DE102010060216A1 - Driving belt e.g. high performance poly-V belt has bridging connecting strip arranged between fabric ends of closure and substructure, which is textile sheet whose mesh size is set to make polymeric material of substructure to penetrate - Google Patents

Driving belt e.g. high performance poly-V belt has bridging connecting strip arranged between fabric ends of closure and substructure, which is textile sheet whose mesh size is set to make polymeric material of substructure to penetrate Download PDF

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Publication number
DE102010060216A1
DE102010060216A1 DE102010060216A DE102010060216A DE102010060216A1 DE 102010060216 A1 DE102010060216 A1 DE 102010060216A1 DE 102010060216 A DE102010060216 A DE 102010060216A DE 102010060216 A DE102010060216 A DE 102010060216A DE 102010060216 A1 DE102010060216 A1 DE 102010060216A1
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Germany
Prior art keywords
substructure
fabric
drive belt
belt
polymeric material
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Pending
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DE102010060216A
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German (de)
Inventor
Josef Beck
Andreas Kautz
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ContiTech Antriebssysteme GmbH
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ContiTech Antriebssysteme GmbH
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Priority to DE102010060216A priority Critical patent/DE102010060216A1/en
Publication of DE102010060216A1 publication Critical patent/DE102010060216A1/en
Pending legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16G—BELTS, CABLES, OR ROPES, PREDOMINANTLY USED FOR DRIVING PURPOSES; CHAINS; FITTINGS PREDOMINANTLY USED THEREFOR
    • F16G5/00—V-belts, i.e. belts of tapered cross-section
    • F16G5/04—V-belts, i.e. belts of tapered cross-section made of rubber
    • F16G5/06—V-belts, i.e. belts of tapered cross-section made of rubber with reinforcement bonded by the rubber
    • 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
    • B29C66/70—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
    • B29C66/712—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 the composition of one of the parts to be joined being different from the composition of the other part
    • 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
    • B29D29/00—Producing belts or bands
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16G—BELTS, CABLES, OR ROPES, PREDOMINANTLY USED FOR DRIVING PURPOSES; CHAINS; FITTINGS PREDOMINANTLY USED THEREFOR
    • F16G1/00—Driving-belts
    • F16G1/06—Driving-belts made of rubber
    • F16G1/08—Driving-belts made of rubber with reinforcement bonded by the rubber
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16G—BELTS, CABLES, OR ROPES, PREDOMINANTLY USED FOR DRIVING PURPOSES; CHAINS; FITTINGS PREDOMINANTLY USED THEREFOR
    • F16G1/00—Driving-belts
    • F16G1/28—Driving-belts with a contact surface of special shape, e.g. toothed
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16G—BELTS, CABLES, OR ROPES, PREDOMINANTLY USED FOR DRIVING PURPOSES; CHAINS; FITTINGS PREDOMINANTLY USED THEREFOR
    • F16G5/00—V-belts, i.e. belts of tapered cross-section
    • F16G5/20—V-belts, i.e. belts of tapered cross-section with a contact surface of special shape, e.g. toothed
    • 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
    • B29C65/4805—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the type of adhesives
    • B29C65/481—Non-reactive adhesives, e.g. physically hardening adhesives
    • B29C65/4815—Hot melt adhesives, e.g. thermoplastic adhesives
    • 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
    • B29C65/5007—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 characterised by the structure of said adhesive tape, threads or the like
    • B29C65/5028—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 characterised by the structure of said adhesive tape, threads or the like being textile in woven or non-woven form
    • 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
    • B29C65/5042—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 covering both elements to be joined
    • B29C65/505—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 covering both elements to be joined and placed in a recess formed in the parts to be joined, e.g. in order to obtain a continuous surface
    • 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
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/303—Particular design of joint configurations the joint involving an anchoring effect
    • B29C66/3034—Particular design of joint configurations the joint involving an anchoring effect making use of additional elements, e.g. meshes
    • B29C66/30341—Particular design of joint configurations the joint involving an anchoring effect making use of additional elements, e.g. meshes non-integral with the parts to be joined, e.g. making use of extra elements
    • 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
    • B29C66/432—Joining a relatively small portion of the surface of said articles for making tubular articles or closed loops, e.g. by joining several sheets ; for making hollow articles or hollow preforms
    • B29C66/4322—Joining a relatively small portion of the surface of said articles for making tubular articles or closed loops, e.g. by joining several sheets ; for making hollow articles or hollow preforms by joining a single sheet to itself
    • 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
    • B29C66/432—Joining a relatively small portion of the surface of said articles for making tubular articles or closed loops, e.g. by joining several sheets ; for making hollow articles or hollow preforms
    • B29C66/4324—Joining a relatively small portion of the surface of said articles for making tubular articles or closed loops, e.g. by joining several sheets ; for making hollow articles or hollow preforms for making closed loops, e.g. belts
    • 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
    • B29C66/70—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
    • B29C66/72—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 structure of the material of the parts to be joined
    • B29C66/721—Fibre-reinforced materials
    • B29C66/7214—Fibre-reinforced materials characterised by the length of the fibres
    • B29C66/72141—Fibres of continuous length
    • 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
    • B29C66/73—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 intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/737—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 intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the state of the material of the parts to be joined
    • B29C66/7375—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 intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the state of the material of the parts to be joined uncured, partially cured or fully cured
    • B29C66/73751—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 intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the state of the material of the parts to be joined uncured, partially cured or fully cured the to-be-joined area of at least one of the parts to be joined being uncured, i.e. non cross-linked, non vulcanized
    • B29C66/73752—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 intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the state of the material of the parts to be joined uncured, partially cured or fully cured the to-be-joined area of at least one of the parts to be joined being uncured, i.e. non cross-linked, non vulcanized the to-be-joined areas of both parts to be joined being uncured
    • 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
    • B29L2031/00—Other particular articles
    • B29L2031/709—Articles shaped in a closed loop, e.g. conveyor belts
    • B29L2031/7094—Driving belts

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)

Abstract

The driving belt has an elastic base portion made of polymeric material, which comprises an upper sheet and a substructure (15) with force transfer region which includes non-slip fabric coating. A continuous closure (11) comprises fabric ends (12,13) which are joined together by a joint (14). A joint bridging connecting strip (16) is arranged between the fabric ends and substructure. The connecting strip is a textile sheet whose mesh size is set to make the polymeric material of substructure to penetrate. An independent claim is included for method for manufacturing driving belt.

Description

Die Erfindung betrifft einen Antriebsriemen mit einem Grundkörper aus einem polymeren Werkstoff mit elastischen Eigenschaften, umfassend eine Decklage als Riemenrücken und einen Unterbau mit einer Kraftübertragungszone, wobei die Kraftübertragungszone mit einer Beschichtung in Form eines widerstandsfähigen und griffigen Gewebes („Tough-Grip-Gewebe”) versehen ist. Im Zuge der Endlosschließung des Antriebsriemens liegen die beiden Gewebeenden des „Tough-Grip-Gewebes” unter Ausbildung einer Stoßstelle stumpf aneinander. Die Erfindung betrifft ferner ein Verfahren zur Herstellung eines derartigen Antriebsriemens.The invention relates to a drive belt with a body made of a polymeric material having elastic properties, comprising a cover layer as a belt back and a substructure with a power transmission zone, wherein the power transmission zone with a coating in the form of a tough and grippy fabric ("Tough-grip fabric"). is provided. In the course of the endless closing of the drive belt, the two fabric ends of the "tough-grip-fabric" are butted together to form a joint. The invention further relates to a method for producing such a drive belt.

