EP1024235B1 - Procédé de fabrication d'un matériau de joint de dilatation pour chapes flottantes - Google Patents

Procédé de fabrication d'un matériau de joint de dilatation pour chapes flottantes Download PDF

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Publication number
EP1024235B1
EP1024235B1 EP99101385A EP99101385A EP1024235B1 EP 1024235 B1 EP1024235 B1 EP 1024235B1 EP 99101385 A EP99101385 A EP 99101385A EP 99101385 A EP99101385 A EP 99101385A EP 1024235 B1 EP1024235 B1 EP 1024235B1
Authority
EP
European Patent Office
Prior art keywords
strip
plastic
foamed plastic
plastic foam
thickness
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
EP99101385A
Other languages
German (de)
English (en)
Other versions
EP1024235A1 (fr
Inventor
Jürgen Quittmann
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.)
Gefinex Gesellschaft fur Innovative Extrusionsprodukte Mbh
Gefinex GmbH
Original Assignee
Gefinex Gesellschaft fur Innovative Extrusionsprodukte Mbh
Gefinex 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
Application filed by Gefinex Gesellschaft fur Innovative Extrusionsprodukte Mbh, Gefinex GmbH filed Critical Gefinex Gesellschaft fur Innovative Extrusionsprodukte Mbh
Priority to AT99101385T priority Critical patent/ATE308651T1/de
Priority to DE59912737T priority patent/DE59912737D1/de
Priority to EP99101385A priority patent/EP1024235B1/fr
Publication of EP1024235A1 publication Critical patent/EP1024235A1/fr
Application granted granted Critical
Publication of EP1024235B1 publication Critical patent/EP1024235B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00Flooring
    • E04F15/18Separately-laid insulating layers; Other additional insulating measures; Floating floors
    • E04F15/188Edge insulation strips, e.g. for floor screed layers
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B5/00Floors; Floor construction with regard to insulation; Connections specially adapted therefor
    • E04B5/16Load-carrying floor structures wholly or partly cast or similarly formed in situ
    • E04B5/32Floor structures wholly cast in situ with or without form units or reinforcements
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00Flooring
    • E04F15/12Flooring or floor layers made of masses in situ, e.g. seamless magnesite floors, terrazzo gypsum floors
    • E04F15/14Construction of joints, e.g. dividing strips

