EP2436846A2 - Rail d'ancrage doté d'une bande de traction - Google Patents

Rail d'ancrage doté d'une bande de traction Download PDF

Info

Publication number
EP2436846A2
EP2436846A2 EP11181762A EP11181762A EP2436846A2 EP 2436846 A2 EP2436846 A2 EP 2436846A2 EP 11181762 A EP11181762 A EP 11181762A EP 11181762 A EP11181762 A EP 11181762A EP 2436846 A2 EP2436846 A2 EP 2436846A2
Authority
EP
European Patent Office
Prior art keywords
filling element
tear strip
filling
rail
length
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.)
Granted
Application number
EP11181762A
Other languages
German (de)
English (en)
Other versions
EP2436846A3 (fr
EP2436846B1 (fr
Inventor
Ulrich Birnbaum
Markus Heudorfer
Holger Basche
Jürgen Keim
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.)
Hilti AG
Original Assignee
Hilti AG
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 Hilti AG filed Critical Hilti AG
Publication of EP2436846A2 publication Critical patent/EP2436846A2/fr
Publication of EP2436846A3 publication Critical patent/EP2436846A3/fr
Application granted granted Critical
Publication of EP2436846B1 publication Critical patent/EP2436846B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • E04B1/388—Separate connecting 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
    • E04B1/38—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 invention relates to a filling body for an anchor rail according to the preamble of claim 1.
  • a filling body is formed with an elongated filling element and a tear strip for removing the filling element from a receiving space of the anchor rail, which is connected in a connecting region with the filling element.
  • the invention further relates to a method for producing a filling body with an elongate filling element and a tear strip for removing the filling element from a receiving space of an anchor rail, in which the tear strip is connected in a connecting region with the filling element, according to the preamble of claim 6.
  • anchor rails with C-profile.
  • Such anchor rails have on one longitudinal side two opposite rail lips, between which an opening along the anchor rail opening is formed in the interior of the anchor rail.
  • Anchor rails with temporary fillers are for example from the DE 87 05 644 U , of the US 4,532,740 A and the DE 295 15 152 U1 known.
  • the foamy filler is usually removed before using the anchor rail.
  • To facilitate removal of the temporary rail filling are, for example from the US 4,532,740 A and the DE 87 05 644 U , Ausreissb sections, which are mounted in the longitudinal direction of the rail at the bottom of the filler.
  • One way to position the anchor channels before concreting is to apply the anchor rails to the formwork and to fix, for example by means of nails on the formwork.
  • fixing elements such as hammer head screws
  • the object of the invention is to develop the prior art so that a particularly reliable positioning of the anchor channels is possible with very little effort.
  • the filling element according to the invention is characterized in that the tear strip is connected to the filling element in at least part of the connecting region with a length reserve.
  • the invention has further recognized that the undesirable effect of the emergence of the filling element and thus the difficulties in the positioning of the rail in the design of known packing can be justified.
  • the tear strip is glued over the entire surface of the filling element.
  • the part of the tear-out strip that forms the adhesive bond and the glued surface have the same length.
  • the pull-out strip inherently has a greater tensile strength and, as a rule, also a greater tensile stiffness than the foam material.
  • the rigidity over the cross-section of the packing is not constant.
  • An undesirable curvature of the filling element can occur in known rails with full-surface glued tear-out not only when heated, but also when the walls of the receiving space inside the rail are not flat, but have elevations, as may be formed for example by anchoring body of the rail anchor , In this case, the elevations can be pressed into the filler, wherein the soft filling element can easily absorb this deformation.
  • the tear strip, in which the elevations are also pressed in, however, is spatially offset by the elevations, and it form due to the existing tensile stiffness in the band considerable tensile forces. As a result, the underside pull-out strip tightens like a string and pushes the foam between the rail lips to the outside.
  • the invention comes in and provides for a design of the filling element in which the tear strip has a length reserve in the connection region, ie a length excess, relative to the adjacent filling element.
  • a length reserve it may be provided, for example, that the band does not run parallel to the filling element in the connection region, but that its distance from the filling element varies along the connection region.