Antriebsriemen, die auch als Kraftübertragungsriemen bezeichnet werden und im Funktionszustand endlos geschlossen sind, können als Flachriemen, Keilriemen, Keilrippenriemen und Zahnriemen ausgebildet sein. Von besonderer Bedeutung ist der Keilrippenriemen, wobei diesbezüglich insbesondere auf folgende Patentliteratur verwiesen wird: DE 38 23 157 A1 EP 0 831 247 B1 DE 100 16 351 A1 EP 0 866 834 B1 DE 10 2006 007 509 A1 EP 1 108 750 A1 EP 0 590 423 A2 EP 1 129 308 B1 EP 0 737 228 B1 US 3 981 206 Drive belts, which are also referred to as power transmission belts and are closed endlessly in the functional state, can be designed as flat belts, V-belts, V-ribbed belts and toothed belts. Of particular importance is the V-ribbed belt, reference being made in this regard in particular to the following patent literature: DE 38 23 157 A1 EP 0 831 247 B1 DE 100 16 351 A1 EP 0 866 834 B1 DE 10 2006 007 509 A1 EP 1 108 750 A1 EP 0 590 423 A2 EP 1 129 308 B1 EP 0 737 228 B1 US 3,981,206

Die Elastizität unter Einbezug der Biegeelastizität eines Antriebsriemens wird dadurch erreicht, dass der Grundkörper und somit die Decklage und der Unterbau aus einem polymeren Werkstoff mit elastischen Eigenschaften bestehen, wobei hier insbesondere die beiden Werkstoffgruppen Elastomere und thermoplastische Elastomere (TPE) als Vulkanisate zu nennen sind.The elasticity including the bending elasticity of a drive belt is achieved in that the base body and thus the cover layer and the base of a polymeric material with elastic properties, in which case the two groups of elastomers and thermoplastic elastomers (TPE) are to be mentioned as vulcanizates.

Der elastische Grundkörper ist ferner zumeist noch mit einem eingebetteten Festigkeitsträger bzw. Zugträger versehen, der ein- oder mehrlagig ausgeführt sein kann.The elastic base body is also usually still provided with an embedded reinforcement or tensile carrier, which can be designed in one or more layers.

Antriebsriemen werden zur Geräuschreduzierung wie auch zur Erhöhung der Abriebsbeständigkeit im Bereich der Kraftübertragungszone mit einer Beschichtung versehen. Der diesbezügliche Stand der Technik ist:

  • – Eingesetzt wird eine Flockauflage ( DE 100 16 351 A1 ), insbesondere in Form eines Baumwoll- oder Aramidflocks, oder eine dünne mit Fasern (z. B. Aramidfasern) gefüllte elastische Polymerschicht, beispielsweise nach der Offenlegungsschrift DE 38 23 157 A1 , wobei die Anhaftung der Flockauflage zumeist mittels einer Streichlösung erfolgt.
  • – Verwendet wird eine Textilauflage in Form eines Gewebes oder Gestricks, beispielsweise nach der Patentschrift US 3 981 206 .
  • – Verwendet wird eine Textilauflage in Form eines Gewirkes. Diesbezüglich wird insbesondere auf die Offenlegungsschrift DE 10 2006 007 509 A1 verwiesen. Die Kettwirkware besteht dabei aus einem ersten Garn, insbesondere aus einem Polyamid oder einem Polyester, und aus einem zweiten Garn, insbesondere aus einem Polyurethan.
  • – Nach einer Entwicklung gemäß DE 10 2008 012 044 A1 werden anstelle der Textilauflagen oder in Kombination mit diesen eine Folie (z. B. PTFE-Folie) oder ein Folienverbund (z. B. PA-PTFE-Folienverbund) eingesetzt.
  • – Die Beschichtung ist eine Reaktionsmasse, wobei ein Isocyanat mit wenigstens zwei NCO-Gruppen mit Wasser und/oder einem Diol und/oder einem Polyol zu einem Polymerisat ausreagiert. Diesbezüglich wird insbesondere auf die Entwicklung gemäß EP 2 101 079 A2 verwiesen.
Drive belts are provided with a coating for noise reduction as well as for increasing abrasion resistance in the area of the power transmission zone. The related art is:
  • - A flock coating is used ( DE 100 16 351 A1 ), in particular in the form of a cotton or aramid flock, or a thin elastic polymer layer filled with fibers (eg aramid fibers), for example according to the published patent application DE 38 23 157 A1 , wherein the adhesion of the flock pad usually takes place by means of a coating solution.
  • - Used is a textile cover in the form of a fabric or knitted fabric, for example according to the patent US 3,981,206 ,
  • - Used is a textile cover in the form of a knitted fabric. In this regard, in particular to the published patent application DE 10 2006 007 509 A1 directed. The Kettwirkware consists of a first yarn, in particular of a polyamide or a polyester, and a second yarn, in particular of a polyurethane.
  • - After a development according to DE 10 2008 012 044 A1 For example, a film (eg PTFE film) or a film composite (eg PA-PTFE film composite) are used instead of the textile coverings or in combination with these.
  • - The coating is a reaction mass, wherein an isocyanate reacted with at least two NCO groups with water and / or a diol and / or a polyol to form a polymer. In this regard, particular attention is paid to the development according to EP 2 101 079 A2 directed.

Die Beschichtung der Kraftübertragungszone des gattungsgemäßen Antriebsriemens ist ein „Tough-Grip-Gewebe”, das insbesondere bei Keilrippenriemen zur Anwendung gelangt.The coating of the power transmission zone of the generic drive belt is a "tough-grip fabric", which is used in particular for V-ribbed belts.

Zusätzlich kann auch die Decklage mit einer Beschichtung versehen werden, wobei hier insbesondere die Textilauflage (Gewebe, Gewirke, Gestrick), Vliese, Folien oder Folienverbunde zu nennen sind. Dabei ist bekannt, im Zuge der Endlosschließung der beiden Beschichtungsenden Verbindungstreifen einzusetzen ( DE 10 2005 020 556 A1 , DE 10 2008 038 322 A1 ).In addition, the cover layer can also be provided with a coating, in which case in particular the textile cover (woven fabric, knitted fabric, knitted fabric), nonwovens, films or film composites may be mentioned. It is known to use in the course of the endless closure of the two coating ends connecting strips ( DE 10 2005 020 556 A1 . DE 10 2008 038 322 A1 ).

