EP1639216A1 - Piece de coffrage pour l'obtention de corniches et d'elements analogues - Google Patents

Piece de coffrage pour l'obtention de corniches et d'elements analogues

Info

Publication number
EP1639216A1
EP1639216A1 EP03785977A EP03785977A EP1639216A1 EP 1639216 A1 EP1639216 A1 EP 1639216A1 EP 03785977 A EP03785977 A EP 03785977A EP 03785977 A EP03785977 A EP 03785977A EP 1639216 A1 EP1639216 A1 EP 1639216A1
Authority
EP
European Patent Office
Prior art keywords
piece
formwork
cornices
core
obtaining
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Withdrawn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
EP03785977A
Other languages
German (de)
English (en)
Spanish (es)
Inventor
Jesus Sanchez Renasco
José Maria Sanchez Renasco
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP1639216A1 publication Critical patent/EP1639216A1/fr
Withdrawn legal-status Critical Current

Links

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
    • 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
    • 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
    • E04G13/00—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills
    • E04G13/06—Falsework, forms, or shutterings for particular parts of buildings, e.g. stairs, steps, cornices, balconies foundations, sills for stairs, steps, cornices, balconies, or other parts corbelled out of the wall
    • 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

Definitions

  • the present invention relates to a formwork piece, which has been specially designed for the workmanship of cornices and the like.
  • the object of the invention is to achieve a piece of formwork that is highly resistant, lightweight and of reduced volume, based on recyclable or virgin materials.
  • the invention is intended for the field of construction, specifically for the manufacture of concrete cornices integrated into the building.
  • these cornices are manufactured in a single piece with the slab, as a frontal extension of the latter, so that such cornices are an integral part of the slab itself, with a common reinforcement. Consequently, the classical formwork to obtain the floor must be finished in a specific formwork for the type of cornice that is intended to be obtained.
  • expanded polystyrene pieces are used, properly coated to avoid the adhesion of concrete, in which a suitable profile is defined to be desired in the cornice.
  • SUBSTITUTE SHEET (RULE 26) resorting to pieces of considerable thickness, to avoid deformations in them, which would result in excessive weight for such parts, which would make them difficult to handle, while their reusable character would require a wide stock of pieces of different sizes and configurations, to be able to obtain in practice any type of comma, pieces that are also subjected to deformations by impacts and impacts during the cleaning and handling thereof.
  • the formwork piece that the invention proposes belonging to the first group of the aforementioned ones, solves in a completely satisfactory way the problem previously exposed, in the different aspects mentioned.
  • said piece is structured by means of a relatively flattened core, profiled and sized in correspondence with the type of cornice to be obtained, based on recycled complex materials, such as vegetable or synthetic fibers mixed with melting or binder polymers. , the first of them in a proportion between 60 and 80%) and the second between 20 and 40%, materials that are crushed and taken to the melting point of their particles, at a temperature between 120 and the 140C ° 3 thus creating a homogeneous and compact mass that hardens when cooled, hardening effect that is also achieved, without the need to heat the crushed materials, when using binders.
  • recycled complex materials such as vegetable or synthetic fibers mixed with melting or binder polymers.
  • this core determines for the formwork piece a great structural rigidity, with a reduced but and volume, which greatly facilitates its handling and also considerably reduces the costs of storage and transport, since different pieces of the same type can be intercoupled tongue and groove with each other in the absence of spaces
  • SUBSTITUTE SHEET (RULE 26) dead or empty and finally the piece is reversible, so that it can be used on both sides to obtain two cornices of different configuration.
  • the aforementioned core is complemented with a wrapping sheet, of reduced thickness, based on complex paper laminated on two sides, with an aluminum or simply complex paper laminated on two sides, and can also be used instead of fiberglass paper, fabric or another similar material, sheet that is intimately adhered to the aforementioned core and that has a double function, on the one hand to achieve an optimal surface finish for the formwork piece as a whole, and on the other to get its surface to be non-stick for the constitutive concrete of the cornice.
  • said wrapping sheet will be obtained based on two pieces, essentially corresponding to one and another face of the core, which closes one on the other without continuity solution, that is, determining a perfectly smooth and continuous surface in its joining areas.
  • the fixing of the envelope to the core occurs automatically during the manufacturing phase of said core by participation in the same of the envelope sheet on the forming means of the core profile.
  • Figure 1 shows, according to a perspective view, a formwork piece for obtaining cornices and the like made in accordance with the object of the present invention.
  • Figure 2. It shows a partial detail, enlarged and in section of the piece of the previous figure, in which its structure is observed more clearly.
  • the formwork piece that the invention proposes is constituted from a core (1), materialized in a conglomerate based on recycled complex materials, based on polyethylene and cardboard, the first of they in a proportion between 20 and 40% and the second between 60 and 80%), materials that are crushed and taken to the melting point of their particles, at a temperature between 120 and 140 ° C , thus creating a homogeneous and compact mass that hardens when cooled, which by means of a thermal process configures a compact mass that, after cooling, is of great structural rigidity, practically undeformable, core (1) that prior to cooling is subjected to a press to achieve the configuration set for the formwork as a whole, such as the one shown in figure 1.
  • This core (1) is complemented by a laminar envelope (2) of very reduced thickness, based on complex paper, plasticized on two sides, with an aluminum or simply complex paper laminated on two sides, or other suitable material, which ends aesthetically the piece as a whole, which determines a perfectly smooth and continuous surface and that by its very nature prevents the adhesion of the concrete to the formwork piece.
  • said envelope (2) is constituted by two longitudinal sheets (2-2 '), which overlap slightly by their edges (3), as observed especially in the enlarged detail of Figure 2, so that since the wrapping sheet is applied to the core (1) when it is still hot and is moldable, the marginal areas (3 ') of the sheet (2') that are located under the edge ( 3) of the other sheet (2), it undergoes a perfect remission of the forming means themselves, externally offering the set of both sheets (2-2 ') a continuous surface in their joining areas.
  • joints between the two sheets (2-2 ') will preferably be established on one of the faces of the piece, essentially for reasons of constructive ease, but as stated above they do not affect the performance of the piece at all, as such formwork element, which can be used interchangeably by both sides, to obtain two different types of cornices, for example a concave and a convex one.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)

