EP0914531B1 - Device for assembling prefabricated concrete parts - Google Patents

Device for assembling prefabricated concrete parts Download PDF

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Publication number
EP0914531B1
EP0914531B1 EP97941886A EP97941886A EP0914531B1 EP 0914531 B1 EP0914531 B1 EP 0914531B1 EP 97941886 A EP97941886 A EP 97941886A EP 97941886 A EP97941886 A EP 97941886A EP 0914531 B1 EP0914531 B1 EP 0914531B1
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EP
European Patent Office
Prior art keywords
box
rope loop
opening
precast concrete
rope
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.)
Expired - Lifetime
Application number
EP97941886A
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German (de)
French (fr)
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EP0914531A1 (en
Inventor
Matthias Kintscher
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.)
Pfeifer Seil- und Hebetechnik & Co GmbH
Original Assignee
Pfeifer Seil- und Hebetechnik & Co GmbH
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/14—Conveying or assembling building elements
    • E04G21/142—Means in or on the elements for connecting same to handling apparatus
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
    • B28B23/005—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects with anchoring or fastening elements for the shaped articles
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F8/00—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic
    • E01F8/0005—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic used in a wall type arrangement
    • E01F8/0023—Details, e.g. foundations
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/38—Connections for building structures in general
    • E04B1/41—Connecting devices specially adapted for embedding in concrete or masonry
    • E04B1/4114—Elements with sockets
    • E04B1/415—Elements with sockets with captive and extendable anchoring parts, e.g. spring-loaded bolts, hanging rings
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/12—Mounting of reinforcing inserts; Prestressing
    • E04G21/125—Reinforcement continuity box
    • E04G21/126—Reinforcement continuity box for cable loops
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00—Joints and connections
    • Y10T403/54—Flexible member is joint component

