EP1990303B1 - Method and device for connecting different roving materials - Google Patents

Method and device for connecting different roving materials Download PDF

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Publication number
EP1990303B1
EP1990303B1 EP07009222A EP07009222A EP1990303B1 EP 1990303 B1 EP1990303 B1 EP 1990303B1 EP 07009222 A EP07009222 A EP 07009222A EP 07009222 A EP07009222 A EP 07009222A EP 1990303 B1 EP1990303 B1 EP 1990303B1
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EP
European Patent Office
Prior art keywords
roving
section
adhesive strip
rovings
adhesive
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Not-in-force
Application number
EP07009222A
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German (de)
French (fr)
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EP1990303A1 (en
Inventor
Franz-Jürgen Kümpers
Gregor Baumgart
Karl-Josef Dr.Brockmanns
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sgl Kuempers & Co KG GmbH
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Sgl Kuempers & Co KG GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sgl Kuempers & Co KG GmbH filed Critical Sgl Kuempers & Co KG GmbH
Priority to ES07009222T priority Critical patent/ES2356682T3/en
Priority to DE502007005669T priority patent/DE502007005669D1/en
Priority to EP07009222A priority patent/EP1990303B1/en
Priority to AT07009222T priority patent/ATE488464T1/en
Priority to PCT/EP2008/003658 priority patent/WO2008135280A1/en
Publication of EP1990303A1 publication Critical patent/EP1990303A1/en
Application granted granted Critical
Publication of EP1990303B1 publication Critical patent/EP1990303B1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H69/00—Methods of, or devices for, interconnecting successive lengths of material; Knot-tying devices ;Control of the correct working of the interconnecting device
    • B65H69/02—Methods of, or devices for, interconnecting successive lengths of material; Knot-tying devices ;Control of the correct working of the interconnecting device by means of adhesives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/30—Handled filamentary material
    • B65H2701/31—Textiles threads or artificial strands of filaments

Definitions

  • the present invention relates to a method and an apparatus for connecting the ends of different roving materials together, and in particular for inserting in a roving of a first material a section of a second material limited in its length.
  • the process for the production of textile reinforcements for technical products which are obtained from areas of a textile fabric by cutting and packaging, wherein the fabric is formed from at least two intersecting under specifiable angle yarn bundles, of which at least one of the technical purpose corresponding high quality material consists, is characterized in that the at least one group of threads from sections of the high-quality material and in the intermediate sections of a low-grade material is formed, and that the portions of the high-quality material are positioned in the respective thread group, that they the area ratio in the fabric cover, from which the textile reinforcement is to be cut.
  • the device for producing the sheet is a separation and Connecting device upstream, the funding for controlled, exact positioning of the yarn sheets of high quality and the yarn sheets of low-grade material, for separating the last of the surface forming process supplied yarn sheet and for connecting the ends of this yarn sheet with the beginnings of the other thread group has.
  • the present invention provides according to claim 1, a method for connecting Rovingenden, in particular ends of rovings made of different materials together. Furthermore, the present invention according to claim 2 provides a method and according to claim 9, an apparatus for using in a roving of a first material a limited in its length portion of a second material, so that a combined roving material is obtained.
  • the inventive method makes it possible, the arrangement of the filaments in the rovings whose ends are to be connected to each other, before the separation and
  • connection process This ensures that during the subsequent separation and bonding process no displacement of filaments or deformations occur in the connection area, as is the case with conventional node, splice or adhesive joints.
  • the present invention may, for example, for the process for the production of reinforcements by cutting from textile fabrics according to DE 10 2006 013 063 can be used.
  • the method is suitable for joining any roving materials.
  • roving materials 1 and 2 of different spread can be connected to each other.
  • the projecting portions of the labels 1a, 2a, 3 are then removed so that the width continuously changes in the area of the joint, i. from the width of the first roving material to the width of the second roving material.
  • FIG. 1 schematically shows the process of establishing a connection between the ends of a roving 1 and a roving 2, wherein the spread of the roving 1 is greater than that of the roving 2.
  • the ends of the rovings 1 and 2 provided with stickers 1a, 2a in step (i) are positioned behind one another in the direction of roving according to step (ii).
  • Figure 1.2 shows how according to method step (iii) a further sticker 3 has been applied, which extends over the labels 1a, 2a at the ends of the rovings 1, 2 and thus connects them together.
  • the overlapping lateral Portions of the labels 1a, 2a, 3 may then be removed according to step (iv).
  • the joint 3 of the rovings 1 and 2 thus obtained is shown, wherein in the region of the joint the width continuously approaches from the width of the roving 1 to the width of the roving 2.
  • step (ii) If further sections of the second roving material are to be inserted into the roving of the first material, the advance of the first material is effected until the position is reached at which a further section of the second roving material is to be inserted, and then the process proceeds from step (ii) again.
  • the term "sticker” generally refers to a flat structure which can be stuck to a surface of the roving and whose width is greater than the width of the roving, so that parts of the sticker project laterally on both sides of the roving.
  • the stickers can be formed, for example, of adhesive tape, from which the labels are cut to the desired width.
  • prefabricated adhesive labels which are provided on a carrier material from which they are peeled off.
  • a two-sided application of stickers is preferably always carried out, ie in each case stickers are applied simultaneously from opposite directions to the two surfaces of the roving.
  • the laterally protruding areas of the stickers allow the handling or fixing of the roving ends.
  • the stickers are dimensioned so that they protrude 2 to 5 mm after each side of the roving. In the direction of roving, the dimensions of the stickers are 10 to 50 mm.
  • the protruding lateral areas of the labels can be removed by punching or cutting after the joints of the roving ends have been made.
  • the joints formed by the stickers then have the same width as the interconnected Rovingabête. If rovings of different widths are connected to one another, then the protruding areas are preferably cut off so that a continuous change in the width takes place in the area of the connection point.
  • FIGS. 2.1 to 2.22 The structure of the apparatus for the above-described method for inserting limited length portions of a second material into a first material roving is shown in FIGS. 2.1 to 2.22 shown schematically.
  • the device has in each case an input-side transport device for the supply of the roving 1 of the first material and the roving 2 of the second material and an output-side transport device for the further transport of the device leaving combined roving, in which between sections 1 and 1 "from the All transposing devices are only schematically shown here by two pairs of traction rollers 4a and 4b at the inlet of the first roving material, 4c and 4d at the inlet of the second roving material and 4e and 4f at the outlet
  • the detailed construction of such transport devices is known in the art.
  • the device includes a labeling device 5 for attaching the labels 1a, 1b, 3a, 3b and only in the Figures 2.5 and 2.16 visible separating device 6 for the central cutting through the labels 1a, 1b.
  • Both the labeling device 5 and the separating device 6 are arranged to be movable, so that they can be moved laterally out of the way of the roving.
  • the labeling device 5 and the separating device 6 are arranged on a common transport carriage 7 extending transversely to the running direction of the roving.
  • the transport carriage 7 is moved in the transverse direction to the direction of the roving so that the device required in each case can engage in the path of the roving, ie attach stickers or cut them.
  • the device comprises in total two input-side clamping devices 8 ', 8' and an output-side clamping device 8 "'.
  • a first input-side clamping device 8' is located in the running direction of the roving 1 between the draw roller pair 4b and the position at which the labeling or separating device engages
  • a second input-side clamping device 8 " is located in the running direction of the roving 1 between the draw roller pair 4d and the position at which the labeling or separating device acts.
  • the output-side clamping device 8 '' ' is located in the direction of the roving after the position at which attacks the labeling or separation device. In Rovinglaufraum follows the clamping device 8 '' 'the Switzerlandwalzencru 4e.
  • one of the input-side clamping devices 8 'and 8' ' cooperates with the output-side clamping device 8' '' to fix the portion of the roving, which is to be provided with a sticker and to be severed. After the separation process, the resulting roving ends are held by one of these two clamping devices. The third clamp holds the end of the roving from the other material.
  • the clamping device which holds the end of the roving in the second portion of the severed roving, along with associated Buchwalzencru by vertically displacing the base plate 9 from the Rovinglaufweg pushed out, and at the same time, the clamping device in which the end of the other Rovingmaterials is clamped , along with the associated draw roller pair, are pushed behind the end of the first section of the severed roving material held in the clamping device 8 '".
  • a cutting or punching device 10 may be provided which removes the laterally protruding portions of the label, unless they are to be used in the further processing for handling the roving.
  • All components of the device are arranged and fixed on a base plate 11 according to their functional interaction.
  • the first roving material 1 is advanced over the draw roller pairs 4a, 4b and 4e, 4f (method step (i)), until the position is reached at which a section 2 'of defined length is to be inserted from a second roving material.
  • step (vii) the clamping devices 8 ", 8 '''are released and the second roving material is fed over the Switzerlandwalzencrue 4bc, 4d and 4e, 4f (step (vii)) until the position is reached at which the to be formed from the second material Now the feed of the roving 2 is stopped and the roving 2 by the clamping devices 8 ", 8 '''held in the appropriate place and provided by the labeling device 5 with a label 1b (steps (viii) and (ix)).
  • FIGS. 2.1 to 2.22 illustrate in detail the successive steps of the process according to the invention.
  • FIGS. 2.1 to 2.22 To see sequential sequence as a section of a continuous process flow. That is, sections 2 'of defined length from a second roving material have been previously inserted into the roving 1 of the first material, so that the end of the roving 2 is already provided with a sticker 1b "which is halved in a separation process according to step (x).
  • the labeling device 5 is positioned by means of the slidable transverse to the direction Rovinglaufschlitten 7 ( Figure 2.3 ) that a sticker 1a can be attached to the surface of roving 1.
  • Figure 2.4 shows the provided with a protruding on both sides label 1a roving 1 after the labeling device 5 in its rest position has moved back.
  • the separating device 6 is brought into working position by means of the slidable transversely to Rovinglaufraum slide 7, so that they roving 1 can cut through in the middle of the label 1 a.
  • two roving sections are formed from the first roving material, a first section 1 'in the direction of running of the roving, and the second section 1 "in the direction of the running of the roving. each carry one half 1a 'and 1a''of the severed label 1a ( Figure 2.6 ).
  • the labeling device 5 is positioned by means of the slidable transverse to the direction Rovinglaufschlitten 7 ( Figure 2.8 ) that a sticker 3a can be attached, which extends over the halved labels 1a 'and 1b "located at the roving ends, so that they are connected together.
  • Figure 2.9 shows the rovings 1 'and 2 connected to the sticker 3a, after the labeling device 5 is moved back to its rest position.
  • the labeling device 5 is positioned by means of the slidable transverse to the direction Rovinglaufschlitten 7 ( Figure 2.14 ) that on the surface of Roving 2 a label 1b can be attached.
  • Figure 2.15 shows the roving 2 provided with a label 1b projecting on both sides after the labeling device 5 is in its rest position has moved back.
  • the separating device 6 is brought into working position by means of the slidable transversely to Rovinglaufraum slide 7, so that they roving 2 can cut through in the middle of the sticker 1 b.
  • two roving sections are formed from the second roving material, a first-directional-directional portion 2 'and a second-order, second-directional-curving direction.
  • the ends of the roving sections 2' and 2 are held by the clamping devices 8 '''and8'', respectively each carry one half 1b 'and 1b "of the severed label 1b ( Figure 2.17 ).
  • the labeling device 5 is positioned by means of the slidable transverse to the direction Rovinglaufschlitten 7 ( Figure 2.19 ), that a sticker 3b can be attached, which extends over the located at the Rovingenden halved label 1b 'and 1a ", so that they are connected to each other.
  • Figure 2.20 shows the roving sections 2 'and 1 "connected to the sticker 3b after the labeling device 5 has returned to its rest position.
  • the labeling device 5 comprises a pair of two symmetrically arranged labeling devices, between which the roving passes, so that it synchronously from two opposite directions, ie can be provided on both surfaces with a sticker.
  • labels which are provided on a carrier tape these are preferably provided on both sides with an adhesive layer, wherein the adhesive layer on the carrier tape facing surface of the adhesive labels in their adhesive effect is weaker than the adhesive layer on the surface facing away from the carrier tape surface.
  • the labels are brought on the respective carrier tapes directly to the label to be provided surface of the roving zoom. In the immediate vicinity of the surface of the roving the carrier tape runs around a sharp deflection edge. Due to the lower adhesive effect of the adhesive layer on the carrier tape facing label surface peels off when deflecting the carrier tape located at the deflection label from the carrier tape and adheres with its remote from the carrier tape, a strong adhesive effect having second adhesive layer on the surface of passing directly on the deflection rovings.
  • FIG. 3 shows schematically the structure of such a labeling device 5.
  • Roving 1 is advanced over the tension rollers 4b, 4e and has reached the position to be provided with a label 1a.
  • the clamping devices 8 ', 8''' have been omitted for clarity.
  • the labeling device 5 comprises a pair of two symmetrically arranged sub-devices 5 'and 5 ", between which the roving 1 passes.
  • adhesive labels are in each case transported synchronously via carrier tapes 5a, 5b with deflecting edges 5c, 5d.
  • the roving 1 passes between the deflecting edges 5c, 5d of the carrier ribbons 5a, 5b, whereby at the deflecting edge 5c or 5d of each carrier strip 5a, 5b a label peels off and adheres to the roving surface facing the respective labeling device.
  • the roving is provided on both sides with labels at the intended separation point.
  • the first roving material is carbon fiber and the second roving material is glass fiber.
  • FIG. 4 shows by way of example the production of a 45 ° layer of a Multiaxialgeleges
  • FIG. 4 shows by way of example the production of a 45 ° layer of a Multiaxialgeleges
  • elastic thread material sections 2 of the combined rovings so at the lateral edges of the formed layer, where they are held by the holding devices 12 of the machine.
  • the regions 1 formed from carbon fibers remain permanently tensioned, at least until they reach the (in FIG. 4 not shown) sewing station or solidification station, the connection is made with the other layers of Multiaxialgeleges.
  • the connection of the individual roving sections at the connection points 3 were produced as described above by the method according to the invention.

