DE102005010467A1 - Butt splicing method for joining cut ends of cord reinforced tire plies involves addition of rubberized connecting strip between component ends before splicing - Google Patents

Butt splicing method for joining cut ends of cord reinforced tire plies involves addition of rubberized connecting strip between component ends before splicing Download PDF

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Publication number
DE102005010467A1
DE102005010467A1 DE102005010467A DE102005010467A DE102005010467A1 DE 102005010467 A1 DE102005010467 A1 DE 102005010467A1 DE 102005010467 A DE102005010467 A DE 102005010467A DE 102005010467 A DE102005010467 A DE 102005010467A DE 102005010467 A1 DE102005010467 A1 DE 102005010467A1
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Germany
Prior art keywords
butt
material ends
intermediate member
splicing
rubber
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DE102005010467A
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German (de)
Inventor
Claudia Thomfohrde
Markus Groppe
Jens Winkler
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Continental AG
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Continental AG
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Priority to DE102005010467A priority Critical patent/DE102005010467A1/en
Publication of DE102005010467A1 publication Critical patent/DE102005010467A1/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
    • B29C65/50—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding using adhesive tape, e.g. thermoplastic tape; using threads or the like
    • B29C65/5057—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding using adhesive tape, e.g. thermoplastic tape; using threads or the like positioned between the surfaces to be joined
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
    • B29C65/50—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding using adhesive tape, e.g. thermoplastic tape; using threads or the like
    • B29C65/5064—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding using adhesive tape, e.g. thermoplastic tape; using threads or the like of particular form, e.g. being C-shaped, T-shaped
    • B29C65/5071—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding using adhesive tape, e.g. thermoplastic tape; using threads or the like of particular form, e.g. being C-shaped, T-shaped and being composed by one single element
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
    • B29C66/114—Single butt joints
    • B29C66/1142—Single butt to butt joints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • B29C66/43—Joining a relatively small portion of the surface of said articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/71—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the composition of the plastics material of the parts to be joined
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/84—Specific machine types or machines suitable for specific applications
    • B29C66/855—Belt splicing machines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D30/00—Producing pneumatic or solid tyres or parts thereof
    • B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
    • B29D30/38—Textile inserts, e.g. cord or canvas layers, for tyres; Treatment of inserts prior to building the tyre
    • B29D30/42—Endless textile bands without bead-rings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
    • B29C65/50—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding using adhesive tape, e.g. thermoplastic tape; using threads or the like
    • B29C65/5064—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding using adhesive tape, e.g. thermoplastic tape; using threads or the like of particular form, e.g. being C-shaped, T-shaped
    • B29C65/5085—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding using adhesive tape, e.g. thermoplastic tape; using threads or the like of particular form, e.g. being C-shaped, T-shaped and comprising grooves, e.g. being E-shaped, H-shaped
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D30/00—Producing pneumatic or solid tyres or parts thereof
    • B29D30/06—Pneumatic tyres or parts thereof (e.g. produced by casting, moulding, compression moulding, injection moulding, centrifugal casting)
    • B29D30/38—Textile inserts, e.g. cord or canvas layers, for tyres; Treatment of inserts prior to building the tyre
    • B29D30/42—Endless textile bands without bead-rings
    • B29D2030/421—General aspects of the joining methods and devices for creating the bands
    • B29D2030/422—Butt joining
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2030/00—Pneumatic or solid tyres or parts thereof
    • B29L2030/003—Plies; Breakers

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Abstract

Two opposing ends(6,7) of a tire component to be spliced are accurately positioned relative to each other. In order to increase the strength of the joint between the ends a connecting strip(11) is positioned between the exposed material ends prior to joining the ends by a butt splicing method. One or both free ends of the tire component may have a partly exposed cord, i.e. there is no rubber coating, prior to splicing. The connecting strip(11) can be either a rectangular or circular cross-section, rubber coated cord, a rubber strip(10) or a Z- or U-shaped shaped rubber lip. An independent claim is included for a vehicle tire constructed using the claimed process.

Description

Die Erfindung betrifft ein Verfahren zum Stumpfspleißen von Reifenaufbauteilen mit Festigkeitsträgern.The The invention relates to a method for butt splicing tire building parts with reinforcements.

