EP1936064B1 - Ruban de joints - Google Patents

Ruban de joints Download PDF

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Publication number
EP1936064B1
EP1936064B1 EP07120847.4A EP07120847A EP1936064B1 EP 1936064 B1 EP1936064 B1 EP 1936064B1 EP 07120847 A EP07120847 A EP 07120847A EP 1936064 B1 EP1936064 B1 EP 1936064B1
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EP
European Patent Office
Prior art keywords
joint tape
joint
basic structure
tape according
filler
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.)
Active
Application number
EP07120847.4A
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German (de)
English (en)
Other versions
EP1936064A1 (fr
Inventor
Dr. Claus-Peter Berneth
Dr. Gottfried Philipp
Andreas Marquart
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.)
Knauf Gips KG
Original Assignee
Knauf Gips 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
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Application filed by Knauf Gips KG filed Critical Knauf Gips KG
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F13/00—Coverings or linings, e.g. for walls or ceilings
    • E04F13/02—Coverings or linings, e.g. for walls or ceilings of plastic materials hardening after applying, e.g. plaster
    • E04F13/04—Bases for plaster
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F13/00—Coverings or linings, e.g. for walls or ceilings
    • E04F13/02—Coverings or linings, e.g. for walls or ceilings of plastic materials hardening after applying, e.g. plaster
    • E04F13/04—Bases for plaster
    • E04F13/042—Joint tapes