Definitions

  • the invention relates to a device for connecting prefabricated concrete parts, consisting of at least one rope loop, the is anchored at one end in the precast concrete and their other, loop-like end with one in the end face of the Precast concrete used interacts to the Rope loop during the manufacture of the precast concrete part bend elastically at a right angle and release it for the bond.
  • a device of the type indicated above is for example made known by DE-A-16 84 254.
  • the other part is in the holding part fixed and can be erected to produce the position of use become.
  • the rope loop is fixed in the holding part thereby by a nose-shaped approach in the middle plane of the Holding part.
  • Similar devices are in EP-A-0 534 475 and described in DE-A-4 131 956.
  • Devices of the type in question are about one Arrangement to be made such that during the manufacture of the Precast concrete and the rope loop during transport or a similar element does not have the outer dimensions of the Precast concrete protrudes to rule out that the rope loop or the like hinders transportation or stacking is.
  • EP-A-0 534 475 another device for the in Described purpose described.
  • the rope loop without mechanical Strain on the insert elastically deforming and at least fixed essentially at right angles.
  • the invention has for its object a device to further develop the genus described at the beginning, that it is easy and inexpensive to manufacture, with the Process no interference should occur and where the Rope loop in the connecting position with simple means can be brought.
  • the invention is based on the device of the genus specified at the beginning and suggests that the holding part as an elongated, in cross section essentially uniform, U-shaped box is formed, the im essentially flat box bottom, which is parallel to the end face of the precast concrete, an opening for the rope loop has, with means in the area of the opening, essentially the part of the rope loop to be anchored hold at right angles to the length of the box, with elongated in the edge area of the legs of the U's Holding elements that hold the bent rope loop in the box hold, but disengage the rope loop from the stop position allow.
  • the invention achieved by a simple component, namely the essentially U-shaped box, an arrangement that is easy in the formwork for the production of the precast concrete part can be arranged.
  • the dimensions, especially at right angles to End face of the precast concrete are small, so that in the Usually there is no fear of collision with other reinforcement parts is.
  • the box is sufficiently stable to withstand the bending forces to record. There are none for the disengagement process special tools necessary.
  • the opening provided by the invention in the box bottom is generally bounded on all sides by the bottom of the box.
  • the breakthrough can also be provided in the edge area, so that it is open towards one end of the box.
  • a sealant the gap between the rope loop and opening closes.
  • a plastic sealant for example, is used existing molding proposed, which as below still described, held by the box. It is also possible between the inserted rope loop and the box a glue, for example one Apply drops of glue, synthetic resin or the like on the one hand, a mechanical fixation of the rope loop in terms of the box and the remaining one at the same time Closes the gap in such a way that no concrete penetrates. In the same way, it is also possible that foaming is used.
  • the sealants are used here, for example also chosen so that they do not absorb any bending forces means when bending the rope loop, especially if the rope loop is inserted in the box, no bending forces pick up or support the bend. This can lead to Example by appropriate arrangement of the molded part in or can be reached at the storage box. The use of glue or foaming agent only closes the remaining one Split, but these funds do not take over Abutment functions with regard to the bending forces that occur.
  • the molded part is designed so that it closes the gap between the rope loop and the opening.
  • the molding thereby prevents that when concreting Concrete penetrates inside the box, causing the later Erection of the rope loop could be hindered.
  • the molded part can have different designs. It can For example, have a flange that abuts the bottom of the box. In this or in other embodiments provided that the molding and the opening of the Rotational symmetry deviate to the inserted part to fix a rotary movement in the opening. If both Parts, i.e. the molded part and the opening, for example are oval, the molded part can be easily inserted. A breakthrough results in a secure connection especially through the use of flanges or similar means.
  • the molded part can, for example, be made of a hard, not very deformable Material, especially plastic, exist. Better however, if a material is used, it is elastic Has properties so that it snaps into the opening.
  • the molded part inserted parallel to the longitudinal extent of the box bottom.
  • the molded part can then, if desired, also with interact with the side walls of the box.
  • the agent that the anchoring rope loop part essentially perpendicular to The box extends longitudinally, in one piece as a turn connected to the box.
  • Such a configuration achieved a very simple manufacture of the box in which the bending absorbing the bending forces already in one piece is integrated.
  • Such an embodiment can, for example can be achieved by an appropriate punching process.
  • the box bottom inside and / or outside a holding means has that the molded part in the area of the opening holds.
  • the molded part only has the function of the calculation, which serves as a turn, for example, as far as again to close that in the remaining gap between opening and carried out rope rope no concrete in the Box can shrink.
  • the holding means become Example also at the same time as making the turn or breakthrough generated. This can be the case with Manufacturing process done by an appropriate punch. For example, an upright is used as a holding device Tab of the box bottom used. In the manufacture of the Box, for example made of plastic, will be a corresponding one Design of the box using an appropriate injection mold reached.
  • the holding means can both Storage box, as well as on the underside of the storage box against the precast concrete. On Both places, it is possible to use an appropriate sealant to attach and fix this with the holding means.
  • the holding elements are preferably by at the edge of the Legs of the U's formed inward ledges. This Lasts can be obtained, for example, by bending become.
  • the strips preferably extend over the full length of the box, creating a substantial stiffening of the box is obtained, although the effect as holding elements only necessary in a narrow area for the rope loop would. Therefore, there are also individual holding elements in the Box interior possible to hold back the rope.
  • the width of the strips should be equal to or greater than that Half the diameter of the wire rope of the rope loop. On this way, a secure hold for the inserted rope loop receive. However, there is still enough space between the slats to the rope loop after moving the precast concrete to be able to erect.
  • the box is provided with end covers, for example are obtained by bending. Such training is particularly recommended if the box is made of sheet metal is made. In this way, a one-piece Construction are obtained with a high degree of rigidity low manufacturing costs. It is also possible to use one To provide an example of plastic end cover that is put on the end of the box.
  • the box has a removable cover the formwork side. This way there is only one low risk of concrete entering the box when concreting.
  • the cover which can be a film, for example, does not interfere with the raising of the rope loop. It can too can be easily removed. Especially the use of self-adhesive Foils or tapes have an optimal effect minimal effort.
  • double-sided adhesive The box can also be foiled on smooth formwork surfaces , such as made of steel or plastic, simply attach.
  • the device according to the invention for connecting prefabricated concrete parts becomes like this in the edge area of a precast concrete element used that the surface 17 of the box 1 in about The plane lies with the outer surface 18 of the precast concrete element 19.
  • the box 1 shown in the drawings is made of sheet metal, for example made of galvanized sheet metal. Box 1 can but also consist of plastic.
  • the box bottom 2 forms the Web of a U, while the side walls 16, the legs 11 of the Form U's. Both the bottom and the side walls have means 14 to improve the anchoring in the precast concrete element 19, with ribs 20 in the bottom and embossments in the side walls 21 are provided.
  • an opening 4 is provided in the box bottom 2, those in the exemplary embodiments shown, for example is formed by a punch.
  • the breakthrough can be circular. But it can also have a different shape have.
  • a molded part 8 used for example is made of plastic.
  • the molded part 8 has a recess 22, so that the molded part is threaded onto the rope loop 5 can be.
  • This rope loop is made by a piece of wire rope formed, the ends of which are pressed on by a clamping sleeve 23 are interconnected.
  • the clamping sleeve 23 is after the Processing equal to or larger than the recess 22 in the molded part 8 and smaller than the opening 4.
  • the loop part 24 can be inserted into the box 1 become.
  • the loop part becomes in the inserted position 24 held by strip-shaped holding elements 7 by bending are formed on the upper edge 10 of the legs 11.
  • the Width of the strips 7 should be large enough to Hold the loop part securely. For example reached when the width of the strips is at least half of the Corresponds to the strength of the wire rope.
  • the molded part 8 or 81 of the embodiment of FIGS. 1 to 3 is made of elastic material. But it is also the use of a non or little elastic material possible if the dimensions are taken in such a way that the rope loop can be threaded. It is also possible to go ahead the pressing of the sleeve 23, the molded part 8 or 81 on the Slip the wire rope ends, leaving the gaps between the wire rope and the molded part 8 are kept very small can.
  • the molded part 8 is also intended to seal the Make sure inside the box 1.
  • the ends of the box are provided with end covers 13 which can be obtained by bends. Even subsequent locking elements like plastic plugs are possible.
  • the strip-like holding elements 7 also allow the application a tear-off cover, for example made of film, what also contributes to the fact that there is no concrete inside the box penetrates.
  • the film is torn open before the erection process.
  • FIGS. 4 to 6 differs from that of FIGS. 1 to 3 essentially in that the Molding 83 used there and the associated opening 43 has a different configuration.
  • the molded part 83 is slider-like designed and has a tongue part 25 which by Incisions 26 is elastically deformable. On the rib 27 can the molding can be moved.
  • the molded part 83 is between the inserted two strands of rope loop 5, whereby these are recorded.
  • the opening 43 is preferred designed like a slot and allows the loop part 24 from the bottom of the box into the opening.
  • the opening has been obtained by means of a bend 9, which forms a system for the rope loop 5, so that the desired bent position (see Fig. 4) results.
  • the box bottom 2 furthermore has holding means 90 which serve the purpose To hold shaped part 83 at the opening such that the remaining gap between the rope loop 6 and the opening is closed.
  • the holding means 90 and the bend 9 and thus automatically the opening 4 are conveniently in a manufacturing step to Example of a punching process generated simultaneously. This will a simple and inexpensive manufacture of the invention Object reached. It is as in Fig. 4 shown, possible to arrange the holding means 90 in the storage box. However, it is also possible to hold the holding means 90 on the To arrange the underside, as the turn 9 is directed downwards, to attach a corresponding molded part to it.
  • the molded part is e.g. forked to a to allow easy threading on the rope loop. How shown, the molded part is from the right against the opening 4 out and is thus at the angle of the angled Rope loop. It is also possible to use molded parts Openings for the rope ends and / or the molded part from the left (Fig. 4) to lead against the rope loop.
  • the molding is 82 and the opening 42 designed such that the Introducing the molded part 42 with the rope loop 5 in one Position is possible, which is rotated by about 90 ° to the end position in the assembled state, which is shown in the drawing is.
  • the molded part 82 and the Opening 42 from the rotational symmetry, as is clear 9 shows.
  • the flange 15 is kept sufficiently large and through another flange 30 on the other side of the box bottom added so that after the rotary movement the opening is securely locked.
  • the molded part 82 also has an extension 31 which is to be concreted Rope loop part 6 in the desired position holds.
  • the actuating forces for the elastic deformation of the rope loop are taken up by the sheet metal part.
  • the invention relates not only to the one presented at the beginning Device, but also on a method of manufacture such a device.
  • the method presented represents an inexpensive way to the described Device to produce.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Sustainable Development (AREA)
  • Manufacturing & Machinery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Joining Of Building Structures In Genera (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
  • Connection Or Junction Boxes (AREA)
  • Electric Cable Installation (AREA)
  • Conveying And Assembling Of Building Elements In Situ (AREA)
  • Moulds, Cores, Or Mandrels (AREA)

Abstract

PCT No. PCT/EP97/03870 Sec. 371 Date Jan. 20, 1999 Sec. 102(e) Date Jan. 20, 1999 PCT Filed Jul. 18, 1997 PCT Pub. No. WO98/03751 PCT Pub. Date Jan. 29, 1998A device for assembling prefabricated concrete parts has a cable loop anchored at one end to the prefabricated concrete part. The other loop-like end cooperates with a retaining means provided at the front face of the prefabricated concrete part to elastically bend the cable loop approximately at right angle during the fabrication of the prefabricated concrete part, and to release it for assembling. An elongated, U-shaped box (1) having a substantially uniform cross-section is provided as retaining means. The bottom (2) of the box has one or several passages (4) for the cable loop (5) and means arranged in the area of the passages (4) to retain the cable loop (5) perpendicularly to the longitudinal extension of the box (1).

Description

Die Erfindung betrifft eine Vorrichtung zum Verbund von Betonfertigteilen, bestehend aus mindestens einer Seilschlaufe, die mit dem einen Ende im Betonfertigteil verankert ist und deren anderes, schlaufenartiges Ende mit einem in die Stirnfläche des Betonfertigteiles eingesetzten Halteteil zusammenwirkt, um die Seilschlaufe während der Herstellung des Betonfertigteiles etwa rechtwinklig elastisch abzubiegen und für den Verbund freizugeben.The invention relates to a device for connecting prefabricated concrete parts, consisting of at least one rope loop, the is anchored at one end in the precast concrete and their other, loop-like end with one in the end face of the Precast concrete used interacts to the Rope loop during the manufacture of the precast concrete part bend elastically at a right angle and release it for the bond.

