FI128866B - Arrangement of wire loop and base and method for attaching wire loop to base - Google Patents

Arrangement of wire loop and base and method for attaching wire loop to base Download PDF

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Publication number
FI128866B
FI128866B FI20185794A FI20185794A FI128866B FI 128866 B FI128866 B FI 128866B FI 20185794 A FI20185794 A FI 20185794A FI 20185794 A FI20185794 A FI 20185794A FI 128866 B FI128866 B FI 128866B
Authority
FI
Finland
Prior art keywords
fastener
base
flange section
opening
wire loop
Prior art date
Application number
FI20185794A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI20185794A1 (en
Inventor
Jakub Mecar
Original Assignee
Peikko Group Oy
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 Peikko Group Oy filed Critical Peikko Group Oy
Priority to FI20185794A priority Critical patent/FI128866B/en
Priority to EP19184354.9A priority patent/EP3626911A1/en
Publication of FI20185794A1 publication Critical patent/FI20185794A1/en
Application granted granted Critical
Publication of FI128866B publication Critical patent/FI128866B/en

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/14—Conveying or assembling building elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B23/00—Arrangements specially adapted for the production of shaped articles with elements wholly or partly embedded in the moulding material; Production of reinforced objects
    • 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
    • E04B1/02—Structures consisting primarily of load-supporting, block-shaped, or slab-shaped elements
    • E04B1/04—Structures consisting primarily of load-supporting, block-shaped, or slab-shaped elements the elements consisting of concrete, e.g. reinforced concrete, or other stone-like material
    • E04B1/043—Connections specially adapted therefor
    • E04B1/046—Connections specially adapted therefor using reinforcement loops protruding from the elements
    • 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
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/20—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of concrete, e.g. reinforced concrete, or other stonelike material
    • E04B1/21—Connections specially adapted therefor
    • 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
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
    • 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
    • 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
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G15/00—Forms or shutterings for making openings, cavities, slits, or channels
    • E04G15/04—Cores for anchor holes or the like around anchors embedded in the concrete
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/12—Mounting of reinforcing inserts; Prestressing
    • E04G21/125—Reinforcement continuity box
    • E04G21/126—Reinforcement continuity box for cable loops

Abstract

The disclosure relates to an arrangement of a wire loop (2) and a base (3), comprising a fastener (1); a wire loop (2) connected to the fastener (1); and a base (3) having an opening (31) for allowing the fastener (1) to penetrate the base (3) through the opening (31), wherein the fastener (1) is attached to the base (3) by a bayonet mount between the fastener (1) and the base (3). The disclosure relates also to a method for attaching a wire loop (2) to a base (3), comprising the steps of providing a wire loop arrangement comprising a fastener (1) and a wire loop (2) connected to the fastener (1), wherein the fastener (1) has a body (10) having at least partially circular shape, the fastener (1) comprises at least one first lange section (11) protruding radially from the body (10), and the fastener (1) comprises at least one second flange section (12) protruding radially from the body (10) and arranged at a distance from the first flange section (11); providing a base (3) having a form of a sheet and comprising an opening (31) for allowing the fastener (1) to penetrate the base (3) through the opening (31), the opening (31) having a such a shape that allows the passage of the first flange section (11) through the opening (31) only in a certain rotational position or in certain rotational positions while the passage of the second flange section (12) through the opening (31) is prevented; aligning the fastener (1) with the hole so that thefastener (1) is in the certain rotational position or in one of the certain rotational positions; inserting the aligned fastener (1) partially through the opening (31) so that the first flange section (11) and the at least one second flange section (12) are at different sides of the base (3); and rotating the fastener (1) inserted partially through the opening (31) in relation to the base (3) for moving the first flange section (11) off from the certain rotational position or one of the certain rotational positions.