Definitions

  • the invention relates to the production of expansion joint material for screed.
  • the screed like other parts of the building, is subject to expansion during heating or contraction when cooled.
  • the total extent of elongation or contraction depends on the screed dimensions, the length being taken into account as a factor for the expansion coefficient and for the temperature. It is known that stretching can lead to extreme wall loads and contraction to cracking. For larger screed areas, efforts are therefore made to incorporate expansion joints.
  • the expansion joints are installed so that the screed surfaces enclosed by the expansion joints and possibly adjacent walls / edges are not damaged or destroyed by stretching and contraction.
  • the plastic foam has so much rigidity that it is under pressure from the liquid Screed does not give significantly, but easily gives way at a thermal expansion. at subsequent contraction of the screed follows the plastic strip of the Contraction movement. This ensures that no dirt fills the joint and an expansion opposes.
  • plastic foam strips and the angle profile on possible heating cables of a floor heating.
  • angle profile to semicircular recesses are incorporated in the upstanding leg.
  • the plastic foam strip has in the downwardly projecting edge punched. It is a two-sided separation of the laminated unfoamed film and a partial separation of the intermediate plastic foam, so that the stamped part can be removed by hand without the help of tools. After bonding, the plastic foam strip with the angle profile at the desired location before pouring the screed is placed.
  • an improvement with the method according to claim 1 is achieved.
  • cut into the plastic strip using scissors or forceps in place can be dispensed with in a production of the openings in place of the unnecessary preparations of openings / breakthroughs.
  • the production can be limited to the actually required openings / breakthroughs.
  • the scissors and pliers provide a very convenient way to make the openings / breakthroughs. This material texture allows the bending and cutting by hand with scissors or pliers.
  • the bending or bending back depends in particular on the thickness of the unfoamed foils provided on both sides of the foam layer. Their thickness is preferably less than or equal to 1 mm per film, the entire Plastic foam strip preferably has a thickness of 6 to 12 mm.
  • shear thickness which can be cut by hand with a pair of scissors. Accordingly, it is referred to as a pliers thickness, which can be cut by hand with a pair of pliers.
  • the foam strip for bilateral To split L-shaped bend of the lower plastic foam strip edge It arises at the bottom two free legs.
  • the cleavage can be done thermally with a heating wire or a heated knife or mechanically done with a rotating knife.
  • the plastic foam of the core is completely or partially removed again.
  • the unfoamed films can also face down a projection own the plastic foam core and right at the bottom of the plastic foam core be bent so that the cleavage of the plastic foam core and, if necessary.
  • the Abtragen be wholly or partially expendable.
  • the laminating film it is advantageous to detect the split lower edge when splitting or after splitting and bring with simultaneous kink heat the unfoamed film in the intended angular position.
  • the targeted heating is preferably carried out with a hot wedge or heater.
  • the subsequent cooling to the kinking can be done by means of a blower.
  • the rigidity largely depends on the thickness. Therefore, it is preferable for the laminating film to have a thickness of 0.2 mm. Particularly favorable conditions are 0.3 to 0.4 mm. Bigger thicknesses are not excluded.
  • the plastic films are laminated to the plastic foam strip.
  • the Kaschier vom be warmed up to laminating temperature and pressed against each other. Regularly is not necessary, the surfaces on molten liquid bring to.
  • the heating can e.g. done with a hot air blower.
  • the laminating processes require a laminating ability. If the materials to be laminated are related to each other, the lamination is particularly easy. A kinship is given in this sense, if in the lamination material is a significant component of the material from which the plastic strip has been made. With the same material optimal conditions arise.
  • the thickness of the foot is at least equal to the thickness of a film provided on the plastic foam strip plus the adhesive. At the top, the thickness is largely freely selectable / enlargeable.
  • the width of the foot is also freely selectable on a larger scale. Of course, a larger footprint has its advantages. However, it is also the stackability and transport and storage to consider. This is called stack size / stack width. From the Stapellot / stack width can also be deviated by choosing larger widths. Preferably, a width of up to 100 mm is provided.
