EP4279677A1 - Joint de mur - Google Patents

Joint de mur Download PDF

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Publication number
EP4279677A1
EP4279677A1 EP23173968.1A EP23173968A EP4279677A1 EP 4279677 A1 EP4279677 A1 EP 4279677A1 EP 23173968 A EP23173968 A EP 23173968A EP 4279677 A1 EP4279677 A1 EP 4279677A1
Authority
EP
European Patent Office
Prior art keywords
double
bracket
wall
rod
shaped component
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.)
Pending
Application number
EP23173968.1A
Other languages
German (de)
English (en)
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.)
Pakon AG
Original Assignee
Pakon 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 Pakon AG filed Critical Pakon AG
Publication of EP4279677A1 publication Critical patent/EP4279677A1/fr
Pending legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
    • E04C5/16—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups
    • E04C5/162—Connectors or means for connecting parts for reinforcements
    • 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
    • E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/84—Walls made by casting, pouring, or tamping in situ
    • E04B2/86—Walls made by casting, pouring, or tamping in situ made in permanent forms
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/84—Walls made by casting, pouring, or tamping in situ
    • E04B2/86—Walls made by casting, pouring, or tamping in situ made in permanent forms
    • E04B2/8611—Walls made by casting, pouring, or tamping in situ made in permanent forms with spacers being embedded in at least one form leaf
    • E04B2/8617—Walls made by casting, pouring, or tamping in situ made in permanent forms with spacers being embedded in at least one form leaf with spacers being embedded in both form leaves
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
    • E04C5/16—Auxiliary parts for reinforcements, e.g. connectors, spacers, stirrups
    • E04C5/162—Connectors or means for connecting parts for reinforcements
    • E04C5/166—Connectors or means for connecting parts for reinforcements the reinforcements running in different directions
    • E04C5/167—Connection by means of clips or other resilient elements

