röhrenmatte findet insbesondere in der Schienenverkehrstechnik Anwendung, und zwar im Rahmen der Schwingungsdämpfung und Schalldämmung für folgende Einsatzgebiete:The tube mat according to the invention is used in particular in rail traffic technology, specifically in the context of vibration damping and sound insulation for the following areas of use:
- Sie dient als elastische Matte im Gleisbett oder Schotterbett. Unter diesem Gesichtspunkt wird die Röhrenmatte auch als Gleisbettmatte bzw. Unterschottermatte bezeichnet. Die Matte kann dabei gegebenenfalls mit einer Vliesschutzschicht oder dergleichen abgedeckt sein.- It serves as an elastic mat in the track bed or ballast bed. From this point of view, the tube mat is also used as a track bed mat or Marked sub-ballast mat. The mat can optionally be covered with a protective fleece layer or the like.
- Die Röhrenmatte hat die Funktion einer elastischen Einlage in Schwellenschuhsystemen.- The tube mat has the function of an elastic insert in sleeper shoe systems.
- Sie dient ferner als elastische Unterlage in Schienenstützpunkten, insbesondere wiederum in Form einer Schienenunterlage, die unterhalb des Schienenfußes angeordnet ist.- It also serves as an elastic base in rail support points, in particular in the form of a rail base, which is arranged below the rail base.
Darüber hinaus besteht die Aufgabe der Erfindung darin, für die Röhrenmatte der oben beschriebenen Art ein Verfahren bereitzustellen, das einen sicheren Röhrenverschluß gewährleistet sowie wirtschaftlich ist.In addition, the object of the invention is to provide a method for the tube mat of the type described above, which ensures a secure tube closure and is economical.
Ein besonders vorteilhaftes Verfahren zur Herstellung der erfindungsgemäßen Röhrenmatte zeichnet sich durch folgende Verfahrensschritte aus:A particularly advantageous process for producing the tube mat according to the invention is characterized by the following process steps:
- nach der Extrusion werden mit Hilfe einer Andrückrolle, die über den Umfang der Rolle verteilt mit Stiften versehen ist, die Röhren zugedrückt, und zwar unter Ausbildung von Sicken und Verschlußstegen;- After the extrusion, the tubes are pressed in with the aid of a pressure roller, which is provided with pins distributed over the circumference of the roller, with the formation of beads and sealing webs;
- anschließend wird vulkanisiert.- then vulcanization.
Weitere vorteilhafte Verfahrensparameter werden im Rahmen der Figurenbeschreibung vorgestellt. Es zeigen:Further advantageous process parameters are presented in the description of the figures. Show it:
Fig. 1 eine Röhrenmatte mit Verschluß der Röhren unter Linienführung im Winkel ungleich 90° zur Extrusionsrichtung;1 shows a tube mat with closure of the tubes with lines at an angle not equal to 90 ° to the direction of extrusion.
Fig. 2 Details des Röhrenverschlusses gemäß Schnittlinie A-A (Fig. 1);Fig. 2 details of the tube closure according to section line A-A (Fig. 1);
Fig. 3 eine Röhrenmatte mit Verschluß der Röhren unter einer Linienführung senkrecht zur Extrusionsrichtung; Fig. 4 eine Röhrenmatte gemäß Schnittlinie A-A (Fig. 3);3 shows a tube mat with closure of the tubes under a line perpendicular to the direction of extrusion; 4 shows a tube mat according to section line AA (FIG. 3);
Fig. 5 eine Röhrenmatte gemäß Schnittlinie B-B (Fig. 3);Fig. 5 shows a tube mat according to section line B-B (Fig. 3);
Fig. 6 einen Verfahrensablauf der Herstellung einer Röhrenmatte gemäß Fig. 1.6 shows a process sequence for producing a tube mat according to FIG. 1.
