EP0176847B1 - Multilayered fabric - Google Patents

Multilayered fabric Download PDF

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Publication number
EP0176847B1
EP0176847B1 EP85111672A EP85111672A EP0176847B1 EP 0176847 B1 EP0176847 B1 EP 0176847B1 EP 85111672 A EP85111672 A EP 85111672A EP 85111672 A EP85111672 A EP 85111672A EP 0176847 B1 EP0176847 B1 EP 0176847B1
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EP
European Patent Office
Prior art keywords
fiber web
laminate
synthetic
mineral
fibers
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP85111672A
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German (de)
French (fr)
Other versions
EP0176847A3 (en
EP0176847A2 (en
Inventor
Wolfgang Greiser
Kurt Plötz
Hans Dr. Wagner
Karl-Christian Zerfass
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.)
Hoechst AG
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Hoechst AG
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Filing date
Publication date
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Publication of EP0176847A2 publication Critical patent/EP0176847A2/en
Publication of EP0176847A3 publication Critical patent/EP0176847A3/en
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Publication of EP0176847B1 publication Critical patent/EP0176847B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/44—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling
    • D04H1/46—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres
    • D04H1/498—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties the fleeces or layers being consolidated by mechanical means, e.g. by rolling by needling or like operations to cause entanglement of fibres entanglement of layered webs
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/4209—Inorganic fibres
    • D04H1/4218—Glass fibres
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
    • D04H1/40—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties
    • D04H1/42—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres from fleeces or layers composed of fibres without existing or potential cohesive properties characterised by the use of certain kinds of fibres insofar as this use has no preponderant influence on the consolidation of the fleece
    • D04H1/4326—Condensation or reaction polymers
    • D04H1/435—Polyesters
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
    • D04H3/002—Inorganic yarns or filaments
    • D04H3/004—Glass yarns or filaments
    • D—TEXTILES; PAPER
    • D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
    • D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
    • D04H5/00—Non woven fabrics formed of mixtures of relatively short fibres and yarns or like filamentary material of substantial length
    • D04H5/02—Non woven fabrics formed of mixtures of relatively short fibres and yarns or like filamentary material of substantial length strengthened or consolidated by mechanical methods, e.g. needling
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/20—Coated or impregnated woven, knit, or nonwoven fabric which is not [a] associated with another preformed layer or fiber layer or, [b] with respect to woven and knit, characterized, respectively, by a particular or differential weave or knit, wherein the coating or impregnation is neither a foamed material nor a free metal or alloy layer
    • Y10T442/2213—Coating or impregnation is specified as weather proof, water vapor resistant, or moisture resistant
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/20—Coated or impregnated woven, knit, or nonwoven fabric which is not [a] associated with another preformed layer or fiber layer or, [b] with respect to woven and knit, characterized, respectively, by a particular or differential weave or knit, wherein the coating or impregnation is neither a foamed material nor a free metal or alloy layer
    • Y10T442/2221—Coating or impregnation is specified as water proof
    • Y10T442/2254—Natural oil or wax containing
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
    • Y10T442/659—Including an additional nonwoven fabric
    • Y10T442/666—Mechanically interengaged by needling or impingement of fluid [e.g., gas or liquid stream, etc.]
    • Y10T442/667—Needled
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/60—Nonwoven fabric [i.e., nonwoven strand or fiber material]
    • Y10T442/682—Needled nonwoven fabric
    • Y10T442/684—Containing at least two chemically different strand or fiber materials
    • Y10T442/685—Containing inorganic and polymeric strand or fiber materials