Bei der Herstellung von Fahrzeugreifen besteht ein Verfahrensschritt darin, Materialenden von Reifenaufbauteilen, z.B. einer Textilkarkasse, in einem so genannten Stumpfspleißvorgang zusammenzufügen.at the production of vehicle tires is a procedural step therein, material ends of tire building parts, e.g. a textile carcass, in a so-called butt fusion process.

Die Verbindung der Reifenbauteile mit einem Stumpfspleiß verspricht durch eine Vermeidung von Materialanhäufungen und -dehnungen eine Verbesserung der Eigenschaften des Reifens.The Connection of the tire components with a butt splice promises by avoiding material accumulations and strains a Improvement of the properties of the tire.

Um den Stumpfspleiß gummierter Gewebe durchzuführen, wird z.B. ein Verfahren eingesetzt, bei dem das Material auf verzahnten Klemmleisten auf Stoß voreinander positioniert und dann beim Spleißvorgang miteinander verbunden wird. Ein solches Verfahren ist z.B. in der DE 23 59 131 A1 offenbart.In order to perform the butt splice rubberized fabric, for example, a method is used in which the material is positioned on toothed clamping bars in front of each other and then connected together during the splicing process. Such a method is eg in the DE 23 59 131 A1 disclosed.

Die Qualität des erzeugten Spleißes ist dabei abhängig von der Beschaffenheit bzw. dem Zustand der beiden aufeinander treffenden Materialenden. Das Einlagenmaterial muss bei der Verarbeitung zwischen den Fäden bzw. Festigkeitsträgen getrennt und durch eine Spleißverbindung wieder zusammengeführt werden. Der Schnitt bestimmt die Beschaffenheit der Materialenden. Der Schnitt kann entweder zwischen oder direkt am Festigkeitsträger entlang verlaufen. Im ersten Fall sind beide zu verbindenden Corde bzw. Festigkeitsträger mit Gummi ummantelt, im zweiten Fall liegt zumindest ein Festigkeitsträger blank, d.h. ohne Gummiummantelung vor. Treffen bei einem Stumpfspleißvorgang zwei blank liegende, ungummierte Cordabschnitte aufeinander, führt dieses zu einer nicht tolerierbaren Verschlechterung der Spleißverbindung und ggf. zum Ausschuss eines herzustellenden Fahrzeugreifens.The quality of the generated splice depends on it on the nature or condition of the two meeting one another Material ends. The liner material must be interleaved during processing the threads or strength strengths separated and by a splice connection merged again become. The cut determines the condition of the material ends. The cut can either be made between or directly along the reinforcement run. In the first case, both are to be connected cords or strengthening support coated with rubber, in the second case at least one strength element is bare, i.e. without rubber jacket before. Meeting in a butt fusion process two blank lying, ungummed Cordabschnitte each other, this leads to an intolerable deterioration of the splice connection and possibly to reject a vehicle tire to be produced.

Der Erfindung lag die Aufgabe zugrunde, ein Verfahren bereitzustellen, mit dem die Qualität des herzustellenden Reifenaufbauteiles gesteigert wird.Of the It was an object of the invention to provide a method with the quality of the tire building part to be produced is increased.

Gelöst wird die Aufgabe durch ein Verfahren zum Stumpfspleißen von Reifenaufbauteilen mit Festigkeitsträgern, wobei die Festigkeitsträger in einer Gummierung und in der Ausbreitungsebene des Reifenaufbauteiles parallel zur Längserstreckung des Stumpfpleißes angeordnet sind, wobei das Verfahren zumindest die folgenden Schritte umfasst:

  • – Positionierung von zwei zu spleißenden gegenüberliegenden Materialenden eines Reifenaufbauteiles
  • – Anordnung eines Zwischengliedes zwischen den Materialenden zur Verbesserung der Festigkeitseigenschaften des Stumpfspleißes und
  • – Verbinden der Materialenden durch einen Stumpfspleißvorgang.
The object is achieved by a method for butt splicing tire structural parts with reinforcements, wherein the reinforcing elements are arranged in a rubber coating and in the propagation plane of the tire building part parallel to the longitudinal extent of the butt splice, the method comprising at least the following steps:
  • - Positioning of two to be spliced opposite material ends of a tire building part
  • - Arrangement of an intermediate member between the material ends to improve the strength properties of the butt splice and
  • - Connecting the material ends by a butt splicing process.