In Verbindung mit diesen Figuren gilt folgende Bezugsziffernliste:In connection with these figures, the following list of reference numbers applies:
1 Röhrenmatte1 tube mat
2 Röhren2 tubes
3 Röhrenverschluß3 tube closure
4 Oberseite der Röhrenmatte4 Top of the tube mat
5 Sicke5 beads
6 Verschlußsteg6 locking bar
7 Röhrenmatte7 tube mat
8 Röhren8 tubes
9 Röhrenverschluß9 tube closure
10 Röhrenverschluß10 tube closure
11 erste Stirnseite der Röhrenmatte11 first face of the tube mat
12 zweite Stirnseite der Röhrenmatte12 second face of the tube mat
13 Extruder mit Austrittsöffnung13 extruders with outlet
14 Tragrollen14 idlers
15 Andrückrolle15 pressure roller
16 Stifte16 pens
17 Vulkanisationskanal17 vulcanization channel
Fig. 1 zeigt eine Röhrenmatte 1 aus elastomerem Werkstoff, d.h. aus Gummi oder gummiähnlichem Kunststoff. Diese Röhrenmatte ist ein Extrudat mit der Extrusionsrichtung Y. Dabei ist eine Länge L bis zu 100 m realisierbar.Fig. 1 shows a tube mat 1 made of elastomeric material, i.e. made of rubber or rubber-like plastic. This tube mat is an extrudate with extrusion direction Y. A length L of up to 100 m can be realized.
Die Röhrenmatte 1 weist mehrere Röhren 2 auf, die parallel in Extrusionsrichtung Y verlaufen. Die Röhren sind dabei in einstellbaren Abständen a geschlossen, und zwar unter Ausbildung jeweils einer eingeschlossenen Luftsäule. Der Röhrenverschluß 3 verläuft hier in einer Linie X bei einem Winkel α von etwa 55° zur Extrusionsrichtung Y. Dabei entstehen mehrere geschlossene Röhrensegmente I, II, III und IV.The tube mat 1 has a plurality of tubes 2, which run parallel in the extrusion direction Y. The tubes are closed at adjustable intervals a with formation of an enclosed air column. The tube closure 3 runs here in a line X at an angle α of approximately 55 ° to the extrusion direction Y. This creates several closed tube segments I, II, III and IV.
Im Rahmen eines Artikelschnittes gibt es nun je nach Anforderung folgende zwei Möglichkeiten:Depending on the requirements, there are now two options for an article cut:
- Der Schnitt erfolgt entlang der Linie X mittig durch den Röhrenverschluß 3. Dadurch entsteht eine Stirnseite der Röhrenmatte, die vollständig geschlossen ist.- The cut is made along the line X in the middle through the tube closure 3. This creates an end face of the tube mat that is completely closed.
- Der Schnitt erfolgt entlang der Linie Z senkrecht zur Extrusionsrichtung Y. Dadurch entsteht ein Röhrensegment III, das innerhalb der Stirnseite der Röhrenmatte offen ist. Dies kann jedoch in Kauf genommen werden, wenn die Röhrenmatte wenigstens ein geschlossenes Röhrensegment, insbesondere mehrere geschlossene Röhrensegmente in Reihenschaltung besitzt. Dies ist bei der Verwendung der Röhrenmatte 1 als Gleisbettmatte bzw. Unterschottermatte auch der Fall.- The cut is made along the line Z perpendicular to the extrusion direction Y. This creates a tube segment III, which is open within the end face of the tube mat. However, this can be accepted if the tube mat has at least one closed tube segment, in particular several closed tube segments connected in series. This is also the case when using the tube mat 1 as a track bed mat or sub-ballast mat.
Fig. 2 zeigt den Röhrenverschluß 3, wobei auf der Oberseite 4 der Röhrenmatte 1 innerhalb des Verschlußbereiches eine Sicke 5 gebildet ist. Der Röhrenverschluß selbst wird durch den Verschlußsteg 6 hervorgerufen.Fig. 2 shows the tube closure 3, wherein a bead 5 is formed on the top 4 of the tube mat 1 within the closure area. The tube closure itself is caused by the closure web 6.
