EP3636848B1 - Élément de cale, entretoise dotée d'au moins un tel élément de cale, dispositif de positionnement doté d'une telle entretoise et procédé de positionnement de coffrage de mur - Google Patents
Élément de cale, entretoise dotée d'au moins un tel élément de cale, dispositif de positionnement doté d'une telle entretoise et procédé de positionnement de coffrage de mur Download PDFInfo
- Publication number
- EP3636848B1 EP3636848B1 EP19194098.0A EP19194098A EP3636848B1 EP 3636848 B1 EP3636848 B1 EP 3636848B1 EP 19194098 A EP19194098 A EP 19194098A EP 3636848 B1 EP3636848 B1 EP 3636848B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- spacer
- wedge element
- main body
- wedge
- positioning device
- 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.)
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Links
- 125000006850 spacer group Chemical group 0.000 title claims description 121
- 238000009415 formwork Methods 0.000 title claims description 19
- 238000000034 method Methods 0.000 title claims description 13
- 230000003014 reinforcing effect Effects 0.000 claims description 37
- 239000004567 concrete Substances 0.000 claims description 22
- 230000002787 reinforcement Effects 0.000 claims description 19
- 238000010276 construction Methods 0.000 claims description 13
- 239000011150 reinforced concrete Substances 0.000 claims description 12
- 238000003780 insertion Methods 0.000 claims description 11
- 230000037431 insertion Effects 0.000 claims description 11
- 230000000694 effects Effects 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 claims description 2
- 239000002023 wood Substances 0.000 claims description 2
- 230000008901 benefit Effects 0.000 description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 229910052742 iron Inorganic materials 0.000 description 2
- 208000011092 Hand injury Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Images
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
- E04C5/168—Spacers connecting parts for reinforcements and spacing the reinforcements from the form
-
- 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
- E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
- E04G17/06—Tying means; Spacers ; Devices for extracting or inserting wall ties
- E04G17/064—Spacers placed on the bottom of the mould
Definitions
- the invention relates to a wedge element, a spacer with at least one such wedge element, a positioning device with such a spacer and a method for positioning wall formwork according to the respective independent claim.
- the wall formwork is arranged in such a way that concrete can be poured in between.
- the wall formwork is positioned in advance of the casting process in such a way that the thickness of the wall to be created corresponds as precisely as possible to the specifications.
- the Swiss patents CH687471 and CH651882 of the company Mägert Bautechnik AG and the Swiss patent application 0781/15 from the company Mägert & Co. Innovation disclose methods and devices for positioning wall formwork.
- a wedge element according to the preamble of the claim is from CH 713 432 A2 known.
- the devices include, among other things, plastic parts that are used as stop elements for the wall formwork. These are attached to the ends of a spacer rod (round iron). Their outer surface facing the wall formwork to be attached serves as a reference for the intended position of the wall formwork.
- the devices for positioning wall formwork are used in the manner described below.
- the floor on which the walls are to be erected consists of reinforced concrete, the so-called reinforcing iron or reinforcing rods of which protrude upwards essentially vertically from the floor during the construction phase.
- the positioning devices described above are attached to these reinforcing bars.
- the spacer bar with attached stop elements hereinafter referred to as spacers, is positioned on the reinforcement bar by means of a profile and then attached so that it cannot slip and thereby falsify the intended position of the wall to be built.
- a wedge is driven between the reinforcement rod and the spacer rod.
- a disadvantage of positioning devices in which a wedge is driven between the reinforcement rod and spacer rod is that the wedge is supplied loose with the spacer rod and can thus be lost, or the wedge is connected to the spacer rod but can no longer be inserted by hand between the reinforcement rod and spacer rod can.
- the object of the invention is therefore to find a solution to the disadvantages mentioned above.
- the object is achieved with a wedge element, a spacer with such a wedge element, a positioning device with such a spacer and a method for positioning and fixing the positioning device.
- a first aspect of the invention relates to a wedge element with a displaceable fastening device for fastening the wedge element to a positioning device for positioning wall formwork when creating a concrete part.
