EP2427611A2 - Matériel auxiliaire de coffrage à utiliser sur un coffrage béton, élément de coffrage et coffrage béton - Google Patents

Matériel auxiliaire de coffrage à utiliser sur un coffrage béton, élément de coffrage et coffrage béton

Info

Publication number
EP2427611A2
EP2427611A2 EP10728583A EP10728583A EP2427611A2 EP 2427611 A2 EP2427611 A2 EP 2427611A2 EP 10728583 A EP10728583 A EP 10728583A EP 10728583 A EP10728583 A EP 10728583A EP 2427611 A2 EP2427611 A2 EP 2427611A2
Authority
EP
European Patent Office
Prior art keywords
formwork
auxiliary material
adhesive
formwork auxiliary
concrete
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Withdrawn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
EP10728583A
Other languages
German (de)
English (en)
Inventor
Werner Hornung
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.)
Max Frank GmbH and Co KG
Original Assignee
Max Frank GmbH and Co KG
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
Priority claimed from DE200910021584 external-priority patent/DE102009021584A1/de
Priority claimed from DE201010015020 external-priority patent/DE102010015020A1/de
Application filed by Max Frank GmbH and Co KG filed Critical Max Frank GmbH and Co KG
Publication of EP2427611A2 publication Critical patent/EP2427611A2/fr
Withdrawn legal-status Critical Current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
    • B28B7/00—Moulds; Cores; Mandrels
    • B28B7/36—Linings or coatings, e.g. removable, absorbent linings, permanent anti-stick coatings; Linings becoming a non-permanent layer of the moulded article
    • B28B7/368—Absorbent linings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B7/00—Moulds; Cores; Mandrels
    • B28B7/0002—Auxiliary parts or elements of the mould
    • B28B7/0014—Fastening means for mould parts, e.g. for attaching mould walls on mould tables; Mould clamps
    • B28B7/0026—Fastening means for mould parts, e.g. for attaching mould walls on mould tables; Mould clamps using adhesive
    • 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
    • E04G9/10—Forming or shuttering elements for general use with additional peculiarities such as surface shaping, insulating or heating, permeability to water or air