Eine Vorrichtung der vorstehend angegebenen Gattung ist beispielsweise bekannt geworden durch die DE-A-16 84 254. Dabei wird die Seilschlaufe oder dergleichen durch ein Halteteil derart abgebogen, daß der eine Teil der Seilschlaufe im Betonfertigteil verankert wird. Der andere Teil ist im Halteteil fixiert und kann zur Herstellung der Gebrauchslage aufgerichtet werden. Die Fixierung der Seilschlaufe im Halteteil erfolgt dabei durch einen nasenförmigen Ansatz in der Mittelebene des Halteteiles. Ähnliche Vorrichtungen sind in der EP-A-0 534 475 und in der DE-A-4 131 956 beschrieben.A device of the type indicated above is for example made known by DE-A-16 84 254. Thereby is the rope loop or the like by a holding part bent that part of the rope loop in the precast concrete is anchored. The other part is in the holding part fixed and can be erected to produce the position of use become. The rope loop is fixed in the holding part thereby by a nose-shaped approach in the middle plane of the Holding part. Similar devices are in EP-A-0 534 475 and described in DE-A-4 131 956.

Bei Vorrichtungen der in Rede stehenden Art geht es darum, eine Anordnung zu treffen, derart, daß während der Herstellung des Betonfertigteiles und während des Transportes die Seilschlaufe oder ein ähnliches Element nicht über die Außenabmessungen des Betonfertigteiles hervorsteht, um auszuschließen, daß die Seilschlaufe oder dergleichen beim Transport oder Stapeln hinderlich ist. Nach dem Versetzen der Betonfertigteile soll jedoch schnell eine Möglichkeit geschaffen werden, benachbarte Betonfertigteile mit der Stirnfläche zu verbinden. Dies geschieht durch die freigegebene Seilschlaufe, die mit Bewehrungsmitteln zusammenwirken kann, die dann durch eingefüllten Beton abgedeckt werden.Devices of the type in question are about one Arrangement to be made such that during the manufacture of the Precast concrete and the rope loop during transport or a similar element does not have the outer dimensions of the Precast concrete protrudes to rule out that the rope loop or the like hinders transportation or stacking is. However, after moving the precast concrete parts a quick way to create neighboring precast concrete parts to connect with the face. this happens through the released rope loop, with reinforcement can interact, which is then covered by poured concrete become.

In der EP-A-0 534 475 ist eine andere Vorrichtung für den in Rede stehenden Zweck beschrieben. Dabei ist im Einlegeteil ein Halteblock angeordnet, der die Seilschlaufe ohne mechanische Beanspruchung des Einlegeteiles elastisch verformend und zumindest im wesentlichen rechtwinklig einspannend fixiert.In EP-A-0 534 475 another device for the in Described purpose described. There is a in the insert Holding block arranged, the rope loop without mechanical Strain on the insert elastically deforming and at least fixed essentially at right angles.

Der Erfindung liegt die Aufgabe zugrunde, eine Vorrichtung der eingangs beschriebenen Gattung dahingehend weiter zu entwickeln, daß sie einfach und billig herstellbar ist, wobei beim Verarbeiten keine Störungen auftreten sollen und wobei die Seilschlaufe mit einfachen Mitteln in die Verbindungsstellung gebracht werden kann.The invention has for its object a device to further develop the genus described at the beginning, that it is easy and inexpensive to manufacture, with the Process no interference should occur and where the Rope loop in the connecting position with simple means can be brought.

Zur Lösung dieser Aufgabe geht die Erfindung aus von der Vorrichtung der eingangs angegebenen Gattung und schlägt vor, daß das Halteteil als länglicher, im Querschnitt im wesentlichen gleichförmiger, U-förmiger Kasten ausgebildet ist, wobei der im wesentlichen ebene Kastenboden, der sich parallel zur Stirnfläche des Betonfertigteiles erstreckt, eine Durchbrechung für die Seilschlaufe aufweist, mit Mitteln im Bereich der Durchbrechung, die den zu verankernden Seilschlaufenteil im wesentlichen rechtwinklig zur Längserstreckung des Kastens halten, mit im Randbereich der Schenkel des U's sich längserstreckenden Halteelementen, die die abgebogene Seilschlaufe im Kasten halten, jedoch ein Ausrasten der Seilschlaufe aus der Haltestellung zulassen.To achieve this object, the invention is based on the device of the genus specified at the beginning and suggests that the holding part as an elongated, in cross section essentially uniform, U-shaped box is formed, the im essentially flat box bottom, which is parallel to the end face of the precast concrete, an opening for the rope loop has, with means in the area of the opening, essentially the part of the rope loop to be anchored hold at right angles to the length of the box, with elongated in the edge area of the legs of the U's Holding elements that hold the bent rope loop in the box hold, but disengage the rope loop from the stop position allow.

Die Erfindung erreicht durch ein einfaches Bauteil, nämlich den im wesentlichen U-förmigen Kasten, eine Anordnung, die sich leicht in den Schalungen zur Herstellung des Betonfertigteiles anordnen läßt. Die Abmessungen, insbesondere rechtwinklig zur Stirnfläche des Betonfertigteiles, sind gering, so daß in der Regel keine Kollision mit anderen Armierungsteilen zu befürchten ist. Der Kasten ist ausreichend stabil, um die Abbiegungskräfte aufzunehmen. Für den Ausrastvorgang sind keine besonderen Werkzeuge notwendig.The invention achieved by a simple component, namely the essentially U-shaped box, an arrangement that is easy in the formwork for the production of the precast concrete part can be arranged. The dimensions, especially at right angles to End face of the precast concrete are small, so that in the Usually there is no fear of collision with other reinforcement parts is. The box is sufficiently stable to withstand the bending forces to record. There are none for the disengagement process special tools necessary.

Die Durchbrechung, die die Erfindung im Kastenboden vorsieht, ist in der Regel allseits vom Kastenboden begrenzt. Die Durchbrechung kann aber auch im Randbereich vorgesehen werden, so daß sie zu einem Ende des Kastens hin offen ist.The opening provided by the invention in the box bottom is generally bounded on all sides by the bottom of the box. The breakthrough can also be provided in the edge area, so that it is open towards one end of the box.

Günstig ist es, wenn eine Abbiegung an der Durchbrechung vorgesehen ist, die auf den zu verankernden Seilschlaufenteil einwirkt. So kann einfach ein Lappen aus der Durchbrechung gegen das Betonfertigteil ausgebogen sein, der dann eine Anlage für den zu verankernden Seilschlaufenteil bildet.It is expedient if a bend is provided on the opening which acts on the part of the rope loop to be anchored. So you can simply use a rag from the opening the precast concrete be bent out, which is then a system for forms the part of the rope loop to be anchored.

