EP3173546B1 - Plateau de coffrage pour coffrages béton - Google Patents

Plateau de coffrage pour coffrages béton Download PDF

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Publication number
EP3173546B1
EP3173546B1 EP16205463.9A EP16205463A EP3173546B1 EP 3173546 B1 EP3173546 B1 EP 3173546B1 EP 16205463 A EP16205463 A EP 16205463A EP 3173546 B1 EP3173546 B1 EP 3173546B1
Authority
EP
European Patent Office
Prior art keywords
formwork
supporting structure
support structure
formwork skin
panel
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
Application number
EP16205463.9A
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German (de)
English (en)
Other versions
EP3173546A1 (fr
Inventor
Kai Hollmann
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.)
Polytech GmbH
Original Assignee
Polytech GmbH
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Filing date
Publication date
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Application filed by Polytech GmbH filed Critical Polytech GmbH
Priority to PL16205463T priority Critical patent/PL3173546T3/pl
Publication of EP3173546A1 publication Critical patent/EP3173546A1/fr
Application granted granted Critical
Publication of EP3173546B1 publication Critical patent/EP3173546B1/fr
Priority to HRP20191035TT priority patent/HRP20191035T1/hr
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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
    • E04G11/06—Forms, shutterings, or falsework for making walls, floors, ceilings, or roofs for walls, e.g. curved end panels for wall shutterings; filler elements for wall shutterings; shutterings for vertical ducts
    • E04G11/08—Forms, which are completely dismantled after setting of the concrete and re-built for next pouring
    • 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
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
    • E04G17/001—Corner fastening or connecting means for forming or stiffening elements
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G17/00—Connecting or other auxiliary members for forms, falsework structures, or shutterings
    • E04G17/02—Connecting or fastening means for non-metallic forming or stiffening elements
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
    • E04G21/04—Devices for both conveying and distributing
    • E04G21/0418—Devices for both conveying and distributing with distribution hose
    • E04G21/0445—Devices for both conveying and distributing with distribution hose with booms
    • E04G21/0463—Devices for both conveying and distributing with distribution hose with booms with boom control mechanisms, e.g. to automate concrete distribution
    • 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
    • E04G9/00—Forming or shuttering elements for general use
    • E04G9/02—Forming boards or similar elements
    • E04G9/05—Forming boards or similar elements the form surface being of plastics
    • 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
    • E04G9/00—Forming or shuttering elements for general use
    • E04G9/02—Forming boards or similar elements
    • E04G2009/028—Forming boards or similar elements with reinforcing ribs on the underside

Definitions

  • the support structure may be a uniform plastic molded part.
  • the single or the respective formwork skin element may be a uniform plastic molded part.
  • the above-mentioned wall openings can be used well for reaching in handling the formwork panel and for connecting adjacent formwork panels.
  • Formwork panels for concreting formwork are known in many designs.
  • Monolithic formwork panels are uniform structures made of the same material throughout. For example, monolithic formwork panels made of aluminum, monolithic plastic formwork panels, and monolithic formwork panels made of a welded steel construction are known.
  • Composite formwork panels usually consist of a support grid (frame) and a formwork skin, which is attached to one side of the support grid on this.
  • the support grate is the main component of the formwork panel, with support grids being made of wooden girders, steel girders or aluminum girders.
  • the formlining is usually short-lived as the support grid and is replaced in particular due to wear, damage or fatigue after a certain number of applications of the formwork panel. Common is the attachment of the formwork to the support grid by means of screws or rivets.
  • the formwork skin is usually made of multi-layer plywood; But one also knows Schalphase that are designed as composite construction plywood layers / plastic layer or aluminum layer / plastic layers or glass fiber mats / plastic layers.
  • US 4 150 808 A discloses a formwork panel for concreting formworks comprising a plastic support structure and a releasably connected plastic formwork.
  • a formwork panel for concreting formworks comprising a plastic support structure and a releasably connected plastic formwork.
  • peripheral walls of the support structure which are not double walls, circular wall openings are present.
  • KR 2004 0021388 A discloses a formwork panel for concreting formwork which, when combined, has a support structure and a formwork skin. Both the support structure and the formwork are designed as plastic / metal composite parts. In the edge walls of the support structure elongated hole-shaped wall openings are present, the longitudinal direction is perpendicular to the formwork front, wherein in the respective edge wall, the central metal insert is not covered at the locations of the wall openings of plastic.
  • DE 10 2011 016120 A1 discloses a formwork panel for concreting formworks comprising a support structure of metal hollow sections and a plastic formwork connected thereto. There are no wall openings in the edge hollow sections of the support structure.
  • EP 1 538 277 A2 discloses a formwork panel for concreting formations, which is designed as a formwork with integrally formed on its back, strong ribs.
  • the ribs are consistently designed as double walls, wherein the distance space between the two walls of the double wall is not closed at the rear end by one or more material areas.
  • edge ribs passing through wall openings are present, which are circular in the central region, each with a wegholdden, narrower Nutaus originallyung left and right.
  • the wall openings are each surrounded by an opening peripheral wall.
  • both the support structure consisting essentially of plastic and the single formwork skin element or the plurality of formwork skin elements are each essentially made of plastic.
  • the support structure may consist entirely of plastic.
  • the only formwork skin element or the plurality of formwork skin elements can each consist entirely of plastic.
  • fiber reinforced plastic with "short fibers", i. H. in the terminology of this application fibers having an average length equal to or less than 1 mm, or "long fibers", d. H. in the term of this application fibers with an average length of more than 1 mm (fibers with an average length of several millimeters are quite possible) can be worked.
  • plastic which is made by means of "short fibers” and / or mineral particles, e.g. Calcium carbonate, talc, or other known particles. Both in the support structure and in the formwork can also be used with other reinforcing agents.
  • releasable used in the first paragraph of the description (one could alternatively also define as “removable") means that a connection type is used which makes it possible to remove the single formwork skin element or the several formwork skin elements from the support structure in each case. Preferably, the removal should be possible with little effort. Preferably, the freed from the formwork support structure should continue to be used by attaching a new single formwork element or several new formwork skin elements to her. The only formwork skin element removed from the support structure or the several formwork skin elements removed from the support structure can each be easily recycled, since they are at least essentially of the same material.
  • the formwork panel according to the invention may be designed such that the front of the formwork skin, i. the shell skin surface coming into contact with the mushy concrete during use of the formwork panel is free from the presence of formwork panel constituents which are related to the bonding of the formwork liner to the support structure.
  • the front of the formwork skin i. the shell skin surface coming into contact with the mushy concrete during use of the formwork panel
  • formwork panel constituents which are related to the bonding of the formwork liner to the support structure.
  • the connectedness of the formwork with the support structure is favorably only at the back of the formwork. If you z. B. screws used to connect the formwork skin with the support structure, it is good to make the training so that the screws are screwed from the back of the panel.
  • substantially plastic used in the first paragraph of the description in three places has been chosen to avoid the risk of the very subordinate use of other materials - e.g., in terms of the total volume of the supporting structure or formwork. embedded in the plastic metal pins or metallic reinforcing corners, could cause such formwork panels fall outside the scope of claim 1.
  • the formwork of a formwork panel is subject to aging. There is wear during the pouring or pouring of concrete slurry and when stripping the solidified concrete; there is a certain fatigue of the material due to the changing load (load by the concrete pressure / discharge during stripping); and during transport to the construction site, during transport on the construction site, during handling, etc. it comes from experience again and again to damage. Therefore, the formwork has to be replaced after a certain number of application of the formwork panel, and due to the inventive construction of the formwork panel this is particularly easily possible.
  • plastic molding processes can be used in the production of the support structure and / or the formwork elements.
  • plastic die casting compression molding
  • introduction of plastic granules or plate-like precursors or so-called preforms into a split mold heating the mold to melt the plastic or for thermal curing of the plastic, cooling the mold for setting thermoplastic
  • thermoforming a sheet or sheet of thermoplastic is heated and pressed into a cooled mold or vacuumed
  • the support structure is a component with a comparatively complicated shape. It is particularly favorable to carry out the support structure as - essentially or wholly - an integral injection-molded component made of plastic.
  • the exemplary embodiments described below will make it even clearer that, especially with an injection-molded component, it is possible to achieve a shape of the support structure which is favorable for the load acceptance, the durability and for the appearance of the support structure. It is expressly pointed out that it is detectable on the finished component, if it is an injection-molded component, in particular on the relatively small wall thickness, the relatively small radii, the finely modeled shape, the sprues, etc.
