EP3640410B1 - Ancre de levage - Google Patents

Ancre de levage Download PDF

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Publication number
EP3640410B1
EP3640410B1 EP19203686.1A EP19203686A EP3640410B1 EP 3640410 B1 EP3640410 B1 EP 3640410B1 EP 19203686 A EP19203686 A EP 19203686A EP 3640410 B1 EP3640410 B1 EP 3640410B1
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EP
European Patent Office
Prior art keywords
sliding shoe
bracket
transport anchor
legs
wall
Prior art date
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Active
Application number
EP19203686.1A
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German (de)
English (en)
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EP3640410A1 (fr
EP3640410A8 (fr
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BS Ingenieure AG
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BS Ingenieure AG
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Publication of EP3640410A1 publication Critical patent/EP3640410A1/fr
Publication of EP3640410A8 publication Critical patent/EP3640410A8/fr
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Publication of EP3640410B1 publication Critical patent/EP3640410B1/fr
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/14—Conveying or assembling building elements
    • E04G21/142—Means in or on the elements for connecting same to handling apparatus
    • E04G21/145—Means in or on the elements for connecting same to handling apparatus specific for hollow plates
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/14—Conveying or assembling building elements
    • E04G21/142—Means in or on the elements for connecting same to handling apparatus

Definitions

  • the invention relates to a transport anchor for reinforced concrete walls with two spaced-apart wall shells with a bracket that has a curved central section for suspending attachment means and bracket legs that are at least partially straight and parallel to one another and can be embedded in wall panels.
  • a pressure rod is arranged, which is not rigidly connected to the loads to be absorbed with these, with a sliding shoe for the respective bracket leg is arranged on at least one end of the pressure rod, which the pressure rod in its longitudinal direction with a bottom wall and two side walls as well as with an end wall at the front, the end wall of the sliding shoe opposite the respective bracket leg being designed as a sliding surface for this, and the side walls of the sliding shoe extending beyond the end of the pressure rod and there as side guides for the respective Bracket legs are formed in the longitudinal direction.
  • a transport anchor is off, for example DE 10 2005 009 708 B4 known.
  • the compression rod is formed there from a flexible material such as wood, plastic or textile fiber concrete.
  • the bracket legs are each inserted into end-side, channel-shaped recesses of the pressure rod.
  • the bracket legs are held together in their parallel alignment by a bracket in the end area of the bracket legs, which overlaps them in a U-shape. At the same time, the pressure rod is thereby clamped between them.
  • the DE 102011055 142 A1 relates to a double wall with a first shell, a second shell - in particular parallel to the first shell - and with at least one transport anchor.
  • the transport anchor comprises a bracket with two legs and a pressure rod arranged between the legs.
  • the compression rod has a transmission element, in particular an elastic element, at at least one end. This is in full-surface contact with the first shell and increases the force exerted area of the forces exerted by the pressure rod on the first shell.
  • the DE202014103774 U1 relates to a hollow wall anchor, consisting of an elongated metal part with a substantially constant cross section, which is bent into a U-shape, and that is defined by a 180 ° U-bend and two U-legs extending in parallel planes, which is defined by a Cross brace are connected to each other.
  • the U-shaped metal part consists of a steel wire rope.
  • the object of the invention is to further improve the transport anchors, which have been tried and tested per se.
  • the transport anchor comprises a bracket, for example made of steel, which has a curved central section for attaching slings, for example a crane hook or a snap hook, and at least partially straight and parallel bracket legs connected to it on both sides for embedding in wall shells.
  • a pressure rod is arranged between the bracket legs in the area of their upper ends, at the transition to the central section. This pressure rod is not rigidly connected to the two bracket legs. Since there is no rigid connection to the compression rod, the bracket legs can slide along the end faces of the compression rod when they deform under tension in the area of the compression rod, in particular under expansion.
  • Such a compression rod can be made thin in its cross-section compared to the compression rod made of wood known from the prior art, which correspondingly reduces the absorption of moisture and the resulting moisture bridges to the wall shells.
  • this sliding is facilitated by a sliding shoe.