Description

ARRANGEMENT OF WIRE LOOP AND BASE AND METHOD FOR ATTACHING WIRE LOOP TO BASE
FIELD OF THE DISCLOSURE The present disclosure relates to wire loops, and particularly to attaching wire loop to a base.
BACKGROUND OF THE DISCLOSURE Wire loops are used for connecting two precast concrete construction elements to each other. Document WO 96/31671 A1 discloses a support device for at least one elastically deformable securing element such as a wire cable loop, for securing building components such as precast concrete parts, in particular as a concrete connection for section concreting. The device is provided with at least one support box and means for bending the securing element and means for positioning the securing element in relation to the support box. The bending means comprise at least two bending stops and a counter stop. In order to simplify handling, specifically the assembly of such a support device, at least one moulded element is provided which serves as a positioning means and has a bending stop. This moulded element is or can be clicked into the support box in a way which makes it angularly rigid. The bending stop of the moulded element counteracts any bending forces which arise, at least parallel to the surface of the component to be secured. The support box can hold one part of the elastically deformable securing element until the component can be stripped of the outer shell. Document WO 98/03751 A1 discloses a device for assembling prefabricated concrete parts has a cable loop anchored at one end to the prefabricated concrete part. The other loop-like end cooperates with a retaining means provided at the front face of the o 25 prefabricated concrete part to elastically bend the cable loop approximately at right angle > during the fabrication of the prefabricated concrete part, and to release it for assembling. 2 An elongated, U-shaped box having a substantially uniform cross-section is provided as © retaining means. The bottom of the box has one or several passages for the cable loop and means arranged in the area of the passages to retain the cable loop perpendicularly S 30 to the longitudinal extension of the box. 3 Document WO 2009/012827 A1 discloses a rail for accommodating cable loops for = connecting prefabricated parts, comprising a rail with a U-shaped profile which has a base N plate and two angled side plates, with apertures in the base plate of the U-shaped profile for the through-passage of cable loops and with a surface structure which is intended to improve the grip in the prefabricated part and is in the form of projecting and/or set-back wall portions in the base plate and/or on the side walls of the U-shaped profile, and to a method of connecting precast elements with the aid of corresponding rails. In order to configure the connection between precast elements in order to absorb relatively high loads, the invention proposes that the surface structure at least in the base plate of the U- shaped profile, in addition to the apertures for cable loops, has at least one cavity, of which the cross-sectional surface area as measured in the plane of the base plate is at least 4 cm? and the minimum length, width and depth dimensions are each at least 1 cm.
BRIEF DESCRIPTION OF THE DISCLOSURE An object of the present disclosure is to provide an alternative to the known solution. The object of the disclosure is achieved by an arrangement and a method which are characterized by what is stated in the independent claims. The preferred embodiments of the disclosure are disclosed in the dependent claims. The disclosure is based on the idea of attaching a fastener carrying the wire loop to a base with a bayonet mount. An advantage of arrangement and the method of the disclosure is that the bayonet mount allows easier detaching of the fastener from the base, if this is desired.
BRIEF DESCRIPTION OF THE DRAWINGS In the following the disclosure will be described in greater detail by means of preferred embodiments with reference to the accompanying drawings, in which Figure 1 is a schematic angled view of an arrangement according to an embodiment of the disclosure; Figure 2 is a schematic angled view of a fastener usable in an arrangement according to = an embodiment of the disclosure;
N o 25 Figure 3 is a schematic angled view of a fastener usable in an arrangement according to
O © an embodiment of the disclosure; I Figure 4 is a schematic angled view of a fastener usable in an arrangement according to = an embodiment of the disclosure; + o 5 Figure 5 is a schematic side view of a fastener usable in an arrangement according to an 0 5 30 embodiment of the disclosure;
N Figure 6 is a schematic angled view of a fastener usable in an arrangement according to an embodiment of the disclosure;
Figure 7 is a schematic angled view of an arrangement according to an embodiment of the disclosure; and Figure 8 is a schematic angled view of an arrangement in a detached state according to an embodiment of the disclosure.