Definitions

  • the invention relates to a joint tape for reinforcing putty, wherein the joint strip comprises a continuous, continuous or recessed base structure according to the preamble of claim 1, and a method for producing a joint compound for reinforcing putties according to the preamble of claim 19, as in of the JP-A-10 018 543 disclosed.
  • the object of the present invention is to provide a joint tape having improved processing and performance characteristics. At the same time, a method for producing such a joint tape should be specified.
  • the joint tape comprises a coherent, continuous or recessed basic structure and an anchoring structure provided on one side or on both sides of the basic structure, wherein the anchoring structure is formed by a multiplicity of fibers fixedly connected to the basic structure in a partial area are and with the or the fiber ends free or stand.
  • the anchoring structure with the plurality of free protruding fiber ends causes efficient adhesion of the joint tape in the still wet, especially the dried filler.
  • Fibers are generally understood to mean structures which are thin and flexible in relation to their length. Fibers can absorb essentially no pressure but only tensile forces, since they dodge or even buckle under pressure.
  • joint tape According to the basic and anchoring structure of the joint tape are designed to engage in putty so that the joint tape on or in filler in horizontal and vertical position of the leveling compound surface does not curl and stick flat.
  • a joint tape is selected according to the present invention, that the tensile strengths of the joint tape both longitudinally and transversely to the main fiber direction in the wet state amount to at least 30%, preferably at least 35%, of the corresponding tensile strengths of the joint tape in the dry state.
  • Preferred dimensions are tensile strengths of the joint strip at a width of 15 mm along the main direction of the fiber in the dry state of more than 70 N, preferably of more than 100 N provided. In the wet state, tensile strengths of the joint tape are preferably ensured at a width of 15 mm along the main fiber direction of more than 25 N, preferably of more than 50 N.
  • transverse to the fiber main direction tensile strengths of the joint strip at a width of 15 mm in the dry state of more than 42 N, more preferably of more than 50 N should be achieved.
  • transverse to the main fiber direction tensile strengths are preferably guaranteed in a wet state at a joint width of 15 mm of more than 15 N, more preferably of more than 20 N.
  • the joint tape according to the invention can be a liability of the joint tape on filler with a substantially same order of 1000 g / m 2 or at a 1 mm thick order, after complete drying of the filler Uniflott ® Fa. Knauf gypsum KG or equivalent , at 90 ° deduction of the joint tape and a width of the joint tape of 50 mm, of at least 0.6 kg, preferably of at least 0.8 kg, more preferably achieve 1.0 kg.
  • At least 5, preferably 8, more preferably more than 10 fibers are provided per mm 2 , which are firmly connected to the basic structure, but with a free fiber end of at least 0.4 mm in length, preferably at least 1 mm in length, more preferably from at least 2 mm in length or above.
  • the total length of the fibers forming the anchoring structure is between 0.4 mm and 5 mm.
  • the thickness of the basic structure of the joint tape is in a preferred embodiment below 350 microns.
  • a minimum thickness can be for example 100 microns.
  • the fibers forming the fiber ends at least predominantly have a thickness of between 0.01 mm and 0.1 mm.
  • the joint tape is preferably formed with a basis weight of at least 80 g / m 2 , preferably of at least 100 g / m 2 .
  • the basic structure and anchoring structure are formed from the same or the same materials or components.
  • the anchoring structure is produced when the basic structure is produced.
  • the anchoring structure can be produced by roughening, in particular brushing the basic structure.
  • An assembly of the material web to a joint tape, each with the desired width can be made before or after brushing.
  • the anchoring structure by applying fibers with free end or with free ends on a basic structure, in which case the basic structure and anchoring structure of the same or the same materials or components or of different materials or components can be formed. Possibly. Both approaches can also be combined to the effect that first roughening of the basic structure takes place and then additional fibers are applied to the already roughened basic structure to achieve the anchoring structure according to the invention.
  • the joint tape can for example consist of a fiber system of fibers of a uniform material or as a mixture of different materials.
  • a fiber mixture of organic and inorganic fibers may be present.
  • inorganic fibers are: glass fibers, rock wool fibers and organic fibers: cellulose fibers, polypropylene fibers, polyester fibers.
  • the basic structure can be present, for example, as a closed, continuous web (eg paper, cardboard, fleece or fabric) or as a web with recesses, for example as open fleece or open fabric, grid, mesh, perforated web or embossed web.
  • a closed, continuous web eg paper, cardboard, fleece or fabric
  • a web with recesses for example as open fleece or open fabric, grid, mesh, perforated web or embossed web.
