EP4051472B1 - Formwork device - Google Patents
Formwork device Download PDFInfo
- Publication number
- EP4051472B1 EP4051472B1 EP20796835.5A EP20796835A EP4051472B1 EP 4051472 B1 EP4051472 B1 EP 4051472B1 EP 20796835 A EP20796835 A EP 20796835A EP 4051472 B1 EP4051472 B1 EP 4051472B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- formwork
- elements
- end regions
- formwork elements
- spreading
- 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.)
- Active
Links
- 238000009415 formwork Methods 0.000 title claims description 355
- 238000003892 spreading Methods 0.000 claims description 101
- 239000011178 precast concrete Substances 0.000 claims description 25
- 239000004567 concrete Substances 0.000 claims description 20
- 238000001035 drying Methods 0.000 claims description 20
- 238000000034 method Methods 0.000 claims description 9
- 230000000284 resting effect Effects 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 239000000758 substrate Substances 0.000 claims 6
- 238000005192 partition Methods 0.000 claims 3
- 238000005266 casting Methods 0.000 claims 1
- 238000010276 construction Methods 0.000 claims 1
- 230000006835 compression Effects 0.000 description 6
- 238000007906 compression Methods 0.000 description 6
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 2
- 206010013786 Dry skin Diseases 0.000 description 1
- 229920002430 Fibre-reinforced plastic Polymers 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 239000011151 fibre-reinforced plastic Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/24—Unitary mould structures with a plurality of moulding spaces, e.g. moulds divided into multiple moulding spaces by integratable partitions, mould part structures providing a number of moulding spaces in mutual co-operation
- B28B7/241—Detachable assemblies of mould parts providing only in mutual co-operation a number of complete moulding spaces
- B28B7/243—Detachable assemblies of mould parts providing only in mutual co-operation a number of complete moulding spaces for making plates, panels or similar sheet- or disc-shaped objects
- B28B7/245—Detachable assemblies of mould parts providing only in mutual co-operation a number of complete moulding spaces for making plates, panels or similar sheet- or disc-shaped objects using transportable mould batteries
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/08—Moulds provided with means for tilting or inverting
- B28B7/082—Tiltable moulding tables or similar moulding surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/0002—Auxiliary parts or elements of the mould
- B28B7/0014—Fastening means for mould parts, e.g. for attaching mould walls on mould tables; Mould clamps
- B28B7/002—Fastening means for mould parts, e.g. for attaching mould walls on mould tables; Mould clamps using magnets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/24—Unitary mould structures with a plurality of moulding spaces, e.g. moulds divided into multiple moulding spaces by integratable partitions, mould part structures providing a number of moulding spaces in mutual co-operation
- B28B7/241—Detachable assemblies of mould parts providing only in mutual co-operation a number of complete moulding spaces
- B28B7/243—Detachable assemblies of mould parts providing only in mutual co-operation a number of complete moulding spaces for making plates, panels or similar sheet- or disc-shaped objects
Definitions
- the invention relates to a formwork device according to the preamble of claim 1.
- the invention further relates to a battery formwork which has two bulkheads and a formwork device which can be arranged between the bulkheads.
- the invention relates to a method for producing a precast concrete part, as well as a method for preparing for the production of a precast concrete part.
- the DE 10 2017 204413 A1 describes a formwork device according to the preamble of claim 1, more particularly it describes a butterfly formwork, in which spreading by rolling in conjunction with a lifting device is possible.
- the US 5,766,653 A discloses a device for forming clay figures.
- the DE 218 127 C shows a molding device for producing beams and beams from cement concrete.
- Battery formwork is often used in the series production of precast concrete parts.
- Prefabricated concrete parts are often used, particularly in the manufacture of prefabricated buildings. These precast concrete parts can be produced quickly and cheaply in battery formwork.
- the WO 2016/184947 A1 shows a battery formwork with a support device into which formwork devices are suspended from above. These formwork devices each have two formwork panels, which are connected to one another in an articulated manner on one long side in order to be transferred from an unfolded state to a folded state.
- Each formwork panel has a formwork front side for attaching formwork elements and a formwork back side, with the formwork back sides of the formwork panels facing each other in the folded state of the formwork device.
- the formwork devices are installed on a surface in the unfolded state, with formwork elements being attached to the upward-facing formwork front sides of the horizontally aligned formwork panels.
- the formwork devices are then raised using a lifting device, with the backs of the formwork panels folding together.
- the formwork panels are positioned between two bulkheads in such a way that cavities are formed between the front sides of the formwork, the formwork elements and the bulkheads, which are filled with concrete.
- the precast concrete parts can be hardened within the battery formwork.
- the disadvantage here is that the entire battery formwork is in use until the concrete has hardened and cannot be used to cast further precast concrete parts.
- the object of the present invention is to alleviate or eliminate at least individual disadvantages of the prior art.
- the invention's particular aim is to enable the battery formwork to be reused more quickly and to simplify the removal of the prefabricated concrete parts.
- a further aim can be to make it easier to transfer the formwork elements into the lying state so that they can be fitted with limiting elements for doors, windows, etc.
- a formwork device with the features of claim 1, a battery formwork with the features of claim 10, a method for producing a precast concrete part with the features of claim 11 and a method for preparing to produce a prefabricated concrete part with the features of claim 12 .
- the formwork device has a spreading device for spreading apart second end regions of the formwork elements opposite the first end regions, starting from the standing state of the formwork elements.
- This formwork device can be used in particular in battery formwork with two bulkheads.
- the two preferably rectangular formwork elements are each pivotally connected at a first end region, in particular on one of their long sides.
- an articulated connection can be provided between the first end regions of the formwork elements.
- the two formwork elements can be transferred from a standing state, in which the formwork elements are preferably aligned essentially vertically, to a lying state, in which the formwork elements are preferably aligned essentially horizontally.
- the first end regions form the upper ends of the formwork elements and the second end regions form the lower ends of the formwork elements.
- the formwork elements can be arranged in the standing state between the two bulkheads of the battery formwork.
- the formwork elements are in the folded state (i.e. standing essentially parallel to one another), with the front sides of the formwork facing outwards and the back sides of the formwork facing each other.
- the two front sides of the formwork define cavities into which concrete can be poured.
- the lying state of the formwork elements can, however, be used to attach formwork elements, i.e. in particular boundary elements for door and/or window cutouts in the component, to the formwork front sides of the formwork elements.
- the spreading device according to the invention on the second end regions of the formwork elements can advantageously fulfill different functions depending on the design.
- the formwork device can be removed from the interior of the battery formwork together with at least one component on a front side of the formwork, in particular two components on the two front sides of the formwork, in particular with a lifting device to be highlighted.
- the prefabricated concrete parts are in a hardened but not yet completely dried state, which allows the component to be held on the respective front side of the formwork without counter-pressure by the bulkheads (or other formwork devices).
- the formwork device can be arranged in a drying position with the second end regions of the formwork elements spread apart outside the space between the battery formwork.
- the spreading device engages the component to be dried on the subsurface at the second end regions - opposite the pivotable connection between the formwork elements - at least while the formwork device is being parked.
- the second end regions of the formwork elements are spread apart so that the two formwork elements form an inverted V shape when viewed from the side in the drying position.
- the drying position is a stable intermediate position between the standing and lying states of the formwork elements.
- the formwork device can thus be arranged in the stable and space-saving drying position outside the interior of the battery formwork in order to dry the components. Meanwhile, the interior of the battery formwork can be used to produce additional components.
- the spreading device ensures that the second end regions of the formwork elements are secured against folding into the standing state and/or unfolding into the lying state.
- the spreading device thus first drives apart the second end regions of the formwork elements and then holds the formwork elements in the drying position.
- the drying position based on the pivot angle, is preferably closer, in particular several times closer, to the standing state than to the lying state of the formwork elements.
- This embodiment also has the particular advantage that lifting the component away from the formwork device after drying is made much easier because the component is only exposed to low loads and, moreover, disadvantageous wobbling of the component is avoided.
- the spreading device can also can be used to transfer the formwork elements from the standing state to the lying state.
- the spreading device can also can be used to transfer the formwork elements from the standing state to the lying state.
- manual unfolding of the formwork elements can be avoided.
- the location and directional information refers to an intended operating position of the formwork device and the battery position on a horizontal surface.
- the formwork elements are therefore arranged in the drying position with the second end regions spread apart using the spreading device.
- the spreading device connects the second end regions of the formwork elements to one another in such a way that the second end regions are transferred from the standing state to the drying position, but not further in the direction of the lying state, in order to be placed in a stable triangular arrangement on a flat surface can.
- the spreading device is detachably attached to the second end regions of the formwork elements before the formwork elements are placed on the ground with the spreading device. So the contact can the spreading device on the second end regions of the formwork elements with the ground can be used to convert the lowering movement of the formwork device into the spreading apart of the second end regions of the formwork elements.
- the spreading device is used to transfer the formwork elements from the standing state towards the lying state.
- the formwork elements are preferably arranged above the subsurface, in particular with the aid of a lifting device, for example a crane. Meanwhile, the spreader is on the ground.
- the spreading device is actuated in such a way that the second end regions of the formwork elements are transferred from the standing state towards the lying state.
- the spreading device can also be used when folding the formwork elements, i.e. when transferring them from the lying to the standing state.
- the spreading device has a force deflection device which acts on the second end regions of the formwork elements and which lowers the formwork elements converted into the spreading apart of the second end regions of the formwork elements.