  • a sliding shoe is arranged on at least one end of the pressure rod for the respective bracket leg.
  • the sliding shoe comprises a bottom wall and two side walls as well as an end wall.
  • the pressure rod is encompassed in its longitudinal direction with a bottom wall and two side walls by the sliding shoe and on the front side by its end wall.
  • the front wall of the The sliding shoe is designed as a sliding surface for the respective bracket leg.
  • the side walls of the sliding shoe extend beyond the end of the pressure rod and serve there as side guides for the respective bracket limb in its longitudinal direction.
  • the sliding shoe is made at least partially from punching and bending from a flat material such as sheet steel. This process is simple and cost effective.
  • the compression rod is preferably made of steel as a solid rod (solid rod). Such a rod does not represent a moisture bridge between the wall shells.
  • the rod can, for example, have a round or, alternatively, an angular cross-section.
  • a rod can also be used, which represents a hollow body with a round or angular cross-section.
  • the bottom wall merges into the end wall with a rounded edge, thereby preventing the end wall from notching into the bracket leg under load.
  • the side walls of the slide shoe grip around the pressure rod in its longitudinal direction, preferably by means of first edge sections bent against one another in a form-fitting manner.
  • the side wall of the sliding shoe encompasses the respective stirrup leg in a form-fitting manner in its longitudinal direction, preferably by means of second edge sections bent against one another.
  • the end wall of the sliding shoe which is designed as a sliding surface, or a side of the sliding shoe facing the pressure rod or the respective stirrup leg is provided with a layer or coating of a for the respective stirrup leg more slippery material than the material of the sliding shoe, moreover, is provided. In this way, the sliding of the stirrup leg along the end face of the sliding shoe is improved.
  • the bracket leg is connected to the slide shoe by means of a spot weld. This welded connection is made before the transport anchor is installed in the two wall shells and secures the cohesion of the parts and the position of the compression rod. This connection can be released under the forces that occur when transporting double-shell walls.
  • the sliding shoe is made at least partially from cast steel.
  • the sliding shoe is designed as a sleeve, for example made of steel.
  • the sleeve encompasses the compression rod in a form-fitting manner in its longitudinal direction.
  • the side walls, the bottom walls and the end wall are formed by the sleeve.
  • the sleeve therefore has a total of four slots at one of its two ends, which form four edge sections.
  • Two of the four edge sections encompass the respective stirrup leg in its longitudinal direction.
  • the other two edge sections are curved and at least one of these two edge sections forms the end wall.
  • the bracket of the transport anchor according to the invention is preferably made of smooth steel or a steel cable, in particular with a round cross-section.
  • smooth steel is that the bracket legs are in the wall shells of the reinforced concrete wall rigid bracket can be designed so that it protrudes above the double shell wall in particular. When applying tensile forces, it can also better adapt to the respective tensile angle.
  • the compression rod is made of inexpensive rebar steel, preferably with a round cross section.
  • a sliding shoe is provided on both ends of the pressure rod.
  • a cross connection is provided between the bracket legs in the area of their lower free ends, which keeps the two bracket legs at a mutual distance, so that a clamping pressure is generated on the compression rod.
  • the transport anchor according to the invention comprises an additional longitudinal anchoring of the bracket legs in the wall shells.
  • This additional anchoring as well as the aforementioned cross connection of the bracket legs is realized in one embodiment of the invention by a rod, preferably made of steel, which is welded to the bracket legs in the area of their lower free ends, preferably protruding transversely.
  • a ribbed concrete rod is welded as additional longitudinal anchoring in the wall shells at their lower free ends, preferably extending and preferably overlapping.
  • These rods can be relatively thin, as their rib structure favors a fixation in the concrete wall shell.
  • a cross connection between the two bracket legs can be made here with a rod which is welded with its end faces to the bracket legs. Since this rod does not have to contribute anything to the longitudinal anchoring of the stirrup legs, it does not need to protrude beyond them.
  • a U-shaped bent concrete rib bar is provided as additional longitudinal anchoring of the stirrup legs and preferably at the same time to form a cross connection.
  • This U-shaped concrete rib bar is welded with its U-legs to the free ends of the bracket legs, preferably extending them and preferably overlapping with them.
