EP4026962A1 - Supports de coffrage, dispositif de support de coffrage et procédé de décoffrage d'un agencement de coffrage - Google Patents

Supports de coffrage, dispositif de support de coffrage et procédé de décoffrage d'un agencement de coffrage Download PDF

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Publication number
EP4026962A1
EP4026962A1 EP22159176.1A EP22159176A EP4026962A1 EP 4026962 A1 EP4026962 A1 EP 4026962A1 EP 22159176 A EP22159176 A EP 22159176A EP 4026962 A1 EP4026962 A1 EP 4026962A1
Authority
EP
European Patent Office
Prior art keywords
formwork
support part
lowering
support
spindle
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP22159176.1A
Other languages
German (de)
English (en)
Other versions
EP4026962B1 (fr
Inventor
Gerald BURGSTALLER
Thomas GREUL
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.)
Doka GmbH
Original Assignee
Doka GmbH
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 Doka GmbH filed Critical Doka GmbH
Publication of EP4026962A1 publication Critical patent/EP4026962A1/fr
Application granted granted Critical
Publication of EP4026962B1 publication Critical patent/EP4026962B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
    • E04G11/36—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for floors, ceilings, or roofs of plane or curved surfaces end formpanels for floor shutterings
    • E04G11/48—Supporting structures for shutterings or frames for floors or roofs
    • 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
    • E04G25/00—Shores or struts; Chocks
    • E04G25/04—Shores or struts; Chocks telescopic
    • 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
    • E04G25/00—Shores or struts; Chocks
    • E04G25/04—Shores or struts; Chocks telescopic
    • E04G25/06—Shores or struts; Chocks telescopic with parts held together by positive means
    • E04G25/061—Shores or struts; Chocks telescopic with parts held together by positive means by pins
    • 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
    • E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
    • E04G11/36—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for floors, ceilings, or roofs of plane or curved surfaces end formpanels for floor shutterings
    • E04G11/38—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for floors, ceilings, or roofs of plane or curved surfaces end formpanels for floor shutterings for plane ceilings of concrete
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G11/00—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs
    • E04G11/36—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for floors, ceilings, or roofs of plane or curved surfaces end formpanels for floor shutterings
    • E04G11/48—Supporting structures for shutterings or frames for floors or roofs
    • E04G11/50—Girders, beams, or the like as supporting members for forms