- the wedge element is designed to fix the positioning device on a reinforcing rod of the concrete part and comprises a wedge-shaped main body with a first and a second active surface causing a wedge effect.
- the wedge element can be fastened to a spacer rod of the positioning device by means of the fastening device, so that the first active surface faces the spacer rod.
- the fastening device is arranged on the first active surface of the main body and connected to it in such a way that the main body is displaceable in relation to the fastening device essentially in the direction of the wedge effect of the wedge element and in the opposite direction.
- a second aspect of the invention is concerned with a spacer comprising a spacer rod which has a stop element at least at one of its ends, preferably a stop element at both ends.
- the spacer further comprises at least one wedge element according to the first aspect of the invention.
- the wedge element is fastened to the spacer rod by means of its fastening device in such a way that it is freely displaceable along the spacer rod.
- a positioning device for positioning wall formwork when creating a reinforced concrete part.
- the positioning device comprises a spacer according to the second aspect of the invention and a profile with a guide section for receiving a reinforcing rod of the reinforced concrete part and a holding section with openings for receiving the spacer rod of the spacer.
- the profile is designed in such a way that the reinforcing rod is between the spacer rod and the guide section can be accommodated in the profile, so that for setting a proper position of the positioning device, the spacer rod can be moved back and forth in the fastening device and the openings of the profile and is fixed in the intended position by means of the wedge element of the spacer on the reinforcing rod.
- the positioning device according to the third aspect of the invention is preferably used as a stop or spacer bracket in concrete, wood, or metal construction when positioning temporary parts.
- the positioning device is particularly preferably used in concrete construction when positioning wall formwork to form concrete structures (eg concrete walls).
- the wedge element according to the first aspect of the invention can be attached to the spacer rod by means of its fastening device, so that it can no longer be lost.
- the spacer according to the second aspect of the invention can be supplied with the wedge element already attached, which simplifies the work when creating concrete walls.
- the wedge element can, however, also be supplied individually and serve to equip existing spacers, which do not yet benefit from the invention, with them in order to subsequently simplify the work.
- Another advantage results from the fact that the main body of the wedge element can be displaced in relation to the fastening device in the direction of the wedge effect and in the opposite direction. This makes it possible to pre-fix the wedge element manually and only then by means of e.g. a hammer to drive to the end position. Prefixing the wedge element is desirable for several reasons. The most important thing is the security aspect; Without the possibility of pre-fixing, the operator must hold the wedge element with one hand and press the hammer to drive it in with the other hand. This can lead to injuries and should therefore be avoided.
- the wedge element is already in the gap between the reinforcement rod and spacer rod, in other words the wedge element is pretensioned or pre-fixed so that it no longer has to be held when the hammer is finally driven in and the danger described above is eliminated.
- inserting refers to a force acting on the wedge element which is of the order of magnitude of a force that can be exerted by a person.
- driving refers to a force exerted on the wedge element with a hammer or a comparable tool, which force is many times higher than the force when it is inserted.
- FIG. 1 shows a schematic perspective illustration of a construction section for building a wall 10 on a reinforced concrete part 12
- Fig. 2 a perspective side view of the construction section Fig. 1
- the figures show a positioning device 8 according to the invention which is fastened to a reinforcing rod 9 of the concrete part 12.
- a positioning device 8 is used in practice to ensure that the wall 10 to be built is correctly positioned over its entire length.
- a wall is chosen as an illustrative example of a partial structure, but the invention can also be used for the construction of other partial structures.
- the positioning device 8 comprises a spacer 7 with a spacer rod 6 and preferably two stop elements 6a. Furthermore, the positioning device comprises a profile 5 which holds the spacer 7 and is fastened together with it to the reinforcing rod 9 by means of a wedge element 1.
- the positioning device 8 is arranged in such a way that the stop elements 6a each strike a wall formwork 11, which is best shown in the illustration Fig. 2 you can see.