  • the band extends in this case in an additional spatial direction compared to the surface of the adjacent filling element, wherein the length reserve comes from this additional spatial direction.
  • a length reserve can thus be understood in particular to mean that the length of the tear strip in the Connection area is greater than the longitudinal extension of the filling element in the connection area.
  • the band Due to this length reserve, an increase in the length of the tear strip in the longitudinal direction of the filling element is possible without the relatively tension-resistant strip having to be stretched for this purpose.
  • the length increase in the longitudinal direction rather comes from the length reserve of the tear strip, that is, the length increase in the longitudinal direction is not effected by deformation of the tear strip, but by a geometric rearrangement of the tape. Due to the length reserve, the band thus has an effective tensile stiffness that is less than the actual tensile stiffness.
  • the tape can cause thermal expansion of the filler element and / or mechanical deformation of the filler element, e.g. by impressing elevations, follow, without that there is a tension between the band and filling element.
  • thermal expansion of the filler element and / or mechanical deformation of the filler element e.g. by impressing elevations, follow, without that there is a tension between the band and filling element.
  • the length reserve in the pull-tab may be present in particular at least at room temperature (20 ° C.) and / or at least prior to the introduction of the filler into the anchor channel.
  • the length reserve may be at least 1%, in particular at least 5%, preferably at least 10% or 13%, particularly preferably about 15%, i. the tear strip is longer by this percentage than the surface of the adjacent packing.
  • the length reserve can then absorb thermal deformations of the filling element when heating above room temperature or mechanical deformation of the filling element during insertion into the anchor rail.
  • the length reserve is present when the molded body is straight, that is, when it is in a geometric configuration that it also has inside the anchor rail.
  • the tear strip may preferably be fiber-reinforced.
  • the tear strip on a carrier tape which may comprise, for example, polyethylene (PE), polypropylene (PP) or polyethylene terephthalate (PET).
  • the filling element may in particular be a foam element and, for example, comprise plastic foam such as polyethylene foam, low-density polyethylene foam (LDPE) or polystyrene foam.
  • connection area in which the tear strip is connected to the filling element can be connected but also be discontinuous
  • a length reserve according to the invention can be provided over the entire length of the connection region of the filling element.
  • Concentrated reserves according to the invention may be applied by a roller having a varying surface geometry along its circumference.
  • a roller may be provided which may span over an angular range of e.g. 270 ° has a circular circumference, and over the remaining angular range (in this example, 90 °) is provided with teeth. If the filling element is guided over this roller, we create a concentrated reserve with each revolution of the roller. Thus, continuously recurring excess areas, e.g. to be created for rivets.
  • the tear strip is glued in the connection region with the filling element.
  • the bond between the band and filling element can be produced in a particularly simple manner.
  • the tape may have an adhesive layer.
  • the filling element may have an at least approximately planar surface in the connection region.
  • the invention also relates to an anchor rail, which is pourable into a component, with a rail body, which has a receiving space extending in the longitudinal direction of the rail body, wherein the anchor rail is characterized in that in A filling body according to the invention is provided in the receiving space, in which the tear-out strip is connected to the filling element in at least part of the connecting region with a length reserve.
  • the inventive method for producing a filling body is characterized in that the tear strip is connected in at least part of the connecting region to form a length reserve with the filling element.
  • this length reserve is given when the shaped body is straight and / or when it is in a geometric configuration which it also has inside the anchor rail. Due to the length of the tear strip, which is increased in relation to the underside of the filling body, there results an expansion reserve of the packing for tensile strains, which can be retrieved before the drawstring itself has to absorb tensile forces. Even local elongations, as e.g. can occur through elevations in the rail body, can be absorbed by the distributed reserves, since localized strain differences can quickly degrade.