- a force deflection device which acts on the second end regions of the formwork elements and which lowers the formwork elements converted into the spreading apart of the second end regions of the formwork elements.
- the force deflection device has two lever elements, which are connected to one another via a pivot bearing with a pivot axis that is preferably essentially stationary when the formwork elements are spread apart.
- the second end regions of the formwork elements can be spread apart particularly easily.
- the impact of the spreading device attached to the second end regions on the ground or the lowering of the formwork elements onto the spreading device located on the ground is converted into a pivoting of the lever elements, which causes the second end regions of the formwork elements to be spread apart.
- the two lever elements are pivotally connected to one another by means of a pivot axis on the base side.
- the spreading device in particular its lever elements, can be made of different materials.
- a version made of metal, plastic, in particular fiber-reinforced plastic, or a combination thereof is preferred.
- two spreading devices are provided for engaging the lateral edges on the second end regions of the formwork elements.
- the two spreading devices engage on two opposite sides of the side edges on the second end regions of the formwork elements. This ensures uniform spreading of the formwork elements over the entire length of the formwork device (ie its extension along the pivotable connection).
- the lever elements are arranged essentially horizontally when the second end regions of the formwork elements are spread apart.
- the two lever elements are arranged in a V-shaped position in the resting state, i.e. before the two end regions are spread apart.
- the lever elements are transferred from the resting state, in which they engage the second end regions of the formwork elements in the standing state, to the horizontal position, in which the second end regions of the formwork elements are spread apart and the two lever elements have an angle of essentially 180 ° include.
- the two lever elements pivot in opposite directions about the pivot axis.
- the two formwork elements together with the horizontally aligned lever elements, have the shape of an isosceles triangle, with the horizontally aligned lever elements forming the base and the formwork elements forming the legs.
- the formwork elements each have a connecting element at the second end regions for the preferably releasable connection to the spreading device.
- two connecting tabs are provided as connecting elements, which are pivotally connected to the lever elements.
- a lever element and a connecting strap each form a toggle lever.
- the lever elements and the connecting elements can be connected to one another or are connected to one another via locking connections, in particular with bolts and bolt receptacles.
- a bolt is preferably inserted into a corresponding bolt receptacle.
- the pivot bearing has a preferably essentially horizontal support surface for resting on the ground when lowering the formwork elements with the spreading device attached to them.
- the lever elements are thus pivoted apart by contact with the ground and the second end regions of the formwork elements are spread apart.
- the lever elements have receiving troughs for receiving corresponding guide elements, in particular guide bolts, on the second end regions of the formwork elements.
- formwork elements can be precisely aligned with respect to the spreading device.
- This embodiment is particularly suitable if the spreading device is initially separated, i.e. arranged on the ground at a distance from the formwork elements and the formwork elements are then lowered onto the spreading device in order to remove the second end regions from one another by means of the spreading device.
- a tensioning device in particular a spring, is provided for pretensioning the lever elements in the direction of a rest position of the lever elements before the second end regions of the formwork elements are spread apart.
- the spring is tensioned by the second end regions spreading apart.
- the lever elements are relaxed in the vertical position and can accommodate the formwork elements in the standing state.
- the lever elements are moved into the horizontal position against a spring force of the spring, so that the energy released by the lowering movement of the formwork elements is absorbed by the spring in order to tension it.
- a releasable locking device is provided for locking the pivoting of the lever elements in their rest position. This prevents the lever elements from moving before the formwork elements are arranged on the spreading device.
- an opening device is provided for transferring the formwork elements from the spread-apart state of the second end regions into the lying state of the formwork elements.
- the formwork elements can be transferred to the lying state in order to clean them and equip them with new formwork elements, such as boundary elements for windows and/or doors.
- the opening device has at least one guide track for guiding support elements, in particular support rollers, on the second end regions of the formwork elements.
- the formwork elements are moved from the spread-apart state of the second end regions into the lying state of the formwork elements by means of the opening device.
- the formwork elements can then be fitted with formwork elements. This design is particularly advantageous in conjunction with the lever elements of the spreading device because comparatively short lever elements can be used.
- the at least one guide track has at least one sloping take-over section for taking over the support elements, in particular support rollers. This allows the formwork elements to be guided from the standing to the lying state in a controlled manner.
- the locking device has a hook and a corresponding receiving device for receiving the hook, the hook being arranged on one of the two lever elements and the receiving device is arranged on the other of the two lever elements.
- the lever elements can be moved against each other.
- the hook is automatically released from the corresponding receiving device, so that the second end regions of the formwork elements can be spread apart using the lever devices.
- Fig. 1 shows a schematic representation of an example from the WO 2017/174432 known battery formwork 1 with formwork devices 2.
- the battery formwork 1 is used to produce components (not shown) and in particular prefabricated concrete parts for buildings.
- the battery formwork 1 has a support frame 3 with support sections 4 spaced apart from one another. The number of support sections 4 in Fig. 1 is only to be seen as an example and can be adapted to the circumstances.
- the battery formwork 1 includes two supporting devices 5, in which the bulkheads 6 and the formwork devices 2 are suspended and movable, ie displaceable in the present embodiment.
- the formwork devices 2 are located between the bulkheads 6.
- a cavity to be filled with concrete is formed between at least one bulkhead 6 and a formwork device 2, the formwork device 2 preferably carrying formwork elements, not shown, which determine the contour of the prefabricated concrete part.
- the formwork elements can, for example, limit door or window cutouts and also seal the cavity filled with concrete during concreting.
- the formwork elements can, for example, be attached to the formwork device 2 using magnet holders.
- a heating device (not shown) and/or a vibrator (not shown) can also be installed on the formwork device 2 must be mounted.
- the formwork device 2 is inserted between two bulkheads 6 and clamped to them during concreting.
- the number of supporting devices 5, bulkheads 6 and formwork devices 2 is to be seen as only an example and can be varied depending on the circumstances.
- formwork devices 2 can be provided for concreting the outer walls, inner walls, the floor and the roof of a house, so that the battery formwork 1 can be used to produce the components for an entire building at the same time.
- the bulkheads 6 and the formwork devices 2 are clamped between two support devices 7.
- the number of support devices 7 is also to be regarded as only an example and can be varied according to requirements. At least one support device 7 is movable, i.e. H. movable in the present embodiment, accommodated in the carrying devices 5.
- the formwork devices 2 and the support devices 7 can be connected and clamped to one another in the concreting position by one or more rod-shaped connecting devices 8.
- the number of connection devices 8 can be adapted to the circumstances. Instead of rod-shaped connecting devices 8, hydraulic connecting devices are also possible. However, the rod-shaped connecting devices 8 are particularly robust and easy to handle.
- the battery formwork 1 has a lifting device 9, with which at least one of the formwork devices 2 can be moved from the lowered concreting position into a raised transport position, in which the formwork device 2 can be moved via a formwork device 2 located in the concreting position in a direction essentially perpendicular to the lifting direction X is eligible for funding.
- the formwork devices 2 are suspended from above into the supporting devices 5, so that in the suspended state they are spaced from the ground between the support sections 4 in the concreting position.
- the design of the lifting device 9 can be adapted to the requirements. If necessary, several lifting devices 9 can also be used.
- the lifting device 9 is on two spaced apart Guide devices 10, which are designed here as running rails, can be moved in a tensioning direction of the formwork devices 2. Furthermore, the guide devices 10 are arranged above the support devices 5 and parallel to them. In order to make the battery formwork 1 more compact, the formwork devices 2 are attached to the support devices 5 at their upper end.
- the formwork devices 2 according to the invention can be included in the battery formwork 1, which are explained below.
- Fig. 2 shows a formwork device 2 for arrangement between two bulkheads 6 of a battery formwork 1 according to Fig. 1 .
- the bulkheads 6 can also be designed as further formwork elements.
- the formwork device 2 has two formwork elements 11, which in the embodiment shown are formwork panels.
- the formwork elements 11 each have a formwork front side 12 for loading with concrete and a formwork back side 13, the formwork elements 11 being pivotally connected to one another at first end regions 14, so that the formwork elements 11 can be transferred from a standing state to a lying state.
- the formwork elements 11 each have two connecting elements 16 at the first end regions 14 opposite second end regions 15, which are arranged at the two ends of the lower longitudinal edges 17 of the formwork elements 11.
- Fig. 2 shows a formwork device 2 according to the invention, in which at least one spreading device 18 for spreading apart the second end regions 15 of the formwork elements 11 (cf. Fig. 6 ) is used starting from the standing state of the formwork elements 11.
- Two spreading devices 18 are preferably provided at a horizontal distance from one another.
- the spreading devices 18 are detachably connected to the connecting elements 16 of the formwork devices 11.
- the spreading device 18 has a force deflection device 19 which acts on the second end regions 15 of the formwork elements 11 and which lowers the formwork elements 11 is converted into the spreading apart of the second end regions 15 of the formwork elements 11.
- the force deflection device 19 has two lever elements 20, which are connected to one another via a pivot bearing 21 with a pivot axis 22 that is essentially stationary when the formwork elements 11 are spread apart.
- 16 connecting tabs are provided as connecting elements, to which the lever elements 20 are pivotably attached.
- releasable locking connections are provided between the spreading device 18 and the connecting elements 16 on the formwork elements 11.
- the locking connections have bolts 23 and corresponding bolt receptacles.
- a lever element 20 and a connecting strap thus form a toggle lever.
