EP0537728A1 - Ecarteur pour fixer une armature, en particulier un grillage d'armature ou une poutre en treillis, contre un panneau de coffrage - Google Patents

Ecarteur pour fixer une armature, en particulier un grillage d'armature ou une poutre en treillis, contre un panneau de coffrage Download PDF

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Publication number
EP0537728A1
EP0537728A1 EP92117608A EP92117608A EP0537728A1 EP 0537728 A1 EP0537728 A1 EP 0537728A1 EP 92117608 A EP92117608 A EP 92117608A EP 92117608 A EP92117608 A EP 92117608A EP 0537728 A1 EP0537728 A1 EP 0537728A1
Authority
EP
European Patent Office
Prior art keywords
spacer
receptacle
spacer according
reinforcement
holding means
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Withdrawn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
EP92117608A
Other languages
German (de)
English (en)
Inventor
Wolfgang Schnabel
Wolfram Gehder
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.)
Kunz GmbH and Co
Original Assignee
Kunz GmbH and Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kunz GmbH and Co filed Critical Kunz GmbH and Co
Publication of EP0537728A1 publication Critical patent/EP0537728A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
    • E04C5/16—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups
    • E04C5/20—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups of material other than metal or with only additional metal parts, e.g. concrete or plastics spacers with metal binding wires
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
    • E04C5/16—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups
    • E04C5/168—Spacers connecting parts for reinforcements and spacing the reinforcements from the form