Die Beschichtung für die Kraftübertragungszone und die Decklage kann zudem noch ölbeständig ausgerüstet werden, wobei beispielsweise auf die Offenlegungsschrift WO 2005/080821 A1 verwiesen wird.The coating for the power transmission zone and the cover layer can also be equipped oil resistant, for example, in the published patent application WO 2005/080821 A1 is referenced.

Bei einem gattungsgemäßen Antriebsriemen wurde das „Tough-Grip-Gewebe” bislang ohne zusätzlichen Verbindungsstreifen auf die Unterbauplatte aufgebracht und später mit der Decklage und dem Zugträger zu einem Riemen vulkanisiert. In a generic drive belt, the "tough-grip fabric" was previously applied without additional connecting strip on the base plate and later vulcanized with the top layer and the tension member to a belt.

Speziell bei der Verwendung von Elastik-Riemen, insbesondere eingesetzt auf Trieben mit einer hohen Ungleichförmigkeit, ist die Stoßstelle stark belastet und es kommt zu vorzeitigen Anbrüchen am Übergang vom „Tough-Grip-Gewebe” zur Stoßstelle. Am Steifigkeitssprung zwischen diesem Gewebe und dem polymeren Werkstoff des Riemengrundkörpers wirken die Spannungen im Material am stärksten.Especially when using elastic belts, in particular used on drives with a high nonuniformity, the joint is heavily loaded and it comes to premature ruptures at the transition from the "Tough grip fabric" to the joint. The stiffness jump between this fabric and the polymeric material of the belt body causes the stresses in the material to be strongest.

Die Aufgabe der Erfindung besteht nun darin, die Überbrückung des Steifigkeitssprunges zwischen dem „Tough-Grip-Gewebe” und dem polymeren Werkstoff des Riemengrundkörpers zu realisieren, und zwar bei Verbesserung der Stoßhaltbarkeit und zur Vermeidung von vorzeitigen Ausbrüchen am Stoß, verbunden mit einer Erhöhung der Riemenlebensdauer.The object of the invention is to realize the bridging of the jump in stiffness between the "tough-grip-fabric" and the polymeric material of the belt main body, with the improvement of shock resistance and to avoid premature bursts at the joint, associated with an increase in belt life.

Gelöst wird diese Aufgabe nach dem Kennzeichen des Anspruchs 1 (Variante I) oder des Anspruchs 5 (Variante II), wobei diese beiden Varianten unter Einbezug vorteilhafter Werkstoffgesichtspunkte im Folgenden näher vorgestellt werden.This object is achieved according to the characterizing part of claim 1 (variant I) or claim 5 (variant II), these two variants, taking into account advantageous material aspects, being presented in more detail below.

Variante IVariant I

Zwischen den beiden Gewebeenden und dem Unterbau ist ein die Stoßstelle überbrückender Verbindungstreifen angeordnet, der ein textiles Flächengebilde ist, dessen Maschenweite so groß ist, dass der polymere Werkstoff des Unterbaus in die Maschen eindringen kann.Between the two ends of the fabric and the substructure, a connection strip bridging the joint is arranged, which is a textile fabric whose mesh size is so large that the polymeric material of the substructure can penetrate into the mesh.

Der Verbindungsstreifen ist insbesondere ein grobmaschiges Gewebe: Die bevorzugten textilen Werkstoffe sind:
Polyamid (PA), beispielsweise PA6 oder PA6.6
Polyester, beispielsweise Polyethylentherphthalat (PET) oder
Polyethylen-2,6-naphthalat PEN
Aramid, beispielsweise m-Aramid oder p-Aramid
Mischkonzepte (Hybride), beispielsweise aus Polymid und PolyesterThe connecting strip is in particular a coarse-meshed fabric: The preferred textile materials are:
Polyamide (PA), for example PA6 or PA6.6
Polyester, for example polyethylene terephthalate (PET) or
Polyethylene-2,6-naphthalate PEN
Aramid, for example m-aramid or p-aramid
Mixed concepts (hybrids), for example of polymide and polyester

Durch die Art des textilen Werkstoffes kann die Dämpfung der Spannung eingestellt werden.Due to the nature of the textile material, the damping of the voltage can be adjusted.

Zur besseren Haftung ist es ferner vorteilhaft, wenn der Verbindungsstreifen auf seiner Seite zur Gewebebeschichtung hin mit einem polymeren Werkstoff beschichtet ist oder mit einem Haftmittel versehen ist.For better adhesion, it is also advantageous if the connection strip is coated on its side to the fabric coating out with a polymeric material or provided with an adhesive.

Durch den Verbindungsstreifen in Form eines textilen Flächengebildes, insbesondere in Form einer Gewebeüberbrückung, wird die Stoßstelle anbruchsicher.Due to the connecting strip in the form of a textile fabric, in particular in the form of a tissue bridging, the joint is secure against breakage.

Variante IIVariant II

Zwischen den beiden Gewebeenden und dem Unterbau ist ebenfalls ein die Stoßstelle überbrückender Verbindungsstreifen angeordnet, der jedoch aus einem polymeren Werkstoff besteht, der derart elastisch und formbar ist, dass dieser in die Stoßstelle zwischen den beiden Gewebeenden unter Ausbildung einer Stoßeinbettung eindringen kann.Between the two fabric ends and the substructure, a connecting strip bridging the joint is also arranged, but which consists of a polymeric material which is so elastic and malleable that it can penetrate into the joint between the two fabric ends to form a Stoßeinbettung.

Der polymere Werkstoff des Verbindungsstreifens, der insbesondere faserfrei ist, basiert insbesondere auf folgenden Werkstofftypen:
Thermoplast, beispielsweise ein Polyamid (PA), Polyethylen (PE) oder Polypropylen (PP) Thermoplatisches Elastomer (TPE), beispielsweise eine Thermoplast/EPDM-MischungThe polymeric material of the connecting strip, which in particular is fiber-free, is based in particular on the following types of materials:
Thermoplastic, for example a polyamide (PA), polyethylene (PE) or polypropylene (PP) thermoplastic elastomer (TPE), for example a thermoplastic / EPDM mixture

Im Hinblick auf die beiden Varianten I und II gelten für den Antriebsriemen vorteilhafterweise noch folgende Werkstoffgesichtspunkte und Gestaltungsmöglichkeiten:

