EP2112118A1 - Plastic fabric belt - Google Patents

Plastic fabric belt Download PDF

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Publication number
EP2112118A1
EP2112118A1 EP09005520A EP09005520A EP2112118A1 EP 2112118 A1 EP2112118 A1 EP 2112118A1 EP 09005520 A EP09005520 A EP 09005520A EP 09005520 A EP09005520 A EP 09005520A EP 2112118 A1 EP2112118 A1 EP 2112118A1
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EP
European Patent Office
Prior art keywords
belt
auxiliary
fabric
belt body
auxiliary belt
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP09005520A
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German (de)
French (fr)
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EP2112118B1 (en
Inventor
Gerhard Emberger
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.)
Carl Stahl GmbH
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Carl Stahl GmbH
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Publication of EP2112118A1 publication Critical patent/EP2112118A1/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
    • B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
    • B66C1/12—Slings comprising chains, wires, ropes, or bands; Nets
    • B66C1/18—Band-type slings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C15/00—Safety gear
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B1/00—Constructional features of ropes or cables
    • D07B1/14—Ropes or cables with incorporated auxiliary elements, e.g. for marking, extending throughout the length of the rope or cable
    • D07B1/145—Ropes or cables with incorporated auxiliary elements, e.g. for marking, extending throughout the length of the rope or cable comprising elements for indicating or detecting the rope or cable status
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B1/00—Constructional features of ropes or cables
    • D07B1/14—Ropes or cables with incorporated auxiliary elements, e.g. for marking, extending throughout the length of the rope or cable
    • D07B1/148—Ropes or cables with incorporated auxiliary elements, e.g. for marking, extending throughout the length of the rope or cable comprising marks or luminous elements

Definitions

  • the invention relates to a Kunststoffgewebturt, such as lashing for Gurtratschen, lifting strap, round sling or the like, with a flat, elongated belt body and the ruling in this tensile stress indicating voltage indicator, which is formed by the fact that the belt body and an auxiliary belt to form a Gurtbogens are connected to each other, that it is stretched straight at a load corresponding to a target voltage.
  • a Kunststoffgewebturt such as lashing for Gurtratschen, lifting strap, round sling or the like
  • Straps formed by a plastic flat fabric are increasingly used as a tensioning means, lifting means, lifting means od. Like. Used for manifold applications in lifting, transporting or moving goods or loads.
  • An advantage of such straps made of synthetic fibers compared to chains or ropes is their low weight, their high flexibility, od in particular when lashing goods on transport platforms. The like. Affordable, and the relatively good freedom from rotation.
  • Such Kunststoffgeweurturtte are made of technical yarns that consist of polyamide, polyester or polypropylene.
  • the invention has for its object to provide a Kunststoffgewebturt with an associated voltage indicator available, which is characterized both by a particularly simple design as well as the fact that he provides the operator under different conditions of use permanently and in particular reversibly a particularly eye-catching display, which is not based on the destruction of parts of the belt system.
  • this object is achieved by a plastic fabric strap having the features of claim 1 in its entirety.
  • the solution according to the invention is characterized in that the auxiliary belt is formed by at least one expansion element which shortens the belt body to form the belt arch.
  • the voltage buildup visually signaling reduction of the Gurtbogens therefore does not result from the lengths of the belt body, but by a length increase of the expansion element.
  • the invention makes it possible to indicate stress conditions which are below the load range at which the belt body itself undergoes significant elongation, which is true even when a tension condition is reached at which the safety margin of the system has already been affected or exceeded is.
  • the solution according to the invention allows a continuous tension display during the entire service life of the fabric belt, wherein the expansion element of the respective load situation can adapt to its length extension and when removing the load introduced in the fabric belt, the belt arch in turn returns to its shortened arcuate initial state.
  • the breaking elongation for the belt body is about a maximum of 7%, it may be 35% or more for the auxiliary belt forming the stretching member.
  • the belt body with its low elongation takes over the load, d. H. the auxiliary belt is not overloaded or destroyed even when the permissible higher operating force is reached, so that the function is maintained.
  • the invention is characterized by a particularly simple design also by the fact that the formation of the voltage indicator only an additional component is present, which, like the belt body is a textile component, which is directly connected to the belt body.
  • the auxiliary belt as well as the belt body is also a plastic tape fabric, wherein its expansion properties in thickness and / or type of fabric are chosen so that the auxiliary belt is stretched so far reaching the target tension that the belt arc is straight stretched ,
  • the auxiliary belt has, starting from both ends, a seam region in which it is sewn to the belt body and an expansion region therebetween, the length of each of the seam regions corresponding to at least a major portion of the length of the expansion region, for example approximately the same length as this one owns.
  • each seam portion of the auxiliary belt is connected by transverse seams with the belt body.
  • seam areas and the belt body in the seam areas preferably a plurality of over the width of the auxiliary belt distributed in the belt direction and / or obliquely to the belt direction of the transverse seams to the free ends of the seam area extending seams for connecting auxiliary belt and Belt body provided so that a pattern of seams is present within the surfaces of the seam areas.
  • the plastic belt fabric forming the auxiliary belt is a pre-stretched fabric.
  • the resulting strain characteristic is thereby influenced in the desired manner.
  • the belt body and auxiliary belt are different colors, the user auxiliary belt and belt body visually particularly easy and safe distinguishable, so that even under limited lighting conditions is certainly recognizable whether a belt arch is curved or straight.
  • the plastic fabric strap is provided as a lashing strap, as it can be used to secure, for example, transported goods in transport vehicles, for example on loading platforms.
  • a lashing of the load can be carried out in such a way that the belt is guided over the outsides of the load and fixed at fixed points, wherein the belt by means of a Gurtratsche acting on the belt body known type, see. for example DE 10 2005 031 735 B3 , manually tensioned.
  • a lashing the structure and the maintenance of a corresponding tensile stress are essential to the function.
  • the user When used as a lashing the user must therefore be displayed whether a corresponding nominal tension in the designated in the figures with 1 belt body prevails.
  • the invention provides an expansion element in the form of an auxiliary belt 3.
  • an auxiliary belt 3 This is, as is the case with the belt body 1, a textile component in the form of a flat plastic tape fabric of technical yarns, in particular high-strength multifilaments of polyamide, polyester or polypropylene.
  • the auxiliary belt 3 has three longitudinal sections, namely, starting from its outer ends 5 and 7, a seam region 9 or 11 and an expansion region 13 between the seam regions 9 and 11 forming the expansion element.
  • the seam regions 9 or 11 sewn on transverse seams 15 with the belt body 1, at which the seam areas 9,11 abut the entire surface.
  • the seam areas 9,11 At the adjacent to the expansion region 13 ends of the seam areas 9,11 these are also sewn on a transverse seam 17 with the belt body 1.
  • the lengths of the seam parts 9,11 and the expansion region 13 are substantially equal and slightly larger than the width of the belt body 1 and the same width auxiliary belt 3.
  • the auxiliary belt 3 forms a shortening of the flaccid belt body 1, so that a belt bow 21 is formed.
  • a tensile stress building up in the belt body 1 leads to an expansion of the auxiliary belt 3, its expansion properties are selected so that the expansion region 13 has stretched so far when reaching a desired target tension that the belt arc 21 is straight stretched, so the state of Fig.2 is reached where no belt arch 21 is present.
  • the length of the expansion region 13 and the attachment of the auxiliary belt 3 on the belt body 1, ie, the size of the belt shortening caused by the auxiliary belt 3, are selected so that no overstretching of the auxiliary belt 3 is given when the belt web 21 is stretched straight.
  • the auxiliary belt 3 can therefore contract again in the expansion region 13, so that, depending on the strength of a decrease in the tension in the belt body 1, again a belt 21 whose arc length increases with increasing falling below the target voltage form can.
  • the user can therefore not only visually recognize the achievement of the target voltage (state of Fig.2 ) As well as a decrease in the tension in the belt body 1, the extent of the stress relief on the formation of the belt 21 bow recognize.
  • the freight forwarder who routinely performs charge controls in the course of a freight transport, can therefore visually and easily detect a decrease in the tension of a cargo lashing and, if necessary, perform a tensioning by operating the belt ratchets to restore the set tension, recognizable by the disappearance of the belt arch 21.
  • the coloring of belt body 1 and auxiliary belt 3 may be different, so that the relative positions of auxiliary belt 3 and belt body 1 are easily observable even under limited visibility and lighting conditions.
  • the auxiliary belt 3 can be pre-stretched with the base body 1 prior to sewing, whereby a stable expansion behavior during use can be achieved.
  • Lashing straps which are guided over remote surface areas of a load, it may be advantageous if more than one voltage indicator is present within the course of a lashing so that, for example, from both sides of a loading platform forth the state of tension of a guided over the load lashing is recognizable ,
  • the voltage indicator can not only be used to signal the reaching or falling below a target voltage, but can also be provided as a safety device that signals when reaching the Kunststoffgewebturtes as a lifting device to achieve a safe maximum load that did not exceed shall be.
  • the auxiliary belt 3 is in one piece, d. H.
  • the expansion region 13 is formed by a middle Gurt consultancy the auxiliary belt 3 itself.
  • the expansion region 13 could also be formed by a separate, inserted within the total length of the auxiliary belt 3 belt or strand part.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Package Frames And Binding Bands (AREA)
  • Emergency Lowering Means (AREA)
  • Belt Conveyors (AREA)
  • Dental Preparations (AREA)
  • Materials For Medical Uses (AREA)