DETAILED DESCRIPTION OF THE DISCLOSURE Arrangement The disclosure relates to an arrangement of a wire loop 2 and a base 3. The arrangement comprises a fastener 1. For example, the fastener 1 is made of plastic. The arrangement comprises a wire loop 2 connected to the fastener 1. In this case, wire loop means a loop made of a wire rope. The ends of the wire loop 2 are preferably attached to each other. The wire loop 2 can be used for joining precast concrete construction elements. The arrangement comprises a base 3. Preferably, the base 3 has a form of a sheet. For example, the base is a part of a wire loop box or a wire loop rail arranged to be cast partially into a precast concrete construction element. The base 3 has an opening 31 for allowing the fastener 1 to penetrate the base 3 through the opening 31. The fastener 1 is attached to the base 3 by a bayonet mount between the fastener 1 and the base 3. In other words, the fastener 1 is attached to the base 3 by a mount that allows insertion of the fastener 1 to the base 3 only in a certain rotational position or in certain rotational positions, and the fastener 1 can be rotated in relation to the base 3 for moving the fastener 1 off from the certain rotational position or one of the certain rotational positions for preventing removing of the fastener 1 from the base 3 without rotating the fastener 1. = According to an embodiment, the fastener 1 has a body 10 having at least partially circular N 25 shape. The fastener 1 comprises at least one first flange section 11 protruding radially o <Q from the body 10. The fastener 1 comprises at least one second flange section 12
O — protruding radially from the body 10 and arranged at a distance from the first flange section E 11. The opening 31 has a shape that allows the passage of the first flange section 11 x through the opening 31 only in a certain rotational position or in certain rotational positions 5 30 while the passage of the second flange section 12 through the opening 31 is prevented. 5 The fastener 1 is rotatable in relation to the base 3 when base 3 is penetrated by the
N fastener 1 so that the first flange section 11 and the at least one second flange section 12 are at different sides of the base 3 for moving the first flange section 11 off from the certain rotational position or one of the certain rotational positions and for attaching the fastener 1 to the base 3. According to an embodiment, the fastener 1 comprises at least one slot 13 for receiving a part of the wire loop 2 without the need for threading the fastener 1 with the wire of the wire loop 2. Preferably, the fastener 1 comprises two slots 13 arranged at opposite sides of the fastener 1, each slot being arranged to receive one part of the wire loop 2 so that the fastener 1 is at least partially inside the wire loop 2. The slot 13 opens radially in a direction away from the middle of the fastener 1. This allows inserting a part of the wire loop 2 in the slot 13 radially in relation to the fastener 1. A part of the wire loop 2 is arranged in the slot 13. The part of the wire loop 2 is retained in the slot 13 between the fastener 1 and the base 3. According to an embodiment, the slot 13 is provided with a retaining means 131 for retaining the part of the wire loop 2 in the slot 13. For example, the retaining means 131 comprises at least one tab arranged in the edge of the slot and extending towards the middle of the fastener 1. Preferably, each slot 13 comprises two tabs arranged at opposite sides of the slot 13. This embodiment is illustrated in Figure 6. According to an embodiment, the fastener 1 comprises reinforcement members 14 for preventing bending of the second flange section 12 in relation to the body 10. For example, the reinforcement members 14 are triangular parts arranged between the second flange section 12 and the body 10. This embodiment is illustrated in Figures 1, 4 and 5. According to an embodiment, the fastener 1 comprises a protrusion 15 arranged to the first flange section 11 towards the second flange section 12 or to the second flange section 12 towards the first flange section 11. Preferably, the protrusion is arranged to connect with a corresponding notch in the base 3 when the fastener 1 is rotated off from the certain o 2 rotational position for preventing, or at least limiting, rotating the fastener 1 back to the > certain position and thus detaching the fastener 1 from the base 3. This embodiment is 2 illustrated in Figures 5 and 7. © Method x The disclosure relates also to a method for attaching a wire loop 2 to a base 3. 3 30 The method comprises providing a wire loop arrangement comprising a fastener 1 and a 5 wire loop 2 connected to the fastener 1. Preferably, the wire loop 2 is connected to at least = one slot 13 arranged in the fastener 1, the slot 13 opening radially in a direction away from N the middle of the fastener 1. The fastener 1 has a body 10 having at least partially circular shape.
The fastener 1 comprises at least one first flange section 11 protruding radially from the body 10. The fastener 1 comprises at least one second flange section 12 protruding radially from the body 10 and arranged at a distance from the first flange section
11. The method comprises providing a base 3 having a form of a sheet. The base 3 comprises 5 an opening 31 for allowing the fastener 1 to penetrate the base 3 through the opening 31. The opening 31 has a shape that allows the passage of the first flange section 11 through the opening 31 only in a certain rotational position or in certain rotational positions while the passage of the second flange section 12 through the opening 31 is prevented. The method comprises aligning the fastener 1 with the hole so that the fastener 1 is in the certain rotational position or in one of the certain rotational positions. This step is illustrated in Figure 8. The method comprises inserting the aligned fastener 1 partially through the opening 31 so that the first flange section 11 and the at least one second flange section 12 are at different sides of the base 3. The method comprises rotating the fastener 1 inserted partially through the opening 31 in relation to the base 3 for moving the first flange section 11 off from the certain rotational position or one of the certain rotational positions for preventing removing of the fastener 1 from the base 3 without rotating the fastener 1. oO
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O N