Definitions

  • the invention relates to a formwork support device with at least one such formwork support and with a formwork structure which is supported on the formwork support.
  • the invention relates to a method for stripping a formwork arrangement.
  • the FR 2 823 521 describes an arrangement of support devices, each with a motor and a control device, which is set up to keep the difference in height of the support devices to one another below a defined threshold value by means of a remote control on the basis of a sensor signal.
  • the output signal from the system (or the input signal from the control device) is therefore a position signal.
  • a post is lowered with an unspecified speed profile, while the other posts follow this position signal and thus have the same speed profile.
  • a damper is also shown. The damper acts on a nut, which rotates a spindle when it is lowered.
  • the spindle is connected to a geared motor.
  • the geared motor can be used as a brake to control the lowering movement.
  • this also does not show that the upper support part is retracted at a constant lowering speed, independent of the load.
  • GB2,526,883 discloses a landing gear with a hydraulic raising and lowering device.
  • the support device can be lowered through the outlet valve.
  • the lowering speed would be constant and independent of a vertical load. It is only described that the outlet valve allows the fluid to escape slowly.
  • the FR 3 028 281 also describes a hydraulic support device in which the lowering is controlled by a valve. However, only the position is controlled via the flow.
  • the WO 2011/131977 A1 shows a landing gear with a screw mountable motor. With this motor, the screw no longer has to be turned by hand. However, the WO 2011/131977 A1 no details on the way the motor is controlled.
  • the support device has a shaft and a slide, which together form a telescopic unit. Furthermore, a damping device for damping the downward movement of the slider is provided.
  • the damping device has a vertical hydraulic drive with a cylinder chamber and a piston that can be displaced therein, the piston of which acts on the slide.
  • the cylinder chamber communicates with a compensation chamber via a valve arrangement. On the one hand, this is intended to achieve a slow downward movement. On the other hand, the slider should be able to be lifted manually with little resistance.
  • the object of the present invention is to alleviate at least individual disadvantages of the prior art or to eliminate.
  • the lowering device has a brake unit which is set up to brake the lowering of the upper support part to a substantially constant lowering speed, essentially independently of a vertical load acting on the upper support part between the support position and the stripping position.
  • the brake unit according to the invention can ensure that the lowering movement from the upper support position to the lower stripping position takes place at essentially the same lowering speed given different vertical loads.
  • the support position is set up to support the formwork arrangement and the concrete during a concreting process.
  • the stripping position is intended to enable the removal or dismantling of formwork elements from the formwork arrangement.
  • the essentially constant lowering speed of the upper support part is preferably between 0.5 and 50, in particular between 1 and 20 millimeters per second.
  • the mentioned independence of the lowering speed from the vertical loads means that the lowering speed is essentially at least 200 Newtons to 30,000 Newtons, in particular 100 Newtons to 50,000 Newtons, at least with bearing or vertical loads (in addition to the dead weight of the upper support part). is constant.
  • This embodiment is particularly advantageous when the formwork arrangement is supported with several formwork supports according to the invention. Due to the brake unit, different vertical loads on the formwork props do not affect the lowering speed, so that the individual formwork props can be lowered evenly in the direction of the stripping position.
  • references to location and direction such as “up”, “down”, “upper”, “lower”, etc., on the intended use of the formwork prop, in which the formwork prop is arranged in a substantially vertical position.
  • a securing element has a securing position for securing the upper support part in the support position and a release position for releasing the lowering of the upper support part is provided.
  • the securing element can in particular have a plug-in part, for example a socket pin or a clip-in clip, which in the securing position is inserted in one of a plurality of holding openings in the upper support part which are spaced apart in the vertical direction in such a way that the lowering of the upper support part in relation to the lower support part is blocked.
  • a plug-in part for example a socket pin or a clip-in clip
  • the lowering device is set up to lower the upper support part independently and at a substantially constant lowering speed from the support position to the stripping position by arranging the securing element in the release position.
  • the brake unit has a preferably hydraulic linear damper, in particular a cylinder-piston damper.
  • This linear damper is designed to lower the upper part of the support to accomplish the support to the stripping at different vertical loads with essentially the same lowering speed.
  • the linear damper has a damping medium, for example an ionized liquid, an oil, a gas, a solid, for example a granulate, or a medium whose state of aggregation changes during operation.
  • the preferably hydraulic linear damper has a flow control valve, in particular with a pressure compensator.
  • the flow of the damping medium is regulated by means of the pressure compensator, also referred to as a differential pressure regulator, so that a pressure and thus a load compensation can take place.
  • the flow control valve preferably has a throttle with a line cross-section, the pressure detected upstream and downstream of the throttle changing the flow by means of the pressure compensator in such a way that it remains constant.
  • the pressure compensator preferably has a pressure compensator spring.