Definitions

  • the invention relates to a spacer for fixing a reinforcement, in particular a reinforcement mat or a lattice girder, to a formwork panel, with at least one receptacle for a reinforcement bar, which is arranged at a distance from the formwork panel and in which the reinforcement bar can be positively fixed.
  • Spacers of this type are used in particular in slab formwork systems in which the formwork panel follows the concrete remains as lost formwork on the underside of the ceiling.
  • a spacer of the type mentioned at the outset is known from EP-0 164 330.
  • a variant of a spacer known from this publication is provided with two longitudinally groove-shaped receptacles for reinforcement bars of a reinforcement mat which are arranged parallel to one another.
  • the receiving cross section of the groove has approximately a U-shape and is adapted to the diameter of the reinforcing bar.
  • the receptacle is open to the side so that the rebar can be inserted here.
  • the one-piece spacer can be non-positively attached to the formwork panel.
  • German utility model G 90 10 331 and the German laid-open specification DE-OS 39 22 711 show different designs of devices for fixing two reinforcing bars at a distance from one another.
  • the invention has for its object to propose a spacer of the type mentioned, in which the reinforcing bar is securely fixed in its receptacle after its insertion, the number of spacers required being reduced.
  • the invention proposes that the receptacle is assigned a holding means which holds the reinforcing bar in the receptacle after it has been inserted.
  • the inventive design of the spacer ensures that the number of spacers for fixing a reinforcement mat or a lattice girder is reduced. This reduces the assembly effort for a slab formwork system. After inserting the rebar in the receptacle provided on the spacer, it is securely held in the receptacle. The reinforcement bar, in particular to the side, can thus also be secured by a spacer.
  • the receptacle has an insertion bevel for the reinforcing bar that is accessible from the top of the spacer.
  • This measure makes it easier to install a slab formwork provided with the spacers according to the invention.
  • the reinforcement mat or the lattice girder is inserted into the receptacle via the lead-in chamfer.
  • the receptacle is preferably designed with a cross section such that the reinforcing bar can be securely held in the receptacle after it has been inserted.
  • the holding means is designed as a holding element, which limits an approximately L-shaped cross section with the receptacle. With such a cross-sectional shape, the insertion bevel is arranged at the free end of the vertical leg. If the reinforcing bar is inserted into the depth of the receptacle, the horizontal leg represents the receiving area for the reinforcing bar in the fastening position.
  • the holding means is designed to be resilient.
  • the holding means When the reinforcing bar is inserted into the receptacle provided on the spacer, the holding means is displaced slightly to the side and thus permits insertion into the receptacle. Once this has been done, the holding means preferably secures the reinforcing bar in all directions in the receptacle of the spacer.
  • the holding means has an undercut which interacts with an undercut provided on the receptacle and preferably secures the reinforcing bar on all sides. This type of fixing the reinforcing bar keeps it in particular with play between the undercuts of the receptacle and the holding means. This enables tolerance compensation for the large-area reinforcement mesh used.
  • receptacles are formed on two spaced-apart receiving webs.
  • a spacer has a U-shape, the vertical legs being designed as receiving webs.
  • the horizontal leg represents a base plate on which the spacer can be fixed on the formwork plate.
  • the definition can be made, for example, by screwing to the formwork panel.
  • the free accessibility of the footplate ensures the mechanical assembly of the spacer.
  • the two-point fixing of the reinforcing bar achieved with spaced receiving webs leads to particularly secure fixing of the reinforcing mat or the lattice girder.
  • the holding means is expediently arranged between the receiving webs. Thus, only one holding means is required, which secures the inserted reinforcing bar on both undercuts of the receiving web.
  • the holding means has at least one, preferably two spaced legs, which are each provided with an undercut for the reinforcing bar. This will achieved a good side fixation of the inserted rebar.
  • An advantageous embodiment of the invention has two receptacles of the same design for two reinforcement bars, each of which is assigned a holding means.
  • Such a spacer is advantageously constructed axially symmetrically. A further reduction in the spacers required for a slab formwork system is achieved by the configuration according to the invention.
  • the spacer according to the invention can be made of metal or plastic. In both cases, the manufacturing effort is very low because the spacer can be manufactured in one piece.
  • the spacer shown in perspective in FIG. 1 is used with other such spacers to fix a lattice-like reinforcement mat or a lattice girder for a slab formwork system.
  • the spacers fixed at a distance from each other on the top of a formwork panel that remains as lost formwork on the ceiling after concreting.
  • Wood formwork panels are used in particular as formwork panels.
  • the spacer shown is constructed in one piece.
  • a plurality of bores 14 are provided on a base plate 11, into which fastening elements (not shown) for fixing the spacer on a formwork plate 17 can be inserted.
  • the base plate 11 has a rectangular or square outline.
  • the receiving webs 12, 13 and the base plate 11 lead to a U-shape of the spacer.
  • two receptacles 15, 16, 20, 21 with a U-shaped cross section are provided on each receiving web 12, 13.
  • the receptacles 15, 16, 20, 21 serve to fix reinforcement bars 22, 23 of a reinforcement mat or a lattice girder. Since the receptacles 15, 16, 20, 21 are basically of the same design, only the receptacle 15 on the receiving web 12 will be described in more detail. 1 and 2, the groove-shaped receptacle 15 is open to the side, while it is delimited at the top by a leg 24 of the receptacle web 12. A leg 25 arranged at a distance from the leg 24 is laterally longer than the leg 24 and is guided up to a side edge 26 of the foot plate 11. The cross section of the receptacle 15 is adapted to the diameter of the reinforcing bar 22.
  • a holding element 28, 29 is provided in the center between the receiving webs 12, 13 on the side edges 26, 27 of the foot plate 11.
  • the holding elements 28, 29 are in principle of the same design, so that only the holding element 28 is to be described in more detail.
  • the holding element 28 has a holding plate 30 arranged perpendicular to the base plate 11, on the vertical edges 33, 34 of which legs 31, 32 are provided perpendicular to the holding plate 30.
  • the holding element 28 thus has approximately U-legs in the region of the legs 31, 32.
  • the legs 31, 32 are each of the same design.
  • a funnel-shaped insertion opening 37 for the reinforcing bar 22 is delimited on the one hand by an edge 35 of the receiving web 12 and on the other hand by an edge 36 of the leg 31. It can also be seen from FIG. 2 that the two vertical edges 38, 39 of the receiving web 12 and of the leg 31 are arranged at a short distance from one another. In the area of the receptacle 15 of the receptacle web 12, the leg 31 also has an undercut 40. Thus, the reinforcement bar 22 is held with play between the vertical edges of the receptacle 15 and the leg 31.
  • the spacer shown can be made of metal or plastic. In both cases, the one-piece design ensures simple manufacture of the spacer.
  • the spacers When installing a slab formwork system, the spacers are attached to the top of the formwork panel 17. Since the bores 14 for receiving the fastening elements are easily accessible from above, the spacers can in particular be assembled mechanically. After the spacers have been applied to the formwork panel 17, the reinforcement mat or the lattice girder can be used be fixed to the spacers. For this purpose, the reinforcing bar 22 of the structural steel mat is inserted into the insertion opening 37 of the receiving webs 12, 13 from the top.
  • the holding element 28 is designed to be resilient, when the reinforcing bar 22 is inserted further it is pressed away laterally in such a way that the reinforcing bar can be inserted into the depth of the receptacle 15, 21 of the receiving webs 12, 13. In this position, the reinforcement bar 22 is held between the vertical edges of the receptacle 15 and the leg 31 of the holding element 28. Due to the hook-like undercut 40 on the holding element 28, the reinforcing bar 22 is fixed to the spacer. Slipping or snapping out of the reinforcing bar 22 from the spacer is effectively prevented.
  • the reinforcement bar 22 rests on the legs 25, 41 of the receiving webs 12 and 13.
  • the spaced-apart receiving webs 12, 13 lead to a two-point mounting of the reinforcing bar 22.
  • the holding element 28 arranged between the receiving webs 12, 13 holds the reinforcing bar 22 both in the receptacle 15 of the receiving web 12 and in the receptacle 21 of the receiving web 13 .