Erfolgt nun der Artikelschnitt entlang der Linie X mittig durch den Verschlußsteg 6, entsteht eine geschlossene Stirnseite der Röhrenmatte 1.If the article is cut along the line X in the middle through the closure web 6, a closed end face of the tube mat 1 is created.
Fig. 3 zeigt eine Röhrenmatte 7 mit Röhren 8. Bei der Herstellung dieser Röhrenmatte als zunächst bahnförmiges Gebilde werden mehrere Röhrenverschlüsse 9, 10 gebildet, die hier im Gegensatz zu dem Ausführungsbeispiel gemäß Fig. 1 in einer Linie X senkrecht zur Extrusionsrichtung Y verlaufen. Die Röhren 8 sind dabei in einem einstellbaren Abstand b geschlossen, und zwar unter Ausbildung eines geschlossenen Röhrensegmentes V. Im Rahmen dieses Ausführungsbeispiels erfolgt nun der Artikelschnitt entlang der Linie X, wobei sich eine erste Stirnseite 11 und eine zweite Stirnseite 12 bilden, die jeweils vollständig geschlossen sind. Dabei ist nur ein einziges geschlossenes Röhrensegment V vorhanden.3 shows a tube mat 7 with tubes 8. In the manufacture of this tube mat as an initially web-like structure, a plurality of tube closures 9, 10 are formed which, in contrast to the exemplary embodiment according to FIG. 1, run in a line X perpendicular to the extrusion direction Y here. The tubes 8 are closed at an adjustable distance b, namely to form a closed tube segment V. Within the scope of this exemplary embodiment, the article is cut along the line X, a first end face 11 and a second end face 12 being formed, each of which is completely closed. There is only a single closed tube segment V here.
Eine derartige Röhrenmatte wird beispielsweise als elastische Einlage im Schwellenschuhsystemen verwendet.Such a tube mat is used, for example, as an elastic insert in sleeper shoe systems.
Fig. 4 zeigt den Querschnitt (A-A) der Röhrenmatte 7 gemäß Fig. 3, wobei die Röhren 8 im Querschnitt gesehen im wesentlichen von halbkreisförmiger Gestalt sind, und zwar in alternativer Strukturanordnung. Es sind aber auch Röhren mit einer anderen Querschnittsgestalt (z.B. kreisförmig) möglich.FIG. 4 shows the cross section (A-A) of the tube mat 7 according to FIG. 3, the tubes 8, viewed in cross section, being essentially semicircular in shape, in an alternative structural arrangement. However, tubes with a different cross-sectional shape (e.g. circular) are also possible.
Fig. 5 zeigt nun einen Längsschnitt (B-B) der Röhrenmatte 7 gemäß Fig. 3, und zwar unter Ausbildung einer geschlossenen Röhre 8. Hinsichtlich des Röhrenverschlusses 9, 10 gilt das gleiche wie bei dem Röhrenverschluß 3 gemäß Fig. 2.FIG. 5 now shows a longitudinal section (B-B) of the tube mat 7 according to FIG. 3, namely to form a closed tube 8. With regard to the tube closure 9, 10, the same applies as for the tube closure 3 according to FIG. 2.
Fig. 6 beschreibt nun den verfahrenstechnischen Ablauf einer Röhrenmatte 1 gemäß Fig. 1.FIG. 6 now describes the procedural sequence of a tube mat 1 according to FIG. 1.
