EP0389413A1 - Prefabricated reinforcing element - Google Patents

Prefabricated reinforcing element Download PDF

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Publication number
EP0389413A1
EP0389413A1 EP90810159A EP90810159A EP0389413A1 EP 0389413 A1 EP0389413 A1 EP 0389413A1 EP 90810159 A EP90810159 A EP 90810159A EP 90810159 A EP90810159 A EP 90810159A EP 0389413 A1 EP0389413 A1 EP 0389413A1
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EP
European Patent Office
Prior art keywords
longitudinal connecting
connecting bars
shaped
element according
reinforcing element
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.)
Withdrawn
Application number
EP90810159A
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German (de)
French (fr)
Inventor
Alain Walroff
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.)
Davum SA Crissier
EGCO AG
Original Assignee
Davum SA Crissier
EGCO AG
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Filing date
Publication date
Application filed by Davum SA Crissier, EGCO AG filed Critical Davum SA Crissier
Publication of EP0389413A1 publication Critical patent/EP0389413A1/en
Withdrawn legal-status Critical Current

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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
    • E04C5/01—Reinforcing elements of metal, e.g. with non-structural coatings
    • E04C5/06—Reinforcing elements of metal, e.g. with non-structural coatings of high bending resistance, i.e. of essentially three-dimensional extent, e.g. lattice girders
    • E04C5/0604—Prismatic or cylindrical reinforcement cages composed of longitudinal bars and open or closed stirrup rods
    • E04C5/0609—Closed cages composed of two or more coacting cage parts, e.g. transversally hinged or nested parts
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D27/00—Foundations as substructures
    • E02D27/01—Flat foundations
    • E02D27/08—Reinforcements for flat foundations
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
    • E04C5/01—Reinforcing elements of metal, e.g. with non-structural coatings
    • E04C5/06—Reinforcing elements of metal, e.g. with non-structural coatings of high bending resistance, i.e. of essentially three-dimensional extent, e.g. lattice girders
    • E04C5/0604—Prismatic or cylindrical reinforcement cages composed of longitudinal bars and open or closed stirrup rods
    • E04C5/0622—Open cages, e.g. connecting stirrup baskets

Definitions

  • the present invention relates to a prefabricated reinforcing element for the construction of concrete structures, in particular for civil engineering, consisting of several U-shaped reinforcing bars which are connected to one another by means of longitudinal connecting bars.
  • Prefabricated reinforcement elements have become more and more widespread in recent years, particularly as a result of the work of the applicant. Such reinforcement elements are mainly used in building construction.
  • a prefabricated reinforcing element of the type described at the outset is known in particular from CH-PS 642'131. It is a simple basic element consisting of several U-shaped arches Reinforcing irons which are connected to one another by means of a plurality of longitudinal connecting irons, two of the three identical sides of all U-shaped reinforcing irons being welded to at least one longitudinal connecting iron. This guarantees the element the desired bending stiffness.
  • These known reinforcement elements are suitable for creating precisely straight concrete components. Such elements are mostly used in the construction of masonry.
  • the present invention therefore has as its object to provide a prefabricated reinforcing element which can be bent as desired in one plane, while at the same time the U-shaped reinforcing bars regularly align in the desired direction.
  • the reinforcement elements according to the invention are used to create curved, curved or arched concrete structures.
  • all design variants consist of a plurality of U-shaped reinforcing bars 1 and at least two, preferably wise, however, three, the U-shaped reinforcing bars interconnecting longitudinal rods 2.
  • the length relationships of the two parallel legs 10, 11 and the base 12 are different. It is essential, however, that the longitudinal connecting bars 2 are all attached to the same leg of all U-shaped reinforcing bars 1 or all to the base 12. Another, generally valid feature can be seen in the fact that the longitudinal connecting bars 2 are relatively close to one another. Thus, all longitudinal links 2 are in one plane E1.
  • the prefabricated reinforcing element can therefore not be bent, but the element can be deformed perpendicular to the plane E1, in the plane E2 in which, for example, the base 12 of the U-shaped bracket 1 is located.
  • the element can thus be bent in the horizontal direction, whereas in the vertical direction it is resistant to bending.
  • FIG. 1 shows an element which consists of equilateral U-shaped brackets 1, in which the left legs 10 of all U-shaped reinforcing bars 1 are connected to one another by three parallel longitudinal connecting bars 2.
  • a rectangular shaft can be designed, which is bent as desired in one plane (FIG. 5).
  • FIG. 2 shows an element, which has a hairpin-shaped, isosceles, U-shaped reinforcing iron 1 '.
  • the longitudinal connecting iron 2 ' are welded to the end portion of the leg 10'.
  • Such reinforcement elements can be used, for example, to create curved wall crowns.
  • FIG. 6 shows an application of such elements for creating a channel open on one side.
  • the longitudinal connecting iron 2 ⁇ can also be welded to the lower narrow side of the base of the U-shaped bracket 1 ⁇ .
  • the two legs 10 ⁇ , 11 ⁇ can have different lengths.
  • Two mirror-inverted elements according to FIG. 3 can be used, for example, for the creation of the curved foundation slabs in one plane. No such application example is shown in the drawing.
  • FIG. 4 A last exemplary embodiment is shown in FIG. 4.
  • the base 12 is very wide here and the longitudinal connecting bars 2 are all located on one of the two short legs 10.
  • the legs 10 and 11 are directed against one another in their end region by 90 °.
  • Such an element can be used, for example, together with one or two elements according to FIG. 2 to form a building that is curved in one plane, in which two perpendicular concrete surfaces occur, as shown in FIG. 6.
  • the same element in FIG. 4 is bent in an S shape in FIG. 7 and drawn in a laying plan.
  • the individual U-shaped reinforcing bars 1 are thus always automatically aligned with the center M of the bend.
  • the distance between the two outermost, parallel longitudinal connecting bars is at a maximum distance of 20 cm.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • General Engineering & Computer Science (AREA)
  • Reinforcement Elements For Buildings (AREA)