  • the strips produced according to the invention not only open a very advantageous production but a highly advantageous application by the adhesive strip from the cover / protective film withdrawn and the strip is placed at the predetermined location.
  • the pliers provided for cutting can be provided with interchangeable dies and patricks.
  • matrices and Patritzen can be used especially for all common cable shapes and cable diameters.
  • the openings / openings can be made with a small tolerance. This leads to small gap widths between lines and plastic foam strips and already to a large extent sealing.
  • a further sealing can be achieved with sealing compounds.
  • textiles which are wound around the lines in the area of the plastic foam strips and close the gap mentioned. Depending on the nature of the textiles are also suitable to seal inaccurate openings / breakthroughs. Suitable textiles may be fabric remnants / pieces and / or nonwoven remnants / pieces or also random fibers, such as wool ball.
  • Fig. 1 denotes a plastic strip, which consists of a plastic foam core 4 and laminated on both sides of unfoamed films 2 and 3.
  • PE is intended for the plastic foam core and PET for foils 2 and 3.
  • the plastic foam core 4 has a density of 30 kg per cubic meter.
  • the films have a thickness of 0.35 mm, the entire plastic strip 1 has a thickness of 10mm.
  • the plastic strip is offered in different heights. Provided in the exemplary embodiment heights of 40, 60, 80, 100 or 140mm. In other embodiments, heights of 20 to 300 mm are provided. The heights correspond to the desired screed thickness.
  • a foot 5 is provided at the bottom of the plastic strip 1.
  • the foot 5 has a stack width of 30 mm.
  • Stack width is called in the embodiment, the protruding edges of the foot 5 protrude no more than the thickness of the plastic strip 1. This is a space-saving stacking by closing stacking possible. This is essential for economical storage and transportation.
  • the foot 5 is formed in the embodiment, that as a starting material for the Plastic strip 1, a material is used, which is wider by a Aufstandshunt than that later planned height.
  • the embark is equal to the measure to the edges protrude.
  • the lower edge of the strip is centered and in by means of a rotating knife Slotted longitudinally.
  • the slot depth is slightly larger than the Aufstandshow.
  • the rotating knife is arranged stationary and is the strip held between two revolving conveyor belts, which longitudinally the strip move. During movement, the conveyor belts allow the edge of the belt to be slotted Strip free.
  • the wedge-shaped in the slot engages and after heating the kink a unfolding of the Slits resulting free leg causes. This is done by widening the wedge causes.
  • the heating at the kink is caused by contact with a heating plate.
  • the Schublech touches the plastic material thereby linear in width of the Embodiment 2 mm.
  • the contact length of the heating plate is chosen so that the necessary heat penetrates during the contact duration in the films to the films for the To make kinking permanently yielding.
  • the heating plate is provided as a material of copper and on the sheet a electrically operated and temperature-controlled heating cartridge mounted.
  • the maximal Temperature of the heating plate is in the embodiment closely below the Melting temperature of the films to avoid burning.
  • the for the sufficient Heating relevant length of the sheet can be extended by a few experiments or shortening.
  • the intended wedge engages directly in the direction of movement of the slotted strip behind the slot tool in the strip, where by the slot operation or through the Slot tool a distance between the resulting from the slit free Thighs exists.
  • the laminating surfaces are heated to laminating temperature with hot air brought. It is a temperature at which the material under the provided pressure in the embodiment without further auxiliaries lasting to the kinked edges 6 and 7 sticks.
  • both adhesive strips have a Thickness of 1 mm with a width of 5 mm and are covered with an oiled paper.
  • Butyl adhesive strip is supplied in roll form. In the role of the cover strip at the same time form a separating layer, so that the strip easily peeled off and on the Plastic foam strips can be pressed. Preferably, this happens between one Roller pair, wherein the plastic foam strip from a supply roll and the ButylstMail being pulled from another roll and having both strips for positioning laterally be guided.
  • Fig. 2 shows the cutting of a previously marked recess 11.
  • the edges 6 and 7 are compressed with thumb 10 and fingers to bring a scissors, not shown in engagement.
  • the associated expansion joint is located in the embodiment in the door area between two rooms.
  • the plastic foam strip has been cut to length according to the width of the door opening.
  • the recess 11 was marked after stopping the plastic foam strip in the door opening.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Floor Finish (AREA)
  • Bridges Or Land Bridges (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)