- Wall formwork 11 are attached to both sides of the walls 10 and are used to shape the wall 10 when pouring the concrete.
- the term "intended position” in connection with any element of the inventive devices is understood as that position of the element which contributes to achieving correct positioning of the wall 10.
- the intended position of the stop element 6a is directly on the wall formwork 11.
- the intended position of the profile 5 is on the concrete part 12.
- the profile 5 could also be fastened further up along the reinforcement rod 9, its location on the floor has the advantage that the reinforcing rod 9 is most insensitive to lateral bending in this area and therefore the fastening of the positioning device 8 at this point results in the most precise determination of the position of the wall 10.
- the wedge element 1 can be retrofitted individually at existing construction sites in one use. In a further application, it can be supplied as part of the spacer 7 mentioned above. Again, a spacer 7 according to the invention can also be part of the positioning device in a further use case 8, which corresponds to a complete solution that can be used immediately for attachment to reinforcing rods 9.
- the spacer 7 comprises a spacer rod 6 which has a stop element 6a at each of its ends.
- the spacer 7 further comprises a wedge element 1 according to the invention.
- the wedge element 1 is fastened to the spacer rod 6 by means of a fastening device 1 a of the wedge element 1 in such a way that it can be freely displaced along the spacer rod 6.
- the fastening device 1a of the wedge element 1 comprises a holding element, here two rings 3c, for fastening the wedge element 1 to the spacer rod 6 and a connecting link, here a one-piece clamp 2c, for fastening the holding element 3c to a main body 1b of the wedge element 1.
- a holding element here two rings 3c
- a connecting link here a one-piece clamp 2c
- Fig. 4 shows a positioning device 8 according to the invention, which is attached to the reinforcing rod 9 of the concrete part 12 Figs. 1 and 2 is attached.
- the positioning device 8 comprises a spacer 7 according to FIG Fig. 3 and a profile 5 with a guide section 5a for receiving the reinforcing rod 9 and a holding section 5b with openings 5c for receiving the spacer rod 6 of the spacer 7.
- the profile 5 is preferably a U-profile or a V-profile, the legs of which hold the holding section 5b and the portion connecting the legs of which forms the guide portion 5a.
- the profile 5 is designed in such a way that the reinforcing rod 9 can be accommodated in the profile 5 between the spacer rod 6 and the guide section 5a.
- the positioning device 8 in a non-fixed state can initially be moved along the reinforcing rod 9 so that the vertical position can be adjusted.
- the profile 5 is preferably arranged on the floor of the concrete part 12, it may be necessary in some cases to shift the vertical position of the positioning device 8 upwards, for example if an obstacle makes it impossible to attach the concrete part 12 to the floor power.
- the spacer 7 is placed in the openings 5c of the profile 5 provided for this purpose. Depending on the thickness of the reinforcing rod 9 to be received, the appropriate openings 5c are selected. To set a proper position of the positioning device 8, the spacer rod 6 is laterally displaceable back and forth in the openings 5c of the profile 5.
- the holding element 3c is arranged between the legs 5b of the profile 5 and is designed in such a way that the holding element 3c remains in its place with respect to the profile 5 when the spacer rod 6 moves laterally. As a result, the spacer rod 6 can be displaced until it has reached its intended position in which it is then fixed on the reinforcing rod 9 by means of the wedge element 1.
- the openings 5c can also be configured as through openings for pushing through the spacer rod 6 of the spacer 7 or as openings open at the top (in the exemplary case at hand) for placing the spacer 7 therein.
- the openings 5c are arranged in such a way that the spacer 7 can be received therein horizontally when the reinforcing rod 9 is vertical.
- the wedge element 1 basically comprises a wedge-shaped main body 1b with a first and a second active surface 4a, 4b causing a wedge effect. Furthermore, all embodiments of the wedge element 1, As mentioned, basically a fastening device 1a with a holding element and a connecting link for fastening the wedge element 1 to the spacer rod 6, which is preferably designed so that the main body 1b can be moved laterally on the spacer rod 6 on the one hand and vertically with respect to the fastening device 1a on the other.