Abstract

The belt has a flat, longitudinally extending belt body (1) and voltage indicator (3) indicating voltage strength of body. The body and the auxiliary belt are connected with each other by formation of a belt bracket (21) such that the body and the belt are directly stretched with a corresponding load. The auxiliary belt is formed by an extendible element that shortens the body under formation of the belt bracket. The indicator is formed by a plastic textile strip. The indicator is made of polyethylene and the body is made of polyester.

Description

Die Erfindung betrifft einen Kunststoffgewebegurt, wie Zurrgurt für Gurtratschen, Hebeband, Rundschlinge oder dergleichen, mit einem flachen, längserstreckten Gurtkörper und einem die in diesem herrschende Zugspannung kenntlich machenden Spannungsanzeiger, der dadurch gebildet ist, dass der Gurtkörper und ein Hilfsgurt unter Bildung eines Gurtbogens derart miteinander verbunden sind, dass dieser bei einer einer Sollspannung entsprechenden Belastung gerade gestreckt wird.The invention relates to a Kunststoffgewebturt, such as lashing for Gurtratschen, lifting strap, round sling or the like, with a flat, elongated belt body and the ruling in this tensile stress indicating voltage indicator, which is formed by the fact that the belt body and an auxiliary belt to form a Gurtbogens are connected to each other, that it is stretched straight at a load corresponding to a target voltage.

Durch ein Kunststoff-Flachgewebe gebildete Gurte werden in zunehmendem Maße als Spannmittel, Hebemittel, Anschlagmittel od. dgl. für mannigfache Anwendungsfälle beim Heben, Transportieren oder Bewegen von Gütern oder Lasten eingesetzt. Ein Vorteil derartiger Gurte aus synthetischen Fasern gegenüber Ketten oder Seilen ist ihr geringes Gewicht, ihre hohe Flexibilität, die sich insbesondere beim Verzurren von Gütern auf Transportpritschen od. dgl. günstig auswirkt, sowie die verhältnismäßig gute Drehungsfreiheit. Solche Kunststoffgewebegurte sind aus technischen Garnen hergestellt, die aus Polyamid, Polyester oder Polypropylen bestehen.Straps formed by a plastic flat fabric are increasingly used as a tensioning means, lifting means, lifting means od. Like. Used for manifold applications in lifting, transporting or moving goods or loads. An advantage of such straps made of synthetic fibers compared to chains or ropes is their low weight, their high flexibility, od in particular when lashing goods on transport platforms. The like. Affordable, and the relatively good freedom from rotation. Such Kunststoffgeweurturtte are made of technical yarns that consist of polyamide, polyester or polypropylene.