- the pivot bearing 21 has a substantially horizontal support surface 24 for resting on the ground when lowering the formwork elements 11 with the spreading device 18 attached thereto.
- Fig. 2 the formwork elements 11 are arranged vertically in the standing state, so that the backs of the formwork 13 face each other and the front sides of the formwork 12 face them when the formwork device 2 is arranged in a battery formwork 1 between two bulkheads 6.
- FIG. 2 In the right position Fig. 2 the placement of the spreading device 18 on the ground is shown, whereby the spreading apart of the second end regions 15 of the formwork elements 11 is triggered.
- Fig. 3 shows the conversion of the lowering movement of the formwork device 2 with the spreading device 18 into the spreading apart of the second end regions 15 of the formwork elements 11.
- lever elements 20 are arranged essentially horizontally in the spread-apart state of the second end regions 15 of the formwork elements 11.
- the following procedure can therefore be carried out to produce and dry a precast concrete part.
- the formwork device 2 is in the battery formwork 1 according to Fig. 1 arranged, the formwork elements 11 of the formwork device 2 in one Concreting position can be arranged in an interior between the two bulkheads 6. At least one prefabricated concrete part is then cast using the formwork device 2, with a prefabricated concrete part preferably being formed on each of the two formwork elements 11. As a result, using the formwork device 2, it is possible to produce two prefabricated concrete parts at the same time.
- a corresponding number of prefabricated concrete parts can be cast.
- the formwork device 2 together with at least one precast concrete part is lifted using a lifting device, for example the lifting device 9 according to Fig. 1 , lifted out of the interior of the battery formwork.
- the formwork elements 11 are in a standing state in which the formwork elements 11, as in Fig. 2 shown, are arranged folded vertically.
- two spreading devices 18 according to Fig. 2 to 4 connected to the second end regions 15 of the formwork elements 11 at the two ends of the long sides 17 of the formwork elements 11, with bolts 23 being brought into engagement with corresponding bolt receptacles.
- This locking connection can be secured using split pins.
- the bolts 23 are provided on the connecting elements 16 and the bolt receptacles on the lever elements 20.
- the bolts 23 can be detachably arranged in corresponding bolt receptacles of the connecting elements 16 and the lever elements 20.
- the formwork elements 11 with the precast concrete part and the spreading devices 18 are arranged at the second end regions 15 of the formwork elements 11 in a drying position on a surface outside the interior of the battery formwork 1.
- the formwork elements 11 are moved in the standing state with spreading tools 18 arranged on the connecting elements 16 with the help of the lifting device 9 downwards towards a subsurface until, as in Fig. 2 shown on the right, the horizontal support surface 24 rests on the ground.
- the lever elements 20 are aligned horizontally, so that the two lever elements 20 enclose an angle of 180°. This prevents the formwork elements 11 from spreading further apart, so that the formwork device 2 assumes a stable drying position and the lifting device 9 can be removed without the formwork device 2 tipping over.
- Fig. 5 shows a further spreading device 18 according to the invention, which has a force deflection device 19 with two lever elements 20, which are connected to one another via a pivot bearing 21 with a pivot axis 22 that is essentially stationary when the formwork elements 11 are spread apart.
- the lever elements 20 are significantly longer here than in the embodiment Fig. 2 to 4 educated.
- the lever elements 20 have receiving troughs 25 for receiving corresponding guide bolts on the second end regions 15 of the formwork elements 11 (cf. Fig. 7 ).
- the spreading device 18 has an opening device 26 for transferring the formwork elements 11 from the spread-apart state of the second end regions 15 into the lying state of the formwork elements 11.
- the opening device 26 comprises a guide track 27 for guiding support elements 28 on the second end regions 15 of the formwork elements 11, the guide track 27 having two sloping take-over sections 29 for taking over the support elements 28.
- the spreading device 18 has a tensioning device 30 which has a spring.
- the tensioning device 30 serves to pretension the lever elements 20 in Direction of a rest position of the lever elements 20 before the second end regions 15 of the formwork elements 11 are spread apart. This can support the erection of the formwork elements 11 when transferring from the lying position to the standing position.
- the two rod-shaped lever elements 20 In the rest position, the two rod-shaped lever elements 20 form a V, with the receiving troughs 25 being arranged at the ends of the lever elements 20, which are arranged at the top of the V.
- the two lever elements 20 form an angle between 15 and 25°, preferably 20°. Furthermore, the in Fig.
- the 7 shown embodiment of the spreading device 18 has a releasable locking device 31 for locking the pivoting of the lever elements 20 in their rest position.
- the locking device 31 has a hook 32 and a corresponding receiving device 33 for receiving the hook 32.
- the hook 32 is arranged on one of the two lever elements 20 and the receiving device 33 on the other of the two lever elements 20.
- the hook 32 is rotatably mounted on one lever element 20 via a pivot bearing 34.
- a coupling rod 35 is arranged, which is connected to a compression spring 36.
- the compression spring 36 extends into the receiving trough 25 of the lever element 20, on which the hook 32 is arranged, so that when the guide pins are received into the receiving trough 25, the compression spring 36 is actuated, whereby the coupling rod 35 connected to the compression spring 36 via the pivot bearing 34 Releases hook 32 from the receiving device 33.
- the formwork elements 11 of a formwork device 2 according to the invention can be transferred to the lying state.
- two spreading devices 18 according to the embodiment in Fig. 5 arranged on a surface in such a way that the guide tracks 27 of the spreading devices 18 are aligned parallel to one another.
- the formwork elements 11 After drying and removing the precast concrete parts from the formwork elements 11, as in Fig. 6 shown, the formwork elements 11 are arranged in the standing state above the ground above the spreading devices 18 using the lifting device 9.
- the formwork elements 11 are arranged in such a way that the bolts 23, which are fastened in the bores of the connecting elements 16 and are provided as guide bolts, are positioned directly above the receiving troughs 25 of the spreading devices 18. Afterwards, as in Fig. 7 shown, the formwork elements 11 are lowered onto the spreading devices 18, so that the bolts 23 of the formwork elements 11 are received by the receiving troughs 25 of the spreading devices 18.
- the formwork elements 11 each have two bolts 23, so that the total of four bolts 23 of the formwork elements 11 are accommodated in the total of four receiving troughs 25 of the two spreading devices 18.
- the total of four support elements 28 of the two formwork elements 11 are support bolts which are arranged above the two guide tracks 27 when the connecting elements 16 and the bolts 23 are received in the receiving troughs 25 of the spreading devices 18.
- the support elements 28 can be designed as support rollers.
- the total of four takeover sections 29 of the two guideways 27 are arranged in such a way that when the second end regions 15 of the formwork elements 11 are lowered and spread apart, the support elements 28 of the formwork elements 11 rest on the takeover sections 29 of the guideways 27.
- the formwork elements 11 are lowered further, they are spread further apart by guiding the support elements 28 on the guide tracks 27, with the bolts 23 emerging from the receiving troughs 25 of the spreading devices 18 move.
- the formwork elements 11 are moved from the spread-apart state of the second end regions 15 into the lying state of the formwork elements 11 by means of the guide tracks 27 of the opening devices 26. This means that the formwork elements 11 can be easily cleaned and re-equipped.
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- Moulds, Cores, Or Mandrels (AREA)
Description
Die Erfindung betrifft eine Schalungseinrichtung nach dem Oberbegriff von Anspruch 1.The invention relates to a formwork device according to the preamble of
Weiters betrifft die Erfindung eine Batterieschalung, die zwei Schottwände und eine zwischen den Schottwänden anordenbare Schalungseinrichtung aufweist.The invention further relates to a battery formwork which has two bulkheads and a formwork device which can be arranged between the bulkheads.
Schließlich betrifft die Erfindung ein Verfahren zum Herstellen eines Betonfertigteils, sowie ein Verfahren zum Vorbereiten des Herstellens eines Betonfertigteils.Finally, the invention relates to a method for producing a precast concrete part, as well as a method for preparing for the production of a precast concrete part.
Die
Die
Bei der Serienfertigung von Betonfertigteilen kommen häufig Batterieschalungen zum Einsatz. Insbesondere bei der Herstellung von Gebäuden in Plattenbauweise werden häufig Betonfertigteile verwendet. Diese Betonfertigteile können schnell und günstig in Batterieschalungen hergestellt werden. Die
Beim Stand der Technik können die Betonfertigteile einerseits innerhalb der Batterieschalung ausgehärtet werden. Nachteilig dabei ist, dass die gesamte Batterieschalung bis zur Aushärtung des Betons in Verwendung ist und nicht für das Gießen weiterer Betonfertigteile verwendet werden kann.With the state of the art, the precast concrete parts can be hardened within the battery formwork. The disadvantage here is that the entire battery formwork is in use until the concrete has hardened and cannot be used to cast further precast concrete parts.
Um die Batterieschalung rascher einsatzbereit zu machen, wäre es wünschenswert, die Betonfertigteile an der Schalungseinrichtung außerhalb der Batterieschalung trocknen zu lassen. Die Schwierigkeit besteht jedoch darin, eine stabile Trocknungsposition zu finden, welche zudem das Wegheben der Betonfertigteile von der Schalungseinrichtung erleichtert. Weiters wäre es wünschenswert, das Überführen der Schalungselemente in den aufgefalteten (liegenden) Zustand zu erleichtern.In order to make the battery formwork ready for use more quickly, it would be desirable to allow the prefabricated concrete parts to dry on the formwork device outside the battery formwork. The difficulty, however, lies in finding a stable drying position, which also makes it easier to lift the precast concrete parts away from the formwork device. Furthermore, it would be desirable to make it easier to transfer the formwork elements into the unfolded (lying) state.