Abstract

Reinforcements for constructing curved concrete building elements have hitherto been fabricated in situ. The reinforcing element according to the invention consists of a multiplicity of U-shaped curved reinforcing bars in the form of a stirrup (1) which are interconnected by means of at least two, but preferably three, longitudinal connecting bars (2). The longitudinal connecting bars (2) all lie in one plane (E1) and are all welded either to in each case one leg (10, 11) or to the base (12). The longitudinal connecting bars (2) or the planned element are bent in the form of the concrete building member to be constructed, in the plane (E2). <IMAGE>

Description

Die vorliegende Erfindung betrifft ein vorgefertigtes Ar­mierungselement zur Erstellung von Betonbauten, insbe­sondere für den Tiefbau, bestehend aus mehrerem U-förmig gebogenen Armierungseisen, die mittels Längsverbindungs­eisen untereinander verbunden sind.The present invention relates to a prefabricated reinforcing element for the construction of concrete structures, in particular for civil engineering, consisting of several U-shaped reinforcing bars which are connected to one another by means of longitudinal connecting bars.

Vorgefertigte Armierungselemente haben in den letzten Jahren, insbesondere auch durch die Tätigkeit der Anmel­derin sich immer mehr verbreitet. Vorwiegend werden solche Armierungselemente im Hochbau eingesetzt. Zur Dokumenta­tion wird beispielsweise auf die europäischen Veröffent­lichungen EU-A-0'267'146 und EU-A-88'810'525.1 verwiesen. Ein vorgefertigtes Armierungselement der eingangs be­schriebenen Art ist insbesondere aus der CH-PS 642'131 bekannt. Es handelt sich hierbei, um ein einfaches Grund­element bestehend aus mehreren U-förmig gebogenen Ar­ mierungseisen, die mittels mehreren Längsverbindungseisen miteinander verbunden sind, wobei zwei der drei gleich­liegenden Seiten aller U-förmig gebogenen Armierungseisen mit mindestens einem Längsverbindungseisen verschweisst sind. Dies garantiert dem Element die gewünschte Verbie­gungssteifigkeit. Diese bekannten Armierungselemente sind geeignet zur Erstellung von exakt gerade verlaufenden Be­tonbauteile. Meist werden solche Elemente bei der Er­stellung von Mauerwerken eingesetzt.Prefabricated reinforcement elements have become more and more widespread in recent years, particularly as a result of the work of the applicant. Such reinforcement elements are mainly used in building construction. For documentation, reference is made, for example, to the European publications EU-A-0'267'146 and EU-A-88'810'525.1. A prefabricated reinforcing element of the type described at the outset is known in particular from CH-PS 642'131. It is a simple basic element consisting of several U-shaped arches Reinforcing irons which are connected to one another by means of a plurality of longitudinal connecting irons, two of the three identical sides of all U-shaped reinforcing irons being welded to at least one longitudinal connecting iron. This guarantees the element the desired bending stiffness. These known reinforcement elements are suitable for creating precisely straight concrete components. Such elements are mostly used in the construction of masonry.