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Reinforcement Elements For Buildings (AREA)
EP92117608A 1991-10-18 1992-10-15 Ecarteur pour fixer une armature, en particulier un grillage d'armature ou une poutre en treillis, contre un panneau de coffrage Withdrawn EP0537728A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19914134440 DE4134440A1 (de) 1991-10-18 1991-10-18 Abstandshalter zur festlegung einer bewehrung, insbesondere einer bewehrungsmatte oder eines gittertraegers, an einer schalungsplatte
DE4134440 1991-10-18

Publications (1)

Publication Number Publication Date
EP0537728A1 true EP0537728A1 (fr) 1993-04-21

Family

ID=6442924

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92117608A Withdrawn EP0537728A1 (fr) 1991-10-18 1992-10-15 Ecarteur pour fixer une armature, en particulier un grillage d'armature ou une poutre en treillis, contre un panneau de coffrage

Country Status (2)

Country Link
EP (1) EP0537728A1 (fr)
DE (1) DE4134440A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1118730A1 (fr) * 2000-01-19 2001-07-25 Sager Ag Espaceur de renforcement positionnant des barres d'armature vis à vis d'un coffrage pour constructions de béton
AT408362B (de) * 2000-02-24 2001-11-26 Wolfgang Knotzer Abstandhalter für gitterträger
EP1830011A3 (fr) * 2006-03-03 2012-01-04 HILTI Aktiengesellschaft Support pour armature
ITRM20110287A1 (it) * 2011-06-09 2012-12-10 Giovanni Cenci "metodo per la costruzione di solaio a lastra con fondello in legno e mezzi per la sua attuazione"

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19522280A1 (de) * 1995-06-20 1997-01-02 Kunz Gmbh & Co Einrichtung zur Festlegung von Bewehrungen
DE19637379C2 (de) * 1996-09-13 1999-06-10 Buck Chem Tech Werke Verfahren zum Herstellen von doppelwandigen Wandelementen, dazu verwendete Anlage sowie danach hergestelltes Wandelemente
US8166760B2 (en) 2008-02-06 2012-05-01 Launchpoint Technologies, Inc. System and method for storing energy
AU2018206763B2 (en) * 2018-04-08 2020-06-25 Aus Chairs Pty Ltd Reinforcing Spacer