Die Aufgabe der vorliegenden Erfindung besteht darin, zumindest einzelne Nachteile des Standes der Technik zu lindern bzw. zu beheben. Die Erfindung setzt sich insbesondere zum Ziel, eine raschere Wiederverwendung der Batterieschalung zu ermöglichen und das Entfernen der Betonfertigteile zu vereinfachen. Ein weiteres Ziel kann darin bestehen, das Überführen der Schalungselemente in den liegenden Zustand für die Bestückung mit Begrenzungselementen für Türen, Fenster usw. zu erleichtern.The object of the present invention is to alleviate or eliminate at least individual disadvantages of the prior art. The invention's particular aim is to enable the battery formwork to be reused more quickly and to simplify the removal of the prefabricated concrete parts. A further aim can be to make it easier to transfer the formwork elements into the lying state so that they can be fitted with limiting elements for doors, windows, etc.
Diese Aufgabe wird durch eine Schalungseinrichtung mit den Merkmalen von Anspruch 1, eine Batterieschalung mit den Merkmalen von Anspruch 10, ein Verfahren zum Herstellen eines Betonfertigteils mit den Merkmalen von Anspruch 11 und ein Verfahren zum Vorbereiten des Herstellens eines Betonfertigteils mit den Merkmalen von Anspruch 12 gelöst.This object is achieved by a formwork device with the features of
Demnach weist die Schalungseinrichtung eine Spreizvorrichtung zum Auseinanderspreizen von den ersten Endbereichen gegenüberliegenden zweiten Endbereichen der Schalungselemente ausgehend vom stehenden Zustand der Schalungselemente auf.Accordingly, the formwork device has a spreading device for spreading apart second end regions of the formwork elements opposite the first end regions, starting from the standing state of the formwork elements.
Diese Schalungseinrichtung kann insbesondere bei einer Batterieschalung mit zwei Schottwänden eingesetzt werden.This formwork device can be used in particular in battery formwork with two bulkheads.
Die zwei vorzugsweise rechteckigen Schalungselemente sind jeweils an einem ersten Endbereich, insbesondere an einer ihrer Längsseiten, verschwenkbar verbunden. Zu diesem Zweck kann eine Gelenkverbindung zwischen den ersten Endbereichen der Schalungselemente vorgesehen sein. Dadurch sind die beiden Schalungselemente von einem stehenden Zustand, in dem die Schalungselemente vorzugsweise im Wesentlichen vertikal ausgerichtet sind, in einen liegenden Zustand, in dem die Schalungselemente vorzugsweise im Wesentlichen horizontal ausgerichtet sind, überführbar. Im stehenden Zustand bilden die ersten Endbereiche die oberen Enden der Schalungselemente und die zweiten Endbereiche die unteren Enden der Schalungselemente.The two preferably rectangular formwork elements are each pivotally connected at a first end region, in particular on one of their long sides. For this purpose, an articulated connection can be provided between the first end regions of the formwork elements. As a result, the two formwork elements can be transferred from a standing state, in which the formwork elements are preferably aligned essentially vertically, to a lying state, in which the formwork elements are preferably aligned essentially horizontally. In the standing state, the first end regions form the upper ends of the formwork elements and the second end regions form the lower ends of the formwork elements.
Zum Herstellen eines Bauelements, insbesondere eines Betonfertigteils, können die Schalungselemente im stehenden Zustand zwischen den zwei Schottwänden der Batterieschalung angeordnet werden. Dabei befinden sich die Schalungselemente in dem zusammengeklappten (d.h. im Wesentlichen parallel nebeneinander stehenden) Zustand, wobei die Schalungsvorderseiten nach außen zeigen und die Schalungsrückseiten einander zugewandt sind. Die zwei Schalungsvorderseiten begrenzen Hohlräume, in welche Beton gegossen werden kann. Der liegende Zustand der Schalungselemente kann hingegen dazu genutzt werden, Schalelemente, also insbesondere Begrenzungselemente für Tür- und/oder Fensterausschnitte in dem Bauelement, an den Schalungsvorderseiten der Schalungselemente anzubringen.To produce a component, in particular a prefabricated concrete part, the formwork elements can be arranged in the standing state between the two bulkheads of the battery formwork. The formwork elements are in the folded state (i.e. standing essentially parallel to one another), with the front sides of the formwork facing outwards and the back sides of the formwork facing each other. The two front sides of the formwork define cavities into which concrete can be poured. The lying state of the formwork elements can, however, be used to attach formwork elements, i.e. in particular boundary elements for door and/or window cutouts in the component, to the formwork front sides of the formwork elements.
Die erfindungsgemäße Spreizvorrichtung an den zweiten Endbereichen der Schalungselemente kann vorteilhafterweise je nach Ausführung unterschiedliche Funktionen erfüllen.The spreading device according to the invention on the second end regions of the formwork elements can advantageously fulfill different functions depending on the design.
Nach dem Gießen der Betonfertigteile in den Hohlräumen kann die Schalungseinrichtung zusammen mit zumindest einem Bauelement an einer Schalungsvorderseite, insbesondere zwei Bauelementen an den beiden Schalungsvorderseiten, aus dem Innenraum der Batterieschalung entfernt, insbesondere mit einer Hebeeinrichtung herausgehoben, werden. Die Betonfertigteile befinden sich dabei in einem ausgehärteten, aber noch nicht vollständig getrockneten Zustand, welcher es erlaubt, dass das Bauelement ohne Gegendruck durch die Schottwände (oder andere Schalungseinrichtungen) an der jeweiligen Schalungsvorderseite gehalten ist. Zum weiteren Trocknen des Bauelements kann die Schalungseinrichtung in einer Trocknungsstellung mit auseinandergespreizten zweiten Endbereichen der Schalungselemente außerhalb des Zwischenraums der Batterieschalung angeordnet werden. Zu diesem Zweck greift die Spreizvorrichtung zumindest während des Abstellens der Schalungseinrichtung mit dem zu trocknenden Bauelement auf dem Untergrund an den zweiten Endbereichen - gegenüberliegend der verschwenkbaren Verbindung zwischen den Schalungselementen - an. Mithilfe der Spreizvorrichtung werden die zweiten Endbereiche der Schalungselemente auseinandergespreizt, sodass die zwei Schalungselemente in der Trocknungsstellung in Seitenansicht gesehen eine umgekehrte V-Form bilden. Bei der Trocknungsstellung handelt es sich um eine stabile Zwischenstellung zwischen dem stehenden und dem liegenden Zustand der Schalungselemente. Somit kann die Schalungseinrichtung in der stabilen und platzsparenden Trocknungsstellung außerhalb des Innenraums der Batterieschalung angeordnet werden, um die Bauelemente zu trocknen. Der Innenraum der Batterieschalung kann währenddessen bereits für die Herstellung weiterer Bauelemente genutzt werden. In der Trocknungsstellung bewirkt die Spreizvorrichtung, dass die zweiten Endbereiche der Schalungselemente gegen ein Zusammenklappen in den stehenden Zustand und/oder ein Auseinanderklappen in den liegenden Zustand gesichert ist. Somit treibt die Spreizvorrichtung zunächst die zweiten Endbereiche der Schalungselemente auseinander und hält dann die Schalungselemente in der Trocknungsstellung. Bevorzugt ist die Trocknungsstellung bezogen auf den Schwenkwinkel näher, insbesondere um ein Mehrfaches näher, an dem stehenden Zustand als an dem liegenden Zustand der Schalungselemente. Diese Ausführung hat insbesondere auch den Vorteil, dass das Wegheben des Bauelements von der Schalungseinrichtung nach dem Trocknen wesentlich erleichtert wird, weil das Bauelement nur geringen Lasten ausgesetzt wird und überdies ein nachteiliges Taumeln des Bauelements vermieden wird.After the precast concrete parts have been poured into the cavities, the formwork device can be removed from the interior of the battery formwork together with at least one component on a front side of the formwork, in particular two components on the two front sides of the formwork, in particular with a lifting device to be highlighted. The prefabricated concrete parts are in a hardened but not yet completely dried state, which allows the component to be held on the respective front side of the formwork without counter-pressure by the bulkheads (or other formwork devices). For further drying of the component, the formwork device can be arranged in a drying position with the second end regions of the formwork elements spread apart outside the space between the battery formwork. For this purpose, the spreading device engages the component to be dried on the subsurface at the second end regions - opposite the pivotable connection between the formwork elements - at least while the formwork device is being parked. With the help of the spreading device, the second end regions of the formwork elements are spread apart so that the two formwork elements form an inverted V shape when viewed from the side in the drying position. The drying position is a stable intermediate position between the standing and lying states of the formwork elements. The formwork device can thus be arranged in the stable and space-saving drying position outside the interior of the battery formwork in order to dry the components. Meanwhile, the interior of the battery formwork can be used to produce additional components. In the drying position, the spreading device ensures that the second end regions of the formwork elements are secured against folding into the standing state and/or unfolding into the lying state. The spreading device thus first drives apart the second end regions of the formwork elements and then holds the formwork elements in the drying position. The drying position, based on the pivot angle, is preferably closer, in particular several times closer, to the standing state than to the lying state of the formwork elements. This embodiment also has the particular advantage that lifting the component away from the formwork device after drying is made much easier because the component is only exposed to low loads and, moreover, disadvantageous wobbling of the component is avoided.