Bei der Erstellung von Kanalbauten, Kanalisationen oder Bachverbauungen werden gleichartige Armierungselemente in grossen Mengen benötigt. Solche Bauten, die sich oftmals über Kilometerlängen erstrecken, müssen den topogra­phischen Gegebenheiten angepasst werden. Bisher mussten die entsprechenden Armierungen äusserst arbeits-intensiv an Ort und Stelle gefertigt werden. Die vorliegende Er­findung stellt sich daher die Aufgabe, ein vorgefertigtes Armierungselement zu schaffen, das in einer Ebene beliebig gebogen werden kann, wobei gleichzeitig sich die U-förmig gebogenen Armierungseisen regelmässig in der gewünschten Richtung ausrichten.When constructing sewer structures, sewer systems or stream coverings, similar reinforcement elements are required in large quantities. Buildings of this type, which often stretch for kilometers, must be adapted to the topographical conditions. Until now, the corresponding reinforcements had to be manufactured on site in an extremely labor-intensive manner. The present invention therefore has as its object to provide a prefabricated reinforcing element which can be bent as desired in one plane, while at the same time the U-shaped reinforcing bars regularly align in the desired direction.

Diese Aufgabe löst ein vorgefertigtes Armierungselement der eingangs genannten Art mit den kennzeichnenden Merk­malen des Patentanspruches.This object is achieved by a prefabricated reinforcing element of the type mentioned at the outset with the characterizing features of the patent claim.

In der Zeichnung sind einige Ausführungsbeispiele und deren Anwendungen schematisch dargestellt. Es zeigt:

  • Figur 1-4 vier verschiedene vorgefertigte Armierungsele­mente in einer Schnittebene senkrecht zur Ver­laufsrichtung der Längsverbindungseisen;
  • Figur 5 eine Anwendung des Elementes nach Figur 1 zur Erstellung eines geschlossenen, rechtwinkligen Querschnitt aufweisenden Schachtes und
  • Figur 6 eine Anwendung der Elemente nach den Figuren 2 und 4 zur Erstellung eines einseitig offenen Sammelkanals;
  • Figur 7 stellt einen vereinfachten Legeplan eines Ele­mentes nach Figur 3 in S-förmiger Gestalt dar.
Some exemplary embodiments and their applications are shown schematically in the drawing. It shows:
  • Figure 1-4 four different prefabricated reinforcing elements in a sectional plane perpendicular to the direction of the longitudinal connecting bars;
  • Figure 5 shows an application of the element of Figure 1 to create a closed, rectangular cross-section shaft and
  • FIG. 6 shows an application of the elements according to FIGS. 2 and 4 to create a collecting channel open on one side;
  • FIG. 7 shows a simplified layout plan of an element according to FIG. 3 in an S-shaped configuration.

