AT365708B - REINFORCEMENT FOR WALL PLASTERING - Google Patents

REINFORCEMENT FOR WALL PLASTERING

Info

Publication number
AT365708B
AT365708B AT0223080A AT223080A AT365708B AT 365708 B AT365708 B AT 365708B AT 0223080 A AT0223080 A AT 0223080A AT 223080 A AT223080 A AT 223080A AT 365708 B AT365708 B AT 365708B
Authority
AT
Austria
Prior art keywords
fabric
reinforcement
glass fibers
lattice
threads
Prior art date
Application number
AT0223080A
Other languages
German (de)
Other versions
ATA223080A (en
Original Assignee
Vogel Werner Ing
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 Vogel Werner Ing filed Critical Vogel Werner Ing
Priority to AT0223080A priority Critical patent/AT365708B/en
Priority claimed from AT292979A external-priority patent/AT365673B/en
Publication of ATA223080A publication Critical patent/ATA223080A/en
Application granted granted Critical
Publication of AT365708B publication Critical patent/AT365708B/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/69—General aspects of joining filaments 
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/14—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using wave energy, i.e. electromagnetic radiation, or particle radiation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/73—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/739—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/7392—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic
    • B29C66/73921—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic characterised by the materials of both parts being thermoplastics
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
    • B29C66/836—Moving relative to and tangentially to the parts to be joined, e.g. transversely to the displacement of the parts to be joined, e.g. using a X-Y table
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/87—Auxiliary operations or devices
    • B29C66/874—Safety measures or devices
    • B29C66/8744—Preventing overheating of the parts to be joined, e.g. if the machine stops or slows down
    • B29C66/87445—Preventing overheating of the parts to be joined, e.g. if the machine stops or slows down by introducing protection shields
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/71—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the composition of the plastics material of the parts to be joined
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2028/00—Nets or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/726—Fabrics

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Electromagnetism (AREA)
  • Toxicology (AREA)
  • Laminated Bodies (AREA)
  • Reinforced Plastic Materials (AREA)

Description

       

   <Desc/Clms Page number 1> 
 



   Die Erfindung betrifft eine Bewehrung für Mauerputz in Form eines kunststoffüberzogenen Glasfasergitters. 



   An Bewehrungen für Mauerputz werden hohe Anforderungen gestellt, da sie einerseits eine hohe mechanische Festigkeit und anderseits eine gute Alterungsbeständigkeit aufweisen. Man verwendet daher im allgemeinen gitterförmige Gewebe, deren Fäden aus Glasfasern bestehen. 



   Diese Gewebe werden entweder im Tauchverfahren oder mit Hilfe einer Schwammrolle mit Klebstoff beschichtet, welchem alkaliabweisende Zusätze beigemengt sind, und anschliessend getrocknet. Durch diese Massnahmen versucht man, die einzelnen Fäden gegeneinander schiebefest zu machen und die Glasfasern gegen den Angriff von alkalischen Substanzen zu schützen. Derartige Bewehrungen haben jedoch den Nachteil. dass die Schutzschicht auf den Glasfasern durch mechanische Beanspruchung leicht zu beschädigen ist. bzw. dass sie auf Grund ihrer nachträglichen Aufbringung oftmals Fehlstellen aufweist. an denen die Glasfasern frei liegen und daher dem Angriff von alkalischen Substanzen ausgesetzt sind. 



   Die Erfindung vermeidet diese Nachteile dadurch, dass das Gitter aus in an sich bekannter Weise an den Kreuzungsstellen thermoverschweissten, PVC-ummantelten Glasfasern besteht. 



   Die PVC-Ummantelung bietet hiebei einen optimalen Schutz gegen Angriffe von alkalischen Substanzen. während die Thermoverschweissung der einzelnen Fäden an ihren Kreuzungspunkten. welche durch Erhitzung des Gewebes über den Schmelzpunkt des thermoplastischen Materials durch- 
 EMI1.1 
 und insbesondere Fadenverschiebungen praktisch ausschliesst. 