Unter vielen Einsatzbedingungen wäre es vorteilhaft oder wünschenswert, wenn das betreffende Personal, das einen Gewebegurt als Hebemittel, Spannmittel od. dgl. benutzt, auch eine sichtbare Anzeige der im Gurt herrschenden Zugspannung zur Verfügung stehen hätte. Durch das US-Patent 3 466 080 ist ein Gurtsystem mit einem Gurtkörper und einem darauf befestigten Gurtbogen bekannt, die aus demselben Gurtmaterial bestehen und insoweit über dieselbe Bruchdehnung verfügen. Teilweise sind die Gurtenden des Gurtkörpers übereinandergelegt, wobei ein Gurtende dann den Gurtbogen ausbildet und das andere Gurtende läuft unter dem Gurtbogen hindurch, um dann auf der gegenüberliegenden Seite anliegend mit dem zugeordneten benachbarten Ende verbunden zu werden. Kommt es zu einer maximalen Überlast im Gurtkörper reißt dieser auf, was dem Bediener oder Betrachter durch den gestreckten Gurtbogen dann signalisiert wird; eine permanent wirkende Spannungsanzeige, die dem Bediener Rückschlüsse über den herrschenden Verzurrungsgrad des festzulegenden Gutes gibt, ist hierdurch nicht aufgezeigt.Under many conditions of use, it would be advantageous or desirable if the relevant personnel using a fabric strap as a lifting means, tensioning means. Like. Also, a visible indication of the prevailing in the belt Tension would have been available. By the U.S. Patent 3,466,080 is a belt system with a belt body and an attached belt arch known, which consist of the same belt material and so far have the same elongation at break. In part, the belt ends of the belt body are superimposed, with one belt end then forming the belt bow and the other belt end passing under the belt bow therethrough to then be connected on the opposite side adjacent to the associated adjacent end. If there is a maximum overload in the belt body tears open, which is then signaled to the operator or viewer through the elongated belt arch; a permanently acting voltage indicator, which gives the operator conclusions about the prevailing degree of lashing of the goods to be determined, is not shown hereby.

Der Erfindung liegt die Aufgabe zugrunde, einen Kunststoffgewebegurt mit einem zugehörigen Spannungsanzeiger zur Verfügung zu stellen, der sich sowohl durch eine besonders einfache Gestaltung als auch dadurch auszeichnet, dass er dem Bediener unter unterschiedlichen Einsatzbedingungen permanent und insbesondere reversibel eine besonders augenfällige Anzeige zur Verfügung stellt, die nicht auf einer Zerstörung von Teilen des Gurtsystems beruht.The invention has for its object to provide a Kunststoffgewebturt with an associated voltage indicator available, which is characterized both by a particularly simple design as well as the fact that he provides the operator under different conditions of use permanently and in particular reversibly a particularly eye-catching display, which is not based on the destruction of parts of the belt system.

Erfindungsgemäß ist diese Aufgabe durch einen Kunststoffgewebegurt gelöst, der die Merkmale des Patentanspruches 1 in seiner Gesamtheit aufweist.According to the invention, this object is achieved by a plastic fabric strap having the features of claim 1 in its entirety.

Die erfindungsgemäße Lösung ist dadurch charakterisiert, dass der Hilfsgurt durch zumindest ein Dehnelement gebildet ist, das den Gurtkörper zur Bildung des Gurtbogens verkürzt. Die den Spannungsaufbau visuell signalisierende Verkleinerung des Gurtbogens resultiert daher nicht durch das Längen des Gurtkörpers, sondern durch eine Längenzunahme des Dehnelementes. Mit anderen Worten gesagt, ermöglicht es die Erfindung, Spannungszustände anzuzeigen, die unterhalb des Lastbereiches liegen, bei denen der Gurtkörper selbst eine merkliche Dehnung erfährt, was auch dann gilt, wenn ein Spannungszustand erreicht ist, bei dem der Sicherheitsbereich des Systems bereits tangiert oder überschritten ist.The solution according to the invention is characterized in that the auxiliary belt is formed by at least one expansion element which shortens the belt body to form the belt arch. The voltage buildup visually signaling reduction of the Gurtbogens therefore does not result from the lengths of the belt body, but by a length increase of the expansion element. In other words, the invention makes it possible to indicate stress conditions which are below the load range at which the belt body itself undergoes significant elongation, which is true even when a tension condition is reached at which the safety margin of the system has already been affected or exceeded is.

Die erfindungsgemäße Lösung erlaubt eine fortlaufende Spannungsanzeige während der gesamten Lebensdauer des Gewebegurtes, wobei sich das Dehnelement der jeweiligen Lastsituation von seiner Längenausdehnung her anpassen kann und bei Wegnahme der im Gewebegurt eingeleiteten Last kehrt wiederum der Gurtbogen in seinen verkürzten bogenförmigen Ausgangszustand zurück.The solution according to the invention allows a continuous tension display during the entire service life of the fabric belt, wherein the expansion element of the respective load situation can adapt to its length extension and when removing the load introduced in the fabric belt, the belt arch in turn returns to its shortened arcuate initial state.