Claims (6)

1. An arrangement of a wire loop (2) and a base (3), comprising — a fastener (1); — a wire loop (2) connected to the fastener (1); and — a base (3) having an opening (31) for allowing the fastener (1) to penetrate the base (3) through the opening (31), characterized in that the fastener (1) is attached to the base (3) by a bayonet mount between the fastener (1) and the base (3) so that .
the fastener (1) has a body (10) having at least partially circular shape; the fastener (1) comprises at least one first flange section (11) protruding radially from the body (10); the fastener (1) comprises at least one second flange section (12) protruding radially from the body (10) and arranged at a distance from the first flange section (11); the base (3) has a form of a sheet; the opening (31) having a shape that allows the passage of the first flange section (11) through the opening (31) only in a certain rotational position or in certain rotational positions while the passage of the second flange section (12) through the opening (31) is prevented; the fastener (1) is rotatable in relation to the base (3) when base (3) is penetrated by the fastener (1) so that the first flange section (11) and the at least one second flange section (12) are at different sides of the base (3) for moving the first flange section (11) off from the certain rotational position or one of the certain rotational positions o and for attaching the fastener (1) to the base (3).
& ~ 25
2. An arrangement according to claim 1, characterized in that 5, the fastener (1) comprises at least one slot (13) for receiving a part of the wire loop = (2); > the slot (13) opens radially in a direction away from the middle of the fastener (1); 3 a part of the wire loop (2) is arranged in the slot (13); and = 30 the part of the wire loop (2) is retained in the slot (13) between the fastener (1) and N the base (3).
3. An arrangement according to claim 2, characterized in that the slot (13) is provided with a retaining means (131) for retaining the wire loop (2) in the slot (13).
4. An arrangement according to any one of the preceding claims, characterized in that the fastener (1) comprises reinforcement members (14) for preventing bending of the second flange section (12) in relation to the body (10).
5. An arrangement according to any one of the preceding claims, characterized in that the fastener (1) comprises a protrusion (15) arranged to the first flange section (11) towards the second flange section (12) or to the second flange section (12) towards the first flange section (11).
6. A method for attaching a wire loop (2) to a base (3), comprising the steps of — providing a wire loop arrangement comprising a fastener (1) and a wire loop (2) connected to the fastener (1), wherein the fastener (1) has a body (10) having at least partially circular shape, the fastener (1) comprises at least one first flange section (11) protruding radially from the body (10), and the fastener (1) comprises at least one second flange section (12) protruding radially from the body (10) and arranged at a distance from the first flange section (11); — providing a base (3) having a form of a sheet and comprising an opening (31) for allowing the fastener (1) to penetrate the base (3) through the opening (31), the opening (31) having a shape that allows the passage of the first flange section (11) through the opening (31) only in a certain rotational position or in certain rotational positions while the passage of the second flange section (12) through the opening (31) is prevented; — aligning the fastener (1) with the hole so that the fastener (1) is in the certain o rotational position or in one of the certain rotational positions;
O N 25 — inserting the aligned fastener (1) partially through the opening (31) so that the first - flange section (11) and the at least one second flange section (12) are at different 2 sides of the base (3); and E — rotating the fastener (1) inserted partially through the opening (31) in relation to 3 the base (3) for moving the first flange section (11) off from the certain rotational 5 30 position or one of the certain rotational positions.
0
O
N
FI20185794A 2018-09-24 2018-09-24 Arrangement of wire loop and base and method for attaching wire loop to base FI128866B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FI20185794A FI128866B (en) 2018-09-24 2018-09-24 Arrangement of wire loop and base and method for attaching wire loop to base
EP19184354.9A EP3626911A1 (en) 2018-09-24 2019-07-04 Arrangement of wire loop and base and method for attaching wire loop to base

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI20185794A FI128866B (en) 2018-09-24 2018-09-24 Arrangement of wire loop and base and method for attaching wire loop to base

Publications (2)

Publication Number Publication Date
FI20185794A1 FI20185794A1 (en) 2020-03-25
FI128866B true FI128866B (en) 2021-02-15

Family

ID=67180615

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20185794A FI128866B (en) 2018-09-24 2018-09-24 Arrangement of wire loop and base and method for attaching wire loop to base

Country Status (2)

Country Link
EP (1) EP3626911A1 (en)
FI (1) FI128866B (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29505789U1 (en) 1995-04-04 1996-08-01 Betomax Kunststoff Metall Device for storing at least one elastically deformable holder
DE29612573U1 (en) 1996-07-20 1997-11-20 Pfeifer Seil Hebetech Device for joining precast concrete parts
DE202007010509U1 (en) 2007-07-26 2008-12-04 Philipp Gmbh Rail for receiving rope loops for prefabricated components

Also Published As

Publication number Publication date
EP3626911A1 (en) 2020-03-25
FI20185794A1 (en) 2020-03-25

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