DE4422448A1 - The visible surface of a formwork part forming a precast concrete element - Google Patents

The visible surface of a formwork part forming a precast concrete element

Info

Publication number
DE4422448A1
DE4422448A1 DE4422448A DE4422448A DE4422448A1 DE 4422448 A1 DE4422448 A1 DE 4422448A1 DE 4422448 A DE4422448 A DE 4422448A DE 4422448 A DE4422448 A DE 4422448A DE 4422448 A1 DE4422448 A1 DE 4422448A1
Authority
DE
Germany
Prior art keywords
formwork part
formwork
precast concrete
profile
underside
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.)
Withdrawn
Application number
DE4422448A
Other languages
German (de)
Inventor
Wolfgang Reymann
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.)
Reymann Technik GmbH
Original Assignee
Reymann Technik GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6521606&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE4422448(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Reymann Technik GmbH filed Critical Reymann Technik GmbH
Priority to DE9421987U priority Critical patent/DE9421987U1/en
Priority to DE4422448A priority patent/DE4422448A1/en
Priority to AT95109703T priority patent/ATE171411T1/en
Priority to EP95109703A priority patent/EP0692352B1/en
Priority to DE59503670T priority patent/DE59503670D1/en
Publication of DE4422448A1 publication Critical patent/DE4422448A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • B28B19/00—Machines or methods for applying the material to surfaces to form a permanent layer thereon
    • 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
    • B28B1/00—Producing shaped prefabricated articles from the material
    • B28B1/30—Producing shaped prefabricated articles from the material by applying the material on to a core or other moulding surface to form a layer thereon
    • B28B1/32—Producing shaped prefabricated articles from the material by applying the material on to a core or other moulding surface to form a layer thereon by projecting, e.g. spraying
    • 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
    • B28B7/0064—Moulds characterised by special surfaces for producing a desired surface of a moulded article, e.g. profiled or polished moulding surfaces
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
    • E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
    • E04B5/32—Floor structures wholly cast in situ with or without form units or reinforcements
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
    • E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
    • E04B5/32—Floor structures wholly cast in situ with or without form units or reinforcements
    • E04B2005/322—Floor structures wholly cast in situ with or without form units or reinforcements with permanent forms for the floor edges

Abstract

The concrete part has a moulded section (1) that has a rubber-elastic profile (2) in the shape of a rainwater groove positioned on the underside. The rubber-elastic profile has bars (2a) which protrude slightly from the base. The profile is made of rubber and the surface, at least one the side facing the moulded concrete section, has a degree of roughness sufficient to ensure good adhesion. A metal sleeve (7) is embedded in the moulded section. <IMAGE>

Description

Stand der TechnikState of the art

Es ist bekannt, Schalungsteile für Betonfertigteile aus feinkörnigem Material (z. B. Zement) mit Faserverstärkung herzustellen (zu spritzen) und diese Schalungsteile als sogenannte verlorene Schalungsteile zu verwenden, d. h. sie in das Betonfertigteil zu integrieren. Da derartige Schalungsteile mit einer geschlossenen sauberen Oberfläche hergestellt werden können, werden sie als Sichtfläche des Betonfertigteils verwendet. Betonfertigteile werden mit einer Wassernase versehen, um das Kriechen von Regenwasser zu unterbinden. It is known to formwork parts for precast concrete parts fine-grained material (e.g. cement) with fiber reinforcement manufacture (to inject) and these formwork parts as so-called to use lost formwork parts, d. H. them in that Integrate precast concrete. Since such formwork parts with a closed clean surface can be used as a visible surface of the precast concrete part. Precast concrete parts are provided with a water nose to prevent this Prevent rainwater from creeping.  

Aufgabe und LösungTask and solution

Der Erfindung liegt die Aufgabe zu Grunde, bei Verwendung der genannten Schalungsteile, diese Wassernasen in kostengünstiger Weise herzustellen.The invention is based on the object when using the mentioned formwork parts, these water lugs in less expensive Way to manufacture.

Zur Lösung dieser Aufgabe schlägt die Erfindung vor, das Schalungsteil entsprechend den Merkmalen des Anspruchs 1 auszubilden.To achieve this object, the invention proposes that Formwork part according to the features of claim 1 to train.