In einer weiteren Ausführung kann die Spreizvorrichtung zudem dazu genutzt werden, das Überführen der Schalungselemente vom stehenden Zustand in Richtung des liegenden Zustands zu bewerkstelligen. Vorteilhafterweise kann ein manuelles Auseinanderklappen der Schalungselemente vermieden werden.In a further embodiment, the spreading device can also can be used to transfer the formwork elements from the standing state to the lying state. Advantageously, manual unfolding of the formwork elements can be avoided.
Für die Zwecke dieser Offenbarung beziehen sich die Orts- und Richtungsangaben, wie "oben", "unten", "horizontal", "vertikal", auf eine bestimmungsgemäße Betriebsstellung der Schalungseinrichtung und der Batteriestellung auf einem horizontalen Untergrund.For the purposes of this disclosure, the location and directional information, such as "top", "bottom", "horizontal", "vertical", refers to an intended operating position of the formwork device and the battery position on a horizontal surface.
Das erfindungsgemäße Verfahren zum Herstellen eines Betonfertigteils weist zumindest die folgenden Schritte auf:
- Vorsehen einer Batterieschalung,
- Anordnen der Schalungselemente in einer Betonierposition in einem Innenraum zwischen den zwei Schottwänden,
- Gießen des Betonfertigteils in dem Innenraum,
- Entfernen der Schalungselemente mit dem Betonfertigteil aus dem Innenraum der Batterieschalung,
- Verbinden der Spreizvorrichtung mit den zweiten Endbereichen der Schalungselemente, und
- Anordnen der Schalungselemente mit dem Betonfertigteil und der Spreizvorrichtung an den zweiten Endbereichen der Schalungselemente in einer Trocknungsposition auf einem Untergrund außerhalb des Innenraums der Batterieschalung, wobei die zweiten Endbereiche der Schalungselemente durch die Spreizvorrichtung auseinandergespreizt werden.
- Providing a battery formwork,
- Arranging the formwork elements in a concreting position in an interior between the two bulkheads,
- Pouring the precast concrete part in the interior,
- Removing the formwork elements with the precast concrete part from the interior of the battery formwork,
- Connecting the spreading device to the second end regions of the formwork elements, and
- Arranging the formwork elements with the precast concrete part and the spreading device at the second end regions of the formwork elements in a drying position on a surface outside the interior of the battery formwork, the second end regions of the formwork elements being spread apart by the spreading device.
Bei diesem Verfahren werden daher die Schalungselemente mit Hilfe der Spreizvorrichtung in der Trocknungsposition mit auseinandergespreizten zweiten Endbereichen angeordnet. Die Spreizvorrichtung verbindet die zweiten Endbereiche der Schalungselemente derart miteinander, dass die zweiten Endbereiche vom stehenden Zustand in die Trocknungsposition, aber nicht darüber hinaus weiter in Richtung des liegenden Zustands, überführt werden, um in einer stabilen Dreiecks-Anordnung auf einem ebenen Untergrund abgestellt werden zu können. Bevorzugt wird die Spreizvorrichtung lösbar an den zweiten Endbereichen der Schalungselemente angebracht, bevor die Schalungselemente mit der Spreizvorrichtung auf dem Untergrund abgestellt werden. Somit kann der Kontakt der Spreizvorrichtung an den zweiten Endbereichen der Schalungselemente mit dem Untergrund dazu genutzt werden, die Absenkbewegung der Schalungseinrichtung in das Auseinanderspreizen der zweiten Endbereiche der Schalungselemente umzuwandeln. Im abgestellten Zustand der Schalungseinrichtung (d.h. ohne Unterstützung durch eine Hebeeinrichtung von oben) befinden sich die Schalungselemente in der Trocknungsposition, in welcher die Schalungselemente in einem definierten Winkel zueinander angeordnet sind.In this method, the formwork elements are therefore arranged in the drying position with the second end regions spread apart using the spreading device. The spreading device connects the second end regions of the formwork elements to one another in such a way that the second end regions are transferred from the standing state to the drying position, but not further in the direction of the lying state, in order to be placed in a stable triangular arrangement on a flat surface can. Preferably, the spreading device is detachably attached to the second end regions of the formwork elements before the formwork elements are placed on the ground with the spreading device. So the contact can the spreading device on the second end regions of the formwork elements with the ground can be used to convert the lowering movement of the formwork device into the spreading apart of the second end regions of the formwork elements. When the formwork device is parked (ie without support from a lifting device from above), the formwork elements are in the drying position, in which the formwork elements are arranged at a defined angle to one another.
Das Verfahren zum Vorbereiten des Herstellens eines Betonfertigteils weist zumindest die folgenden Schritte auf:
- Vorsehen einer Schalungseinrichtung,
- Anordnen der Schalungselemente im stehenden Zustand oberhalb eines Untergrunds,
- Anordnen der Spreizvorrichtung auf dem Untergrund,
- Absenken der Schalungselemente auf die Spreizvorrichtung auf dem Untergrund,
- Auseinanderspreizen der zweiten Endbereiche der Schalungselemente mittels der Spreizvorrichtung.
- Providing a formwork device,
- Arranging the formwork elements in a standing state above a subsurface,
- Arranging the spreading device on the surface,
- Lowering the formwork elements onto the spreading device on the ground,
- Spreading apart the second end regions of the formwork elements by means of the spreading device.
Bei diesem Verfahren wird die Spreizvorrichtung zum Überführen der Schalungselemente vom stehenden Zustand in Richtung des liegenden Zustands genutzt. Vorzugsweise werden die Schalungselemente, insbesondere mit Hilfe einer Hebeeinrichtung, beispielsweise eines Krans, oberhalb des Untergrunds angeordnet. Die Spreizvorrichtung befindet sich währenddessen auf dem Untergrund. Durch Absenken der Schalungselemente auf die Spreizvorrichtung wird die Spreizvorrichtung derart betätigt, dass die zweiten Endbereiche der Schalungselemente vom stehenden Zustand in Richtung des liegenden Zustands überführt werden. Je nach Ausführung der Spreizvorrichtung kann diese das Auseinanderklappen der Schalungselemente zumindest teilweise bewirken. Weiters kann die Spreizvorrichtung auch beim Einklappen der Schalungselemente, d.h. beim Überführen vom liegenden in den stehenden Zustand, verwendet werden.In this method, the spreading device is used to transfer the formwork elements from the standing state towards the lying state. The formwork elements are preferably arranged above the subsurface, in particular with the aid of a lifting device, for example a crane. Meanwhile, the spreader is on the ground. By lowering the formwork elements onto the spreading device, the spreading device is actuated in such a way that the second end regions of the formwork elements are transferred from the standing state towards the lying state. Depending on the design of the spreading device, it can at least partially cause the formwork elements to unfold. Furthermore, the spreading device can also be used when folding the formwork elements, i.e. when transferring them from the lying to the standing state.
Es ist günstig, dass die Spreizvorrichtung eine jeweils an den zweiten Endbereichen der Schalungselemente angreifende Kraftumlenkeinrichtung aufweist, welche eine Absenkung der Schalungselemente in das Auseinanderspreizen der zweiten Endbereiche der Schalungselemente umwandelt. Durch den Kontakt der Spreizvorrichtung an den zweiten Endbereichen mit dem Untergrund oder durch das Absenken der Schalungselemente auf die zuvor am Untergrund abgestellte Spreizvorrichtung kann die Absenkbewegung, d.h. die vertikale Abwärtsbewegung, der Schalungselemente ein Auseinanderspreizen der zweiten Endbereiche der Schalungselemente bewirken. Dadurch kann die durch die vertikale Abwärtsbewegung freiwerdende Energie zum Auseinanderspreizen der zweiten Endbereiche der Schalungselemente genutzt werden.It is favorable that the spreading device has a force deflection device which acts on the second end regions of the formwork elements and which lowers the formwork elements converted into the spreading apart of the second end regions of the formwork elements. By contacting the spreading device at the second end regions with the ground or by lowering the formwork elements onto the spreading device previously placed on the ground, the lowering movement, ie the vertical downward movement, of the formwork elements can cause the second end regions of the formwork elements to spread apart. As a result, the energy released by the vertical downward movement can be used to spread apart the second end regions of the formwork elements.
Gemäß einer bevorzugten Ausführungsform weist die Kraftumlenkeinrichtung zwei Hebelelemente auf, welche über ein Schwenklager mit einer beim Auseinanderspreizen der Schalungselemente vorzugsweise im Wesentlichen stationären Schwenkachse miteinander verbunden sind. Mithilfe der zwei Hebelelemente können die zweiten Endbereiche der Schalungselemente besonders einfach auseinandergespreizt werden. Das Auftreffen der an den zweiten Endbereichen angebrachten Spreizvorrichtung auf den Untergrund oder das Absenken der Schalungselemente auf die am Untergrund befindliche Spreizvorrichtung wird in eine Verschwenkung der Hebelelemente umgewandelt, welche das Auseinanderspreizen der zweiten Endbereiche der Schalungselemente bewirkt. Bevorzugt sind die zwei Hebelelemente mittels einer Schwenkachse auf Seite des Untergrunds verschwenkbar miteinander verbunden.According to a preferred embodiment, the force deflection device has two lever elements, which are connected to one another via a pivot bearing with a pivot axis that is preferably essentially stationary when the formwork elements are spread apart. With the help of the two lever elements, the second end regions of the formwork elements can be spread apart particularly easily. The impact of the spreading device attached to the second end regions on the ground or the lowering of the formwork elements onto the spreading device located on the ground is converted into a pivoting of the lever elements, which causes the second end regions of the formwork elements to be spread apart. Preferably, the two lever elements are pivotally connected to one another by means of a pivot axis on the base side.