  • the flow control valve can be designed, for example, as an oil flow control valve with pressure compensation. Linear dampers as such are known per se in the prior art, so that further explanations in this regard can be superfluous.
  • the lowering unit has a spindle with an external thread and a bearing element with an internal thread, the bearing element with the internal thread engaging in the external thread of the spindle.
  • the spindle can be rotatably mounted on the lower or upper support part, the bearing element being non-rotatably connected to the upper or lower support part.
  • the spindle is preferably rotatably mounted on the lower support part, with the bearing element being connected to the upper support part in a rotationally fixed manner.
  • the spindle can also be rotatably mounted on the upper support part, the bearing element then being non-rotatably connected to the lower support part.
  • the spindle preferably has a length of 20 to 2000 mm, in particular 300 to 800 mm, in order to enable it to be lowered from the support position during concreting into the stripping position after concreting.
  • the bearing element can be designed as a nut with an internal thread, in which the external thread of the spindle engages.
  • the spindle when the upper support part is lowered, the spindle is set in rotary motion by the threaded engagement with the bearing element and is held or guided at the same time.
  • the nut primarily absorbs the radial forces occurring in the course of the movement of the bearing element relative to the spindle.
  • the bearing element can also be designed in such a way that both radial and axial forces can be absorbed.
  • a particularly stable mounting can be achieved if the lower support part has at least one roller bearing or one rotary bearing, in particular a ball bearing, for the spindle on a support foot.
  • a sliding bearing can also be used.
  • the bearing element is fixed to the upper support part by means of a positive, non-positive or material connection. It is particularly favorable here if the bearing element is fixed to the upper support part via a crimp connection.
  • the bearing of the spindle on the bearing element can already be designed via the friction forces generated during thread engagement in such a way that a lowering speed independent of the load is set, which is suitable for a gentle lowering process from the support to the stripping position.
  • This can be realized by appropriate design of the external thread of the spindle and the internal thread of the bearing element such that the rotational speed or the speed of the Spindle is set in the bearing element to a substantially constant, load-independent lowering speed.
  • the brake unit has a brake for braking the relative movement between the spindle and the bearing element or for achieving a substantially constant relative rotary movement of the spindle in the bearing element.
  • an additional brake i.e. different from the male thread of the spindle and the female thread of the bearing element
  • Such brakes are known to those skilled in a wide variety of designs, such as electric, hydraulic, magnetic, electromagnetic or mechanical brakes such as centrifugal brakes, rotary brakes, eddy current brakes or the like.
  • the brake is arranged in the lower support part, preferably on its lower end area.
  • the brake is arranged on the bearing element.
  • the brake can have a ball drive, a clamp or a shoe, for example.
  • the lowering device is preferably arranged inside the upper or lower prop part. Accordingly, in this embodiment, the lowering device is completely hidden inside the upper and/or lower support part.
  • the upper support part is designed as an inner tube, which is inserted into the lower support part designed as an outer tube, a stable, telescopic formwork support can be achieved will.
  • a plurality of formwork supports are provided which are arranged in a substantially vertical position at a horizontal distance from one another.
  • This arrangement allows different vertical loads to be applied to the individual formwork props in use.
  • at least one formwork support can be provided in an edge area of the formwork structure and at least one formwork support can be provided in a central area of the formwork structure.
  • the formwork prop in the central area has to absorb higher vertical loads than the formwork prop in the edge area. Due to the braking unit, however, the formwork support in the central area is lowered from the support position into the stripping position at essentially the same lowering speed as the formwork support in the edge area.
  • the formwork props are often subjected to different vertical loads when they are lowered, with the brake unit ensuring that the formwork props are lowered at the same speed, regardless of the vertical load that is acting in each case.
  • Variant 2 formwork support according to variant 1, wherein a securing element is provided with a securing position for securing the upper support part in the support position and with a release position for releasing the lowering of the upper support part.
  • Variant 3 Formwork prop according to variant 2, the lowering device being set up to lower the upper prop part independently and at a substantially constant lowering speed from the supporting position to the stripping position by arranging the securing element in the release position.
  • Embodiment 4 Formwork support according to one of embodiment variants 1 to 3, the brake unit having a preferably hydraulic linear damper, in particular a cylinder-piston damper.
  • Variant 5 Formwork support according to variant 4, the preferably hydraulic linear damper having a flow control valve, in particular with a pressure compensator.
  • Variant 6 Formwork prop according to one of Variants 1 to 3, wherein the lowering device has a spindle with an external thread and a bearing element with an internal thread, the bearing element with the internal thread engaging in the external thread of the spindle.
  • Design variant 7 Formwork prop according to design variant 6, with the spindle being rotatably mounted on the lower or upper prop part, with the bearing element being non-rotatably connected to the upper or lower support part is connected.