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  • Treatment Of Fiber Materials (AREA)
  • Replacement Of Web Rolls (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)

Abstract

The method involves attaching adhesive labels (1a, 2a) at the ends of two rovings (1, 2) that are connected with each other, and positioning the roving ends one after another in roving travel direction. Attaching additional adhesive labels (3) on the roving ends. The labels (3) extend over the labels (1a, 2a) at the roving ends, so that the labels are connected with each other. Breadth of labels is greater than the breadth of rovings. The labels are attached on the roving ends, such that each label comprises an overlaying region with a width of 2-5 millimeters at both sides of rovings. An independent claim is also included for a device for connecting the ends of two rovings.

Description

Die vorliegende Erfindung betrifft ein Verfahren und eine Vorrichtung, um die Enden verschiedener Rovingmaterialien miteinander zu verbinden, und insbesondere um in einem Roving aus einem ersten Material einen in seiner Länge begrenzten Abschnitt aus einem zweiten Material einzusetzen.The present invention relates to a method and an apparatus for connecting the ends of different roving materials together, and in particular for inserting in a roving of a first material a section of a second material limited in its length.

Ein wichtiger Anwendungsbereich technischer Textilien ist die Herstellung von Armierungen für technische Formkörper. Diese textilen Armierungen werden aus Flächenanteilen eines textilen Flächengebildes durch Zuschnitt und Konfektionierung hergestellt. Das die Grundlage für die textile Armierung bildende textile Flächengebilde besteht aus mindestens zwei sich unter vorgebbarem Winkel kreuzenden Fadenscharen. Mindestens eine dieser Fadenscharen besteht aus dem technischen Einsatzzweck entsprechendem hochwertigen Material, z.B. Carbonfasern. Einsatzgebiete dieser Armierungen sind mittlerweile nahezu alle Arten von Verkehrsmitteln, aber z.B. auch Flügel von Windrädern.An important field of application of technical textiles is the production of reinforcements for technical shaped bodies. These textile reinforcements are made from area shares of a textile fabric by cutting and packaging. The textile fabric forming the basis for the textile reinforcement consists of at least two sets of yarns crossing each other at a predeterminable angle. At least one of these yarn bundles consists of high quality material corresponding to the technical purpose, e.g. Carbon fibers. Areas of application of these reinforcements are now almost all types of transport, but e.g. also wings of wind turbines.

Die Materialien für derartige textile Armierungen, beispielsweise Carbonfasern, sind jedoch relativ teuer. Daher ist es sehr nachteilig, dass im üblichen Herstellungsprozess solcher Armierungen aus einem textilen Flächengebilde durch Zuschnitt und Konfektionierung ein erheblicher Prozentsatz dieser hochwertigen Fasern dem Abfall zugeführt wird.However, the materials for such textile reinforcements, such as carbon fibers, are relatively expensive. Therefore, it is very disadvantageous that in the usual manufacturing process of such reinforcements from a textile fabric by cutting and packaging a significant percentage of these high-quality fibers is supplied to the waste.

In der Patentanmeldung DE 10 2006 013 063 werden ein Verfahren und eine Vorrichtung vorgeschlagen, die es ermöglichen, in textilen Flächengebilden den Einsatz hochwertigen Fasermaterials auf die Flächenbereiche zu begrenzen, aus denen die Armierung zugeschnitten wird.In the patent application DE 10 2006 013 063 A method and a device are proposed which make it possible to limit the use of high-quality fiber material in textile fabrics to the surface areas from which the reinforcement is cut.

Das Verfahren zur Herstellung textiler Armierungen für technische Erzeugnisse, die aus Flächenanteilen eines textilen Flächengebildes durch Zuschnitt und Konfektionierung gewonnen werden, wobei das textile Flächengebilde aus mindestens zwei sich unter vorgebbaren Winkel kreuzenden Fadenscharen gebildet ist, von denen mindestens eine aus dem technischen Einsatzzweck entsprechendem hochwertigem Material besteht, ist dadurch gekennzeichnet, dass die mindestens eine Fadenschar abschnittsweise aus Anteilen des hochwertigen Materials und in den zwischenliegenden Abschnitten aus einem geringerwertigen Material gebildet ist, und dass die Abschnitte des hochwertigen Materials so in der jeweiligen Fadenschar positioniert werden, dass sie den Flächenanteil im Flächengebilde abdecken, aus dem die textile Armierung zugeschnitten werden soll.The process for the production of textile reinforcements for technical products, which are obtained from areas of a textile fabric by cutting and packaging, wherein the fabric is formed from at least two intersecting under specifiable angle yarn bundles, of which at least one of the technical purpose corresponding high quality material consists, is characterized in that the at least one group of threads from sections of the high-quality material and in the intermediate sections of a low-grade material is formed, and that the portions of the high-quality material are positioned in the respective thread group, that they the area ratio in the fabric cover, from which the textile reinforcement is to be cut.

Dabei ist der Vorrichtung zur Herstellung des Flächengebildes eine Trenn- und Verbindungseinrichtung vorgeschaltet, die Fördermittel zum gesteuerten, exakten Positionieren der Fadenscharen aus hochwertigem und der Fadenscharen aus geringerwertigem Material, zum Trennen der jeweils zuletzt dem Flächenbildungsprozess zugeführten Fadenschar und zum Verbinden der Enden dieser Fadenschar mit den Anfängen der jeweils anderen Fadenschar besitzt.In this case, the device for producing the sheet is a separation and Connecting device upstream, the funding for controlled, exact positioning of the yarn sheets of high quality and the yarn sheets of low-grade material, for separating the last of the surface forming process supplied yarn sheet and for connecting the ends of this yarn sheet with the beginnings of the other thread group has.

Weitere Details zum Verfahren und zur Vorrichtung können der DE 10 2006 013 063 entnommen werden.Further details of the method and the device can the DE 10 2006 013 063 be removed.

Die vorliegende Erfindung stellt gemäß Anspruch 1 ein Verfahren bereit, um Rovingenden, insbesondere Enden von Rovings aus verschiedenen Materialien miteinander zu verbinden. Weiterhin stellt die vorliegende Erfindung gemäß Anspruch 2 ein Verfahren und gemäß Anspruch 9 eine Vorrichtung bereit, um in einem Roving aus einem ersten Material einen in seiner Länge begrenzten Abschnitt aus einem zweiten Material einzusetzen, so dass ein kombiniertes Rovingmaterial erhalten wird.The present invention provides according to claim 1, a method for connecting Rovingenden, in particular ends of rovings made of different materials together. Furthermore, the present invention according to claim 2 provides a method and according to claim 9, an apparatus for using in a roving of a first material a limited in its length portion of a second material, so that a combined roving material is obtained.

Das erfindungsgemäße Verfahren ermöglicht es, die Anordnung der Filamente in den Rovings, deren Enden miteinander verbunden werden sollen, vor dem Trenn- undThe inventive method makes it possible, the arrangement of the filaments in the rovings whose ends are to be connected to each other, before the separation and

Verbindungsvorgang zu fixieren. So wird sichergestellt, dass während des nachfolgenden Trenn- und Verbindungsvorganges keinerlei Verlagerung von Filamenten oder Verformungen im Verbindungsbereich auftreten, wie dies bei herkömmlichen Knoten-, Spleiß- oder Klebeverbindungen der Fall ist.Fix the connection process. This ensures that during the subsequent separation and bonding process no displacement of filaments or deformations occur in the connection area, as is the case with conventional node, splice or adhesive joints.

Die vorliegende Erfindung kann beispielsweise für das Verfahren zur Herstellung von Armierungen durch Zuschnitt aus textilen Flächengebilden gemäß DE 10 2006 013 063 benutzt werden kann.The present invention may, for example, for the process for the production of reinforcements by cutting from textile fabrics according to DE 10 2006 013 063 can be used.

Weitere Details, Varianten und Vorteile der Erfindung können der folgenden ausführlichen Beschreibung, den Figuren und den Ausführungsbeispielen entnommen werden.Further details, variants and advantages of the invention can be taken from the following detailed description, the figures and the exemplary embodiments.