Definitions

  • the present invention relates to butt reinforcement for double walls.
  • Double walls have changed building with concrete walls since the 1970s.
  • a high quality standard in terms of concrete quality and surface quality can be guaranteed and guaranteed compared to the concrete wall cast on site.
  • a double wall consists of two parallel wall panels arranged opposite each other. There is usually a distance of 8 to 30 cm between the two wall panels of a double wall. Reinforcements anchored to the two opposing wall panels are provided in this gap.
  • An example of such reinforcement are reinforcing bars that run horizontally within this gap and are firmly anchored in the first or second wall panel.
  • Several such rods are provided distributed across the gap.
  • Such a rod is, for example, U-shaped. This is also called a reinforcing stirrup.
  • the cross leg of the U-shaped bar (reinforcement bracket) runs in the gap and the two opposing legs run in the first and second wall panels. These legs anchor the U-shaped reinforcing bar to the wall panels.
  • U-shaped reinforcing bars are arranged one above the other. Seen from one end face of the double wall, the cross legs of the U-shaped rod lie parallel to one another. The two opposing legs are not visible. These run in the first and second wall panels.
  • the double walls are pre-produced in a concrete factory and connected to other double walls on the construction site as required. This creates so-called vertical butt joints across the height of two double walls intended to be connected. To be distinguished from these vertical butt joints are the horizontal butt joints, which run between a floor slab or the ceiling and the double wall. The area in which the wall shells of the double walls adjoin one another is called the butt area.
  • the spacing of the reinforcements and the reinforcement diameter also depends on the local conditions of the building, such as prevailing wind loads or earthquake safety requirements.
  • ironing cages It is a ladder-like frame made of structural steel, which comprises an elongated vertical part, the length of which approximately corresponds to the height of the wall and which has individual metal brackets attached in a row. The brackets protrude from the vertical part sideways, i.e. in the horizontal direction.
  • the ironing basket is only assembled on site at the construction site in the area of the vertical butt joint. These ironing baskets are installed after the double walls to be connected have been put down and anchored and secured against horizontal thrust.
  • the basket is designed in such a way that it is usually located in the gap in the wall, with the lattice girders connecting the wall shells being set back in the concrete plant by approx. 30-35 cm from the end of the wall.
  • the cavity between the two wall shells is filled with concrete on site.
  • spacers installed in the wall shells of the double walls in the concrete plant make assembly of the bracket basket even more difficult. This can have different causes.
  • spacers can also come loose from the concrete and fall over while the concrete is being poured in the concrete factory.
  • a device for connecting two double walls using movable elements in the form of swivel brackets is known.
  • These movable elements are rotatably arranged on cross struts that run within the wall shells on one of the two double walls.
  • the elements protrude from one end face of the double wall and, when two double walls are connected, end in the end face of the second wall or protrude into it.
  • So-called support brackets are arranged in this second wall. If the elements are folded in and do not protrude from the front, the second wall can be positioned.
  • the swivel brackets are usually prevented from unfolding by a rod or rope. The elements are then unfolded by loosening the rod or rope.
  • the swivel brackets then snap into the support brackets, arranged between the wall shells of the second double wall. This requires an additional step in assembly.
  • a disadvantage of the device from the EP2495375 A1 is that there is a risk that the swivel brackets will not fold out completely because parts (misassembled spacers) in the space between the second wall block the rotation and connection with the support brackets.
  • the space available for double-wall joint reinforcement is usually limited. It is determined, for example, by the gap (this is usually already limited by the fixed reinforcement brackets) that results between the wall panels of the double wall and the distance between the end face of the first double wall and the second double wall.
  • the object of the present invention is to provide a double-wall butt reinforcement which avoids at least one disadvantage known from the prior art.
  • the device according to the invention is intended for the reinforcement of vertical butt joints and is preferably arranged in one of the two double walls before it is connected to the second double wall.
  • the second double wall and also in the first double wall
  • reinforcing bars for example U-shaped bars, also called push-in brackets.
  • the gap is filled with concrete after the double wall has been erected.
  • the device according to the invention is hung into the double wall either when the double walls are manufactured in the factory or on site at the construction site.
  • the double-wall butt reinforcement according to the invention comprises at least one bracket and a rod-shaped component that runs perpendicular to the bracket.
  • the bracket is pivotally connected to the rod-shaped component via an elastically deformable element. In an equilibrium position, the bracket runs horizontally to the rod-shaped component. In a non-equilibrium position, the bracket can be pivoted up and down from the horizontal position.
  • the bracket also has two opposing bracket legs, with the rod-shaped component being arranged between the bracket legs.