Claims (6)

  1. Procédé de fabrication d'un matériau de joint de dilatation pour un enduit ou chape flottante, présentant les étapes suivantes :
    fourniture d'une bande alvéolaire de matière synthétique (4), dont l'épaisseur permet de découper dans cette bande, au moyen de ciseaux ou d'une pince, des ouvertures et/ou des passages,
    sur la bande alvéolaire en matière synthétique (4), sont rapportées par collage ou scellage des feuilles en matière synthétique (2, 3) présentant une rigidité en flexion par rapport à la charge de la chape flottante, et qui sont non alvéolaires sur les deux faces,
    aux feuilles (2, 3) est fourni, par thermoformage, un pied en forme de L, pouvant être fléchi à la main ou à l'aide d'un dispositif de découpage d'ouvertures de passage,
    le pied en forme de L est muni en face inférieure d'une bande adhésive et est susceptible d'être rapporté sur la construction sous-jacente prévue pour la chape flottante, à l'aide de la bande adhésive.
  2. Procédé selon la revendication 1, caractérisé par l'utilisation de feuilles (2, 3) d'une épaisseur allant jusqu'à 0,4 mm.
  3. Procédé selon la revendication 1 ou 2, caractérisé en ce que la bande de matériau alvéolaire synthétique est fendue en partie inférieure en direction longitudinale, et les bords constitués sont coudés en forme de L.
  4. Procédé selon l'une des revendications 1 à 3, caractérisé en ce qu'on utilise une bande adhésive en butyl.
  5. Procédé selon l'une des revendications 1 à 4, caractérisé en ce que, grâce au coudage, on produit sur la bande en matière synthétique alvéolaire un pied d'une largeur allant jusqu'â 100 mm.
  6. Procédé selon l'une des revendications 1 à 5, caractérisé en ce qu'on produit une bande de matériau synthétique alvéolaire (4) d'une hauteur de 20 à 300 mm.
EP99101385A 1999-01-26 1999-01-26 Procédé de fabrication d'un matériau de joint de dilatation pour chapes flottantes Expired - Lifetime EP1024235B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
AT99101385T ATE308651T1 (de) 1999-01-26 1999-01-26 Verfahren zur herstellung eines dehnungsfugenmaterials für einen estrich
DE59912737T DE59912737D1 (de) 1999-01-26 1999-01-26 Verfahren zur Herstellung eines Dehnungsfugenmaterials für einen Estrich
EP99101385A EP1024235B1 (fr) 1999-01-26 1999-01-26 Procédé de fabrication d'un matériau de joint de dilatation pour chapes flottantes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP99101385A EP1024235B1 (fr) 1999-01-26 1999-01-26 Procédé de fabrication d'un matériau de joint de dilatation pour chapes flottantes

Publications (2)

Publication Number Publication Date
EP1024235A1 EP1024235A1 (fr) 2000-08-02
EP1024235B1 true EP1024235B1 (fr) 2005-11-02

Family

ID=8237411

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99101385A Expired - Lifetime EP1024235B1 (fr) 1999-01-26 1999-01-26 Procédé de fabrication d'un matériau de joint de dilatation pour chapes flottantes

Country Status (3)

Country Link
EP (1) EP1024235B1 (fr)
AT (1) ATE308651T1 (fr)
DE (1) DE59912737D1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202007012986U1 (de) * 2007-09-17 2009-02-12 Quittmann, Jürgen Dehnungsfugenstreifen für Estrichböden
EP2143854B1 (fr) * 2008-07-07 2015-11-18 Quithell Kunststofftechnik GmbH Bandes de joints de dilatation pour sols en ciment
DE102014014503A1 (de) 2013-12-17 2015-06-18 Kingspan Gefinex Gmbh Fußbodenaufbau mit Dehnungsfugenstreifen

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3308207A1 (de) * 1983-03-08 1984-09-13 Gebrüder Kömmerling Kunststoffwerke GmbH, 6780 Pirmasens Schwimmender estrich
DE3424198A1 (de) * 1983-10-14 1985-04-25 Helmut 4407 Emsdetten Wedi Zweiteilige bewegungsfugenleiste fuer estriche
DE3642334A1 (de) * 1986-12-11 1988-06-23 Gefinex Gmbh Schalldaemmrandstreifen
DE9300524U1 (de) * 1993-01-16 1993-04-01 Polytherm Vertriebsgesellschaft haustechnischer Artikel mbH, 4434 Ochtrup Dehnungsfugenstreifen
GB9421038D0 (en) * 1994-10-19 1994-12-07 Vexcolt Uk Ltd Movement joint

Also Published As

Publication number Publication date
ATE308651T1 (de) 2005-11-15
DE59912737D1 (de) 2005-12-08
EP1024235A1 (fr) 2000-08-02

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