- the wedge element 1 can be fastened to the spacer rod 6 of the positioning device 8 by means of the fastening device 1a in such a way that the first active surface 4a of the wedge element 1 faces the spacer rod 6 (see FIG Fig. 4 ).
- the fastening device 1a is basically arranged on the first active surface 4a of the main body 1b and is connected to this in such a way that the main body 1b is displaceable in relation to the fastening device 1a essentially in the direction of the wedge effect K of the wedge element 1 and in the opposite direction. This makes it possible to move the main body 1b of the wedge element 1 essentially along the reinforcement rod 9, although it is at the same time attached to the spacer rod 6. This allows a pre-tensioning or pre-fixing of the wedge element 1 between spacer rod 6 and reinforcement rod 9, which is in connection with Figures 11 to 19 is explained in more detail.
- the retaining element of the fastening device 1a has the advantage that the wedge element 1 cannot be lost. Its configuration, which can be displaced on the spacer rod 6, has the further advantage that the spacer 7 is flexible with regard to its adaptation to the fixed position of the reinforcing rod 9.
- the embodiments of the wedge element 1 described below differ in the respective special design of the holding element and the connecting link of the fastening device 1a.
- the design of the link affects the design of the main body 1b in relation to the type of attachment used for the link.
- the direction of action of the wedge is indicated by the arrow K for all embodiments.
- the wedge action direction K is to be understood as that direction in which a force acts to fix the wedge.
- the wedge action direction is assumed to be essentially along the reinforcement bar 9 in the direction of the concrete part 12, in other words in the direction of the weight force.
- a slightly different direction of the force is also expedient, which is expressed by the term "essentially”.
- the holding element is a tube 3a in which the spacer rod 6 can be received.
- This embodiment produces a particularly stable connection with the spacer rod 6.
- the tube 3a is connected to the main body 1b with a clamp 2a as a connecting link.
- the clamp 2a is connected to the tube 3a at both ends of the tube 3a, or it can be a two-part link, with an independent clamp 2a being attached to each end of the tube 3a.
- the multi-part design of the connecting link is also possible in other embodiments where this makes sense.
- the main body 1b has a first guide channel 4c on both sides which do not develop any wedge effect, ie on the lateral surfaces of the main body 1b.
- the clamp or clamps 2a can each be clamped slidably in one of the first guide channels 4c.
- the holding element is a ring 3b and the connecting link is a particular one-piece clamp 2b.
- the main body 1b has as in the embodiment Fig. 5 also guide channels 4c so that it is displaceable with respect to the fastening device 1a.
- This embodiment is characterized by material savings in the case of the holding element 3b.
- the holding element has two rings 3c for receiving the spacer rod 6. These are connected to the main body 1b at a distance from one another by means of an in particular one-piece clamp 2c.
- the main body 1b has a second guide channel 4d on the first active surface 4a.
- the retaining element is as in Fig. 5 also designed as a pipe 3d.
- the link is a guide rod 2d which is slidably attached in the second guide channel 4d of the main body 1b.
- the guide rod 2d has a stopper on the second active surface 4b (not visible) so that it cannot fall out of the guide channel 4d.
- Fig. 9 is the holding element as in Fig. 6 also designed as a ring 3e. It is connected to one end of a particularly elastic wire 2e as a connecting link with the main body 1b. A free end of the wire 2e is displaceably mounted in a hole 4e in the main body 1b, such that the ring 3e can be displaced with respect to the active surface 4a.
- the wire 2e can bend elastically or move in the direction of the second active surface 4b through the hole 4e, or both.
- the fastening device 1a comprises an elastic ring 3f as a holding element, in particular designed as a security thread, for fastening the wedge element 1 to the spacer rod 6.
- the ring 3f is guided through a hole 4f in the lower region of the main body 1b and also serves as a connecting link.
- the ring 3f can bend elastically or move in the direction of the second active surface 4b through the hole 4f, or both (see FIG Fig. 16 ).
