EP4062003B1 - Rail d'ancrage et procédé de fabrication d'un rail d'ancrage - Google Patents

Rail d'ancrage et procédé de fabrication d'un rail d'ancrage Download PDF

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Publication number
EP4062003B1
EP4062003B1 EP21743084.2A EP21743084A EP4062003B1 EP 4062003 B1 EP4062003 B1 EP 4062003B1 EP 21743084 A EP21743084 A EP 21743084A EP 4062003 B1 EP4062003 B1 EP 4062003B1
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EP
European Patent Office
Prior art keywords
wall
rail
web
anchor
inwardly projecting
Prior art date
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Active
Application number
EP21743084.2A
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German (de)
English (en)
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EP4062003A1 (fr
Inventor
Wilhelm Jochen Peter Modersohn
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.)
Wilhelm Modersohn GmbH and Co KG
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Wilhelm Modersohn GmbH and Co KG
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Application filed by Wilhelm Modersohn GmbH and Co KG filed Critical Wilhelm Modersohn GmbH and Co KG
Publication of EP4062003A1 publication Critical patent/EP4062003A1/fr
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Classifications

    • 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
    • E04B1/4107—Longitudinal elements having an open profile, with the opening parallel to the concrete or masonry surface, i.e. anchoring rails

Definitions

  • the present invention relates to an anchor rail for fixing fasteners, having a first rail part and a second rail part, which are connected to one another and on which anchor webs are formed, with a channel-shaped receptacle between a first wall of the first rail part and a second wall of the second rail part a head section of a fastening means is formed and an inwardly projecting web is provided on the first wall and an inwardly projecting web is provided on the second wall and the inwardly projecting webs cover the edge of the channel-shaped receptacle, and a method for producing an anchor rail.
  • EP 1 764 448 A2 discloses an anchor rail in which anchor webs are formed on a first rail part, which is connected to a second C-shaped rail part in a floor area. This connection point between the two rail parts forms a weak point that can fail when fastening means are inserted into the second rail part and high forces are applied.
  • anchor rails are known ( DE 10 2008 029 838 A1 , DE 10 2018 003 160 A1 ) where the anchor rail is made from two rail parts, each rail part having anchor webs and forming a wall surrounding a channel for receiving fasteners. A bent, inwardly projecting web is formed on each wall, which can be gripped from behind by a head section of a fastening means. As a result, tensile forces can be introduced directly into the anchor webs by the fastening means via each rail part, which leads to high holding forces.
  • Such anchor rails have proven themselves, but the bending of high-strength sheet steel is problematic, especially if they are to be produced in a somewhat greater thickness. In the area of the channel-shaped receptacle, an inwardly protruding web on a wall section is bent almost at right angles, which limits the strength and thickness of the steel sheet and thus also the maximum holding forces permitted by the anchor rail.
  • a channel-shaped receptacle for a head section of a fastener is formed between a first wall and a second wall, with an inwardly projecting web being provided on each wall, which covers the edge of the channel-shaped receptacle and on the first and/or second wall compared to the inwardly projecting web, at least in sections, an outwardly projecting support web protrudes.
  • the inwardly protruding web is pivoted slightly in a direction away from the anchor rail, with deformation being limited by the outwardly protruding support web, which forms a counter bearing.
  • the outwardly protruding support web is supported on the cast material and can thus counteract a deformation of the inwardly protruding web. This also prevents deformation of the wall, which acts as a kind of flexure bearing.
  • the attachment of at least one support web thus increases the strength of the anchor rail in this area, which leads to the provision of higher holding forces.
  • a support web is preferably provided on both the first and the second wall, in particular a continuous support web which extends essentially over the same length as the web projecting inwards. This allows support over the entire length of the anchor rail. Alternatively, several sections of support webs can each be fixed to a wall.
  • the first wall, the inwardly extending web and the outwardly extending support web are preferably T-shaped in cross-section such that the first wall is substantially perpendicular to the inwardly extending web and the support web.