Definitions

  • Formwork auxiliary material for use in concrete formwork, formwork element and concrete formwork
  • the invention relates to a formwork auxiliary material according to the preamble of claim 1, to a formwork element for concrete formwork according to the preamble of claim 9 and to a concrete formwork according to the preamble of claim 11.
  • Such flat or web-shaped formwork aids which are provided in the use case with its back against the inner surface of the concrete formwork or the respective shutter ungsimplantations fitting, usually consist of at least one carrier layer which forms the back of the formwork auxiliary material and as a drainage and storage layer for water and serves as a layer for discharging air, steam or gas from the concrete, as well as at least one further layer which forms the formwork interior facing front of the formwork auxiliary material and at least on this front a fine-pored for water, air, steam and / or gas permeable layer, but cement components of the concrete at least largely retains.
  • the object of the invention is to show a formwork auxiliary material, which can be easily and quickly attached to the inner surface of a concrete formwork or a formwork element of such formwork without affecting the required functions of such material.
  • a formwork auxiliary material according to the patent claim 1 is formed.
  • a shuttering element is the subject of claim 9.
  • a concrete formwork is the subject of claim 11.
  • Self-adhesive or pressure-sensitive adhesive is to be understood in the context of the invention an adhesive or contact adhesive, which fulfills its adhesive function by pressing and preferably allows at least one time detachment and re-adhesion of the formwork auxiliary material to the formwork or formwork element.
  • Figure 1 is a schematic partial view of a section through a concrete formwork with a formwork auxiliary material.
  • Fig. 2 in an enlarged schematic representation of a section through a
  • FIG. 4 shows a schematic representation of a device for applying the punctual adhesive jobs on the back of the formwork auxiliary material of
  • FIG. 5 is a plan view of the back side of the formwork auxiliary in another embodiment of the invention
  • Fig. 6 is a schematic representation of a partial section through a pre-assembled
  • Shuttering element according to the invention.
  • 1 is a formwork element of a concrete formwork for producing a concrete component, not shown, for example a concrete wall.
  • the formwork element 1 is provided on its inner side bounding the interior of the concrete formwork nationwide with a formwork auxiliary material 2, which in the manner known to those skilled u.a. for the discharge and / or storage of excess water from the not yet hardened concrete, for the discharge of air and / or steam and / or gas bubbles from the concrete, etc. is used, with the aim of a hard, free from recesses or voids high quality surface of the manufactured concrete component.
  • Formwork auxiliary materials of this type are known in the art and available for example under the brand name "Zemdrain" on the market.
  • the formwork auxiliary material 2 is formed in several layers in the embodiment shown in Figures 1 - 3, consisting of a forming the back of the formwork auxiliary material lattice-like support material 3 and from a front of the formwork auxiliary material forming layer 4 of a water and / or steam and / or gas and / or air permeable, but very fine-pored Material, for example of a nonwoven, for example of plastic fibers.
  • the formwork auxiliary material in particular in the region of the layer 4 is multi-layered, but preferably always on the front of the formwork auxiliary material, which faces the formwork interior in the case of use, from a fine-pored material, which the necessary permeability to water, air , Steam and / or gas, but at least largely restrains the cement constituents of the concrete.
  • the grid-like substrate 3 is made of plastic, e.g. made of thermoplastic material, with a plurality of intersecting, e.g.
  • the layer 4 is attached to one side of the carrier material s 3 in a suitable manner, for example, by selective bonding or sticking or welding at the intersection points 7 of the webs 6, in any case in such a way that the porous structure of the layer 4 is not impaired even on the surface side of this layer facing in the carrier material 3 by the material used for bonding the carrier material 3 and the layer 4, so that when concreting trapped in the concrete Air can escape through the porous layer 4 and the grid structure of the carrier layer 3 and also water from the liquid concrete first received in the grid openings 5 and then, for example for particularly hard setting of the concrete on the surface of the concrete component is available.
  • the peculiarity of the formwork auxiliary material 2 is that this material is provided on its back, ie on the side facing away from the layer 4 of the support material 3 punctually with adhesive applications 8 of a self-adhesive or pressure-sensitive adhesive with which the formwork auxiliary material 2 adheres by pressing against the formwork wall, so that prior to concreting the formwork auxiliary material 2 without folds on the interior of the shutter delimiting surface of Shuttering element 1 can be attached.
  • the adhesive used for the adhesive jobs 8 is preferably selected so that it also allows a multiple bonding and re-dissolving of the formwork auxiliary material 2, so as to enable the optimum attachment of the formwork auxiliary material 2 when preparing the concrete formwork.
  • the adhesive jobs 8 are provided at points, in the illustrated embodiment at the intersection points 7 of the grid-like substrate 3.
  • the selective application of the adhesive material ensures that this material does not affect the desired properties of the formwork auxiliary material 2, i. the possibility of discharging air, gas, steam from the not yet hardened concrete on the formwork auxiliary material 2 as well as receiving, storing and re-dispensing water from or to the concrete fully preserved.
  • the lattice-like support material 3 is formed so that it at the intersection points 7 each have an increased thickness, ie the intersection points 7 projecting at least on the side facing away from the layer 4 in each case over the side facing away from the layer 4 side of the adjacent web portions, such as this is shown particularly clearly in FIG.
  • the roller 10 extends with a lower circumferential region in a chamber 1 1, which is filled with the adhesive, for example, with the adhesive provided with a suitable solvent, so that adheres to the lateral surface of the roller 10 of the adhesive and therefrom by means of a doctor blade 12th a thin adhesive layer is formed on the roller 10, from which then the punctual adhesive jobs 8 are formed at the crossing points 7 of the carrier material 3.
  • the formwork auxiliary material 2 is moved through a station 13, for the removal of the solvent from the adhesive applications 8 and / or for partial setting of the adhesive formed by a polymeric material to achieve the self-adhesive properties of this Glue or adhesive orders 8.
  • the grid-like carrier material consists, for example, of a thermoplastic material which also makes it possible, in a particularly simple manner, to structure the grid-like carrier material by deformation under the effect of heat so that it has an increased thickness at the points of intersection 7 in the manner described above.
  • the carrier material 3 also enables an optimal discharge of excess water from the concrete, i. by the selective adhesive jobs and by the selective contact of the formwork auxiliary material 2 and the substrate 3 to the respective formwork element 1, the discharge of the excess water is not or not appreciably hampered.
  • FIG. 5 shows a simplified representation of the rear view of a formwork auxiliary material 2a, which has no lattice-like support layer 3 on its back, but whose back is formed by a layer 3a of, for example, a fabric, for example, plastic fibers.
  • the formwork auxiliary material 2 preferably also has a multilayer construction and, on its front side facing the formwork interior in the case of use, likewise has a fine-pored layer 4, for example in the form of a nonwoven.
  • the carrier layer 3a is also provided on the back in the case of use against the respective formwork element rear side with adhesive applications 8a, which are provided in this embodiment but not for example, but rather partially and adjacent to each other.
  • the application of the adhesive jobs 8a which in turn are self-adhesive and designed so that multiple release and Wiederankleben is possible by pressing, for example, by a rotating nozzle and / or applicator, in which the adhesive 8a forming adhesive possibly mixed with a solvent first applied to a rotating driven disc and then arbitrarily distributed or sprayed on the back of the formwork auxiliary material 2 as a partial adhesive jobs 8a.
  • the application is again preferably carried out in a continuous process, ie in the form that the formwork auxiliary material 2a is moved past the at least one rotating nozzle arrangement or on several such arrangements as a web.
  • the removal of the solvent and / or at least partial curing or setting of the adhesive in the mold in such a way that the self-adhesive adhesive applications 8a result are again preferably carried out in a treatment station corresponding to the treatment station 13.
  • those materials which are customarily used for the production of self-adhesive surfaces are also suitable as adhesives for the adhesive applications 8 or 8a.
  • the back of the formwork auxiliary material 2 or 2a provided with the adhesive applications 8 and 8a is preferably indicated by a 14 in FIG Cover provided that temporarily adheres to the adhesive jobs 8 and 8a, but can be deducted from these adhesive orders 8 and 8a, without the Solve adhesive orders of the formwork auxiliary material 2 or 2a wholly or partially.
  • the cover layer consists for example of a provided with a silicone layer web-like carrier material, for example made of silicone paper.
  • the formwork auxiliary material 2 or 2a is part of a prefabricated with this material by a manufacturer formwork element 1a ( Figure 6), which is delivered in this prefabricated state to the respective site.
  • the production of the formwork element 1a with the formwork auxiliary material 2 or 2a takes place under conditions ideal for this production, preferably in a production hall and without an influence of external weather conditions, for example in the form that the formwork auxiliary material 2 or 2a with the respective punctiform and / or partial adhesive applications 8 or 8a is provided and then applied the formwork auxiliary material 2 or 2a so treated on the respective formwork element 1 a or on this formwork element forming plate and using Pressure on the adhesive jobs 8 and 8a is selectively and / or partially connected to the formwork element 1.
  • the application of the pressure required in this case for example, using at least one roller.
  • the formwork element 1a prefabricated with the formwork auxiliary material has the general advantage that the joining of the formwork auxiliary material 2 or 2a can be carried out under optimal conditions irrespective of weather and / or temperature.
  • the formwork auxiliary material 2 or 2a can be applied at a higher pressure using the self-adhesive or pressure-sensitive adhesive than would be possible on a construction site.
  • a conservation of expensive concrete formwork a reduction of operations and sources of error is achieved.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
  • Adhesives Or Adhesive Processes (AREA)