  • Variant 8 Formwork support according to variant 7, wherein the lower support part has at least one roller bearing or pivot bearing, in particular a ball bearing, for the spindle on a support foot.
  • Variant 9 formwork support according to variant 7 or 8, the bearing element being fixed to the upper support part by a crimped connection.
  • Variant 10 Formwork prop according to one of Variants 6 to 9, the braking unit having a brake for braking the relative movement between the spindle and the bearing element.
  • Variant 11 Formwork support according to variant 10, the brake being arranged in the lower support part, preferably in its lower end area.
  • Variant 12 Formwork prop according to one of Variants 1 to 11, wherein the lowering device is arranged inside the upper or lower prop part and/or the upper prop part is designed as an inner tube which is inserted into the lower prop part designed as an outer tube.
  • Embodiment 13 formwork support device with at least one formwork support according to one of the embodiment variants 1 to 12 and with a formwork structure which is supported on the formwork support.
  • Embodiment 14 Formwork support device according to embodiment 13, wherein several formwork supports are provided, which are arranged in a substantially vertical position at a horizontal distance from one another.
  • the formwork structure 3 has longitudinal or truss beams 4 supported on the formwork supports 2, on which similar crossbeams 5 running transversely to the truss beams 4 are mounted.
  • the formwork structure 3 is set up for producing a ceiling, for which purpose formwork panels 6 are arranged on the upper side of the crossbeams 5 until they abut against a wall 7 shown schematically.
  • To secure the formwork props 2 in a vertical position they are supported using tripods 8 .
  • the formwork structure 1 is known per se from the prior art, so that further explanations in this regard may not be necessary.
  • the formwork supports 2 When installed, especially during and after the production of the concrete ceiling (not shown), the formwork supports 2 are loaded vertically.
  • the formwork support 2 has an upper support part 10 which can be lowered into a lower support part 11 .
  • the upper 10 and the lower support part 11 (apart from the overlapping area) essentially cover the entire longitudinal extent of the formwork support 2.
  • further support parts can also be provided between the upper 10 and the lower support part 11.
  • the upper support part 10 has a plate-shaped widening or support plate 12, on which a retaining head, known per se in the embodiment shown, for example in the form of a four-way head (cf. Figure 1A , 1B ), is set up.
  • the formwork structure 3 is supported on this head.
  • the head is not shown in FIGS. 2ff for the sake of a better overview.
  • the upper support part 10 is designed as an inner tube which is inserted into the lower support part 11 designed as an outer tube. This results in a telescopic formwork prop 2.
  • a securing element 13 is provided, which can be connected to holding openings 14 spaced apart from one another in the vertical direction on the upper support part 10 .
  • the securing element 13 can be arranged in a securing position within one of the holding openings 14 in order to block the lowering of the upper support part 10 .
  • the securing element is arranged in a release position outside of the retaining openings 14.
  • the securing element 13 has a clip (see also figure 5 ) which has an insertion section for insertion into one of the holding openings 14 .
  • an adjusting element 15 is provided, which enables the height of the support 2 to be finely adjusted.
  • the lowering device 16 is arranged entirely inside the upper 10 or lower support part 11 .
  • the lowering device 16 has a brake unit 17 such that the lowering of the upper support part 10 to a substantially constant lowering speed - essentially independently of the vertical load transmitted to the upper support part 10 via the formwork structure 3 - from the support position to the stripping position is slowed down.
  • the securing element 13 is arranged in the release position, the upper support part 10 is automatically lowered into the stripping position by the operating personnel without any further manipulation.
  • the braking unit 17 has a hydraulic linear damper 18 with a cylinder 18A and a piston 18B.
  • the piston 18B is slidably mounted in the cylinder 18A.
  • a piston rod of the piston 18B is fastened to a holding element 19, here a dowel pin which is guided through an eyelet on the piston rod and which is held in bores in the upper support part 10.
  • cylinder 18A is on another holding element 20, here a simple screw guided through holes in the lower support part 11 and secured with nuts from the outside.
  • the cylinder can also be fixed to the upper support part 10 and the piston 18B to the lower support part 11.
  • the linear damper 18 has a flow control valve 21 with a pressure compensator 29, which ensures the load-independent lowering speed of the piston 18A (and thus the upper support part 10) in relation to the cylinder 18B (and thus in relation to the lower support part 11).
  • the brake unit 17 has a spindle 22 with an external thread 23 and a bearing element 24 with an internal thread, the bearing element 24, here a nut, engaging with the internal thread in the external thread 23 of the spindle 22.
  • the spindle 22 is rotatably mounted on the lower support part 11 .
  • the lower support part 11 has at least one pivot bearing 26 (shown only schematically), for example a ball bearing, for the spindle 22 on a support foot 25 .
  • a brake 27, here in the form of a centrifugal brake, for influencing the rotational movement of the spindle 22 can be seen schematically.
  • the bearing element 24 is arranged on the lower end of the upper support part 10 in a rotationally fixed manner.
  • the bearing element 24 is fixed to the upper support part 10 via a crimp connection 28 .
  • a ball drive (not shown here) or clamps or jaws (not shown here) can be provided in the bearing element 24, through which the friction and thus the approximately constant rotational speed of the spindle 22 can also be influenced .