  • the basic structure is provided with an embossing, in particular grooving, and / or with a full-area or partial coating and / or with a complete or partial printing.
  • protection is sought for a joint assembly in which two or more abutting building boards, in particular as gypsum boards, plasterboard, gypsum boards with glass fiber fabric cover layers, gypsum fiber boards, cement-bonded thin-walled plates or formed as calcium silicate plates, or form two or more contiguous precast concrete between the structural panels or precast concrete a joint, said gap filled with filler and the filler is reinforced by at least one joint tape according to the present invention.
  • building boards in particular as gypsum boards, plasterboard, gypsum boards with glass fiber fabric cover layers, gypsum fiber boards, cement-bonded thin-walled plates or formed as calcium silicate plates, or form two or more contiguous precast concrete between the structural panels or precast concrete a joint
  • said gap filled with filler and the filler is reinforced by at least one joint tape according to the present invention.
  • a method for producing a joint tape for reinforcing putties wherein a basic structure which is present in particular as a closed, continuous web or as a web with recesses, for example as a grid, mesh, perforated web or embossed web, on one side, preferably roughened to produce an anchoring structure with a plurality of free fiber ends.
  • the roughening of the basic structure is carried out by brushing.
  • the joint tape can be grooved in the web direction and / or partially printed.
  • a joint tape 11 is illustrated in a schematic diagram in a longitudinal section.
  • the joint tape 11 has a central base structure 15, which holds the joint tape together and present as a continuous, continuous or recessed structure, concretely, for example, as a closed, continuous web or as a web with recesses, for example as a grid, mesh, perforated web or embossed web can.
  • the basic structure 15 also in the middle of a have longitudinal embossing in the form of a grooving in order to define a predetermined kink, so that the joint tape can easily be bent in the middle by the user on site, so that an improved processing in corner areas, is guaranteed.
  • an anchoring structure 16 is provided on both sides of the basic structure 15, wherein in an alternative embodiment, the anchoring structure 16 could also be provided only on one side of the joint strip 11.
  • the anchoring structure 16 comprises a multiplicity of fibers 17 whose proximal ends are anchored in the basic structure 15 and whose distal ends remote from the basic structure 15 form free fiber ends 14.
  • the free fiber ends 14 serve to anchor the joint tape even better both in the wet putty and in the dried state of the putty.
  • the anchoring structure is produced by the roughening of a base material, so that projecting free fiber ends 14 form the anchoring structure 16 and the remaining base material as a basic structure ensures the connection.
  • the provision of the free fiber ends causes a good adhesion of the joint tape in the filler.
  • a joint tape was selected in which the tensile strength of the web, with a material strip of 15 mm width, along the fiber main direction in the dry state> 70 N / 15 mm, ie> 4.66 N / mm, in the wet Condition> 25 N / 15 mm, ie> 1.66 N / mm, and transverse to the main fiber direction in the dry state> 42 N / 15 mm, ie> 2.8 N / mm, and in the wet state> 15 N / 15 mm, ie> 1 N / mm was given.
  • a web 100 ⁇ m thick and 80 g / m 2 basis weight with a density of five protruding fibers / mm 2 each having a length between 0.4 mm and 5 mm was used.
  • the joint tape had a thickness of 150 microns and a basis weight of 100 g / m 2 at a fiber density and fiber length of the protruding fibers according to the aforementioned first example.
  • Fig. 2 is a typical application of the joint tape according to the invention illustrated.
  • a joint tape 11 according to the invention for reinforcing the filler 13 is pressed in the wet state of the filler 13 and filled with a topcoat 20 either from the same filler or preferably from a special other decking compound.
  • Fig. 3 the test method used in the context of the present invention for determining the adhesion of the joint strip is illustrated in more detail.
  • the filler to be tested is raised approx. 2 mm thick and the joint tape is inserted. This should at its end of the specimen about Survive 20 cm.
  • the joint tape is pressed firmly into the putty with a spatula or trowel and excess material is removed. Immediately thereafter, the joint tape is thinly spread over a width of 10 cm.
  • the sample is turned and clamped so that the joint tape can be pulled out freely pointing down.
  • a bucket is stapled. This bucket is now filled with water so that in 30 sec. Feed about 500 ml.
  • the joint tape proposed here can hold at least 1000 g, in particular 2000 g and more, without being pulled out in a continuous movement.
  • joint tape With the joint tape according to the invention, the filling of joints between building boards or precast concrete parts is much easier. In addition, an even better bond between joint tape and filler in the dry state of the filler is achieved, which ensures crack resistance, ie prevents subsequent cracking.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Finishing Walls (AREA)
  • Sealing Material Composition (AREA)
  • Adhesive Tapes (AREA)