Wie eingangs erwähnt, dienen die erfindungsgemässen Armie­rungselemente zur Erstellung von gekrümmt, gebogen oder gewölbt verlaufenden Betonbauten. Prinzipiell bestehen sämtliche Ausführungsvarianten aus einer Vielzahl U-förmig gebogenen Armierungseisen 1 und mindestens zwei, vorzugs­ weise jedoch drei, die U-förmigen Armierungseisen unter­einander verbindenden Längsstäbe 2. Je nach Anwendungs­zweck sind die Längenverhältnisse der beiden parallelen Schenkel 10, 11 sowie der Basis 12 unterschiedlich. Wesentlich ist jedoch, dass die Längsverbindungseisen 2 alle am gleichen Schenkel aller U-förmig gebogenen Ar­mierungseisen 1 oder alle an der Basis 12 befestigt sind. Ein weiteres, allgemein gültiges Merkmal ist darin zu sehen, dass die Längsverbindungseisen 2 relativ nahe bei­einander liegen. Somit liegen sämtliche Längsverbin­dungseisen 2 in einer Ebene E₁ . In der Ebene E₁ lässt sich das vorgefertigte Armierungselement folglich nicht biegen, das Element lässt sich hingegen senkrecht zur Ebene E₁, in der Ebene E₂ in der beispielsweise die Basis 12 der U-förmigen Bügel 1 liegen, verformen. Im Beispiel gemäss der Figur 1, lässt sich somit das Element in der Horizontalrichtung biegen, hingegen in der Vertikal­richtung ist es verbiegungssteif.As mentioned at the beginning, the reinforcement elements according to the invention are used to create curved, curved or arched concrete structures. In principle, all design variants consist of a plurality of U-shaped reinforcing bars 1 and at least two, preferably wise, however, three, the U-shaped reinforcing bars interconnecting longitudinal rods 2. Depending on the application, the length relationships of the two parallel legs 10, 11 and the base 12 are different. It is essential, however, that the longitudinal connecting bars 2 are all attached to the same leg of all U-shaped reinforcing bars 1 or all to the base 12. Another, generally valid feature can be seen in the fact that the longitudinal connecting bars 2 are relatively close to one another. Thus, all longitudinal links 2 are in one plane E₁. In the plane E₁, the prefabricated reinforcing element can therefore not be bent, but the element can be deformed perpendicular to the plane E₁, in the plane E₂ in which, for example, the base 12 of the U-shaped bracket 1 is located. In the example according to FIG. 1, the element can thus be bent in the horizontal direction, whereas in the vertical direction it is resistant to bending.

In der Figur 1 ist ein Element gezeigt, welches aus gleichseitigen U-förmigen Bügeln 1 besteht, bei denen die linken Schenkel 10 aller U-förmigen Armierungseisen 1 durch drei parallele Längsverbindungseisen 2 miteinander verbunden sind. Mittels zwei gegengleich zueinander ge­ richteten Elemente nach Figur 1 lässt sich beispielsweise ein rechteckiger Schacht ausführen, der in einer Ebene beliebig gebogen ist (Figur 5).1 shows an element which consists of equilateral U-shaped brackets 1, in which the left legs 10 of all U-shaped reinforcing bars 1 are connected to one another by three parallel longitudinal connecting bars 2. By means of two opposite ge 1, for example, a rectangular shaft can be designed, which is bent as desired in one plane (FIG. 5).

In der Figur 2 ist ein Element dargestellt, welches haarnadelförmig gebogene, gleichschenklige, U-förmige Ar­mierungseisen 1′ aufweist. Die Längsverbindungseisen 2′ sind hier am Endbereich der Schenkel 10′ angeschweisst. Solche Armierungselemente lassen sich beispielsweise zur Erstellung von gekrümmt verlaufenden Mauerkronen ver­wenden. In der Figur 6 ist eine Anwendung solcher Elemente zur Erstellung eines einseitig offenen Kanales darge­stellt.In the figure 2 an element is shown, which has a hairpin-shaped, isosceles, U-shaped reinforcing iron 1 '. The longitudinal connecting iron 2 'are welded to the end portion of the leg 10'. Such reinforcement elements can be used, for example, to create curved wall crowns. FIG. 6 shows an application of such elements for creating a channel open on one side.

Die Längsverbindungseisen 2˝ können auch an der unteren Schmalseite der Basis der U-förmig gebogenen Bügel 1˝ angeschweisst werden. Hierbei können die beiden Schenkel 10˝, 11˝ unterschiedlich lang sein. Zwei spiegelbildlich gegeneinander gerichtete Elemente gemäss der Figur 3 lassen sich beispielsweise für die Erstellung für die gekrümmt in einer Ebene verlaufenden Fundamentplatten ver­wendet werden. In der Zeichnung ist kein solches Anwen­dungsbeispiel dargestellt.The longitudinal connecting iron 2˝ can also be welded to the lower narrow side of the base of the U-shaped bracket 1˝. Here, the two legs 10˝, 11˝ can have different lengths. Two mirror-inverted elements according to FIG. 3 can be used, for example, for the creation of the curved foundation slabs in one plane. No such application example is shown in the drawing.

Ein letztes Ausführungsbeispiel ist in Figur 4 gezeigt.A last exemplary embodiment is shown in FIG. 4.