Die Figuren zeigen:

Figur 1
Schematischer Ablauf der Herstellung einer Verbindung der Enden von Rovingmaterialien unterschiedlicher Spreizung nach dem erfindungsgemäßen Verfahren
Figur 2
Schema der erfindungsgemäßen Vorrichtung zum Einsetzen von Abschnitten begrenzter Länge aus einem zweiten Material in einen Roving aus einem ersten Material und des erfindungsgemäßen Verfahrensablaufs
Figur 3
Schema einer Ausführungsform der Etikettiervorrichtung für die erfindungsgemäße Vorrichtung
Figur 4
Ablage von kombinierten Rovings aus Carbonfasern und elastischem Fadenmaterial bei der Herstellung eines Multiaxial-Geleges
The figures show:
FIG. 1
Schematic sequence of the production of a compound of the ends of roving materials of different spread according to the inventive method
FIG. 2
Scheme of the device according to the invention for inserting sections of limited length from a second material into a roving of a first material and the process sequence according to the invention
FIG. 3
Scheme of an embodiment of the labeling device for the device according to the invention
FIG. 4
Storage of combined rovings made of carbon fibers and elastic thread material in the production of a multiaxial fabric

Das erfindungsgemäße Verfahren zum Verbinden von zwei Rovingenden, insbesondere von verschiedenen Rovingmaterialien umfasst folgende Schritte:

  1. (i) Anbringen von Aufklebern 1a, 2a an den miteinander zu verbindenden Enden der Rovings 1, 2
  2. (ii) Positionieren der mit den Aufklebern 1a, 2a versehenen Rovingenden in Rovinglaufrichtung hintereinander
  3. (iii) Aufbringen eines weiteren Aufklebers 3 auf die mit den Aufklebern 1a, 2a versehenen hintereinander liegenden Rovingenden, der sich über beide Aufkleber 1a, 2a erstreckt, so dass diese miteinander verbunden werden
  4. (iv) Bei Bedarf Entfernen der überstehenden seitlichen Bereiche der Aufkleber 1a, 2a, 3 durch Stanzen oder Abschneiden
wobei die Breite der Aufkleber 1a, 2a, 3 größer ist als die Breite der Rovings 1, 2, und die Aufkleber so auf die Rovingenden aufgesetzt werden, dass jeder Aufkleber 1a, 2a, 3 an beiden Seiten des Rovings 1, 2 einen überstehenden Bereich von jeweils 2 bis 5 mm Breite aufweist.The method according to the invention for joining two roving ends, in particular different roving materials, comprises the following steps:
  1. (i) applying stickers 1a, 2a to the ends of the rovings 1, 2 to be joined together
  2. (Ii) positioning the Rovingenden provided with the labels 1a, 2a in Rovinglaufrichtung one behind the other
  3. (Iii) Applying another sticker 3 on the one after the other Rovingenden provided with the labels 1a, 2a, which extends over both labels 1a, 2a, so that they are connected together
  4. (iv) If necessary, removing the protruding lateral portions of the labels 1a, 2a, 3 by punching or cutting
wherein the width of the labels 1a, 2a, 3 is greater than the width of the rovings 1, 2, and the stickers are placed on the Rovingenden that each label 1a, 2a, 3 on both sides of the roving 1, 2 a projecting area each having a width of 2 to 5 mm.

Das Verfahren ist geeignet zum Verbinden beliebiger Rovingmaterialien.The method is suitable for joining any roving materials.

Insbesondere können auch Rovingmaterialien 1 und 2 unterschiedlicher Spreizung miteinander verbunden werden. Die überstehenden Bereiche der Aufkleber 1a, 2a, 3 werden dann so entfernt, dass sich im Bereich der Verbindungsstelle die Breite kontinuierlich ändert, d.h. von der Breite des ersten Rovingmaterials zur Breite des zweiten Rovingmaterials übergeht.In particular, roving materials 1 and 2 of different spread can be connected to each other. The projecting portions of the labels 1a, 2a, 3 are then removed so that the width continuously changes in the area of the joint, i. from the width of the first roving material to the width of the second roving material.

In Figur 1 wird schematisch der Ablauf bei der Herstellung einer Verbindung zwischen den Enden eines Rovings 1 und eines Rovings 2 gezeigt, wobei die Spreizung des Rovings 1 größer ist als die des Rovings 2. In Figur 1.1 sind die in Schritt (i) mit Aufklebern 1a, 2a versehenen Enden der Rovings 1 und 2 gemäß Schritt (ii) in Rovinglaufrichtung hintereinander positioniert. Figur 1.2 zeigt, wie gemäß Verfahrensschritt (iii) ein weiterer Aufkleber 3 aufgebracht worden ist, der sich über die Aufkleber 1a, 2a an den Enden der Rovings 1, 2 erstreckt und so diese miteinander verbindet. Die überstehenden seitlichen Bereiche der Aufkleber 1a, 2a, 3 können dann gemäß Schritt (iv) entfernt werden. In Figur 1.3 ist die so erhaltene Verbindungsstelle 3 der Rovings 1 und 2 dargestellt, wobei sich im Bereich der Verbindungsstelle die Breite kontinuierlich von der Breite des Rovings 1 an die Breite des Rovings 2 annähert.In FIG. 1 schematically shows the process of establishing a connection between the ends of a roving 1 and a roving 2, wherein the spread of the roving 1 is greater than that of the roving 2. In Figure 1.1 the ends of the rovings 1 and 2 provided with stickers 1a, 2a in step (i) are positioned behind one another in the direction of roving according to step (ii). Figure 1.2 shows how according to method step (iii) a further sticker 3 has been applied, which extends over the labels 1a, 2a at the ends of the rovings 1, 2 and thus connects them together. The overlapping lateral Portions of the labels 1a, 2a, 3 may then be removed according to step (iv). In Figure 1.3 the joint 3 of the rovings 1 and 2 thus obtained is shown, wherein in the region of the joint the width continuously approaches from the width of the roving 1 to the width of the roving 2.

Das erfindungsgemäße Verfahren zum Einsetzen eines Abschnitts begrenzter Länge aus einem zweiten Rovingmaterial in einem Roving aus einem ersten Material umfasst folgende Schritte

  1. (i) Vorschub des Rovings 1 aus dem ersten Material, gleichzeitig Bereithalten des Rovings 2 aus dem zweiten Material, dessen in Rovinglaufrichtung vorderes Ende einen Aufkleber 1b" trägt
  2. (ii) Stop des Vorschubs und Fixieren des Rovings 1, wenn die Position erreicht ist, an welcher der Abschnitt aus dem zweiten Rovingmaterial 2 eingesetzt werden soll
  3. (iii) Anbringen eines Aufklebers 1a an der Position, an welcher das Roving 1 aus dem ersten Material durchtrennt und der Abschnitt aus dem zweiten Material 2 eingesetzt werden soll
  4. (iv) Durchtrennung des Rovings 1 aus dem ersten Material in der Mitte des Aufklebers 1a, so dass ein in Rovinglaufrichtung erster Rovingabschnitt 1' und ein in Rovinglaufrichtung zweiter Rovingabschnitt 1" erhalten werden und die beim Durchtrennen entstandenen Rovingenden jeweils eine Hälfte 1a', 1a" des durchtrennten Aufklebers 1 tragen, wobei die entstandenen Rovingenden dann einzeln festgehalten werden
  5. (v) Positionieren des eine Hälfte 1a' des Aufklebers 1a tragenden Endes des ersten Rovingabschnittes 1' aus dem ersten Material und des damit zu verbindenden, mit dem Aufkleber 1b'' versehenen vorderen Endes des Rovings 2 aus dem zweiten Material, so dass diese in Rovinglaufrichtung hintereinander liegen
  6. (vi) Anbringen eines Aufklebers 3a, der sich über die an den Rovingenden befindlichen Aufkleber 1a' und 1b'' erstreckt, so dass diese miteinander verbunden werden
  7. (vii) Vorschub des durch Verbinden der Enden der des ersten Rovingabscnitts 1' aus dem ersten Material und des Rovings 2 aus dem zweiten Material erhaltenen kombinierten Rovings mit weiterem Vorschub des Rovings 2 aus dem zweiten Material entsprechend der gewünschten Länge des aus dem zweiten Material zu bildenden Abschnittes 2'
  8. (viii) Stop des Vorschubs und Fixieren des Rovings 2, wenn die gewünschte Länge des aus dem zweiten Rovingmaterial zu bildenden Abschnitts 2' erreicht ist
  9. (ix) Anbringen eines Aufklebers 1b an der Position, an der der aus dem zweiten Material zu bildende Rovingabschnitts 2' enden und mit dem zweiten Rovingabschnitt 1 " aus dem ersten Material verbunden werden soll
  10. (x) Durchtrennung des Rovings 2 aus dem zweiten Material in der Mitte des Aufklebers 1b, so dass ein in Rovinglaufrichtung erster Rovingabschnitt 2' und ein in Rovinglaufrichtung zweiter Rovingabschnitt 2" erhalten werden und die beim Durchtrennen entstandenen Rovingenden jeweils eine Hälfte 1b', 1b'' des durchtrennten Aufklebers 1b tragen, wobei die entstandenen Rovingenden dann einzeln festgehalten werden
  11. (xi) Positionieren des eine Hälfte 1b' des Aufklebers 1b tragenden Endes des ersten Rovingabschnitts 2' aus dem zweiten Material und des damit zu verbindenden eine Hälfte 1a'' des Aufklebers 1a tragenden Endes des zweiten Rovingabschnitts 1'' aus dem ersten Material, so dass diese in Rovinglaufrichtung hintereinander liegen
  12. (xii) Anbringen eines Aufklebers 3b, der sich über die an den Rovingenden befindlichen Aufkleber 1a'' und 1b' erstreckt, so dass diese miteinander verbunden werden
  13. (xiii) Vorschub des durch Verbinden der Rovingenden erhaltenen kombinierten Rovings mit weiterem Vorschub des Rovings aus dem ersten Material gemäß Schritt (i)
wobei die Breite der Aufkleber 1a, 1b, 3a, 3b größer ist als die Breite der Rovings, und die Aufkleber so auf das Roving aufgesetzt werden, dass jeder Aufkleber an beiden Seiten des Rovings einen überstehenden Bereich von jeweils 2 bis 5 mm Breite aufweist.The method according to the invention for inserting a section of limited length from a second roving material in a roving of a first material comprises the following steps
  1. (i) advancing the roving 1 of the first material, at the same time keeping the roving 2 of the second material, whose front end in the direction of running of the roving carries a sticker 1b "
  2. (ii) stopping the feed and fixing the roving 1 when the position where the portion of the second roving material 2 is to be inserted is reached
  3. (iii) attaching a sticker 1a at the position where the roving 1 of the first material is cut and the portion of the second material 2 is to be inserted
  4. (iv) transection of the roving 1 from the first material in the middle of the label 1a, so that a Rovinglaufrichtung in the first Rovingabschnitt 1 'and a Rovinglaufrichtung second Rovingabschnitt 1 "are obtained and the resulting Rovingenden in cutting one half 1a', 1a "of the severed sticker 1, with the resulting Rovingenden are then held individually
  5. (v) positioning the one half 1a 'of the label 1a bearing end of the first roving portion 1' of the first material and to be joined, provided with the label 1b '' front end of the roving 2 of the second material, so that in Rovinglaufrichtung lie one behind the other
  6. (vi) attaching a sticker 3a extending over the labels 1a 'and 1b "at the roving ends so as to be connected to each other
  7. (vii) feeding the combined rovings obtained by connecting the ends of the first roving section 1 'of the first material and the roving 2 of the second material with further advancement of the second material roving 2 corresponding to the desired length of the second material forming section 2 '
  8. (viii) Stop the feed and fix the roving 2 when the desired length of the portion 2 'to be formed from the second roving material is reached
  9. (ix) attaching a sticker 1b at the position where the of the second material to forming Rovingabschnitts 2 'and is to be connected to the second Rovingabschnitt 1 "of the first material
  10. (x) cutting through the roving 2 of the second material in the middle of the sticker 1b, so that a Rovinglaufrichtung first roving 2 'and a Rovinglaufrichtung second Rovingabschnitt 2 "are obtained and the Rovingenden Rovingenden formed in each case a half 1b', 1b Carry '' of the severed sticker 1b, the resulting Rovingenden are then held individually
  11. (xi) positioning the end of the first roving portion 2 'of the second material carrying one half 1b' of the label 1b and the end of the second roving portion 1 '' of the first material carrying one half 1a '' of the label 1a, thus joining that these are in Rovinglaufrichtung one behind the other
  12. (xii) affixing a sticker 3b extending over the labels 1a "and 1b" located at the roving ends so as to be connected together
  13. (xiii) advancing the combined roving obtained by connecting the roving ends with further advancement of the roving from the first material according to step (i)
wherein the width of the labels 1a, 1b, 3a, 3b is greater than the width of the rovings, and the stickers are placed on the roving so that each sticker on both sides of the roving has a protruding portion of 2 to 5 mm in width.