  • the filling element is stretched at least in regions in the longitudinal direction, in particular elastically stretched, and that the tear strip is connected in an extended region of the filling element with the filling element.
  • the filling element is elastically elongated at least on the underside.
  • the tear strip is glued to the underside.
  • no compressive stress can build up in the pressure-tight tear-out strip. Consequently, the tension-free applied band retains its original length, which is now greater than that of the filler. As a result, the length reserve is formed in the band.
  • the filling element can be stretched over its entire length viewed in the longitudinal direction. For this purpose, for example, a tensile load can be applied to the opposite ends of the filling element. If the filling element is stretched over its entire length, the tear strip can be connected to it at the same time along the entire length of the filling element. However, the filling element can also be stretched only in regions, in which case the tape is applied to the stretched area. This is particularly advantageous with regard to a continuous process. Here, only a portion of the total length of the filling element can be stretched at any time.
  • the extension that is the positive elongation of the filling element, can act in the entire cross section of the filling element. This corresponds to a pure tensile load. In principle, however, it is sufficient if the stretch is only on the underside of the filling element, ie on the side which is connected to the band. In the remaining cross-sectional areas, small positive strains or even negative strains may be present.
  • the filling element is bent, in particular elastically bent, at least in regions, in particular around a roller and / or around a forced guidance, and that the tear-out strip is connected to the filling element in a bent region of the filling element.
  • the filling element is bent, so that its underside is elongated relative to the neutral tear strip. This can e.g. when passing over a roll happen. In this state, the tape is applied. Once the curvature of the filler decreases, the elongated underside of the filler returns to its original length equal to the length of the neutral fiber. The tear-off band is pressed. Since it has no compressive stiffness, separations and corrugations, which form the length reserve, are formed in some areas.
  • the filling element can be bent over its entire length viewed in the longitudinal direction. If the filling element is bent over its entire length, the tear strip can be connected to it at the same time along the entire length of the filling element. However, the filling element can also be bent only partially, in which case the tape is applied to the bent region. This is particularly advantageous with regard to a continuous process. Here, only a portion of the total length of the filling element can be bent at any time.
  • the bending can be effected in particular about an axis extending transversely, preferably perpendicularly to the longitudinal direction of the filling element, wherein the at least one bending axis expediently extends above the filling element when the strip is mounted on the underside of the filling element.
  • a further preferred embodiment of the invention is that the filling element is profiled at least partially, in particular is elastically profiled, in particular by means of a toothed roller, and that the tear strip is connected in a profiled region of the filling element with the filling element.
  • a toothed roller with protruding teeth runs over the rear side of the filling element. These teeth press into the filler and extend thus the unwinding surface of the filling element on the bottom.
  • this follows the embossed profile, since the elastic / viscous regression of the indentation occurs delayed.
  • the underside of the packing returns to its original dimensions.
  • the tear-off band is pressed. Since it has no compressive stiffness, separations and corrugations, which form the length reserve, are formed in some areas.
  • the elongation of the underside in this embodiment is not continuous, but discontinuous.
  • the invention can also include a method for producing an anchor rail, which is pourable into a component, with a rail body, which has a receiving space extending in the longitudinal direction of the rail body.
  • a filling body is produced according to the invention, and the filling body is introduced into the receiving space, wherein it is provided that at least during introduction of the filling body the tear strip in at least a part of the connecting region with a length reserve with the filling element connected is.
  • FIG. 1 An inventive anchor, which can be poured into a component anchor rail 11 is in FIG. 1 shown.
  • the illustrated anchor rail 11 has a rail body 12, which has a longitudinal extent of the rail body 12 extending receiving space 13, wherein in the case of the cross-sectional view of FIG. 1 the longitudinal extent is perpendicular to the plane of the drawing.