In einer bevorzugten Ausgestaltung der Erfindung ist vorgesehen, daß ein Abdichtmittel den Spalt zwischen Seilschlaufe und Durchbrechung verschließt. Durch eine solche Ausgestaltung wird erreicht, daß bei dem Ausgießen der vorbereiteten Schalungsform kein Beton in den Kasten einläuft und den Kasten bzw. die Schlaufe somit unbrauchbar macht.In a preferred embodiment of the invention provided that a sealant the gap between the rope loop and opening closes. By such Design is achieved in that the prepared pouring Formwork form no concrete runs into the box and makes the box or the loop unusable.

In einer bevorzugten Ausgestaltung der Erfindung werden verschiedene Möglichkeiten für ein entsprechendes Abdichtmittel vorgesehen. Als Abdichtmittel wird zum Beispiel ein aus Kunststoff bestehendes Formteil vorgeschlagen, welches wie nachfolgend noch beschrieben, von dem Kasten gehalten wird. Es ist aber auch möglich, zwischen der durchgesteckten Seilschlaufe und dem Kasten eine Verklebung, zum Beispiel einen Tropfen Klebstoff, Kunstharz oder dergleichen aufzubringen, der zum einen auch eine mechanische Fixierung der Seilschlaufe bezüglich des Kastens erbringt und gleichzeitig auch den verbleibenden Spalt derart verschließt, daß kein Beton eindringt. In gleicher Weise ist es auch möglich, daß eine Ausschäumung verwendet wird. Die Abdichtmittel werden hierbei zum Beispiel auch so gewählt, daß diese keine Biegekräfte aufnehmen, das heißt bei der Abwinkelung der Seilschlaufe, insbesondere wenn die Seilschlaufe in den Kasten eingelegt ist, keine Biegekräfte aufnehmen bzw. die Biegung unterstützen. Dies kann zum Beispiel durch entsprechende Anordnung des Formteiles im oder am Verwahrkasten erreicht werden. Die Verwendung von Klebstoff oder Ausschäummittel bewirkt nur einen Verschluß des verbleibenden Spaltes, diese Mittel übernehmen aber keine Widerlagerfunktionen bezüglich der auftretenden Biegekräfte.In a preferred embodiment of the invention, different Possibilities for an appropriate sealant intended. A plastic sealant, for example, is used existing molding proposed, which as below still described, held by the box. It is also possible between the inserted rope loop and the box a glue, for example one Apply drops of glue, synthetic resin or the like on the one hand, a mechanical fixation of the rope loop in terms of the box and the remaining one at the same time Closes the gap in such a way that no concrete penetrates. In the same way, it is also possible that foaming is used. The sealants are used here, for example also chosen so that they do not absorb any bending forces means when bending the rope loop, especially if the rope loop is inserted in the box, no bending forces pick up or support the bend. This can lead to Example by appropriate arrangement of the molded part in or can be reached at the storage box. The use of glue or foaming agent only closes the remaining one Split, but these funds do not take over Abutment functions with regard to the bending forces that occur.

Besonders günstige Verhältnisse werden dann erhalten, wenn in die Durchbrechung ein insbesondere aus Kunststoff bestehendes, auf den zu verankernden Seilschlaufenteil einwirkendes Formteil eingesetzt ist. Dieses Formteil kann ohne weiteres im Zusammenwirken mit dem Kasten eine Vielzahl von Aufgaben übernehmen. Einerseits dient es zur Verformung der Seilschlaufe, wobei es mit den Halteelementen im Randbereich der Schenkel des U's zusammenwirkt. Es ergibt aber auch eine Führung für den einzubetonierenden Seilschlaufenteil, so daß dieser die gewünschte Lage einnimmt.Particularly favorable conditions are obtained when in the breakthrough of a plastic, in particular molded part acting on the rope loop part to be anchored is inserted. This molded part can easily work together take on a variety of tasks with the box. On the one hand, it serves to deform the rope loop, whereby it interacts with the holding elements in the edge region of the legs of the U's. However, it also provides guidance for the person to be concreted Rope loop part so that it is the desired one Takes position.

Günstig ist es, wenn das Formteil so ausgebildet wird, daß es die Spalte zwischen der Seilschlaufe und der Durchbrechung verschließt. Das Formteil verhindert dadurch, daß beim Betonieren Beton in das Innere des Kastens eindringt, wodurch das spätere Aufrichten der Seilschlaufe behindert werden könnte.It is advantageous if the molded part is designed so that it closes the gap between the rope loop and the opening. The molding thereby prevents that when concreting Concrete penetrates inside the box, causing the later Erection of the rope loop could be hindered.

Das Formteil kann verschiedene Ausbildungen aufweisen. Es kann beispielsweise einen Flansch besitzen, der am Kastenboden anliegt. Bei dieser oder auch bei anderen Ausführungsformen ist vorgesehen, daß das Formteil und die Durchbrechung von der Rotationssymmetrie abweichen, um das eingeführte Formteil durch eine Drehbewegung in der Durchbrechung zu fixieren. Wenn beide Teile, also das Formteil und die Durchbrechung, beispielsweise oval gestaltet sind, läßt sich das Formteil ohne weiteres einführen. Bei einer Durchbrechung ergibt sich eine sichere Verbindung insbesondere durch die Anwendung von Flanschen oder ähnlichen Mitteln.The molded part can have different designs. It can For example, have a flange that abuts the bottom of the box. In this or in other embodiments provided that the molding and the opening of the Rotational symmetry deviate to the inserted part to fix a rotary movement in the opening. If both Parts, i.e. the molded part and the opening, for example are oval, the molded part can be easily inserted. A breakthrough results in a secure connection especially through the use of flanges or similar means.

Das Formteil kann beispielsweise aus einem harten, wenig verformbaren Werkstoff, insbesondere Kunststoff, bestehen. Besser ist es jedoch, wenn ein Werkstoff benützt wird, der elastische Eigenschaften hat, so daß er in der Durchbrechung einrastet.The molded part can, for example, be made of a hard, not very deformable Material, especially plastic, exist. Better however, if a material is used, it is elastic Has properties so that it snaps into the opening.

Bei einer anderen Ausbildungsform der Erfindung ist das Formteil parallel zur Längserstreckung des Kastenbodens eingeschoben. Dabei kann dann das Formteil, wenn gewünscht, auch mit den Seitenwänden des Kastens zusammenwirken.In another embodiment of the invention, the molded part inserted parallel to the longitudinal extent of the box bottom. The molded part can then, if desired, also with interact with the side walls of the box.

Desweiteren ist vorgesehen, daß das Mittel, welches das zu verankernde Seilschlaufenteil im wesentlichen rechtwinklig zur Längserstreckung des Kastens hält, einstückig als Abbiegung mit dem Kasten verbunden ist. Durch eine solche Ausgestaltung wird eine sehr einfache Herstellung des Kastens erreicht, bei dem die die Biegekräfte aufnehmende Abbiegung bereits einstückig integriert ist. Eine solche Ausgestaltung kann zum Beispiel durch einen entsprechenden Stanzvorgang erreicht werden. In gleicher Weise ist es aber auch möglich, die Abbiegung zum Beispiel mit dem Kasten zu verschweißen oder zu verkleben um eine ebenfalls einstückige Verbindung zu erreichen.Furthermore, it is provided that the agent that the anchoring rope loop part essentially perpendicular to The box extends longitudinally, in one piece as a turn connected to the box. With such a configuration achieved a very simple manufacture of the box in which the bending absorbing the bending forces already in one piece is integrated. Such an embodiment can, for example can be achieved by an appropriate punching process. In in the same way it is also possible to turn to Example to weld or glue to the box to achieve a one-piece connection.