  • – Der Grundkörper des Antriebsriemens ist insbesondere ein elastomerer Werkstoff auf Basis einer vulkanisierten Kautschukmischung, enthaltend wenigstens eine Kautschukkomponente und Mischungsingredienzien. Als Kautschukkomponente wird insbesondere ein Ethylen-Propylen-Mischpolymerisat (EPM), ein Ethylen-Propylen-Dien-Mischpolymerisat (EPDM), (teil)hydrierter Nitrilkautschuk (HNBR), Fluorkautschuk (FKM), Naturkautschuk (NR), Styrol-Butadien-Kautschuk (SBR) oder Butadien-Kautschuk (BR) eingesetzt, die unverschnitten oder mit wenigstens einer weiteren Kautschukkomponente, insbesondere mit einem der vorgenannten Kautschuktypen, verschnitten sind, beispielsweise in Form eines EPM/EPDM- oder SBR/BR-Verschnittes. Von besonderer Bedeutung ist dabei EPM oder EPDM oder ein EPM/EPDM-Verschnitt. Die Mischungsingredienzien umfassen dabei wenigstens einen Vernetzer oder ein Vernetzersystem (Vernetzungsmittel und Beschleuniger). Weitere Mischungsingredienzien sind zumeist noch ein Füllstoff und/oder ein Verarbeitungshilfsmittel und/oder ein Weichmacher und/oder ein Alterungsschutzmittel sowie gegebenenfalls weitere Zusatzstoffe, beispielsweise Farbpigmente. Diesbezüglich wird auf den allgemeinen Stand der Kautschukmischungstechnologie verwiesen.
  • – Der Antriebsriemen ist insbesondere als Keilrippenriemen ausgebildet, und zwar insbesondere wiederum im Rahmen eines Hochleistungskeilrippenriemens. Die Verwendung eines derartigen Hochleistungskeilrippenriemens ist insbesondere für kritische und hochbeanspruchte Anwendungen gedacht.
With regard to the two variants I and II, the drive belt advantageously still has the following material considerations and design options:
  • - The main body of the drive belt is in particular an elastomeric material based on a vulcanized rubber mixture containing at least one rubber component and Mischingingredienien. In particular, the rubber component is an ethylene-propylene copolymer (EPM), an ethylene-propylene-diene copolymer (EPDM), (partially) hydrogenated nitrile rubber (HNBR), fluororubber (FKM), natural rubber (NR), styrene-butadiene rubber (SBR) or butadiene rubber (BR) used, the uncut or with at least one further rubber component, in particular with one of aforementioned rubber types are blended, for example in the form of an EPM / EPDM or SBR / BR blend. Of particular importance is EPM or EPDM or an EPM / EPDM blend. The mixture ingredients thereby comprise at least one crosslinker or a crosslinker system (crosslinking agent and accelerator). Other compounding ingredients are usually still a filler and / or a processing aid and / or a plasticizer and / or an aging inhibitor and optionally further additives, for example color pigments. In this regard, reference is made to the general state of rubber mixing technology.
  • - The drive belt is designed in particular as a V-ribbed belt, in particular again in the context of a high-performance V-ribbed belt. The use of such a high performance V-ribbed belt is particularly intended for critical and highly stressed applications.

Untersuchungen haben gezeigt, dass insbesondere bei einem Verbindungskonzept gemäß der Variante II die vorzeitige Rissbildung innerhalb der am stärksten beanspruchten Stoßzone erheblich verringert wird. Die Einbettung des Stoßbereiches trägt somit in besonderer Weise zur Erhöhung der Riemenlebensdauer bei.Investigations have shown that, especially in the case of a connection concept according to variant II, premature crack formation within the most heavily impacted impact zone is considerably reduced. The embedding of the impact area thus contributes in a special way to increasing the belt life.

Eine weitere Aufgabe der Erfindung besteht darin, ein Verfahren zur Herstellung eines Keilrippenriemens bereitzustellen, bei dem das eingangs genannte Anforderungsprofil gewährleistet wird, und zwar unter dem Aspekt der Wirtschaftlichkeit.A further object of the invention is to provide a method for producing a V-ribbed belt, in which the requirement profile mentioned at the outset is ensured, specifically in terms of cost-effectiveness.

Gelöst wird diese Aufgabe nach dem Kennzeichen des Anspruchs 13 (Verfahrensvariante I) oder des Anspruchs 14 (Verfahrensvariante II) durch jeweils wenigstens folgende Verfahrensschritte, die im Folgenden näher vorgestellt werden.This object is achieved according to the characterizing part of claim 13 (process variant I) or of claim 14 (process variant II) by respectively at least following process steps, which are presented in more detail below.

Verfahrensvariante IProcess variant I

  • – Mittels einer Aufbautrommel wird aus einer vulkanisierbaren Kautschukmischung der Riemenrohling hergestellt, wobei der Unterbau des Riemenrohlings mit der Gewebebeschichtung konfektioniert wird, wobei im Zuge der Endlosschließung die beiden Gewebeenden unter Ausbildung einer Stoßstelle stumpf aneinander liegen, wobei zusätzlich zwischen den beiden Gewebeenden und dem Unterbau ein die Stoßstelle überbrückender und quer zur Aufbautrommel verlaufender Verbindungsstreifen angeordnet wird, der ein textiles, grobmaschiges Flächengebilde ist.- By means of a building drum is made of a vulcanizable rubber mixture of the belt blank, wherein the base of the belt blank is fabricated with the fabric coating, wherein in the course of endless closure, the two fabric ends to form a joint butt together, in addition between the two fabric ends and the base a the joint is bridging and transverse to the building drum extending connecting strip is arranged, which is a textile, coarse-meshed sheet.
  • – Schließlich wird der mit der Gewebebeschichtung und dem Verbindungstreifen konfektionierte Riemenrohling vulkanisiert, wobei das Vulkanisat in die Maschen des Verbindungsstreifens eindringt, so dass unter Haftwirkung ein Gesamtverbund von Gewebebeschichtung, Verbindungsstreifen und Unterbau gebildet wird.Finally, the belt blank made up with the fabric coating and the connecting strip is vulcanized, the vulcanizate penetrating into the stitches of the connecting strip so that an overall composite of fabric coating, connecting strip and substructure is formed under adhesion.

Verfahrensvariante IIProcess variant II

  • – Wiederum mittels einer Aufbautrommel wird aus einer vulkanisierbaren Kautschukmischung der Riemenrohling hergestellt, wobei der Unterbau des Riemenrohlings mit der Gewebebeschichtung konfektioniert wird, wobei im Zuge der Endlosschließung die beiden Gewebeenden unter Ausbildung einer Stoßstelle stumpf aneinander liegen, wobei zusätzlich zwischen den beiden Gewebeenden und dem Unterbau ein die Stoßstelle überbrückender und quer zur Aufbautrommel verlaufender Verbindungstreifen angeordnet wird, der aus einem polymeren Werkstoff besteht, der elastisch und verformbar ist.- Again, by means of a building drum is made of a vulcanizable rubber mixture of the belt blank, wherein the base of the belt blank is made up with the fabric coating, wherein in the course of endless closure the two fabric ends to form a joint butt to each other, in addition between the two fabric ends and the base a joint bridging the transverse and extending to the building drum connecting strip is arranged, which consists of a polymeric material which is elastic and deformable.
  • – Schließlich wird der mit der Gewebebeschichtung und dem Verbindungsstreifen konfektionierte Riemenrohling vulkanisiert, wobei der polymere Werkstoff des Verbindungsstreifens unter dem Einfluss der Vulkanisationstemperatur in die Stoßstelle zwischen den beiden Gewebeenden unter Ausbildung einer Stoßeinbettung eindringt, so dass unter Haftwirkung ein Gesamtverbund von Gewebebeschichtung, Verbindungsstreifen und Unterbau gebildet wird.Finally, the belt blank fabricated with the fabric coating and the connection strip is vulcanized, the polymeric material of the connection strip penetrating under the influence of the vulcanization temperature into the joint between the two fabric ends forming a shock embedding, so that under adhesion an overall composite of fabric coating, connecting strips and substructure is formed.