Sollen in den Roving aus dem ersten Material weitere Abschnitte aus dem zweiten Rovingmaterial eingesetzt werden, so erfolgt der Vorschub des ersten Materials solange, bis die Position erreicht ist, an der ein weiterer Abschnitt aus dem zweiten Rovingmaterial eingesetzt werden soll, und dann läuft das Verfahren ab Schritt (ii) erneut ab.If further sections of the second roving material are to be inserted into the roving of the first material, the advance of the first material is effected until the position is reached at which a further section of the second roving material is to be inserted, and then the process proceeds from step (ii) again.

Unter Aufkleber wird in der vorliegenden Anmeldung allgemein ein an einer Oberfläche des Rovings festklebbares flächiges Gebilde verstanden, dessen Breite größer ist als die Breite des Rovings, so dass zu beiden Seiten des Rovings Teile des Aufklebers seitlich überstehen.In the present application, the term "sticker" generally refers to a flat structure which can be stuck to a surface of the roving and whose width is greater than the width of the roving, so that parts of the sticker project laterally on both sides of the roving.

Die Aufkleber können beispielsweise aus Klebeband gebildet werden, von dem die Aufkleber mit der gewünschten Breite abgelängt werden. Es können aber auch vorgefertigte Klebeetiketten benutzt werden, die auf einer Trägermaterial bereitgestellt werden, von dem sie abgezogen werden.The stickers can be formed, for example, of adhesive tape, from which the labels are cut to the desired width. However, it is also possible to use prefabricated adhesive labels which are provided on a carrier material from which they are peeled off.

Bevorzugt erfolgt sowohl im Verfahren gemäß Anspruch 1 als auch im Verfahren gemäß Anspruch 2 stets eine beidseitige Anbringung von Aufklebern, d.h. es werden jeweils aus entgegengesetzten Richtungen gleichzeitig Aufkleber an den beiden Oberflächen des Roving appliziert.In the process according to claim 1 as well as in the process according to claim 2, a two-sided application of stickers is preferably always carried out, ie in each case stickers are applied simultaneously from opposite directions to the two surfaces of the roving.

Da die Aufkleber etwas breiter sind als die Rovings, erlauben die seitlich überstehenden Bereiche der Aufkleber das Handling bzw. die Fixierung der Rovingenden. Die Aufkleber sind so dimensioniert, dass sie nach jeder Seite des Rovings 2 bis 5 mm überstehen. In Roving-Laufrichtung beträgt die Ausdehnung der Aufkleber 10 bis 50 mm.Since the stickers are slightly wider than the rovings, the laterally protruding areas of the stickers allow the handling or fixing of the roving ends. The stickers are dimensioned so that they protrude 2 to 5 mm after each side of the roving. In the direction of roving, the dimensions of the stickers are 10 to 50 mm.

Die überstehenden seitlichen Bereiche der Aufkleber können, nachdem die Verbindungen der Rovingenden hergestellt wurden, durch Stanzen oder Schneiden entfernt werden. Die durch die Aufkleber gebildeten Verbindungsstellen weisen dann dieselbe Breite auf wie die miteinander verbundenen Rovingabschnitte. Werden Rovings verschiedener Breite miteinander verbunden, dann werden die überstehenden Bereiche bevorzugt so abgetrennt, dass im Bereich der Verbindungsstelle eine kontinuierliche Änderung der Breite erfolgt.The protruding lateral areas of the labels can be removed by punching or cutting after the joints of the roving ends have been made. The joints formed by the stickers then have the same width as the interconnected Rovingabschnitte. If rovings of different widths are connected to one another, then the protruding areas are preferably cut off so that a continuous change in the width takes place in the area of the connection point.

Der Aufbau der Vorrichtung für das oben beschriebene Verfahren zum Einsetzen von Abschnitten begrenzter Länge aus einem zweiten Material in einen Roving aus einem ersten Material ist in Figur 2.1 bis 2.22 schematisch dargestellt.The structure of the apparatus for the above-described method for inserting limited length portions of a second material into a first material roving is shown in FIG FIGS. 2.1 to 2.22 shown schematically.

Die Vorrichtung weist je eine eingangsseitige Transportvorrichtung auf für die Zufuhr des Rovings 1 aus dem ersten Material und des Rovings 2 aus dem zweiten Material sowie eine ausgangsseitige Transportvorrichtung für den Weitertransport des die Vorrichtung verlassenden kombinierten Rovings, in welchem zwischen Abschnitten 1 und 1" aus dem ersten Rovingmaterial Abschnitte 2' definierter Länge aus dem zweiten Rovingmaterial eingesetzt worden sind. Sämtliche Transpozteinrichtungen sind hier nur schematisch durch je zwei Paare von Zugwalzen 4a und 4b am Einlauf des ersten Rovingmaterials, 4c und 4d am Einlauf des zweiten Rovingmaterials sowie 4e und 4f am Auslauf des die Vorrichtung verlassenden zusammengesetzten Rovings dargestellt. Der detaillierte Aufbau derartiger Transportvorrichtungen ist in der Fachwelt bekannt.The device has in each case an input-side transport device for the supply of the roving 1 of the first material and the roving 2 of the second material and an output-side transport device for the further transport of the device leaving combined roving, in which between sections 1 and 1 "from the All transposing devices are only schematically shown here by two pairs of traction rollers 4a and 4b at the inlet of the first roving material, 4c and 4d at the inlet of the second roving material and 4e and 4f at the outlet The detailed construction of such transport devices is known in the art.

Des weiteren enthält die Vorrichtung eine Etikettiervorrichtung 5 zum Anbringen der Aufkleber 1a, 1b, 3a, 3b und eine nur in den Figuren 2.5 und 2.16 sichtbare Trennvorrichtung 6 zum mittigen Durchtrennen der Aufkleber 1a, 1b.Furthermore, the device includes a labeling device 5 for attaching the labels 1a, 1b, 3a, 3b and only in the Figures 2.5 and 2.16 visible separating device 6 for the central cutting through the labels 1a, 1b.

Sowohl die Etikettiervorrichtung 5 als auch die Trennvorrichtung 6 sind beweglich angeordnet, so dass sie seitlich aus dem Laufweg des Rovings heraus gefahren werden können. Dazu sind die Etikettiervorrichtung 5 und die Trennvorrichtung 6 auf einem gemeinsamen, sich quer zur Laufrichtung des Rovings erstreckenden Transportschlitten 7 angeordnet. Während der Verfahrensschritte, in denen weder die Etikettiervorrichtung 5 noch die Trennvorrichtung 6 aktiv sind, befinden sie sich in einander gegenüberliegenden Ruhepositionen auf verschiedenen Seiten des Rovings. Für die Verfahrensschritte, in denen das Anbringen bzw. Durchtrennen eines Aufklebers erfolgt, wird der Transportschlitten 7 in Querrichtung zur Laufrichtung des Rovings so verfahren, dass die jeweils benötigte Vorrichtung in den Laufweg des Rovings eingreifen kann, d.h. Aufkleber anbringen bzw. diese durchtrennen.Both the labeling device 5 and the separating device 6 are arranged to be movable, so that they can be moved laterally out of the way of the roving. For this purpose, the labeling device 5 and the separating device 6 are arranged on a common transport carriage 7 extending transversely to the running direction of the roving. During the process steps in which neither the labeling device 5 nor the separating device 6 are active, they are in mutually opposite rest positions on different sides of the roving. For the process steps in which the Attaching or cutting a sticker is done, the transport carriage 7 is moved in the transverse direction to the direction of the roving so that the device required in each case can engage in the path of the roving, ie attach stickers or cut them.

Die Vorrichtung umfasst insgesamt zwei eingangsseitige Klemmvorrichtungen 8', 8' und eine ausgangsseitige Klemmvorrichtung 8"'. Eine erste eingangsseitige Klemmvorrichtung 8' befindet sich in Laufrichtung des Rovings 1 zwischen dem Zugwalzenpaar 4b und der Position, an der die Etikettier- bzw. Trennvorrichtung angreift. Eine zweite eingangsseitige Klemmvorrichtung 8" befindet sich in Laufrichtung des Rovings 1 zwischen dem Zugwalzenpaar 4d und der Position, an der die Etikettier- bzw. Trennvorrichtung angreift. Die ausgangsseitige Klemmvorrichtung 8''' befindet sich in Laufrichtung des Rovings nach der Position, an der die Etikettier- bzw. Trennvorrichtung angreift. In Rovinglaufrichtung folgt der Klemmvorrichtung 8''' das Zugwalzenpaar 4e.The device comprises in total two input-side clamping devices 8 ', 8' and an output-side clamping device 8 "'. A first input-side clamping device 8' is located in the running direction of the roving 1 between the draw roller pair 4b and the position at which the labeling or separating device engages A second input-side clamping device 8 "is located in the running direction of the roving 1 between the draw roller pair 4d and the position at which the labeling or separating device acts. The output-side clamping device 8 '' 'is located in the direction of the roving after the position at which attacks the labeling or separation device. In Rovinglaufrichtung follows the clamping device 8 '' 'the Zugwalzenpaar 4e.

Jeweils eine der eingangsseitigen Klemmvorrichtungen 8' bzw. 8'' wirkt mit der ausgangsseitigen Klemmvorrichtung 8''' zusammen, um den Abschnitt des Rovings, der mit einem Aufkleber versehen und durchtrennt werden soll, zu fixieren. Nach erfolgtem Trennvorgang werden die entstandenen Rovingenden durch je eine dieser beiden Klemmvorrichtungen festgehalten. Die dritte Klemmvorrichtung hält das Ende des Rovings aus dem anderen Material fest.In each case one of the input-side clamping devices 8 'and 8' 'cooperates with the output-side clamping device 8' '' to fix the portion of the roving, which is to be provided with a sticker and to be severed. After the separation process, the resulting roving ends are held by one of these two clamping devices. The third clamp holds the end of the roving from the other material.