Aus dem Extruder 13 tritt in Extrusionsrichtung Y die bahnförmige Röhrenmatte 1 aus. Auf einem tragenden Gleitsystem, insbesondere in Form von Tragrollen 14, wird nun die Röhrenmatte geführt. Eine Andrückrolle 15, die über den Umfang der Rolle verteilt mit Stiften 16 versehen ist, drückt nun die Röhren punktuell (d.h. ausschließlich innerhalb des Verschlußbereiches) zu, und zwar unter Ausbildung von Sicken 5 und Verschlußstegen 6 (Fig. 2). Der Röhrenverschluß 3 (Fig. 1 , 2) verläuft dabei in einer Linie X bei einem Winkel ungleich 90°.The sheet-like tubular mat 1 emerges from the extruder 13 in the extrusion direction Y. The tube mat is now guided on a load-bearing sliding system, in particular in the form of support rollers 14. A pressure roller 15, which is provided with pins 16 distributed over the circumference of the roller, now presses the tubes at points (i.e. exclusively within the closure region), with the formation of beads 5 and closure webs 6 (FIG. 2). The tube closure 3 (Fig. 1, 2) runs in a line X at an angle not equal to 90 °.
Nun tritt die Röhrenmatte 1 in einen Vulkanisationskanal 17 ein. Die Vulkanisation erfolgt dabei drucklos im UHF-Kanal, in einer Salzbadanlage oder Heißluftanlage. Die Stifte 17 sind vorteilhafterweise auswechselbar. Stifte mit einem Durchmesser von etwa 20 mm beispielsweise haben sich bei Gleisbettmatten bzw. Unterschottermatten bewährt.Now the tube mat 1 enters a vulcanization channel 17. The vulcanization takes place without pressure in the UHF channel, in a salt bath system or hot air system. The pins 17 are advantageously interchangeable. Pins with a diameter of about 20 mm, for example, have proven themselves in track bed mats or sub-ballast mats.
Bei einem anderen Anordnungsprinzip der Andrückrolle 15 und der Stifte 16 ist auch ein Röhrenverschluß 3 realisierbar, der in einer Linie X senkrecht zur Extrusionsrichtung Y verläuft. In another arrangement principle of the pressure roller 15 and the pins 16, a tube closure 3 can also be realized, which runs in a line X perpendicular to the direction of extrusion Y.

Claims

Patentansprüche claims
1. Röhrenmatte (1 , 7) aus elastomerem Werkstoff in Form eines Extrudates, umfassend wenigstens1. tube mat (1, 7) made of elastomeric material in the form of an extrudate, comprising at least
- eine erste und zweite Stirnseite (11 , 12), die senkrecht oder gewinkelt zur Extrusionsrichtung (Y) angeordnet sind; sowie- A first and second end face (11, 12) which are arranged perpendicular or angled to the extrusion direction (Y); such as
- mehrere Röhren (2, 8), die zwischen den beiden Stirnseiten (11 , 12) parallel in Extrusionsrichtung (Y) verlaufen;- a plurality of tubes (2, 8) which run parallel between the two end faces (11, 12) in the extrusion direction (Y);
dadurch gekennzeichnet, daßcharacterized in that
- wenigstens ein Teil der Röhren (2, 8) in einstellbaren Abständen (a, b) geschlossen sind, und zwar unter Ausbildung jeweils einer eingeschlossenen Luftsäule, wobei der Röhrenverschluß (3, 9, 10) einen einstückigen Elastomerverbund mit der Röhrenmatte (1 , 7) bildet.- At least some of the tubes (2, 8) are closed at adjustable intervals (a, b), specifically forming an enclosed air column, the tube closure (3, 9, 10) being an integral elastomer composite with the tube mat (1, 7) forms.
2. Röhrenmatte nach Anspruch 1 , dadurch gekennzeichnet, daß der Röhrenverschluß (9, 10) in einer Linie (X) senkrecht zur Extrusionsrichtung (Y) verläuft.2. Tube mat according to claim 1, characterized in that the tube closure (9, 10) in a line (X) perpendicular to the extrusion direction (Y).
3. Röhrenmatte nach Anspruch 1 , dadurch gekennzeichnet, daß der Röhrenverschluß (3) in einer Linie (X) bei einem Winkel α ungleich 90°, vorzugsweise in einem Winkel von 45° bis 80°, zur Extrusionsrichtung (Y) verläuft.3. Tube mat according to claim 1, characterized in that the tube closure (3) in a line (X) at an angle α is not equal to 90 °, preferably at an angle of 45 ° to 80 °, to the extrusion direction (Y).