Hinsichtlich Details des Verbindungsstreifen und der Kautschukmischung sowie der besonderen Verwendung für den Keilrippenriemen wird auf das bereits Erwähnte sowie auf die Ansprüche 2 bis 4 und 6 bis 12 verwiesen.With regard to details of the connecting strip and the rubber compound and the particular use for the V-ribbed belt, reference is made to the already mentioned and to claims 2 to 4 and 6 to 12.

Die Erfindung wird nun anhand von Ausführungsbeispielen unter Bezugnahme auf schematische Zeichnungen erläutert. Es zeigen:The invention will now be explained by means of exemplary embodiments with reference to schematic drawings. Show it:

1 einen Keilrippenriemen in Querschnittsdarstellung mit einer Beschichtung in Form einer Flockauflage (Abschnitt A) sowie mit einer Beschichtung in Form eines „Tough-Grip-Gewebes” (Abschnitt B); 1 a V-ribbed belt in cross-section with a coating in the form of a flock coating (Section A) and with a coating in the form of a "Tough-grip fabric" (Section B);

2 einen Verbindungsstreifen in Form eines textilen Flächengebildes, insbesondere eines grobporigen Gewebes, an der Stoßstelle zweier Gewebeenden eines „Tough-Grip-Gewebes”; 2 a connecting strip in the form of a textile fabric, in particular a coarsely porous fabric, at the junction of two fabric ends of a "tough-grip-fabric";

3a einen Verbindungsstreifen aus einem polymeren Werkstoff an der Stoßstelle zweier Gewebeenden eines „Tough-Grip-Gewebes” im Rahmen der Herstellung eines Riemenrohlings auf der Aufbautrommel; 3a a connecting strip of a polymeric material at the junction of two fabric ends of a "Tough-grip fabric" in the context of producing a belt blank on the building drum;

3b einen Verbindungsstreifen aus einem polymeren Werkstoff an der Stoßstelle zweier Gewebeenden eines „Tough-Grip-Gewebes” nach der Vulkanisation des Riemenrohlings gemäß 3a unter Ausbildung einer Stoßeinbettung. 3b a connecting strip of a polymeric material at the junction of two fabric ends of a "Tough-Grip-tissue" after the vulcanization of the belt blank according to 3a under the formation of a shock embedding.

Die 1 zeigt einen Antriebsriemen 1 in Form eines Keilrippenriemens mit einer Decklage 2 als Riemenrücken, einer Festigkeitsträgerlage 3 mit in Längsrichtung verlaufenden parallel angeordneten Zugträgern 4 sowie mit einem Unterbau 5. Der Unterbau weist eine Keilrippenstruktur auf, gebildet aus Rippen 6 und Rillen 7. Der Unterbau 5 umfasst dabei die Kraftübertragungszone 8.The 1 shows a drive belt 1 in the form of a V-ribbed belt with a cover layer 2 as a belt back, a reinforcement layer 3 with extending in the longitudinal direction parallel tension members 4 as well as with a substructure 5 , The substructure has a V-rib structure formed of ribs 6 and grooves 7 , The substructure 5 includes the power transmission zone 8th ,

Die Decklage 2 und der Unterbau 5 bilden dabei als Gesamteinheit den elastischen Grundkörper, der aus einem polymeren Werkstoff besteht, insbesondere in Form der bereits näher vorgestellten vulkanisierten Kautschukmischung. Der elastische Grundkörper kann ferner mit Fasern, beispielsweise aus Baumwolle oder Aramid, verstärkt sein.The top layer 2 and the substructure 5 form as a whole unit the elastic body, which consists of a polymeric material, in particular in the form of the vulcanized rubber compound already presented in more detail. The elastic body may be further reinforced with fibers, such as cotton or aramid.

Die Zugträger 4 bestehen aus Stahl, Polyamid, Aramid, Polyester, Glasfasern, Kohlefasern, Polyetheretherketon (PEEK), Polyethylentherephthalat (PET) oder Polyethylen-2,6-naphthalat (PEN).The tension members 4 consist of steel, polyamide, aramid, polyester, glass fibers, carbon fibers, polyetheretherketone (PEEK), polyethylene terephthalate (PET) or polyethylene-2,6-naphthalate (PEN).

Innerhalb seiner Kraftübertragungszone 8 ist nun der Antriebsriemen 1 mit einer Beschichtung 9 nach dem Stand der Technik in Form einer Flockauflage versehen (Abschnitt A). Hinsichtlich weiterer Beschichtungsausführungen nach dem Stand der Technik wird auf die Beschreibungseinleitung verwiesen.Within its power transmission zone 8th is now the drive belt 1 with a coating 9 provided according to the prior art in the form of a flock coating (Section A). With regard to further coating embodiments according to the prior art, reference is made to the introduction to the description.

Bei dem erfindungsgemäßen Antriebsriemen ist die Beschichtung 10 in Form eines „Tough-Grip-Gewebes” gebildet (Abschnitt B), das nun im Zusammenwirken mit dem Verbindungsstreifen in Verbindung mit den 2 sowie 3a und 3b näher vorgestellt wird.In the drive belt according to the invention, the coating 10 formed in the form of a "Tough grip fabric" (Section B), which now in conjunction with the connecting strip in conjunction with the 2 such as 3a and 3b is presented in more detail.

2 zeigt die Endlosschließung 11 der beiden stumpf aneinander liegenden Gewebeenden 12 und 13 eines „Tough-Grip-Gewebes” unter Ausbildung einer Stoßstelle 14. Zwischen den beiden Gewebeenden und dem Unterbau 15 ist ein die Stoßstelle überbrückender Verbindungsstreifen 16 angeordnet, der ein textiles Flächengebilde ist, dessen Maschenweite so groß ist, dass der polymere Werkstoff des Unterbaus in die Maschen eindringen kann. Der Verbindungsstreifen 16 ist insbesondere ein grobmaschiges Gewebe. 2 shows the endless closure 11 the two blunt abutting tissue ends 12 and 13 a "Tough-Grip-tissue" to form a joint 14 , Between the two fabric ends and the substructure 15 is a connecting strip bridging the joint 16 arranged, which is a fabric whose mesh size is so large that the polymeric material of the substructure can penetrate into the mesh. The connection strip 16 is in particular a coarse-meshed fabric.