  • the U-shaped bent concrete rib bar is further preferably welded to the free ends of the bracket legs in such a way that its U-legs are directed upwards and its bent sections come to lie below. Because there are practically no tensile forces that could cause concrete spalling in the area where the bent sections emerge from the wall shells. The tensile forces can already be effectively introduced into the concrete of the wall shells through the u-legs arranged above.
  • bracket legs to form a cross connection and / or to form an additional longitudinal anchoring of the bracket legs in the wall shells form an independent inventive concept that may still be claimed within the scope of a divisional application, regardless of the solution primarily claimed here with at least one Sliding shoe.
  • the slide shoe is designed as an at least two-part slide bearing.
  • This comprises a hook element with an attached slide rail and a slide bearing bushing that completely or partially surrounds the slide rail and the pressure rod.
  • the hook element is designed to grip around the respective bracket leg, preferably by means of a snap or clamp connection.
  • the set The slide rail of the hook element serves to reduce the sliding friction, so that tilting between the slide bearing bushing, in particular burrs on the edges of the slide bearing bushing and the pressure rod or the respective bracket leg, is significantly reduced.
  • it is not necessary to reduce the roughness of the surface, in particular the surface properties of the side walls, by grinding, so that the production of the sliding shoe is more efficient.
  • the hook element allows the pressure rod and the slide shoe to be easily attached to the respective bracket leg, which makes assembly easier.
  • the end wall of the sliding shoe can be formed by the hook element and the side walls by the sliding bearing bush.
  • the hook element with the attached slide rail has a more slidable material than the material of the sliding bearing bushing or consists of a material that is more slippery than the material of the sliding bearing bushing.
  • the plain bearing bush is typically made of metal, in particular steel.
  • the material of the hook element is softer than the material of the plain bearing bushing and / or the pressure rod.
  • the more lubricious material of the hook element is a polymeric material such as polyethylene or polypropylene.
  • Fig. 1 is shown under a.) an embodiment of the inventive transport anchor 1 in a view from the front.
  • This comprises a bracket 2 with a central section 21 and two bracket legs 22A and 22B.
  • the middle section 21 is set up for this purpose, a lifting device, for example a crane hook (in Fig. 1 not visible).
  • the two parallel bracket legs 22A and 22B are fixed in two spaced apart wall shells (in Fig. 1 these wall shells are not shown).
  • the two bracket legs 22A and 22B adjoin the central section 21 and are straight in the present embodiment.
  • a pressure rod 3 runs between the two bracket legs 22A and 22B at their upper end at the transition to the central section 21.
  • the pressure rod 3 is embedded with its ends in the wall shells, but not rigidly connected to the bracket legs 22A, 22B.
  • the latter is important so that the two bracket legs 22A, 22B can slide along the compression rod 3 under tension (tensile force Z).
  • a sliding shoe 4A, 4B for the respective bracket leg 22A, 22B is arranged on at least one end of the pressure rod 3, which the pressure rod 3 in its longitudinal direction with a bottom wall 41A, 41B and two side walls 42A and 42B and at the end with a End wall 43A, 43B engages around.
  • the two end walls 43A, 43B form a sliding surface F for the two bracket legs 22A, 22B.
  • first edge sections 421, 422 which are bent relative to one another and which encompass the compression rod 3 in a form-fitting manner in its longitudinal direction.
  • second edge sections 423, 424 which are bent relative to one another and which positively engage around the respective bracket legs 22A, 22B in its longitudinal direction.
  • a cross connection is provided in the area of their lower free ends, which keeps the two bracket legs at a mutual distance, so that a clamping pressure is generated on the pressure rod 3.
  • the embodiment shown is a rod 6, which is preferably made of steel and is welded to the bracket legs 22A, 22B in the region of their lower free ends. The fact that the rod 6 protrudes slightly transversely over the bracket legs 22A, 22B (while leaving a sufficient concrete cover) results in an additional longitudinal anchoring of the bracket legs 22A, 22B in the wall shells in addition to a transverse connection.
  • a side view of the transport anchor 1 is shown under b.).
  • the central section 21 and the bracket legs 22A of the bracket 2 are visible.
  • One of the two sliding blocks 4A and the side wall 42A are also shown, which positively encompasses the bracket leg 22A in its longitudinal direction by means of second edge sections 423 bent against each other.
  • the rod 6, which serves as a cross connection and as an additional longitudinal anchorage for the bracket legs in the wall shells, is also visible in cross section. This rod protrudes across the two bracket legs (shown under a.)).