In den Unteransprüchen werden vorteilhafte Ausführungsbeispiele angegeben.Advantageous exemplary embodiments are set out in the dependent claims specified.

FigurenbeschreibungFigure description

Anhand der Zeichnung wird ein Ausführungsbeispiel der Erfindung näher erläutert. Es zeigtAn embodiment of the invention is shown in the drawing explained in more detail. It shows

Fig. 1: Ein Schnitt durch das Schalungsteil, das sich noch in seiner Herstellungsform befindet. Fig. 1: A section through the formwork part, which is still in its manufacturing form.

Fig. 2: Ein Schnitt durch das vergrößert heraus­ gezeichnete Profil. Fig. 2: A section through the enlarged drawn out profile.

Fig. 3: Ein als Winkelteil ausgebildetes Schalungsteil. Fig. 3: A formwork part designed as an angle part.

In Fig. 1 ist das fertige, jedoch noch in seiner Herstellungsform befindliche Schalungsteil im Schnitt gezeigt und mit 1 bezeichnet. Die Herstellungsform besteht aus einem Formteil 4, das die äußere Form des Schalungsteils 1 bestimmt und untere und obere Begrenzungsteilen 5 und 6 aus magnetischem Material, die durch Magnete 3 fixiert sind. In die so gebildete Form wird das Profil 2 eingelegt, das zum Teil vom Begrenzungsteil 5 umschlossen und damit fixiert wird. Danach wird das Schalungsteil 1 selbst in die Form eingespritzt, wobei zuerst nur Feinzement auf das Formteil 4 und zum Teil auf das Begrenzungsteil 6 aufgespritzt wird. Danach wird dann das faserverstärkte Material aufgespritzt und verdichtet und in die gezeigte Form gebracht. In das Schalungsteil 1 können Metallteile eingespritzt werden (z. B. Gewindehülsen, Schweißgrund oder ein Teil zur Handhabung des Schalungsteils). In Fig. 1 ist als Beispiel eine Metallhülse 7 eingebettet. Nach dem Trocknen des Schalungsteils 1 werden die Teile 5 und 6 entfernt und das z. B. einige Meter lange Schalungsteil 1 mit dem an ihm haftendem Profil 2 entnommen. Dieses Schalungsteil 1 mit Profil 2 wird dann in die Schalung des zu fertigenden Betonfertigteils, z. B. der Bodenplatte eines Balkons einbezogen. Beim Gießen des Fertigteils wird dann das Schalungsteil in das Betonfertigteil integriert. Nach Austrocknen des Betonfertigteils wird das Profil 2, das sich an der Nahtstelle zwischen dem Schalungsteil 1 und dem Beton und zwar an der Unterseite befindet, herausgezogen. Hierdurch entsteht die gewünschte Wassernase. Der Querschnitt eines möglichen Profils zeigt Fig. 2. Das Profil weist an seiner Unterseite zwei Stege 2a auf, die nach Entnahme des Schalungsteil 1 aus seiner Form über die Unterseite des Schalungsteils vorstehen. Hierdurch sollen auf der Schalung vorhandene Unebenheiten ausgeglichen werden, um ein Kriechen des Zements in den Sichtbereich des Schalungsteils 1 zu vermeiden. Das Anbringen des Profils 2 an der Nahtstelle zwischen Schalungsteil 1 und dem Beton dient somit nicht nur zur Erzeugung der Wassernase, sondern stellt eine Dichtung für den Beton dar und es entsteht dadurch keine sichtbare Kante. Das Profil kann z. B. aus Gummi bestehen, dessen Oberfläche vorzugsweise nur im Bereich der Berührung mit dem Schalungsteil 1 eine gewisse Rauigkeit aufweist, so daß das Profil an dem Schalungsteil haftet. Oben wurde erwähnt, daß die Schalungsteile eine gewisse Länge aufweisen. Bisher wurden solche Schalungsteile in Normlängen auf Vorrat gefertigt. Bei ihrem Einsatz ergaben sich Abschnitte und Reststücke als Abfall, der nur schwer recyclbar ist.In Fig. 1 the finished, but still in its manufacturing formwork part is shown in section and designated 1 . The manufacturing mold consists of a molded part 4 , which determines the outer shape of the formwork part 1 and lower and upper boundary parts 5 and 6 made of magnetic material, which are fixed by magnets 3 . In the shape thus formed, the profile 2 is inserted, which is partially enclosed by the limiting part 5 and thus fixed. Then the formwork part 1 itself is injected into the mold, first only fine cement being sprayed onto the molded part 4 and partly onto the limiting part 6 . The fiber-reinforced material is then sprayed on and compressed and brought into the shape shown. Metal parts can be injected into the formwork part 1 (e.g. threaded sleeves, welding base or a part for handling the formwork part). In Fig. 1 is a metal sleeve 7 is embedded as an example. After drying the formwork part 1 , the parts 5 and 6 are removed and the z. B. a few meters long formwork part 1 with the profile 2 adhering to it. This formwork part 1 with profile 2 is then in the formwork of the precast concrete to be manufactured, for. B. included the floor slab of a balcony. When the precast is poured, the formwork is then integrated into the precast concrete. After the precast concrete has dried out, the profile 2 , which is located at the interface between the formwork part 1 and the concrete, on the underside, is pulled out. This creates the desired water nose. The cross section of a possible profile is shown in FIG. 2. The profile has on its underside two webs 2 a, which protrude from its shape beyond the underside of the formwork part after removal of the formwork part 1 . This is intended to compensate for any unevenness on the formwork in order to prevent the cement from creeping into the visible area of the formwork part 1 . Attaching the profile 2 at the interface between the formwork part 1 and the concrete thus not only serves to create the water nose, but also represents a seal for the concrete and there is no visible edge. The profile can e.g. B. consist of rubber, the surface of which preferably has a certain roughness only in the area of contact with the formwork part 1 , so that the profile adheres to the formwork part. It was mentioned above that the formwork parts have a certain length. So far, such formwork parts have been made in stock in standard lengths. When used, sections and remnants resulted in waste that is difficult to recycle.