4. Röhrenmatte nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß die erste und zweite Stirnseite (11 , 12) geschlossen sind, und zwar unter Ausbildung eines vollständig geschlossenen Röhrensystems. 4. Tube mat according to one of claims 1 to 3, characterized in that the first and second end faces (11, 12) are closed, with the formation of a completely closed tube system.
5. Röhrenmatte nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß die erste und/oder zweite Stirnseite (1 1 , 12) teilweise oder vollständig offen ist/sind, und zwar unter Ausbildung eines entsprechenden offenen Stirnbereiches, jedoch eines geschlossenen Röhrensystems im Mittenbereich der Röhrenmatte.5. Tubular mat according to one of claims 1 to 3, characterized in that the first and / or second end face (1 1, 12) is / are partially or completely open, with the formation of a corresponding open end area, but a closed tube system in Center area of the tube mat.
6. Röhrenmatte nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß diese aus einer vulkanisierten Kautschukmischung auf der Basis von Ethylen- Propylen-Dien-Mischpolymerisat (EPDM) besteht.6. Tubular mat according to one of claims 1 to 5, characterized in that it consists of a vulcanized rubber mixture based on ethylene-propylene-diene copolymer (EPDM).
7. Röhrenmatte nach Anspruch 6, dadurch gekennzeichnet, daß die Härte in Shore A 30° bis 50° beträgt.7. tube mat according to claim 6, characterized in that the hardness in Shore A is 30 ° to 50 °.
8. Röhrenmatte nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß diese aus einer vulkanisierten Kautschukmischung auf der Basis von Naturkautschuk (NR) besteht.8. Tube mat according to one of claims 1 to 5, characterized in that it consists of a vulcanized rubber mixture based on natural rubber (NR).
9. Röhrenmatte nach Anspruch 8, dadurch gekennzeichnet, daß die Härte in Shore A 30° bis 60° beträgt.9. tube mat according to claim 8, characterized in that the hardness in Shore A is 30 ° to 60 °.
10. Röhrenmatte nach einem der Ansprüche 1 bis 9, insbesondere in Verbindung mit Anspruch 3 und 5, zur Verwendung als elastische Matte im Gleisbett oder Schotterbett, wobei die Matte gegebenenfalls mit einer Viiesschutzschicht oder dergleichen abgedeckt ist.10. Tubular mat according to one of claims 1 to 9, in particular in connection with claims 3 and 5, for use as an elastic mat in the track bed or ballast bed, the mat optionally being covered with a protective layer or the like.
11. Röhrenmatte nach einem der Ansprüche 1 bis 9, insbesondere in Verbindung mit Anspruch 2 und 4, zur Verwendung als elastische Einlage in Schwellenschuhsystemen.11. Tubular mat according to one of claims 1 to 9, in particular in connection with claims 2 and 4, for use as an elastic insert in sleeper shoe systems.
12. Röhrenmatte nach einem der Ansprüche 1 bis 9, insbesondere in Verbindung mit Anspruch 2 und 4, zur Verwendung als elastische Unterlage in Schienenstützpunkten, insbesondere in Form einer Schienenunterlage, die unterhalb des Schienenfußes angeordnet ist. 12. Tube mat according to one of claims 1 to 9, in particular in connection with claims 2 and 4, for use as an elastic base in rail support points, in particular in the form of a rail base, which is arranged below the rail foot.