Bei der Erfindung kann, während die Bruchdehnung für den Gurtkörper etwa maximal bei 7% liegt, sie für den das Dehnelement bildenden Hilfsgurt 35% und mehr betragen. Bei Belastungszunahme über die Sollspannung übernimmt der Gurtkörper mit seiner geringen Dehnung die Belastung, d. h. der Hilfsgurt wird auch bei Erreichen der zulässigen höheren Betriebskraft nicht überlastet oder zerstört, so dass die Funktion erhalten bleibt.In the invention, while the breaking elongation for the belt body is about a maximum of 7%, it may be 35% or more for the auxiliary belt forming the stretching member. With load increase over the set tension the belt body with its low elongation takes over the load, d. H. the auxiliary belt is not overloaded or destroyed even when the permissible higher operating force is reached, so that the function is maintained.

Wenn bei Erreichen der maximalen Sollspannung, wenn der Gurtbogen geradegezogen ist, die Zugkraft im Gurtkörper durch diesen übernommen ist, sind keine zusätzlichen Verbindungen im Kraftfluß gegeben.If when reaching the maximum target tension, when the belt arc is straightened, the tensile force in the belt body is taken over by this, no additional connections are given in the power flow.

Die Erfindung zeichnet sich durch eine besonders einfache Bauweise auch dadurch aus, dass zur Bildung des Spannungsanzeigers lediglich ein zusätzliches Bauteil vorhanden ist, das ebenso wie der Gurtkörper ein textiles Bauteil ist, das mit dem Gurtkörper unmittelbar verbunden ist.The invention is characterized by a particularly simple design also by the fact that the formation of the voltage indicator only an additional component is present, which, like the belt body is a textile component, which is directly connected to the belt body.

Vorzugsweise handelt es sich bei dem Hilfsgurt wie bei dem Gurtkörper ebenfalls um ein Kunststoff-Bandgewebe, wobei dessen Dehnungseigenschaften hinsichtlich Dicke und/oder Art des Gewebes so gewählt sind, dass der Hilfsgurt bei Erreichen der Sollspannung so weit gedehnt ist, dass der Gurtbogen geradegestreckt ist.Preferably, the auxiliary belt as well as the belt body is also a plastic tape fabric, wherein its expansion properties in thickness and / or type of fabric are chosen so that the auxiliary belt is stretched so far reaching the target tension that the belt arc is straight stretched ,

Bei vorteilhaften Ausführungsbeispielen weist der Hilfsgurt von beiden Enden ausgehend einen Nahtbereich, in dem er mit dem Gurtkörper vernäht ist, und einen dazwischen befindlichen Dehnungsbereich auf, wobei die Länge jedes der Nahtbereiche zumindest einem Großteil der Länge des Dehnungsbereichs entspricht, beispielsweise annähernd die gleiche Länge als dieser besitzt. Die dementsprechend großflächige Aneinanderlage von Hilfsgurt und Gurtkörper gewährleistet nicht nur eine sichere Verankerung durch Vernähen, sondern vermeidet auch die Gefahr eines seitlichen Zusammenziehens (Einrollen), während Phasen, in denen der Hilfsgurt gedehnt wird und der aus dem formstabileren Gurtkörper gebildete Gurtbogen noch nicht geradegestreckt ist.In advantageous embodiments, the auxiliary belt has, starting from both ends, a seam region in which it is sewn to the belt body and an expansion region therebetween, the length of each of the seam regions corresponding to at least a major portion of the length of the expansion region, for example approximately the same length as this one owns. The correspondingly large juxtaposition of auxiliary belt and belt body not only ensures a secure anchorage by sewing, but also avoids the risk of lateral contraction (curling), while phases in which the auxiliary belt is stretched and the belt arch formed from the more dimensionally stable belt body is not straight straight ,

Vorzugsweise ist das an den Dehnungsbereich angrenzende Ende jedes Nahtbereiches des Hilfsgurtes durch Quernähte mit dem Gurtkörper verbunden.Preferably, the adjacent to the expansion region end of each seam portion of the auxiliary belt is connected by transverse seams with the belt body.

Bei der im wesentlichen großflächigen Aneinanderlage der Nahtbereiche und des Gurtkörpers sind in den Nahtbereichen vorzugsweise eine Mehrzahl von über die Breite des Hilfsgurtes verteilte in Gurtrichtung und/oder schräg zur Gurtrichtung von den Quernähten zu den freien Enden des Nahtbereiches hin verlaufende Nähte zur Verbindung von Hilfsgurt und Gurtkörper vorgesehen, so dass ein Muster von Nähten innerhalb der Flächen der Nahtbereiche vorhanden ist.In the substantially large juxtaposition of the seam areas and the belt body in the seam areas preferably a plurality of over the width of the auxiliary belt distributed in the belt direction and / or obliquely to the belt direction of the transverse seams to the free ends of the seam area extending seams for connecting auxiliary belt and Belt body provided so that a pattern of seams is present within the surfaces of the seam areas.

Um stabile Dehnungsverhältnisse im Gebrauch sicherzustellen, ist bei vorteilhaften Ausführungsbeispielen das den Hilfsgurt bildende Kunststoff-Bandgewebe ein vorgerecktes Gewebe. Die resultierende Dehnungskennlinie ist dadurch in gewünschter Weise beeinflußbar.In order to ensure stable expansion conditions in use, in advantageous embodiments, the plastic belt fabric forming the auxiliary belt is a pre-stretched fabric. The resulting strain characteristic is thereby influenced in the desired manner.

Wenn Gurtkörper und Hilfsgurt verschiedenfarbig sind, sind für den Benutzer Hilfsgurt und Gurtkörper visuell besonders leicht und sicher unterscheidbar, so dass auch unter eingeschränkten Beleuchtungsverhältnissen sicher erkennbar ist, ob ein Gurtbogen gewölbt oder geradegezogen ist.If the belt body and auxiliary belt are different colors, the user auxiliary belt and belt body visually particularly easy and safe distinguishable, so that even under limited lighting conditions is certainly recognizable whether a belt arch is curved or straight.