- the fastening device 1a is in one piece. It is noted that the retaining element and the link from the previous Embodiments of the wedge element 1 can also be designed in one piece.
- the holding element is elastic and essentially plate-shaped. It is attached to the main body on its underside at a distance from the first active surface, so that the spacer rod can be inserted in the space between the plate and the active surface.
- the connecting link is at least one clamping element that is firmly connected to the holding element at one end in the upper area of the holding element and at the other end is hooked into an upper corner of the second active surface in such a way that there is a displacement of the upper area of the elastic holding element in the direction of the first active surface and back allowed.
- the connecting link can comprise at least one band which is firmly connected to the main body and which is elastically bendable.
- a method according to the invention for positioning and fixing a positioning device 8 explained on a reinforcing rod 9.
- Two figures are shown for one embodiment of the wedge element 1, the placed spacer rod 6 with attached wedge element 1 being shown in the first figure (for pre-fixing the wedge element) and in the second figure the wedge element is inserted or driven in (for final fixing of the wedge element).
- Figures 11 and 12 show side views of the positioning device according to the invention Fig. 4 with a wedge element according to Fig. 7 .
- Figures 13 and 14 show side views of the positioning device according to the invention Fig. 4 with a wedge element according to Fig. 9 .
- Figures 15 and 16 show side views of the positioning device according to the invention Fig. 4 with a wedge element according to Fig. 10 .
- Figures 17 and 18 each show a view of the insertion process for the wedge element 1 carried out by an operator 13 Fig. 7 not yet plugged in ( Fig. 17 ) and when plugging in ( Fig. 18 ).
- Fig. 19 shows a view obliquely from above the arrangement Figures 17 and 18 for further illustration of the insertion process.
- the method explained below for positioning and fixing the positioning device 8 on the reinforcing rod 9 comprises several steps.
- a) the profile 5 is positioned on the reinforcing rod 9, which is best shown in Fig. 17 is visible.
- a preparatory step b which can optionally be carried out before or after step a)
- the spacer rod 6 of the spacer 7 is placed on or in the holding section 5 b of the profile 5.
- both stop elements 6a can be mounted beforehand on the ends of the spacer rod 6. If, in the other embodiment, the spacer rod 6 is pushed through the legs of the profile 5, at least one of the stop elements 6a must then be installed if two and not just one stop element 6a is used.
- step c) the spacer rod 6 arranged in the holding section 5b of the profile 5 is positioned such that the stop elements 6a of the spacer 7 are arranged in the intended position, as in FIG Figs. 1 and 2 shown.
- the positioning device 8 is pre-fixed on the reinforcing rod 9 by inserting the main body 1b of the wedge element 1 between the spacer rod 6 and the reinforcing rod 9, as in FIG Fig. 18 and 19th shown.
- the main body 1b of the wedge element 1 is displaced downward relative to the fastening device 1a during insertion.
- the main body 1b is pushed in until the wedge element 1 remains stuck without any further external influence, which is shown in Fig.12 is shown.
- a last step e) the positioning device 8 is finally fixed on the reinforcing rod 9 by the inserted wedge element 1 being driven further between the spacer rod 6 and the reinforcing rod 9 by means of a tool (not shown), which is shown in FIG Fig. 14 and 16 is shown.
- the link 2d has such a length that the pipe 3d with a play at the first Active surface is arranged so that when the main body 1b is inserted and driven in to the intended position, the pipe 3d does not cause any blocking effect.
- the advantage of the present invention is on the one hand that the wedge element is equipped with a fastening device which allows it to be fastened to the spacer rod so that the wedge element cannot be lost.
- the displaceability of the main body of the wedge element with respect to the fastening device allows the wedge element to be pre-fixed without the wedge element having to be held manually as in known solutions for the final fixing step. This prevents serious hand injuries due to the high force required when driving. Last but not least, the driving step is more comfortable for the person because they do not have to use both hands.