Die Spreizvorrichtung, insbesondere ihre Hebelelemente, kann aus verschiedenen Materialien gefertigt sein. Bevorzugt ist eine Ausführung aus Metall, Kunststoff, insbesondere faserverstärktem Kunststoff, oder einer Verbindung daraus.The spreading device, in particular its lever elements, can be made of different materials. A version made of metal, plastic, in particular fiber-reinforced plastic, or a combination thereof is preferred.
Gemäß einer besonders bevorzugten Ausführungsform sind zwei Spreizvorrichtungen zum Angreifen an den seitlichen Rändern an den zweiten Endbereichen der Schalungselemente vorgesehen. Vorteilhafterweise greifen die beiden Spreizvorrichtungen an zwei gegenüberliegenden Seiten der seitlichen Ränder an den zweiten Endbereichen der Schalungselemente an. Somit kann ein gleichmäßiges Aufspreizen der Schalungselemente über die gesamte Länge der Schalungseinrichtung (d.h. ihre Erstreckung entlang der verschwenkbaren Verbindung) sichergestellt werden.According to a particularly preferred embodiment, two spreading devices are provided for engaging the lateral edges on the second end regions of the formwork elements. Advantageously, the two spreading devices engage on two opposite sides of the side edges on the second end regions of the formwork elements. This ensures uniform spreading of the formwork elements over the entire length of the formwork device (ie its extension along the pivotable connection).
Gemäß einer besonders bevorzugten Ausführungsform sind die Hebelelemente im auseinander gespreizten Zustand der zweiten Endbereiche der Schalungselemente im Wesentlichen horizontal angeordnet. Vorzugsweise sind die zwei Hebelelemente im Ruhezustand, d.h. vor dem Auseinanderspreizen der zwei Endbereiche, in einer V-förmigen Position angeordnet. Beim Auseinanderspreizen der Schalungselemente werden die Hebelelemente von dem Ruhezustand, in dem sie an den zweiten Endbereichen der Schalungselemente im stehenden Zustand angreifen, in die horizontale Position überführt, in der die zweiten Endbereiche der Schalungselemente auseinandergespreizt sind und die beiden Hebelelemente einen Winkel von im Wesentlichen 180° einschließen. Dabei verschwenken die zwei Hebelelemente in entgegengesetzte Richtungen um die Schwenkachse. In einer Seitenansicht weisen die beiden Schalungselemente bei auseinandergespreizten zweiten Endabschnitten zusammen mit den horizontal ausgerichteten Hebelelementen die Form eines gleichschenkeligen Dreiecks auf, wobei die horizontal ausgerichteten Hebelelemente die Basis und die Schalungselemente die Schenkel bilden.According to a particularly preferred embodiment, the lever elements are arranged essentially horizontally when the second end regions of the formwork elements are spread apart. Preferably, the two lever elements are arranged in a V-shaped position in the resting state, i.e. before the two end regions are spread apart. When the formwork elements are spread apart, the lever elements are transferred from the resting state, in which they engage the second end regions of the formwork elements in the standing state, to the horizontal position, in which the second end regions of the formwork elements are spread apart and the two lever elements have an angle of essentially 180 ° include. The two lever elements pivot in opposite directions about the pivot axis. In a side view, with the second end sections spread apart, the two formwork elements, together with the horizontally aligned lever elements, have the shape of an isosceles triangle, with the horizontally aligned lever elements forming the base and the formwork elements forming the legs.
Um die Spreizvorrichtung mit den Schalungselementen zu verbinden, ist es günstig, wenn die Schalungselemente an den zweiten Endbereichen jeweils ein Verbindungselement zur vorzugsweise lösbaren Verbindung mit der Spreizvorrichtung aufweisen.In order to connect the spreading device to the formwork elements, it is advantageous if the formwork elements each have a connecting element at the second end regions for the preferably releasable connection to the spreading device.
In einer bevorzugten Ausführungsform sind als Verbindungselemente zwei Verbindungslaschen vorgesehen, welche verschwenkbar mit den Hebelelementen verbunden sind. Dadurch bilden jeweils ein Hebelelement und eine Verbindungslasche einen Kniehebel.In a preferred embodiment, two connecting tabs are provided as connecting elements, which are pivotally connected to the lever elements. As a result, a lever element and a connecting strap each form a toggle lever.
Gemäß einer bevorzugten Ausführungsform sind die Hebelelemente und die Verbindungselemente über Riegelverbindungen, insbesondere mit Bolzen und Bolzenaufnahmen, miteinander verbindbar bzw. miteinander verbunden. Dadurch können die Hebelelemente und die Verbindungselemente auf einfache Weise lösbar miteinander verbunden werden. Bevorzugt wird ein Bolzen in eine entsprechende Bolzenaufnahmen gesteckt.According to a preferred embodiment, the lever elements and the connecting elements can be connected to one another or are connected to one another via locking connections, in particular with bolts and bolt receptacles. This allows the lever elements and the connecting elements to be releasably connected to one another in a simple manner. A bolt is preferably inserted into a corresponding bolt receptacle.
Um die Schalungselemente mithilfe der Schwerkraft und des Untergrunds aufzuspreizen, ist es günstig, wenn das Schwenklager eine vorzugsweise im Wesentlichen horizontale Auflagefläche zur Auflage am Untergrund beim Absenken der Schalungselemente mit der daran angebrachten Spreizvorrichtung aufweist. Somit werden die Hebelelemente durch den Kontakt mit dem Untergrund auseinander geschwenkt und so die zweiten Endbereiche der Schalungselemente auseinandergespreizt.Around the formwork elements using gravity and the subsoil To spread, it is advantageous if the pivot bearing has a preferably essentially horizontal support surface for resting on the ground when lowering the formwork elements with the spreading device attached to them. The lever elements are thus pivoted apart by contact with the ground and the second end regions of the formwork elements are spread apart.
Gemäß einer weiteren bevorzugten Ausführungsform weisen die Hebelelemente Aufnahmemulden zur Aufnahme entsprechender Führungselemente, insbesondere Führungsbolzen, an den zweiten Endbereichen der Schalungselemente auf. Dadurch können Schalungselemente gegenüber der Spreizvorrichtung genau ausgerichtet werden. Diese Ausführung eignet sich insbesondere dann, wenn die Spreizvorrichtung zunächst getrennt, d.h. in einem Abstand von den Schalungselementen am Untergrund angeordnet wird und die Schalungselemente dann auf die Spreizvorrichtung abgesenkt wird, um die zweiten Endbereiche mittels der Spreizvorrichtung voneinander zu entfernen.According to a further preferred embodiment, the lever elements have receiving troughs for receiving corresponding guide elements, in particular guide bolts, on the second end regions of the formwork elements. This means that formwork elements can be precisely aligned with respect to the spreading device. This embodiment is particularly suitable if the spreading device is initially separated, i.e. arranged on the ground at a distance from the formwork elements and the formwork elements are then lowered onto the spreading device in order to remove the second end regions from one another by means of the spreading device.
Gemäß einer bevorzugten Ausführungsform ist eine Spannvorrichtung, insbesondere eine Feder, zum Vorspannen der Hebelelemente in Richtung einer Ruheposition der Hebelelemente vor dem Auseinanderspreizen der zweiten Endbereiche der Schalungselemente vorgesehen. Somit wird die Feder beim Verschwenken der Hebelelemente durch das Auseinanderspreizen der zweiten Endbereiche gespannt. Dabei sind die Hebelelemente in der vertikalen Position entspannt und können die Schalungselemente im stehenden Zustand aufnehmen. Beim Auseinanderspreizen der zweiten Endbereiche der Schalungselemente werden die Hebelelemente in die horizontale Position entgegen einer Federkraft der Feder übergeführt, sodass die freiwerdende Energie der Absenkbewegung der Schalungselemente von der Feder aufgenommen wird, um diese zu spannen. Durch das Eigengewicht der Schalungselemente sinken diese in Richtung des Untergrunds ab und bewegen entgegen der Federkraft die in einem Drehpunkt drehbar gelagerten Hebelelemente auseinander, wodurch die von der Spreizvorrichtung aufgenommenen zweiten Endbereiche der Schalungselemente auseinandergespreizt werden. Das Anheben der Schalungselemente wird durch die Federkraft unterstützt.According to a preferred embodiment, a tensioning device, in particular a spring, is provided for pretensioning the lever elements in the direction of a rest position of the lever elements before the second end regions of the formwork elements are spread apart. Thus, when the lever elements are pivoted, the spring is tensioned by the second end regions spreading apart. The lever elements are relaxed in the vertical position and can accommodate the formwork elements in the standing state. When the second end regions of the formwork elements are spread apart, the lever elements are moved into the horizontal position against a spring force of the spring, so that the energy released by the lowering movement of the formwork elements is absorbed by the spring in order to tension it. Due to the own weight of the formwork elements, they sink towards the ground and move the lever elements, which are rotatably mounted at a pivot point, apart against the spring force, as a result of which the second end regions of the formwork elements received by the spreading device are spread apart. The lifting of the formwork elements is supported by the spring force.