Nach 3a zeigt die Endlosschließung 17 der beiden Gewebeenden 18 und 19 eines „Tough-Grip-Gewebes” unter Ausbildung einer Stoßstelle 20, und zwar im Rahmen der Herstellung des Riemenrohlings aus einer vulkanisierbaren Kautschukmischung, beispielsweise einer EPDM-Kautschukmischung, mittels einer Aufbautrommel (Wickel), wobei hier lediglich der Unterbau 21 des Riemenrohlings dargestellt ist. Zwischen den beiden Gewebeenden und dem Unterbau ist ein die Stoßstelle überbrückender Verbindungsstreifen 22 angeordnet, der aus einem polymeren Werkstoff besteht, der elastisch und verformbar ist. Der polymere Werkstoff des Verbindungsstreifens ist insbesondere ein Thermoplast oder ein thermoplastisches Elastomer und faserfrei.To 3a shows the endless closure 17 the two ends of the fabric 18 and 19 a "Tough-Grip-tissue" to form a joint 20 , in the context of the production of the belt blank of a vulcanizable rubber mixture, for example an EPDM rubber compound, by means of a building drum (winding), in which case only the substructure 21 of the belt blank is shown. Between the two fabric ends and the substructure is a joint connecting the joint 22 arranged, which consists of a polymeric material which is elastic and deformable. The polymeric material of the connecting strip is in particular a thermoplastic or a thermoplastic elastomer and fiber-free.

3b zeigt schließlich die Endlosschließung 23 der beiden Gewebeenden gemäß 3a nach der Vulkanisation des Riemenrohlings. Unter dem Einfluss der Vulkanisationstemperatur (130 bis 180°C) ist dabei der polymere Werkstoff des Verbindungstreifens 24 in die Stoßstelle zwischen den beiden Gewebeenden eingedrungen, und zwar unter Ausbildung einer Stoßeinbettung 25. 3b finally shows the endless closure 23 the two fabric ends according to 3a after vulcanization of the belt blank. Under the influence of the vulcanization temperature (130 to 180 ° C) is the polymeric material of the connecting strip 24 penetrated into the joint between the two fabric ends, with the formation of a Stoßbetbettung 25 ,

Die Decklage 2 des Antriebsriemens 1 nach 1 kann unbeschichtet sein. Häufig wird auch diese Decklage mit einer Beschichtung versehen. Zumeist genügt dabei eine Beschichtung nach dem Stand der Technik. Diesbezüglich wird auf die Beschreibungseinleitung verwiesen. Die Decklage 2 kann jedoch auch mit einem „Tough-Grip-Gewebe” ausgestattet sein, was jedoch im Gegensatz zur Kraftübertragungszone 8 nicht unbedingt erforderlich ist.The top layer 2 of the drive belt 1 to 1 can be uncoated Frequently, this cover layer is also provided with a coating. In most cases, a coating according to the prior art is sufficient. In this regard, reference is made to the introduction to the description. The top layer 2 However, it can also be equipped with a "tough-grip-fabric", which is in contrast to the power transmission zone 8th is not essential.

Bezugszeichenliste LIST OF REFERENCE NUMBERS

11
Antriebsriemen (Keilrippenriemen)Drive belt (V-ribbed belt)
22
Decklage als RiemenrückenTop layer as belt back
33
FestigkeitsträgerlageReinforcement layer
44
Zugträger in Form von EinzelcordenZugträger in the form of Einzelcorden
55
Unterbausubstructure
66
Rippenribs
77
Rillengrooves
88th
KraftübertragungszonePower transmission zone
99
Beschichtung (Abschnitt A) in Form einer FlockauflageCoating (section A) in the form of a flock coating
1010
Beschichtung (Abschnitt B) in Form eines „Tough-Grip-Gewebes”Coating (section B) in the form of a "tough-grip-fabric"
1111
Endlosschließungcontinuous closure
1212
Gewebeende eines „Tough-Grip-Gewebes”End of a "Tough-Grip-Fabric"
1313
Gewebeende eines „Tough-Grip-Gewebes”End of a "Tough-Grip-Fabric"
1414
Stoßstelle der beiden GewebeendenJoint of the two tissue ends
1515
Unterbausubstructure
1616
Verbindungsstreifen in Form eines textilen FlächengebildesConnecting strip in the form of a textile fabric
1717
Endlosschließungcontinuous closure
1818
Gewebeende eines „Tough-Grip-Gewebes”End of a "Tough-Grip-Fabric"
1919
Gewebeende eines „Tough-Grip-Gewebes”End of a "Tough-Grip-Fabric"
2020
Stoßstelle der beiden GewebeendenJoint of the two tissue ends
2121
Unterbau des RiemenrohlingSubstructure of the belt blank
2222
Verbindungsstreifen aus einem polymeren WerkstoffConnecting strip made of a polymeric material
2323
Endlosschließungcontinuous closure
2424
Verbindungsstreifen aus einem polymeren WerkstoffConnecting strip made of a polymeric material
2525
Stoßeinbettungshock embedding

ZITATE ENTHALTEN IN DER BESCHREIBUNG QUOTES INCLUDE IN THE DESCRIPTION

Diese Liste der vom Anmelder aufgeführten Dokumente wurde automatisiert erzeugt und ist ausschließlich zur besseren Information des Lesers aufgenommen. Die Liste ist nicht Bestandteil der deutschen Patent- bzw. Gebrauchsmusteranmeldung. Das DPMA übernimmt keinerlei Haftung für etwaige Fehler oder Auslassungen.This list of the documents listed by the applicant has been generated automatically and is included solely for the better information of the reader. The list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions.

Zitierte PatentliteraturCited patent literature

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  • EP 0831247 B1 [0002] EP 0831247 B1 [0002]
  • DE 10016351 A1 [0002, 0005] DE 10016351 A1 [0002, 0005]
  • EP 0866834 B1 [0002] EP 0866834 B1 [0002]
  • DE 102006007509 A1 [0002, 0005] DE 102006007509 A1 [0002, 0005]
  • EP 1108750 A1 [0002] EP 1108750 A1 [0002]
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  • EP 0737228 B1 [0002] EP 0737228 B1 [0002]
  • US 3981206 [0002, 0005] US 3,981,206 [0002, 0005]
  • DE 102008012044 A1 [0005] DE 102008012044 A1 [0005]
  • EP 2101079 A2 [0005] EP 2101079 A2 [0005]
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  • DE 102008038322 A1 [0007] DE 102008038322 A1 [0007]
  • WO 2005/080821 A1 [0008] WO 2005/080821 A1 [0008]

Claims (14)