In einer bevorzugten Ausgestaltung der Erfindung wird vorgeschlagen, daß der Kastenboden innen und/oder außen ein Haltemittel aufweist, das das Formteil im Bereich der Durchbrechung hält. Das Formteil hat hierbei nur die Funktion die Durchbrechnung, die zum Beispiel als Abbiegung dient, soweit wieder zu verschließen, daß in dem verbleibenden Spalt zwischen Durchbrechung und durchgeführtem Seilschlaulfe kein Beton in den Kasten einlaufen kann. Die Haltemittel werden hierbei zum Beispiel ebenfalls gleichzeitig mit der Einbringung der Abbiegung bzw. Durchbrechung erzeugt. Dies kann zum Beispiel beim Herstellverfahren durch ein entsprechendes Stanzwerkzeug geschehen. Als Haltemittel wird zum Beispiel eine hochgebogene Lasche des Kastenbodens verwendet. Bei der Herstellung des Kastens, zum Beispiel aus Kunststoff wird eine entsprechende Ausgestaltung des Kastens durch ein entsprechendes Spritzwerkzeug erreicht. Da das Formteil in dieser Funktion keine großen Kräfte aufzunehmen hat, insbesondere die Biegekräfte der eleastischen formbaren Seilschlaufe nicht trägt, kann auf eine aufwendige stabile Befestigung des Haltemittels am Kasten leicht verzichtet werden. Es muß nur sichergestellt werden, daß das Formteil den Spalt verdeckt. Das Haltemittel kann sowohl im Verwahrkasten, als auch auf der Unterseite des Verwahrkastens gegen das Betonfertigteil orieniert angeordnet werden. An beiden Stellen ist es möglich, ein entsprechendes Abdichtmittel anzubringen und dieses durch das Haltemittel zu befestigen. In a preferred embodiment of the invention, it is proposed that that the box bottom inside and / or outside a holding means has that the molded part in the area of the opening holds. The molded part only has the function of the calculation, which serves as a turn, for example, as far as again to close that in the remaining gap between opening and carried out rope rope no concrete in the Box can shrink. The holding means become Example also at the same time as making the turn or breakthrough generated. This can be the case with Manufacturing process done by an appropriate punch. For example, an upright is used as a holding device Tab of the box bottom used. In the manufacture of the Box, for example made of plastic, will be a corresponding one Design of the box using an appropriate injection mold reached. Since the molded part in this function is not large Has to absorb forces, especially the bending forces of the Elastic formable rope loop can not be worn on a elaborate stable attachment of the holding means to the box be easily dispensed with. You just have to make sure that the molding covers the gap. The holding means can both Storage box, as well as on the underside of the storage box against the precast concrete. On Both places, it is possible to use an appropriate sealant to attach and fix this with the holding means.

Die Halteelemente werden vorzugsweise durch am Rand der Schenkel des U's nach innen gerichtete Leisten gebildet. Diese Leisten können beispielsweise durch Umbiegungen gewonnen werden. Die Leisten erstrecken sich dabei vorzugsweise über die ganze Länge des Kastens, wodurch eine wesentliche Versteifung des Kastens erhalten wird, wenn auch die Wirkung als Halteelemente für die Seilschlaufe nur in einem engen Bereich notwendig wäre. Daher sind auch punktuelle Einzelhalteelemente im Kasteninnern möglich um das Seil zurückzuhalten.The holding elements are preferably by at the edge of the Legs of the U's formed inward ledges. This Lasts can be obtained, for example, by bending become. The strips preferably extend over the full length of the box, creating a substantial stiffening of the box is obtained, although the effect as holding elements only necessary in a narrow area for the rope loop would. Therefore, there are also individual holding elements in the Box interior possible to hold back the rope.

Die Breite der Leisten sollte gleich oder größer sein als die Hälfte des Durchmessers des Drahtseiles der Seilschlaufe. Auf diese Weise wird ein sicherer Halt für die eingelegte Seilschlaufe erhalten. Es bleibt jedoch noch genügend Raum zwischen den Leisten, um die Seilschlaufe nach dem Versetzen des Betonfertigteiles aufrichten zu können.The width of the strips should be equal to or greater than that Half the diameter of the wire rope of the rope loop. On this way, a secure hold for the inserted rope loop receive. However, there is still enough space between the slats to the rope loop after moving the precast concrete to be able to erect.

Es ist von Vorteil, wenn der Kasten am Ende abgedichtet ist.It is advantageous if the box is sealed at the end.

Der Kasten ist mit Endabdeckungen versehen, die zum Beispiel durch Umbiegungen gewonnen sind. Eine solche Ausbildung empfiehlt sich insbesondere dann, wenn der Kasten aus Blech gefertigt ist. Auf diese Weise kann dann eine einstückige Konstruktion erhalten werden mit einer hohen Steifigkeit bei geringem Herstellungsaufwand. Es ist auch möglich, eine zum Beispiel aus Kunststoff gefertigte Endabdeckung vorzusehen, die auf das Ende des Kastens aufgesteckt wird.The box is provided with end covers, for example are obtained by bending. Such training is particularly recommended if the box is made of sheet metal is made. In this way, a one-piece Construction are obtained with a high degree of rigidity low manufacturing costs. It is also possible to use one To provide an example of plastic end cover that is put on the end of the box.

In bestimmten Fällen empfiehlt es sich, wenn ein Kasten mehrere Durchbrechungen aufweist. Ein derartiger Kasten trägt dann eine Mehrzahl von Seilschlaufen.In certain cases it is advisable if one box has several Has breakthroughs. Such a box then carries one Majority of rope loops.

Um den Kasten im Betonfertigteil sicher zu verankern ist es günstig, wenn am Boden und/oder den Seitenwänden geeignete Mittel angeordnet werden, beispielsweise Rippen, Vorsprünge oder Vertiefungen.It is to anchor the box securely in the precast concrete part cheap if suitable on the floor and / or the side walls Means are arranged, for example ribs, projections or recesses.

Es empfiehlt sich, wenn der Kasten eine ablösbare Abdeckung auf der Schalungsseite aufweist. Auf diese Weise besteht nur eine geringe Gefahr, daß beim Betonieren Beton in den Kasten eindringt. Die Abdeckung, die beispielsweise eine Folie sein kann, stört beim Aufrichten der Seilschlaufe nicht. Sie kann auch leicht entfernt werden. Besonders die Verwendung selbstklebender Folien oder Bänder läßt eine optimale Wirkung mit minimalem Aufwand zu. Bei Verwendung doppelseitig klebender Folien läßt sich der Kasten auch auf glatten Schalungsoberflächen , wie aus Stahl oder Kunststoff, einfach anbringen.It is recommended if the box has a removable cover the formwork side. This way there is only one low risk of concrete entering the box when concreting. The cover, which can be a film, for example, does not interfere with the raising of the rope loop. It can too can be easily removed. Especially the use of self-adhesive Foils or tapes have an optimal effect minimal effort. When using double-sided adhesive The box can also be foiled on smooth formwork surfaces , such as made of steel or plastic, simply attach.

