EP1024235B1 - Verfahren zur Herstellung eines Dehnungsfugenmaterials für einen Estrich - Google Patents
Verfahren zur Herstellung eines Dehnungsfugenmaterials für einen Estrich Download PDFInfo
- 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
Links
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F15/00—Flooring
- E04F15/18—Separately-laid insulating layers; Other additional insulating measures; Floating floors
- E04F15/188—Edge insulation strips, e.g. for floor screed layers
-
- 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
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F15/00—Flooring
- E04F15/12—Flooring or floor layers made of masses in situ, e.g. seamless magnesite floors, terrazzo gypsum floors
- E04F15/14—Construction 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)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Bridges Or Land Bridges (AREA)
Description
Es ist bekannt, daß die Dehnung zu extremen Wandlasten und die Kontraktion zur Rißbildung führen kann. Bei größeren Estrichflächen ist man deshalb bemüht, Dehnungsfugen einzubauen. Die Dehnungsfugen werden so angebracht, daß die von den Dehnungsfugen und ggfs. angrenzenden Wänden/Rändern eingeschlossenen Estrichflächen nicht durch Dehnung und Kontraktion beschädigt bzw. zerstört werden.
Die Schaumstreifen werden vor dem Estrichgießen aufgestellt oder nach dem Estrichgießen in den noch flüssigen Estrich gedrückt.
Nach der Verklebung wird der Kunststoffschaumstreifen mit dem Winkelprofil an der gewünschten Stelle vor dem Vergießen des Estrichs aufgestellt.
Beim Abknicken gibt die aufkaschierte ungeschäumte Kunststoff-Folie eine erhebliche Hilfe, indem die Knickstelle erwärmt und in geknicktem Zustand wieder gekühlt wird. Der ungeschäumte Kunststoff gibt dem Knick in dem Kunststoffschaumstreifen so viel Festigkeit, daß eine unerwünschte Rückbildung vermieden wird. Das gilt besonders für biegesteife Kunststoffolien.
Dabei findet eine Abknickung des Kunststoffschaumstreifens nach beiden Seiten statt, so daß ggfs. auftretende Rückstellkräfte einander entgegenwirken und sich bereits weitgehend oder sogar ganz aufheben.
Außerdem eröffnet sich eine sehr einfache Fertigung der Öffnungen/Durchbrüche dadurch, daß Kunststoffschaumstreifen mit Scherendicke oder Zangendicke verwendet werden, deren abgewinkelter Fuß zum Ausschneiden der Öffnungen/Durchbrüche wieder abbiegbar bzw. rückbiegbar ist. Die Scheren und Zangen bieten eine sehr bequeme Möglichkeit zur Herstellung der Öffnungen/Durchbrüche.
Diese Materialbeschaffenheit erlaubt das Abbiegen und Ausschneiden von Hand mit Schere oder Zange. Das Abbiegen bzw. Rückbiegen ist insbesondere von der Dicke der beiderseits der Schaumschicht vorgesehenen ungeschäumten Folien abhängig. Deren Dicke ist vorzugsweise kleiner oder gleich 1 mm je Folie, der gesamte
Kunststoffschaumstreifen hat vorzugsweise eine Dicke von 6 bis 12 mm. Die Frage, wann die Grenzen der Schneidfähigkeit erreicht ist, läßt sich mit ganz wenigen Schneidversuchen mit Schere und Zange klären. Im Rahmen dieser Anmeldung wird als Scherendicke bezeichnet, was von Hand mit einer Schere schneidfähig ist. Dementsprechend wird als Zangendicke bezeichnet, was von Hand mit einer Zange schneidfähig ist.
Je steifer die Kaschierung ist, desto formgenauer bleibt die Abknickung. Die Steifigkeit hängt weitgehend von der Dicke ab. Deshalb ist für die Kaschierungsfolie vorzugsweise eine Dicke von 0,2 mm. Besonders günstige Verhältnisse stellen sich bei 0,3 bis 0,4 mm ein. Größere Dicken sind nicht ausgeschlossen.
Sofern die aufzukaschierenden Materialien miteinander verwandt sind, ist das Aufkaschieren besonders leicht. Eine Verwandtschaft ist in diesem Sinne gegeben, wenn sich in dem Kaschierungsmaterial ein nennenswerter Bestandteil des Materials befindet, aus dem der Kunststoffstreifen hergestellt worden ist. Bei gleichem Material ergeben sich optimale Voraussetzungen.
Zum Teil wird die Haftung erst mit Hilfe von Haftvermittlern erreicht.
Die Breite des Fußes ist in größerem Rahmen gleichfalls frei wählbar. Eine größere Aufstandsfläche hat natürlich ihre Vorteile. Es ist jedoch auch die Stapelfähigkeit und Transport- und Lagerfähigkeit zu beachten. Das wird als Stapelmaß/Stapelbreite bezeichnet. Von dem Stapelmaß/Stapelbreite kann auch durch Wahl größerer Breiten abgewichen werden. Vorzugsweise ist eine Breite bis 100 mm vorgesehen.