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
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- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Claims (16)
- Elément de clavette (1) avec un dispositif de fixation (1a), qui est librement déplaçable le long d'une barre d'écartement (6), pour la fixation de l'élément de clavette (1) à un dispositif de positionnement (8) pour le positionnement d'un coffrage mural (11) lors de l'érection d'un mur (10) sur une partie en béton armé (12), dans lequel l'élément de clavette (1) est adapté pour fixer le dispositif de positionnement (8) à une barre d'armature (9) de la partie en béton (12) et comprend un corps principal en forme de clavette (1b) avec une première et une deuxième surface active (4a, 4b) qui produissent un effet de clavette, dans lequel l'élément de clavette (1) est fixé au moyen du dispositif de fixation (1a) à la barre d'écartement (6) du dispositif de positionnement (8) de sorte que la première surface active (4a) soit tournée vers la barre d'écartement (6), dans lequel le dispositif de fixation (1a) est disposé sur la première surface active (4a) du corps principal (1b), caractérisé en ce que le dispositif de fixation (1a) est relié au corps principal (1b) de telle manière que le corps principal (1b) peut être déplacé par rapport au dispositif de fixation (1a) sensiblement dans la direction de l'effet de clavette (K) de l'élément de clavette (1) et dans la direction opposée.
- Elément de clavette selon la revendication 1, dans lequel le dispositif de fixation (1a) comprend un élément de support (3a ; 3b ; 3c ; 3d ; 3e ; 3f) pour fixer l'élément de clavette (1) à la barre d'écartement (6) et un élément de liaison (2a ; 2b ; 2c ; 2d ; 2e ; 3f) pour fixer l'élément de support (3a ; 3b ; 3c ; 3d ; 3e ; 3f) au corps principal (1b).
- Elément de clavette selon la revendication 2, l'élément de support (3b ; 3c ; 3e) comprenant au moins un anneau, en particulier deux anneaux, le ou les anneaux (3b ; 3c ; 3e) étant adaptés pour recevoir la barre d'écartement (6).
- Elément de clavette selon la revendication 2 ou 3, dans lequel l'élément de support (3a ; 3d) comprend au moins un tube qui est adapté pour recevoir la barre d'écartement (6).
- Elément de clavette selon l'une des revendications 2 à 4, le corps principal (1b) présentant sur au moins un côté qui ne développe pas d'effet de clavette au moins un premier canal de guidage (4c), et l'élément de liaison étant une pince (2a ; 2b ; 2c) qui peut être serrée de manière déplaçable dans le au moins un premier canal de guidage (4c), la pince (2a ; 2b ; 2c) étant particulièrement serrée sur deux côtés du corps principal (1b) dans un canal de guidage (4c) de chaque côté.
- Elément de clavette selon l'une des revendications 2 à 5, dans lequel le corps principal (1b) présente au moins un deuxième canal de guidage (4d) sur la première surface active (4a) et dans lequel l'élément de liaison est une tige de guidage (2d) qui est fixée de manière déplaçable dans le au moins un deuxième canal de guidage (4d) du corps principal (1b).
- Elément de clavette selon la revendication 3, dans lequel l'anneau (3e) est relié au corps principal (1b) par une extrémité d'un fil (2e) en particulier élastique comme élément de liaison, dans lequel une extrémité libre du fil (2e) est montée de manière déplaçable dans un trou (4e) dans le corps principal (1b) de telle sorte que l'anneau (2e) est déplaçable par rapport à la première surface active (4a).
- Elément de clavette selon la revendication 2, le dispositif de fixation (1a) comprenant un anneau (3f), en particulier conçu comme un fil de sécurité, pour la fixation de l'élément de clavette (1) à la barre d'écartement (6), l'anneau (3f) étant guidé à travers un trou (4f) dans la zone inférieure du corps principal (1b) et combinant l'élément de support et l'élément de liaison.
- Elément de clavette selon l'une des revendications précédentes, dans lequel le dispositif de fixation (1a) est conçu pour pouvoir tourner par rapport au corps principal (1b) le long d'un secteur de cercle.