Nachstehend ist die Erfindung anhand der Zeichnung im einzelnen erläutert.The invention is explained in detail below with reference to the drawing.

Es zeigen:

Fig.1
eine abgebrochen gezeichnete perspektivische Schrägansicht lediglich eines Längenabschnittes eines Ausführungsbeispiels des erfindungsgemäßen Kunststoffgewebegurtes in Form eines Zurrgurtes, wobei dieser in dem Zustand ohne im Gurt herr- schende Zugspannung dargestellt ist, und
Fig.2
eine der Fig.1 entsprechende Ansicht, wobei der Gurt im Zu- stand herrschender Zugspannung dargestellt ist.
Show it:
Fig.1
a broken drawn oblique perspective view of only one longitudinal section of an embodiment of the Kunststoffgewebturtes invention in the form of a lashing belt, which is shown in the state without prevailing in the belt tension, and
Fig.2
one of the Fig.1 corresponding view, wherein the belt is shown in the state of prevailing tensile stress.

Nachstehend ist die Erfindung anhand eines Beispiels erläutert, bei dem der Kunststoffgewebegurt als Zurrgurt vorgesehen ist, wie er zur Sicherung beispielsweise von Transportgut bei Transportfahrzeugen, beispielsweise auf Ladepritschen, benutzbar ist. Bei einem derartigen Einsatz kann eine Verzurrung des Ladegutes in der Weise erfolgen, dass der Gurt über Außenseiten des Ladegutes geführt und an Fixpunkten endseitig festgelegt ist, wobei der Gurt mittels einer am Gurtkörper angreifenden Gurtratsche bekannter Art, vgl. beispielsweise DE 10 2005 031 735 B3 , manuell spannbar ist. Bei der Benutzung als Zurrgurt sind der Aufbau und das Aufrechterhalten einer entsprechenden Zugspannung funktionswesentlich. Bei Benutzung als Zurrgurt muß dem Benutzer daher angezeigt werden, ob eine entsprechende Sollspannung in dem in den Figuren mit 1 bezeichneten Gurtkörper herrscht. Zu diesem Zweck sieht die Erfindung ein Dehnelement in Form eines Hilfsgurtes 3 vor. Dieser ist, wie dies auch bei dem Gurtkörper 1 der Fall ist, ein textiles Bauteil in Form eines flachen Kunststoff-Bandgewebes aus technischen Garnen, insbesondere hochfesten Multifilamenten aus Polyamid, Polyester oder Polypropylen.The invention is explained below with reference to an example in which the plastic fabric strap is provided as a lashing strap, as it can be used to secure, for example, transported goods in transport vehicles, for example on loading platforms. In such an application, a lashing of the load can be carried out in such a way that the belt is guided over the outsides of the load and fixed at fixed points, wherein the belt by means of a Gurtratsche acting on the belt body known type, see. for example DE 10 2005 031 735 B3 , manually tensioned. When used as a lashing the structure and the maintenance of a corresponding tensile stress are essential to the function. When used as a lashing the user must therefore be displayed whether a corresponding nominal tension in the designated in the figures with 1 belt body prevails. For this purpose, the invention provides an expansion element in the form of an auxiliary belt 3. This is, as is the case with the belt body 1, a textile component in the form of a flat plastic tape fabric of technical yarns, in particular high-strength multifilaments of polyamide, polyester or polypropylene.

Der Hilfsgurt 3 weist drei Längenabschnitte auf, nämlich von seinen äußeren Enden 5 und 7 ausgehend, einen Nahtbereich 9 bzw. 11 und einen zwischen den Nahtbereichen 9 und 11 befindlichen, das Dehnelement bildenden Dehnungsbereich 13. An den Enden 5 und 7 sind die Nahtbereiche 9 bzw. 11 über Quernähte 15 mit dem Gurtkörper 1 vernäht, an dem die Nahtbereiche 9,11 vollflächig anliegen. An den an den Dehnungsbereich 13 angrenzenden Enden der Nahtbereiche 9,11 sind diese ebenfalls über eine Quernaht 17 mit dem Gurtkörper 1 vernäht. Innerhalb des Flächenbereiches der Nahtbereiche 9 und 11 befinden sich zur Gurtlängsrichtung längs- sowie schrägverlaufende Längsnähte 19, die ein über die Fläche verteiltes Nahtmuster bilden.The auxiliary belt 3 has three longitudinal sections, namely, starting from its outer ends 5 and 7, a seam region 9 or 11 and an expansion region 13 between the seam regions 9 and 11 forming the expansion element. At the ends 5 and 7, the seam regions 9 or 11 sewn on transverse seams 15 with the belt body 1, at which the seam areas 9,11 abut the entire surface. At the adjacent to the expansion region 13 ends of the seam areas 9,11 these are also sewn on a transverse seam 17 with the belt body 1. Within the surface area of the seam areas 9 and 11 there are longitudinally and obliquely extending longitudinal seams 19 for the belt longitudinal direction, which form a seam pattern distributed over the area.