Ein Vorteil der Erfindung ist insbesondere darin zu sehen, dass durch das erfindungsgemäße Verfahren die Qualität des herzustellenden Reifenaufbauteiles gesteigert wird. Insbesondere beim Stumpfspleißen von Materialenden mit blank liegenden Festigkeitsträgern wirkt das Zwischenglied wie eine Materialbrücke zwischen den Materialenden. Dadurch wird eine erhebliche Festigkeitssteigerung des Stumpfspleißes erreicht, der wiederum zu einem geringen Materialausschuss an Reifenaufbauteilen führt.One Advantage of the invention is in particular to be seen in that the inventive method the quality of the tire building part to be produced is increased. Especially during butt splicing of material ends with blank Strengths acts the intermediate link like a material bridge between the material ends. Thereby a considerable increase in the strength of the butt splice is achieved which in turn leads to a low material waste on tire building parts.

In einer vorteilhaften Weiterbildung der Erfindung ist vorgesehen, dass mindestens einer der beiden Materialenden vor dem Stumpfspleißvorgang einen zumindest teilweise blanken Festigkeitsträger aufweist. Bei blank liegenden Festigkeitsträgern im Bereich der Materialenden ist das Verfahren besonders vorteilhaft einsetzbar, da mit dem Zwischenglied homogene Festigkeitseigenschaften des Stumpfspleißes erreicht werden.In an advantageous embodiment of the invention is provided that at least one of the two material ends before the butt splicing process has an at least partially bare strength carrier. When blank lying reinforcing materials In the area of the material ends, the method is particularly advantageous can be used because with the intermediate member homogeneous strength properties of the butt splice be achieved.

In einer weiteren vorteilhaften Weiterbildung der Erfindung ist vorgesehen, dass das Zwischenglied ein rechteckförmig gummiummantelter Festigkeitsträger ist, der zwischen den Materialenden eingefügt wird. Ein gummiummantelter Festigkeitsträger lässt sich auf einfache Weise vor dem Stumpfspleißvorgang zwischen den Materialenden anordnen.In a further advantageous embodiment of the invention is provided that the intermediate member is a rectangular gummiummantelter strength carrier, which is inserted between the material ends. A gummiummantelter Reinforcements can be in a simple way before the butt splicing process between the material ends Arrange.

In einer weiteren vorteilhaften Weiterbildung der Erfindung ist vorgesehen, dass das Zwischenglied ein kreisförmig gummiummantelter Festigkeitsträger ist, der zwischen den Materialenden eingefügt wird.In a further advantageous embodiment of the invention is provided that the intermediate member is a circular gummiummantelter strength carrier, which is inserted between the material ends.

In einer weiteren vorteilhaften Weiterbildung der Erfindung ist vorgesehen, dass das Zwischenglied ein Gummistreifen ist, der zwischen den Materialenden eingefügt wird. Der Gummistreifen lässt sich einfach zwischen den Materialenden einspannen.In a further advantageous embodiment of the invention is provided that the intermediate member is a rubber strip between the material ends added becomes. The rubber strip lets simply clamp between the material ends.

In einer weiteren vorteilhaften Weiterbildung der Erfindung ist vorgesehen, dass das Zwischenglied in Form einer z-förmigen Gummilippe zwischen den Materialenden eingefügt wird. Die z-förmige Gummilippe bewirkt eine zusätzliche Verstärkung des Stumpfspleißes.In a further advantageous embodiment of the invention is provided that the intermediate member in the form of a z-shaped rubber lip between the Inserted material ends becomes. The z-shaped rubber lip causes an additional Reinforcement of the Butt splice.

In einer weiteren vorteilhaften Weiterbildung der Erfindung ist vorgesehen, dass das Zwischenglied in Form einer u-förmigen Gummilippe um eines der beiden Materialenden angeordnet wird.In a further advantageous embodiment of the invention, it is provided that the intermediate member in the form of a U-shaped rubber lip around a the two material ends is arranged.