  • the support structure may be an injection molded component, from which Shape one can conclude that it has actually been molded by injection molding.
  • the support structure is-substantially or wholly-an integral die-cast component made of plastic.
  • the support structure may be a die-cast component which may be inferred to be molded by plastic die casting.
  • At least one formwork skin element is present which is-substantially or wholly-an integral injection-molded plastic component.
  • This formwork skin element may be a component in which one can deduce from the shape that it has been produced by injection molding.
  • the formwork skin element or the formwork skin elements are components which generally have a less complicated shape than the supporting structure.
  • At least one formwork skin element is present, which is - substantially or wholly - an integral die-cast component made of plastic.
  • This formwork skin element may be a component in which the Shape can be concluded that it has been produced by die-casting of plastic.
  • the relevant formwork skin element is substantially plate-like with molded extensions for specific purposes, as will be explained in more detail below, but may have their own stiffening ribs to reduce local formwork deflection.
  • the support structure is designed substantially as a grid.
  • a grate formation creates optimal conditions for supporting the formwork in relatively small "support distances" by the support structure, so that the formwork can still be dimensioned relatively thin while still sufficient load capacity.
  • the support distances are everywhere less than 25 cm, more preferably less than 20 cm, and more preferably less than 15 cm.
  • the walls i. four edge walls and a significant number of partitions, at least in part (conveniently all) designed as double walls.
  • the mentioned connectedness of the two partial walls can be designed such that, apart from the channels below to be described perpendicular to the panel front, respectively, the distance spaces between the two part walls are closed at the Schafelschseite continuously through the material areas to the outside.
  • connection bridges provide both at the front and at the back of the support structure.
  • the support structure is not formed substantially as a grid, so the training essentially as a grid by means of one hereby expressly disclosed Disclaimers is excluded.
  • the formwork skin ie, the single formwork shell element or the plurality of formwork skin elements respectively
  • the support structure By means of screws and / or rivets and / or clip connections and / or molten extensions of integrally formed connecting pins and / or releasable adhesive bond (s).
  • clip connections includes in particular compounds with resilient tongues, of which areas engage behind counter-elements, in the jargon also called Snap-Fit, as well as compounds with everted areas (low: only slightly everted), in invaginated counter areas (low: only slightly inverted) sitting pressed down; see also the embodiments.
  • Snap-Fit compounds with resilient tongues, of which areas engage behind counter-elements, in the jargon also called Snap-Fit, as well as compounds with everted areas (low: only slightly everted), in invaginated counter areas (low: only slightly inverted) sitting pressed down; see also the embodiments.
  • One of ordinary skill in the art knows how to connect two plastic parts together by means of a re
  • At least one formwork skin element has at least one or more integrally formed extensions which have or have a function in the transmission of any tensile forces between the support structure and the relevant formwork skin element (and vice versa, of course).
  • the formwork panel according to the invention is meant by tensile forces such forces acting at right angles to the formwork front.
  • the tensile forces occur, in particular, when pulling the formwork panel away from the hardened concrete of a manufactured concrete product.
  • the mentioned tensile forces can also be force components of forces that have a different direction altogether.
  • the extension (or the extensions) may in particular be an extension for screwing in a screw.
  • the extension (or the extensions) may in particular be an extension for a previously mentioned "everted region sitting in a recessed region" connection.
  • the female / male engagement may each be formed by one or more extensions formed on this formwork skin element which engage with a receptacle formed in the support structure. It is good if the relevant extension sits substantially laterally-free play in the recording.
  • a favorable possibility of realizing the positive female / male engagement is that of the formwork facing end of at least one wall, better several walls or all walls, which has the support structure, continuously or partially provided with a sequence of extensions and recordings, eg in the manner of a toothing on a rack.
  • at the rear of the formwork skin at least partial sequences of extensions and receptacles are provided in those areas where end regions of the support structure walls are in engagement with the formwork skin, e.g. on the type of toothing on a rack.
  • extensions of the relevant wall of the support structure engage in receptacles of the formwork skin, and grasp extensions of the formwork skin in receptacles of the respective wall of the support structure in the manner of a mutually complementary engagement.
  • the shear strength of the engagement between the support structure and the facing is not limited to only one direction (from the many possible directions parallel to the facing surface).
  • the walls may be double walls, in particular as described above, but may also be differently shaped walls, in particular as described above.
  • extension / receiving engagement in the formwork element mentioned in the two preceding paragraphs and if at least a part number of these engagement projections at the same time is an extension or extensions are, the or which also has a function in the transmission of any tensile forces between the support structure and the relevant formwork skin element or have.
  • extension or extensions so the function of the tensile strength facing element / support structure attachment and the function of the immediate thrust transfer are present at the same place, which also improves the material balance.
  • the plastic of the support structure has a higher strength than the plastic of the single formwork skin element or the plastic or the plastics of the plurality of formwork skin elements.
  • the support structure may be designed to provide most of the overall strength of the formwork panel in the formwork panel, whereas the formwork panel provides only a minor portion of the total strength. In this case, one can afford to let the at least one formwork element consist of a plastic of lesser strength.
  • the plastic of the support structure is conveniently seen before a fiber-reinforced plastic, with particularly favorable possibility glass fibers or carbon fibers and being not only short fibers (less than / equal to 1 mm in length) but also longer fibers z. B. come with a length of several millimeters into consideration.
  • a fiber reinforcement with comparatively short fibers or a reinforcement with particles, in particular mineral particles such as calcium carbonate particles and talcum particles.
  • maximum strength is not the main focus of the invention, but rather good surface quality for good concrete surfaces, good recyclability and favorable price.
  • the plastic of at least one formwork skin element is selected such that the formwork skin element can be nailed.
  • formwork panels you have quite often the situation that z.
  • block-like parts or bar-like parts which then recesses or openings, which are also called recesses, molding in concrete
  • Abschalwinkel to form an end edge of the concrete product, which is also called shuttering or Stirnabschalung
  • the nailability mentioned at the beginning of the paragraph can be defined as the ability to hammer in a nail with a diameter of 3 mm without the formation of visible cracks around the point of impact.
  • the said wall openings and their surroundings can be designed such that at these points favorable mechanical coupling elements for coupling adjacent formwork panels can be connected and / or formwork accessories, such as directional supports or formwork brackets, can be connected.
  • formwork accessories such as directional supports or formwork brackets
  • the formwork panel in plan view has an area of at least 0.8 m 2 , preferably of at least 1.0 m 2 .
  • the construction according to the invention makes it possible to provide formwork panels of this size well in concrete pressure absorption capacity of up to 40 kN / m 2 , or also up to 50 kN / m 2 , or even up to 60 kN / m 2 , without being too large Druckafel mitbiegonne or too much material use and thus to have high weight.
  • plastics for the support structure and / or the formwork elements can be conveniently used thermoplastic materials, but also the use of thermosetting plastics is possible.
  • the term "at least one formwork skin element” has been used in several places. This is in the case of a formwork skin of a single formwork element this sole formwork element meant, whereas in the case that the formwork skin is formed of a plurality of formwork elements is to be said that at least one of these several formwork skin elements is formed as indicated. It is particularly favorable, however, if in each case several or all existing formwork skin elements of the formwork panel are formed accordingly. This applies individually to each of the places where the expression "at least one formwork element" is used. Overall, the case that the formwork is made of a single formwork element, the cheapest.
  • formwork panel in this application also includes formwork for columns.
  • Another object of the invention is a concreting wall formwork having a plurality of coupled, inventive formwork panels.
  • "Coupled” means “horizontally adjacent to one another at the relevant coupling site” and / or “adjoining one another at the relevant coupling site in the vertical direction”.
  • the coupling elements may each have a shape that is similar to a doorknob with integrally molded shaft portion. On the shaft area, two flanges can be provided.
  • the coupling elements may be configured to be brought into coupling engagement or out of coupling engagement by pivotal movement about the central axis of the shaft region.
  • the coupling elements may have one or more more specific features that can be determined from the FIGS. 33 to 35 to be discribed. Along the zone in which two adjacent formwork panels are in contact with each other, a coupling element or a plurality of coupling elements can be used.
  • posts may be provided at corners of the wall to be produced, with which formwork panels are coupled "over the corner". This applies both inside and outside on the wall corner or pillar corner to be produced.
  • the post concerned may in particular have a rectangular (longer than wide) or square horizontal cross section.