Eine Weiterbildung der Erfindung, die auch ohne die Erfindung der Ansprüche 1 bis 3 einsetzbar ist, schlägt nun vor, das Schalungsteil als Winkelteil auszubilden und die Länge der Schenkel des Winkelteils entsprechend den jeweiligen Anforderungen auszubilden. Damit entfallen die durch die Gehrungsschnitte anfallenden Restteile und die Restteile, die durch das Schneiden auf richtige Länge anfallen. Bei dieser neuen Handhabung können die Schalungsteile nicht auf Lager gefertigt werden, sondern werden vor Ort im Betonwerk gemäß den Anforderungen des Einzelfalls gefertigt. Eine Draufsicht auf das gewinkelte Schalungsteil mit unterschiedlich langen Schenkeln 8 und 9 zeigt Fig. 3. Aus zwei derartigen Winkelteilen kann z. B. die Schalung für die drei sichtbaren Flächen eines Balkonbodens gebildet werden. Vorzugsweise ist an der Ecke des Winkelteils eine Fase vorgesehen, wie dies Fig. 3 bei 10 zeigt.A further development of the invention, which can also be used without the invention of claims 1 to 3, now proposes to design the formwork part as an angled part and to design the length of the legs of the angled part in accordance with the respective requirements. This eliminates the remaining parts resulting from the miter cuts and the remaining parts that result from cutting to the correct length. With this new handling, the formwork parts cannot be made in stock, but are manufactured on site in the concrete plant according to the requirements of the individual case. FIG. 3 shows a top view of the angled formwork part with legs 8 and 9 of different lengths. B. the formwork for the three visible surfaces of a balcony floor. A chamfer is preferably provided at the corner of the angle part, as shown in FIG. 3 at 10.