Die Basis 12 ist hier sehr breit und die Längsverbin­dungseisen 2 liegen allesamt an einem der beiden kurzen Schenkel 10. Die Schenkel 10 und 11 sind in ihrem End­bereich um 90° gegeneinander gerichtet. Ein solches Ele­ment kann beispielsweise zusammen mit einem oder zwei Elementen gemäss Figur 2 zu einem Bauwerk, das in einer Ebene gekrümmt ist, verwendet werden, bei dem zwei senk­recht verlaufende Betonflächen auftreten wie dies Figur 6 darstellt. Dasselbe Element in Figur 4 ist in Figur 7 in S-Form gebogen, in einem Legeplan gezeichnet. Die ein­zelnen U-förmigen Armierungseisen 1 sind damit immer auto­matisch auf das Zentrum M der Biegung ausgerichtet.The base 12 is very wide here and the longitudinal connecting bars 2 are all located on one of the two short legs 10. The legs 10 and 11 are directed against one another in their end region by 90 °. Such an element can be used, for example, together with one or two elements according to FIG. 2 to form a building that is curved in one plane, in which two perpendicular concrete surfaces occur, as shown in FIG. 6. The same element in FIG. 4 is bent in an S shape in FIG. 7 and drawn in a laying plan. The individual U-shaped reinforcing bars 1 are thus always automatically aligned with the center M of the bend.

Selbstverständlich lassen sich die Armierungselemente be­liebig mit den bekannten Armierungsflächennetzen kom­binieren. In der Zeichnung wurde der Deutlichkeit halber auf die Darstellung dieser Möglichkeiten verzichtet. Sie sind jedoch für den Fachmann selbstverständlich.Of course, the reinforcement elements can be combined as desired with the known reinforcement surface networks. For the sake of clarity, these options have not been shown in the drawing. However, they are a matter of course for the person skilled in the art.

Es ist optimal, wenn die Distanz der beiden äussersten, parallelen Längsverbindungseisen einen maximalen Abstand von 20 cm aufweisen.It is optimal if the distance between the two outermost, parallel longitudinal connecting bars is at a maximum distance of 20 cm.

Claims (9)