   Gitterförmige Gewebe, deren Fäden aus einem Glasfaserkern und einem thermoplastischen Mantel bestehen und an ihren Kreuzungspunkten miteinander verschweisst sind. sind zwar aus der US-PS Nr. 3, 090, 102 als Insektenschutzgitter bekannt, doch sind die Probleme bei Insektenschutzgittern einerseits und bei Bewehrungen für Mauerputz anderseits nicht miteinander vergleichbar. So weisen Insektenschutzgitter sehr geringe Maschenweiten auf und werden mechanisch praktisch nicht beansprucht, so dass die thermoplastische Ummantelung der einzelnen Fäden im wesentlichen aus optischen Gründen durchgeführt wird und im übrigen die Aufgabe hat. beim Zuschneiden des Gitters auf die jeweilige Fenstergrösse ein Ablösen der Randfäden zu verhindern.

   Das erfindungsgemäss als Bewehrung für Mauerputz verwendete Gittergewebe hingegen weist bedeutend grössere Maschenweiten auf, da es auch von relativ grobem Mauerputz durchsetzt werden muss. Aus diesen Gründen konnte das vorbekannte Fliegen- bzw. Insektenschutzgitter keine Anregung zur gegenständlichen Erfindung geben. 



   Weitere Einzelheiten der Erfindung werden nachfolgend unter Bezugnahme auf die Zeichnungen erläutert. 



   Die Fig. 1 zeigt einen Ausschnitt aus einem gitterförmigen, weitmaschigen Gewebe zur Armierung von Verputz, Fig. 2 das Schema einer Einrichtung zur Herstellung des erfindungsgemässen Gewebes und Fig. 3 einen Ausschnitt aus dieser Einrichtung. 



   Das in   Fig. 1 gezeigte, gitterförmige Gewebe --20-- weist Schuss- und Kettfäden --1" und     l'-auf.   welche aus einem Kern --2-- aus Glasfasern und einer Ummantelung --3-- aus thermoplastischem Material bestehen. Dieses Gewebe ist durch kurzzeitige Erhitzung über den Schmelzpunkt des thermoplastischen Materials in den   Kreuzungspunkten     Fäden-l-verschweisst.   Die Ummantelung -3-- besteht aus PVC. Ein derartiges Gewebe ist resistent gegen Alkalien und daher besonders für die Armierung von   Aussen- und   Innenputz geeignet. 



   Die erfindungsgemässe Thermoverschweissung der Fäden in den Kreuzungsbereichen weist bei den weitmaschigen Gittergeweben besondere Vorteile auf, da die Fadenverschiebbarkeit unterbunden und die mechanische Festigkeit insbesondere bei Verwendung als Armierung daher sehr gross ist. 



   Die Fig. 2 und 3 zeigen eine Webmaschine zur Herstellung des Gittergewebes nach Fig. 1. Die Webmaschine besteht dabei in bekannter Weise aus einem   Kettbaum --5--,   Spulengatter   od. dgl..   welcher die PVC-ummantelten Glasfasern enthält, einer   Umlenkwalze --6--,   dem Webfach-7-. der Lade --8-- und dem   Brustbaum --14--.   Das fertige Gewebe wird dann über die Abzugwalze - auf einen Warenbaum --16-- aufgewickelt oder anderweitig weiterverarbeitet. Zwischen dem nach der Lade --8-- angeordneten Breithalter --9-- und dem Brustbaum --14-- ist eine Heizeinrichtung --10-- angeordnet. Diese Heizeinrichtung besteht aus einem Wärmestrahler --11-- und einem 

 <Desc/Clms Page number 2> 

 auf der gegenüberliegenden Seite des Gewebes --20-- angeordneten Reflektor --12--.