Claims (21)

  1. Bande couvre-joint pour le renforcement d'enduits, la bande couvre-joint (11) comprenant une structure de fond (15) d'un seul tenant, continue ou pourvue d'évidements, et
    la bande couvre-joint (11), pour la bonne liaison avec l'enduit au moins d'un côté, de préférence des deux côtés, présente une structure d'ancrage (16) formée par une pluralité d'extrémités de fibre (14) libres dépassant de la surface de la structure de fond, pour la liaison améliorée avec l'enduit,
    caractérisée en ce que
    les résistances à la traction de la bande couvre-joint aussi bien longitudinalement que transversalement à la direction principale de fibre à l'état mouillé sont d'au moins 30 %, de préférence d'au moins 35 % des résistances à la traction correspondantes à l'état sec.
  2. Bande couvre-joint selon la revendication 1,
    caractérisée en ce que
    au moins 5, de préférence 8, de façon plus préférentielle plus de 10 fibres avec une extrémité de fibre libre d'au moins 0,4 mm de longueur sont prévus par mm2.
  3. Bande couvre-joint selon l'une des revendications 1 ou 2,
    caractérisée en ce que
    la longueur totale des fibres (17) constituant la structure d'ancrage (16) est comprise entre 0,4 mm et 5 mm.
  4. Bande couvre-joint selon l'une des revendications 1 à 3,
    caractérisée en ce que
    la structure de fond (15) de la bande couvre-joint (11) présente une épaisseur de moins de 350 µm et/ou de plus de 100 µm.
  5. Bande couvre-joint selon l'une des revendications 1 à 4,
    caractérisée en ce que
    les fibres (17) constituant les extrémités de fibre (14) présentent une épaisseur comprise entre 0,01 mm et 0,1 mm.
  6. Bande couvre-joint selon l'une des revendications 1 à 5,
    caractérisée en ce que
    la bande couvre-joint présente un poids surfacique d'au moins 80 g/m2, de préférence d'au moins 100 g/m2.
  7. Bande couvre-joint selon l'une des revendications 1 à 6,
    caractérisée en ce que
    l'adhérence de la bande couvre-joint (11) est d'au moins 0,6 kg, de préférence d'au moins 0,8 kg, de façon plus préférentielle de 1,0 kg pour une largeur de 50 mm sur enduit pour une application d'env. 1000 g/m2 ou env. 2 mm d'épaisseur après séchage complet de l'enduit, pour un détachement à 90°.
  8. Bande couvre-joint selon l'une des revendications 1 à 7,
    caractérisée en ce que
    la résistance à la traction de la bande couvre-joint, rapportée à la largeur de la bande couvre-joint, longitudinalement à la direction principale de fibre, à l'état sec, est de plus de 4,66 N/mm, de préférence de plus de 6,66 N/mm.
  9. Bande couvre-joint selon l'une des revendications 1 à 8,
    caractérisée en ce que
    la résistance à la traction de la bande couvre-joint, rapportée à la largeur de la bande couvre-joint, longitudinalement à la direction principale de fibre, à l'état mouillé, est de plus de 1,66 N/mm, de préférence de plus de 3,33 N/mm.
  10. Bande couvre-joint selon l'une des revendications 1 à 9,
    caractérisée en ce que
    la résistance à la traction de la bande couvre-joint, rapportée à la largeur de la bande couvre-joint, transversalement à la direction principale de fibre, à l'état sec, est de plus de 2,80 N/mm, de préférence de plus de 3,33 N/mm.
  11. Bande couvre-joint selon l'une des revendications 1 à 10,
    caractérisée en ce que
    la résistance à la traction de la bande couvre-joint, rapportée à la largeur de la bande couvre-joint, transversalement à la direction principale de fibre, à l'état mouillé, est de plus de 1 N/mm, de préférence de plus de 1,33 N/mm.
  12. Bande couvre-joint selon l'une des revendications 1 à 11,
    caractérisée en ce que
    la structure de fond (15) et la structure d'ancrage (16) sont formés du ou des mêmes matériaux et/ou composants.
  13. Bande couvre-joint selon l'une des revendications 1 à 12,
    caractérisée en ce que
    la structure d'ancrage (16) est produite par grenelage, en particulier brossage, de la structure de fond (15).
  14. Bande couvre-joint selon l'une des revendications 1 à 13,
    caractérisée en ce que
    la structure d'ancrage (16) est produite par application de fibres (17) comportant des extrémités de fibre (14) libres sur la structure de fond, sachant que la structure de fond (15) et la structure d'ancrage (16) peuvent dans ce cas être formées du ou des mêmes matériaux et/ou composants ou de matériaux et/ou composants différents.
  15. Bande couvre-joint selon l'une des revendications 1 à 14,
    caractérisée en ce que
    la bande couvre-joint (11), mais tout au moins la structure de fond (15), sont composées d'un système de fibres constitué de fibres d'un matériau homogène ou comme mélange de divers matériaux, par exemple également d'un mélange de fibres constitué de fibres organiques et inorganiques.
  16. Bande couvre-joint selon l'une des revendications 1 à 15,
    caractérisée en ce que
    la structure de fond se présente comme bande continue fermée (par ex. papier, carton, voile ou tissu) ou comme bande pourvue d'évidements, par exemple comme voile ouvert, tissu ouvert, treillis, filet, bande perforée ou bande étampée.
  17. Bande couvre-joint selon l'une des revendications 1 à 16,
    caractérisée en ce que
    la structure de fond (15) est pourvue d'une empreinte, en particulier cannelure, et/ou d'un revêtement intégral ou partiel et/ou d'une impression entière ou partielle.
  18. Bande couvre-joint comportant deux plaques de construction (18, 19) jointives qui sont constituées en particulier comme plaques de plâtre, plaques de carton-plâtre, plaques de plâtre avec couches de couverture en tissu de fibres de verre, plaques de fibres de plâtre, plaques à paroi mince liées par du ciment ou plaques de silicate de calcium, ou deux pièces préfabriquées en béton jointives, sachant qu'un joint (12) qui est rempli d'enduit (13) existe entre les plaques de construction (18, 19) ou les pièces préfabriquées en béton, l'enduit étant renforcé par au moins une bande couvre-joint (11) selon l'une des revendications 1 à 17.
  19. Procédé de fabrication d'une bande couvre-joint pour le renforcement d'enduits, dans lequel une structure de fond (15) qui se présente en particulier comme bande fermée continue en papier, carton, voile ou tissu ou sous la forme d'une bande pourvue d'évidements comme voile ouvert, tissu ouvert, treillis ou filet, est grenelée d'un côté, de préférence des deux côtés, pour produire une structure d'ancrage (16) comportant une pluralité d'extrémités de fibre (14) libres,
    caractérisé en ce que
    pour obtenir une position plane de la bande couvre-joint dans l'enduit, les résistances à la traction de la bande couvre-joint aussi bien longitudinalement que transversalement à la direction principale de fibre à l'état mouillé sont d'au moins 30 %, de préférence d'au moins 35 % des résistances à la traction correspondantes à l'état sec.
  20. Procédé selon la revendication 19,
    caractérisé en ce que
    le grenelage de la structure de fond (15) est effectué par brossage.
  21. Procédé selon la revendication 20 ou 21,
    caractérisé en ce que
    la bande couvre-joint ainsi fabriquée est cannelée et/ou partiellement imprimée en direction du lé.
EP07120847.4A 2006-12-21 2007-11-16 Ruban de joints Active EP1936064B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102006060787A DE102006060787A1 (de) 2006-12-21 2006-12-21 Fugenband