Die Zugwalzenpaare 4b und 4d und die darauffolgenden Klemmvorrichtungen 8' und 8'' sind auf einer senkrecht zur Laufrichtung der Rovings verschiebbaren Basisplatte 9 angeordnet. Durch Verschiebung der Basisplatte 9 wird eingestellt, ob das erste oder zweite Rovingmaterial zugeführt wird. Nach jedem Trennvorgang wird die Klemmvorrichtung, welche das Ende des in Rovinglaufrichtung zweiten Abschnitts des durchtrennten Rovings festhält, nebst zugehörigem Zugwalzenpaar durch senkrechtes Verschieben der Basisplatte 9 aus dem Rovinglaufweg heraus geschoben, und gleichzeitig wird die Klemmvorrichtung, in welcher das Ende des anderen Rovingmaterials festgeklemmt ist, nebst zugehörigem Zugwalzenpaar hinter das in der Klemmvorrichtung 8''' festgehaltene Ende des ersten Abschnitts des durchtrennten Rovingmaterials geschoben.The Zugwalzenpaare 4b and 4d and the subsequent clamping devices 8 'and 8' 'are arranged on a displaceable perpendicular to the direction of the rovings base plate 9. By shifting the base plate 9 is set whether the first or second roving material is supplied. After each cutting operation, the clamping device, which holds the end of the roving in the second portion of the severed roving, along with associated Zugwalzenpaar by vertically displacing the base plate 9 from the Rovinglaufweg pushed out, and at the same time, the clamping device in which the end of the other Rovingmaterials is clamped , along with the associated draw roller pair, are pushed behind the end of the first section of the severed roving material held in the clamping device 8 '".

Es ist auch möglich, Etikettiervorrichtung 5 und Trennvorrichtung 6 in Rovinglaufrichtung nacheinander anzuordnen. Dann sind jedoch weitere Klemmvorrichtungen nötig, da sowohl beim Anbringen des Aufklebers als auch beim Trennvorgang der entsprechende Bereich des Roving fixiert, d.h. durch Klemmvorrichtungen festgehalten sein muss.It is also possible to arrange the labeling device 5 and the separating device 6 in the direction of roving running in succession. Then, however, further clamping devices are necessary, since both the application of the sticker and the separation process fixes the corresponding area of the roving, i. must be held by clamping devices.

Zwischen den Zugwalzenpaaren 4e und 4f, über welche der mit Abschnitten 2' begrenzter Länge aus einem zweiten Material versehene kombinierte Roving die Vorrichtung verlässt, kann eine Schneid- oder Stanzvorichtung 10 vorgesehen werden, welche die seitlich überstehenden Bereiche der Aufkleber entfernt, sofern diese nicht bei der weiteren Verarbeitung zum Handling des Rovings benutzt werden sollen.Between the Zugwalzenpaaren 4e and 4f, over which the limited with sections 2 ' Length of composite material provided with a second roving leaves the device, a cutting or punching device 10 may be provided which removes the laterally protruding portions of the label, unless they are to be used in the further processing for handling the roving.

Alle Bestandteile der Vorrichtung sind auf einer Grundplatte 11 entsprechend ihrem funktionellen Zusammenwirken angeordnet und befestigt.All components of the device are arranged and fixed on a base plate 11 according to their functional interaction.

Zur Herstellung eines Rovings aus einem ersten Material 1, in welches an bestimmten Stellen Abschnitte definierte Länge aus einem zweiten Material 2 eingesetzt werden sollen, wird das erste Rovingmaterial 1 über die Zugwalzenpaare 4a, 4b und 4e, 4f vorgeschoben (Verfahrensschritt (i)), bis die Position erreicht ist, an der ein Abschnitt 2' definierter Länge aus einem zweiten Rovingmaterial eingesetzt werden soll. Jetzt wird der Vorschub des ersten Rovingmaterials gestoppt und das Roving 1 durch die Klemmvorrichtungen 8', 8"' an der entsprechenden Stelle festgehalten und von der Etikettiervorrichtung 5 mit einem Aufkleber 1a versehen (Verfahrensschritte (ii) und (iii)). Wenn das Roving 1 von der Trennvorrichtung 6 gemäß Verfahrenschritt (iv) in der Mitte des Aufklebers 1a durchtrennt worden ist, hält die Klemmvorrichtung 8"' das Ende des beim Trennvorgang gebildeten ersten Rovingabschnitts 1' fest und die Klemmvorrichtung 8' das Ende des beim Trennvorgang gebildeten zweiten Rovingabschnitts 1" des ersten Rovingmaterials.For producing a roving of a first material 1, in which sections defined length of a second material 2 are to be used at specific locations, the first roving material 1 is advanced over the draw roller pairs 4a, 4b and 4e, 4f (method step (i)), until the position is reached at which a section 2 'of defined length is to be inserted from a second roving material. Now the feed of the first roving material is stopped and the roving 1 is held in place by the clamping devices 8 ', 8 "' and provided with a sticker 1a by the labeling device 5 (method steps (ii) and (iii)) 1 has been severed by the separator 6 according to process step (iv) in the middle of the label 1a, the clamping device 8 "'holds the end of the first roving section 1 formed during the separation process and the clamping device 8' the end of the second roving section formed during the separation process 1 "of the first roving material.

Anschließend wird die Basisplatte 9 mit den darauf befindlichen Klemmvorrichtungen 8', 8" und Zugwalzenpaaren 4b, 4d so verschoben, dass das von der Klemmvorrichtung 8" gehaltene, mit einem Aufkleber 1b' versehene Ende des Rovings 2 aus dem zweiten Material in Rovinglaufrichtung genau hinter das von der Klemmvorrichtung 8''' festgehaltene Ende des ersten Abschnitts 1' des ersten Rovingmaterials positioniert wird (Verfahrensschritt (v)). Jetzt wird die Etikettiervorrichtung 5 erneut wirksam und verbindet gemäß Verfahrensschritt (vi) die beiden Rovingenden durch einen Aufkleber 3a.Subsequently, the base plate 9 with the clamps located thereon 8 ', 8 "and Zugwalzenpaaren 4b, 4d shifted so that held by the clamping device 8", provided with a sticker 1b' end of the roving 2 of the second material in Rovinglaufrichtung just behind the end of the first portion 1 'of the first roving material retained by the clamping device 8' '' is positioned (method step (v)). Now the labeling device 5 becomes effective again and, according to method step (vi), connects the two roving ends with a sticker 3a.

Danach werden die Klemmvorrichtungen 8", 8''' gelöst und das zweite Rovingmaterial wird über die Zugwalzenpaare 4bc, 4d und 4e, 4f vorgeschoben (Verfahrensschritt (vii)), bis die Position erreicht ist, an welcher der aus dem zweiten Material zu bildende Rovingabschnitt 2'' enden soll. Jetzt wird der Vorschub des Rovings 2 gestoppt und das Roving 2 durch die Klemmvorrichtungen 8", 8''' an der entsprechenden Stelle festgehalten und von der Etikettiervorrichtung 5 mit einem Aufkleber 1b versehen (Verfahrensschritte (viii) und (ix)). Wenn das Roving 2 von der Trennvorrichtung 6 gemäß Verfahrensschritt (x) in der Mitte des Aufklebers 1b durchtrennt worden ist, hält die Klemmvorrichtung 8''' das Ende des beim Trennvorgang gebildeten ersten Rovingabschnitts 2' fest und die Klemmvorrichtung 8" das Ende des beim Trennvorgang gebildeten zweiten Rovingabschnitts 2" des zweiten Rovingmaterials.Thereafter, the clamping devices 8 ", 8 '''are released and the second roving material is fed over the Zugwalzenpaare 4bc, 4d and 4e, 4f (step (vii)) until the position is reached at which the to be formed from the second material Now the feed of the roving 2 is stopped and the roving 2 by the clamping devices 8 ", 8 '''held in the appropriate place and provided by the labeling device 5 with a label 1b (steps (viii) and (ix)). When the roving 2 has been severed by the separating device 6 according to method step (x) in the middle of the sticker 1b, the clamping device 8 '''holds the end of the Separating operation formed first roving 2 'fixed and the clamping device 8 "the end of the second roving formed during the separation process 2" of the second Rovingmaterials.

Anschließend wird die Basisplatte mit den darauf befindlichen Klemmvorrichtungen 8', 8" und Zugwalzenpaaren 4b, 4d so verschoben, dass das von der Klemmvorrichtung 8' gehaltene Ende des zweiten Rovingabschnitts 1" aus dem ersten Material in Rovinglaufrichtung genau hinter das von der Klemmvorrichtung 8"' festgehaltene Ende des ersten Abschnitts 2' des zweiten Rovingmaterials positioniert wird (Verfahrensschritt (xi)). Jetzt wird die Etikettiervorrichtung 5 erneut wirksam und verbindet gemäß Verfahrensschritt (xii) die beiden Rovingenden durch einen Aufkleber 3b.Subsequently, the base plate with the clamps located thereon 8 ', 8 "and Zugwalzenpaaren 4b, 4d shifted so that held by the clamping device 8' end of the second Rovingabschnitts 1" of the first material in Rovinglaufrichtung just behind the of the clamping device 8 " Now, the labeling device 5 becomes effective again and, according to method step (xii), connects the two roving ends with a sticker 3b.

Danach werden die Klemmvorrichtungen 8', 8''' gelöst und das erste Rovingmaterial wird über die Zugwalzenpaare 4a, 4b und 4e, 4f vorgeschoben, bis die Position erreicht ist, an der ein weiterer Abschnitt definierter Länge 2' aus einem zweiten Rovingmaterial eingesetzt werden soll, und das Verfahren läuft von neuem ab.Thereafter, the clamping devices 8 ', 8' '' are released and the first roving material is advanced over the Zugwalzenpaare 4a, 4b and 4e, 4f, until the position is reached at which a further portion of defined length 2 'of a second Rovingmaterial be used and the process is running again.

Die Figuren 2.1 bis 2.22 veranschaulichen detailliert die nacheinander ablaufenden Schritte des erfindungsgemäßen Prozesses. Dabei ist die in Figur 2.1 bis 2.22 dargestellte Abfolge als Ausschnitt aus einem kontinuierlichen Verfahrensablauf zu sehen. D.h. es wurden bereits vorher Abschnitte 2' von definierter Länge aus einem zweiten Rovingmaterial in den Roving 1 aus dem ersten Material eingesetzt, so dass das Ende des Rovings 2 bereits mit einem in einem Trennvorgang gemäß Schritt (x) halbierten Aufkleber 1b" versehen ist.The Figures 2.1 to 2.22 illustrate in detail the successive steps of the process according to the invention. Here is the in FIGS. 2.1 to 2.22 To see sequential sequence as a section of a continuous process flow. That is, sections 2 'of defined length from a second roving material have been previously inserted into the roving 1 of the first material, so that the end of the roving 2 is already provided with a sticker 1b "which is halved in a separation process according to step (x).