   Der Wärmestrahler --11-- ist von einer   Abzugwanne --17-- abgedeckt,   welche für die Entfernung von bei der Verschweissung entstehenden giftigen Dämpfen sorgt. Zwischen dem   Wärmestrahler --11-- und   dem Gewebe --20-- ist ein Schutzschild --13-- einschiebbar, welches eine Beschädigung des Gewebes beim i Maschinenstillstand oder beim Anfahren verhindert. Mit diesem Webstuhl kann das erfindungsgemässe   Gittergewebe   ohne jede Zeitverzögerung hergestellt werden. Das Gewebe --20-- wird bei Durchlaufen durch die Heizeinrichtung --10-- etwa 5 bis 20 s auf eine Temperatur über dem Schmelzpunkt des thermoplastischen Materials erhitzt, wodurch sich die Ummantelung --3-- der Schussund   Kettfäden-l'und l"-in   den Kreuzungsstellen --4-- miteinander verschweissen.



   <Desc / Clms Page number 1>
 



   The invention relates to a reinforcement for wall plaster in the form of a plastic-coated glass fiber grating.



   Reinforcements for wall plastering are subject to high demands because they have high mechanical strength on the one hand and good aging resistance on the other. Lattice-shaped fabrics are therefore generally used, the threads of which consist of glass fibers.



   These fabrics are coated either with the immersion process or with the aid of a sponge roller with adhesive, to which alkali-repellent additives are added, and then dried. These measures attempt to make the individual threads resistant to sliding against one another and to protect the glass fibers against the attack of alkaline substances. However, such reinforcements have the disadvantage. that the protective layer on the glass fibers is easily damaged by mechanical stress. or that it often shows defects due to its subsequent application. where the glass fibers are exposed and therefore exposed to the attack of alkaline substances.



   The invention avoids these disadvantages in that the grid consists of PVC-coated glass fibers which are thermally welded at the crossing points in a manner known per se.



   The PVC jacket offers optimal protection against attacks by alkaline substances. during the thermal welding of the individual threads at their crossing points. which is achieved by heating the fabric above the melting point of the thermoplastic material.
 EMI1.1
 and practically excludes thread shifts in particular.



   Lattice-like fabrics, the threads of which consist of a glass fiber core and a thermoplastic jacket and are welded together at their crossing points. are known from US Pat. No. 3, 090, 102 as insect screens, but the problems with insect screens on the one hand and with reinforcements for wall plaster on the other hand are not comparable. For example, insect screens have very small mesh sizes and are practically not mechanically stressed, so that the thermoplastic sheathing of the individual threads is carried out essentially for optical reasons and has the other task. to prevent the edge threads from detaching when the grid is cut to the respective window size.

   The mesh fabric used according to the invention as reinforcement for wall plaster, on the other hand, has significantly larger mesh sizes, since it must also be penetrated by relatively coarse wall plaster. For these reasons, the known fly or insect screen could not give any suggestion for the present invention.



   Further details of the invention are explained below with reference to the drawings.



   1 shows a section of a lattice-shaped, wide-mesh fabric for reinforcing plaster, FIG. 2 shows the diagram of a device for producing the fabric according to the invention, and FIG. 3 shows a section of this device.



   The lattice-shaped fabric --20-- shown in Fig. 1 has weft and warp threads --1 "and 1'-which consist of a core --2-- made of glass fibers and a sheathing --3-- made of thermoplastic This fabric is welded by short-term heating above the melting point of the thermoplastic material at the crossing points of thread 1. The sheathing -3-- is made of PVC. and interior plaster.



   The thermal welding of the threads according to the invention in the crossing areas has particular advantages in the wide-mesh lattice fabrics, since the thread displacement is prevented and the mechanical strength is therefore very great, especially when used as reinforcement.



   2 and 3 show a weaving machine for the production of the lattice fabric according to FIG. 1. The weaving machine consists in a known manner of a warp beam --5--, creel or the like .. which contains the PVC-coated glass fibers, a deflection roller --6--, the shed-7-. the ark --8-- and the chest --14--. The finished fabric is then wound up on the take-off roller - onto a fabric tree - 16-- or otherwise processed. A heating device --10-- is arranged between the spreader --9-- arranged after the drawer --8-- and the breast beam --14--. This heater consists of a heat radiator --11-- and one

 <Desc / Clms Page number 2>

 on the opposite side of the fabric --20-- arranged reflector --12--.