In der Zeichnung sind einige Ausführungsbeispiele der Erfindung schematisch dargestellt. Es zeigen:

Fig. 1
eine Seitenansicht, teilweise im Schnitt einer erfindungsgemäßen Vorrichtung,
Fig. 2
einen Schnitt durch die Darstellung der Fig. 1,
Fig. 3
eine Draufsicht auf die Darstellung der Fig. 1,
Fig. 4, 5 und 6
Darstellungen eines anderen Ausführungsbeispieles der Erfindung und
Fig. 7, 8 und 9
Darstellungen eines weiteren erfindungsgemäßen Ausführungsbeispieles.
In the drawing, some embodiments of the invention are shown schematically. Show it:
Fig. 1
a side view, partly in section of a device according to the invention,
Fig. 2
2 shows a section through the representation of FIG. 1,
Fig. 3
2 shows a top view of the illustration in FIG. 1,
4, 5 and 6
Representations of another embodiment of the invention and
7, 8 and 9
Representations of a further embodiment according to the invention.

Die erfindungsgemäße Vorrichtung zum Verbund von Betonfertigteilen wird derart in den Randbereich eines Betonfertigteiles eingesetzt, daß die Oberfläche 17 des Kastens 1 etwa in einer Ebene liegt mit der Außenfläche 18 des Betonfertigteiles 19.The device according to the invention for connecting prefabricated concrete parts becomes like this in the edge area of a precast concrete element used that the surface 17 of the box 1 in about The plane lies with the outer surface 18 of the precast concrete element 19.

Der in den Zeichnungen gezeigte Kasten 1 ist aus Blech, beispielsweise aus verzinktem Blech gefertigt. Der Kasten 1 kann aber auch aus Kunststoff bestehen. Der Kastenboden 2 bildet den Steg eines U's, während die Seitenwände 16 die Schenkel 11 des U's bilden. Sowohl der Boden wie die Seitenwände weisen Mittel 14 zur Verbesserung der Verankerung im Betonfertigteil 19 auf, wobei im Boden Rippen 20 und in den Seitenwänden Einprägungen 21 vorgesehen sind.The box 1 shown in the drawings is made of sheet metal, for example made of galvanized sheet metal. Box 1 can but also consist of plastic. The box bottom 2 forms the Web of a U, while the side walls 16, the legs 11 of the Form U's. Both the bottom and the side walls have means 14 to improve the anchoring in the precast concrete element 19, with ribs 20 in the bottom and embossments in the side walls 21 are provided.

Im Kastenboden 2 ist insbesondere eine Durchbrechung 4 vorgesehen, die in den gezeigten Ausführungsbeispielen beispielsweise durch eine Ausstanzung gebildet ist. Die Durchbrechung kann kreisförmig sein. Sie kann aber auch eine andere Gestalt besitzen.In particular, an opening 4 is provided in the box bottom 2, those in the exemplary embodiments shown, for example is formed by a punch. The breakthrough can be circular. But it can also have a different shape have.

Beim Ausführungsbeispiel nach den Fig. 1 bis 3 ist in die Durchbrechung 4 ein Formteil 8 eingesetzt, das beispielsweise aus Kunststoff besteht. Das Formteil 8 besitzt eine Ausnehmung 22, so daß das Formteil auf die Seilschlaufe 5 aufgefädelt werden kann. Diese Seilschlaufe wird durch ein Drahtseilstück gebildet, dessen Enden durch eine aufgepreßte Klemmhülse 23 miteinander verbunden sind. Die Klemmhülse 23 ist nach der Verabeitung gleich oder größer als die Ausnehmung 22 im Formteil 8 und kleiner als die Durchbrechung 4.In the embodiment of FIGS. 1 to 3 is in the Opening 4 a molded part 8 used, for example is made of plastic. The molded part 8 has a recess 22, so that the molded part is threaded onto the rope loop 5 can be. This rope loop is made by a piece of wire rope formed, the ends of which are pressed on by a clamping sleeve 23 are interconnected. The clamping sleeve 23 is after the Processing equal to or larger than the recess 22 in the molded part 8 and smaller than the opening 4.

Ist das Formteil 8 mit der Seilschlaufe 5 in die Durchbrechung 4 eingesetzt, kann der Schlaufenteil 24 in den Kasten 1 eingelegt werden. In der eingelegten Stellung wird der Schlaufenteil 24 durch leistenförmige Halteelemente 7 gehalten, die durch Umbiegungen am oberen Rand 10 der Schenkel 11 gebildet sind. Die Breite der Leisten 7 sollte ausreichend groß sein, um den Schlaufenteil sicher festzuhalten. Dies wird zum Beispiel erreicht, wenn die Breite der Leisten mindestens der Hälfte der Stärke des Drahtseiles entspricht.Is the molded part 8 with the rope loop 5 in the opening 4 used, the loop part 24 can be inserted into the box 1 become. The loop part becomes in the inserted position 24 held by strip-shaped holding elements 7 by bending are formed on the upper edge 10 of the legs 11. The Width of the strips 7 should be large enough to Hold the loop part securely. For example reached when the width of the strips is at least half of the Corresponds to the strength of the wire rope.

Es können aber auch Einzelhalteelemente im Inneren des Kastens angebracht sein, die das Schlaufenteil zurückhalten. Die Seilschlaufe wird elastisch verformt, wobei die Kräfte vom Kasten insgesamt aufgenommen werden.But there can also be individual holding elements inside the box be attached, which retain the loop part. The rope loop is elastically deformed, taking the forces from the box be included in total.

Zwischen den Leisten 7 bleibt ausreichend Raum, um nach der Montage den Schlaufenteil 24 aus dem Kasten auszuheben und aufzurichten, wie dies aus den strichpunktiert gezeichneten Linien der Darstellungen der Fig. 1 und 2 hervorgeht.There is sufficient space between the strips 7 to move according to the Assembly to lift the loop part 24 out of the box and set it up, like this from the dash-dotted lines of the representations of FIGS. 1 and 2.

Das Formteil 8 bzw. 81 des Ausführungsbeispieles nach den Fig. 1 bis 3 ist aus elastischem Werkstoff gefertigt. Es ist aber auch die Verwendung eines nicht oder wenig elastischen Werkstoffes möglich, wenn die Abmessungen derart getroffen werden, daß die Seilschlaufe einfädelbar ist. Es ist auch möglich, vor dem Aufpressen der Hülse 23 das Formteil 8 bzw. 81 auf die Drahtseilenden aufzuschieben, wobei dann die Spalten zwischen dem Drahtseil und dem Formteil 8 sehr klein gehalten werden können.The molded part 8 or 81 of the embodiment of FIGS. 1 to 3 is made of elastic material. But it is also the use of a non or little elastic material possible if the dimensions are taken in such a way that the rope loop can be threaded. It is also possible to go ahead the pressing of the sleeve 23, the molded part 8 or 81 on the Slip the wire rope ends, leaving the gaps between the wire rope and the molded part 8 are kept very small can.

Das Formteil 8 soll unter anderem auch eine Abdichtung des Inneren des Kastens 1 sicherstellen.The molded part 8 is also intended to seal the Make sure inside the box 1.