  • the support web can be welded to the first or second wall, for example using a laser welding process.
  • the support web is preferably formed integrally with the inwardly projecting web, so that these can be fixed to the first or second wall with great accuracy.
  • the support web and the inwardly projecting web are made of sheet metal, in particular sheet steel, which is thicker than the first and second rail parts, which are preferably also made of sheet metal, in particular sheet steel.
  • the inwardly protruding web, against which a head section of a fastening means rests can be designed to be particularly stable.
  • the inwardly protruding web is preferably at least 20% thicker, for example at least 1 mm thicker, than one of the two rail parts that form the walls.
  • the support web and the inwardly projecting web can be formed from a material of higher strength than the first and second rail part.
  • a high-strength sheet steel to produce a strip-shaped blank for the support web and the inwardly projecting web, the area subjected to forces by fastening means can be made more stable, even with the same thickness as the rail part, by selecting a suitable material.
  • the support bar and the inwardly projecting bar are preferably made from a flat steel sheet, in particular by a strip-shaped blank, this blank being connected in a central region to the first or second wall by a welded butt seam.
  • the inwardly protruding web and the supporting web can protrude from the respective wall, for example by 1 mm to 20 mm, in particular 3 mm to 12 mm.
  • the thickness of the strip-shaped blank for producing the two webs can be, for example, between 2mm and 10mm, in particular 3mm and 8mm.
  • Each rail part is preferably made from bent sheet steel.
  • the anchor webs are preferably aligned at an angle to the respective wall on the rail part.
  • the first and the second rail part can be connected to one another via welded connecting webs, as is the case, for example, in DE 10 2020 103 568 is revealed.
  • the two rail parts can also be formed integrally with each other and be made from a single blank.
  • the inwardly projecting webs each have teeth in order to be able to fix the fastening means in the longitudinal direction of the anchor rail.
  • a retaining plate can be provided with a peripheral teeth, as in the DE 10 2020 102 977 is revealed.
  • two blanks for a first and a second rail part with anchor webs are made from sheet steel and strip-shaped blanks are made from sheet steel.
  • a first blank in strip form is welded to a first wall of a first rail part and a second blank in strip form is welded to a second wall of the second rail part.
  • the two rail parts are connected to one another before or after the strip-shaped blanks are welded, in particular by welding, with a channel-shaped receptacle for a head section of a fastener being formed between the first wall and the second wall, and each strip-shaped blank on the first or second wall having a inwardly protruding web which covers the edge of the receptacle and forms an outwardly protruding support web.
  • a channel-shaped receptacle for a head section of a fastener being formed between the first wall and the second wall
  • each strip-shaped blank on the first or second wall having a inwardly protruding web which covers the edge of the receptacle and forms an outwardly protruding support web.
  • an additional component is produced by the strip-shaped blank, which is welded to a wall of a rail part.
  • the loaded area of the anchor rail can be made particularly stable by selecting the strip-shaped cut according to the mechanical requirements.
  • the welding of the first and the second strip-shaped blank is preferably carried out by laser welding, in which the material in the contact area between the strip-shaped blank and a Face of a wall of a rail part is melted.
  • the inwardly projecting web can be positioned on the first or second rail part with great accuracy.
  • a strip-shaped blank is preferably welded to an end face of the first or second wall in a central region via a butt seam, so that the strip-shaped blank protrudes from the respective wall on opposite sides.
  • An anchor rail 1 comprises two rail parts 2a and 2b, which are made of sheet metal, in particular sheet steel. Integrally formed anchor webs 3 are provided on each rail part 2a and 2b, which have a widened foot section 4 and later dip into a cast body, in particular made of concrete.
  • a recess 5 is provided on at least one part of the anchor webs 3 in order to use the web-shaped material punched out on three sides on the recess 5 to produce a connecting web 6a or 6b.
  • the connecting webs 6a and 6b are stepped at the end facing them, so that the two rail parts 2a and 2b can be fixed at a predefined distance.