Anhand eines Ausführungsbeispiels soll die Erfindung näher erläutert werden. Es zeigen:Based an embodiment the invention should be closer explained become. Show it:

1 die Problemstellung beim Stumpfspleißen von Reifenaufbauteilen, 1 the problem in the butt splicing of tire building parts,

2 das erste Ausführungsbeispiel, bei dem als Zwischenglied eine z-förmige Gummilippe eingesetzt wird, 2 the first embodiment, in which a Z-shaped rubber lip is used as an intermediate member,

3 das zweite Ausführungsbeispiel, bei dem als Zwischenglied eine u-förmige Gummilippe eingesetzt wird, 3 the second embodiment, in which a U-shaped rubber lip is used as an intermediate member,

4 das dritte Ausführungsbeispiel, bei dem als Zwischenglied ein Gummistreifen eingesetzt wird, 4 the third embodiment, in which a rubber strip is used as intermediate member,

5 das vierte Ausführungsbeispiel, bei dem als Zwischenglied ein rechteckförmig gummiummantelter Festigkeitsträger eingesetzt wird und 5 the fourth embodiment, in which a rectangular gummiummantelter strength member is used as an intermediate member and

6 ein fünftes Ausführungsbeispiel, bei dem als Zwischenglied ein kreisförmig gummiummantelter Festigkeitsträger eingesetzt wird. 6 a fifth embodiment, in which a circular gummiummantelter strength member is used as an intermediate member.

Die 1 zeigt die Ausgangssituation des stumpfgespleißten Reifenaufteiles 1 gemäß dem Stand der Technik. Das Reifenaufteil 1 ist in der Seitenansicht dargestellt und enthält Festigkeitsträger 2, die parallel zueinander angeordnet sind. Die Festigkeitsträger 2 sind von einer Gummierung 3 umhüllt, die beispielsweise durch ein Kalandrieren erzeugt wurde.The 1 shows the initial situation of the butt spliced tire division 1 according to the prior art. The tire division 1 is shown in side view and contains reinforcements 2 which are arranged parallel to each other. The strength carriers 2 are from a rubber coating 3 wrapped, which was produced for example by calendering.

Der angedeutete Stumpfspleißvorgang 4 besteht darin, die beiden Materialenden 6 und 7 über ein Zusammenpressen miteinander zu verbinden. Wie der Figur entnehmbar ist, weisen beide Materialenden 6 und 7 blanke Festigkeitsträger 2 bzw. Cordfäden auf, die aufgrund der fehlenden Gummiummantelung eine unzureichende Verbindungsqualität des Stumpfspleißes 5 verursachen. Die blanken Festigkeitsträger 2 kommen u.a. durch das Schneiden entlang eines Festigkeitsträgers 2 zustande.The indicated butt fusion process 4 It consists of the two material ends 6 and 7 to connect with each other via a compression. As the figure can be seen, have both material ends 6 and 7 bare reinforcement 2 or cords, which due to the lack of rubber sheath insufficient connection quality of the butt splice 5 cause. The bare reinforcement 2 come inter alia by cutting along a reinforcement 2 conditions.

Die 2 zeigt ein Ausführungsbeispiel, bei dem als Zwischenglied eine Gummilippe 8 vorgesehen ist. Die Gummilippe 8 wird vor dem Stumpfspleißvorgang zwischen den Materialenden 6 und 7 angeordnet und bewirkt in Form einer Materialüberbrückung, dass zwischen den blanken Festigkeitsträgern Gummimaterial einfügt wird, welches die Festigkeitseigenschaften des Stumpfspleißes 5 verbessert.The 2 shows an embodiment in which as an intermediate member a rubber lip 8th is provided. The rubber lip 8th becomes between the material ends before the butt splice process 6 and 7 arranged and effected in the form of a material bridging that between the bare reinforcements rubber material is inserted, which the strength properties of the butt splice 5 improved.

Die 3 zeigt ein weiteres Ausführungsbeispiel, bei dem als Zwischenglied eine Gummilippe 9 eingesetzt wird. Die u-förmige Gummilippe 9 wird vor dem Stumpfspleißvorgang um eines der beiden Materialenden 6 oder 7 herumgelegt und bietet durch diese Art der Materialüberbrückung in etwa die gleichen Vorteile wie das Ausführungsbeispiel in 2.The 3 shows a further embodiment, in which as an intermediate member a rubber lip 9 is used. The U-shaped rubber lip 9 becomes one of the two material ends before the butt splice process 6 or 7 wrapped around and offers by this type of material bridging in about the same advantages as the embodiment in 2 ,