Die Enden des Kastens sind mit Endabdeckungen 13 versehen, die durch Aufbiegungen gewonnen werden. Auch nachträgliche Verschlußelemente wie Kunststoffstöpsel sind möglich.The ends of the box are provided with end covers 13 which can be obtained by bends. Even subsequent locking elements like plastic plugs are possible.

Die leistenartigen Halteelemente 7 erlauben auch das Aufbringen einer abreißbaren Abdeckung, beispielsweise aus Folie, was ebenfalls dazu beiträgt, daß in das Kasteninnere kein Beton eindringt. Vor dem Aufrichtvorgang wird die Folie aufgerissen. The strip-like holding elements 7 also allow the application a tear-off cover, for example made of film, what also contributes to the fact that there is no concrete inside the box penetrates. The film is torn open before the erection process.

Das Ausführungsbeispiel der Fig. 4 bis 6 unterscheidet sich von demjenigen der Fig. 1 bis 3 im wesentlichen dadurch, daß das dort verwendete Formteil 83 und die zugehörige Durchbrechung 43 eine andere Ausgestaltung besitzt. Das Formteil 83 ist schieberartig gestaltet und besitzt einen Zungenteil 25, der durch Einschnitte 26 elastisch verformbar ist. An der Rippe 27 kann das Formteil bewegt werden. Das Formteil 83 wird zwischen die beiden Seilstränge der Seilschlaufe 5 eingeschoben, wodurch diese festgehalten werden. Die Durchbrechung 43 ist vorzugsweise langlochartig gestaltet und erlaubt es, den Schlaufenteil 24 von der Bodenseite des Kastens her in die Durchbrechung einzuschieben.The embodiment of FIGS. 4 to 6 differs from that of FIGS. 1 to 3 essentially in that the Molding 83 used there and the associated opening 43 has a different configuration. The molded part 83 is slider-like designed and has a tongue part 25 which by Incisions 26 is elastically deformable. On the rib 27 can the molding can be moved. The molded part 83 is between the inserted two strands of rope loop 5, whereby these are recorded. The opening 43 is preferred designed like a slot and allows the loop part 24 from the bottom of the box into the opening.

Die Durchbrechung ist durch eine Abbiegung 9 erhalten worden, die für die Seilschlaufe 5 eine Anlage bildet, so daß sich die gewünschte abgebogene Lage (s. Fig. 4) ergibt. Der Kastenboden 2 weist desweiteren Haltemittel 90 auf, die dazu dienen das Formteil 83 an der Durchbrechung derart zu halten, daß der verbleibende Spalt zwischen der Seilschlaufe 6 und der Durchbrechung verschlossen wird. Das Haltemittel 90 sowie die Abbiegung 9 und damit automatisch auch die Durchbrechung 4 werden günstigerweise in einem Herstellungsschritt, zum Beispiel einem Stanzvorgang gleichzeitig erzeugt. Dadurch wird eine einfache und kostengünstige Herstellung des erfindungsgemäßen Gegenstandes erreicht. Es ist, wie in Fig. 4 gezeigt, möglich das Haltemittel 90 im Verwahrkasten anzuordnen. Es ist aber auch möglich, das Haltemittel 90 auf der Unterseite, wie die Abbiegung 9 nach unten gerichtet, anzuordnen, um daran ein entsprechendes Formteil zu befestigen.The opening has been obtained by means of a bend 9, which forms a system for the rope loop 5, so that the desired bent position (see Fig. 4) results. The box bottom 2 furthermore has holding means 90 which serve the purpose To hold shaped part 83 at the opening such that the remaining gap between the rope loop 6 and the opening is closed. The holding means 90 and the bend 9 and thus automatically the opening 4 are conveniently in a manufacturing step to Example of a punching process generated simultaneously. This will a simple and inexpensive manufacture of the invention Object reached. It is as in Fig. 4 shown, possible to arrange the holding means 90 in the storage box. However, it is also possible to hold the holding means 90 on the To arrange the underside, as the turn 9 is directed downwards, to attach a corresponding molded part to it.

Das Formteil ist hierbei z.B. gabelförmig ausgebildet, um ein leichtes Auffädeln auf der Seilschlaufe zu ermöglichen. Wie dargestellt, wird das Formteil von rechts gegen die Durchbrechung 4 geführt und befindet sich somit im Winkel der abgewinkelten Seilschlaufe. Es ist auch möglich, Formteile mit Öffnungen für die Seilenden, und/oder das Formteil von links (Fig. 4), gegen die Seilschlaufe zu führen.The molded part is e.g. forked to a to allow easy threading on the rope loop. How shown, the molded part is from the right against the opening 4 out and is thus at the angle of the angled Rope loop. It is also possible to use molded parts Openings for the rope ends and / or the molded part from the left (Fig. 4) to lead against the rope loop.

Beim Ausführungsbeispiel nach den Fig. 7 bis 9 ist das Formteil 82 und auch die Durchbrechung 42 derart ausgestaltet, daß das Einführen des Formteiles 42 mit der Seilschlaufe 5 in einer Stellung möglich ist, die um ca. 90° verdreht ist zur Endstellung im montierten Zustand, der in der Zeichnung dargestellt ist. Zu diesem Zweck weichen das Formteil 82 und die Durchbrechung 42 von der Rotationssymmetrie ab, wie dies deutlich aus der Darstellung der Fig. 9 hervorgeht.In the embodiment according to FIGS. 7 to 9, the molding is 82 and the opening 42 designed such that the Introducing the molded part 42 with the rope loop 5 in one Position is possible, which is rotated by about 90 ° to the end position in the assembled state, which is shown in the drawing is. For this purpose, the molded part 82 and the Opening 42 from the rotational symmetry, as is clear 9 shows.

Der Flansch 15 ist dabei ausreichend groß gehalten und durch einen weiteren Flansch 30 auf der anderen Seite des Kastenbodens ergänzt, so daß nach der Drehbewegung die Durchbrechung sicher verschlossen ist.The flange 15 is kept sufficiently large and through another flange 30 on the other side of the box bottom added so that after the rotary movement the opening is securely locked.

Das Formteil 82 besitzt ferner einen Ansatz 31, der das einzubetonierende Seilschlaufenteil 6 in der gewünschten Stellung hält. Die Stellkräfte für die elastische Verformung der Seilschlaufe werden vom Blechteil aufgenommen.The molded part 82 also has an extension 31 which is to be concreted Rope loop part 6 in the desired position holds. The actuating forces for the elastic deformation of the rope loop are taken up by the sheet metal part.

Die Erfindung bezieht sich nicht nur auf die eingangs vorgestellte Vorrichtung, sondern auch auf ein Verfahren zur Herstellung einer solchen Vorrichtung. Das vorgestellte Verfahren stellt eine kostengünstige Möglichkeit dar um die beschriebene Vorrichtung zu produzieren. Desweiteren wird auch ein Betonfertigteil beschrieben, das mit einer entsprechenden Vorrichtung ausgestattet ist und das durch die erfindungsgemäße Ausgestaltung leichter zu verarbeiten ist. The invention relates not only to the one presented at the beginning Device, but also on a method of manufacture such a device. The method presented represents an inexpensive way to the described Device to produce. Furthermore, there is also a precast concrete part described that with a corresponding device is equipped and that by the invention Design is easier to process.