Wie ersichtlich, sind beim gezeigten Beispiel die Längen der Nahtteile 9,11 und des Dehnungsbereiches 13 im wesentlichen gleich groß und etwas größer als die Breite des Gurtkörpers 1 und des gleich breiten Hilfsgurtes 3. Bei dem in Fig.1 gezeigten Zustand fehlender Zugspannung im Gurtkörper 1 bildet der Hilfsgurt 3 eine Verkürzung des schlaffen Gurtkörpers 1, so dass ein Gurtbogen 21 gebildet ist. Eine sich im Gurtkörper 1 aufbauende Zugspannung führt zu einer Dehnung des Hilfsgurtes 3, dessen Dehnungseigenschaften so gewählt sind, dass sich der Dehnungsbereich 13 bei Erreichen einer gewünschten Sollspannung so weit gedehnt hat, dass der Gurtbogen 21 geradegestreckt ist, also der Zustand von Fig.2 erreicht ist, wo kein Gurtbogen 21 vorhanden ist.As can be seen, in the example shown, the lengths of the seam parts 9,11 and the expansion region 13 are substantially equal and slightly larger than the width of the belt body 1 and the same width auxiliary belt 3. In the in Fig.1 shown state of lack of tension in the belt body 1, the auxiliary belt 3 forms a shortening of the flaccid belt body 1, so that a belt bow 21 is formed. A tensile stress building up in the belt body 1 leads to an expansion of the auxiliary belt 3, its expansion properties are selected so that the expansion region 13 has stretched so far when reaching a desired target tension that the belt arc 21 is straight stretched, so the state of Fig.2 is reached where no belt arch 21 is present.

Bei geradegezogenem Gurtbogen 21 übernimmt der Gurtkörper 1 die Gurtkraft, so dass keine weitere Dehnung des Hilfsgurtes 3 stattfindet. Die Länge des Dehnungsbereichs 13 und die Anbringung des Hilfsgurtes 3 am Gurtkörper 1, d.h. die Größe der vom Hilfsgurt 3 bewirkten Gurtverkürzung, sind so gewählt, dass bei gerade gestrecktem Gurtbogen 21 keine Überdehnung des Hilfsgurtes 3 gegeben ist. Bei Nachlassen der Zugspannung im Gurtkörper 1 kann sich der Hilfsgurt 3 daher im Dehnungsbereich 13 wieder zusammenziehen, so dass, je nach Stärke eines Absinkens der Zugspannung im Gurtkörper 1, sich wieder ein Gurtbogen 21, dessen Bogenlänge sich bei zunehmendem Unterschreiten der Sollspannung vergrößert, ausbilden kann. Der Benutzer kann daher nicht nur das Erreichen der Sollspannung visuell erkennen (Zustand von Fig.2) als auch bei einem Nachlassen der Spannung im Gurtkörper 1 das Ausmaß des Spannungsabbaues an der Ausbildung des Gurtbogens 21 erkennen.When straightened belt bow 21 of the belt body 1 takes over the belt force, so that no further expansion of the auxiliary belt 3 takes place. The length of the expansion region 13 and the attachment of the auxiliary belt 3 on the belt body 1, ie, the size of the belt shortening caused by the auxiliary belt 3, are selected so that no overstretching of the auxiliary belt 3 is given when the belt web 21 is stretched straight. Upon release of the tension in the belt body 1, the auxiliary belt 3 can therefore contract again in the expansion region 13, so that, depending on the strength of a decrease in the tension in the belt body 1, again a belt 21 whose arc length increases with increasing falling below the target voltage form can. The user can therefore not only visually recognize the achievement of the target voltage (state of Fig.2 ) As well as a decrease in the tension in the belt body 1, the extent of the stress relief on the formation of the belt 21 bow recognize.

Der Spediteur, der im Zuge eines Gütertransportes routinemäßig Ladungskontrollen vornimmt, kann daher visuell einfach und sicher ein Nachlassen der Spannung einer Ladegutverzurrung erkennen und gegebenenfalls durch Betätigen der Gurtratschen ein Nachspannen durchführen, um die Sollspannung, erkenntlich am Verschwinden des Gurtbogens 21, wieder herzustellen. Wie bereits bemerkt, kann die Färbung von Gurtkörper 1 und Hilfsgurt 3 unterschiedlich sein, so dass auch unter eingeschränkten Sicht- und Lichtverhältnissen die relativen Positionen von Hilfsgurt 3 und Gurtkörper 1 leicht beobachtbar sind. Wie ebenfalls bereits bemerkt, kann der Hilfsgurt 3 vor dem Vernähen mit dem Grundkörper 1 vorgereckt sein, wodurch ein stabiles Dehnungsverhalten bei der Benutzung erreichbar ist. Bei langgestreckten Zurrgurten, die über voneinander entfernte Oberflächenbereiche eines Ladegutes geführt sind, kann es von Vorteil sein, wenn mehr als ein Spannungsanzeiger innerhalb des Verlaufs eines Zurrgurtes vorhanden ist, so dass beispielsweise von beiden Seiten einer Ladepritsche her der Spannungszustand eines über das Ladegut geführten Zurrgurtes erkennbar ist.The freight forwarder, who routinely performs charge controls in the course of a freight transport, can therefore visually and easily detect a decrease in the tension of a cargo lashing and, if necessary, perform a tensioning by operating the belt ratchets to restore the set tension, recognizable by the disappearance of the belt arch 21. As already noted, the coloring of belt body 1 and auxiliary belt 3 may be different, so that the relative positions of auxiliary belt 3 and belt body 1 are easily observable even under limited visibility and lighting conditions. As also already noted, the auxiliary belt 3 can be pre-stretched with the base body 1 prior to sewing, whereby a stable expansion behavior during use can be achieved. At elongated Lashing straps, which are guided over remote surface areas of a load, it may be advantageous if more than one voltage indicator is present within the course of a lashing so that, for example, from both sides of a loading platform forth the state of tension of a guided over the load lashing is recognizable ,

Es versteht sich, dass der Spannungsanzeiger nicht nur dazu benutzt werden kann, um das Erreichen oder Unterschreiten einer Sollspannung zu signalisieren, sondern auch als Sicherheitseinrichtung vorgesehen sein kann, die bei einem Einsatz des Kunststoffgewebegurtes als Hebemittel das Erreichen einer sicheren Höchstlast signalisiert, die nicht überschritten werden soll.It is understood that the voltage indicator can not only be used to signal the reaching or falling below a target voltage, but can also be provided as a safety device that signals when reaching the Kunststoffgewebturtes as a lifting device to achieve a safe maximum load that did not exceed shall be.

