EP2664732B1 - Douille destinée à être fixée à une barre d'armature et moulage dans une structure en béton - Google Patents

Douille destinée à être fixée à une barre d'armature et moulage dans une structure en béton Download PDF

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Publication number
EP2664732B1
EP2664732B1 EP13167509.2A EP13167509A EP2664732B1 EP 2664732 B1 EP2664732 B1 EP 2664732B1 EP 13167509 A EP13167509 A EP 13167509A EP 2664732 B1 EP2664732 B1 EP 2664732B1
Authority
EP
European Patent Office
Prior art keywords
fixture
socket
clamp
threaded
rebar
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.)
Active
Application number
EP13167509.2A
Other languages
German (de)
English (en)
Other versions
EP2664732A3 (fr
EP2664732A2 (fr
Inventor
Roger Golaub
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.)
Honeywell International Inc
Original Assignee
Honeywell International Inc
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 Honeywell International Inc filed Critical Honeywell International Inc
Publication of EP2664732A2 publication Critical patent/EP2664732A2/fr
Publication of EP2664732A3 publication Critical patent/EP2664732A3/fr
Application granted granted Critical
Publication of EP2664732B1 publication Critical patent/EP2664732B1/fr
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Anticipated expiration legal-status Critical

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Classifications

    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04GSCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/14Conveying or assembling building elements
    • E04G21/16Tools or apparatus
    • E04G21/18Adjusting tools; Templates
    • E04G21/1841Means for positioning building parts or elements
    • E04G21/185Means for positioning building parts or elements for anchoring elements or elements to be incorporated in the structure
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/38Connections for building structures in general
    • E04B1/41Connecting devices specially adapted for embedding in concrete or masonry
    • E04B1/4114Elements with sockets
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/38Connections for building structures in general
    • E04B1/41Connecting devices specially adapted for embedding in concrete or masonry
    • E04B2001/4192Connecting devices specially adapted for embedding in concrete or masonry attached to concrete reinforcing elements, e.g. rods or wires
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F11/00Stairways, ramps, or like structures; Balustrades; Handrails
    • E04F11/18Balustrades; Handrails
    • E04F11/181Balustrades
    • E04F11/1812Details of anchoring to the wall or floor