Die in den abhängigen Ansprüchen angeführten Rückbeziehungen weisen auf die weitere Ausbildung des Gegenstandes des Hauptanspruches durch die Merkmale des jeweiligen Unteranspruches hin.The backward relationships mentioned in the dependent claims point to the further training of the subject of the main claim by the features of the respective subclaim there.

Claims (22)

  1. Device for connecting precast concrete parts, comprising at least one fixing part (1) and one rope loop (5), anchored at one end in the precast concrete part, and whose other looped end works in conjunction with the fixing part set into the face of the precast concrete part, in order to flexibly bend the rope loop during manufacture of the precast concrete part approximately rectangularly and to release it to permit connection, where the fixing part is designed as an elongated box (1), the box floor (2) being provided with one or more openings (4) for the rope loop (5), with means near the opening (4), which holds the rope loop part (6) to be anchored esentially at a right angle to the longitudinal extension of the box (1), and with retaining elements (7), which hold the bent rope loop inside the box (1), yet which enable the rope loop to be disengaged from the holding position, characterised in that the box (1) has an essentially uniform, U-shaped cross-section, and that the retaining elements (7) are arranged longitudinally in the edge region of the limbs of the U.
  2. Device according to claim 1, characterised in that the retaining elements are designed as individual spot retaining elements.
  3. Device according to one or both of the preceding claims, characterised by a bend (9) at the opening (4) acting on the rope loop part (6) to be anchored and flexibly shaping the rope loop in connection with the box and its retaining elements.
  4. Device according to one of the claims 1 to 3, characterised by a holding means (90) at the opening (4) obtained by punching and bending.
  5. Device according to one of the preceding claims 1 to 4, characterised in that a sealing means closes the gap between rope loop (5) and opening (4).
  6. Device according to claim 5, characterised in that a formed part (8) made in particular from plastic, an adhesive or foam is provided as sealing means and /or the sealing means does not serve to bend the rope loop (6) to be anchored.
  7. Device according to one or both of the preceding claims, characterised in that a formed part (8) acting on the rope loop part (6) to be anchored is set into the opening (4) and flexibly shapes the rope loop part in connection with the box and its retaining elements.
  8. Device according to one or both of the claims 6 or 7, characterised in that the formed part (81) is provided with a flange (15), which is adjacent to the box floor (2).
  9. Device according to one or both of the claims 7 or 8, characterised in that the formed part (82) and the opening (42) differ from the rotational symmetry in order to fix and seal the inserted formed part (82) by a rotational movement inside the opening (42).
  10. Device according to one or more of the preceding claims, characterised by an elastic formed part (81), which engages in the opening.
  11. Device according to one or more of the claims 7 to 10, characterised in that the formed part (83) is inserted parallel to the longitudinal extension of the box floor (1)
  12. Device according to claim 6 or 7 and to one or more of the preceding claims, characterised in that the means which holds the rope loop part to be anchored substantially at a right angle to the longitudinal extension of the box (1), is formed as a bend (9) which is an integral part of the box (1).
  13. Device according to one or more of the preceding claims, characterised in that the box floor is provided with an internal and/or external holding means (90) which holds the formed part (8) near the opening (4).
  14. Device according to one or more of the preceding claims, characterised in that rails, which project towards the inside and form the retaining elements (7), are attached, in particular bent, at the edge of the limbs (11) of the U.
  15. Device according to claim 14, characterised in that the width of the rails (7) is at least equal to half of the diameter of the wire rope (12) of the rope loop (5).
  16. Device according to one or more of the preceding claims, characterised in that the box is sealed at its end.
  17. Device according to one or more of the preceding claims, characterised in that the box (1) is provided with several openings (4) and/or is made from sheet metal or plastic.
  18. Device according to one or more of the preceding claims, characterised in that the box (1) is provided on its floor (2) and/or on its sides (16) with means (14) for anchoring the box in the precast concrete part.
  19. Device according to one or more of the preceding claims, characterised in that a removable cover is attached to the outside of the box (1).
  20. Device according to claim 19, characterised in that the removable cover is designed in a double sided adhesive manner for fixing on the form work.
  21. Process for manufacturing a device for connecting precast concrete parts according to one or more of the preceding claims, characterised in that the opening and the retaining means as well as the provision of the bend is created in one manufacturing step, in particular in a punch operation.
  22. Precast concrete part with a device according to one or more of the claims 1 to 20.
EP97941886A 1996-07-20 1997-07-18 Device for assembling prefabricated concrete parts Expired - Lifetime EP0914531B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE29612573U 1996-07-20
DE29612573U DE29612573U1 (en) 1996-07-20 1996-07-20 Device for joining precast concrete parts
PCT/EP1997/003870 WO1998003751A1 (en) 1996-07-20 1997-07-18 Device for assembling prefabricated concrete parts

Publications (2)

Publication Number Publication Date
EP0914531A1 EP0914531A1 (en) 1999-05-12
EP0914531B1 true EP0914531B1 (en) 2001-05-30

Family

ID=8026724

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97941886A Expired - Lifetime EP0914531B1 (en) 1996-07-20 1997-07-18 Device for assembling prefabricated concrete parts

Country Status (8)

Country Link
US (1) US6102607A (en)
EP (1) EP0914531B1 (en)
AT (1) ATE201736T1 (en)
AU (1) AU4377497A (en)
DE (4) DE29612573U1 (en)
DK (1) DK0914531T3 (en)
PL (1) PL187348B1 (en)
WO (1) WO1998003751A1 (en)

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EP1471192A1 (en) 2003-04-22 2004-10-27 Pfeifer Holding GmbH & Co. KG Connecting device for concrete components
US7395635B2 (en) 2004-05-10 2008-07-08 Pfeifer Holding Gmbh & Co. Kg Device for lifting concrete parts
EP2228505A1 (en) 2009-03-12 2010-09-15 Krummel, Gerhard Device for connecting prefabricated concrete sections
EP2233664A1 (en) 2009-03-12 2010-09-29 Gerhard Krummel Device for connecting prefabricated concrete sections
EP2239397A1 (en) 2009-03-12 2010-10-13 Krummel, Gerhard Device for connecting ready-mixed concrete sections
US8387328B2 (en) 2009-03-12 2013-03-05 Peikko Group Oy Device for connecting prefabricated concrete sections
DE102010003272A1 (en) 2010-03-25 2011-09-29 Georg Weidner Device for producing connection between precast concrete parts, has reinforcement part arranged in groove such that anchor region is extended outside support part on bottom side and connecting portion is inserted into groove

Also Published As

Publication number Publication date
PL331152A1 (en) 1999-06-21
DE29723989U1 (en) 1999-09-02
DE59703683D1 (en) 2001-07-05
WO1998003751A1 (en) 1998-01-29
DK0914531T3 (en) 2001-08-20
PL187348B1 (en) 2004-06-30
EP0914531A1 (en) 1999-05-12
US6102607A (en) 2000-08-15
AU4377497A (en) 1998-02-10
DE29723990U1 (en) 1999-09-02
ATE201736T1 (en) 2001-06-15
DE29612573U1 (en) 1997-11-20

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