EP0595171A1 - Armature de tissu pour enduits, systèmes d'isolation, chape un similaires - Google Patents

Armature de tissu pour enduits, systèmes d'isolation, chape un similaires Download PDF

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Publication number
EP0595171A1
EP0595171A1 EP93116911A EP93116911A EP0595171A1 EP 0595171 A1 EP0595171 A1 EP 0595171A1 EP 93116911 A EP93116911 A EP 93116911A EP 93116911 A EP93116911 A EP 93116911A EP 0595171 A1 EP0595171 A1 EP 0595171A1
Authority
EP
European Patent Office
Prior art keywords
legs
reinforcing fabric
net
fabric according
pins
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.)
Granted
Application number
EP93116911A
Other languages
German (de)
English (en)
Other versions
EP0595171B1 (fr
Inventor
Heinz Karpf
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.)
METANOIA AG
Original Assignee
METANOIA AG
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 METANOIA AG filed Critical METANOIA AG
Publication of EP0595171A1 publication Critical patent/EP0595171A1/fr
Application granted granted Critical
Publication of EP0595171B1 publication Critical patent/EP0595171B1/fr
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
    • E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
    • E04C5/07—Reinforcing elements of material other than metal, e.g. of glass, of plastics, or not exclusively made of metal
    • 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