Diese Ausgangssituation zeigt Figur 2.1. Roving 1 aus dem ersten Material wird über die Zugwalzenpaare 4a, 4b, 4e, 4f vorgeschoben, dabei sind die Klemmvorrichtungen 8', 8'" offen. Roving 2 aus dem zweiten Material wird durch die Klemmvorrichtung 8" festgehalten. Am Ende von Roving 2 befindet sich die Hälfte 1b" des beim vorigen Trennvorgang des Rovings 2 halbierten Aufklebers.This initial situation shows Figure 2.1 , Roving 1 of the first material is advanced over the draw roller pairs 4a, 4b, 4e, 4f while the clamps 8 ', 8'"are open, and roving 2 of the second material is retained by the clamp 8". At the end of Roving 2 there is half 1b "of the sticker cut in half before the roving 2 was severed.

Der Vorschub des Rovings 1 wird angehalten, wenn die Position erreicht ist, an welcher Roving 1 durchtrennt und der Abschnitt aus dem zweiten Rovingmaterial eingesetzt werden soll. Wie in Figur 2.2 gezeigt, wird Roving 1 in diesem Bereich durch Schließen der Klemmvorrichtungen 8', 8''' fixiert.The advance of the roving 1 is stopped when the position is reached, at which roving 1 cuts and the section of the second roving material is to be inserted. As in Figure 2.2 Roving 1 is fixed in this area by closing the clamping devices 8 ', 8'''.

Nun wird die Etikettiervorrichtung 5 mittels des quer zur Rovinglaufrichtung verschiebbaren Schlittens 7 so positioniert (Figur 2.3), dass an der Oberfläche von Roving 1 ein Aufkleber 1a angebracht werden kann. Figur 2.4 zeigt den mit einem nach beiden Seiten überstehenden Aufkleber 1a versehenen Roving 1, nachdem die Etikettiervorrichtung 5 in ihre Ruheposition zurückgefahren ist.Now, the labeling device 5 is positioned by means of the slidable transverse to the direction Rovinglaufschlitten 7 ( Figure 2.3 ) that a sticker 1a can be attached to the surface of roving 1. Figure 2.4 shows the provided with a protruding on both sides label 1a roving 1 after the labeling device 5 in its rest position has moved back.

Jetzt (Figur 2.5) wird die Trennvorrichtung 6 mittels des quer zur Rovinglaufrichtung verschiebbaren Schlittens 7 in Arbeitsposition gebracht, so dass sie Roving 1 in der Mitte des Aufklebers 1a durchtrennen kann. Infolge des Trennvorgangs entstehen zwei Rovingabschnitte aus dem ersten Rovingmaterial, ein in Rovinglaufrichtung erster Abschnitt 1' und ein in Rovinglaufrichtung zweiter Abschnitt 1". Die Enden der Rovingabschnitte 1' bzw. 1", die durch die Klemmvorrichtungen 8''' bzw. 8' gehalten werden, tragen jeweils eine Hälfte 1a' bzw. 1a'' des durchtrennten Aufklebers 1a (Figur 2.6).Now ( Figure 2.5 ), the separating device 6 is brought into working position by means of the slidable transversely to Rovinglaufrichtung slide 7, so that they roving 1 can cut through in the middle of the label 1 a. As a result of the separation process, two roving sections are formed from the first roving material, a first section 1 'in the direction of running of the roving, and the second section 1 "in the direction of the running of the roving. each carry one half 1a 'and 1a''of the severed label 1a ( Figure 2.6 ).

Dann wird durch Verschieben der Basisplatte 9 das durch die Klemmvorrichtung 8" festgehaltene Ende des Rovings 2, welches die Hälfte 1b" eines Aufklebers 1b trägt, in Rovinglaufrichtung hinter dem mit der Hälfte 1a' des Aufklebers 1a versehenen Ende des ersten Abschnitts 1" des ersten Rovings positioniert (Figur 2.7). Das Ende des zweiten Rovingabschnitts 1" des ersten Materials wird weiterhin von Klemmvorrichtung 8' festgehalten, die beim Verschieben der Basisplatte 9 aus dem Rovinglaufweg heraus geschoben wurde.Then, by moving the base plate 9, the end of the roving 2 "holding the half 1b" of a sticker 1b by the clamping device 8 is moved in the direction of roving behind the end of the first portion 1 "of the first half 1a 'of the label 1a Rovings positioned ( Figure 2.7 ). The end of the second roving portion 1 "of the first material is further held by clamping device 8 ', which was pushed out of the Rovinglaufweg when moving the base plate 9.

Nun wird die Etikettiervorrichtung 5 mittels des quer zur Rovinglaufrichtung verschiebbaren Schlittens 7 so positioniert (Figur 2.8), dass ein Aufkleber 3a angebracht werden kann, der sich der sich über die an den Rovingenden befindlichen halbierten Aufkleber 1a' und 1b" erstreckt, so dass diese miteinander verbunden werden. Figur 2.9 zeigt die mit dem Aufkleber 3a verbundenen Rovings 1' und 2, nachdem die Etikettiervorrichtung 5 in ihre Ruheposition zurückgefahren ist.Now, the labeling device 5 is positioned by means of the slidable transverse to the direction Rovinglaufschlitten 7 ( Figure 2.8 ) that a sticker 3a can be attached, which extends over the halved labels 1a 'and 1b "located at the roving ends, so that they are connected together. Figure 2.9 shows the rovings 1 'and 2 connected to the sticker 3a, after the labeling device 5 is moved back to its rest position.

Jetzt werden die Klemmvorrichtungen 8", 8''' geöffnet, und der Vorschub des Rovingmaterials 2 über die Zugwalzenpaare 4c, 4d, 4e, 4f beginnt (Figur 2.10). In Figur 2.11 durchläuft die durch die Aufkleber 1a', 1b'', 3a gebildete Verbindungsstelle die Stanzvorrichtung 10, in welcher die seitlich überstehenden Bereiche der Aufkleber entfernt werden. In Figur 2.12 ist der Materialvorschub weiter fortgeschritten und die in der Stanzvorrichtung 10 auf Rovingbreite gebrachte Verbindungsstelle 3a der beiden Rovingmaterialien sichtbar.Now, the clamping devices 8 ", 8 '''are opened, and the feed of the roving material 2 via the Zugwalzenpaare 4c, 4d, 4e, 4f begins ( Figure 2.10 ). In Figure 2.11 the joint formed by the stickers 1a ', 1b'', 3a passes through the punching device 10, in which the laterally protruding portions of the stickers are removed. In Figure 2.12 the material feed is more advanced and visible in the punching device 10 roving width joint 3a of the two Rovingmaterialien visible.

Der Vorschub des Rovings 2 wird angehalten, wenn die Position erreicht ist, an welcher der aus dem zweiten Material zu bildende Abschnitt enden soll. Wie in Figur 2.13 gezeigt, wird Roving 2 in diesem Bereich durch Schließen der Klemmvorrichtungen 8", 8''' fixiert.The advance of the roving 2 is stopped when the position at which the portion to be formed from the second material is to end is reached. As in Figure 2.13 Roving 2 is fixed in this area by closing the clamping devices 8 ", 8 '''.

Nun wird die Etikettiervorrichtung 5 mittels des quer zur Rovinglaufrichtung verschiebbaren Schlittens 7 so positioniert (Figur 2.14), dass an der Oberfläche von Roving 2 ein Aufkleber 1b angebracht werden kann. Figur 2.15 zeigt den mit einem nach beiden Seiten überstehenden Aufkleber 1b versehenen Roving 2, nachdem die Etikettiervorrichtung 5 in ihre Ruheposition zurückgefahren ist.Now, the labeling device 5 is positioned by means of the slidable transverse to the direction Rovinglaufschlitten 7 ( Figure 2.14 ) that on the surface of Roving 2 a label 1b can be attached. Figure 2.15 shows the roving 2 provided with a label 1b projecting on both sides after the labeling device 5 is in its rest position has moved back.

Jetzt (Figur 2.16) wird die Trennvorrichtung 6 mittels des quer zur Rovinglaufrichtung verschiebbaren Schlittens 7 in Arbeitsposition gebracht, so dass sie Roving 2 in der Mitte des Aufklebers 1b durchtrennen kann. Infolge des Trennvorgangs entstehen zwei Rovingabschnitte aus dem zweiten Rovingmaterial, ein in Rovinglaufrichtung erster Abschnitt 2' und ein in Rovinglaufrichtung zweiter Abschnitt 2". Die Enden der Rovingabschnitte 2' bzw. 2", die durch die Klemmvorrichtungen 8'" bzw. 8" gehalten werden, tragen jeweils eine Hälfte 1b' bzw. 1b" des durchtrennten Aufklebers 1b (Figur 2.17).Now ( Figure 2.16 ), the separating device 6 is brought into working position by means of the slidable transversely to Rovinglaufrichtung slide 7, so that they roving 2 can cut through in the middle of the sticker 1 b. As a result of the separation process, two roving sections are formed from the second roving material, a first-directional-directional portion 2 'and a second-order, second-directional-curving direction. "The ends of the roving sections 2' and 2", respectively, are held by the clamping devices 8 '''and8'', respectively each carry one half 1b 'and 1b "of the severed label 1b ( Figure 2.17 ).

Dann wird durch Verschieben der Basisplatte 9 das durch die Klemmvorrichtung 8' festgehaltene Ende des zweiten Rovingabschnitts 1" des ersten Materials, welches die Hälfte 1a" des Aufklebers 1a trägt, in Rovinglaufrichtung hinter dem mit der Hälfte 1b' des Aufklebers 1b versehenen Ende des ersten Abschnitts 2' des zweiten Rovingmaterials positioniert (Figur 2.18). Das Ende des zweiten Rovingabschnitts 2" des zweiten Materials wird weiterhin von Klemmvorrichtung 8" festgehalten, die beim Verschieben der Basisplatte 9 aus dem Rovinglaufweg heraus geschoben wurde.Then, by moving the base plate 9, the end of the second roving portion 1 "of the label 1a held by the clamping device 8 'in the running direction behind the end of the first one provided with the half 1b' of the label 1b Position 2 'of the second roving material ( Figure 2.18 ). The end of the second roving section 2 "of the second material is further held by clamping device 8", which was pushed out of the Rovinglaufweg when moving the base plate 9.

Nun wird die Etikettiervorrichtung 5 mittels des quer zur Rovinglaufrichtung verschiebbaren Schlittens 7 so positioniert (Figur 2.19), dass ein Aufkleber 3b angebracht werden kann, der sich der sich über die an den Rovingenden befindlichen halbierten Aufkleber 1b' und 1a" erstreckt, so dass diese miteinander verbunden werden. Figur 2.20 zeigt die mit dem Aufkleber 3b verbundenen Rovingabschnitte 2' und 1'', nachdem die Etikettiervorrichtung 5 in ihre Ruheposition zurückgefahren ist.Now, the labeling device 5 is positioned by means of the slidable transverse to the direction Rovinglaufschlitten 7 ( Figure 2.19 ), that a sticker 3b can be attached, which extends over the located at the Rovingenden halved label 1b 'and 1a ", so that they are connected to each other. Figure 2.20 shows the roving sections 2 'and 1 "connected to the sticker 3b after the labeling device 5 has returned to its rest position.