Definitions

  • a cylindrical steel socket is cast into a concrete structure, such as a precast structural component and is used to support an edge protection system via posts that are received into the socket to extend therefrom while supporting a mesh barrier or other containment structure.
  • edge protection systems including the cylindrical steel socket, are designed to comply with certain industry standards, such as, for example, European Standard for edge protection EN 13374. While such fixtures work well for their intended purpose, there is always room for improvement.
  • French Patent Application 2543481 discloses a concrete anchoring device incorporating a spiral and a fitting tube inside the formwork assembly. According to the invention, secondary reinforcement elements are attached, by means of a plate, to the fitting tube which is itself screwed inside the spiral, the reinforcement elements being connected to the main reinforcement.
  • French Patent 2574697 provides an addition to this that includes a fastening piece in the general shape of a "V" having in each of its lateral surfaces of the grooves substantially helical to match pitch of the spiral, and openings to accept the attachment of additional reinforcements.
  • German Patent 27694 provides a round, cylindrical or conical shank of a short stub which has at its upper end with an eyelet for receiving a carrying rope of a hoist.
  • a fixed or detachable connecting element At the lower end of the shaft is a fixed or detachable connecting element, which is intended for the releasable fastening of the anchoring element.
  • This anchoring element is usually made of a steel plate with a corresponding connection option on the connecting element above.
  • the releasable part is formed of concrete repellent material or coated with oil.
  • Japanese Patent 2007009411 provides a fixture according to the preamble of claim 1.
  • International Patent Application WO96/21065 provides an insert for a concrete structure, comprising a T shaped slotted support member.
  • the end caps of the member not only cover the ends of a channel but have extensions beyond the t shaped end of the channel to define a recess for supporting steel reinforcing bars parallel to the channel in the insert.
  • a fixture for casting into a concrete structure including reinforcement bars (rebar), according to claim 1.
  • the socket has a cylindrical interior surface.
  • the socket has a cylindrical exterior surface.
  • the socket is provided in the form of a cylindrical-shaped metal tube.
  • the clamp includes a hook shaped to engage around a rebar.
  • the hook is mounted to the fixture to translate relative to the socket.
  • the hook includes a threaded shank or shaft.
  • the fixture includes a clamp mount bracket fixed to the socket, the clamp mount bracket including an opening for receiving the threaded shank of the hook.
  • the opening is a threaded opening configured to threadably engage the threaded shank of the hook.
  • the shank of the hook is slidably received in the opening of the clamp mount bracket and the fixture includes a threaded nut threadably engaged with the threaded shank of the hook and abutted against the clamp mount bracket.
  • the fixture further includes at least one surface extending from the socket for engagement against a rebar.
  • the fixture includes an annular flange defining the at least one surface, the flange fixed to an end of the socket adjacent the clamp.
  • the fixture includes at least one catch plate defining the at least one surface, the at least one catch plate fixed to an end of the socket adjacent the clamp.
  • the catch plate includes a pair of feet extending from the socket on opposite sides of the hook.
  • the catch plate and the clamp mount bracket are formed from a single piece of material.
  • a construction component or fixture 10 is shown as cast into a reinforced concrete structure 12 including a grid of rebar 14, with a portion of the concrete being removed to expose a forward half of the fixture 10 and portions of the rebar 14 and with the remainder of the fixture 10 and the rebar 14 within the concrete of the structure 12 being shown in phantom.
  • the fixture 10 includes a socket 16 and a clamp 18 configured to sandwich a rebar 14 against the fixture 10 to position the socket 16 relative to the rebar 14 prior to casting the fixture 10 and the rebar 14 into the concrete structure 12.
  • the socket 16 is configured to receive another construction component or fixture, such as, for example, a post (not shown) that can in turn support a mesh barrier or other containment structure for an edge protection system.
  • a post not shown
  • an array of the fixtures 10 can be connected to the rebar 14 to provide support for a series of posts in the concrete structure 12, such as a linear array of fixtures 10 to support a linear array of posts with a mesh barrier extending from post to post.
  • the illustrated socket 16 is provided in the form of a cylindrical-shaped metal tube 20 centered on a longitudinal axis 21 and having a cylindrical interior surface 22 and a cylindrical exterior surface 24, with the interior surface 22 sized to receive the cylindrical exterior surface of a cylindrical post or the cylindrical outer surface of a plastic sleeve which in turn has a cylindrical interior surface to receive a cylindrical post.
  • the clamp 18 includes a hook 26 shaped to engage around the rebar 14, with the hook 26 being mounted to the fixture 10 to translate along the axis 21 relative to the socket 16, as illustrated by arrows A in Figs. 3 and 4 .
  • the fixture 10 includes a clamp mount bracket 28 fixed to the socket 16 by any suitable means, such as, for example, via welding or other suitable bonding to the interior surface 22 of the socket 16 as shown at 29 in Figs. 3 and 4 .
  • the mount bracket 28 includes an opening 30 for receiving a shank or shaft 32 of the hook 26 to guide the hook 26 for translation along the axis 21.
  • the shank 32 has external threads (shown diagrammatically at 34) that mate with internal threads (shown diagrammatically at 36) in the opening 30 so that relative rotation between the hook 26 and the socket 16 will cause the hook 26 to translate along the axis 21 relative to the socket 16.