  • Another object of the invention is a concrete slab formwork in which a plurality of formwork panels according to the invention to form a larger slab formwork surface in spatial proximity on a support structure (which may also be a conventionally formed support structure) are supported.
  • the support structure may be formed so that the respective formwork panels are each supported on at least one Deckenschalungsstüzte and / or at least one Schafel carrier, which Schiefer carrier is in turn supported on slab formwork supports and / or main slab formwork supports, which main slab formwork support in turn on Deckenschalungsstüzten are supported.
  • the single formwork skin element has or have several integrally formed extensions on its rear side or the plurality of formwork skin elements, wherein screws are screwed into at least a part number of the extensions from the rear side of the support structure.
  • the screws can be self-tapping screws.
  • chalkboard will be used instead of “chalkboard for concreting sheathing”. All drawn and described formwork panels are designed by their dimensions and their load-bearing capacity so that they can withstand the stresses that are given when used in concreting shingles.
  • Panel 2 shown is composed of two components, namely a support structure 4 and a formwork skin 6, which is here formed by a single formwork skin element 8. Both the support structure 4 and the formwork skin element 8 consist entirely of plastic here.
  • the formwork panel has the shape or geometry of a cuboid, measured at right angles to the plane of FIG Fig. 1 visible Schalhautvorderseite 10, which is also Schafelvorderseite 10 - a much smaller dimension or thickness d has as its length dimension l and its width dimension b. In the illustrated embodiment is z. As the length l 135 cm, the width b 90 cm, and the thickness d 10 cm.
  • the support structure 4 has the shape of a grid.
  • Each of the two longitudinal edges has the shape of a double-walled wall 12, and each of the two transverse edges has the shape of a double-walled wall 14.
  • the clear distances between the longitudinal intermediate walls 16 and between the respective "Last" longitudinal intermediate wall 16 and the respective longitudinal edge wall 12 are all equal to each other.
  • the clearances between the transverse partitions 18 and between the respective "last" transverse partition 18 and the respective transverse edge wall 14 are all equal to each other and moreover equal to the previously described distance between the various longitudinal walls 12, 16.
  • Between the various walls 12, 14, 16, 18 is thus a matrix-like or checkered arrangement of - in plan view of the front ( Fig. 3 ) or on the back ( Fig. 4 ) - each substantially square openings 20 are formed, which are open both to the front 22 of the support structure 4 out and the back 24 of the support structure 4, but in a slightly different size, as will be described in more detail below.
  • nine openings 20 are provided in series in the longitudinal direction I of the support structure 4, in the transverse direction b six openings 20 in series.
  • each clear opening 20 about 10 x 10 cm in size.
  • the flanges 28 bring additional plastic material in the vicinity of the front side 22;
  • the support surface for the formwork skin 6 is increased and the clear distances between the supports for the formwork skin element 8 are reduced.
  • the clear cross section at the front side 22 is smaller than at the rear side 24, where it is about 12 x 12 cm in size.
  • the longitudinal edge walls 12 and the transverse edge walls 14 have in each case at those locations where the inside of the longitudinal wall 12 and 14, an opening 20 is an oval, oblong-shaped, the respective edge wall 12 and 14 crossing wall opening 30th
  • the openings 30 respectively pass through the edge wall 12 or 14 completely (ie pass through both partial walls of the double-wall structure). and are surrounded by an opening peripheral wall 32.
  • the outer surface ie, facing away from the center of the support structure 4) is set back a small distance from the outer contour of the support structure 4.
  • the outer contour on the rear side 24 is a slightly larger rectangle than the rectangle line along said outer surfaces of the edge walls 12 and 14.
  • a channel 34 round cross-section is present, with respect to the adjacent three or four , formed by the double wall structure spaces 36 is delimited by walls 38.
  • the channels 34 each pass from the front side 22 to the rear side 24.
  • the formwork skin element 8 has the shape of a plate with rear extensions 40.
  • circular openings 42 which are located in the vicinity of the longitudinal edges of the formwork skin element 8, will be discussed in more detail below.
  • the projections 40 are each present at an intersection between partition walls 16 and 18 and at a T-position between an edge wall 12 and 14 and an intermediate wall 16 and 18, except those locations where the four openings 42 are present.
  • the extensions 40 are thus arranged in the pattern of a matrix or in a checkerboard pattern.
  • each extension 40 enters the front end region of a channel 34 Fig. 7 it can be seen that each respective channel 34 in its front side 22 of the support structure 4 adjacent end portion has a reduced circular cross-section, so that in the direction of the back 24 of the support structure 4 directed toward a shoulder 44 is formed. Further one sees in Fig. 7 and 8th in that each extension 40 is subdivided by corresponding slots 46 running in its longitudinal direction into four tongues 48 distributed over the extension circumference.
  • each of the tongues 48 has in the middle region of their length on the outside each a shoulder 50 which extends part-circularly over a little less than 90 ° and in the assembled state of support structure 4 and formwork element 8 behind the relevant shoulder 44 of the channel 34 and the support structure 4 is locked to the outside.
  • each of the extensions 40 At its center, ie, inside between the four tongues 48, each of the extensions 40 has an axially extending cavity 52 which ends approximately at the level of the plate rear side 54 of the formwork element 8.
  • each of the tongues 48 is beveled in its rear side 24 of the support structure 4 facing end portion on its outside, see reference numeral 56.
  • the extensions 40 for assembling support structure 4 and formwork element 8 respectively in the end smaller Cross section of a channel 34 are introduced. Due to the inclined surfaces 56, the tongues 48 are elastically compressed slightly to the extension center axis, and the respective extension 40 passes ever further into the respective channel 34 until - by elastic springing back the tongues 48 to the outside - the shoulders 50 of the respective extension 40th snap behind the shoulder 44 of the respective channel 34.
  • each extension 40 By the described engagement of each extension 40 with the shoulder 44 of a channel 34, a connection between the support structure 4 and the formwork element 8 is provided which holds the support structure 4 and the formwork element 8 against the action of tensile forces in the longitudinal direction of the channels 34 or - in other words - act at right angles to the panel front 10.
  • the formwork skin element 8 in each case has a circular opening 42 at two locations near one longitudinal edge and at two locations near the other longitudinal edge.
  • Each of the openings 42 is located at a location where a channel 34 is positioned in the support structure 4.
  • four points are formed, at which one each has a so-called clamping anchor (which is in the interest here, the central region of the clamping anchor essentially a rod) through the complete formwork panel 2, ie support structure 4 and formwork skin element 8 push through and can push through a parallel with distance set up board 2 completely.
  • Such tension anchors are particularly useful in concreting wall formwork where formwork panels are spaced apart to produce a concrete wall by pouring the clearance space with concrete.
  • the attachment of the formwork skin element 8 to the support structure 4 is releasable. It is only necessary to compress the tongues 48 of the extensions radially in order to be able to then remove the formwork skin element 8 from the support structure 4.
  • An alternative possibility is the execution of a rotational movement of the formwork skin element 8 relative to the support structure 4, which destroys the attachment.
  • the plate-like portion 9 of the formwork skin element 8 ie the formwork skin element 8 without the extensions 40, on all four edges at the rear has a thicker in the direction of the shell skin thickness d edge strip 11 which there the resilience and wear resistance of the formwork skin element 8 and increases the tightness of the panel 2 to adjacent formwork panels 2.
  • the "plate thickness" of the plastic is 5 mm.
  • the channels 34 used for detachably connecting or fastening the support structure 4 and the formwork skin element 8 do not have a reduced cross-section in the end region adjacent the front side 22 of the support structure 4, but in the rear side 24 of the support structure 4 End portion of a hollow, in cross section round neck 60, which has a smaller cross-section than the remaining channel 34 both on the inner circumference and on the outer circumference.
  • the projections 40 now each have a cross section, which can be described as a hollow cylindrical, central neck 62 with four radially extending, arranged at 90 ° angle spacing ribs 64.
  • Each extension 40 protrudes for a length from the plate rear side 54 of the formwork element 8, which corresponds approximately to one third of the thickness of the support structure 4.
  • the four ribs 64 have a dimension such that the rib ends go straight into the four inner corners 66 of the respective channel 34.
  • each of the integrally formed extensions 40 and thus the entirety of the extensions 40, by cooperation with the respective channels 34 by means of female / male interventions, provides a bond between the support structure 4 and the formwork element 8 which can transmit thrust forces acting in parallel with the formwork front 10.