Definitions

  • the present invention relates to a laminate with improved mechanical properties and improved fire behavior when used as a carrier sheet for roofing and sealing sheets.
  • roofing and sealing sheets are usually provided with a one or both-sided bitumen layer, but can also have a coating of elastomers or plastomers.
  • a laminate of a synthetic fiber fleece and a mineral fiber fleece from DE-GM 77 39 489 is known as a carrier web for roofing membranes.
  • the two non-woven layers made of synthetic and mineral fiber material are bonded to one another there by binding or gluing.
  • Thermoplastic and crosslinking thermosets are used for this.
  • Such carrier sheets lead to roofing and waterproofing sheets with sufficiently high processing stability when bituminizing and laying. Their dimensional stability even allows single-layer installation on the roof. The fire behavior of these roofing membranes according to DIN 4102, part 7, is significantly improved by the mineral fiber layer.
  • the laminate suitable as a carrier sheet for roofing and sealing sheets consists of a pre-consolidated synthetic fiber fleece and a pre-consolidated mineral fiber fleece, which are connected to one another by needling, and that the connection is made by synthetic fibers of the synthetic fiber fleece which pull the mineral fiber fleece through.
  • the synthetic fiber fleece preferably consists of polyester fibers, usually of polyethylene terephthalate.
  • Filament nonwovens so-called spunbonds, as are e.g. are described in DE-OS 24 60 755, which in turn are pre-consolidated by needling or other methods known per se.
  • a number of needling stitches of about 10% of the total number of stitches required to connect the two layers of the laminate according to the invention is sufficient.
  • Preferred basis weights of the filament nonwovens are between 50 and 350 g / m 2, the individual titers between 3 and 8 dtex, especially between 4 and 6 dtex.
  • Glass fiber fleeces are preferred as mineral fiber fleece, especially in the form of staple fiber fleeces.
  • Wet-laid staple fiber nonwovens have proven particularly useful.
  • Nonwovens made from ceramic fibers have also proven their worth.
  • the fleece weight of the mineral fiber fleece is usually between 10 and 100 g / m2, preferably between 30 and 60 g / m2.
  • Such nonwovens describe, for example, EP-OS 19 465, EP-OS 25 115 or DE-OS 31 43 586.
  • the two pre-consolidated nonwovens are needled using the known methods.
  • the needling should be 10 to 100 stitches / cm2, preferably between 20 and 50 stitches / cm2.
  • the needling is carried out in such a way that the needles first pierce the synthetic fiber fleece and then penetrate the mineral fiber fleece underneath.
  • the stitch depth depends on the fleece thickness. It lies between 6 and 11 mm and leads to a firm positive connection of the synthetic fiber fleece with the mineral fiber fleece with the aid of the synthetic fibers pulled through the latter.
  • 1 means the mineral fiber fleece
  • 2 the synthetic fiber fleece

Abstract

A multilayered fabric which when used as support material for built-up roofing and sealing membranes shows not only good fire properties but also improved mechanical properties is obtained by needling together two preconsolidated fibre webs, one of which consists of synthetic fibres and the other of mineral fibres. The needling produces a strong positive bond between the two webs, which prevents the parting of the two layers under extreme thermomechanical conditions.

Description

Die vorliegende Erfindung betrifft einen Schichtstoff mit verbesserten mechanischen Eigenschaften und verbessertem Brandverhalten bei Einsatz als Trägerbahn für Dach- und Dichtungsbahne Solche Dach- und Dichtungsbahnen sind meist mit einer ein- oder beidseitigen Bitumenschicht versehen, können aber auch eine Beschichtung aus Elastomeren oder Plastomeren aufweisen.The present invention relates to a laminate with improved mechanical properties and improved fire behavior when used as a carrier sheet for roofing and sealing sheets. Such roofing and sealing sheets are usually provided with a one or both-sided bitumen layer, but can also have a coating of elastomers or plastomers.

Aus der DE-OS 32 26 041 ist es bekannt, auf ein loses, d.h. unverfestigtes, Mineralfaservlies eine dünne Schicht von ebenfalls losen Kunststoffasern aufzubringen und diesen Schichtstoff durch Nadeln zu verfestigen. Durch eine Hitzebehandlung ist es möglich, die Kunststoffasern mit den Mineralfasern zu verschmelzen. Durch dieses Verschmelzen werden formstabile Mineralfaserblankets erhalten.From DE-OS 32 26 041 it is known to refer to a loose, i.e. unconsolidated, mineral fiber fleece to apply a thin layer of also loose plastic fibers and to consolidate this laminate with needles. Heat treatment makes it possible to fuse the plastic fibers with the mineral fibers. This fusing results in stable mineral fiber blanks.