  • Fig. 2 shows under a.) a second embodiment of the transport anchor 1 according to the invention in a view from the front.
  • the difference to the first embodiment lies in the cross connection of the two bracket legs 22A and 22B and in their additional longitudinal anchoring in the wall shells.
  • a straight rod 6 ' in the area of the lower free ends of the bracket legs, a straight rod 6 'runs transversely to these, but which does not protrude beyond the two bracket legs.
  • This rod 6 ' is made thinner compared to the compression rod 3 and is not necessarily made of steel.
  • a ribbed concrete rod 6A, 6B is welded to their lower free ends, extending and overlapping them.
  • Fig. 2 shows under b.) in a side view of the transport anchor 1 according to the invention the extension of the bracket leg 22A by the rod 6A. Furthermore, the overlap of the bracket leg 22A by the rod 6A is clearly visible.
  • Fig. 3 shows under a.) a third embodiment of the inventive lifting anchor 1 in a view from the front.
  • the difference to the first and second embodiment lies in the cross connection of the two bracket legs 22A, 22B and in their additional longitudinal anchoring in the wall shells.
  • a U-shaped bent concrete rib bar 7 with legs 71, 72 is provided for this purpose.
  • This ribbed concrete rod 7 is welded with its legs 71, 72 to the free ends of the bracket legs 22A, 22B, extending them and overlapping them.
  • Fig. 3 shows under b.) a side view of the third embodiment of the inventive lifting anchor 1.
  • the extension of the bracket leg 22A with the leg 72 of the U-shaped bent concrete rod 7 and the overlap in the area of the lower free end of the bracket leg 22A is visible.
  • Fig. 4 shows under a.) a fourth embodiment of the inventive lifting anchor 1 in a view from the front.
  • the U-shaped bent concrete rib bar 7 is welded with your legs pointing upwards to the free ends of the bracket legs 22A, 22B.
  • Fig. 4 shows under b.) a side view of the fourth embodiment of the inventive lifting anchor 1.
  • the extension of the bracket leg 22A with the leg 72 of the U-shaped bent concrete rod 7 and the overlap in the area of the lower free end of the bracket leg 22A is visible.
  • Fig. 5 shows the fourth embodiment of the inventive transport anchor 1 embedded in a first and a second wall shell S1, S2 of a reinforced concrete double wall.
  • Fig. 6 shows under a.) a section of a bracket leg 22A as well as a sliding shoe 4A and a section of the pressure rod 3 in a view from the front.
  • the side walls 42A of the sliding shoe 4A extend beyond the end of the pressure rod 3. she serve as side guides for the bracket leg 22A in its longitudinal direction.
  • the side wall 42A has a second bendable edge section 423 which positively engages around the bracket leg 22A in its longitudinal direction.
  • the end wall 43A (in Fig. 6 Visible under b.)) forms a sliding surface F opposite the bracket leg 22A.
  • the bottom wall 41A merges with the end wall with a rounded edge.
  • Fig. 6 shows under b.) a perspective view of a sliding block 4A with a bottom wall 41A, two side walls 42A with a second edge section 423 for a positive connection with a bracket leg and an end wall 43A. Furthermore, the first edge sections 421 are also visible, which in a bent shape encompass the compression rod 3 in the longitudinal direction (not visible in this figure).
  • the slide shoe shown is produced by punching and bending from a flat material, in particular a sheet steel.
  • Fig. 7 shows under a) a perspective view of a transport anchor 1 with two sliding shoes 4A and 4B, which are each designed as a two-part sliding bearing.
  • the slide bearings have a hook element 44 with an attached slide rail 441 and a slide bearing bushing 45 which at least partially surrounds the slide rail 441 and the pressure rod 3.
  • the plain bearing bush 45 forms two side walls 42A and 42B.
  • Fig. 7 shows under b) a perspective view of the transport anchor from Figure 7a .), whereby the plain bearing bush is not shown for a better overview.
  • the slide rail 441 of the hook element 44 forms an additional slide surface 442 between the pressure rod 3 and the slide bearing bush 45, as a result of which the sliding friction is reduced.
  • this has a locking lug 442, over which the slide bearing bushing can be pushed in the direction of the bracket leg 22A or 22B and which is designed to prevent the slide bearing bushing from sliding again in the opposite direction.
  • the assembly can include the following steps: The plain bearing bushing 45 is pushed onto the pressure rod 3, then the hook element 44 is slipped onto the pressure rod 3 and then the pressure rod 3 is attached to the bracket leg 22A by means of the hook element 44, preferably by clamping. The plain bearing bushing is then pushed over locking lug 442 and slide rail 442.
  • Fig. 8 shows under a) a hook element 44 with slide rail 441.
  • the hook element 44 also forms the end wall 43A.
  • Fig. 8 shows under b) a plain bearing bushing 45 with side wall 42A and bottom wall 41.