  • the connecting webs 6a and 6b are preferably welded together, as in the DE 10 2020 103 568 is described.
  • first rail part 2a there is a wall 8a, and spaced from the first wall 8a is a second wall 8b integral with the second rail part 2b. Between the two walls 8a and 8b is a channel-shaped receptacle 13 for inserting a head portion of a fastener.
  • the channel-shaped receptacle 13 is delimited by the connecting webs 6a and 6b fixed to one another.
  • the anchor webs 3 are oriented at an angle to the wall 8a or 8b, preferably at an angle ⁇ , which can range between 5° and 30°.
  • a kink 9 is provided between the anchor webs 3 and the wall 8a or 8b.
  • An inwardly projecting web 10 is provided on opposite sides of the channel-shaped receptacle 13 .
  • the two inwardly protruding webs 10 cover the edge of the channel-shaped receptacle 13 and leave a slot free, through which the fastening means can be inserted with the head section into the channel-shaped receptacle 13 .
  • a tooth system 11 is formed on the inwardly projecting webs 10 in order to be able to fix the fastening means in the longitudinal direction of the anchor rail 1 .
  • the inwardly protruding webs 10 are not formed integrally with one of the rail parts 2a or 2b, but are made from a strip-shaped blank which also forms a support web 12 protruding outwards.
  • This flat blank is preferably made of a steel sheet which is connected in a central area via a welded butt seam 14 to an end face of the first wall 8a or the second wall 8b.
  • the inwardly projecting web 10 and the support web 12 thus protrude from the respective wall 8a or 8b on opposite sides.
  • FIG 3 the anchor rail 1 is shown with a fastening means 20 in the form of a hammer head screw.
  • a head portion 21 of the fastener 20 has been inserted into the channel-shaped receptacle 13 and rotated so that the head portion 21 engages behind the two webs 10 projecting inward.
  • a threaded section 22 protrudes from the head section 21 of the anchor rail 1, to which further components can be attached.
  • a retaining bracket 30 which has a protruding flange 31 on opposite sides, which can be fixed to a formwork component using fastening means, for example nails.
  • a bracket-shaped section 32 encompasses the channel-shaped receptacle 13, which is formed by the walls 8a and 8b and the connecting webs 6a and 6b is surrounded.
  • the bracket 30 can be designed as in the DE 10 2019 124 308 is described.
  • two blanks are made from sheet steel, from which the first and the second rail part with the anchor webs is formed. Furthermore, strip-shaped blanks are produced from sheet steel, which later form the inner webs 10 and the supporting webs 12 .
  • the sheet steel for the strip-shaped blank can be made thicker and/or with higher strength than the sheet steel for the rail parts.
  • the thickness of the strip-shaped blanks can be, for example, 20% greater than the thickness of the blanks made from sheet steel for the rail parts. In particular, the thickness can be more than 0.5 mm, in particular more than 1 mm.
  • a steel sheet can be selected for the strip-shaped blank, which has a higher strength than the steel sheet used to produce the rail parts.
  • a first blank is welded to a first wall 8a of the first rail part 2a and a second strip-shaped blank is welded to a second wall 8b of the second rail part 2b.
  • the welding is preferably carried out using the laser welding process, in which the material on the wall 8a or 8b in the area of the contact surface is melted to form the strip-shaped blank, with or without welding allowance.
  • the strip-shaped blank is welded on in a central area via a butt seam 14 .
  • the two rail parts 2a and 2b can be welded to one another via the connecting webs 6a and 6b, the rail parts 2a and 2b preferably being produced individually with the welded-on blanks, since these can be produced in the same way. After the welding has been produced, the rail parts 2a and 2b can then be welded to one another via the connecting webs 6a and 6b.
  • the connecting webs 6a and 6b are made of material that is provided by making a recess 5 on the anchor webs 3 . It is of course also possible to connect the rail parts 2a and 2b to one another by means of connecting webs which are produced at a different position from the blank for the rail parts 2a and 2b. In addition, separate connecting webs made of a different material be used to connect the two rail parts 2a and 2b. In a further alternative, the rail parts 2a and 2b can also be produced in one piece.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Joining Of Building Structures In Genera (AREA)
  • Forging (AREA)
  • Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
  • Control Of Metal Rolling (AREA)
  • Curtains And Furnishings For Windows Or Doors (AREA)
  • Braking Arrangements (AREA)
  • Underground Structures, Protecting, Testing And Restoring Foundations (AREA)