  • the second embodiment tends to be more efficient to produce than the first embodiment and allows slightly greater dimensional tolerances between the support structure 4 and the formwork skin element 8. It is emphasized that not every one of the channels 34 requires a screw 70 to be installed. For the strength of the connection, it is sufficient if only a part of the channels 34, a screw 70 is screwed becomes.
  • the extensions 40 can be designed to be more stable in bending than in the first embodiment.
  • channels 34a and formwork skin openings 42 for tie rods.
  • an extension 40b which, compared with a "normal extension" 40a on the longitudinal edge of the formwork element 8, is displaced somewhat to the longitudinal center line of the formwork element 8.
  • channels 34b there are correspondingly slightly offset channels 34b in the support structure 4.
  • the channels 34 in the support structure 4 have a circular cross-section and neither a cross-sectional reduction in the end adjacent the support structure front side 22 nor a cross-sectional reduction in the end adjacent the support structure rear side 24.
  • the formwork element extensions 40 here have the shape of a central hollow stub 62 with z. B. eight circumferentially distributed ribs 64 which are significantly shorter in the radial direction than in the second embodiment. As in the second embodiment, a self-tapping screw 70 is screwed into an extension 40 at the points where this is deemed necessary.
  • the fourth embodiment differs from the previous embodiments substantially in the manner of connection or attachment of support structure 4 and formwork element 8. The following description focuses on the description of these differences.
  • each of the extensions 40 has on its outer periphery - lying in a first plane - on its outer side a first, interrupted, series of circumferentially extending everted portions 80. In a second plane which is axially spaced from the first plane is a second, interrupted row of everted portions 80 on the outer circumference.
  • the number of circumferential rows may alternatively be less than or greater than two.
  • invaginated areas 82 On the inner circumference of the respective, associated channels 34 of the support structure 4 are invaginated areas 82, also in circumferentially interrupted areas in two levels or more levels or less levels available.
  • the everted portions 80 and the invaginated portions 82 are positioned so that upon assembly of support structure 4 and formwork element 8 with slight elastic deformation of extensions 40 and / or channel walls, the everted portions 80 in the invaginated counter areas 82 come and there to apply a considerable Release force or extraction force firmly. Between each extension 40 and each associated channel 34 thus a female / male engagement is generated.
  • Such slightly everted areas 80 and such slightly inverted counter areas 82 can be formed in the molding of the support structure 4 and the formwork element 8 in particular by plastic injection molding or by plastic die-casting, without that one would have to use slide in the manufacturing form, which transversely to the main extension plane of support structure 4 or Schalhautelement 8 move. Rather, the manufacturing mold at the locations where everted areas 80 are to be formed simply have corresponding recesses. The produced plywood element can be ejected from the mold cavity with elastic deformation, in particular while the molding product is still warm. Conversely, in forming the support structure 4, the manufacturing mold has corresponding bulges at the locations where the invaginated areas 82 are to be formed. For the ejection from the production form, the statements made for the formwork skin element 8 apply accordingly. Alternatively, the projections 40 can be equipped with recessed areas and the channels 34 with everted areas.
  • the extensions 40 take in the illustrated embodiment about a quarter of the length of the channels 34 a.
  • the channels 34 may be closed at its end adjacent the support structure back 24 (see the left channel 34 in FIG Fig. 23 ) or be open (see the right channel 34 in FIG Fig. 23 ).
  • Hohle circular shape and hollow square shape of the extensions 40 are practical, but can also be replaced by other cross-sectional shapes. Drawing the case of two different geometries of the extensions 40 drawn. All geometries can be the same or more than two different geometries can be realized.
  • the fifth embodiment differs from the previous embodiments substantially only by the manner of connection of the support structure 4 and the skin element 8.
  • the following description of the fifth embodiment will focus on the description of the differences from the previous embodiments.
  • Fig. 24 and 25 sees particularly quickly, has the formwork skin element 8 extensions 40, which like the extensions in the second embodiment (see in particular Fig. 11 and 13 ) are formed, but without a central, axially extending cavity. Also, no screws are provided which are screwed into the extensions 40 from the support structure rear side 24.
  • the extensions 40 cooperating with the corresponding channels 34 (female / male engagement respectively), thus assume only the task of mutual positional fixing of the support structure 4 and the formwork skin element 8 as well as the transmission of the above-mentioned shear forces.
  • plate-like extensions 84 are integrally formed on the formwork skin element 8 at the rear.
  • two extensions 84 or three extensions 84 have been provided in the case of the edge adjacent openings 20 in this embodiment.
  • Fig. 27 it can be seen that the openings 20 in those areas near the support structure front, where projections 84 "come in” during the assembly of the support structure 4 and the formwork element 8, have molded-on projections 86 projecting towards the center of the relevant opening 20.
  • the projections 86 each have a shoulder 88 on their side facing the support structure rear side 24.
  • the extensions 84 each have, at their end remote from the plate rear side 54 of the facing element 8, two projections 90 pointing away from the center of the relevant opening 20.
  • the projections 90 are each bevelled on their side facing away from the center of the relevant opening 20 (see reference numeral 92) and have a shoulder 94 on their end facing the back of the plate 54.
  • the extensions 84 When pushing together the formwork skin element 8 and supporting structure 4, the extensions 84 are elastically bent inwards, ie toward the center of the corresponding opening 20, due to the interaction of the inclined surfaces 92 with the inner sides of the projections 86. As soon as the formwork skin element 8 is compressed in its entirety with the support structure 4, the extensions 84 snap outward, the shoulders 94 of the extensions 84 now bearing against the shoulders 88 of the projections 86.
  • the extensions 84 essentially assume no fixing function of the formwork skin element 8 relative to the support structure 4 in directions parallel to the formwork front side 10 and also no function in the assumption of the abovementioned thrust forces. Note that in Fig. 27 aware of a little game - measured horizontally in Fig. 27 - Has been drawn between the respective projection 86 of the support structure 4 and the relevant extension 84.
  • Fig. 29 illustrates that you can connect the support structure 4 and the formwork skin element 8 by gluing together or attach to each other, instead of using the previously described connection types.
  • a thin adhesive strip 96 Between the flanges 28 of the respective double wall structure with a hat-shaped cross section of the intermediate walls 16 and 18 on the one hand and the plate rear side 54 of the formwork skin element eighth On the other hand, there is in each case a thin adhesive strip 96.
  • Adhesive strips 96 need not be provided at all locations where flanges 28 and plate rear side 54 meet, and not in full possible length. The extent of providing adhesive strip 96 depends on which total adhesive area is required to ensure the desired bond strength.
  • connection described by gluing is solvable, if one selects a suitable, familiar to the expert and available on the market adhesive, the z. B. can be solved by a selective solvent.
  • Fig. 30 illustrates two other possible ways in which the releasable connection or the releasable mutual fastening of support structure 4 and formwork element 8 can accomplish according to the invention.
  • the first of the two possibilities is the molding of relatively short, pin-shaped projections 40 on the plate rear side 54 of the formwork skin element 8, z. B. in each case a pin-shaped extension 40 (or several pin-shaped extensions 40) in the region of each intersection or a part number of intersections between partitions 16 and 18 and in the region of each T-spot or a part number of T-sites between partitions 16 and 18 and an edge wall 12 and 14.
  • a hole in the support structure 4 is provided in each case, for. B. at a corner transition of two flanges 28, as in Fig. 30 drawn.
  • the pin-shaped extension 40 is initially so long that it protrudes a piece when joining formwork skin element 8 and support structure 4 from the mentioned hole.
  • the outstanding end can be z.
  • To release the connection between the formwork skin element 8 and support structure 4 can be z.
  • each provides a rivet.
  • the rivet head formed in the production of the riveted joint for. B. as in, as in Fig. 30 drawn with reference numeral 98.
  • the rivet head must be removed, eg. B. by cutting off with a suitable pliers.
  • Suitable plastics from which the supporting structure 4 and the formwork skin 6 can be made are known to the person skilled in the art and are available on the market.
  • Suitable base plastics include polyethylene (PE), polypropylene (PP) and polyamide (PA).
  • the support structure 4, which carries a large part of the load on the formwork panel 2 may consist in particular of fiber-reinforced plastic, glass fibers and carbon fibers being mentioned as favorable examples. It is quite possible to use relatively long fibers (length over 1 mm up to a few centimeters).
  • the plastic of the support structure 4 has a greater strength than the plastic of the formwork skin element 8, which is nagelbar.