Definitions

  • the invention relates to a reinforcement fabric for plasters, insulation systems, screeds or the like, consisting of a grid-like network, which is provided on one side with spacers.
  • Such reinforcing fabrics are used to reinforce wall plasters, thick-layer insulation systems, screeds or the like and are intended to prevent the formation of cracks.
  • the plasters can be gypsum plaster, lime plaster, lime cement plaster, cement plaster or light plaster, which are applied both on the inside and outside to a corresponding masonry, insulation boards or the like.
  • Reinforcement meshes of this type are used in particular where different wall structures meet due to different materials, since these areas are very susceptible to cracking.
  • the reinforcement mesh is also used for mixed masonry.
  • the reinforcement fabrics embedded in the plaster absorb the stresses that occur in the plaster.
  • a reinforcing fabric of the type mentioned is known from DE-OS 39 26 366.
  • the grid-like mesh of the reinforcement fabric has spacers and ensures a predetermined spacing of the mesh from the surface to be plastered.
  • the reinforcement mesh does not lie directly on the masonry, but has a certain distance from it due to the spacers.
  • the spacers are formed by rod-shaped profiles that are parallel are attached to each other on one side of the grid-like network on this.
  • the known reinforcement fabric with these spacers has a number of disadvantages. Because of the rod-shaped profiles, the reinforcement mesh is very difficult or not at all to be pushed into the still wet plaster, since the resistance is very high, especially with tough mortar. In addition, cavities are formed in the area of the rod-shaped profiles in the contact area with the network. Furthermore, the distance is determined by the diameter of the profiles. However, since these diameters cannot be made arbitrarily large, the distance between the mesh of the reinforcement mesh and the wall is limited. Another disadvantage is that the production of the known reinforcing fabric is complex, since the rod-shaped profiles either have to be glued on or fastened with loops. The profiles also limit the flexibility of the reinforcement mesh. Finally, in the known reinforcement fabric there is a risk that the profiles act as a rocker when pressurized and thus the grid-like network corrugates and does not adapt parallel to the plaster base.
  • the object of the invention is to create an improved reinforcing fabric for plasters.
  • the invention proposes that the spacers are formed by legs projecting essentially perpendicularly from the network plane.
  • a reinforcing fabric for plasters designed according to this technical teaching has the advantage that it optimally absorbs the stresses occurring in the plaster and thus prevents the formation of cracks in the plaster.
  • the legs of the reinforcing fabric By the legs of the reinforcing fabric, the forces occurring in the plaster are evenly transmitted to the plaster surface, ie into the grid-like network, so that overall the tensions occurring in the plaster both horizontally and vertically by means of the grid-like network and the spacers perpendicular to it in the form of the legs according to the invention be derived or collected.
  • the reinforcing fabric according to the invention is suitable for every degree of hardness of the plaster. Overall, the invention thus achieves a static improvement in the plastering area.
  • the reinforcing fabric according to the invention is highly parallel to the wall. This also makes work easier, since the reinforcing fabric according to the invention can be easily pressed into the still moist plaster, to the front ends the legs rest on the masonry to be plastered or the like.
  • the plaster thickness can be 0.5 mm to 50 mm.
  • the plaster reinforced with the reinforcement fabric can be easily created in two work steps, by first applying a base plaster layer, into which the reinforcement fabric according to the invention is pressed, and then after this base plaster layer has dried out, a second plaster layer, for example to apply a noble plaster.
  • a base plaster layer into which the reinforcement fabric according to the invention is pressed
  • a second plaster layer for example to apply a noble plaster.
  • the reinforcement fabric for plasters according to the invention thus has significant advantages over the known reinforcement fabrics. It is also possible with the reinforcement fabric according to the invention to install basic plaster and reinforcement professionally and in the right place in one work step. This reduces costs and shortens downtimes.
  • the "legs" according to the invention are to be understood in the most general sense.
  • the legs can each be a type of support frame, which supports the grid-like network at certain points. This support frame applies in particular to floor screeds, as will be explained in more detail below.
  • a preferred development of the reinforcing fabric according to the invention proposes that the legs are evenly distributed over the network. This regular arrangement of the legs of the reinforcing fabric ensures that the stresses occurring in the plaster are evenly dissipated over the entire plaster surface, thus creating a high degree of homogeneity. In addition, the even distribution of the legs ensures that the net runs uniformly everywhere parallel to the wall to be plastered.
  • the distances between the legs correspond to n times or (n + 1/2) times the mesh size of the network, "n" being an integer greater than or equal to zero. It is basically conceivable that the leg density can be different in the two mutually perpendicular network directions.
  • the distance between the legs is preferably 1 to 2 times the mesh size of the net, so that the reinforcing fabric has a large number of legs, which ensure optimum stress dissipation within the plaster.
  • the grid for the legs is therefore preferably in the order of magnitude of the mesh size. As a result, a high degree of parallelism of the mesh-like network with respect to the wall to be plastered is achieved.
  • the legs are preferably arranged in the intersection points of the meshes of the network and / or in the middle points between the intersection points of the meshes of the network.
  • the stitch intersections are to be understood as the crossing points between the threads of the fabric that are perpendicular to one another.
  • the legs are integrally formed on the net.
  • the reinforcing fabric can be produced in one piece in a technically simple manner, in the case of a plastic fabric by means of a single extrusion process.
  • the manufacturing effort for the reinforcement fabric is therefore not greater than that of a reinforcement fabric that has no legs as spacers.
  • legs to the net as separate parts.
  • the legs are thus produced separately from the net and then fastened in a suitable manner, for example welded to the net or clipped onto the net.
  • the legs are integrally formed on a bar, the bars being attached to the net with the legs backwards.
  • the strips are aligned parallel to each other.
  • the strips can be attached to the net, for example, by gluing or welding, or else by clipping on.