Die 4 zeigt ein weiteres Ausführungsbeispiel mit einem Gummistreifen 10 als Zwischenglied, welches vor dem Stumpfspleißvorgang zwischen den Materialenden 6 und 7 angeordnet wird und den Stumpfspleiß 5 durch diese Art der Materialüberbrückung verstärkt. Der Gummistreifen 10 könnte sowohl vorkonfektioniert sein als auch mit einem Kalander oder im fluiden Zustand mit Hilfe einer Tubenvorrichtung eingefügt werden.The 4 shows a further embodiment with a rubber strip 10 as a pontic, which before the butt splicing between the material ends 6 and 7 is arranged and the butt splice 5 reinforced by this type of material bridging. The rubber strip 10 could be either pre-assembled or inserted with a calender or in the fluid state with the help of a tube device.

Die 5 zeigt ein weiteres Ausführungsbeispiel mit einem rechteckförmig ummantelten Festigkeitsträger 11 als Zwischenglied. Dieser ummantelte Festigkeitsträger 11 lässt sich z.B. einfach vor dem Stumpfspleißvorgang zwischen den Materialenden 6 und 7 einspannen.The 5 shows a further embodiment with a rectangular encased reinforcement 11 as intermediate member. This coated reinforcement 11 For example, it can be simply inserted between the material ends before the butt splicing process 6 and 7 Clamp.

Die 6 zeigt ein weiteres Ausführungsbeispiel mit einem kreisförmig gummiummantelten Festigkeitsträger 12, der ebenfalls vor dem Stumpfspleißvorgang zwischen den Materialenden 6 und 7 angeordnet wird. Nach dem Stumpfspleißvorgang wird die kreisförmige Gummiummantelung mit den benachbarten Materialenden 6 und 7 durch den Pressvorgang verbunden, wodurch die runde Außenkontur in diesen Bereichen des Stumpfspleißes verschwindet.The 6 shows a further embodiment with a circular rubber coated reinforcement 12 also before the butt splicing process between the material ends 6 and 7 is arranged. After the butt splice process, the circular rubber jacket becomes the adjacent material ends 6 and 7 connected by the pressing process, whereby the round outer contour disappears in these areas of the butt splice.

11
ReifenaufbauteilTire building part
22
Festigkeitsträgerstrengthening support
33
Gummierunggumming
44
StumpfspleißvorgangStumpfspleißvorgang
55
Stumpfspleißbutt splice
6, 76 7
Materialenden des Reifenaufbauteilesmaterial ends of the tire building part
88th
z-förmige GummilippeZ-shaped rubber lip
99
u-förmige GummilippeU-shaped rubber lip
1010
Gummistreifenrubber strips
1111
rechteckförmig gummiummantelter Festigkeitsträgerrectangular rubber coated strengthening support
1212
kreisförmig gummiummantelter Festigkeitsträgercircular rubber coat strengthening support

Claims (8)