  • the anchor rail 11 further includes a plurality of projecting on the underside of the rail body 12 anchoring elements, of which in FIG. 1 only a single anchor elements 14 can be seen, which covers the remaining anchor elements.
  • a filler 15 is provided in the receiving space 13 of the rail body 12.
  • This consists of a filling element 16, which may for example consist of LDPE foam, and a tear strip 21.
  • the tear strip 21 is at the anchor elements 14 facing bottom of the filling member 16 adhesively connected to the filling element 16. Over the tear strip 21, forces can be exerted on the filling body 15, which serve to at least partially remove the filling body 15 from the receiving space 13.
  • Fig. 2 shows a side view of the filling body 15 Fig. 1 , As in Fig. 2 it can be seen, the tear strip 21 is connected to the filling element 16 in a connecting region 1 extending along the filling element 16 on the underside of the filling element 16.
  • the connection region 1 extends over the entire length of the filling element 16. However, the connection region 1 may in principle also extend over only a partial length of the filling element 16.
  • the tear strip 21 runs in the connection region 1 not parallel to the underside of the filling element 16, but in average meandering with varying distance to the filling element 16.
  • This meandering form a length reserve is formed in Ausreissband 21, which it the connected to the tear strip 21 filling element 16th allows to expand in the longitudinal direction, without causing a tension with the tear strip 21.
  • the tear strip 21 also has an excess length 24, with which the tear strip 21 projects beyond the underside of the filling element 16, and which allows grasping the tear strip 21.
  • Fig. 3 shows a side view of a further embodiment of an inventive filling body 15.
  • the embodiment of Fig. 3 differs from the embodiment of the Fig. 2 in that a meander shape and thus a length reserve of the tear strip 21 is only given in a part of the connection region 1.
  • the length reserve can be provided in the region of the anchor elements 14, since tension is to be expected here, which can be absorbed by the length reserve.
  • Fig. 4 shows a first embodiment of an inventive method for producing a filling body 15.
  • Wie Fig. 4 shows, in this case the filling element 16 is stretched in the longitudinal direction, and the tear strip 21 connected in the extended state of the filling member 16 with this. After joining, the tensile load of the filling element 16 is released, so that the filling element can elastically deform back.
  • the length reserve is formed in the tear strip 21.
  • Fig. 5 shows a second embodiment of a method according to the invention for producing a filling body 15.
  • Wie Fig. 5 shows, in this case, the filling member 16 is bent completely around a roller 40 around and the tear strip 21 connected in the bent state of the filling member 16 with this, on the roller 40 and thus the bending axis facing away from the side of the filling member 16. After connecting lifted the bend of the filling element, so that the filling element elastically in the example in Fig. 2 shown straight state can deform back.
  • the length reserve is formed in the tear strip 21.
  • Fig. 6 shows a third embodiment of an inventive method for producing a filling body 15.
  • the filling element 16 is continuously guided around a roller 41 and thereby bent locally on the roller 41.
  • the tear strip 21 is connected to the filling element 16.
  • the bending of the filling element 16 is released, so that the filling element 16 can revert to a straight state.
  • the length reserve is formed in the tear strip 21.
  • Fig. 7 shows a fourth embodiment of an inventive method for producing a filling body 15.
  • the filling element 16 is continuously guided past a toothed roller 50 and thereby a profiled Region 55 formed on the surface of the filling element 16.
  • the tear strip 21 is connected to the filling element 16, wherein the connection as in Fig. 7 shown by the action of the sprocket 50, but in principle can also be done separately from the sprocket 50.
  • the profiling of the filling element 16 relaxes so that the filling element 16 can be deformed back into a non-profiled state.
  • the length reserve is formed in the tear strip 21.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Package Frames And Binding Bands (AREA)
  • Reinforcement Elements For Buildings (AREA)
  • Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
  • Tires In General (AREA)
  • Lining And Supports For Tunnels (AREA)
  • Butt Welding And Welding Of Specific Article (AREA)
  • Bridges Or Land Bridges (AREA)
  • Slide Fasteners, Snap Fasteners, And Hook Fasteners (AREA)
EP11181762.3A 2010-10-04 2011-09-19 Rail d'ancrage doté d'une bande de traction Active EP2436846B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102010041904A DE102010041904A1 (de) 2010-10-04 2010-10-04 Ankerschiene mit Zugband