  • This production technique with the strips has the advantage that a variety of different combinations can be created by different networks and differently designed strips, which can be adapted to the respective needs.
  • the strip is ladder-shaped, the distance between the two longitudinal spars of the conductors corresponding to the mesh size or an integer multiple of the mesh size of the network and being fastened to it, in particular being clipped on, and with the legs attached to the longitudinal spars, in particular the ends of the rungs of the ladder running transversely between the two longitudinal spars are formed.
  • the basic idea is to arrange a plurality of legs on a type of ladder and then to attach this structure to the fabric network.
  • the distance between the two parallel longitudinal spars of the conductors preferably corresponds to the mesh spacing, so that the longitudinal spars rest directly on the fabric threads and is preferably clipped onto this. This ensures a contact surface between the ladder-shaped structure with the legs on the one hand and the fabric network on the other hand, so that the legs are held securely in their position.
  • the legs are attached to the net as separate parts, it is proposed in an alternative embodiment that the legs are designed as nail-like pins with a shaft and head, which at the corresponding points of the net from the other side through this until it stops at the Head pushed through.
  • This is a technically very simple way to populate the fabric network with the legs.
  • the basic idea here is to use pins in the form of nails as pins, which are pushed through the tissue at the appropriate points, in particular mechanically shot through them, so that the pins stick out with their shafts at the other end and define the pins.
  • the pins will preferably be arranged in the crossing region of the grid-like network.
  • the pins in the area of the center points between the intersections of the meshes of the network.
  • the shape of the pens is arbitrary.
  • the shaft can have a square cross section and a flat cylindrical head.
  • the shaft can also be round.
  • the pin is preferably made of plastic, in particular polystyrene, ABS or POM.
  • the length of the pins and the mesh size of the fabric is variable.
  • the pins can either be detachably or non-detachably connected to the tissue, in which case the pins can additionally be glued, welded or crimped onto the tissue.
  • the pins preferably taper towards the front and / or have a conical tip. This allows the pins to be held securely in the mesh.
  • the shaft can taper towards the front at a slight angle of approximately 1 °.
  • the conical tip of the shaft can enclose an angle of 60 °, for example.
  • the pins have a cross-sectional reduction in the transition area between the shaft and the head.
  • This reduction in cross section has in particular a round cross section, but it can also be rectangular, for example.
  • the basic idea with regard to this reduction in cross-section lies in the fact that the tissue engages in this reduction in cross-section to a certain extent after the pin has been pushed in, because the tissue material, due to its elasticity, closes the widening which has meanwhile occurred. This ensures that the pin can no longer come loose from the tissue.
  • the shaft has a barb-like snap nose.
  • this snap lug lies against the tissue surface and prevents the pin from being pulled out.
  • the legs be designed as nail-like pins, which at the corresponding points of the net are pushed through this up to a stop of the shaft of the respective pin and with respect to the stop on the other side of the net are squashed in the manner of riveting.
  • the basic idea is thus to press the legs designed as nail-like pins into the tissue at the intended locations or to shoot them in by means of a corresponding machine, namely until a corresponding stop of the pin on the tissue comes to rest.
  • the free end of the nail-like pin then protrudes above and out of the tissue, so that in a subsequent work step this outstanding tip is squeezed in the manner of a rivet and the pin can therefore no longer be pulled out of the tissue.
  • the pin is thus fixed between the stop of the shaft and the flat riveting.
  • the stop of the shaft can be, for example, a type of plate which protrudes radially over the shaft of the pin.
  • other stops are also conceivable, which are molded onto the pin shaft. You just have to prevent the pin from being pushed further into the tissue.
  • that end of the pin which is pushed through the tissue has a conical tip.
  • a further alternative embodiment of the separately formed legs suggests that they are each formed by a support frame which is fastened, in particular clipped, to the four network elements emanating from them in the area of the intersection of the meshes of the network.
  • This type of reinforcement fabric is especially intended for floor screeds.
  • the grid-like network is preferably a wire grid, at the intersection of which the support frame is arranged, which preferably has a plate support at the free end. This support frame for the legs is stable enough to absorb the high forces when pouring the screed.
  • the legs preferably have essentially the same profile over their entire length. This ensures that the legs and thus the reinforcing fabric can be easily pressed into the still wet plaster.
  • the legs are preferably essentially rectangular, in particular square, or flat, so that they can optimally absorb tensions parallel to the network plane and transmit them into the network. This is also improved by the fact that adjacent flat legs are aligned perpendicular to one another, so that the two mutually perpendicular directions of the reinforcing fabric can equally well absorb the stresses occurring in the plaster.
  • the reinforcing fabric is preferably made of plastic, the network preferably being formed by weft threads and warp threads perpendicular thereto.
  • the formation of the net by weft and warp threads perpendicular thereto not only the embodiment is conceived in which the weft and warp threads are intertwined in the manner of a textile fabric, but it is also conceivable that a first plane of threads parallel to one another is provided is, on which there are also parallel parallel threads, whereby in the intersection bwz.
  • the threads of the fabric also need not have a round cross section. Rather, they are preferably designed with a flat cross section. This proves to be particularly advantageous if the legs are formed by the nail-like pins already described. Likewise, it is also conceivable to create the reinforcing mesh from a galvanized wire mesh instead of plastic.
  • the legs can be shortened to the desired length. This brings advantages in terms of manufacturing technology, starting from the maximum possible length for the legs, in order then to shorten them to the respective length corresponding to the specified plaster thickness in accordance with the requirements. If the reinforcement fabric is made of plastic, the legs can be easily cut off.