  • the equilibrium position refers to a position of the bracket relative to the rod-shaped component. In this position, the elastically deformable element is not subjected to a force.
  • the non-equilibrium position refers to the position in which the elastically deformable element is subjected to a force.
  • the bracket is moved from the horizontal position, i.e. the equilibrium position. In the equilibrium position, the bracket is perpendicular to the rod-shaped component. In the non-equilibrium position, the angle between the bracket and the rod-shaped component deviates from the right angle.
  • the device according to the invention has exactly one rod-shaped component. Over its length and at a certain distance from one another, pivoting brackets are arranged, which are connected to the rod-shaped component via an elastic element.
  • the elastically deformable element has a first end and a second end, wherein it is designed to be elastically deformable therebetween.
  • the first end is operatively connected to the opposite bracket legs.
  • the second end is operatively connected to the rod-shaped component that runs perpendicular to the bracket.
  • the elastic element is a spiral spring, preferably a leaf spring, for example a flat spring.
  • the spring used can be defined as a mechanical spring that is made from spring strip steel or spring steel sheet and whose effect is created by the opposite spring force during elastic deformation.
  • the elastic element which is preferably a spiral spring, has a first leg and a second leg which is arranged on the first leg at an angle to the first leg and adjoins this.
  • the elastic element or rather the spiral spring, is designed as an angled, elastically resilient metal strip.
  • the first end of the elastic element is cohesively connected, in particular welded, to the two opposite bracket legs. Furthermore, the second end of the elastic element can be connected to the rod-shaped component in a materially bonded manner, in particular by welding.
  • the second end of the elastic element, or the spiral spring is connected to the rod-shaped component in a form-fittingly releasable manner or non-positively releasable manner.
  • the second end of the elastic element can be snapped into a fastening element or into an opening in the rod-shaped component and can thereby be fastened to the rod-shaped component.
  • the bracket To connect the first end of the elastic element, or the spiral spring, to the bracket, the bracket has a fastening element which runs transversely to the bracket legs.
  • a fastening element which runs transversely to the bracket legs.
  • This is preferably a metal plate which is materially connected to the two bracket legs and to the first end of the elastic element or the spiral spring.
  • a plurality of mutually spaced, in particular equally spaced, brackets are connected to the rod-shaped component via their associated elastically deformable element.
  • This is the so-called mesh basket.
  • the lattice basket or the rod-shaped component is inserted between two wall panels of the double wall.
  • the brackets slide while performing a pivoting movement along the cross bars connecting the two wall panels. When inserted, these swing into the equilibrium position and form the overlap joint.
  • the rod-shaped component in particular the mesh basket, is attached to one of the two double walls to be connected.
  • This double wall is connected to a second double wall that is already fixed to a foundation.
  • the brackets slide pivotably along the cross bars connecting the two wall panels of the second double wall. When inserted, the brackets swing into the equilibrium position.
  • the mesh cage When inserted, the mesh cage is cast with concrete, thereby permanently connecting the two double walls and the double wall butt reinforcement.
  • a vertical distance between the cross bars connecting the two wall panels of the first and/or the second double wall is between 10 cm and 25 cm.
  • the horizontal distance between the cross bars of the first double wall and the cross bars of the second double wall is between 5 cm and 20 cm.
  • the temple legs have a total length of 20 cm to 50 cm.
  • the at least one bracket is a closed bracket. If the two opposing bracket legs are connected to one another, the bracket is particularly preferably designed as a closed reinforcing steel bracket.
  • a guide device for the double-wall butt reinforcement comprises a strip with a width and a length with a plurality of grooves, the grooves being provided for temporarily receiving the brackets.
  • brackets In the non-equilibrium position, the brackets snap into the grooves. In the equilibrium position, the brackets are released from the grooves and slide pivotally along the crossbars connecting the two wall panels of one of the two double walls.
  • the number of grooves corresponds to the number of brackets.
  • the width of the bar is smaller than the horizontal distance between the crossbars running in the second wall and the crossbars running in the first wall.
  • the distance between the crossbars for example, is less than or equal to 10 cm.
  • the grooves are arranged along the length of the bar and. are slot-shaped. The grooves particularly preferably run parallel to one another and at an angle to the width of the strip. This angle is between 40° and 70°.
  • Fig. 1 shows a first embodiment of the double-wall butt reinforcement 1 according to the invention in a side view.
  • only one bracket 2 is shown, which is operatively connected to a rod-shaped component 3.
  • the number of brackets 2 depends on the height of the double walls that are to be connected, i.e. on the length of the butt joint between the double walls to be connected.
  • the bracket 2 is shown in an equilibrium position.