Beim gezeigten Beispiel ist der Hilfsgurt 3 einteilig, d. h. der Dehnungsbereich 13 wird durch ein mittleres Gurtstück des Hilfsgurtes 3 selbst gebildet. Der Dehnungsbereich 13 könnte auch durch ein gesondertes, innerhalb der Gesamtlänge des Hilfsgurtes 3 eingesetztes Gurt- oder Strangteil gebildet sein.In the example shown, the auxiliary belt 3 is in one piece, d. H. the expansion region 13 is formed by a middle Gurtstück the auxiliary belt 3 itself. The expansion region 13 could also be formed by a separate, inserted within the total length of the auxiliary belt 3 belt or strand part.

Claims (13)

Kunststoffgewebegurt, wie Zurrgurt für Gurtratschen, Hebeband, Rundschlinge oder dergleichen, mit einem flachen, längserstreckten Gurtkörper (1) und einem die in diesem herrschende Zugspannung kenntlich machenden Spannungsanzeiger (3), der dadurch gebildet ist, dass der Gurtkörper (1) und ein Hilfsgurt (3) unter Bildung eines Gurtbogens (21) derart miteinander verbunden sind, dass dieser bei einer entsprechenden Belastung gerade gestreckt wird und dass der Hilfsgurt durch zumindest ein Dehnelement (3) gebildet ist, das den Gurtkörper (1) unter Bildung des Gurtbogens (21) verkürzt.Kunststoffgewebegurt, such as lashing strap for Gurtratschen, lifting strap, round sling or the like, with a flat, elongated belt body (1) and a tension in this ruling tensile stressing indicator (3), which is formed by the fact that the belt body (1) and an auxiliary belt (3) are joined together to form a belt arch (21) in such a way that it is stretched straight under a corresponding load and that the auxiliary belt is formed by at least one expansion element (3) forming the belt body (1) forming the belt arch (21 ) shortened. Kunststoffgewebegurt nach Anspruch 1, dadurch gekennzeichnet, dass für eine fortlaufende Spannungsanzeige während der gesamten Lebensdauer des Gewebegurtes, sich das Dehnelement (3) der jeweiligen Lastsituation von seiner Längsausdehnung her anpasst und bei Wegnahme der in den Gewebegurt eingeleiteten Last, der Gurtbogen (21) in seinen verkürzten bogenförmigen Ausgangszustand zurückkehrt.Kunststoffgewebturt according to claim 1, characterized in that for a continuous voltage display during the entire life of the fabric belt, the expansion element (3) of the respective load situation from its longitudinal extent here adapts and when removing the introduced into the fabric belt load, the belt arch (21) in returns its shortened arcuate initial state. Kunststoffgewebegurt nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass der Gurtbogen (21) vor Erreichen der zulässigen Belastung, die einer vorgebbaren Sollspannung entspricht, gerade gestreckt ist.Kunststoffgewebegurt according to claim 1 or 2, characterized in that the belt arc (21) is stretched straight before reaching the allowable load corresponding to a predetermined target voltage. Kunststoffgewebegurt nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass das Dehnelement (3) auch nach einer Vielzahl von Zugspannungswechseln im Gewebegurt versagensfrei mittels des Wölbungsgrades des Gurtbogens (21) einem Betrachter einen Rückschluss auf den Spannungszustand im Gewebegurt erlaubt.Kunststoffgewebegurt according to one of claims 1 to 3, characterized in that the expansion element (3) even after a plurality of Zugspannungswechseln in the fabric belt failure-free means of the degree of curvature of the Gurtbogens (21) allows a viewer to draw conclusions about the state of tension in the fabric belt. Kunststoffgewebegurt nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass der Hilfsgurt (3) eine wesentlich größere Dehnung aufweist, als der Gurtkörper (1).Synthetic fabric belt according to one of claims 1 to 4, characterized in that the auxiliary belt (3) has a substantially greater elongation than the belt body (1). Kunststoffgewebegurt nach Anspruch 5, dadurch gekennzeichnet, dass der Hilfsgurt (3) eine Bruchdehnung von etwa 35 bis 40 % aufweist und der Gurtkörper (1) von etwa 7%.Synthetic fabric belt according to claim 5, characterized in that the auxiliary belt (3) has an elongation at break of about 35 to 40% and the belt body (1) of about 7%. Kunststoffgewebegurt nach einem der Ansprüche 1 oder 6, dadurch gekennzeichnet, dass der Hilfsgurt (3) von beiden Enden (5 und 7) ausgehend einen Nahtbereich (9 bzw. 11), in dem er mit dem Gurtkörper (1) vernäht ist, und einen dazwischen befindlichen Dehnungsbereich (13) aufweist, und dass die Länge jedes der Nahtbereiche (9,11) zumindest einem Großteil der Länge des Dehnungsbereiches (13) entspricht, beispielsweise annähernd die gleiche Länge als dieser besitzt.Synthetic fabric belt according to one of claims 1 or 6, characterized in that the auxiliary belt (3) from both ends (5 and 7) starting a seam area (9 or 11) in which it is sewn to the belt body (1), and a intervening expansion region (13), and that the length of each of the seam regions (9,11) at least a major portion of the length of the expansion region (13) corresponds, for example, approximately the same length as this has. Kunststoffgewebegurt nach Anspruch 7, dadurch gekennzeichnet, dass das an den Dehnungsbereich (13) angrenzende Ende der Nahtbereiche (9,11) des Hilfsgurtes (3) durch Quernähte (17) mit dem Gurtkörper (1) verbunden ist.Synthetic fabric belt according to claim 7, characterized in that the end of the seam areas (9, 11) of the auxiliary belt (3) adjoining the expansion area (13) is connected to the belt body (1) by transverse seams (17). Kunststoffgewebegurt nach Anspruch 8, dadurch gekennzeichnet, dass in den Nahtbereichen (9,11) eine Mehrzahl von über die Breite des Hilfsgurtes (3) verteilte, in Gurtrichtung und/oder schräg zur Gurtrichtung von den Quernähten (17) zu den freien Enden (5,7) des Nahtbereiches (9 bzw. 11) hin verlaufende Nähte (19) zur Verbindung von Hilfsgurt (3) und Gurtkörper (1) vorgesehen sind.Kunststoffgewebturt according to claim 8, characterized in that in the seam areas (9,11) distributed over the width of the auxiliary belt (3), in the belt direction and / or obliquely to the belt direction of the transverse seams (17) to the free ends (5 , 7) of the seam area (9 or 11) extending seams (19) for connecting auxiliary belt (3) and belt body (1) are provided. Kunststoffgewebegurt nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, dass der Hilfsgurt (3) durch ein Kunststoff-Bandgewebe gebildet ist.Plastic fabric belt according to one of claims 1 to 9, characterized in that the auxiliary belt (3) is formed by a plastic tape fabric. Kunststoffgewebegurt nach einem der Ansprüche 2 bis 10, dadurch gekennzeichnet, dass das den Hilfsgurt (3) bildende Kunststoff-Bandgewebe vorgereckt ist.Plastic fabric belt according to one of claims 2 to 10, characterized in that the auxiliary belt (3) forming plastic tape fabric is vorgereckt. Kunststoffgewebegurt nach einem der Ansprüche 2 bis 10, dadurch gekennzeichnet, dass der Hilfsgurt (3) aus Polyethylen besteht und der Gurtkörper (1) aus Polyester.Synthetic fabric belt according to one of claims 2 to 10, characterized in that the auxiliary belt (3) consists of polyethylene and the belt body (1) made of polyester. Kunststoffgewebegurt nach einem der Ansprüche 1 bis 12, dadurch gekennzeichnet, dass der Gurtkörper (1) und der Hilfsgurt (3) verschiedenfarbig sind, für eine verbesserte Erkennbarkeit des eingeleiteten Spannungszustandes in den Gewebegurt seitens eines Betrachters.Plastic fabric belt according to one of claims 1 to 12, characterized in that the belt body (1) and the auxiliary belt (3) are different colors, for improved visibility of the introduced state of tension in the fabric belt by a viewer.
EP09005520A 2008-04-21 2009-04-20 Plastic fabric belt Not-in-force EP2112118B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102008019911A DE102008019911A1 (en) 2008-04-21 2008-04-21 Kunststoffgewebegurt

