EP1362966B1 - Pultrudiertes Verbundelement - Google Patents

Pultrudiertes Verbundelement Download PDF

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Publication number
EP1362966B1
EP1362966B1 EP02360151A EP02360151A EP1362966B1 EP 1362966 B1 EP1362966 B1 EP 1362966B1 EP 02360151 A EP02360151 A EP 02360151A EP 02360151 A EP02360151 A EP 02360151A EP 1362966 B1 EP1362966 B1 EP 1362966B1
Authority
EP
European Patent Office
Prior art keywords
panel
panel according
coating
company
gel
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.)
Expired - Lifetime
Application number
EP02360151A
Other languages
English (en)
French (fr)
Other versions
EP1362966A1 (de
Inventor
Arthur Ahr
Cassio Preti
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.)
Hussor SAS
Original Assignee
Hussor SAS
Top Glass SpA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hussor SAS, Top Glass SpA filed Critical Hussor SAS
Priority to DE60229497T priority Critical patent/DE60229497D1/de
Priority to EP02360151A priority patent/EP1362966B1/de
Priority to AT02360151T priority patent/ATE412093T1/de
Publication of EP1362966A1 publication Critical patent/EP1362966A1/de
Application granted granted Critical
Publication of EP1362966B1 publication Critical patent/EP1362966B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
    • E04C2/10—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of wood, fibres, chips, vegetable stems, or the like; of plastics; of foamed products
    • E04C2/20—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials of wood, fibres, chips, vegetable stems, or the like; of plastics; of foamed products of plastics
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C2/00—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels
    • E04C2/30—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure
    • E04C2/34—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by the shape or structure composed of two or more spaced sheet-like parts
    • 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