  • a length I of 135 cm, a width b of 90 cm, a thickness d of 10 cm, the thickness of the plate-like portion of the skin member 8 being 5 mm have been exemplified.
  • This exemplary dimension specification is also valid for all other embodiments. It is expressly understood, however, that according to the teachings of the invention trained formwork panels 2 may have even larger or even smaller formats. If you want to provide significantly larger formats, however, the required material usage increases disproportionately, so that you are too uneconomical and no longer hand-to-hand Shuttering boards is coming. On the other hand, if you go to much smaller formats, the construction and dismantling of concreting formations becomes more complex; In addition, the number of joints increases between adjacent formwork panels, which joints you may see molded in the finished concrete product.
  • the respective support structure 4 and the respective formwork skin element 8 are each an integral injection-molded component made of plastic or in each case an integral die-cast component made of plastic, d. H.
  • Support structure 4 and formwork skin element 8 each have a shape which allows the production by plastic injection molding or by plastic die casting.
  • the openings 20 including inner sides of the flanges 28, the rear halves of the edge double walls 12 and 14 to the openings 30, and the back surfaces of the between double-walls 16 and 18 at the back closing material portions 26 are formed by portions of the manufacturing mold from the back of the support structure 4 ago.
  • the interspaces of the intermediate double walls 16 and 18 and the interstices of the edge walls 12 and 14 up to the openings 30 can be formed by regions of the manufacturing mold from the front side of the support structure 4 ago.
  • the channels 34 it depends on the channel shape whether to be formed entirely from the rear side of the support structure 4 (for example, in the first embodiment, see FIG Fig.
  • support structure 4 and formwork element 8 have a so-called Auszugsschrägung of typically 0.5 to 2 degrees, so that the halves of the manufacturing mold easily opened, the slides of the manufacturing mold are easily pulled out, and the plastic product easily from the manufacturing mold can be ejected.
  • plastic injection molding for the manufacturability of the support structure 4 by plastic die casting apply correspondingly.
  • the most important difference between plastic injection molding and plastic die casting is indeed in the molding of thermoplastics in that the plastic is injected liquid under pressure in the former case, whereas in the latter case the plastic is introduced in the form of solid granules in the mold cavity and is melted under pressure.
  • the back side 54 of the plate-like region 9 of the formwork element 8 is a good position for the parting plane of the manufacturing mold, so that the extensions 40 with Help of open spaces in which a mold half can be shaped. This is particularly easy in the second, third, and fourth embodiment. In the first and fifth embodiments, one must use pushers to form the "barbs" on the extensions 40.
  • the formwork front side 10 and thus the entire panel front is free of components that have to do with the means for connecting or attaching support structure 4 and formwork element 8.
  • the formwork skin front side 10, except for the openings 42 is continuous (in the sense that the term "even” is commonly used in formwork skins, which does not mean a plane which is geometrically level in the strict sense of the word), so that on the Surface of the concrete product to be produced signifies nothing else than the undisturbed surface of the formwork skin 6 and at most certain markings at the locations where joints between adjacent Schalphaseuten 6 were.
  • openings are drawn, which extend at right angles to the formwork front side 10, extend through the double wall structure of the edge walls 12 and 14 and in the support structure rear side 24 adjacent end portion have a shape that one may be referred to as circular with two diametrical, substantially rectangular extensions (see particularly clearly Fig. 18 , top right; Fig. 23 ).
  • This form of opening end portions has nothing to do with claim features in this application.
  • a section of a concreting wall formwork 100 is shown, which is constructed with formwork panels 2 according to the invention. Specifically, a wall formwork is drawn for a wall going around a 90 ° corner.
  • wall formworks for straight walls, for columns, for T-shaped walls opening into one another, etc. can be created in a corresponding manner, the principles described below finding appropriate application in all these cases.
  • Fig. 31 are all the formwork panels 2 "vertically aligned", ie their longitudinal direction I is vertical and their width direction b and transverse direction is horizontal.
  • the formwork front 10 extends vertically in all formwork panels 2. It can be partially or everywhere with “horizontally oriented” formwork panels 2, ie longitudinal direction I is horizontal and transverse direction b is vertical, working.
  • Two of the full width b visible formwork panels 2 have the dimensions, as well as the formwork panels of all embodiments according to Fig. 1 to 30 ie, eight transverse baffles 18 and five longitudinal baffles 16, nine in number 20 in series as one progresses in the longitudinal direction and six in diameter 20 in series as one progresses in the transverse direction.
  • its width b is one third of the width of the "full-form panels 2", ie, one has only two openings 20 in series, as one proceeds in the transverse direction.
  • the length l of the last-described formwork panels 2 is equal to the length I of the full formwork panels 2.
  • the wall formwork thus has a height of 270 cm, which is a fairly common room height of concrete floor to underside of the ceiling in housing.
  • the Fig. 31 one sees that and how each adjacent formwork panels 2 or the last formwork panel 2 is coupled to the post 108. If you go down in the fourth outer opening 20 at the last outer corner panel 2a on the left vertical edge, you can see a part of a coupling element 110. On the right vertical edge of the same panel 2a can be seen four coupling elements 110 of the same type. Also in the left third, above, the Fig. 31 one sees a coupling element 110 of the same type. Coupling elements 110 of this type will be described below with reference to FIGS FIGS. 33 to 35 described in more detail.
  • Fig. 31 it can further be seen that and how two vertically adjacent shuttering panels 2 can be coupled together by coupling elements 110 of the same type by engaging the respective coupling element 110 through a pair of openings 30 in transverse edge walls 14 of two formwork panels 2.
  • tension anchors 112 (as already mentioned above in the application), which are each fixed by means of a nut plate 114 against the support structure rear sides 24 of two adjacent adjacent formwork panels 2.
  • the tension rod 112 passes through a channel of only one support structure 4, which extends at right angles to the formwork front side 10.
  • the adjacent shuttering panel 2 is included in the pressing operation via the nut plate 114.
  • Fig. 32 illustrates, by way of an example (of many possible examples), how a concrete slab formwork 120 can be formed using formwork panels 2 according to the invention.
  • the longitudinal centerline of the first described Row and the longitudinal center line of the second described row have a distance from each other, which is substantially as large as the length l of the inserted between the rows of formwork panels 2, plus twice a half width of a formwork beam 124.
  • Fig. 32 instead of in Fig. 32 shown construction of a slab formwork 120 with the invention Kunststoffafen 2 in particular ceiling slabs 120 of a structure with so-called main beams and so-called secondary beams can realize.
  • you have to start from Fig. 32 suggest that the spacing space between the parallel formwork beam supports 124 is bridged not by formwork panels 2 but by a series of side-by-side support beams (in which case the distance between the drawn formwork panel supports 124 is normally greater).
  • the carrier leading from support 122 to support 122 is called the "main carrier” and the carrier extending at right angles to it and placed on the main carriers is called “secondary carrier".
  • the formwork panels 2 are then placed so that they each bridge the distance between two adjacent subcarriers.
  • the subcarriers are those carriers which are referred to in the present application as Schafel carrier.
  • FIGS. 33 to 35 An exemplary embodiment of a coupling element 110 will now be described, which can be used in particular in wall formwork 100 according to the invention, but also for other purposes for which examples are given below.
  • the coupling element 110 shown in the drawing has an overall shape which is reminiscent of a door pawl with an integrated shaft about whose central axis 144 the coupling element 110 is pivotable overall.
  • the coupling element 110 may in particular be made of metal or of plastic.
  • the coupling element 110 has a shaft portion 140 and, integral with the shaft portion 140, an elongate grip portion 142 extending in a plane on which the imaginary center axis 144 of the shaft portion 140 is perpendicular.
  • the grip portion 142 itself is bent relatively close to the shaft portion 140 by about 45 ° in its plane.
  • a worker may hand-engage and then rotate the shaft portion 140 about its central axis 144, favored by a lever arm given by the distance handle center axis 144.
  • the grip portion 142 integrally merges therewith at a first end portion of the shaft portion 140.
  • a first flange 148 in the form of an annular, radially outwardly projecting flange.
  • a second flange 150 At a clear distance a to the first flange 148 is in the second end portion of the shaft portion 140, a second flange 150, which has a more complicated, to be described in more detail below shape.
  • the clear distance a is - roughly speaking - in about as large as it is in aligned juxtaposed wall formwork shuttering panels 2 of the summed thickness of two edge walls 12 and 14 in the area around an opening in question 30, added the (small) clear distance between the outer surfaces of the pair of edge walls 12 and 14, respectively, as described in connection with the first embodiment and the reset of the outer surface of the edge walls 12 and 14, respectively.