Claims (14)

  1. Rail d'ancrage (1) pour la fixation de moyens de fixation (20) avec une première partie de rail (2a) et une deuxième partie de rail (2b) qui sont reliées l'une à l'autre et sur lesquelles sont formées des nervures d'ancrage (3), dans lequel un logement (13) en forme de goulotte est formé entre une première paroi (8a) de la première partie de rail (2a) et une deuxième paroi (8b) de la deuxième partie de rail (2b) pour une partie de tête (21) d'un moyen de fixation (20) et une nervure en saillie vers l'intérieur (10) est formée sur la première paroi (8a) et une nervure en saillie vers l'intérieur (10) sur la deuxième paroi (8b) et les nervures en saillie vers l'intérieur (10) couvrent le logement (13) en forme de goulotte sur les bords, caractérisé en ce qu'une nervure d'appui en saillie vers l'extérieur (12) dépasse au moins par sections sur la première paroi (8a) et/ou la deuxième paroi (8b) par rapport à la nervure en saillie vers l'intérieur (10).
  2. Rail d'ancrage selon la revendication 1, caractérisé en ce qu'une nervure d'appui (12) continue en saillie vers l'extérieur est prévue sur la première paroi et la deuxième (8a, 8b).
  3. Rail d'ancrage selon la revendication 1 ou 2, caractérisé en ce que la première paroi (8a), la nervure en saillie vers l'intérieur (10) et la nervure d'appui en saillie vers l'extérieur (12) ont une section sensiblement en forme de T.
  4. Rail d'ancrage selon l'une des revendications précédentes, caractérisé en ce que la nervure d'appui (12) est soudée sur la première paroi ou la deuxième (8a, 8b).
  5. Rail d'ancrage selon l'une des revendications précédentes, caractérisé en ce que la nervure d'appui (12) est formée d'un seul tenant avec la nervure en saillie vers l'intérieur (10).
  6. Rail d'ancrage selon la revendication 5, caractérisé en ce que la nervure d'appui (12) et la nervure en saillie vers l'intérieur (10) sont plus épaisses que la première partie de rail et la deuxième (2a, 2b), de préférence plus épaisses d'au moins 20 %.
  7. Rail d'ancrage selon la revendication 5 ou 6, caractérisé en ce que la nervure d'appui (12) et la nervure en saillie vers l'intérieur (10) sont faites d'un matériau plus solide que la première partie de rail et la deuxième (2a, 2b).
  8. Rail d'ancrage selon l'une des revendications précédentes, caractérisé en ce que la nervure d'appui (12) et la nervure en saillie vers l'intérieur (10) sont fabriquées à partir d'une tôle d'acier plate qui est assemblée dans une zone avec la première paroi ou la deuxième (8a, 8b) par un joint de soudure bout à bout (14).
  9. Rail d'ancrage selon l'une des revendications précédentes, caractérisé en ce que chaque partie de rail (2a, 2b) est faite d'une tôle d'acier pliée.
  10. Rail d'ancrage selon l'une des revendications précédentes, caractérisé en ce que la première partie de rail et la deuxième (2a, 2b) sont reliées l'une à l'autre par des nervures d'assemblage (6a, 6b) soudées les unes aux autres.
  11. Rail d'ancrage selon l'une des revendications précédentes, caractérisé en ce qu'une denture (11) est formée sur chacune des nervures en saillie vers l'intérieur (10).
  12. Procédé pour la fabrication d'un rail d'ancrage (1) pour la fixation de moyens de fixation (20), comprenant les étapes suivantes :
    - création de deux découpes pour une première partie de rail et une deuxième (2a, 2b) avec des nervures d'ancrage (3) faites d'une tôle d'acier ;
    - création de découpes en forme de bande à partir d'une tôle d'acier ;
    - soudage d'une première découpe en forme de bande sur une première paroi (8a) d'une première partie de rail (2a) ;
    - soudage d'une découpe en forme de bande sur une deuxième paroi (8b) de la deuxième partie de rail (2b), et
    - assemblage de la première partie de rail (2a) avec la deuxième partie de rail (2b), en formant entre la première paroi (8a) et la deuxième paroi (8b) un logement (13) en forme de goulotte pour une partie de tête (21) d'un moyen de fixation (20), chaque découpe en forme de bande formant sur la première paroi et la deuxième (8a, 8b) une nervure en saillie vers l'intérieur (10) qui couvre le logement (13) sur son bord et une nervure d'appui (12) en saillie vers l'extérieur.
  13. Procédé selon la revendication 12, caractérisé en ce que le soudage de la première découpe en forme de bande et de la deuxième est réalisé par soudage par laser.
  14. Procédé selon la revendication 12 ou 13 caractérisé en ce qu'une découpe en forme de bande est soudée au milieu de la face frontale de la première paroi et de la deuxième (8a, 8b) par-dessus une soudure bout à bout (14).
EP21743084.2A 2020-08-06 2021-07-06 Rail d'ancrage et procédé de fabrication d'un rail d'ancrage Active EP4062003B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102020120750.6A DE102020120750A1 (de) 2020-08-06 2020-08-06 Ankerschiene und Verfahren zur Herstellung einer Ankerschiene
PCT/EP2021/068684 WO2022028799A1 (fr) 2020-08-06 2021-07-06 Rail d'ancrage et son procédé de fabrication

Publications (2)

Publication Number Publication Date
EP4062003A1 EP4062003A1 (fr) 2022-09-28
EP4062003B1 true EP4062003B1 (fr) 2023-01-25

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP21743084.2A Active EP4062003B1 (fr) 2020-08-06 2021-07-06 Rail d'ancrage et procédé de fabrication d'un rail d'ancrage