Jetzt werden die Klemmvorrichtungen 8', 8''' geöffnet, und der Vorschub des Rovingmaterials 1 über die Zugwalzenpaare 4a, 4b, 4e, 4f beginnt (Figur 2.21). In Figur 2.21 durchläuft die durch die Aufkleber 1b', 1a'', 3b gebildete Verbindungsstelle die Stanzvorrichtung 10, in welcher die seitlich überstehenden Bereiche der Aufkleber entfernt werden. In Figur 2.22 ist der Materialvorschub weiter fortgeschritten und die in der Stanzvorrichtung 10 auf Rovingbreite gebrachte Verbindungsstelle 3b der beiden Rovingmaterialien sichtbar. Im Verlauf des weiteren Vorschubs des ersten Rovingmaterials wird schließlich wieder die in Figur 2.1 gezeigte Situation erreicht, und der Ablauf ab Figur 2.2 kann erneut beginnen, wenn die Position erreicht ist, an welcher das erste Rovingmaterial durchtrennt und ein weiterer Abschnitt aus dem zweiten Rovingmaterial eingesetzt werden soll.Now, the clamping devices 8 ', 8''' are opened, and the feed of the Rovingmaterials 1 on the Zugwalzenpaare 4a, 4b, 4e, 4f begins ( Figure 2.21 ). In Figure 2.21 the joint formed by the labels 1b ', 1a ", 3b passes through the punching device 10, in which the laterally protruding portions of the labels are removed. In Figure 2.22 the material feed is more advanced and visible in the punching device 10 roving width joint 3b of the two Rovingmaterialien visible. In the course of the further feed of the first Rovingmaterials finally the in Figure 2.1 shown situation, and the expiration Figure 2.2 may begin again when the position is reached at which the first roving material is severed and another portion of the second roving material is to be inserted.

Vorzugsweise umfasst die Etikettiervorrichtung 5 ein Paar aus zwei symmetrisch angeordneten Etikettiervorrichtungen, zwischen denen das Roving durchläuft, so dass es synchron aus zwei entgegengesetzten Richtungen d.h. an beiden Oberflächen mit je einem Aufkleber versehen werden kann.Preferably, the labeling device 5 comprises a pair of two symmetrically arranged labeling devices, between which the roving passes, so that it synchronously from two opposite directions, ie can be provided on both surfaces with a sticker.

Bei Verwendung von Etiketten, die auf einem Trägerband bereitgestellt werden, sind diese vorzugsweise beidseitig mit einer Adhäsivschicht ausgerüstet, wobei die Adhäsivschicht auf der zum Trägerband weisenden Oberfläche der Klebeetiketten in ihrer Klebewirkung schwächer ist als die Adhäsivschicht auf der vom Trägerband abgewandten Oberfläche. Die Etiketten werden auf den jeweiligen Trägerbändern unmittelbar an die mit einem Etikett zu versehende Oberfläche des Rovings heran geführt. In unmittelbarer Nähe zur Oberfläche des Rovings läuft das Trägerband jeweils um eine scharfe Umlenkkante. Aufgrund der geringeren Klebewirkung der Adhäsivschicht auf der dem Trägerband zugewandten Etikettoberfläche schält sich beim Umlenken des Trägerbandes das an der Umlenkposition befindliche Etikett vom Trägerband ab und haftet mit seiner vom Trägerband abgewandten, eine starke Klebewirkung aufweisenden zweiten Adhäsivschicht an der Oberfläche des unmittelbar an der Umlenkkante vorbeilaufenden Rovings.When using labels which are provided on a carrier tape, these are preferably provided on both sides with an adhesive layer, wherein the adhesive layer on the carrier tape facing surface of the adhesive labels in their adhesive effect is weaker than the adhesive layer on the surface facing away from the carrier tape surface. The labels are brought on the respective carrier tapes directly to the label to be provided surface of the roving zoom. In the immediate vicinity of the surface of the roving the carrier tape runs around a sharp deflection edge. Due to the lower adhesive effect of the adhesive layer on the carrier tape facing label surface peels off when deflecting the carrier tape located at the deflection label from the carrier tape and adheres with its remote from the carrier tape, a strong adhesive effect having second adhesive layer on the surface of passing directly on the deflection rovings.

Figur 3 zeigt schematisch den Aufbau eine solche Etikettiervorrichtung 5. Beispielhaft ist die Situation dargestellt, dass Roving 1 über die Zugwalzen 4b, 4e vorgeschoben wird und die mit einem Aufkleber 1a zu versehene Position erreicht hat. Die Klemmvorrichtungen 8', 8''' wurden der Übersicht halber weggelassen. FIG. 3 shows schematically the structure of such a labeling device 5. By way of example, the situation is shown that Roving 1 is advanced over the tension rollers 4b, 4e and has reached the position to be provided with a label 1a. The clamping devices 8 ', 8''' have been omitted for clarity.

Die Etikettiervorrichtung 5 umfasst ein Paar aus zwei symmetrisch angeordneten Teilvorrichtungen 5' und 5'', zwischen denen das Roving 1 durchläuft. An beide Oberflächen des durchlaufenden Rovings 1 werden jeweils über Trägerbänder 5a, 5b mit Umlenkkanten 5c, 5d Klebeetiketten synchron antransportiert. Das Roving 1 läuft zwischen den Umlenkkanten 5c, 5d der Trägerbänder 5a, 5b hindurch, wobei sich an der Umlenkkante 5c bzw. 5d von jedem Trägerband 5a, 5b ein Etikett abschält und an der der jeweiligen Etikettiervorrichtung zugewandten Rovingoberfläche anhaftet. Somit ist an der vorgesehenen Trennstelle das Roving beidseitig mit Etiketten versehen.The labeling device 5 comprises a pair of two symmetrically arranged sub-devices 5 'and 5 ", between which the roving 1 passes. On both surfaces of the continuous rovings 1, adhesive labels are in each case transported synchronously via carrier tapes 5a, 5b with deflecting edges 5c, 5d. The roving 1 passes between the deflecting edges 5c, 5d of the carrier ribbons 5a, 5b, whereby at the deflecting edge 5c or 5d of each carrier strip 5a, 5b a label peels off and adheres to the roving surface facing the respective labeling device. Thus, the roving is provided on both sides with labels at the intended separation point.

Sollen die mit dem erfindungsgemäßen Verfahren hergestellten kombinierten Rovings für das Verfahren zur Herstellung von Armierungen durch Zuschnitt aus textilen Flächengebilden, z.B. Multiaxialgelegen, gemäß DE 10 2006 013 063 benutzt werden, dann ist beispielsweise das erste Rovingmaterial Carbonfaser und das zweite Rovingmaterial Glasfaser.If the combined rovings produced by the method according to the invention for the process for the production of reinforcements by cutting from textile fabrics, eg Multiaxialgelegen, according to DE 10 2006 013 063 For example, the first roving material is carbon fiber and the second roving material is glass fiber.

Bei der Verarbeitung von Carbonfasern als Roving oder in anderer Form als gespreiztes Material kommt es gerade bei breiteren Multiaxialgelege-Maschinen zu Problemen hinsichtlich einer guten Ausstreckung des gespreizten Carbonfasermaterials über die Warenbreite bzw. in Richtung der Materiallage (bei +/-45° oder 90° - Lagen). Hier kann durch das erfindungsgemäße Verfahren Abhilfe geschaffen werden, indem kombinierte Rovings aus Carbonfasern 1 mit Zwischenabschnitten 2 aus einem elastischen Fadenmaterial hergestellt werden. Die eingesetzten Abschnitte werden so ausgelegt, dass die Abschnitte aus Carbonfasern sich über den Bereich des Flächengebildes erstrecken, aus dem anschließend der Zuschnitt hergestellt wird, und die Abschnitte aus elastischem Fadenmaterial sich an den Rändern des Flächengebildes befinden.In the processing of carbon fibers as a roving or in other form as splayed material, there is a problem with a good extension of the spread carbon fiber material on the wide-spread multiaxial jelly machine in particular Fabric width or in the direction of the material layer (at +/- 45 ° or 90 ° - layers). Here can be provided by the inventive method remedial by combined rovings made of carbon fibers 1 are made with intermediate sections 2 of an elastic thread material. The inserted sections are designed so that the sections of carbon fibers extend over the area of the sheet from which the blank is subsequently made, and the sections of elastic thread material are at the edges of the sheet.

Bei Ablage der kombinierten Rovings auf der Multiaxialgelge-Maschine (Figur 4 zeigt beispielhaft die Herstellung einer 45° -Lage eines Multiaxialgeleges) befinden sich die aus elastischem Fadenmaterial bestehenden Abschnitte 2 der kombinierten Rovings also an den seitlichen Rändern der gebildeten Lage, wo sie durch die Haltevorrichtungen 12 der Maschine festgehalten werden. Durch die Einwirkung der an den Rändern festgehaltenen elastischen Bereiche 2 der kombinierten Rovings bleiben die aus Carbonfasern gebildeten Bereiche 1 nachhaltig gespannt bleibt, zumindest bis in der (in Figur 4 nicht dargestellten) Nähstation bzw. Verfestigungsstation die Verbindung mit den anderen Lagen des Multiaxialgeleges erfolgt. Die Verbindung der einzelnen Rovingabschnitte an den Verbindungsstellen 3 wurden wie oben beschrieben durch das erfindungsgemäße Verfahren hergestellt.When storing the combined rovings on the Multiaxialgelge machine ( FIG. 4 shows by way of example the production of a 45 ° layer of a Multiaxialgeleges) are made of elastic thread material sections 2 of the combined rovings so at the lateral edges of the formed layer, where they are held by the holding devices 12 of the machine. As a result of the action of the elastic regions 2 of the combined rovings held at the edges, the regions 1 formed from carbon fibers remain permanently tensioned, at least until they reach the (in FIG. 4 not shown) sewing station or solidification station, the connection is made with the other layers of Multiaxialgeleges. The connection of the individual roving sections at the connection points 3 were produced as described above by the method according to the invention.

Verbesserte Ausstreckung hat gerade bei Carbonfasern einen hohen Einfluss auf die Druckfestigkeit, daher bietet hier die Kombination der Herstellung von Multiaxial-Gelegen mit dem erfindungsgemäßen Verfahren zur Herstellung kombinierter Rovings aus Carbonfasern mit an definierten Positionen eingesetzten Abschnitten definierter Länge aus elastischem Fadenmaterial einen signifikanten technischen und wirtschaftlichen Vorteil.Improved expansion has a great influence on compressive strength, especially for carbon fibers, therefore combining the production of multiaxial layers with the inventive method for producing combined rovings of carbon fibers with sections of defined length defined in elastic thread material has significant technical and economic advantages Advantage.