  • the bracket 2 is arranged horizontally to the rod-shaped component 3 (approximately 90°).
  • the device according to the invention assumes this position, for example, before installation, or when the double wall is in the desired end position relative to the second double wall.
  • the stirrups 2 (here only one stirrup) then rest on the crossbars of the reinforcement stirrups of the second double wall (not visible) and form the so-called lap joint.
  • the bracket 2 shown is a bracket 2 with two bracket legs 2A, 2B.
  • the two bracket legs 2A, 2B are connected by at least two cross bars 2C, 2D. It is a closed bracket 2.
  • the rod-shaped component 3 runs between the bracket legs 2A, 2B and is connected to the bracket 2 via an elastically deformable element 4, in the embodiment shown a spiral spring, preferably a Leaf spring, connected.
  • the elastic element 4 comprises a first leg 41 and a second leg 42 arranged on the first leg 41 at an angle to the first leg 41 and adjoining this.
  • a first end 4A and a second end 4B of the elastically deformable element 4 cohesively connected to the opposing bracket legs 2A, 2B by means of welding.
  • a further fastening element 5 is provided, which runs transversely to the two bracket legs 2A, 2B and is also welded to them.
  • this fastening element 5 is elongated and designed as flat steel.
  • the second end 4B of the elastic element 4 is also materially connected to the rod-shaped component 3, preferably welded.
  • the elastic element 4 is a leaf spring, which is designed as a metal band with a material thickness of approximately 8 mm.
  • the bracket 2 can be pivoted up and down in the direction of arrow P from the horizontal position shown.
  • the elastic element 4 shown here in the form of a leaf spring, is angled and a first part of the leaf spring runs between the bracket legs 2A, 2B.
  • Feature 7 is a hook as an example of a fastening means, with the help of which the double-wall butt reinforcement 1 according to the invention can be hung, for example, in one of the two double walls.
  • Fig. 1 Position shown is the equilibrium position.
  • Fig. 2 shows the embodiment Fig. 1 , whereby the bracket 2 is pivoted upwards, deviating from the horizontal position of the bracket 2, towards the rod-shaped component 3. Since it is the same embodiment as in Fig. 1 the same reference numbers were used. In the Fig. 2 Position shown is the non-equilibrium position.
  • Fig. 3 shows the embodiment of the device according to the invention Fig. 1 and Fig. 2 in a perspective view diagonally from above.
  • the same features were therefore named with the same reference numbers.
  • the bracket 2 is designed as a closed bracket, ie two bracket legs 2A, 2B are connected via the cross bars 2C and 2D and form a “closed loop”, for example made of reinforcing steel.
  • the bracket 2 can also be designed as an open bracket.
  • the crossbars 2C and 2D are then not present.
  • the two bracket legs 2A, 2B are then only connected by a fastening element 5 which serves to receive one end 4A of the elastic element 4.
  • a fastening element 5 made of flat steel, which connects the leg 2A with 2B.
  • the bracket 2 can also be designed as a bracket 2 that is open on one side. In such a variant, either the crossbar 2C or the crossbar 2D is not present.
  • Fig. 4a shows the device according to the invention in a perspective view with two brackets 21 and 22 which are arranged at a distance from one another over the length of the rod-shaped component 3.
  • two hooks 7, 7 ' are provided for attaching the device according to the invention to a double wall.
  • a hook 7 is sufficient to hang the device according to the invention into the double wall.
  • a grid basket 20 is formed.
  • Both brackets 21, 22 are each connected to the rod-shaped component 3 via an elastically deformable element 4, the elastic element 4 being fastened to the bracket 2 with a fastening element 5.
  • the two brackets 21, 22 are designed to be identical, which is why the same reference numbers were used.
  • the brackets 21 and 22 are arranged at a distance d of approximately 40 cm along the rod-shaped component 3. This vertical distance corresponds to the distance between two cross bars arranged one above the other in the double wall (in Fig. 4 not visible).
  • the brackets 21 and 22 are 50 cm long in the embodiment shown, this entire length being divided into two partial lengths l1 and l2 and thus into two bracket areas.
  • the overlap joint to the second wall is formed by the bracket area with length l2.
  • Fig. 4b shows an exemplary bracket 21 as used in the device according to the invention according to the first embodiment.
  • Fig. 5 shows reinforcement brackets arranged one above the other, which fix two wall panels of two double walls W1, W2. Arranged between the first and second wall panels opposite the first wall panel, the cross bars 811-815 run.
  • the double wall W2 is shown in the illustration Fig. 5 only indicated by the reinforcing stirrups 81-85. It is connected to a foundation. Also indicated by reinforcement brackets 91 - 93 is a second double wall W1. As an example, three reinforcement stirrups are shown in the second double wall W1.
  • the double-wall butt reinforcement 1 according to the invention is connected to the double wall W1, for example via the fastening element 7, which is designed as a hook (in Fig. 5 not visible).
  • the double wall W1 is arranged at the same height as the double wall W2.
  • the brackets 21-23 are in a non-equilibrium position.
  • the brackets 21-23 are designed in the same way as the brackets shown in Fig. 1 to Fig. 4 , which is why the same reference numbers were used.
  • the rod-shaped element 3 runs within the bracket legs 2A, 2B.
  • the double wall W1 is moved further vertically in the direction of arrow R and the brackets 21-23 pivot into the equilibrium position.