Gemäß einer weiteren bevorzugten Ausführungsform ist eine lösbare Sperrvorrichtung zum Sperren der Verschwenkung der Hebelelemente in ihrer Ruheposition vorgesehen. Dadurch wird ein Bewegen der Hebelelemente vor der Anordnung von Schalungselemente an der Spreizvorrichtung verhindert.According to a further preferred embodiment, a releasable locking device is provided for locking the pivoting of the lever elements in their rest position. This prevents the lever elements from moving before the formwork elements are arranged on the spreading device.
Um die Schalungselemente im liegenden Zustand, d.h. vorzugsweise im Wesentlichen horizontal, auszurichten, ist es günstig, wenn eine Öffnungseinrichtung zum Überführen der Schalungselemente von dem auseinander gespreizten Zustand der zweiten Endbereiche in den liegenden Zustand der Schalungselemente vorgesehen ist. Dadurch können nach dem Trocknen und dem Abnehmen der Betonfertigteile von den Schalungselementen die Schalungselemente in den liegenden Zustand übergeführt werden, um diese zu reinigen und neu mit Schalelementen, wie Begrenzungselementen für Fenster und/oder Türen, zu bestücken.In order to align the formwork elements in the lying state, i.e. preferably essentially horizontally, it is advantageous if an opening device is provided for transferring the formwork elements from the spread-apart state of the second end regions into the lying state of the formwork elements. As a result, after drying and removing the precast concrete parts from the formwork elements, the formwork elements can be transferred to the lying state in order to clean them and equip them with new formwork elements, such as boundary elements for windows and/or doors.
Weiters ist es günstig, wenn die Öffnungseinrichtung zumindest eine Führungsbahn zum Führen von Stützelementen, insbesondere Stützrollen, an den zweiten Endbereichen der Schalungselemente aufweist. Dabei werden die Schalungselemente vom auseinander gespreizten Zustand der zweiten Endbereiche mittels der Öffnungseinrichtung in den liegenden Zustand der Schalungselemente bewegt. Danach können die Schalungselemente mit Schalelementen bestückt werden. Diese Ausführung ist insbesondere in Verbindung mit den Hebelelementen der Spreizvorrichtung günstig, weil so vergleichsweise kurze Hebelelemente verwendet werden können.Furthermore, it is favorable if the opening device has at least one guide track for guiding support elements, in particular support rollers, on the second end regions of the formwork elements. The formwork elements are moved from the spread-apart state of the second end regions into the lying state of the formwork elements by means of the opening device. The formwork elements can then be fitted with formwork elements. This design is particularly advantageous in conjunction with the lever elements of the spreading device because comparatively short lever elements can be used.
Zur besseren Führung der Schalungselemente ist es günstig, wenn die zumindest eine Führungsbahn zumindest einen abfallenden Übernahmeabschnitt zur Übernahme der Stützelemente, insbesondere Stützrollen, aufweist. Dadurch können die Schalungselemente von dem stehenden in den liegenden Zustand kontrolliert geführt werden.For better guidance of the formwork elements, it is advantageous if the at least one guide track has at least one sloping take-over section for taking over the support elements, in particular support rollers. This allows the formwork elements to be guided from the standing to the lying state in a controlled manner.
Gemäß einer besonders bevorzugten Ausführungsform weist die Sperrvorrichtung einen Haken und eine korrespondierende Aufnahmevorrichtung zur Aufnahme des Hakens auf, wobei der Haken an einem der zwei Hebelelementen angeordnet ist und die Aufnahmevorrichtung an dem anderen der zwei Hebelelementen angeordnet ist. Dadurch kann eine Verriegelung der Hebelelemente einfach erzielt werden. Durch das Lösen des Hakens von der korrespondierenden Aufnahmevorrichtung können die Hebelelemente gegeneinander bewegt werden. Vorteilhafterweise wird bei Anordnung der zwei Schalungselemente an der Spreizvorrichtung der Haken automatisch von der korrespondieren Aufnahmevorrichtung gelöst, sodass mithilfe der Hebelvorrichtungen die zweiten Endbereiche der Schalungselemente auseinandergespreizt werden können.According to a particularly preferred embodiment, the locking device has a hook and a corresponding receiving device for receiving the hook, the hook being arranged on one of the two lever elements and the receiving device is arranged on the other of the two lever elements. This makes it easy to lock the lever elements. By releasing the hook from the corresponding receiving device, the lever elements can be moved against each other. Advantageously, when the two formwork elements are arranged on the spreading device, the hook is automatically released from the corresponding receiving device, so that the second end regions of the formwork elements can be spread apart using the lever devices.
Die Erfindung wird nachstehend anhand in den Zeichnungen gezeigten, nicht einschränkenden Ausführungsbeispielen weiter erläutert.
-
Fig. 1 zeigt schematisch eine Batterieschalung mit Schalungseinrichtungen; -
Fig. 2 zeigt schematisch eine erfindungsgemäße Schalungseinrichtung mit zwei Schalungselementen in verschiedenen Stellungen beim Abstellen auf einem Untergrund zum Trocknen von Bauelementen an den Schalungselementen, wobei die Schalungseinrichtung links im vom Untergrund abgehobenen Zustand, in der Mitte mit einer Spreizvorrichtung an den unteren Endbereichen und rechts beim Kontaktieren des Untergrunds dargestellt ist; -
Fig. 3 zeigt schematisch die Schalungseinrichtung gemäßFig. 3 bei der Überführung der zwei Schalungselemente von dem stehenden in einen auseinandergespreizten Zustand; -
Fig. 4 zeigt schematisch die Schalungseinrichtung gemäßFig. 3 im auseinandergespreizten Zustand; -
Fig. 5 zeigt schematisch eine weitere erfindungsgemäße Spreizvorrichtung; -
Fig. 6 zeigt schematisch ein Detail einer Schalungseinrichtung mit zwei Schalungselementen in einem stehenden Zustand und der Spreizvorrichtung gemäßFig. 7 ; -
Fig. 7 zeit schematisch ein Detail der Schalungseinrichtung gemäßFig. 6 bei der Aufnahme der Schalungselemente in die Spreizvorrichtung; -
Fig. 8 und 9 zeigen schematisch ein Detail der Schalungseinrichtung gemäßFig. 8 bei der Überführung der zwei Schalungselemente von dem stehenden in einen liegenden Zustand; -
Fig. 10 zeigt schematisch ein Detail der Schalungseinrichtung gemäßFig. 9 ; -
Fig. 11 zeigt schematisch die Schalungseinrichtung gemäßFig. 8 bei der Überführung der zwei Schalungselemente von dem stehenden in den liegenden Zustand; -
Fig. 12 zeigt schematisch die Schalungseinrichtung gemäß Fig. 13 im liegenden Zustand.
-
Fig. 1 shows schematically a battery formwork with formwork devices; -
Fig. 2 shows schematically a formwork device according to the invention with two formwork elements in different positions when placed on a surface for drying components on the formwork elements, with the formwork device on the left in the state lifted from the ground, in the middle with a spreading device at the lower end regions and on the right when contacting the ground is shown; -
Fig. 3 shows schematically the formwork device according toFig. 3 when transferring the two formwork elements from the standing to a spread apart state; -
Fig. 4 shows schematically the formwork device according toFig. 3 when spread apart; -
Fig. 5 shows schematically another spreading device according to the invention; -
Fig. 6 shows schematically a detail of a formwork device with two formwork elements in a standing state and according to the spreading deviceFig. 7 ; -
Fig. 7 time schematically a detail of the formwork device according toFig. 6 when receiving the formwork elements in the spreading device; -
8 and 9 show schematically a detail of the formwork device according toFig. 8 when transferring the two formwork elements from a standing to a lying state; -
Fig. 10 shows schematically a detail of the formwork device according toFig. 9 ; -
Fig. 11 shows schematically the formwork device according toFig. 8 when transferring the two formwork elements from the standing to the lying state; -
Fig. 12 shows schematically the formwork device according to FIG. 13 in the lying state.