Während die eingangs erläuterten zweiteiligen Streifenkonstruktion voraussetzen, daß bei der Leitungsverlegung bereits der Unterteil der Streifenkonstruktion montiert wird und dadurch erhebliche Komplikationen entstehen, vereinfacht sich die Anwendung des erfindungsgemäß hergestellten Streifens ganz erheblich. Vorteilhafterweise müssen die Gewerke "Leitungslegen" und "Verlegen der Streifenkonstruktion" nicht mehr überlappend ausgeführt werden. Allein die Terminkoordinierung und die An- und Abfahrt verursachen bei der überlappenden Durchführung erhebliche Kosten, die bei der erfindungsgemäßen Verfahrensweise entbehrlich werden. Weitere Ersparnisse ergeben sich nach der Erfindung durch die einteilige Konstruktion. Zu den Vorteilen gehört die einteilige Fertigung, ferner ein geringerer Arbeitsaufwand zum Verlegen der Kunststoffschaumstreifen.
Geeignete Textilien können Stoffreste/Stücke und/oder Vliesreste/Stücke oder auch Wirrfasern wie Wollknäule sein.
Der Kunststoffstreifen wird in verschiedenen Höhen angeboten. Vorgesehen sind im Ausführungsbeispiel Höhen von 40, 60, 80, 100 oder 140mm. In anderen Ausführungsbeispielen sind Höhen von 20 bis 300 mm vorgesehen. Die Höhen entsprechen der gewünschten Estrichdicke.
Beim Stapeln wird der jeweils nachfolgende Streifen 1 so gelegt, daß sein Fuß in die entgegengesetzte Richtung zu dem vorhergehend gelegten Streifen 1 liegt.
Die zugehörige Dehnungsfuge befindet sich im Ausführungsbeispiel im Türbereich zwischen zwei Räumen. Der Kunststoffschaumstreifen ist entsprechend der Breite der Türöffnung abgelängt worden. Die Ausnehmung 11 wurde nach Anhalten des Kunststoffschaumstreifens in der Türöffnung angezeichnet.
Claims (6)
- Verfahren zur Herstellung eines Dehnungsfugen materials für einen Estrich, mit folgenden Schritten:ein Kunststoffschaumstreifen (4) wird bereit gestellt, dessen Dicke es erlaubt Öffnungen und/oder Durchbrüche in diesen Streifen mittels einer Schere oder Zange zu schneiden,auf dem Kunststoffschaumstreifen (4) werden beiderseits ungeschäumte, gegenüber der Estrichlast biegesteife Kunststoff-Folien (2,3) aufgeklebt oder aufkaschiert,den Folien (2,3) wird durch Thermoverformung ein L-förmiger Fuß gegeben, der von Hand oder mit Hilfe einer Vorrichtung zum Ausschneiden von Durchtrittsöffnungen abbiegbar ist,der L-förmige Fuß wird an der Unterseite mit einem Klebestreifen versehen und ist mit dem Klebestreifen auf der Unterkonstruktion für den Estrich aufsetzbar.
- Verfahren nach Anspruch 1, gekennzeichnet durch die Verwendung von Folien (2,3) mit einer Dicke bis 0,4 mm.
- Verfahren nach Anspruch 1 oder 2, dadurch gekennzeichnet, daß der Kunststoffschaumstreifen unten in Längsrichtung geschlitzt wird und die entstehenden Ränder L-förmig abgewinkelt werden.
- Verfahren nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß ein Butylklebestsreifen verwendet wird.
- Verfahren nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß durch die Abwinkelung ein Fuß an dem Kunststoffschaumstreifen mit einer Breite bis zu 100 mm erzeugt wird.
- Verfahren nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, daß ein Kunststoffschaumstreifen (4) mit einer Höhe von 20 bis 300 mm erzeugt wird.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP99101385A EP1024235B1 (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 |
AT99101385T ATE308651T1 (de) | 1999-01-26 | 1999-01-26 | Verfahren zur herstellung eines dehnungsfugenmaterials für einen estrich |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP99101385A EP1024235B1 (de) | 1999-01-26 | 1999-01-26 | Verfahren zur Herstellung eines Dehnungsfugenmaterials für einen Estrich |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1024235A1 EP1024235A1 (de) | 2000-08-02 |
EP1024235B1 true EP1024235B1 (de) | 2005-11-02 |
Family
ID=8237411
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99101385A Expired - Lifetime EP1024235B1 (de) | 1999-01-26 | 1999-01-26 | Verfahren zur Herstellung eines Dehnungsfugenmaterials für einen Estrich |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1024235B1 (de) |
AT (1) | ATE308651T1 (de) |
DE (1) | DE59912737D1 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202007012986U1 (de) * | 2007-09-17 | 2009-02-12 | Quittmann, Jürgen | Dehnungsfugenstreifen für Estrichböden |
EP2143854B1 (de) * | 2008-07-07 | 2015-11-18 | Quithell Kunststofftechnik GmbH | Dehnungsfugenstreifen für Estrichböden |
DE102014014503A1 (de) | 2013-12-17 | 2015-06-18 | Kingspan Gefinex Gmbh | Fußbodenaufbau mit Dehnungsfugenstreifen |
Family Cites Families (5)
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, De | |
GB9421038D0 (en) * | 1994-10-19 | 1994-12-07 | Vexcolt Uk Ltd | Movement joint |
-
1999
- 1999-01-26 DE DE59912737T patent/DE59912737D1/de not_active Expired - Lifetime
- 1999-01-26 AT AT99101385T patent/ATE308651T1/de active
- 1999-01-26 EP EP99101385A patent/EP1024235B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
ATE308651T1 (de) | 2005-11-15 |
EP1024235A1 (de) | 2000-08-02 |
DE59912737D1 (de) | 2005-12-08 |
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