- Ecarteur (7), comprenant une barre d'écartement (6) qui présente un élément d'arrêt (6a) à au moins une de ses extrémités, en particulier un élément d'arrêt (6a) à chacune de ses deux extrémités, comprenant en outre au moins un élément de clavette (1) selon l'une des revendications précédentes, dans lequel l'élément de clavette (1) est fixé à la barre d'écartement (6) au moyen de son dispositif de fixation (1a) de telle sorte qu'il peut être librement déplacé le long de la barre d'écartement (6).
- Dispositif de positionnement (8) pour le positionnement d'un coffrage de mur (11) lors de l'érection d'un mur (10) sur une pièce en béton armé (12), comprenant un écarteur (7) selon la revendication 10 et un profilé (5) avec une section de guidage (5a) pour recevoir une barre d'armature (9) de la pièce en béton armé (12) et une section de support (5b) avec des ouvertures (5c) pour recevoir la barre d'écartement (6) de l'écarteur (7), dans lequel le profilé (5) est adapté de telle manière que la barre d'armature (9) peut être logée dans le profilé (5) entre la barre d'écartement (6) et la section de guidage (5a), de telle manière que, pour régler une position prévue du dispositif de positionnement (8), la barre d'écartement (6) peut être déplacée d'avant en arrière dans le dispositif de fixation (1a) et les ouvertures (5c) du profilé (5) et est fixée à la barre d'armature (9) dans la position prévue au moyen de l'élément de clavette (1) de l'écarteur (7).
- Dispositif de positionnement selon la revendication 11, dans lequel le profilé (5) est un profilé en U ou en V dont les branches forment la section de support (5b) et dont la partie reliant les branches forme la section de guidage (5a), dans lequel chaque branche présente au moins une ouverture (5c) pour recevoir la barre d'écartement (6) de l'écarteur (7), les ouvertures (5c) étant en particulier conçues comme des ouvertures de passage pour faire passer la barre d'écartement (6) de l'écarteur (7) ou comme des ouvertures (5c) ouvertes vers le haut pour y placer l'écarteur (7), les ouvertures (5c) étant en particulier disposées de telle sorte que l'écarteur (7) puisse y être reçu horizontalement lorsque la barre d'armature (9) est verticale.
- Dispositif de positionnement selon la revendication 11 ou 12, dans lequel la section de support (5b) présente plusieurs ouvertures (5c) à différentes distances de la section de guidage (5a) pour recevoir des barres d'armature (9) de différents diamètres.
- Dispositif de positionnement (8) selon les revendications 11 à 13, dans lequel l'élément de support (3a ; 3b ; 3c ; 3d ; 3e ; 3f) est disposé entre les branches du profilé 5 et est adapté de telle sorte que, lors d'un mouvement latéral de la barre d'écartement (6), l'élément de support (3a-3f) reste à la même position dans le profilé (5).
- Procédé de positionnement et de fixation d'un dispositif de positionnement (8) selon l'une des revendications 11 à 14 sur une barre d'armature (9) d'une pièce en béton armé (12) comprenant les étapesa) Positionner le profilé (5) sur la barre d'armature (9),b) Insérer la barre d'écartement (6) de l'écarteur (7) sur ou dans la section de support (5b) du profilé (5), soit avant soit après a),c) Positionner la barre d'écartement (6) disposée dans la section de support (5b) du profilé (5) de telle sorte que les éléments d'arrêt (6a) du dispositif de positionnement (8) soient disposés dans la position prévue,d) Pré-fixer le dispositif de positionnement (8) sur la barre d'armature (9) en insérant le corps principal (1b) de l'élément de clavette (1) entre la barre d'écartement (6) et la barre d'armature (9), le corps principal (1b) de l'élément de clavette (1) étant déplacé par rapport au dispositif de fixation (1a) pendant l'insertion, le corps principal (1b) étant inséré jusqu'à ce que l'élément de clavette (1) reste inséré sans autre action extérieure, ete) Fixation finale du dispositif de positionnement (8) sur la barre d'armature (9) en enfonçant au moyen d'un outil l'élément de clavette inséré (1) plus loin entre la barre d'écartement (6) et la barre d'armature (9).