Die Anzahl der Trageinrichtungen 5 der Schottwände 6 und der Schalungseinrichtungen 2 ist als nur beispielhaft anzusehen und kann je nach den Gegebenheiten variiert werden. So können zum Beispiel Schalungseinrichtungen 2 zum Betonieren der Außenwände, Innenwände, des Bodens sowie des Dachs eines Hauses vorgesehen sein, so dass mit der Batterieschalung 1 gleichzeitig die Bauelemente für ein ganzes Gebäude produziert werden können. Die Schottwände 6 und die Schalungseinrichtungen 2 sind zwischen zwei Abstützeinrichtungen 7 eingespannt. Die Anzahl der Abstützeinrichtungen 7 ist ebenfalls als nur beispielhaft anzusehen, und kann den Erfordernissen entsprechend variiert werden. Zumindest eine Abstützeinrichtung 7 ist beweglich, d. h. in der vorliegenden Ausführungsform verschieblich, in den Trageinrichtungen 5 aufgenommen. Zur Stabilisierung können die Schalungseinrichtungen 2 und die Abstützeinrichtungen 7 in der Betonierstellung durch eine oder mehrere stangenförmige Verbindungseinrichtungen 8 miteinander verbunden und verspannt werden. Die Anzahl der Verbindungseinrichtungen 8 kann den Verhältnissen angepasst werden. Anstelle von stangenförmigen Verbindungseinrichtungen 8 sind auch hydraulische Verbindungseinrichtungen möglich. Die stangenförmigen Verbindungseinrichtungen 8 sind jedoch besonders robust und einfach zu handhaben. Weiterhin weist die Batterieschalung 1 eine Hebeeinrichtung 9 auf, mit der zumindest eine der Schalungseinrichtungen 2 von der abgesenkten Betonierstellung in eine angehobene Transportstellung überführbar ist, in welcher die Schalungseinrichtung 2 über eine in der Betonierstellung befindliche Schalungseinrichtung 2 in einer Richtung im Wesentlichen senkrecht zur Anheberichtung X förderbar ist. Bei der Batterieschalung 1 werden die Schalungseinrichtungen 2 von oben in die Trageinrichtungen 5 eingehängt, so dass sie im eingehängten Zustand in Betonierstellung zwischen den Auflageabschnitten 4 vom Boden beabstandet sind. Die Gestaltung der Hebeeinrichtung 9 kann den Erfordernissen angepasst werden. Falls nötig, können auch mehrere Hebeeinrichtungen 9 verwendet werden.The number of supporting
Die Hebeeinrichtung 9 ist auf zwei voneinander beabstandeten Führungseinrichtungen 10, die hier als Laufschienen ausgebildet sind, in einer Spannrichtung der Schalungseinrichtungen 2 bewegbar. Weiterhin sind die Führungseinrichtungen 10 über den Trageinrichtungen 5 und parallel dazu angeordnet. Um die Batterieschalungen 1 kompakter zu gestalten, sind die Schalungseinrichtungen 2 an ihrem oberen Ende an den Trageinrichtungen 5 befestigt.The
An Stelle der bekannten Schalungseinrichtungen 2 der
In
In der rechten Stellung der
Wie in
Zum Herstellen und Trocknen eines Betonfertigteils kann daher folgendes Verfahren durchgeführt werden. Die Schalungseinrichtung 2 wird in der Batterieschalung 1 gemäß
In der gezeigten Ausführungsform weist die Spreizvorrichtung 18 eine Spannvorrichtung 30 auf, welche eine Feder aufweist. Die Spannvorrichtung 30 dient zum Vorspannen der Hebelelemente 20 in Richtung einer Ruheposition der Hebelelemente 20 vor dem Auseinanderspreizen der zweiten Endbereiche 15 der Schalungselemente 11. Damit kann das Aufrichten der Schalungselemente 11 beim Überführen von der liegenden Stellung in die stehende Stellung unterstützt werden. In der Ruheposition bilden die beiden stabförmigen Hebelelemente 20 ein V, wobei die Aufnahmemulden 25 an den Enden der Hebelelemente 20 angeordnet sind, die bei dem V oben angeordnet sind. Dabei schließen die beiden Hebelelemente 20 einen Winkel zwischen 15 und 25°, bevorzugt 20°, ein. Weiters weist die in
Mithilfe der in
Claims (13)
- Formwork device (2), in particular for arrangement between two partition walls (6) of a battery formwork (1), for producing construction elements, in particular precast concrete parts, comprising:two formwork elements (11), in particular formwork panels, each of which comprises a formwork front side (12) for being applied with concrete and a formwork rear side (13), the formwork elements (11) being pivotally connected to one another at first end regions (14) so that the formwork elements (11) can be transferred from a standing state into a lying state,a spreading apparatus (18) for spreading apart second end regions (15) of the formwork elements (11) opposite the first end regions (14) starting from the standing state of the formwork elements (11), characterised in that the spreading apparatus (18) comprises a force deflection device (19) which engages in each case at the second end regions (15) of the formwork elements (11) and converts a lowering of the formwork elements (11) into the spreading apart of the second end regions (15) of the formwork elements (11).
- Formwork device (2) according to claim 1, characterised in that the force deflection device (19) comprises two lever elements (20) which are connected to one another via a pivot bearing (21) having a pivot axis (22) which is preferably substantially stationary when the formwork elements (11) are spread apart.
- Formwork device (2) according to claim 2, characterised in that the pivot bearing (21) comprises a preferably substantially horizontal support surface (24) for resting on the substrate when lowering the formwork elements (11) with the spreading apparatus (18) attached thereto.
- Formwork device (2) according to either claim 2 or claim 3,
characterised in that the lever elements (20) comprise receiving recesses (25) for receiving corresponding guide elements, in particular guide bolts, at the second end regions (15) of the formwork elements (11). - Formwork device (2) according to any of claims 2 to 4,
characterised in that a tensioning apparatus (30), in particular a spring, is provided for pretensioning the lever elements (20) in the direction of a resting position of the lever elements (20) before the second end regions (15) of the formwork elements (11) are spread apart. - Formwork device (2) according to any of claims 2 to 5,
characterised in that a releasable locking apparatus (31) is provided for locking the pivoting of the lever elements (20) in their resting position. - Formwork device (2) according to any of claims 1 to 6,
characterised in that an opening device (26) is provided for transferring the formwork elements (11) from the spread-apart state of the second end regions (15) to the lying state of the formwork elements (11). - Formwork device (2) according to claim 7, characterised in that the opening device (26) comprises at least one guide path (27) for guiding support elements (28), in particular support rollers, at the second end regions (15) of the formwork elements (11).
- Formwork device (2) according to claim 8, characterised in that the at least one guide path (27) comprises at least one sloping transfer portion (29) for transferring the support elements (28), in particular support rollers.
- Battery formwork (1) comprising:two partition walls (6), anda formwork device (2) according to any of claims 1 to 9.
- Method for producing a precast concrete part, having the steps of:providing a battery formwork (1) according to claim 10,arranging the formwork elements (11) in a concreting position in an interior space between the two partition walls (6),casting the precast concrete part in the interior space,removing the formwork elements (11) with the precast concrete part from the interior space of the battery formwork (1),connecting the spreading apparatus (18) to the second end regions (15) of the formwork elements (11), andarranging the formwork elements (11) with the precast concrete part and the spreading apparatus (18) at the second end regions (15) of the formwork elements (11) in a drying position on a substrate outside the interior space of the battery formwork (1), wherein the second end regions (15) of the formwork elements (11) are spread apart by the spreading apparatus (18), wherein, during arrangement on the substrate, the lowering movement of the formwork elements (11) is converted into the spreading apart of the second end regions (15) of the formwork elements (11).
- Method for preparing the production of a precast concrete part, having the steps of:Providing a formwork device (2) according to any of claims 1 to 9,arranging the formwork elements (11) in the standing state above a substrate,arranging the spreading apparatus (18) on the substrate,lowering the formwork elements (11) onto the spreading apparatus (18) on the substrate,spreading apart the second end regions (15) of the formwork elements (11) by means of the spreading apparatus (18).
- Method according to claim 12, characterized by the further steps of:
moving the formwork elements (11) from the spread-apart state of the second end regions (15) into the lying state of the formwork elements (11) by means of an opening device (26).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP19206423.6A EP3815865A1 (en) | 2019-10-31 | 2019-10-31 | Formwork device |
PCT/EP2020/080487 WO2021084057A1 (en) | 2019-10-31 | 2020-10-30 | Formwork device |
Publications (2)
Publication Number | Publication Date |
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EP4051472A1 EP4051472A1 (en) | 2022-09-07 |
EP4051472B1 true EP4051472B1 (en) | 2023-12-27 |
Family
ID=68424754
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19206423.6A Withdrawn EP3815865A1 (en) | 2019-10-31 | 2019-10-31 | Formwork device |
EP20796835.5A Active EP4051472B1 (en) | 2019-10-31 | 2020-10-30 | Formwork device |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
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EP19206423.6A Withdrawn EP3815865A1 (en) | 2019-10-31 | 2019-10-31 | Formwork device |
Country Status (3)
Country | Link |
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US (1) | US20220396007A1 (en) |
EP (2) | EP3815865A1 (en) |
WO (1) | WO2021084057A1 (en) |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE218127C (en) * | 1906-11-27 | 1910-01-21 | Habay Paul | FORMING DEVICE FOR THE MANUFACTURE OF CONCRETE BEAM |
GB9422192D0 (en) * | 1994-11-03 | 1994-12-21 | Wiggs C C | Apparatus for forming malleable material |
DE102015209157B4 (en) | 2015-05-19 | 2017-03-23 | B.T. Innovation Gmbh | Formwork device and battery formwork with this formwork device |
DE102016205946A1 (en) | 2016-04-08 | 2017-10-12 | B.T. Innovation Gmbh | formwork device |
DE102017204413A1 (en) * | 2017-03-16 | 2018-09-20 | Doka NewCon GmbH | formwork |
-
2019
- 2019-10-31 EP EP19206423.6A patent/EP3815865A1/en not_active Withdrawn
-
2020
- 2020-10-30 WO PCT/EP2020/080487 patent/WO2021084057A1/en unknown
- 2020-10-30 US US17/755,312 patent/US20220396007A1/en active Pending
- 2020-10-30 EP EP20796835.5A patent/EP4051472B1/en active Active
Also Published As
Publication number | Publication date |
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EP4051472A1 (en) | 2022-09-07 |
US20220396007A1 (en) | 2022-12-15 |
EP3815865A1 (en) | 2021-05-05 |
WO2021084057A1 (en) | 2021-05-06 |
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