Verfahren zum Stumpfspleißen von Reifenaufbauteilen (1) mit Festigkeitsträgern (2), wobei die Festigkeitsträger (2) in einer Gummierung (3) und in der Ausbreitungsebene des Reifenaufbauteiles (1) parallel zur Längserstreckung des Stumpfspleißes (5) angeordnet sind, wobei das Verfahren zumindest folgende Schritte umfasst: – Positionierung von zwei zu spleißenden gegenüberliegenden Materialenden (6, 7) eines Reifenaufbauteiles (1) – Anordnung von mindestens einem Zwischenglied zwischen den Materialenden (6, 7) zur Verbesserung der Festigkeitseigenschaften des Stumpfspleißes (5) und – Verbinden der Materialenden (6, 7) durch einen Stumpfspleißvorgang.Method for butt splicing tire building parts ( 1 ) with reinforcements ( 2 ), wherein the reinforcements ( 2 ) in a gum ( 3 ) and in the propagation plane of the tire building part ( 1 ) parallel to the longitudinal extent of the butt splice ( 5 ), wherein the method at least comprising the following steps: positioning two opposite material ends to be spliced ( 6 . 7 ) of a tire building part ( 1 ) - arrangement of at least one intermediate link between the material ends ( 6 . 7 ) for improving the strength properties of the butt splice ( 5 ) and - connecting the material ends ( 6 . 7 ) by a butt fusion process. Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass mindestens eines der beiden Materialenden (6, 7) vor dem Stumpfspleißvorgang einen zumindest teilweise blanken Festigkeitsträger (2) aufweist.Method according to claim 1, characterized in that at least one of the two material ends ( 6 . 7 ) before the butt splicing process an at least partially bare reinforcement ( 2 ) having. Verfahren nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass das Zwischenglied ein rechteckförmig gummiummantelter Festigkeitsträger (11) ist, der zwischen den Materialenden (6, 7) eingefügt wird.A method according to claim 1 or 2, characterized in that the intermediate member is a rectangular gummiummantelter strength carrier ( 11 ), which is between the material ends ( 6 . 7 ) is inserted. Verfahren nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass das Zwischenglied ein kreisförmig gummiummantelter Festigkeitsträger (12) ist, der zwischen den Materialenden (6, 7) eingefügt wird.Method according to one of claims 1 to 3, characterized in that the intermediate member is a circular gummiummantelter strength carrier ( 12 ), which is between the material ends ( 6 . 7 ) is inserted. Verfahren nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass das Zwischenglied ein Gummistreifen (10) ist, der zwischen den Materialenden (6, 7) eingefügt wird.Method according to one of claims 1 to 4, characterized in that the intermediate member is a rubber strip ( 10 ), which is between the material ends ( 6 . 7 ) is inserted. Verfahren nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass das Zwischenglied in Form einer z-förmigen Gummilippe (8) zwischen den Materialenden (6, 7) eingefügt wird.Method according to one of claims 1 to 5, characterized in that the intermediate member in the form of a Z-shaped rubber lip ( 8th ) between the material ends ( 6 . 7 ) is inserted. Verfahren nach einem der Ansprüche 1 bis 6, dadurch gekennzeichnet, dass das Zwischenglied in Form einer u-förmigen Gummilippe (9) um eines der beiden Materialenden (6, 7) angeordnet wird.Method according to one of claims 1 to 6, characterized in that the intermediate member in the form of a U-shaped rubber lip ( 9 ) around one of the two material ends ( 6 . 7 ) is arranged. Fahrzeugreifen mit Reifenaufbauteilen (1), wobei der Fahrzeugreifen mit einem Verfahren nach Anspruch 1 hergestellt wird.Vehicle tires with tire building parts ( 1 ), wherein the vehicle tire is produced by a method according to claim 1.
DE102005010467A 2005-03-08 2005-03-08 Butt splicing method for joining cut ends of cord reinforced tire plies involves addition of rubberized connecting strip between component ends before splicing Withdrawn DE102005010467A1 (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2361105A1 (en) * 2009-04-08 2011-06-14 Industrias Tapla, S.L Method for floating material tape joint. (Machine-translation by Google Translate, not legally binding)
CN103895455A (en) * 2012-12-25 2014-07-02 东洋橡胶工业株式会社 Pneumatic tire
EP2946915A3 (en) * 2014-05-20 2016-01-20 The Goodyear Tire & Rubber Company Tire carcass ply joining apparatus and method
CN106515059A (en) * 2015-09-15 2017-03-22 固特异轮胎和橡胶公司 Method and apparatus for joining a carcass ply and continuous material ply

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2361105A1 (en) * 2009-04-08 2011-06-14 Industrias Tapla, S.L Method for floating material tape joint. (Machine-translation by Google Translate, not legally binding)
CN103895455A (en) * 2012-12-25 2014-07-02 东洋橡胶工业株式会社 Pneumatic tire
EP2946915A3 (en) * 2014-05-20 2016-01-20 The Goodyear Tire & Rubber Company Tire carcass ply joining apparatus and method
CN106515059A (en) * 2015-09-15 2017-03-22 固特异轮胎和橡胶公司 Method and apparatus for joining a carcass ply and continuous material ply
EP3144130A1 (en) * 2015-09-15 2017-03-22 The Goodyear Tire & Rubber Company Method and apparatus for joining a carcass ply and continuous material ply
US10960628B2 (en) * 2015-09-15 2021-03-30 The Goodyear Tire & Rubber Company Tire carcass ply joining apparatus and method
US11731380B2 (en) 2015-09-15 2023-08-22 The Goodyear Tire & Rubber Company Tire carcass ply joining apparatus and method

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