Definitions

  • the present invention relates to the field of the production of parts made entirely of composite material, in particular of large surface area pieces, such as panels, in particular for use as formwork for cast-in-place concrete, and relates to a composite panel pultruded.
  • This panel has, compared to the aforementioned panels, the advantage of being relatively simple and fast manufacturing and therefore a lower cost to these panels.
  • Such a non-stick coating has, however, the disadvantage of being reported in the state on the formwork side and therefore to be subject to the hazards of adhesion on this face and a risk of rapid degradation.
  • the present invention aims to overcome these disadvantages by providing a composite panel made of a continuous pultrusion operation, having a high rigidity while being of a weight, per unit area, relatively low and whose adhesion properties of surface are very weak.
  • the composite panel produced by pultrusion in a single operation and which comprises two parallel flat faces connected and stiffened by spacers secured to said faces and made in the same pultrusion operation with the same materials, is characterized in that it is provided on at least one side with a non-stick coating in the form of a flexible or rigid composite layer applied to the corresponding face of the panel by ultraviolet irradiation and consisting of pre-impregnated glass made by melt-coating on one side of the fabric of a polypropylene film and by coating on the other side with an ultraviolet-polymerizable epoxy resin.
  • the figure of the appended drawing shows a composite panel, which is produced by pultrusion in a single operation and which comprises two parallel flat faces 1, which are connected and stiffened by spacers 2 integral with said faces 1 and made in the same pultrusion operation with the same materials.
  • this panel is provided on at least one face with a non-stick coating 3.
  • This non-stick coating 3 is in the form of a flexible or rigid composite layer applied to the corresponding face of the panel .
  • the panel is made of reinforcing fibers of mineral and / or organic and / or chemical origin and thermosetting and / or thermoplastic resin.
  • This fiber reinforcement may be supplemented with carbon fibers and / or aramid fibers of the polyparaphenylene terephthalamide type known under the trade name Kevlar from the company Du Pont de Nemours.
  • Such an addition of carbon fibers and / or aramid fibers of the Kevlar type from the company Du Pont de Nemours is particularly suitable for producing reinforcements of parts intended to be subjected to greater stresses, such as, for example, a formwork side.
  • copper braids can be introduced into the mass of the panel during the operation of pultrusion.
  • This panel is produced by pultrusion with guiding reinforcement fibers of mineral and / or organic and / or chemical origin and, optionally, copper braids, and possibly carbon fibers and / or fibers.
  • aramids of the polyparaphenylene terephthalamide type known under the trade name kevlar of the company Du Pont de Nemours assembled in the form of yarns, strands, mats or fabrics, through a die, the yarns, the strands, the mats and / or the fabrics being previously coated with resin.
  • a continuous panel of predetermined width and thickness is thus obtained, this panel being able to be cut into lengths of predetermined length as required.
  • Such a cut to the length of products produced continuously is carried out in a known manner, namely, for example, by means of a transverse cutting device accompanying the longitudinal displacement of the product in scrolling and returning to a position of starting after a cross cutting pass.
  • the reinforcing fibers are guided at the inlet of the die by means of a form of scrim having horizontal and vertical and / or oblique alignments of openings each intended for guiding one or more threads. , strands, mats or coated fabrics before entering the industry.
  • the composite panel obtained has structure reinforcements perfectly positioned and dimensioned in its constituent parts, namely, on the one hand, in the parallel plane faces 1 and, on the other hand, in the connecting struts 2 and stiffening integral with said faces 1.
  • the composite panel thus obtained has a dimensional and structural stability, that is to say does not undergo any deformation in a temperature range between -20 ° C and + 80 ° C and a weight per unit area extremely low compared the characteristics of resistance to the load as well as the deformation.
  • the non-stick coating 3 is in the form of a flexible composite layer applied to at least one side of the panel by ultraviolet irradiation and constituted by a pre-impregnated glass fabric produced by coating with melting on one side of the fabric of a polypropylene film and coating on the other side of an epoxy resin polymerizable with ultraviolet rays.
  • the flexible composite layer is a polyester primer of the type known under the trade name PRIMER POLYESTER GRAY PALINAL REF 862.7777 from the company called STARCOLOR SAC and consists of a primer and a hardener mixed in a ratio of 1 to 20.
  • this flexible composite layer is advantageously carried out by means of a bucket gun, said layer being sanded after evaporation of the solvents, then dried in the oven or in an oven.
  • the non-stick coating 3 may also consist of an abrasion-resistant polyester resin concrete mold gel.
  • such a gel may be that known under the trade name GEL-COAT GRAY SM 1329 ARA from the company FERRO PLASTICS EUROPE.
  • the panel according to the invention is more particularly applicable, either for the realization of vertical space-defining elements which may possibly be under load, or of load carriers uniformly distributed.
  • an interesting application is particularly in the field of building and public works for the realization of formwork panels both vertical and horizontal.
  • the inertia of such panels compared to panels of the same weight per unit area is considerably increased and their rigidity is increased accordingly, so that, for a given weight per unit area, the panels thus obtained are much more resistant.
  • the panels according to the invention have a weight of the order of 25% to 30% lower than conventional panels.
  • this panel allows particularly easy formwork without using other non-stick means, such as formwork oils or the like.
  • the surface of the panel is protected against the aggressions that are scraping operations adherent residual concrete, which have the effect of deteriorating the formwork surface so that the formwork following adhesions will be more numerous.
  • the panel according to the present invention has a significantly improved durability over time compared to existing panels so that their damping can be provided over a longer period, reducing the cost of formwork.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Mechanical Engineering (AREA)
  • Moulding By Coating Moulds (AREA)
  • Laminated Bodies (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Materials For Medical Uses (AREA)

Claims (5)