1 . Armierungselement zur Erstellung von Betonbauten, ins­besondere für den Tiefbau, bestehend aus mehreren U-förmig gebogenen Armierungseisen, die mittels Längs­verbindungseisen untereinander verbunden sind, dadurch gekennzeichnet dass mindestens zwei parallele Längs­verbindungseisen (2,2′,2˝) vorhanden sind, die alle an nur einer der drei Seiten der U-förmigen Bügel (1,1′,1˝) angeschweisst sind, während die beiden anderen Seiten der U-förmigen Bügel untereinander nicht verbunden sind, und dass die Längsverbindungseisen in der Form eines gekrümmt verlaufenden Betonbauelementes gebogen sind.1 . Reinforcing element for the construction of concrete structures, especially for civil engineering, consisting of several U-shaped reinforcing bars, which are connected to each other by means of longitudinal connecting bars, characterized in that at least two parallel longitudinal connecting bars (2,2 ', 2˝) are available, all of them only one of the three sides of the U-shaped bracket (1,1 ', 1˝) are welded on, while the other two sides of the U-shaped bracket are not connected to each other, and that the longitudinal connecting bars are bent in the form of a curved concrete component. 2. Armierungselement nach Anspruch 1, dadurch gekennzei­chnet, dass alle Längsverbindungseisen (2,2′) an einem Schenkel (10,10′) angeschweisst sind.2. Reinforcing element according to claim 1, characterized in that all longitudinal connecting bars (2,2 ') are welded to one leg (10,10'). 3. Armierungselement nach Anspruch 1, dadurch gekennzei­chnet, dass die U-förmigen Bügel (1′) haarnadelförmig gebogen sind und alle Längsverbindungseisen (2′) in der Nähe eines freien Endes eines Schenkels (10′) ange­ schweisst sind, und dass der Abstand der beiden weitest voneinander verlaufenden parallelen Längsverbindungs­eisen die Distanz entsprechend der Breite der Bügel (10′) aufweisen.3. Reinforcing element according to claim 1, characterized in that the U-shaped bracket (1 ') are bent hairpin-shaped and all longitudinal links (2') in the vicinity of a free end of a leg (10 ') are welded, and that the distance between the two longest parallel parallel connecting bars has the distance corresponding to the width of the bracket (10 '). 4. Armierungselement nach Anspruch 1, dadurch gekennzei­chnet, dass die U-förmigen Bügel (1˝) haarnadelförmig gebogen sind und die Längsverbindungseisen (2˝) an der Schmalseite des Bügels angeschweisst sind.4. Reinforcing element according to claim 1, characterized in that the U-shaped bracket (1˝) are bent hairpin-shaped and the longitudinal connecting iron (2 () are welded to the narrow side of the bracket. 5. Armierungselement nach Anspruch 1, dadurch gekennzei­chnet, dass die U-förmigen Bügel eine Basis (12) haben, die um ein mehrfaches breiter sind als die Länge der Schenkel (10,11), und dass die Längsverbindungseisen (2) an einem der kurzen Schenkel (10) angeschweisst sind.5. Reinforcing element according to claim 1, characterized in that the U-shaped brackets have a base (12) which is several times wider than the length of the legs (10,11), and that the longitudinal connecting iron (2) on one of the short legs (10) are welded on. 6. Armierungselement nach Anspruch 1, dadurch gekennzei­chnet, dass drei Längsverbindungseisen in gleich­mässigem Abstand vorgesehen sind, und dass die Distanz zwischen beiden äussersten Längsverbindungseisen (2) maximal 20 cm beträgt.6. Reinforcing element according to claim 1, characterized in that three longitudinal connecting bars are provided at a uniform distance, and that the distance between the two outermost longitudinal connecting bars (2) is a maximum of 20 cm. 7. Verwendung des Armierungseisens nach Anspruch 1, da­durch gekennzeichnet, dass diese zur Erstellung eines gekrümmt verlaufenden Betonelementes dienen, wobei die Längsverbindungseisen in der Krümmungsfläche liegen.7. Use of the reinforcing iron according to claim 1, characterized in that these serve to create a curved concrete element, the longitudinal connecting iron lying in the curved surface. 8. Verwendung nach Anspruch 7 eines Elementes nach An­spruch 3, dadurch gekennzeichnet, dass dieses zur Er­stellung einer gekrümmt verlaufenden Mauerkrone dient.8. Use according to claim 7 of an element according to claim 3, characterized in that it is used to create a curved wall crown. 9. Verwendung nach Anspruch 7 eines Elementes nach An­spruch 5, dadurch gekennzeichnet, dass dieses zur Er­stellung von in einer Ebene gekrümmt verlaufenden Fun­damentplatten verwendbar ist.9. Use according to claim 7 of an element according to claim 5, characterized in that it can be used to create curved foundation plates in one plane.
EP90810159A 1989-03-20 1990-03-02 Prefabricated reinforcing element Withdrawn EP0389413A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH101989A CH678547A5 (en) 1989-03-20 1989-03-20
CH1019/89 1989-03-20

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EP0389413A1 true EP0389413A1 (en) 1990-09-26

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4213408A1 (en) * 1992-04-23 1993-10-28 Blasy Rolf Safety iron rod inserting strip - consists of several parallel, inserting iron rods with stirrup at top end

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT179885B (en) * 1952-05-30 1954-10-11 Evg Entwicklung Verwert Ges Welded wire mesh made of two rows of bars crossing each other for angled, arched reinforcement
FR2088529A2 (en) * 1970-05-12 1972-01-07 Oroschakoff Georgi
CH642131A5 (en) * 1981-01-19 1984-03-30 Fischer Draht Ag Connection cage for reinforcing reinforced-concrete structures and the use thereof
DE8901350U1 (en) * 1989-02-07 1989-03-23 Hiendl, Heribert, 8440 Straubing Connecting bracket basket

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT179885B (en) * 1952-05-30 1954-10-11 Evg Entwicklung Verwert Ges Welded wire mesh made of two rows of bars crossing each other for angled, arched reinforcement
FR2088529A2 (en) * 1970-05-12 1972-01-07 Oroschakoff Georgi
CH642131A5 (en) * 1981-01-19 1984-03-30 Fischer Draht Ag Connection cage for reinforcing reinforced-concrete structures and the use thereof
DE8901350U1 (en) * 1989-02-07 1989-03-23 Hiendl, Heribert, 8440 Straubing Connecting bracket basket

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4213408A1 (en) * 1992-04-23 1993-10-28 Blasy Rolf Safety iron rod inserting strip - consists of several parallel, inserting iron rods with stirrup at top end

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CH678547A5 (en) 1991-09-30

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