  • FIGS. 1 and 2 A first embodiment of the reinforcing fabric is shown in FIGS. 1 and 2, while a second embodiment is shown in FIGS. 3 to 8. While these two embodiments of a reinforcement fabric are primarily intended for plasters, the third embodiment shown in FIGS. 9 to 11 is intended for floor screeds.
  • the reinforcing fabric 1 of the first embodiment in FIGS. 1 and 2 consists entirely of plastic and has a network 2 of weft threads 3 and warp threads 4 which are firmly connected to one another in the area of the intersection points S.
  • the weft threads 3 and warp threads 4 have an essentially flat cross-sectional profile.
  • the distance between the weft threads 3 on the one hand and the warp threads 4 on the other hand is the same size, so that the net has 2 square stitches. Equally, however, it is also conceivable that the distances are different and the network thus has 2 rectangular meshes.
  • Legs 5 extending perpendicular to the plane of the net 2 are also arranged on the net 2 of the reinforcing fabric 1. These can be injection molded onto the net 2 in a single extrusion process in the production of the reinforcing fabric 1.
  • Other fastening techniques are conceivable, for example to arrange the legs 5 on a web which is fastened in turn on the net 2.
  • the legs 5 are located at the intersection points S of the mesh of the net 2, with every second intersection point S being omitted in one direction, while each intersection point S is occupied with a leg 5 in the direction perpendicular thereto . It is also conceivable here to choose a different arrangement. For example, it is also conceivable to arrange the legs 5 in the middle between two intersection points S.
  • the legs 5 have a cross-sectional profile that is flat over their length. Of course, it is also conceivable to provide other profile cross sections.
  • the reinforcing fabric 1 is shown in a plaster 6. From a manufacturing point of view, this means that the plaster 6 is first applied to a wall 7, in order to then press the reinforcing fabric 1 with the legs 5 first into the still moist plaster 6 until the front ends of the legs 5 abut the wall 7. The reinforcing fabric 1 is thus integrated in the plaster 6, the net 2 being aligned parallel to the wall 7. After the plaster 6 has hardened, a second plaster layer can be applied, for example a noble plaster.
  • the reinforcement fabric 1 designed in this way and embedded in the plaster 6 has the particular advantage that the different tensions occurring in the plaster 6 are absorbed both horizontally and vertically, i.e. are derived from the legs 5 into the net 2, so that tensions with the resulting cracking in the plaster 6 are prevented.
  • the reinforcing fabric 1 is suitable for every degree of hardness of the plaster 6. Due to the pin-like design of the legs 5, the reinforcing fabric 1 can be pushed very easily into the still moist plaster 6, the legs immediately clawing into the plaster 6.
  • the reinforcing fabric 1 can be spread out on rolls or mats, for example 10 to 100 cm wide.
  • the mesh size of the net 2 can be 1 to 10 cm.
  • the length of the legs 5 depends on the thickness of the plaster 6, the leg length will mainly be in the range of 5 mm to 50 mm.
  • the second embodiment of the reinforcing fabric 1, as shown in FIGS. 3 to 8, is also based on a mesh 2 made of plastic.
  • the network 2 also consists of weft threads 3 and warp threads 4, in such a way that the weft and warp threads 3, 4 are not interwoven as in a textile fabric, but rather that the weft threads 3 lie parallel to one another in a lower plane, while the warp threads 4 lie perpendicular to this on the weft threads 3 and are connected to one another at the intersection points S, for example welded or glued to one another.
  • the legs 5 are formed in this embodiment by pins 8 made of plastic.
  • pins 8 made of plastic.
  • the shaft 9 tapers slightly towards the front at an angle of approximately 1 ° and has a tip 10 which encloses an angle of approximately 60 °.
  • the shaft 9 of the pin 8 has a head 11 which is designed as a flat cylinder. Of course, this head 11 can also have a square cross section. Between the head 11 and the shaft 9, the pin 8 has a round reduction in cross section.
  • two barb-like snap noses 12 are formed on the shaft 9 of the pin 8.
  • the pins 8 are pressed, in particular, from one side of the fabric in the area of the intersection points S through the superposed weft and warp threads 3, 4 shot through with an appropriate machine.
  • the shaft 9 emerges from the tissue on the opposite side, as can be seen in particular in FIG. 5.
  • the head 11 forms a stop which prevents further advancement of the nail-like pin 8.
  • the fabric material comes to lie in the cross-sectional reduction between the head 11 and the actual shaft 9 of the pin 8. Since the plastic fabric has a certain intrinsic elasticity, the fabric material again penetrates somewhat into the recess defined by the reduction in cross-section and thus prevents the pin 8 from being pulled out.
  • the embodiment of the pin 8 can be used, as shown in FIG 7 is shown.
  • the two snap noses 12 then grip behind the tissue on the side where the shaft 9 is located. This ensures an absolutely secure fixation of the pins 8 in the tissue.
  • the pin 8 shows a slightly modified embodiment of the pin 8 in a third variant.
  • the pin 8 has a shaft 9 which tapers at a slight angle of 2 °.
  • This shaft 9 of the pin 8 has a plate-like stop 15, which causes an enlargement of the cross section of the shaft 9.
  • This is followed by a tip 16.
  • it is pushed through the tissue with the tip 16 in front, in particular by means of a corresponding machine, until the plate-like stop 15 comes into contact with the tissue and thus the pin 8 cannot be pushed any further. Since the length of the tip 16 starting from the stop 15 is greater than the thickness of the tissue in the area where the pin 8 is pushed through, the tip 16 looks somewhat out of the tissue.
  • the tip 16 is then squeezed flat in the manner of a rivet, so that the tissue between this flat squeezed tip 16 and the stop 15 is fixed.
  • the pin 8 is thus held immovably in the tissue. An absolutely secure fixation of the pins 8 in the tissue is thus guaranteed.
  • the third embodiment of the reinforcement fabric 1, as shown in FIGS. 9 to 11, has its field of application in particular for floor screeds.
  • the mesh 2 of the reinforcing fabric 1 preferably consists of a wire mesh.
  • support frames 13 are attached, which define the legs 5 of the reinforcing fabric 1.
  • This frame can be seen in the drawings and has a plate bottom 14 at the free end, by means of which the reinforcing fabric 1 rests on the floor.
  • the support frame 13 is held by four devices for clipping onto the tissue.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Floor Finish (AREA)
  • Working Measures On Existing Buildindgs (AREA)
  • Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Reinforcement Elements For Buildings (AREA)
EP93116911A 1992-10-29 1993-10-20 Armature de tissu pour enduits, systèmes d'isolation, chape ou similaires Expired - Lifetime EP0595171B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE9214696U DE9214696U1 (de) 1992-10-29 1992-10-29 Armierungsgewebe für Putze, Dämmsysteme o.dgl.
DE9214696U 1992-10-29