Country Status (15)

Country Link
US (1) US20220412073A1 (fr)
EP (1) EP4062003B1 (fr)
JP (1) JP2023535660A (fr)
KR (1) KR20230047947A (fr)
AU (1) AU2021322640B2 (fr)
CA (1) CA3165222A1 (fr)
DE (1) DE102020120750A1 (fr)
DK (1) DK4062003T3 (fr)
ES (1) ES2943015T3 (fr)
FI (1) FI4062003T3 (fr)
HU (1) HUE061975T2 (fr)
IL (1) IL296079A (fr)
LT (1) LT4062003T (fr)
PL (1) PL4062003T3 (fr)
WO (1) WO2022028799A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102022101225A1 (de) 2022-01-19 2023-07-20 Wilhelm Modersohn Gmbh & Co Kg Befestigungsvorrichtung, Verfahren zur Montage einer Ankerschiene in einem Baukörper und Baukörper

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE532717C (de) * 1931-09-03 Arnold Gruen Dipl Ing Geschlitzte Ankerschiene mit Verankerungsbuegeln fuer Eisenbetonbauten
US3123978A (en) * 1964-03-10 H-beam pile cutter and combination with h-beam pile
US1710422A (en) * 1924-03-22 1929-04-23 Kehm August Support
US1708091A (en) * 1927-06-08 1929-04-09 John A Healy Insert
US2062802A (en) * 1936-01-07 1936-12-01 David V Walker Display appliance
US2844864A (en) * 1955-01-10 1958-07-29 Smith Corp A O Method of making i-beams for vehicle frames
US2820645A (en) * 1955-01-10 1958-01-21 Smith Corp A O X-member vehicle frame
US3487518A (en) * 1965-08-12 1970-01-06 Henry Hopfeld Method for making a reinforced structural member
US4034957A (en) * 1976-02-17 1977-07-12 Symons Corporation Concrete formwork including I-beam support
DE10306511B3 (de) * 2003-02-14 2004-07-22 Deutsche Kahneisen Gesellschaft Mbh Verfahren zur Herstellung einer Ankerschiene für die Bautechnik und Ankerschiene für die Bautechnik
WO2006017552A2 (fr) * 2004-08-02 2006-02-16 Tac Technologies, Llc Organes structurels manufactures et leurs procedes de construction
GB2430206B (en) 2005-09-16 2007-09-12 Laing O Rourke Plc Fixing embedments in reinforced concrete
DE102008029838A1 (de) 2008-06-25 2009-12-31 Wilhelm Modersohn Gmbh & Co Kg Ankerschiene
US20100101175A1 (en) * 2008-10-27 2010-04-29 Mitek Holdings, Inc. Locking concrete insert
US20110108530A1 (en) * 2009-11-06 2011-05-12 Martin Andrew V System and method for welding
DE102018003160A1 (de) 2018-04-17 2019-10-17 Wilhelm Modersohn Gmbh & Co Kg Ankerschiene
DE102019124308A1 (de) 2019-09-10 2021-03-11 Wilhelm Modersohn Gmbh & Co Kg Verankerungselement und Verfahren zur Montage einer Ankerschiene in einem Baukörper aus Beton
DE102020102977A1 (de) 2020-02-05 2021-08-05 Wilhelm Modersohn Gmbh & Co Kg Befestigungsvorrichtung, Montageeinheit und Verfahren zur Montage einer Hammerkopfschraube an einer Ankerschiene
DE102020103568A1 (de) 2020-02-12 2021-08-12 Wilhelm Modersohn Gmbh & Co Kg Ankerschiene und Verfahren zur Herstellung einer Ankerschiene

Also Published As

Publication number Publication date
AU2021322640B2 (en) 2022-11-17
AU2021322640A1 (en) 2022-06-30
WO2022028799A1 (fr) 2022-02-10
CA3165222A1 (fr) 2022-02-10
PL4062003T3 (pl) 2023-05-29
DE102020120750A1 (de) 2022-02-10
JP2023535660A (ja) 2023-08-21
ES2943015T3 (es) 2023-06-08
FI4062003T3 (fi) 2023-05-02
EP4062003A1 (fr) 2022-09-28
DK4062003T3 (da) 2023-04-24
LT4062003T (lt) 2023-04-25
US20220412073A1 (en) 2022-12-29
HUE061975T2 (hu) 2023-09-28
IL296079A (en) 2022-11-01
KR20230047947A (ko) 2023-04-10

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