Publications (2)

Publication Number Publication Date
EP1936064A1 EP1936064A1 (fr) 2008-06-25
EP1936064B1 true EP1936064B1 (fr) 2015-11-04

Family

ID=39135169

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07120847.4A Active EP1936064B1 (fr) 2006-12-21 2007-11-16 Ruban de joints

Country Status (4)

Country Link
EP (1) EP1936064B1 (fr)
DE (1) DE102006060787A1 (fr)
DK (1) DK1936064T3 (fr)
ES (1) ES2561158T3 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202022105333U1 (de) 2022-09-22 2022-11-16 Matthias Schäfer Fugendeckstreifen zur Verarbeitung in einer Baustoffoberfläche

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH201213A (de) 1937-12-30 1938-11-30 Hans Vollenweider Verfahren zur Herstellung einer rissfesten Putzfläche.
DE2432648A1 (de) 1974-07-08 1976-01-22 Schlegel Engineering Gmbh Element zur formschluessigen verbindung eines gegenstands mit einem aus dem fluessigen zustand erstarrten koerper, sowie anwendung dieses elements
DE3325879A1 (de) 1982-07-27 1984-02-02 Karl 6078 Neu-Isenburg Karner Armierungsgitter aus verschiedenen werkstoffen
FR2531990A1 (fr) 1982-07-27 1984-02-24 Karner Karl Grille d'armature formee de differents materiaux
JPH1018543A (ja) 1996-07-05 1998-01-20 Rinotetsuku:Kk セメントモルタルの厚付け可能な繊維構造体

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1828221U (de) * 1960-10-13 1961-03-16 Ver Baustoffwerke Bodenwerder Fugenband.
AT412165B (de) * 1994-05-05 2004-10-25 Knapp Johann Anordnung bei anschluss- bzw. stossfugen bei bauteilen
JPH09291451A (ja) * 1996-04-25 1997-11-11 Hamaguchi Senko Kk モルタルの下地用繊維シート
DE10031213B4 (de) * 2000-06-27 2005-10-20 Silu Verwaltung Ag Meggen Dichtungsband für Fugen
ES2615503T3 (es) * 2003-12-01 2017-06-07 Erich R. Vogl Procedimiento para fabricar techos suspendidos de placas de cartón yeso
DE102005005525A1 (de) * 2004-03-28 2005-10-13 Stekox Gmbh Fugendichtungselement und Halter für Fugendichtungselemente
DE102004062077B4 (de) * 2004-12-23 2010-10-07 Jupiter Gmbh Verbundtape zur Überdeckung von Fugen zwischen Werkstoffplatten
DE202005000336U1 (de) * 2005-01-11 2005-04-14 Rigips Gmbh Akustikdecke
DE202006005623U1 (de) * 2006-04-06 2006-07-06 Hartenberger Jun., Andreas Bewehrungsbandabroller

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH201213A (de) 1937-12-30 1938-11-30 Hans Vollenweider Verfahren zur Herstellung einer rissfesten Putzfläche.
DE2432648A1 (de) 1974-07-08 1976-01-22 Schlegel Engineering Gmbh Element zur formschluessigen verbindung eines gegenstands mit einem aus dem fluessigen zustand erstarrten koerper, sowie anwendung dieses elements
DE3325879A1 (de) 1982-07-27 1984-02-02 Karl 6078 Neu-Isenburg Karner Armierungsgitter aus verschiedenen werkstoffen
FR2531990A1 (fr) 1982-07-27 1984-02-24 Karner Karl Grille d'armature formee de differents materiaux
JPH1018543A (ja) 1996-07-05 1998-01-20 Rinotetsuku:Kk セメントモルタルの厚付け可能な繊維構造体

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
USG AUSTRALASIA: "SHEETROCK Paper Drywall Joint Tape", PRODUCT DATA, October 2005 (2005-10-01), pages 1 - 2, XP055299328

Also Published As

Publication number Publication date
DE102006060787A1 (de) 2008-07-03
DK1936064T3 (en) 2016-02-08
EP1936064A1 (fr) 2008-06-25
ES2561158T3 (es) 2016-02-24

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