Claims (7)

1. Die Sichtfläche eines Betonfertigteils bildendes Schalungsteil aus faserverstärktem, feinkörnigen Material, das in das Betonfertigteil eingegossen wird, wobei an der Nahtstelle zwischen dem Schalungsteil und dem Beton an der Unterseite eine Wassernase ausgespart wird, dadurch gekennzeichnet, daß das Schalungsteil (1) an der Nahtstelle zum Beton an seiner Unterseite ein der Form der Wassernase entsprechendes Profil (2) aus gummielastischem, an dem Schalungsteil haftenden Material aufweist.1. The visible surface of a precast concrete formwork part made of fiber-reinforced, fine-grained material, which is poured into the precast concrete element, a water nose being left out at the interface between the formwork part and the concrete on the underside, characterized in that the formwork part ( 1 ) on the Interface to the concrete on its underside has a profile ( 2 ) corresponding to the shape of the water nose made of rubber-elastic material adhering to the formwork part. 2. Schalungsteil nach Anspruch 1, dadurch gekennzeichnet, daß das Profil (2) an seiner Unterseite Stege (2a) aufweist, die über die Unterseite des Schalungsteils geringfügig vorstehen.2. Formwork part according to claim 1, characterized in that the profile ( 2 ) on its underside webs ( 2 a) which protrude slightly above the underside of the formwork part. 3. Schalungsteil nach Anspruch 1 oder 2, dadurch gekenn­ zeichnet, daß das Profil (2) aus Gummi besteht, dessen Oberfläche wenigstens an der dem Schalungsteil (1) zugewandten Seite eine für die Haftung am Schalungsteil ausreichende Rauigkeit aufweist.3. Formwork part according to claim 1 or 2, characterized in that the profile ( 2 ) consists of rubber, the surface of which at least on the side facing the formwork part ( 1 ) has sufficient roughness for adhesion to the formwork part. 4. Schalungsteil nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß in das Schalungsteil (1) Metallstücke (7) eingespritzt sind. 4. Formwork part according to one of claims 1 to 3, characterized in that in the formwork part ( 1 ) metal pieces ( 7 ) are injected. 5. Die Sichtfläche eines Betonfertigteils bildendes Schalungsteil aus faserverstärktem, feinkörnigen Material, das in das Betonfertigteil eingegossen wird, insbesondere nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß das Schalungsteil einstückig als Winkelteil ausgebildet ist (Fig. 3).5. The visible surface of a precast concrete formwork part made of fiber-reinforced, fine-grained material which is poured into the precast concrete part, in particular according to one of claims 1 to 3, characterized in that the formwork part is integrally formed as an angle part ( Fig. 3). 6. Schalungsteil nach Anspruch 5, dadurch gekennzeichnet, daß die Schenkellängen (8, 9) entsprechend den jeweiligen Anforderungen des Einzelfalls gefertigt sind.6. Formwork part according to claim 5, characterized in that the leg lengths ( 8 , 9 ) are made according to the respective requirements of the individual case. 7. Schalungsteil nach Anspruch 5 oder 6, dadurch gekenn­ zeichnet, daß es an seiner Eckkante eine Fase (10) aufweist.7. Formwork part according to claim 5 or 6, characterized in that it has a chamfer ( 10 ) at its corner edge.
DE4422448A 1994-06-29 1994-06-29 The visible surface of a formwork part forming a precast concrete element Withdrawn DE4422448A1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
DE9421987U DE9421987U1 (en) 1994-06-29 1994-06-29 The visible surface of a formwork part forming a precast concrete element
DE4422448A DE4422448A1 (en) 1994-06-29 1994-06-29 The visible surface of a formwork part forming a precast concrete element
AT95109703T ATE171411T1 (en) 1994-06-29 1995-06-22 FORMWORK PART THAT FORMES THE VISIBLE SURFACE OF A PRECAST CONCRETE PART
EP95109703A EP0692352B1 (en) 1994-06-29 1995-06-22 Shuttering part forming the visible surface of a concrete element
DE59503670T DE59503670D1 (en) 1994-06-29 1995-06-22 The visible surface of a formwork part forming a precast concrete element

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE4422448A DE4422448A1 (en) 1994-06-29 1994-06-29 The visible surface of a formwork part forming a precast concrete element

Publications (1)

Publication Number Publication Date
DE4422448A1 true DE4422448A1 (en) 1996-01-11

Family

ID=6521606

Family Applications (2)

Application Number Title Priority Date Filing Date
DE4422448A Withdrawn DE4422448A1 (en) 1994-06-29 1994-06-29 The visible surface of a formwork part forming a precast concrete element
DE59503670T Expired - Fee Related DE59503670D1 (en) 1994-06-29 1995-06-22 The visible surface of a formwork part forming a precast concrete element