Antriebsriemen (1) mit einem Grundkörper aus einem polymeren Werkstoff mit elastischen Eigenschaften, umfassend eine Decklage (2) als Riemenrücken und einen Unterbau (5, 15) mit einer Kraftübertragungszone (8), wobei die Kraftübertragungszone mit einer Beschichtung (10) in Form eines widerstandsfähigen und griffigen Gewebes versehen ist, wobei ferner im Zuge der Endlosschließung (11) des Antriebsriemens die beiden Gewebeenden (12, 13) unter Ausbildung einer Stoßstelle (14) stumpf aneinander liegen, dadurch gekennzeichnet, dass zwischen den beiden Gewebeenden (12, 13) und dem Unterbau (5, 15) ein die Stoßstelle (14) überbrückender Verbindungsstreifen (16) angeordnet ist, der ein textiles Flächengebilde ist, dessen Maschenweite so groß ist, das der polymere Werkstoff des Unterbaus (5, 15) in die Maschen eindringen kann.Drive belt ( 1 ) with a base body of a polymeric material having elastic properties, comprising a cover layer ( 2 ) as a belt back and a substructure ( 5 . 15 ) with a power transmission zone ( 8th ), wherein the power transmission zone with a coating ( 10 ) is provided in the form of a resistant and non-slip fabric, and further in the course of the endless closure ( 11 ) of the drive belt the two fabric ends ( 12 . 13 ) forming a joint ( 14 ) abut each other, characterized in that between the two tissue ends ( 12 . 13 ) and the substructure ( 5 . 15 ) a joint ( 14 ) bridging connection strip ( 16 ) is arranged, which is a fabric whose mesh size is so large that the polymeric material of the substructure ( 5 . 15 ) can penetrate into the mesh. Antriebsriemen nach Anspruch 1, dadurch gekennzeichnet, dass der Verbindungstreifen (16) ein grobmaschiges Gewebe ist.Drive belt according to claim 1, characterized in that the connecting strip ( 16 ) is a coarse-meshed fabric. Antriebsriemen nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass der textile Werkstoff des Verbindungstreifens (16) aus einem Polyamid, Polyester, Aramid oder aus einem Mischkonzept der vorgenannten Werkstoffe besteht.Drive belt according to claim 1 or 2, characterized in that the textile material of the connecting strip ( 16 ) consists of a polyamide, polyester, aramid or a mixed concept of the aforementioned materials. Antriebsriemen nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass der Verbindungsstreifen (16) auf seiner Seite zur Gewebebeschichtung (10) hin mit einem polymeren Werkstoff beschichtet ist oder mit einem Haftmittel versehen ist.Drive belt according to one of claims 1 to 3, characterized in that the connecting strip ( 16 ) on its side for fabric coating ( 10 ) is coated with a polymeric material or provided with an adhesive. Antriebsriemen (1) mit einem Grundkörper aus einem polymeren Werkstoff mit elastischen Eigenschaften, umfassend eine Decklage (2) als Riemenrücken und einen Unterbau (5, 21) mit einer Kraftübertragungszone (8), wobei die Kraftübertragungszone mit einer Beschichtung (10) in Form eines widerstandsfähigen und griffigen Gewebes versehen ist, wobei ferner im Zuge der Endlosschließung (17, 23) des Antriebsriemens die beiden Gewebeenden (18, 19) unter Ausbildung einer Stoßstelle (20) stumpf aneinander liegen, dadurch gekennzeichnet, dass zwischen den beiden Gewebeenden (18, 19) und dem Unterbau (5, 21) ein die Stoßstelle (20) überbrückender Verbindungsstreifen (22, 24) angeordnet ist, der aus einem polymeren Werkstoff besteht, der derart elastisch und formbar ist, dass dieser in die Stoßstelle (20) zwischen den beiden Gewebeenden (18, 19) unter Ausbildung einer Stoßeinbettung (25) eindringen kann.Drive belt ( 1 ) with a base body of a polymeric material having elastic properties, comprising a cover layer ( 2 ) as a belt back and a substructure ( 5 . 21 ) with a power transmission zone ( 8th ), wherein the power transmission zone with a coating ( 10 ) is provided in the form of a resistant and non-slip fabric, and further in the course of the endless closure ( 17 . 23 ) of the drive belt the two fabric ends ( 18 . 19 ) forming a joint ( 20 ) abut each other, characterized in that between the two tissue ends ( 18 . 19 ) and the substructure ( 5 . 21 ) a joint ( 20 ) bridging connection strip ( 22 . 24 ) is arranged, which consists of a polymeric material which is so elastic and malleable, that this in the joint ( 20 ) between the two fabric ends ( 18 . 19 ) forming a shock embedding ( 25 ) can penetrate. Antriebsriemen nach Anspruch 5, dadurch gekennzeichnet, dass der polymere Werkstoff des Verbindungsstreifens (22, 24) ein Thermoplast oder ein thermoplastisches Elastomer ist.Drive belt according to claim 5, characterized in that the polymeric material of the connecting strip ( 22 . 24 ) is a thermoplastic or a thermoplastic elastomer. Antriebsriemen nach Anspruch 5 oder 6, dadurch gekennzeichnet, dass der polymere Werkstoff des Verbindungsstreifens (22, 24) faserfrei istDrive belt according to claim 5 or 6, characterized in that the polymeric material of the connecting strip ( 22 . 24 ) is fiber-free Antriebsriemen nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass der Grundkörper des Antriebsriemens (1) ein elastomerer Werkstoff auf Basis einer vulkanisierten Kautschukmischung ist, enthaltend wenigstens eine Kautschukkomponente und Mischungsingredienzien.Drive belt according to one of claims 1 to 7, characterized in that the main body of the drive belt ( 1 ) is an elastomeric material based on a vulcanized rubber mixture containing at least one rubber component and mixing ingredients. Antriebsriemen nach Anspruch 8, dadurch gekennzeichnet, dass die Kautschukkomponente ein Ethylen-Propylen-Mischpolymerisat (EPM), ein Ethylen-Propylen-Dien-Mischpolymerisat (EPDM), (teil)hydrierter Nitrilkautschuk (HNBR), Chloropren-Kautschuk (CR), Fluor-Kautschuk (FKM), Naturkautschuk (NR), Styrol-Butadien-Kautschuk (SBR) oder Butadien-Kautschuk (BR) ist, die unverschnitten oder im Verschnitt mit wenigstens einer weiteren Kautschukkomponente, insbesondere in Verbindung mit einem der vorgenannten Kautschuktypen, zum Einsatz gelangen.Drive belt according to claim 8, characterized in that the rubber component is an ethylene-propylene copolymer (EPM), an ethylene-propylene-diene copolymer (EPDM), (partially) hydrogenated nitrile rubber (HNBR), chloroprene rubber (CR), fluorine Rubber (FKM), natural rubber (NR), styrene-butadiene rubber (SBR) or butadiene rubber (BR), which is used uncut or in admixture with at least one further rubber component, in particular in combination with one of the abovementioned rubber types reach. Antriebsriemen nach Anspruch 9, dadurch gekennzeichnet, dass die Kautschukkomponente EPM oder EPDM oder ein EPM/EPDM-Verschnitt ist.Drive belt according to claim 9, characterized in that the rubber component is EPM or EPDM or an EPM / EPDM blend. Antriebsriemen nach einem der Ansprüche 1 bis 10, dadurch gekennzeichnet, dass der Antriebsriemen (1) als Keilrippenriemen ausgebildet ist.Drive belt according to one of claims 1 to 10, characterized in that the drive belt ( 1 ) is designed as a V-ribbed belt. Antriebsriemen nach Anspruch 11, dadurch