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EP2112118A1 true EP2112118A1 (en) 2009-10-28
EP2112118B1 EP2112118B1 (en) 2011-04-20

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EP09005520A Not-in-force EP2112118B1 (en) 2008-04-21 2009-04-20 Plastic fabric belt

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EP (1) EP2112118B1 (en)
AT (1) ATE506314T1 (en)
DE (2) DE102008019911A1 (en)
DK (1) DK2112118T3 (en)
ES (1) ES2362073T3 (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3463534A (en) * 1967-10-05 1969-08-26 Wear Flex Corp Load lifting sling with built-in load indicator
US3466080A (en) 1967-10-05 1969-09-09 Wear Flex Corp Fabric load lifting sling and similar flexible tension member having increased ability to withstand shock loads
DE9003430U1 (en) * 1990-03-23 1990-05-31 Fabritz, Gerhard, 4150 Krefeld Crown and branch protection for trees
EP1634844A1 (en) * 2004-09-14 2006-03-15 Friedrich Drayer Belt
DE102005031735B3 (en) 2005-07-05 2007-05-10 Spanset Inter Ag Clamping ratchet for clamping and holding clamping devices

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2260301C3 (en) * 1972-12-06 1981-06-11 RUD-Kettenfabrik Rieger & Dietz GmbH und Co, 7080 Aalen Arrangement for overload control of lashing and / or sling chains
DE9419935U1 (en) * 1993-12-13 1995-03-09 Spanset Inter Ag, Oetwil Am See Lifting strap or lashing strap
DE19724227A1 (en) 1997-06-03 1998-12-10 Spanset Inter Ag Load indicator for cables of lashing strap or lifting sling
DE202005013036U1 (en) * 2005-08-18 2005-10-27 Westdeutscher Drahtseil-Verkauf Dolezych Gmbh & Co. Load securing straps for transported goods incorporate two different colours of longitudinal fibres

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3463534A (en) * 1967-10-05 1969-08-26 Wear Flex Corp Load lifting sling with built-in load indicator
US3466080A (en) 1967-10-05 1969-09-09 Wear Flex Corp Fabric load lifting sling and similar flexible tension member having increased ability to withstand shock loads
DE9003430U1 (en) * 1990-03-23 1990-05-31 Fabritz, Gerhard, 4150 Krefeld Crown and branch protection for trees
EP1634844A1 (en) * 2004-09-14 2006-03-15 Friedrich Drayer Belt
DE102005031735B3 (en) 2005-07-05 2007-05-10 Spanset Inter Ag Clamping ratchet for clamping and holding clamping devices

Also Published As

Publication number Publication date
ES2362073T3 (en) 2011-06-28
EP2112118B1 (en) 2011-04-20
ATE506314T1 (en) 2011-05-15
DE502009000555D1 (en) 2011-06-01
DK2112118T3 (en) 2011-08-01
DE102008019911A1 (en) 2009-12-10

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