  • the shaft region 140 in an intermediate flange region 141 is only substantially circular-cylindrical. More specifically, the waveband 140 has a somewhat oblong cross-section there, which may be made “oval-like” or “elliptical-like” or in the form of "two semicircles with two straight sections therebetween".
  • This cross-sectional shape falls in Fig. 33 optically not on, because the "thickness" or the "local diameter” at the shortest point is only slightly smaller than at the about 90 ° distant, longest point. The meaning of this cross-sectional shape will be described in more detail below.
  • the second flange 150 has an oval outer contour, ie a semicircular section 152 at each end and a straight section 154 therebetween.
  • the second flange 150 has been measured at right angles to the straight line Portions 154 between the semicircular portions 152 - a width c, which corresponds to the smallest thickness or the smallest diameter of the only substantially circular cylindrical portion 141 of the shaft portion 140 or is slightly smaller.
  • the second flange 150 has a dimension e that is significantly greater than the width c.
  • the extent of the radial projection of the second flange 150 over the peripheral surface of only substantially circular cylindrical portion 141 of the waveband 140 increases from 0 to a maximum amount as it progresses through 90 °, then decreases from the maximum amount to 0 when advancing by another 90 °, then increases from 0 to a maximum amount by further 90 °, finally as it progresses 90 ° from the maximum to 0.
  • the shaft portion 140 with the second flange 150 of the coupling member 110 Due to the described geometry of the shaft portion 140 with the second flange 150 of the coupling member 110, one can insert the shaft portion 140 with the second flange 150 forward into an aligned pair of apertures 30 of two parallel positioned edge walls 12 and 14 of two adjacent form panels 2.
  • the openings 30 are, as stated above, oval or slot-like, and the described oval shape of the second flange 150 is such that the shaft portion 140 can be inserted with the second flange 150 first straight through the two openings 30, when the larger dimension e of the second flange 150 coincides with the longer length of the oval opening 30.
  • the beginning of this insertion process can be seen in Fig. 34 at the right coupling element 110, and the end of this insertion process can be seen in the in Fig.
  • the second flange 150 of the respective coupling element 110 is located entirely inside of the respective edge wall 12 and 14 of the second panel 2 (here as second panel 2, that panel 2 is indicated, whose opening 30 is passed as the second opening of the pair of openings 30 from the second flange 150).
  • the coupling element 110 can be pivoted about its central axis 144 by means of the gripping region 142, counterclockwise, looking at the end face of the shaft region 140 where the gripping region 142 leaves.
  • the pivotal movement of the handle portion 142 would constitute a clockwise pivotal movement, because one looks here on that end face of the shaft portion 140, where the second flange 150 is present.
  • the above-mentioned smallest thickness or the smallest diameter of the only substantially circular cylindrical portion 141 of the shaft portion 140 of the coupling element 110 extends in a direction parallel to the orientation of the width c of the second flange 150, and is slightly smaller than the -.
  • the longer dimension e of the second flange 150 and the largest thickness or the largest diameter of the portion 141 of the shaft portion 140 substantially with the longitudinal direction of the the second flange 150 and the portion 141 of the shaft portion 140 can be easily inserted with ease in the pair of apertures 30 involved, even if the two involved formwork panels 2 have some offset from each other in a direction perpendicular to the formwork faces 10 , In the subsequent pivoting of the coupling member 110 by about 90 ° gradually comes the largest thickness or the largest diameter of the area 141 in contact with those central areas of the opening peripheral walls 32 of the two participating openings 30, where the distance between opposite opening peripheral wall areas smaller than in the opening longitudinal direction is.
  • the pivotal movement of the coupling element 110 pulls the two involved form panels 2 into face-aligned position because the largest thickness or the largest diameter of the area 141 of the shaft portion 140 is as small as the respective size of the openings 30 of the two formwork panels involved, with only a slight play 2, measured in the middle opening area and at right angles to the formwork front 10.
  • the two edge walls 12 and 14 of the two shuttering panels 2 involved can also be clamped together with a certain offset in the longitudinal extension direction of the edge walls 12 and 14. After completion of the insertion process described you can move the two peripheral walls 12 and 14 a piece far in the longitudinal direction of the edge walls 12, 14 relative to each other and only then pivot the relevant coupling element 110 into the clamping position.
  • the openings 30 in the edge walls 12 and 14 are also suitable for coupling there formwork accessories, which, depending on the shape of the coupled region of the relevant formwork accessory with coupling elements, as in FIGS. 33 to 35 drawn and described with reference to these figures, work, or with the other hand, modified coupling elements, which are each brought into engagement with one of the openings 30 or with an aligned pair of openings 30.
  • coupling elements with a different flange spacing a can be used.
  • exemplary cases of coupling accessories to be coupled directional supports or formwork brackets are called. But you can also train other connection options at other points of the support structure 4 for formwork accessories.
  • coupling element 110 with its first flange 148 and its second flange 150 is indeed a particularly favorable embodiment of a coupling element 110 used in the invention, but that coupling elements of other embodiments, also with a different clamping mechanism 156, are useful in the invention.
  • FIGS. 36 to 38 A ninth embodiment of a formwork panel 2 according to the invention, including a modification of this formwork panel 2, will now be described.
  • Panel 2 shown is composed of two components, namely a support structure 4 and a formwork skin 6, which is here formed by a single formwork skin element 8. Both the support structure 4 and the formwork skin element 8 consist entirely of plastic here.
  • Each of the two longitudinal edges of the support structure 4 has the shape of a double-walled wall 12, and each of the two transverse edges of the support structure 4 has the shape of a double-walled wall 14.
  • a transverse partition wall 18 which is double-walled, in which case the distance between the partial walls is greater than in the peripheral walls 12 and 14.
  • the described walls 12, 14, 18 and each bounded by These are two in plan view square, large openings 20 formed, which pass from the front 22 to the back 24 of the support structure 4.
  • a plurality of transverse partition walls 18 may be present.
  • Fig. 37 it can be seen that the double walls 12, 14, 18 are closed on the rear side 24 of the support structure 4 by parallel to the formwork front side 10 extending material regions 26, but at the front 22 of the support structure 4 open, ie with spacing between the part walls , are.
  • This shape is referred to as a U-shaped cross section of the double wall.
  • the modified embodiment according to Fig. 38 differs from the embodiment according to Fig. 37 only in that the double walls 12, 14, 18 in their front side 22 of the supporting structure 4 adjacent end region each have a projecting to the respective opening 20, wall-widening flange 28, as in the first embodiment in Fig. 8 and in the sixth embodiment according to Fig. 29 already described and drawn.
  • This shape is referred to as a hat-like cross section of the double wall.
  • the rear closure of the spacing space between the partial walls of the transverse partition wall 18 through the material region 26 there is essentially continuous and possibly only interrupted by channels 34 and 42 with a comparatively small cross-section passing through from the front side 22 to the rear side 24 of the support structure 4. as already described and drawn in the previous embodiments.
  • the closure of the spacing space between the part walls is more severely interrupted by the material areas 26 there and divided into sections, as described and drawn in more detail in the preceding embodiments.
  • Panel 2 shown is composed of two components, namely a support structure 4 and a formwork skin 6, which is here formed by a single formwork skin element 8. Both the support structure 4 and the formwork skin element 8 consist entirely of plastic here.
  • Each of the two longitudinal edges of the support structure 4 has the shape of a wall 12, and each of the two transverse edges of the support structure 4 has the shape of a wall 14. From the one transverse edge wall 14 to the other transverse edge wall 14 extends approximately centrally a longitudinal Partition wall 16, which divides into two semicircular arms 200 in two places. When the two semicircular arms 200 are combined at each of these two locations, a wall section in the form of a full circle is defined there, which delimits a circular opening 20. Each of the two openings 20 passes from the front side 22 to the rear side 24 of the support structure 4. Where there is no opening 20, the back of the support structure 4 is closed by a plate-like material region 202, except for any channels 34 and 42. The boundaries of the walls 12, 14, 16 are partially drawn in broken lines because they lie behind the plate-like material region 202. There may be other, if desired, also different running intermediate walls; the number of openings may be less than or greater than two.
  • the walls 12, 14, 16 are not formed as double walls, but could alternatively be formed as double walls.