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1867096A (en) * 1931-01-07 1932-07-12 Parker Wire Goods Company Road chair
US1887890A (en) * 1930-02-07 1932-11-15 Robert R Robertson Bar support
US3378981A (en) * 1965-04-28 1968-04-23 Henry R Cooper Chair for concrete reinforcing
FR2208037A1 (fr) * 1972-11-27 1974-06-21 Rheinbau Gmbh
DE3324337A1 (de) * 1982-07-30 1984-02-09 Ernst von 5100 Aachen Fisenne Befestigungselement zur festlegung von gegenstaenden mit zylindrischer oberflaeche
WO1986004631A1 (fr) * 1985-02-01 1986-08-14 Modfix Concrete Systems Pty. Ltd. Support pour armatures de beton
DE8910691U1 (fr) * 1989-09-08 1989-11-02 Dausend, Hans-Werner, 5600 Wuppertal, De

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1758356U (de) * 1955-06-30 1957-12-19 Seifert Geb Abstandhalter fuer metalleinlagen von bauteilen aus beton.
DE7118881U (de) * 1971-05-14 1971-08-05 Wochner A Verbindungselement für Betonarmierun gen
DE2721369A1 (de) * 1977-05-12 1978-11-23 Horst Mueller Abstandshalter fuer das bewehrungsmaterial im stahlbetonbau
DE8119458U1 (de) * 1981-07-03 1981-12-17 Gebr. Seifert GmbH & Co, 5880 Lüdenscheid Speichenradfoermiger abstandhalter fuer betonbewehrungen
DE8333849U1 (de) * 1983-11-25 1984-02-23 Hammerl, Gerd Abstandhalter fuer betonbewehrungen
DE8806355U1 (fr) * 1988-05-13 1988-06-30 Niederberg-Chemie Gmbh, 4133 Neukirchen-Vluyn, De
DE9010331U1 (fr) * 1989-07-11 1990-09-20 Bucher, Franz, Dipl.-Ing., Innsbruck, At
DE9012311U1 (fr) * 1989-09-08 1990-11-29 Dausend, Hans-Werner, 5600 Wuppertal, De

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1887890A (en) * 1930-02-07 1932-11-15 Robert R Robertson Bar support
US1867096A (en) * 1931-01-07 1932-07-12 Parker Wire Goods Company Road chair
US3378981A (en) * 1965-04-28 1968-04-23 Henry R Cooper Chair for concrete reinforcing
FR2208037A1 (fr) * 1972-11-27 1974-06-21 Rheinbau Gmbh
DE3324337A1 (de) * 1982-07-30 1984-02-09 Ernst von 5100 Aachen Fisenne Befestigungselement zur festlegung von gegenstaenden mit zylindrischer oberflaeche
WO1986004631A1 (fr) * 1985-02-01 1986-08-14 Modfix Concrete Systems Pty. Ltd. Support pour armatures de beton
DE8910691U1 (fr) * 1989-09-08 1989-11-02 Dausend, Hans-Werner, 5600 Wuppertal, De

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1118730A1 (fr) * 2000-01-19 2001-07-25 Sager Ag Espaceur de renforcement positionnant des barres d'armature vis à vis d'un coffrage pour constructions de béton
AT408362B (de) * 2000-02-24 2001-11-26 Wolfgang Knotzer Abstandhalter für gitterträger
EP1830011A3 (fr) * 2006-03-03 2012-01-04 HILTI Aktiengesellschaft Support pour armature
ITRM20110287A1 (it) * 2011-06-09 2012-12-10 Giovanni Cenci "metodo per la costruzione di solaio a lastra con fondello in legno e mezzi per la sua attuazione"

Also Published As

Publication number Publication date
DE4134440A1 (de) 1993-04-22

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