Abstract

L'invention concerne une pièce de coffrage spécialement conçue pour l'obtention de corniches de béton armé, intégrées, par exemple, dans un hourdis, de façon à constituer une prolongation monopièce de ce dernier. Cette pièce de coffrage renferme un noyau (1) sensiblement aplati, à base d'un matériau léger et hautement résistant, concrètement à base de matériaux complexes triturés, éventuellement recyclés et chauffés au point de fusion. Ce matériau noyau est dûment profilé conformément au modèle de corniche prévu et assisté par une enveloppe laminaire (2). Cette pièce de coffrage détermine un parfait fini superficiel pour la pièce, présente des qualités d'antiadhérence pour le béton, de façon que cette pièce occupe peu d'espace lorsqu'elle est rangée et transportée, est indéformable dans son utilisation comme coffrage, est réversible, est utilisable par n'importe laquelle de ses deux faces, enfin est recyclable après utilisation.
EP03785977A 2003-02-04 2003-12-24 Piece de coffrage pour l'obtention de corniches et d'elements analogues Withdrawn EP1639216A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ES200300267A ES2222078B1 (es) 2003-02-04 2003-02-04 Pieza de encofrado para obtencion de cornisas y similares.
PCT/ES2003/000656 WO2004070139A1 (fr) 2003-02-04 2003-12-24 Piece de coffrage pour l'obtention de corniches et d'elements analogues

Publications (1)

Publication Number Publication Date
EP1639216A1 true EP1639216A1 (fr) 2006-03-29

Family

ID=32842957

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03785977A Withdrawn EP1639216A1 (fr) 2003-02-04 2003-12-24 Piece de coffrage pour l'obtention de corniches et d'elements analogues

Country Status (4)

Country Link
EP (1) EP1639216A1 (fr)
AU (1) AU2003294989A1 (fr)
ES (1) ES2222078B1 (fr)
WO (1) WO2004070139A1 (fr)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5759552A (en) * 1991-03-07 1998-06-02 Virogenetics Corporation Marek's disease virus recombinant poxvirus vaccine
DE4110829A1 (de) * 1991-04-04 1992-10-08 Hiendl Heribert Formteil fuer bauzwecke, insbesondere platte
ES2070657B1 (es) * 1991-05-21 1996-04-16 Carplas Aplicaciones Del Plast Procedimiento para la fabricacion de paneles, y panel resultante de tal procedimiento.
DE19612558A1 (de) * 1996-03-29 1997-10-02 Ferrozell Gmbh Formkörper aus Reststoffen sowie deren Verwendung
US5792552A (en) * 1996-04-12 1998-08-11 Providence Industries, L.L.C. Reusable concrete form panel sheeting
JP3884142B2 (ja) * 1997-09-25 2007-02-21 株式会社フジタ コンクリート型枠用板材
DE10038638A1 (de) * 2000-07-28 2002-03-14 Lew Gamza Wärmedämmender Körper und Verfahren zu dessen Herstellung

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2004070139A1 *

Also Published As

Publication number Publication date
ES2222078A1 (es) 2005-01-16
WO2004070139A1 (fr) 2004-08-19
ES2222078B1 (es) 2005-10-16
AU2003294989A1 (en) 2004-08-30

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