  • the respective support structure 4 and the respective formwork skin element 8 are each an integral injection molded plastic component or an integral die casting component made of plastic, ie support structure 4 and formwork element 8 each have a shape which allows the production by plastic injection molding or by plastic die casting.

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Claims (22)

  1. Panneau de coffrage (2) pour des coffrages de bétonnage (100, 120) qui présente :
    une structure de support (4) constituée essentiellement d'une matière synthétique ; et
    une enveloppe de coffrage séparée (6) qui est formée par un élément unique (8) formant une enveloppe de coffrage, essentiellement constitué d'une matière synthétique ou par plusieurs éléments (8) formant une enveloppe de coffrage, respectivement essentiellement constitués d'une matière synthétique ;
    dans lequel l'enveloppe de coffrage (6) est reliée de manière amovible à la structure de support (4) ;
    dans lequel la structure de support (4), contre ses deux côtés longitudinaux et/ou contre ses deux côtés transversaux, est réalisée respectivement sous la forme d'une double paroi (12 ; 14), dont les parois sont reliées l'une à l'autre contre le côté dorsal (24) de la structure de support (4), essentiellement en continu via une zone de matière (26) ou par tronçons via des zones de matière, avec une série d'ouvertures de paroi (30) qui traversent la double paroi (12 ; 14) ;
    caractérisé en ce que les ouvertures de paroi mentionnées (30), respectivement :
    - sont ovales, de forme oblongue avec une direction longitudinale qui est disposée dans la direction longitudinale de la double paroi en question (12 ; 14) ;
    - possèdent, dans la zone d'ouverture médiane, une dimension mesurée perpendiculairement au côté avant (10) de l'enveloppe de coffrage, qui est constante dans le sens de sa direction longitudinale ; et
    - sont entourées par une paroi périphérique d'ouverture (32).
  2. Panneau de coffrage (2) selon la revendication 1, caractérisé en ce que la structure de support (4) présente en outre au moins une paroi intermédiaire qui est réalisée sous la forme d'une double paroi (16 ; 18) dont les deux parois sont reliées l'une à l'autre contre le côté dorsal (24) de la structure de support (4), essentiellement en continu via une zone de matière (26) ou par tronçons via des zones de matière.
  3. Panneau de coffrage (2) selon la revendication 1 ou 2, caractérisé en ce qu'au moins une des doubles parois (12 ; 14 ; 16 ; 18) est réalisée avec une section transversale en forme de U ou en forme de chapeau.
  4. Panneau de coffrage (2) selon l'une quelconque des revendications 1 à 3, caractérisé en ce que les ouvertures de paroi (30) et leur environnement sont respectivement réalisées d'une manière telle qu'à ces endroits on peut raccorder des éléments d'accouplement mécaniques pour l'accouplement de panneaux de coffrage voisins (2) et/ou on peut y raccorder des accessoires de coffrage, tels que des supports d'orientation ou des consoles de coffrage.
  5. Panneau de coffrage (2) selon l'une quelconque des revendications 1 à 4, caractérisé en ce que la structure de support (4) représente essentiellement un élément en une seule pièce moulé par injection à partir d'une matière synthétique ou essentiellement un élément en une seule pièce moulé sous pression à partir d'une matière synthétique.
  6. Panneau de coffrage (2) selon l'une quelconque des revendications 1 à 5, caractérisé en ce qu'au moins un élément (8) formant une enveloppe de coffrage est présent qui représente essentiellement un élément en une seule pièce moulé par injection à partir d'une matière synthétique ou essentiellement un élément en une seule pièce moulé sous pression à partir d'une matière synthétique.
  7. Panneau de coffrage (2) selon l'une quelconque des revendications 1 à 6, caractérisé en ce que la structure de support (4) est réalisée essentiellement sous la forme d'un grillage comprenant des ouvertures (2) qui sont ouvertes aussi bien dans la direction du côté avant (22) de la structure de support (4) que dans la direction du côté arrière (24) de la structure de support (4).
  8. Panneau de coffrage (2) selon l'une quelconque des revendications 1 à 6, caractérisé en ce que la structure de support (4) - en l'occurrence à l'exception d'une réalisation essentiellement sous la forme d'une grille - présente plusieurs ouvertures (20) traversant le côté avant (22) de la structure de support en direction du côté arrière (24) de la structure de support, qui possèdent, dans une vue en plan, respectivement une dimension superficielle d'au moins 25 cm2.
  9. Panneau de coffrage (2) selon l'une quelconque des revendications 1 à 8, caractérisé en ce que l'enveloppe de coffrage (6) est reliée à la structure de support au moyen de vis (70) et/ou de rivets (98) et/ou de liaisons par encliquetage (44, 48 ; 80, 82 ; 84, 88) et/ou d'élargissements rapportés par fusion (98), à des broches de raccordement surmoulées et/ou à une ou plusieurs liaisons adhésives amovibles (96).
  10. Panneau de coffrage (2) selon l'une quelconque des revendications 1 à 9, caractérisé en ce qu'au moins un élément formant une enveloppe de coffrage présente des saillies surmoulées qui entrent en fonction lors de la transmission de n'importe quelle force de traction entre la structure de support et l'élément correspondant formant une enveloppe de coffrage.
  11. Panneau de coffrage (2) selon l'une quelconque des revendications 1 à 10, caractérisé en ce que l'on prévoit, au moins dans un élément (8) formant une enveloppe de coffrage, des endroits d'engrènement mâle/femelle de liaison par complémentarité de forme (40, 58 ; 40, 34), d'une manière telle que n'importe quelle force de poussée qui s'exerce parallèlement au côté avant (10) de l'enveloppe de coffrage, est transmise entre l'élément correspondant (8) formant une enveloppe de coffrage et la structure de support (4).
  12. Panneau de coffrage (2) selon la revendication 11, caractérisé en ce que des endroits existent dans lesquels l'engrènement mâle/femelle (40, 58 ; 40, 34) est respectivement réalisé via une saillie surmoulée contre l'élément (8) mentionné formant une enveloppe de coffrage, qui entre en engrènement avec un logement (58 ; 34) formé dans la structure de support (4).
  13. Panneau de coffrage (2) selon la revendication 12, caractérisé en ce qu'au moins une quantité partielle des saillies d'engrènement mentionnées (40), qui transmettent n'importe quelle force de poussée représentent également des saillies (40) qui entrent également en fonction lors de la transmission de n'importe quelle force de traction entre la structure de support (4) et l'élément correspondant (8) formant une enveloppe de coffrage.
  14. Panneau de coffrage (2) selon l'une quelconque des revendications 10 à 13, caractérisé en ce que, via les saillies surmoulées mentionnées (40 ; 84), on obtient une multitude de points de liaison répartis entre la structure de support (4) et l'enveloppe de coffrage (6).
  15. Panneau de coffrage (2) selon l'une quelconque des revendications 1 à 14, caractérisé en ce que la matière synthétique de la structure de support (4) possède une résistance supérieure à celle de la matière synthétique de l'élément unique (8) formant une enveloppe de coffrage ou de la matière synthétique, respectivement des matières synthétiques desdits plusieurs éléments (8) formant une enveloppe de coffrage ; dans lequel, de préférence, la matière synthétique de la structure de support (4) est renforcée avec des fibres et la matière synthétique de l'élément unique (8) formant une enveloppe de coffrage ou de la matière synthétique, respectivement des matières synthétiques desdits plusieurs éléments (8) formant une enveloppe de coffrage est, respectivement sont renforcées avec des particules.
  16. Panneau de coffrage (2) selon l'une quelconque des revendications 1 à 15, caractérisé en ce que la matière synthétique d'au moins un élément (8) formant une enveloppe de coffrage est sélectionnée d'une manière telle que l'élément (8) formant une enveloppe de coffrage peuvent être cloué.
  17. Coffrage de paroi de bétonnage (100) caractérisé en ce qu'il présente plusieurs panneaux de coffrage accouplés (2) selon l'une quelconque des revendications 1 à 16.
  18. Coffrage de paroi de bétonnage (100) selon la revendication 17, caractérisé en ce que, pour l'accouplement de deux panneaux de coffrage voisins (2), on utilise au moins un élément d'accouplement (110) qui possède une configuration analogue à celle d'une poignée de porte possédant une zone faisant office d'arbre (140) surmoulée en une seule pièce, sur laquelle on prévoit deux brides (148, 150) ; et en ce que l'élément accouplement (110) coopère avec les ouvertures de paroi mentionnées (30) des panneaux de coffrage (2), d'une manière telle que, via un mouvement de pivotement autour de l'axe central (144) de sa zone faisant office d'arbre (140), il entre en engrènement par accouplement ou il quitte son engrènement par accouplement.