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
EP22159176.1A 2017-07-31 2018-07-31 Supports de coffrage, dispositif de support de coffrage et procédé de décoffrage d'un agencement de coffrage Active EP4026962B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP17183906.1A EP3438376A1 (fr) 2017-07-31 2017-07-31 Appui de coffrage
PCT/EP2018/070652 WO2019025394A1 (fr) 2017-07-31 2018-07-31 Étai de coffrage, dispositif d'étai de coffrage et procédé de décoffrage d'un ensemble coffrage
EP18743832.0A EP3662119B1 (fr) 2017-07-31 2018-07-31 Appui de coffrage, arrangement de coffrage et methode de decoffrage d'un tel arrangement de coffrage

Related Parent Applications (2)

Application Number Title Priority Date Filing Date
EP18743832.0A Division EP3662119B1 (fr) 2017-07-31 2018-07-31 Appui de coffrage, arrangement de coffrage et methode de decoffrage d'un tel arrangement de coffrage
EP18743832.0A Division-Into EP3662119B1 (fr) 2017-07-31 2018-07-31 Appui de coffrage, arrangement de coffrage et methode de decoffrage d'un tel arrangement de coffrage

Publications (2)

Publication Number Publication Date
EP4026962A1 true EP4026962A1 (fr) 2022-07-13
EP4026962B1 EP4026962B1 (fr) 2023-04-26

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Family Applications (3)

Application Number Title Priority Date Filing Date
EP17183906.1A Withdrawn EP3438376A1 (fr) 2017-07-31 2017-07-31 Appui de coffrage
EP22159176.1A Active EP4026962B1 (fr) 2017-07-31 2018-07-31 Supports de coffrage, dispositif de support de coffrage et procédé de décoffrage d'un agencement de coffrage
EP18743832.0A Active EP3662119B1 (fr) 2017-07-31 2018-07-31 Appui de coffrage, arrangement de coffrage et methode de decoffrage d'un tel arrangement de coffrage

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP17183906.1A Withdrawn EP3438376A1 (fr) 2017-07-31 2017-07-31 Appui de coffrage

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP18743832.0A Active EP3662119B1 (fr) 2017-07-31 2018-07-31 Appui de coffrage, arrangement de coffrage et methode de decoffrage d'un tel arrangement de coffrage

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EP (3) EP3438376A1 (fr)
WO (1) WO2019025394A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102022211023A1 (de) 2022-10-18 2024-04-18 Doka Gmbh Sicherheitseinrichtung für Deckenschalung

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11124978B2 (en) 2019-03-20 2021-09-21 Big Time Investment, Llc Strut for a multi-story building
EP3816367A1 (fr) * 2019-10-28 2021-05-05 DOKA GmbH Support de coffrage
ES2926749B2 (es) * 2021-04-19 2023-08-08 Sist Tecnicos De Encofrados Sa Sistema de encofrado para forjados de techo

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0715041A1 (fr) * 1994-11-30 1996-06-05 Adrianus Johannus Leonardus Marinus Bekkers Etançon pour le bâtiment
FR2815064A1 (fr) 2000-10-05 2002-04-12 Bouygues Batiment Perfectionnement a un dispositif de coffrage et de reprise des charges
FR2823521A1 (fr) 2001-04-13 2002-10-18 Bouygues Batiment Dispositif d'etaiement, etai, procede de mise en oeuvre d'un ensemble d'etais pour soutenir une charge et application au soutien d'un coffrage
WO2011131977A1 (fr) 2010-04-20 2011-10-27 Byrne Bros (Formwork) Limited Outil électrique pour ensembles d'ouvrages provisoires
GB2526883A (en) 2014-06-06 2015-12-09 Mmc Innovations Llp Temporary support & raising device
FR3028281A1 (fr) 2014-11-06 2016-05-13 Sateco Sa Dispositif de soutenement et methode de coffrage au moyen d'un tel dispositif
KR20170003881A (ko) * 2016-10-12 2017-01-10 주식회사 넥스플러스 건축물 슬라브시공방법 및 그에 사용되는 건축자재

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0715041A1 (fr) * 1994-11-30 1996-06-05 Adrianus Johannus Leonardus Marinus Bekkers Etançon pour le bâtiment
FR2815064A1 (fr) 2000-10-05 2002-04-12 Bouygues Batiment Perfectionnement a un dispositif de coffrage et de reprise des charges
FR2823521A1 (fr) 2001-04-13 2002-10-18 Bouygues Batiment Dispositif d'etaiement, etai, procede de mise en oeuvre d'un ensemble d'etais pour soutenir une charge et application au soutien d'un coffrage
WO2011131977A1 (fr) 2010-04-20 2011-10-27 Byrne Bros (Formwork) Limited Outil électrique pour ensembles d'ouvrages provisoires
GB2526883A (en) 2014-06-06 2015-12-09 Mmc Innovations Llp Temporary support & raising device
FR3028281A1 (fr) 2014-11-06 2016-05-13 Sateco Sa Dispositif de soutenement et methode de coffrage au moyen d'un tel dispositif
KR20170003881A (ko) * 2016-10-12 2017-01-10 주식회사 넥스플러스 건축물 슬라브시공방법 및 그에 사용되는 건축자재

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102022211023A1 (de) 2022-10-18 2024-04-18 Doka Gmbh Sicherheitseinrichtung für Deckenschalung

Also Published As

Publication number Publication date
EP4026962B1 (fr) 2023-04-26
EP3662119B1 (fr) 2022-06-22
EP3438376A1 (fr) 2019-02-06
WO2019025394A1 (fr) 2019-02-07
EP3662119A1 (fr) 2020-06-10

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