  • the hook 26 is a two piece fabrication, with a U-shaped, rebar receiving portion 40 having a threaded bolt 42 extending through an upper leg 43 of the portion 40 to define the threaded shank 32, and the U-shaped portion 40 and the bolt 42 being bonded by any suitable means, such as, for example, by welding or brazing.
  • FIG. 5 illustrates an alternate embodiment of the hook 26 wherein the shank 32 is provided in the form of a threaded stud 44 extending upwardly from the U-shaped portion 40, with the threaded stud and the U-shaped portion either being machined from a single piece of material or joined together by any suitable means of bonding, such as, for example, via welding.
  • the U-shaped portion 40 can be provided with a lower leg 46 having a slightly V-shaped configuration to somewhat conform to the rebar 14.
  • the fixture 10 is installed onto a rebar 14 with the clamp 18 in an open condition spaced from the rebar 14, as shown in Fig.
  • the socket 16 is rotated (as shown by arrow B) relative to the hook 26 and the rebar 14 to tighten the clamp 18 by translating the hook 26 along the axis 21 via the mating action of the threads 34,36 to create clamping forces against the rebar 14, as shown by arrows C in Fig. 4 .
  • Figs. 6-33 show several alternate embodiments for the fixture 10, with like reference numbers indicating like components in the drawings.
  • Figs. 6-13 illustrate an embodiment according to the invention of the fixture 10 that differs in a number of ways from the embodiment shown in Figs. 1-5 .
  • the fixture 10 of Figs. 6-13 includes a pair of catch plates 50 defining surfaces 52 and/or 54 extending from the socket 16 for engagement with the rebar 14.
  • the catch plates 50 are provided in the form of a pair of feet 56 extending forward laterally from an end 58 of the socket 16 adjacent the hook 26, with each of the feet 56 having a pair of flanges 60 that serve to strengthen the feet 56.
  • the hook 26 is formed from a single piece of material 57 having a generally circular cross section, with the single piece of material defining both the U-shaped portion 40 and the shank 32, with the U-shaped portion 40 being semicircular in shape for engagement with the rebar 14.
  • the catch plates 50 are a unitary, single piece construction that includes the clamp mount bracket 28 and can be formed using any suitable method, such as via stamping, forging, or machining from a single piece of material. Rather than the opening 30 being threaded as in the embodiment of Figs. 1-5 , the opening 30 in the embodiment of Figs.
  • the fixture 10 further includes a threaded nut 62 having internal threads 36 that mate with the external threads 34 of the shank 32.
  • the clamp 18 is installed in the open condition and the nut 62 is rotated relative to the socket 16 and the hook 26 to translate the hook 26 to the closed condition in engagement with the rebar 14 via the action of the mating threads 34,36.
  • Figs. 14-18 illustrate another embodiment of the fixture 10 that is very similar to the embodiment shown in Figs. 6-13 except that the feet 56 are provided with a single flange 60 rather than a pair of flanges 60.
  • Figs. 19-21 illustrate another embodiment that differs from the embodiments of Figs. 6-18 in that the feet 56 have a primarily vertically extending cross section, rather than a primarily horizontally extending cross section as in the embodiments of Figs. 6-18 .
  • Figs. 22-24 illustrate another embodiment of the fixture 10 that is very similar to the embodiments shown in Figs. 6-21 except that, in the embodiment of Figs. 22-24 , the catch plates 50 do not include feet 56 that extend in a laterally forward direction from the socket 16.
  • Figs. 25-28 illustrate another alternate embodiment of the fixture 10 that differs from the embodiments of Figs. 6-24 in that the embodiment of Figs. 25-28 includes an annular flange 64 fixed to the end 58 of the socket 16 to define the surface 54 for engaging the rebar 14, rather than including the catch plates 50. Additionally, the mount bracket 28 is a separate component from the annular flange 64.
  • Figs. 29-33 illustrate yet another embodiment of the fixture 10 that differs from the embodiment of Figs. 25-28 in that a pair of catch plates 68 are fixed to the sides of the socket 16 to extend in a laterally forward direction therefrom to define the surfaces 52,54, rather than having an annular flange 64 as in the embodiment of Figs. 25-28 .
  • the catch plates 68 have a primarily vertical cross-section, but differ in that they provide a pair of curved surfaces 52,54 for engagement with the rebar 14 rather than flat surfaces 52.
  • the fixture 10 can be attached directly to the rebar 14 and thereby benefit from the strength of the steel rebar in addition to the strength of the surrounding concrete in the concrete structure 12. Further, it should be appreciated that by minimizing the parts extending from the socket 16, the fixture 10 can be packaged with relative ease and with a significant density of the fixtures 10 in each packing container, thereby optimizing the transportation of the fixtures 10 before assembly into a concrete structure 12. It should be further appreciated that by providing the clamp 18 to directly attach the fixture 10 to the rebar 14, the fixture 10 doesn't require any additional tying of the fixture 10 to the rebar, thereby reducing labor costs and materials in comparison to conventional fixtures 10.
  • the fixture 10 can be mounted to the rebar 14 to extend normal from the rebar 14 without any additional effort other than tightening of the clamp 26. It should also be appreciated that because the fixture 10 attaches directly to the rebar 14, the fixture 10 is self-regulating with respect to the concrete cover provided for the fixture 10 in the finished concrete structure 12, without requiring additional spacers as in conventional fixtures.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Mechanical Engineering (AREA)
  • Reinforcement Elements For Buildings (AREA)
  • Joining Of Building Structures In Genera (AREA)