  19. Coffrage de paroi de bétonnage (100) selon la revendication 18, caractérisé en ce que la zone faisant office d'arbre (140) de l'élément d'accouplement (110) dans la zone de bride intermédiaire (141) entre la première bride (148) et la deuxième bride (150) ne possède une configuration cylindrique circulaire que de manière essentielle et possède une section transversale approximativement longitudinale que l'on peut réaliser sous forme ovale ou sous forme elliptique ou encore sous la forme de deux demi-cercles entre lesquels on prévoit deux tronçons droits ; et en ce que les deux panneaux de coffrage concernés (2) sont tirés via le mouvement de pivotement de l'élément d'accouplement (110) dans la position disposée à fleur avec le côté avant, étant donné que l'épaisseur maximale, respectivement le diamètre maximal de la zone de bride intermédiaire (141) est égal avec un jeu seulement minime à la dimension respective des ouvertures de paroi (30) des deux panneaux de coffrage concernés (2), mesurée dans la zone médiane d'ouverture de paroi et perpendiculairement au côté avant (10) de l'enveloppe de coffrage.
  20. Coffrage de plancher de bétonnage (120), caractérisé en ce qu'il présente plusieurs panneaux de coffrage (2) selon l'une quelconque des revendications 1 à 16.
  21. Procédé pour la fabrication d'un panneau de coffrage (2) pour des coffrages de bétonnage (100 ; 120) selon l'une quelconque des revendications 1 à 16, caractérisé en ce que la structure de support (4) est moulée par injection ou moulée sous pression à partir d'une matière synthétique ; en ce qu'un élément (8) formant une enveloppe de coffrage ou plusieurs éléments (8) formant une enveloppe de coffrage est/sont moulés par injection ou moulés sous pression à partir d'une matière synthétique ; et en ce que :
    a) dans le cas où l'enveloppe de coffrage (6) est réalisée à partir d'un élément unique (8) formant une enveloppe de coffrage, cet élément (8) formant une enveloppe de coffrage est fixé de manière amovible à la structure de support (4) ; ou
    b) dans le cas où l'enveloppe de coffrage (6) est réalisée à partir de plusieurs éléments (8) formant une enveloppe de coffrage, ces éléments (8) formant une enveloppe de coffrage sont fixés de manière amovible à la structure de support (4).
  22. Procédé selon la revendication 21, caractérisé en ce que l'élément unique (8) formant une enveloppe de coffrage présente, contre son côté dorsal (54), respectivement lesdits plusieurs éléments (8) formant une enveloppe de coffrage présentent respectivement contre leur côté dorsal (54), plusieurs saillies surmoulées (40) ; et en ce que, à partir du côté dorsal (24) de la structure de support (4), on introduit des vis (70) dans au moins une quantité partielle des saillies (40).
EP16205463.9A 2013-07-10 2014-07-09 Plateau de coffrage pour coffrages béton Active EP3173546B1 (fr)

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PL16205463T PL3173546T3 (pl) 2013-07-10 2014-07-09 Tarcza deskowania dla deskowań do betonowania
HRP20191035TT HRP20191035T1 (hr) 2013-07-10 2019-06-07 Oplatni panel za oplatu za betoniranje

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DE102013107303.4A DE102013107303A1 (de) 2013-07-10 2013-07-10 Schaltafel für Betonierungsschalungen
PCT/EP2014/064721 WO2015004188A1 (fr) 2013-07-10 2014-07-09 Panneau de coffrage destiné à des coffrages pour bétonnage
EP14739761.6A EP3019678B1 (fr) 2013-07-10 2014-07-09 Panneau de coffrage destiné à des coffrages pour bétonnage

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EP14739761.6A Division-Into EP3019678B1 (fr) 2013-07-10 2014-07-09 Panneau de coffrage destiné à des coffrages pour bétonnage

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EP14739761.6A Active EP3019678B1 (fr) 2013-07-10 2014-07-09 Panneau de coffrage destiné à des coffrages pour bétonnage
EP16205463.9A Active EP3173546B1 (fr) 2013-07-10 2014-07-09 Plateau de coffrage pour coffrages béton
EP16205468.8A Active EP3176348B1 (fr) 2013-07-10 2014-07-09 Plateau de coffrage pour coffrages de béton
EP17210266.7A Active EP3327219B1 (fr) 2013-07-10 2014-07-09 Plateau de coffrage pour coffrages de béton
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EP16205457.1A Active EP3176347B1 (fr) 2013-07-10 2014-07-09 Plateau de coffrage pour coffrages de béton

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AR (3) AR096853A1 (fr)
AU (3) AU2014289215B2 (fr)
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KR20200096260A (ko) 2020-08-11
ZA201800305B (en) 2019-07-31
AU2018204337B2 (en) 2020-04-02
ES2778626T3 (es) 2020-08-11
SG10201707749PA (en) 2017-10-30
CN113700291B (zh) 2024-01-05
EP3019678A1 (fr) 2016-05-18
CA2917566A1 (fr) 2015-01-15
CL2016000012A1 (es) 2016-09-30
IL272984B (en) 2021-08-31
EA202090050A3 (ru) 2020-07-31
IL272985B (en) 2021-08-31
US20200063450A1 (en) 2020-02-27
EP3176348B1 (fr) 2019-12-18
RS59630B1 (sr) 2020-01-31
NZ715417A (en) 2019-08-30
AU2014289215A1 (en) 2016-02-04
HUE051324T2 (hu) 2021-03-01
KR20200096259A (ko) 2020-08-11
EA034756B1 (ru) 2020-03-17
BR112016000321A2 (fr) 2017-07-25
IL272984A (en) 2020-04-30
EP3019678B1 (fr) 2018-04-25
EP3176348A1 (fr) 2017-06-07
SA516370381B1 (ar) 2022-09-20
WO2015004188A1 (fr) 2015-01-15
KR20160041897A (ko) 2016-04-18
US20160244984A1 (en) 2016-08-25
EP3176347B1 (fr) 2020-02-26
EP3173546A1 (fr) 2017-05-31
ES2730107T3 (es) 2019-11-08
AR115911A2 (es) 2021-03-10
BR112016000321B1 (pt) 2022-03-08
IL243316A0 (en) 2016-02-29
SG10201707754VA (en) 2017-11-29
DE102013107303A1 (de) 2015-01-15
JP2016532026A (ja) 2016-10-13
EA201690190A1 (ru) 2016-05-31
TR201810172T4 (tr) 2018-08-27
EA202090050A2 (ru) 2020-04-30
AR096853A1 (es) 2016-02-03
PH12016502613A1 (en) 2020-03-09
ZA201600044B (en) 2022-03-30
TR201908569T4 (tr) 2019-07-22
CN105452580B (zh) 2021-12-03
PL3173546T3 (pl) 2019-11-29
EP3176347A1 (fr) 2017-06-07
JP6956151B2 (ja) 2021-10-27
MX367877B (es) 2019-09-10
HRP20181040T1 (hr) 2018-09-07
ES2680939T3 (es) 2018-09-11
AR115912A2 (es) 2021-03-10
MA38756B1 (fr) 2017-09-29
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MX2016000096A (es) 2016-08-03
US10890001B2 (en) 2021-01-12
PE20160422A1 (es) 2016-05-13
MY196236A (en) 2023-03-24
AU2014289215B2 (en) 2018-03-22
CA2917566C (fr) 2020-11-03
JP6574765B2 (ja) 2019-09-11
SG11201600117WA (en) 2016-02-26
HRP20191035T1 (hr) 2019-09-06
EA202090051A3 (ru) 2020-07-31
EP3327219A1 (fr) 2018-05-30
IL272985A (en) 2020-04-30
CN113700291A (zh) 2021-11-26
ZA201800304B (en) 2019-07-31
EP3327219B1 (fr) 2019-09-04
DK3176347T3 (da) 2020-05-25
PL3019678T3 (pl) 2018-11-30
AU2018204337A1 (en) 2018-07-05
JP2020002768A (ja) 2020-01-09
KR102129560B1 (ko) 2020-07-03
ES2759581T3 (es) 2020-05-11
AU2018204338B2 (en) 2020-03-12
CN105452580A (zh) 2016-03-30
AU2018204338A1 (en) 2018-07-05
US10465397B2 (en) 2019-11-05

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