Publications (3)

Publication Number Publication Date
EP2436846A2 true EP2436846A2 (fr) 2012-04-04
EP2436846A3 EP2436846A3 (fr) 2014-01-22
EP2436846B1 EP2436846B1 (fr) 2015-01-07

Family

ID=44674507

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11181762.3A Active EP2436846B1 (fr) 2010-10-04 2011-09-19 Rail d'ancrage doté d'une bande de traction

Country Status (6)

Country Link
US (1) US20120080431A1 (fr)
EP (1) EP2436846B1 (fr)
KR (1) KR20120035103A (fr)
CN (1) CN102444208B (fr)
DE (1) DE102010041904A1 (fr)
RU (1) RU2576418C2 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109424126A (zh) * 2017-08-30 2019-03-05 北京汉能光伏投资有限公司 一种瓦固定装置及使用该瓦固定装置固定的瓦的拆卸方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4532740A (en) 1983-04-29 1985-08-06 Siegfried Fricker Anchoring track with removable filler body
DE8705644U1 (de) 1987-04-16 1987-06-04 Fricker, Siegfried, 7135 Wiernsheim Ankerschiene
DE29515152U1 (de) 1995-09-23 1995-11-23 Gefinex Gesellschaft für innovative Extrusionsprodukte mbH, 33803 Steinhagen Kunststoffschaumfüllung für Ankerschienen

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3667174A (en) * 1970-02-13 1972-06-06 Robert W Arnett Expansible reveal with frontal tear strip for plaster walls
SU1164050A2 (ru) * 1983-06-16 1985-06-30 Новосибирское Проектно-Технологическое Бюро Всесоюзного Государственного Научно-Исследовательского И Проектного Института "Вниипроектэлектромонтаж" Устройство дл образовани гнезд под установочные приборы
DE8504883U1 (de) * 1985-02-21 1986-06-19 Halfeneisen GmbH & Co KG, 4000 Düsseldorf Im Querschnitt C-förmig gestaltete, in Beton einbettbare Ankerschiene
GB8808808D0 (en) * 1988-04-14 1988-05-18 Vantrunk Eng Ltd Insert for channel section member
CN1307919C (zh) * 2000-03-14 2007-04-04 维尔克鲁工业公司 制造可拉伸搭扣的方法
US7654057B2 (en) * 2005-08-08 2010-02-02 Sergio Zambelli Anchoring insert for embedding in a concrete component and concrete component provided therewith
DE102009045715A1 (de) * 2009-10-15 2011-04-21 Hilti Aktiengesellschaft Eingiessbare Ankerschiene

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4532740A (en) 1983-04-29 1985-08-06 Siegfried Fricker Anchoring track with removable filler body
DE8705644U1 (de) 1987-04-16 1987-06-04 Fricker, Siegfried, 7135 Wiernsheim Ankerschiene
DE29515152U1 (de) 1995-09-23 1995-11-23 Gefinex Gesellschaft für innovative Extrusionsprodukte mbH, 33803 Steinhagen Kunststoffschaumfüllung für Ankerschienen

Also Published As

Publication number Publication date
RU2011140047A (ru) 2013-04-10
EP2436846A3 (fr) 2014-01-22
DE102010041904A1 (de) 2012-04-05
US20120080431A1 (en) 2012-04-05
CN102444208B (zh) 2016-01-06
EP2436846B1 (fr) 2015-01-07
KR20120035103A (ko) 2012-04-13
CN102444208A (zh) 2012-05-09
RU2576418C2 (ru) 2016-03-10

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