Claims (11)

  1. A method for connecting the ends of two rovings (1, 2) comprising the following steps:
    (i) application of adhesive strips (1a, 2a) to the ends of the rovings (1, 2) to be connected to one another
    (ii) positioning the roving ends provided with the adhesive strips (1a, 2a) one behind the other in the roving running direction
    (iii) application of a further adhesive strip (3) onto the roving ends lying one behind the other and provided with adhesive strips (1a, 2a) in step (i), which further adhesive strip extends over the two adhesive strips (1a, 2a) at the roving ends, so that these are connected to one another
    (iv) if required, removal of the protruding lateral regions of the adhesive strips (1 a, 2a, 3);
    wherein the width of the adhesive strips (1a, 2a, 3) is larger than the width of the rovings (1, 2) and the adhesive strips are placed onto the roving ends in such a manner that each adhesive strip (1a, 2a, 3) on both sides of the roving (1, 2) has a protruding region of 2 to 5 mm width in each case.
  2. The method for inserting a section (2') of limited length made of a second roving material (2) into a roving (1) made of a first material, so that a combined roving material is obtained, comprising the following steps
    (i) feeding of the roving (1) made of the first material, simultaneous keeping ready of the roving (2) made of the second material, the front end of which in the roving running direction carries an adhesive strip (1b")
    (ii) stopping of the feed and fixing of the roving (1) made of the first material when the position is reached, at which the section (2') made of the second roving material (2) should be inserted
    (iii) application of an adhesive strip (1a) at the position at which the roving (1) made of the first material should be cut through and the section (2') made of the second material (2) should be inserted
    (iv) cutting through of the roving (1) made of the first material in the centre of the adhesive strip (1a) applied in step (iii) so that a first roving section (1') in the roving running direction and a second roving section (1") in the roving running direction are obtained and the roving ends created during the cutting through in each case carry one half (1a', 1a") of the cut through adhesive strip (1a), wherein the roving ends created are then held individually
    (v) positioning of the end of the first roving section (1'), made of the first material and carrying a half (1a') of the adhesive strip (1a) cut through in step (iv), and the front end of the roving (2), made of the second material and provided with an adhesive strip (1b"), to be connected thereto, so that these lie one behind the other in the roving running direction
    (vi) application of an adhesive strip (3a), which extends over the adhesive strips (1a' and 1 b') at the roving ends located one behind the other, so that these are connected to one another
    (vii) feeding of the roving obtained by means of the connection of the ends of the first roving section (1') made of the first material (1) and of the roving (2) made of the second material with further feeding of the second roving material (2) in accordance with the desired length of the roving section (2') to be formed of the second material
    (viii) stopping of the feed and fixing of the roving (2) made of the second material when the position is reached, at which the roving section (2') to be formed of the second material should end and be connected to the second roving section (1") made of the first material and formed in step (iv)
    (ix) application of an adhesive strip (1b) at the position at which the roving section (2') to be formed of the second material should end and be connected to the second roving section (1 ") made of the first material and formed in step (iv)
    (x) cutting through of the roving (2) made of the second material in the centre of the adhesive strip (1b) applied in step (ix) so that a first roving section (2') in the roving running direction and a second roving section (2") in the roving running direction are obtained and the roving ends created during the cutting through in each case carry one half (1a', 1a") of the cut through adhesive strip (1b), wherein the roving ends created are then held individually
    (xi) positioning of the end of the first roving section (2'), made of the second material and carrying a half (1b') of the adhesive strip (1b) cut through in step (x), and the end of the second roving section (1"), made of the first material and carrying a half (1a") of the adhesive strip (1 a) cut through in step (iv), to be connected thereto, so that these lie one behind the other in the roving running direction
    (xii) application of an adhesive strip (3b), which extends over the adhesive strips (1a" and 1b") at the roving ends located one behind the other, so that these are connected to one another
    (xiii) feeding of the combined roving obtained by means of the connection of the ends of the first roving section (2') made of the second material and of the second roving section (1") made of the first material with further feeding of the first roving material (1) in accordance with step (i)
    wherein the width of the adhesive strips 1a, 1b, 3a, 3b is larger than the width of the rovings and the adhesive strips are placed onto the roving in such a manner that each adhesive strip on both sides of the roving has a protruding region of 2 to 5 mm width in each case.
  3. The method according to Claim 2, characterised in that the method runs continuously, so that after step (xiii), the step sequence (ii) to (xiii) runs again, and further sections (2') of limited length made of the second material are inserted into the roving (1) made of the first material.
  4. The method according to Claim 2 or 3, characterised in that after the connection of the roving ends in step (vi) or (xii), the laterally protruding regions of the adhesive strips are removed.
  5. The method according to Claim 1 or 4, characterised in that the rovings (1, 2) to be connected have a different width and at the connection point, the laterally protruding regions of the adhesive strips are removed in such a manner that in the region of the connection point, the width blends continuously from the width of the first to the width of the second roving.
  6. The method according to Claim 1 or 2, characterised in that the first roving material (1) is carbon fibre and the second roving material (2) is glass fibre,
  7. The method according to Claim 1 or 2, characterised in that the first roving material (1) is carbon fibre and the second roving material (2) is an elastic filamentary material.
  8. The method according to Claim 1 or 2, characterised in that adhesive strips are attached to the rovings on both sides in each case, that is to say on both surfaces.
  9. A device for the method according to Claim 2, 3 or 4, comprising the following elements arranged on a baseplate (11) in accordance with their interaction:
    • an inlet-side transport device with two interacting draw roller pairs (4a, 4b) for the feeding of the roving made of the first material (1)
    • an inlet-side transport device with two interacting draw roller pairs (4c, 4d) for the feeding of the roving made of the second material (2)
    • an outlet-side transport device with two interacting draw roller pairs (4e, 4f) for the further transport of the material leaving the device
    • a labelling device (5) for the application of adhesive strips (1a, 1b, 3a, 3b) on at least one surface of the roving (1, 2) or the roving ends to be connected to one another
    • a separating device (6) for cutting through the roving (1, 2) in the centre of the adhesive strip (1a, 1b) applied by the labelling device
    • a transport carriage (7) which can be moved transversely to the roving running direction and on which the labelling device (6) and the separating device (6) are fixed, so that these are located in opposite rest positions on different sides of the roving and the labelling device (5) or the separating device (6) can be brought into their working position engaging into the running path of the roving (1, 2) by moving the transport carriage (7)
    • an inlet-side clamping device (8') for the first roving material (1) between the second draw roller pair (4b) of the inlet-side transport device of the first roving material (1) and the position at which the labelling or the separating device acts on the roving
    • an inlet-side clamping device (8") for the second roving material (2) between the second draw roller pair (4d) of the inlet-side transport device of the second roving material (2) and the position at which the labelling or the separating device acts on the roving
    • an outlet-side clamping device (8"') between the position at which the labelling or the separating device acts on the roving and the first draw roller pair (4e) of the outlet side transport device
    • wherein the outlet-side clamping device (8"') interacts with the first inlet-side clamping device (8') in order to hold the first roving material during the application of adhesive strips (1a) and their cutting through, and interacts with the second inlet-side clamping device (8"), in order to hold the second roving material during the application of adhesive strips (1b) and their cutting through, whilst the respective other inlet-side clamping device holds the end of the other roving material and after the separation procedure, the end of the first section of the cut through roving in the roving running direction is held by means of the outlet-side clamping device (8"') and the end of the second roving section is held by means of the inlet-side clamping device (8' or 8") of the corresponding roving material
    • wherein the two inlet-side clamping devices (8', 8") are arranged with the associated draw roller pairs (4b, 4d) on a baseplate (9) which can be displaced perpendicularly to the roving running direction,
    and after each separation procedure, the clamping device (8' or 8") which is holding the end of the second section of the cut through roving in the roving running direction in addition to the associated draw roller pair (4b or 4d) is pushed out of the roving running path by means of perpendicular displacement of the baseplate (9) and at the same time the clamping device which is holding the end of the other roving material in addition to the associated draw roller pair is brought behind the end of the first section of the cut through roving material held in the outlet-side clamping device (8"'), so that the roving ends positioned one behind the other can be connected to one another by means of the application of an adhesive strip by the labelling device (5),
    • optionally, a device (10) for removing the protruding regions of the adhesive strips arranged between the outlet-side draw roller pairs (4e, 4f).
  10. The device according to Claim 9, characterised in that the labelling device (5) comprises a pair made of two symmetrically arranged labelling devices, between which the roving passes, so that it can be provided with one label in each case on both surfaces.
  11. Use of the method according to Claim 2 or the device according to Claim 9 for the production of a combined roving material in connection with a device for producing a textile fabric from the combined roving material, wherein the sections (2') made of the second roving material are inserted into the rovings (1) made of the first material at such positions and in such a length that in the fabric produced from the combined roving material, the first or second roving material in each case is located on a previously held region of the fabric.
EP07009222A 2007-05-08 2007-05-08 Method and device for connecting different roving materials Not-in-force EP1990303B1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
ES07009222T ES2356682T3 (en) 2007-05-08 2007-05-08 PROCEDURE AND DEVICE FOR THE CONNECTION OF DIFFERENT ROVING MATERIALS.
DE502007005669T DE502007005669D1 (en) 2007-05-08 2007-05-08 Method and device for connecting various roving materials
EP07009222A EP1990303B1 (en) 2007-05-08 2007-05-08 Method and device for connecting different roving materials
AT07009222T ATE488464T1 (en) 2007-05-08 2007-05-08 METHOD AND DEVICE FOR CONNECTING VARIOUS ROVING MATERIALS
PCT/EP2008/003658 WO2008135280A1 (en) 2007-05-08 2008-05-07 Method and device for connecting different roving materials

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP07009222A EP1990303B1 (en) 2007-05-08 2007-05-08 Method and device for connecting different roving materials

Publications (2)

Publication Number Publication Date
EP1990303A1 EP1990303A1 (en) 2008-11-12
EP1990303B1 true EP1990303B1 (en) 2010-11-17

Family

ID=38526391

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07009222A Not-in-force EP1990303B1 (en) 2007-05-08 2007-05-08 Method and device for connecting different roving materials

Country Status (5)

Country Link
EP (1) EP1990303B1 (en)
AT (1) ATE488464T1 (en)
DE (1) DE502007005669D1 (en)
ES (1) ES2356682T3 (en)
WO (1) WO2008135280A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011002840A1 (en) 2011-01-18 2012-07-19 Sgl Carbon Se Fiber-reinforced composite component and method for producing a fiber-reinforced composite component

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0043710A1 (en) * 1980-07-07 1982-01-13 Monsanto Company Method for splicing tows of filaments
DE3247162A1 (en) * 1982-12-21 1984-06-28 Ackermann-Göggingen AG, 8900 Augsburg Process and apparatus for the adhesive bonding of 2 yarn, thread or rope ends
DE10140488A1 (en) * 2001-08-17 2003-02-27 Falk-Hayo Sanders Junction of two yarn ends
JP3838354B2 (en) * 2002-03-13 2006-10-25 村田機械株式会社 Core yarn splicing method and seam, and automatic winder equipped with core yarn splicing device
DE102006013063A1 (en) * 2005-11-07 2007-05-16 Kuempers Gmbh & Co Kg Producing textile reinforcement for industrial products, involves cutting and forming components from textile sheet consisting of crossing groups of threads of more and less expensive materials

Also Published As

Publication number Publication date
ES2356682T3 (en) 2011-04-12
ATE488464T1 (en) 2010-12-15
WO2008135280A1 (en) 2008-11-13
DE502007005669D1 (en) 2010-12-30
EP1990303A1 (en) 2008-11-12

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