13. Verfahren zum Herstellen einer Röhrenmatte nach einem der Ansprüche 1 bis 12, gekennzeichnet durch folgende Verfahrensschritte:13. A method for producing a tube mat according to one of claims 1 to 12, characterized by the following method steps:
- nach der Extrusion werden mit Hilfe einer Andrückrolle (15), die über den Umfang der Rolle verteilt mit Stiften (16) versehen ist, die Röhren innerhalb des Verschlußbereiches zugedrückt, und zwar unter Ausbildung von Sicken (5) und Verschlußstegen (6);- After the extrusion, the tubes within the closure region are pressed together with the aid of a pressure roller (15), which is provided with pins (16) distributed over the circumference of the roller, with the formation of beads (5) and closure webs (6);
- anschließend wird vulkanisiert.- then vulcanization.
14. Verfahren nach Anspruch 13, dadurch gekennzeichnet, daß auswechselbare Stifte (16) verwendet werden.14. The method according to claim 13, characterized in that interchangeable pins (16) are used.
15. Verfahren nach Anspruch 13 oder 14, dadurch gekennzeichnet, daß die Vulkanisation drucklos im UHF-Kanal, in einer Salzbadanlage oder Heißluftanlage erfolgt.15. The method according to claim 13 or 14, characterized in that the vulcanization takes place without pressure in the UHF channel, in a salt bath system or hot air system.
16. Verfahren nach einem der Ansprüche 13 bis 15, dadurch gekennzeichnet, daß die Röhrenmatte (1 , 7) in großer Länge hergestellt wird, und zwar unter Ausbildung von geschlossenen Röhrensegmenten (I, II, III, IV, V), verbunden mit einem anschließenden Artikelschnitt je nach Verwendungszweck. 16. The method according to any one of claims 13 to 15, characterized in that the tube mat (1, 7) is made in great length, with the formation of closed tube segments (I, II, III, IV, V), connected to a subsequent article cutting depending on the intended use.
EP00975781A 1999-10-18 2000-09-21 Mat consisting of tubes and method of fabrication Expired - Lifetime EP1144759B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19950253 1999-10-18
DE19950253 1999-10-18
PCT/DE2000/003289 WO2001029319A1 (en) 1999-10-18 2000-09-21 Mat consisting of tubes

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EP1144759A1 true EP1144759A1 (en) 2001-10-17
EP1144759B1 EP1144759B1 (en) 2004-06-16

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EP (1) EP1144759B1 (en)
JP (1) JP2003512545A (en)
KR (1) KR20010101176A (en)
CN (1) CN1138038C (en)
AT (1) ATE269443T1 (en)
AU (1) AU773285B2 (en)
CZ (1) CZ296235B6 (en)
DE (2) DE10046802A1 (en)
DK (1) DK1144759T3 (en)
ES (1) ES2220562T3 (en)
HK (1) HK1040101B (en)
HU (1) HU226391B1 (en)
PL (1) PL348299A1 (en)
PT (1) PT1144759E (en)
RU (1) RU2215842C2 (en)
WO (1) WO2001029319A1 (en)

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PL348299A1 (en) 2002-05-20
PT1144759E (en) 2004-11-30
ES2220562T3 (en) 2004-12-16
DK1144759T3 (en) 2004-08-30
ATE269443T1 (en) 2004-07-15
CN1138038C (en) 2004-02-11
HK1040101A1 (en) 2002-05-24
US6649237B1 (en) 2003-11-18
RU2215842C2 (en) 2003-11-10
EP1144759B1 (en) 2004-06-16
HK1040101B (en) 2004-10-08
HU226391B1 (en) 2008-10-28
HUP0104938A2 (en) 2002-03-28
CZ296235B6 (en) 2006-02-15
AU773285B2 (en) 2004-05-20
KR20010101176A (en) 2001-11-14
DE50006812D1 (en) 2004-07-22
CN1327497A (en) 2001-12-19
WO2001029319A1 (en) 2001-04-26
US20040053004A1 (en) 2004-03-18
JP2003512545A (en) 2003-04-02
DE10046802A1 (en) 2001-04-19
AU1380101A (en) 2001-04-30
CZ20012163A3 (en) 2001-11-14
HUP0104938A3 (en) 2002-04-29

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