Als Trägerbahn für Dachbahnen ist ein Schichtstoff aus einem Synthesefaservlies und einem Mineralfaservlies aus dem DE-GM 77 39 489 bekannt. Die beiden Vliesschichten aus synthetischem und mineralischem Fasermaterial sind dort durch Binden oder Kleben miteinander verbunden. Verwendet werden hierzu thermoplastische und Vernetzende Duromere.A laminate of a synthetic fiber fleece and a mineral fiber fleece from DE-GM 77 39 489 is known as a carrier web for roofing membranes. The two non-woven layers made of synthetic and mineral fiber material are bonded to one another there by binding or gluing. Thermoplastic and crosslinking thermosets are used for this.

Solche Trägerbahnen führen zu Dach- und Dichtungsbahnen mit hinreichend hoher Verarbeitungsstabilität beim Bituminieren und bei der Verlegung. Ihre Dimensionsstabilität erlaubt sogar einlagige Verlegung auf dem Dach. Das Brandverhalten dieser Dachbahnen nach DIN 4102, Teil 7, ist durch die Mineralfaserschicht deutlich verbessert.Such carrier sheets lead to roofing and waterproofing sheets with sufficiently high processing stability when bituminizing and laying. Their dimensional stability even allows single-layer installation on the roof. The fire behavior of these roofing membranes according to DIN 4102, part 7, is significantly improved by the mineral fiber layer.

Trägerbahnen aus Mischvliesen aus mineralischen und synthetischen Fasern wie sie im DE-GM 77 23 547 beschrieben sind, ergeben dagegen keine nennenswerte Verbesserung des Brandverhaltens.Carrier sheets made of mixed nonwovens made of mineral and synthetic fibers as described in DE-GM 77 23 547, however, do not result in any noteworthy improvement in fire behavior.

Als einziger Nachteil der bekannten Schichtstoffe aus einer mineralischen und einer synthetischen Faserschicht bleibt die Neigung zur Delaminierung der beiden Schichten unter extremen thermomechanischen oder mechanischen Bedingungen.The only disadvantage of the known laminates consisting of a mineral and a synthetic fiber layer remains the tendency to delaminate the two layers under extreme thermomechanical or mechanical conditions.

Es ist daher Aufgabe der vorliegenden Erfindung unter Wahrung aller Vorteile der bekannten Schichtstoffe für Trägerbahnen für Dach- und Dichtungsbahnen, auch noch diesen Nachteil zu überwinden.It is therefore an object of the present invention, while maintaining all the advantages of the known laminates for carrier sheets for roofing and sealing sheets, to overcome this disadvantage.

Erfindungsgemäß besteht deshalb der als Trägerbahn für Dach- und Dichtungsbahnen geeignete Schichtstoff aus einem vorverfestigten Synthesefaservlies und einem vorverfestigten Mineralfaservlies, die durch Vernadelung miteinander verbunden sind und daß die Verbindung durch Synthesefasern des Synthesefaservlieses, die das Mineralfaservlies durchzieh bewirkt wird.According to the invention, therefore, the laminate suitable as a carrier sheet for roofing and sealing sheets consists of a pre-consolidated synthetic fiber fleece and a pre-consolidated mineral fiber fleece, which are connected to one another by needling, and that the connection is made by synthetic fibers of the synthetic fiber fleece which pull the mineral fiber fleece through.