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE59503670T Expired - Fee Related DE59503670D1 (en) 1994-06-29 1995-06-22 The visible surface of a formwork part forming a precast concrete element

Country Status (3)

Country Link
EP (1) EP0692352B1 (en)
AT (1) ATE171411T1 (en)
DE (2) DE4422448A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0866191A2 (en) 1997-03-18 1998-09-23 Bilfinger + Berger Bauaktiengesellschaft Prefabricated element

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3526070A (en) * 1968-11-13 1970-09-01 Max W Deason Pool deck form
CH583615A5 (en) * 1974-10-19 1977-01-14 Honel Ag
GB1516846A (en) * 1975-11-24 1978-07-05 Howard K Slabs and blocks
DE2938325A1 (en) * 1979-09-21 1981-04-09 Dietrich Mehlhose Waterproof wall joint flat concrete roof - has verge sealing profile retained as lost formwork when cast
DE3203299A1 (en) * 1982-02-01 1983-08-11 V.I.L.-Bauelemente GmbH & Co KG, 7128 Lauffen Ceiling-edge supporting angle
DE4235879A1 (en) * 1992-10-23 1994-04-28 Horstmann Baubedarf Gmbh Heat-insulating edge for concrete roof - has foot protruding at right angles and secured to supporting wall
DE9405741U1 (en) * 1994-04-07 1994-06-01 Frank Gmbh & Co Kg Max Shuttering element

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2554110A (en) * 1946-12-10 1951-05-22 Gotthard J Lemm Mold for casting columnar building blocks
FR1191481A (en) * 1958-02-13 1959-10-20 Manufacturing process of terracotta facing elements or any other ceramic products and elements obtained
US4223502A (en) * 1978-03-08 1980-09-23 Olympian Stone Company, Inc. Building panel with stone facing and glass fiber reinforced concrete
SE406881B (en) * 1978-05-30 1979-03-05 Euroc Development Ab PROCEED TO MAKE A LAMINATE
DE8431614U1 (en) * 1984-10-27 1986-02-20 ORI-PRIMAT Handelsgesellschaft mbH & Co KG, 5650 Solingen Ceiling edge capping stone
FR2643010B1 (en) * 1989-02-16 1992-10-09 Desjoyaux Jean Louis ELEMENT FOR THE PRODUCTION OF CONCRETE SLABS OR CUTTERS IN PARTICULAR
FR2645565B1 (en) * 1989-04-11 1997-04-11 Public Essais Etudes Lab PREFABRICATED FACING ELEMENTS, MOLD AND TEMPLATE FOR THEIR MANUFACTURE

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3526070A (en) * 1968-11-13 1970-09-01 Max W Deason Pool deck form
CH583615A5 (en) * 1974-10-19 1977-01-14 Honel Ag
GB1516846A (en) * 1975-11-24 1978-07-05 Howard K Slabs and blocks
DE2938325A1 (en) * 1979-09-21 1981-04-09 Dietrich Mehlhose Waterproof wall joint flat concrete roof - has verge sealing profile retained as lost formwork when cast
DE3203299A1 (en) * 1982-02-01 1983-08-11 V.I.L.-Bauelemente GmbH & Co KG, 7128 Lauffen Ceiling-edge supporting angle
DE4235879A1 (en) * 1992-10-23 1994-04-28 Horstmann Baubedarf Gmbh Heat-insulating edge for concrete roof - has foot protruding at right angles and secured to supporting wall
DE9405741U1 (en) * 1994-04-07 1994-06-01 Frank Gmbh & Co Kg Max Shuttering element

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0866191A2 (en) 1997-03-18 1998-09-23 Bilfinger + Berger Bauaktiengesellschaft Prefabricated element
DE19711211A1 (en) * 1997-03-18 1998-10-01 Bilfinger Berger Bau Prefabricated building element
DE19711211C2 (en) * 1997-03-18 2001-05-10 Bilfinger Berger Bau Formwork element

Also Published As

Publication number Publication date
EP0692352B1 (en) 1998-09-23
EP0692352A1 (en) 1996-01-17
DE59503670D1 (en) 1998-10-29
ATE171411T1 (en) 1998-10-15

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