Claims (10)

  1. Ferrure (10) à couler dans une structure en béton (12) comprenant des barres de renforcement (14), la ferrure (10) comprenant:
    une douille (16) pour recevoir un composant de construction ou une autre ferrure;
    une pince (18) configurée de manière à coincer une barre de renforcement (14) contre la ferrure (10) afin de positionner la douille (16) par rapport à la barre de renforcement (14) avant de couler la ferrure (10) et la barre de renforcement (14) dans une structure en béton (12),
    caractérisée en ce que la pince comprend:
    un crochet (26) configuré de manière à s'engager autour d'une barre de renforcement (14);
    une tige filetée (32) qui s'étend à partir du crochet (26); et
    une caractéristique filetée (36) engagée avec la tige filetée (32) afin de déplacer le crochet (26) par rapport au reste de la ferrure (10); et
    une console de montage de pince (28) fixée à la douille (16), la console de montage de pince (28) comportant une ouverture (30) destinée à recevoir la tige filetée (32),
    dans laquelle la tige filetée (32) et le crochet (26) sont formés à partir d'une seule pièce de matériau (57).
  2. Ferrure (10) selon la revendication 1, dans laquelle la douille (16) présente au moins une parmi une surface intérieure cylindrique (22) et une surface extérieure cylindrique (24).
  3. Ferrure (10) l'une quelconque des revendications 1 ou 2, dans laquelle la douille (16) est prévue sous la forme d'un tube métallique de forme cylindrique (20).
  4. Ferrure (10) la revendication 1, dans laquelle la caractéristique filetée (36) est prévue sous la forme de l'ouverture (30) qui est une ouverture filetée (30) configurée de manière à engager la tige filetée (32) par vissage.
  5. Ferrure (10) selon la revendication 1, dans laquelle la tige (32) est reçue de façon coulissante dans l'ouverture (30) de la console de montage de pince (28), et la ferrure (10) comprend en outre un élément fileté (62) qui définit la caractéristique filetée (36) engagée par vissage avec la tige filetée (32) et butant contre la console de montage de pince (28).
  6. Ferrure (10) selon l'une quelconque des revendications précédentes, comprenant en outre au moins une surface (52, 54) qui s'étend à partir de la douille (16) for s'engager contre une barre de renforcement (14).
  7. Ferrure (10) selon la revendication 6, comprenant en outre au moins une plaque d'arrêt (50) qui définit ladite au moins une surface (52, 54), ladite au moins une plaque d'arrêt (50) étant fixée à une extrémité (58) de la douille (16) adjacente à la pince (18).
  8. Ferrure (10) selon la revendication 7, dans laquelle la plaque d'arrêt (50) comprend une paire de pieds (56) qui s'étendent à partir de la douille (16) sur des côtés opposés de la pince (18).
  9. Ferrure (10) selon la revendication 8, dans laquelle au moins un pied de la paire de pieds (56) comprend au moins une aile de raidissement (60) qui s'étend le long dudit au moins un pied de la paire de pieds (56).
  10. Ferrure (10) l'une quelconque des revendications 7, 8 ou 9, dans lequel la plaque d'arrêt (50) et la console de montage de pince (28) sont formées à partir d'une seule pièce de matériau (57).
EP13167509.2A 2012-05-16 2013-05-13 Douille destinée à être fixée à une barre d'armature et moulage dans une structure en béton Active EP2664732B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US201261648001P 2012-05-16 2012-05-16

Publications (3)

Publication Number Publication Date
EP2664732A2 EP2664732A2 (fr) 2013-11-20
EP2664732A3 EP2664732A3 (fr) 2014-11-05
EP2664732B1 true EP2664732B1 (fr) 2017-04-19

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Application Number Title Priority Date Filing Date
EP13167509.2A Active EP2664732B1 (fr) 2012-05-16 2013-05-13 Douille destinée à être fixée à une barre d'armature et moulage dans une structure en béton

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EP (1) EP2664732B1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3085981B1 (fr) * 2018-09-17 2021-10-22 Somain Securite Dispositif de fixation d'un poteau sur un grillage
CN114633063B (zh) * 2022-03-30 2023-06-13 阿博机器人(昆山)有限公司 Lp墙体构件焊接台模

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE712169A (fr) * 1968-03-14 1968-09-16
FR2574697A2 (fr) * 1983-03-31 1986-06-20 Laroche Francis Dispositif d'ancrage
WO1996021065A1 (fr) * 1995-01-06 1996-07-11 The Burke Group Structure en beton ayant un element d'insertion pour transferer des charges et procede de realisation
JP2007009411A (ja) * 2005-06-02 2007-01-18 Toshihisa Ebara アンカーボルトの位置保持用金具及び位置固定構造,それを利用した鉄骨柱の建て方方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD27694A (fr) *
FR2543481B1 (fr) * 1983-03-31 1986-03-14 Francis Laroche Dispositif d'ancrage dans le beton

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE712169A (fr) * 1968-03-14 1968-09-16
FR2574697A2 (fr) * 1983-03-31 1986-06-20 Laroche Francis Dispositif d'ancrage
WO1996021065A1 (fr) * 1995-01-06 1996-07-11 The Burke Group Structure en beton ayant un element d'insertion pour transferer des charges et procede de realisation
JP2007009411A (ja) * 2005-06-02 2007-01-18 Toshihisa Ebara アンカーボルトの位置保持用金具及び位置固定構造,それを利用した鉄骨柱の建て方方法

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Publication number Publication date
EP2664732A3 (fr) 2014-11-05
EP2664732A2 (fr) 2013-11-20

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