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

Claims (14)

  1. Ancre de transport (1) pour des murs en béton armé avec deux parements espacés l'un de l'autre, comportant :
    un étrier (2) présentant une section centrale (21) courbée pour l'accrochage de moyens de butée et des branches d'étrier (22A, 22B) parallèles entre elles, au moins partiellement rectilignes, se raccordant à celle-ci de part et d'autre, aptes à être insérées dans les parements, et
    une tige de pression (3) disposée sur la section centrale (21) entre les branches d'étrier (22A, 22B) dans la région de leur extrémité supérieure et reliée aux charges à supporter par en dessous de manière non rigide,
    dans laquelle
    un patin coulissant (4A, 4B) pour la branche d'étrier (22A, 22B) respective, lequel entoure la tige de pression (3) dans le sens longitudinal de celle-ci avec une paroi de fond (41) et deux parois latérales (42A, 42B) et à l'avant avec une paroi frontale (43), est disposé sur au moins une extrémité de la tige de pression (3),
    dans laquelle la paroi frontale (43) du patin coulissant (4A, 4B) est formée en face de la branche d'étrier (22A, 22B) respective en tant que surface de coulissement (F) pour celle-ci, et
    dans laquelle les parois latérales (42A, 42B) du patin coulissant (4A, 4B) s'étendent au-delà de l'extrémité de la tige de pression (3), où elles sont conçues comme des guides latéraux pour la branche d'étrier (22A, 22B) respective dans le sens longitudinal de celle-ci, caractérisée en ce que le patin coulissant (4A, 4B) ou une partie du patin coulissant est réalisé(e) par estampage et pliage à partir d'un matériau plat.
  2. Ancre de transport selon la revendication 1, caractérisée en ce que les parois latérales (42A, 42B) du patin coulissant (4A, 4B) entourent la tige de pression (3) par complémentarité de forme dans le sens longitudinal de celle-ci, de préférence au moyen de premières sections de bord (421, 422) courbées l'une vers l'autre.
  3. Ancre de transport selon l'une des revendications 1 à 2, caractérisée en ce que les parois latérales (42A, 42B) du patin coulissant (4A, 4B) entourent la branche d'étrier (22A, 22B) respective par complémentarité de forme dans le sens longitudinal de celle-ci, de préférence au moyen de deuxièmes sections de bord (423, 424) courbées l'une vers l'autre.
  4. Ancre de transport selon l'une des revendications 1 à 3, caractérisée en ce que la paroi frontale (43) du patin coulissant (4A, 4B) conçue comme une surface de coulissement (F) est pourvue d'une couche ou d'un revêtement constitué(e) d'un matériau plus glissant pour la branche d'étrier (22A, 22B) respective que le reste du matériau du patin coulissant (4A, 4B).
  5. Ancre de transport selon l'une des revendications 1 à 4, caractérisée en ce que la branche d'étrier (22A, 22B) respective est reliée au patin coulissant (4A, 4B), de préférence au moyen d'une soudure par points, de manière à pouvoir se détacher sous l'effet des forces apparaissant pendant le transport de murs à double parement.
  6. Ancre de transport selon l'une des revendications 1 à 5, caractérisée en ce que la paroi de fond (41) prolonge la paroi frontale (43) avec une arête arrondie.
  7. Ancre de transport selon l'une des revendications 1 à 6, caractérisée en ce que l'étrier (2) est constitué d'acier lisse ou d'un câble en acier avec une section transversale de préférence ronde.
  8. Ancre de transport selon l'une des revendications 1 à 7, caractérisée en ce que la tige de pression (3) est constituée de béton armé strié avec une section transversale de préférence ronde.
  9. Ancre de transport selon l'une des revendications 1 à 8, caractérisée en ce qu'un patin coulissant (4A, 4B) selon l'une des revendications précédentes est disposé respectivement aux deux extrémités de la tige de pression (3) pour la branche d'étrier (22A, 22B) respective.
  10. Ancre de transport selon l'une des revendications 1 à 9, caractérisée en ce qu'une liaison transversale (5), laquelle maintient les deux branches d'étrier (22A, 22B) à une distance l'une de l'autre de manière à exercer une pression de serrage sur la tige de pression (3), est prévue entre les branches d'étrier (22A, 22B) dans la région des extrémités inférieures de celles-ci.
  11. Ancre de transport selon l'une des revendications 1 à 10, caractérisée en ce qu'en tant qu'ancrage longitudinal supplémentaire des branches d'étrier (22A, 22B) dans les parements et de préférence également pour la formation d'une liaison transversale selon la revendication 10, une tige rectiligne (6), de préférence en acier, est soudée aux branches d'étrier (22A, 22B) dans la région des extrémités libres inférieures de celles-ci, de préférence en dépassant celles-ci transversalement, ou une tige striée en béton (7) courbée en forme de U est soudée avec ses branches de U (71, 72) aux extrémités libres des branches d'étrier (22A, 22B), de préférence de manière à prolonger celles-ci et de préférence de manière à chevaucher celles-ci.
  12. Ancre de transport selon la revendication 11, caractérisée en ce qu'en tant qu'ancrage longitudinal supplémentaire des branches d'étrier (22A, 22B) dans les parements, une tige striée en béton (6A, 6B) est soudée respectivement aux extrémités libres de celles-ci, de préférence de manière à prolonger celles-ci et de préférence de manière à chevaucher celles-ci.
  13. Ancre de transport (1) selon l'une des revendications précédentes, dans laquelle le patin coulissant (4A, 4B) est conçu au moins comme un palier lisse en deux parties, comportant un élément de crochet (44) avec un rail de coulissement (441) rapporté et une douille de palier lisse (45) entourant au moins partiellement le rail de coulissement (441) et la tige de pression (3).
  14. Ancre de transport (1) selon la revendication 13, dans laquelle l'élément de crochet (44) avec le rail de coulissement (441) rapporté présente un matériau plus glissant que le matériau de la douille de palier lisse (45) ou est constitué d'un matériau plus glissant que le matériau de la douille de palier lisse (45).
EP19203686.1A 2018-10-18 2019-10-16 Ancre de levage Active EP3640410B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH01270/18A CH715485A2 (de) 2018-10-18 2018-10-18 Transportanker.