gekennzeichnet, dass der Antriebsriemen (1) ein Hochleistungskeilrippenriemen ist.Drive belt according to claim 11, characterized in that the drive belt ( 1 ) is a heavy-duty V-ribbed belt. Verfahren zur Herstellung eines Antriebsriemens (1) mit einem Grundkörper aus einem polymeren Werkstoff mit elastischen Eigenschaften, umfassend eine Decklage (2) als Riemenrücken und einen Unterbau (5, 15) mit einer Kraftübertragungszone (8), wobei die Kraftübertragungszone mit einer Beschichtung (10) in Form eines widerstandsfähigen und griffigen Gewebes versehen wird, gekennzeichnet durch wenigstens folgende Verfahrensschritte: – mittels einer Aufbautrommel wird aus einer vulkanisierbaren Kautschukmischung der Riemenrohling hergestellt, wobei der Unterbau (5, 15) des Riemenrohlings mit der Gewebebeschichtung (10) konfektioniert wird, wobei im Zuge der Endlosschließung (11) die beiden Gewebeenden (12, 13) unter Ausbildung einer Stoßstelle (14) stumpf aneinander liegen, wobei zusätzlich zwischen den beiden Gewebeenden (12, 13) und dem Unterbau (5, 15) ein die Stoßstelle (14) überbrückender und quer zur Aufbautrommel verlaufender Verbindungsstreifen (16) angeordnet wird, der ein textiles, grobmaschiges Flächengebilde ist; – schließlich wird der mit der Gewebebeschichtung (10) und dem Verbindungstreifen (16) konfektionierte Riemenrohling vulkanisiert, wobei das Vulkanisat in die Maschen des Verbindungsstreifens (16) eindringt, so dass unter Haftwirkung ein Gesamtverbund von Gewebebeschichtung (10), Verbindungsstreifen (16) und Unterbau (5, 15) gebildet wird.Method for producing a drive belt ( 1 ) with a base body of a polymeric material having elastic properties, comprising a cover layer ( 2 ) as a belt back and a substructure ( 5 . 15 ) with a power transmission zone ( 8th ), wherein the power transmission zone with a coating ( 10 ) is provided in the form of a resistant and non-slip fabric, characterized by at least the following process steps: - the belt blank is produced from a vulcanizable rubber mixture by means of a building drum, the substructure ( 5 . 15 ) of the belt blank with the fabric coating ( 10 ), whereby in the course of the endless closure ( 11 ) the two tissue ends ( 12 . 13 ) forming a joint ( 14 ) are blunt with each other, wherein additionally between the two fabric ends ( 12 . 13 ) and the substructure ( 5 . 15 ) a joint ( 14 ) bridging and transverse to the building drum connecting strips ( 16 ), which is a textile, coarse-meshed sheet; - finally, with the fabric coating ( 10 ) and the connecting strip ( 16 ) ready-made belt blank vulcanized, wherein the vulcanizate in the mesh of the connecting strip ( 16 ) penetrates, so that under adhesion a total composite of tissue coating ( 10 ), Connection strips ( 16 ) and substructure ( 5 . 15 ) is formed. Verfahren zur Herstellung eines Antriebsriemens (1) mit einem Grundkörper aus einem polymeren Werkstoff mit elastischen Eigenschaften, umfassend eine Decklage (2) als Riemenrücken und einen Unterbau (5, 21) mit einer Kraftübertragungszone (8), wobei die Kraftübertragungszone mit einer Beschichtung (10) in Form eines widerstandsfähigen und griffigen Gewebes versehen wird, gekennzeichnet durch wenigstens folgende Verfahrensschritte: – mittels einer Aufbautrommel wird aus einer vulkanisierbaren Kautschukmischung der Riemenrohling hergestellt, wobei der Unterbau (5, 21) des Riemenrohlings mit der Gewebebeschichtung (10) konfektioniert wird, wobei im Zuge der Endlosschließung (17, 23) die beiden Gewebeenden (18, 19) unter Ausbildung einer Stoßstelle (20) stumpf aneinander liegen, wobei zusätzlich zwischen den beiden Gewebeenden (18, 19) und dem Unterbau (5, 21) ein die Stoßstelle (20) überbrückender und quer zur Aufbautrommel verlaufender Verbindungsstreifen (22, 24) angeordnet wird, der aus einem polymeren Werkstoff besteht, der elastisch und verformbar ist; – schließlich wird der mit der Gewebebeschichtung (10) und dem Verbindungstreifen (22, 24) konfektionierte Riemenrohling vulkanisiert, wobei der polymere Werkstoff des Verbindungstreifens (22, 24) unter dem Einfluss der Vulkanisationstemperatur in die Stoßstelle (20) zwischen den beiden Gewebeenden (18, 19) unter Ausbildung einer Stoßeinbettung (25) eindringt, so dass unter Haftwirkung ein Gesamtverbund von Gewebebeschichtung (10), Verbindungsstreifen (22, 24) und Unterbau (5, 21) gebildet wird.Method for producing a drive belt ( 1 ) with a base body of a polymeric material having elastic properties, comprising a cover layer ( 2 ) as a belt back and a substructure ( 5 . 21 ) with a power transmission zone ( 8th ), wherein the power transmission zone with a coating ( 10 ) is provided in the form of a resistant and non-slip fabric, characterized by at least the following process steps: - the belt blank is produced from a vulcanizable rubber mixture by means of a building drum, the substructure ( 5 . 21 ) of the belt blank with the fabric coating ( 10 ), whereby in the course of the endless closure ( 17 . 23 ) the two tissue ends ( 18 . 19 ) forming a joint ( 20 ) are blunt with each other, wherein additionally between the two fabric ends ( 18 . 19 ) and the substructure ( 5 . 21 ) a joint ( 20 ) bridging and transverse to the building drum connecting strips ( 22 . 24 ), which is made of a polymeric material that is elastic and deformable; - finally, with the fabric coating ( 10 ) and the connecting strip ( 22 . 24 ) prefabricated belt blank vulcanized, wherein the polymeric material of the connecting strip ( 22 . 24 ) under the influence of the vulcanization temperature in the joint ( 20 ) between the two fabric ends ( 18 . 19 ) forming a shock embedding ( 25 ) penetrates, so that under adhesion a total composite of tissue coating ( 10 ), Connection strips ( 22 . 24 ) and substructure ( 5 . 21 ) is formed.
DE102010060216A 2010-10-28 2010-10-28 Driving belt e.g. high performance poly-V belt has bridging connecting strip arranged between fabric ends of closure and substructure, which is textile sheet whose mesh size is set to make polymeric material of substructure to penetrate Pending DE102010060216A1 (en)

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DE102011002274A1 (en) 2011-04-27 2012-10-31 Contitech Antriebssysteme Gmbh Elastic article, in particular drive belt, with a coating in the form of a fleece of a fusible plastic
WO2012156223A1 (en) 2011-05-19 2012-11-22 Contitech Antriebssysteme Gmbh Drive belt having a reinforcement band or a braided reinforcement section or having reinforcement elements arranged in some zones within the carcass
DE102011056071A1 (en) 2011-12-06 2013-06-06 Contitech Antriebssysteme Gmbh Surface coating of article with base body from vulcanizable rubber composition, by partly or completely providing article surface with coating, and applying fusible spraying material on article surface by thermal high-speed flame spraying
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CN104004242A (en) * 2014-06-04 2014-08-27 青岛华夏橡胶工业有限公司 Rubber conveyer belt with low rolling resistance
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