Publications (2)

Publication Number Publication Date
EP0595171A1 true EP0595171A1 (fr) 1994-05-04
EP0595171B1 EP0595171B1 (fr) 1997-03-12

Family

ID=6885428

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93116911A Expired - Lifetime EP0595171B1 (fr) 1992-10-29 1993-10-20 Armature de tissu pour enduits, systèmes d'isolation, chape ou similaires

Country Status (3)

Country Link
EP (1) EP0595171B1 (fr)
AT (1) ATE150124T1 (fr)
DE (2) DE9214696U1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2774716A1 (fr) * 1998-02-12 1999-08-13 Nortene Technologies Chape, procede de realisation et structure de renforcement en matiere plastique
WO2002025034A1 (fr) * 2000-09-19 2002-03-28 James Hardie Research Pty Limited Systeme d'enduction au ciment
EP2489806A3 (fr) * 2011-02-21 2014-10-15 w&p Baustoffe GmbH Procédé de fabrication d'un enduit, notamment d'un enduit pour systèmes composites d'isolation thermique

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19705180C2 (de) * 1997-02-11 2003-06-12 Ispo Gmbh Armierungsgewebe
DE10142208B4 (de) * 2001-08-29 2006-05-24 Heidelberger Bauchemie Gmbh Marke Deitermann Vlies- oder gewebeartige Verstärkungseinlage zur Einbettung in eine Bitumenschicht

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2948271A1 (de) * 1979-11-30 1981-06-04 Mathias 8229 Piding Reichenberger Anker zur befestigung von armierungsdrahtgeflecht an bauwerken
FR2474561A1 (fr) * 1978-02-01 1981-07-31 Schenke Albert Fixateurs pour materiaux isolants
AT374534B (de) * 1981-12-23 1984-05-10 Staussziegel Ind Ges M B H Verfahren zur herstellung einer waermedaemmenden bauwerksaussenwandverkleidung

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2474561A1 (fr) * 1978-02-01 1981-07-31 Schenke Albert Fixateurs pour materiaux isolants
DE2948271A1 (de) * 1979-11-30 1981-06-04 Mathias 8229 Piding Reichenberger Anker zur befestigung von armierungsdrahtgeflecht an bauwerken
AT374534B (de) * 1981-12-23 1984-05-10 Staussziegel Ind Ges M B H Verfahren zur herstellung einer waermedaemmenden bauwerksaussenwandverkleidung

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2774716A1 (fr) * 1998-02-12 1999-08-13 Nortene Technologies Chape, procede de realisation et structure de renforcement en matiere plastique
WO2002025034A1 (fr) * 2000-09-19 2002-03-28 James Hardie Research Pty Limited Systeme d'enduction au ciment
US7204065B2 (en) 2000-09-19 2007-04-17 James Hardie International Finance B.V. Cement render system
EP2489806A3 (fr) * 2011-02-21 2014-10-15 w&p Baustoffe GmbH Procédé de fabrication d'un enduit, notamment d'un enduit pour systèmes composites d'isolation thermique

Also Published As

Publication number Publication date
EP0595171B1 (fr) 1997-03-12
ATE150124T1 (de) 1997-03-15
DE59305731D1 (de) 1997-04-17
DE9214696U1 (de) 1992-12-24

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