Abstract

L'invention concerne un matériel auxiliaire de coffrage composé d'au moins une nappe pouvant être fixée sur la surface intérieure d'un coffrage ou d'un élément de coffrage au moyen d'une colle auto-adhésive, la colle étant appliquée sur la face arrière de la nappe en couches partielles et/ou sous forme de points de colle espacés les uns des autres.
EP10728583A 2009-05-04 2010-04-23 Matériel auxiliaire de coffrage à utiliser sur un coffrage béton, élément de coffrage et coffrage béton Withdrawn EP2427611A2 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE102009019499 2009-05-04
DE200910021584 DE102009021584A1 (de) 2009-05-04 2009-05-15 Schalungshilfsmaterial zur Verwendung bei einer Betonschalung und Betonschalung mit einem Schalungshilfsmaterial
DE201010015020 DE102010015020A1 (de) 2010-04-14 2010-04-14 Schalungshilfsmaterial zur Verwendung bei einer Betonschalung, Schalungselement und Betonschalung
PCT/DE2010/000461 WO2010127657A2 (fr) 2009-05-04 2010-04-23 Matériel auxiliaire de coffrage à utiliser sur un coffrage béton, élément de coffrage et coffrage béton

Publications (1)

Publication Number Publication Date
EP2427611A2 true EP2427611A2 (fr) 2012-03-14

Family

ID=45561309

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10728583A Withdrawn EP2427611A2 (fr) 2009-05-04 2010-04-23 Matériel auxiliaire de coffrage à utiliser sur un coffrage béton, élément de coffrage et coffrage béton

Country Status (2)

Country Link
EP (1) EP2427611A2 (fr)
WO (1) WO2010127657A2 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014016848A1 (de) 2014-11-13 2016-05-19 Werner Hornung Schalungshilfselement für Betonschalungen sowie Verfahren zur Konfektionierung

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2175635B (en) * 1985-05-28 1988-06-08 Kumagai Gumi Co Ltd Formwork
EP0429730B1 (fr) * 1989-12-01 1993-03-17 Kabushiki Kaisha Central Engineering Matériau composite à fixer sur un panneau de coffrage
DE19834983C1 (de) 1998-08-03 1999-09-16 Fibertex As Betonschaltung und Verfahren zur Herstellung einer Betonschalung

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2010127657A2 *

Also Published As

Publication number Publication date
WO2010127657A2 (fr) 2010-11-11
WO2010127657A3 (fr) 2011-03-10

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