- Utilisation du dispositif de positionnement (8) selon l'une des revendications 11 à 14 comme butée ou écarteur dans une construction en béton, en bois ou en métal pour le positionnement de pièces temporaires, en particulier dans une construction en béton pour le positionnement de coffrages muraux pour la construction d'éléments en béton armé, en particulier pour la construction de murs en béton.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH01181/18A CH715391A2 (de) | 2018-09-27 | 2018-09-27 | Keilelement, Abstandhalter mit mindestens einem solchen Keilelement, Positioniervorrichtung mit einem solchen Abstandhalter und Verfahren zur Positionierung von Wandschalungen. |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3636848A1 EP3636848A1 (fr) | 2020-04-15 |
EP3636848B1 true EP3636848B1 (fr) | 2020-12-30 |
Family
ID=67777205
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19194098.0A Active EP3636848B1 (fr) | 2018-09-27 | 2019-08-28 | Élément de cale, entretoise dotée d'au moins un tel élément de cale, dispositif de positionnement doté d'une telle entretoise et procédé de positionnement de coffrage de mur |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP3636848B1 (fr) |
CH (1) | CH715391A2 (fr) |
DK (1) | DK3636848T3 (fr) |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
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CH78115A (de) | 1918-01-07 | 1918-06-17 | Alfons Ruf | Unterlagenplatte für lose Buchhaltungs-Journalblätter, Durchschreibeblätter und Karten zum Durchschreiben |
CH118118A (de) | 1924-04-04 | 1926-12-16 | Mc Mahon O Brien Morgan Cypria | Einrichtung zur Verhinderung der Beraubung von Kassenschaltern. |
CH651882A5 (de) | 1982-01-07 | 1985-10-15 | Maegert Bautechnik Ag | Verfahren zum versetzen einer anschlaghalterung fuer eine grossflaechenwandschalung und anordnung zur durchfuehrung des verfahrens. |
CH687471C2 (de) | 1994-03-09 | 2004-08-13 | Maegert Bautechnik Ag | Verfahren zum Setzen eines Anschlag- oder Distanzhalters. |
WO1997036070A1 (fr) * | 1996-03-22 | 1997-10-02 | Giulio Albanese | Porte-butee pour coffrage mural |
CH697098A5 (de) * | 2001-11-19 | 2008-04-30 | System Albanese | Distanzhalterkeil. |
CH695905A5 (de) * | 2001-11-19 | 2006-10-13 | System Albanese | Abstand- und Distanzhalter. |
CH710039A2 (de) * | 2014-08-18 | 2016-02-29 | Pino Albanese | Anschlaghalter für eine Wandschalung. |
CH711156B1 (de) * | 2015-06-01 | 2018-11-30 | Maegert & Co Innovation | Anschlagelement, Positioniervorrichtung mit mindestens einem solchen Anschlagelement und Verfahren zur Positionierung von Wandschalungen. |
CH713432A2 (de) * | 2017-02-01 | 2018-08-15 | Albanese Pino | Verfahren zum Verbinden eines Distanzhalterstabs mit einem Anschlusseisen an einer Teilbaute, sowie einen Keil, eine Abstand- und Anschlaghalteranordnung und ein Halter. |
-
2018
- 2018-09-27 CH CH01181/18A patent/CH715391A2/de not_active Application Discontinuation
-
2019
- 2019-08-28 EP EP19194098.0A patent/EP3636848B1/fr active Active
- 2019-08-28 DK DK19194098.0T patent/DK3636848T3/da active
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Also Published As
Publication number | Publication date |
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DK3636848T3 (da) | 2021-03-01 |
CH715391A2 (de) | 2020-03-31 |
EP3636848A1 (fr) | 2020-04-15 |
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