  1. Pultrudiertes Verbundelement, das in einem einzigen Arbeitsschritt hergestellt wird und zwei ebene parallele Seiten (1) aufweist, die durch Abstandshalter (2) verbunden und versteift sind, die mit den Seiten (1) fest verbunden sind und bei dem selben Pultrusionsvorgang mit den selben Materialien hergestellt werden, dadurch gekennzeichnet, dass mindestens auf einer Seite eine Haftschutzbeschichtung (3) in Form einer biegsamen oder starren Verbundschicht vorgesehen ist, die auf der entsprechenden Seite (1) des Elements durch Bestrahlen mit Ultraviolettlichtstrahlen aufgebracht wird und aus einem vorimprägnierten Glasgewebe besteht, das durch Schmelzbeschichten auf einer Seite des Gewebes mit einer Polypropylenfolie aufgebracht ist, auf der anderen Seite mit einem durch Ultraviolettstrahlen polymerisierbaren Epoxydharz beschichtet ist.
  2. Verbundelement nach Anspruch 1, welches aus Verstärkungsfasern mineralischen und/oder organischen und/oder chemischen Ursprungs und aus wärmehärtbarem und/oder thermoplastischem Harz hergestellt ist, und das ferner Kohlenstofffasern und/oder Aramidfasern des Typs Polyparaphenyleneterephtalmid aufweist, die unter der Handelsbezeichnung Kevlar der Firma Du Pont de Nemours bekannt sind, dadurch gekennzeichnet, dass während des Pultrusionsvorgangs Kupferlitze in die Masse des Elements eingeführt wird.
  3. Verbundelement nach Anspruch 1, dadurch gekennzeichnet, dass die biegsame Verbundschicht eine Polyestergrundierung des Typs ist, der unter der Handelsbezeichnung APPRET POLYESTER GRIS PALINAL REF 862.7777 der Firma STARCOLOR SAC erhältlich ist und aus einer Grundierung und einem Härtungsmittel besteht, die in einem Verhältnis 1 zu 20 vermischt sind.
  4. Verbundelement nach Anspruch 1, dadurch gekennzeichnet, dass die Haftschutzbeschichtung (3) aus einem Gel für Betonform auf der Basis von abriebfestem Polyesterharz besteht.
  5. Verbundelement nach Anspruch 4, dadurch gekennzeichnet, dass das Gel des Typs ist, der unter der Handelsbezeichnung GEL-COAT GRIS SM 1329 ARA der Firma FERRO PLASTICS EUROPE erhältlich ist.
EP02360151A 2002-05-15 2002-05-15 Pultrudiertes Verbundelement Expired - Lifetime EP1362966B1 (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE60229497T DE60229497D1 (de) 2002-05-15 2002-05-15 Pultrudiertes Verbundelement
EP02360151A EP1362966B1 (de) 2002-05-15 2002-05-15 Pultrudiertes Verbundelement
AT02360151T ATE412093T1 (de) 2002-05-15 2002-05-15 Pultrudiertes verbundelement

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP02360151A EP1362966B1 (de) 2002-05-15 2002-05-15 Pultrudiertes Verbundelement

Publications (2)

Publication Number Publication Date
EP1362966A1 EP1362966A1 (de) 2003-11-19
EP1362966B1 true EP1362966B1 (de) 2008-10-22

Family

ID=29266024

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02360151A Expired - Lifetime EP1362966B1 (de) 2002-05-15 2002-05-15 Pultrudiertes Verbundelement

Country Status (3)

Country Link
EP (1) EP1362966B1 (de)
AT (1) ATE412093T1 (de)
DE (1) DE60229497D1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1945896B1 (de) * 2005-10-07 2017-04-26 Fiberline A/S Ein fensterelement, ein pultrudierte profilierte platte, ein system mit einer profilierten pultrudierten platte und einem oder mehreren befestigungselementen, eine verkleidung eines gebäudes oder eines hauses, und eine methode um eine aussenseitige wetterbeständige verkleidung zu bekommen.
FR2933115A1 (fr) 2008-06-26 2010-01-01 Saudi Oger Panneau de coffrage en materiau composite et son procede de fabrication par moulage
WO2010023342A2 (es) * 2008-08-26 2010-03-04 Crisanto Palacios Gavilan Panel de encofrado
EP2540933A1 (de) * 2011-06-29 2013-01-02 Hofin GmbH Plattenartiges Betonierungs-Schalhautelement
WO2013117196A1 (en) * 2012-02-06 2013-08-15 Nordic Platform P/S Deck for scaffolding and method for its adaptation
US11619039B2 (en) * 2020-03-05 2023-04-04 Mighty Buildings, Inc. Three-dimensional printed building components and structures

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3117861C2 (de) * 1981-05-06 1983-10-20 Friedrich 7250 Leonberg Eger Schaltafel für die Aufnahme von aushärtbaren Baumaterialien
JP2700729B2 (ja) * 1991-05-13 1998-01-21 中国塗料株式会社 コンクリート型枠用木製合板
US5397813A (en) * 1993-11-12 1995-03-14 General Electric Company Premium release UV curable epoxysilicone compositions
FR2803862B1 (fr) * 2000-01-18 2002-04-12 Hussor S A Dispositif de coffrage en materiau composite

Also Published As

Publication number Publication date
DE60229497D1 (de) 2008-12-04
EP1362966A1 (de) 2003-11-19
ATE412093T1 (de) 2008-11-15

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