  • the bracket 21 comes to rest under the reinforcement bracket 81 of the double wall W2 and under the reinforcement bracket 91 of the double wall W1.
  • Stirrup 22 under reinforcement stirrups 82 and 92 and stirrup 23 under reinforcement stirrups 83 and 93. In this way, a lap joint is formed.
  • Fig. 6 and Fig. 7 show two views of a lattice basket 20.
  • the lattice basket 20 refers to the rod-shaped component 3 with several (at least two) brackets 21 - 28 and 21 - 27, respectively, arranged equally spaced along the length of the rod-shaped component 3, each of which has an elastically deformable Element 4 is connected to the rod-shaped component 3.
  • the brackets 21 - 28 each have two opposite, spaced bracket legs.
  • the rod-shaped component 3 runs between the respective bracket legs.
  • the brackets 21 - 28 are the ones in the Fig. 1 to 5 embodiments shown.
  • Fig. 8(a) shows an embodiment of a rod-shaped component 3 '.
  • This rod-shaped component 3 ' has fastening elements 31-40 arranged over its length. In the embodiment shown, it is a form-fitting element.
  • the second end 4B of the elastic element 4 snaps into the form-fitting element and can in this way be connected to the rod-shaped component 3 'in a form-fitting, detachable manner (plug connection).
  • Fig. 8(b) shows an embodiment of such a positive locking element 37 as well as part of the attachment to the rod-shaped component 3 '.
  • Fig. 8(c) shows a possibility of attaching a positive locking element 37 and the hook 7 to a rod-shaped component 3 if the rod-shaped component 3 has a round cross-sectional geometry.
  • Fig. 9 shows a partial sequence of the assembly process.
  • W1 and W2 schematically represent two double walls, each consisting of two opposing wall panels (wall shells not shown).
  • the double wall W2 sits in the representation of the Fig. 9 already on the foundation (foundation in Fig. 9 not visible).
  • Shown schematically in W2 are the U-shaped bars permanently installed in W2 (reinforcement stirrups 81 - 85) with the cross bars 811-815.
  • the number of reinforcement brackets 81-85 depends on the wall height and is in Fig. 9 shown as an example with five reinforcement stirrups.
  • the reinforcement brackets are permanently connected to the two opposing wall panels.
  • FIG. 9 shows a partial sequence of the assembly process.
  • the first double wall W1 is lowered straight in the direction of arrow R.
  • the lattice basket 20 is also partly shown.
  • the lattice basket covers the length of the rod-shaped component (in Fig. 9 not visible) several spaced apart, in particular equally spaced, brackets 21 - 25, which each have their associated elastically deformable element (in Fig. 9 not visible) are connected to the rod-shaped component.
  • Such a mesh basket is better Fig. 6 visible.
  • the mesh basket is connected to the double wall W1.
  • the guide device 100 is shown. This device comprises a strip 101 with a width B and a length L and a plurality of grooves 102 which are provided for temporarily receiving the brackets 21 - 25.
  • the bar 101 sits on one of its broad sides B on the foundation (as does the double wall W2).
  • the brackets 21 -25 are in the non-equilibrium position and snap into the grooves 102 in the sequence shown. If the W1 is moved further in the direction R, ie in the direction of the foundation, the brackets 21 - 25 are released from the grooves 102 and move into the equilibrium position. The guide device 100 can then be removed. After the assembly process has been completed, the double wall W1 rests on the foundation (in Fig. 9 not visible).
  • the crossbars 811-815 of W2 and crossbars 911-914 of W1 lie horizontally, opposite each other. For example, crossbar 811 is then opposite 911, 812 is opposite 912, 813 is opposite 913, etc.
  • the brackets 21 - 25 are then in the equilibrium position and are horizontal to the rod-shaped component (in Fig. 9 not visible).
  • a part of the bracket 21 comes to rest in this position between the foundation (eg a horizontal concrete slab) and the reinforcement bracket 81.
  • a part of the bracket 22 then lies between the reinforcement bracket 81 and the reinforcement bracket 82.
  • a part of the bracket 23 then lies between the reinforcement bracket 82 and the reinforcement bracket 83.
  • a part of the bracket 24 then lies between the reinforcement bracket 83 and the reinforcement bracket 84.
  • One part of the bracket 25 then lies between the reinforcement bracket 84 and the reinforcement bracket 85. In this way, a so-called lap joint is formed between the double walls W1 and W2.
  • the bar 101 has a width B which is smaller than the horizontal distance of the cross bars 811-815 running in the second double wall W2 and the cross bars 911-913 running in the first double wall W1.
  • the horizontal distance between the crossbars is, for example, 10 cm.
  • the width B is then smaller than 10 cm.
  • the grooves 102 are along the length L of the bar 101 arranged, preferably these are slot-shaped. The grooves 102 run parallel to one another and at an angle to the width B of the bar 101, this angle being between 40° and 70°.
  • a vertical distance between the cross bars (811-815, 911-913) connecting the two wall panels of the first and/or the second double wall W1, W2 is less than 25 cm.
  • Such an arrangement is chosen when constructing earthquake-resistant buildings. It has been found that without the use of the guide device 100, due to the relatively small vertical distance between the cross bars of 25 cm and less, the brackets 21 - 25 cannot be brought into the equilibrium position, they cannot swing in and thus no overlap joint can be formed.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Joining Of Building Structures In Genera (AREA)
EP23173968.1A 2022-05-20 2023-05-17 Joint de mur Pending EP4279677A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH000630/2022A CH719710A2 (de) 2022-05-20 2022-05-20 Doppelwand-Stossbewehrung