   The heat radiator --11-- is covered by a fume cupboard --17--, which removes the toxic fumes generated during welding. A protective shield --13-- can be inserted between the heat radiator --11-- and the fabric --20--, which prevents damage to the fabric when the machine is at a standstill or when starting up. The lattice fabric according to the invention can be produced with this loom without any time delay. When passing through the heating device --10--, the fabric --20-- is heated to a temperature above the melting point of the thermoplastic material for about 5 to 20 s, as a result of which the sheathing --3-- the weft and warp threads 1'and l "- welded together at the intersection --4--.

Claims (1)

PATENTANSPRUCH : Bewehrung für Mauerputz in Form eines kunststoffüberzogenen Glasfasergitters. dadurch gekennzeichnet. dass das Gitter aus in an sich bekannter Weise an den Kreuzungsstellen thermoverschweissen, PVC-ummantelten Glasfasern besteht.  PATENT CLAIM: Reinforcement for wall plaster in the form of a plastic-coated glass fiber grille. characterized. that the lattice consists of, in a manner known per se, thermofused, PVC-coated glass fibers at the crossing points.
AT0223080A 1979-04-19 1979-04-19 REINFORCEMENT FOR WALL PLASTERING AT365708B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT0223080A AT365708B (en) 1979-04-19 1979-04-19 REINFORCEMENT FOR WALL PLASTERING

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT292979A AT365673B (en) 1979-04-19 1979-04-19 DEVICE FOR PRODUCING A GRID-SHAPED FABRIC
AT0223080A AT365708B (en) 1979-04-19 1979-04-19 REINFORCEMENT FOR WALL PLASTERING

Publications (2)

Publication Number Publication Date
ATA223080A ATA223080A (en) 1981-06-15
AT365708B true AT365708B (en) 1982-02-10

Family

ID=25598014

Family Applications (1)

Application Number Title Priority Date Filing Date
AT0223080A AT365708B (en) 1979-04-19 1979-04-19 REINFORCEMENT FOR WALL PLASTERING

Country Status (1)

Country Link
AT (1) AT365708B (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3136026A1 (en) * 1981-09-11 1983-03-24 Synteen Gewebe Technik GmbH, 7895 Klettgau Woven reinforcing fabric for plasters
AT392994B (en) * 1988-02-18 1991-07-25 Leitl Werke Bauhuette CURTAINED EXTERNAL WALL PANELING FOR WALLS
EP0579007A3 (en) * 1992-07-17 1994-04-13 Paul Maier
EP0637658A1 (en) * 1993-07-08 1995-02-08 Bay Mills Limited Open grid fabric for reinforcing wall systems, wall segment product and methods for making same
EP0732464A1 (en) * 1994-12-02 1996-09-18 Josef Scherer Method of manufacturing reinforced coatings, especially on concrete surfaces, and associated reinforcement net

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3136026A1 (en) * 1981-09-11 1983-03-24 Synteen Gewebe Technik GmbH, 7895 Klettgau Woven reinforcing fabric for plasters
AT392994B (en) * 1988-02-18 1991-07-25 Leitl Werke Bauhuette CURTAINED EXTERNAL WALL PANELING FOR WALLS
US5552207A (en) * 1990-07-05 1996-09-03 Bay Mills Limited Open grid fabric for reinforcing wall systems, wall segment product and methods of making same
US5763043A (en) * 1990-07-05 1998-06-09 Bay Mills Limited Open grid fabric for reinforcing wall systems, wall segment product and methods of making same
EP0579007A3 (en) * 1992-07-17 1994-04-13 Paul Maier
EP0637658A1 (en) * 1993-07-08 1995-02-08 Bay Mills Limited Open grid fabric for reinforcing wall systems, wall segment product and methods for making same
EP0732464A1 (en) * 1994-12-02 1996-09-18 Josef Scherer Method of manufacturing reinforced coatings, especially on concrete surfaces, and associated reinforcement net

Also Published As

Publication number Publication date
ATA223080A (en) 1981-06-15

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