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EP3640410A1 EP3640410A1 (fr) 2020-04-22
EP3640410A8 EP3640410A8 (fr) 2020-07-01
EP3640410B1 true EP3640410B1 (fr) 2021-12-08

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CH (1) CH715485A2 (fr)

Cited By (1)

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Publication number Priority date Publication date Assignee Title
US20210355696A1 (en) * 2019-01-28 2021-11-18 Econac Bvba Transport anchor having a fibre-plastic composite material pressure element

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Publication number Priority date Publication date Assignee Title
CN111877762B (zh) * 2020-07-01 2022-06-07 上海建工集团股份有限公司 一种可移动预制混凝土墙板自动安装工装系统
FR3112566B1 (fr) * 2020-07-16 2023-02-24 Josselin Guicherd Organe de levage pour le levage d’un prémur.
PL435219A1 (pl) * 2020-09-08 2022-03-14 Szulc Aleksander Przedsiębiorstwo Produkcyjno Handlowe Alruno Kotwa transportowa do ścian z pustką

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DE202011000293U1 (de) * 2011-02-09 2011-04-21 Pape, Heinz, Dr.-Ing Transportanker für vorgefertigte Stahlbetonelemente
DE202014103774U1 (de) * 2014-08-14 2015-11-17 Philipp Gmbh Hohlwandanker
EP3029220B1 (fr) * 2014-12-02 2021-09-29 Ikona AG Système à ancrage de transport de doubles parois préfabriquées béton/acier

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20210355696A1 (en) * 2019-01-28 2021-11-18 Econac Bvba Transport anchor having a fibre-plastic composite material pressure element
US11834854B2 (en) * 2019-01-28 2023-12-05 Econac Bvba Transport anchor having a fibre-plastic composite material pressure element

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CH715485A2 (de) 2020-04-30
EP3640410A1 (fr) 2020-04-22
EP3640410A8 (fr) 2020-07-01

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