Publications (1)

Publication Number Publication Date
EP4279677A1 true EP4279677A1 (fr) 2023-11-22

Family

ID=86387065

Family Applications (1)

Application Number Title Priority Date Filing Date
EP23173968.1A Pending EP4279677A1 (fr) 2022-05-20 2023-05-17 Joint de mur

Country Status (2)

Country Link
EP (1) EP4279677A1 (fr)
CH (1) CH719710A2 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT376741B (de) * 1983-05-16 1984-12-27 Start Studi Ed Applic Ricerca Vorrichtung zur verbindung von baufertigteilen
EP2495375A1 (fr) 2011-03-02 2012-09-05 H&H Technologies Mur à coffrage intégré avec élément mobile de liaison pivotant
EP2873781A1 (fr) * 2013-11-19 2015-05-20 FEHR Groupe Mur à coffrage perdu avec moyen rigide de liaison
EP4163449A1 (fr) * 2021-10-05 2023-04-12 IDSB Ingenierie Mur a coffrage integre avec moyen de liaison deployable et kit de liaison pour un tel mur a coffrage integre

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT376741B (de) * 1983-05-16 1984-12-27 Start Studi Ed Applic Ricerca Vorrichtung zur verbindung von baufertigteilen
EP2495375A1 (fr) 2011-03-02 2012-09-05 H&H Technologies Mur à coffrage intégré avec élément mobile de liaison pivotant
EP2873781A1 (fr) * 2013-11-19 2015-05-20 FEHR Groupe Mur à coffrage perdu avec moyen rigide de liaison
EP4163449A1 (fr) * 2021-10-05 2023-04-12 IDSB Ingenierie Mur a coffrage integre avec moyen de liaison deployable et kit de liaison pour un tel mur a coffrage integre

Also Published As

Publication number Publication date
CH719710A2 (de) 2023-11-30

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