Das Synthesefaservlies besteht bevorzugt aus Polyesterfasern, meist aus Polyäthylenterephthalat. Besonders bevorzugt werden Filamentvliesstoffe, sogenannte spunbonds, wie sie z.B. in der DE-OS 24 60 755 beschrieben werden, die ihrerseits durch Vernadelung oder sonstige an sich bekannte Verfahren vorverfestigt sind. Für die Vorverfestigung durch Vernadeln genügt hierbei eine Vernadelungsstichzahl von ca. 10 % der zur Verbindung der beiden Schichten des erfindungsgemäßen Schichtstoffs benötigten Gesamtstichzahl. Bevorzugte Flächengewichte der Filamentvliesstoffe liegen zwischen 50 und 350 g/m², die Einzeltiter zwischen 3 und 8 dtex, speziell zwischen 4 und 6 dtex.The synthetic fiber fleece preferably consists of polyester fibers, usually of polyethylene terephthalate. Filament nonwovens, so-called spunbonds, as are e.g. are described in DE-OS 24 60 755, which in turn are pre-consolidated by needling or other methods known per se. For pre-consolidation by needling, a number of needling stitches of about 10% of the total number of stitches required to connect the two layers of the laminate according to the invention is sufficient. Preferred basis weights of the filament nonwovens are between 50 and 350 g / m 2, the individual titers between 3 and 8 dtex, especially between 4 and 6 dtex.

Als Mineralfaservlies werden Glasfaservliese bevorzugt, speziell in Form von Stapelfaservliesen. Besonders haben sich naß gelegte Stapelfaservliese bewährt. Bewährt haben sich aber auch Vliesstoffe aus keramischen Fasern. Das Vliesgewicht der Mineralfaservliese liegt meist zwischen 10 und 100 g/m², bevorzugt zwischen 30 und 60 g/m². Derartige Vliese beschreiben z.B. die EP-OS 19 465, die EP-OS 25 115 oder die DE-OS 31 43 586. Zur Herstellung des erfindungsgemäßen Schichtstoffs werden die beiden vorverfestigten Vliese nach den bekannten Verfahren miteinander vernadelt. Die Vernadelung soll 10 bis 100 Stiche/cm², bevorzugt zwischen 20 und 50 Stichen/cm², betragen. Dabei erfolgt die Vernadelung so, daß die Nadeln zuerst in das Synthesefaservlies einstechen und dann das darunterliegende Mineralfaservlies durchdringen. Die Stichtiefe richtet sich selbstverständlich nach den Vliesstärken. Sie liegt zwischen 6 und 11 mm und führt zu einer festen formschlüssigen Verbindung des Synthesefaservlieses mit dem Mineralfaservlies mit Hilfe der durch letzteres durchgezogenen Synthesefasern.Glass fiber fleeces are preferred as mineral fiber fleece, especially in the form of staple fiber fleeces. Wet-laid staple fiber nonwovens have proven particularly useful. Nonwovens made from ceramic fibers have also proven their worth. The fleece weight of the mineral fiber fleece is usually between 10 and 100 g / m², preferably between 30 and 60 g / m². Such nonwovens describe, for example, EP-OS 19 465, EP-OS 25 115 or DE-OS 31 43 586. To produce the laminate according to the invention, the two pre-consolidated nonwovens are needled using the known methods. The needling should be 10 to 100 stitches / cm², preferably between 20 and 50 stitches / cm². The needling is carried out in such a way that the needles first pierce the synthetic fiber fleece and then penetrate the mineral fiber fleece underneath. Of course, the stitch depth depends on the fleece thickness. It lies between 6 and 11 mm and leads to a firm positive connection of the synthetic fiber fleece with the mineral fiber fleece with the aid of the synthetic fibers pulled through the latter.

Die beigefügte Zeichnung zeigt einen Ausschnitt aus dem erfindungsgemäßen Schichtstoff. Dabei bedeutet 1 das Mineralfaservlies, 2 das Synthesefaservlies.The accompanying drawing shows a section of the laminate according to the invention. 1 means the mineral fiber fleece, 2 the synthetic fiber fleece.

Claims (6)

  1. A laminate as a carrier web for roofing and sealing sheets which is made of a batt of synthetic fibers and a batt of mineral fibers, which comprises a preconsolidated synthetic fiber web and a preconsolidated mineral fiber web bonded to each other by needling, the bondings being caused by synthetic fibers of the synthetic fiber web penetrating into the mineral fiber web.
  2. The laminate as claimed in claim 1, wherein the synthetic fiber web comprises polyethylene terephthalate fibers.
  3. The laminate as claimed in claims 1 or 2, wherein the synthetic fiber web is a filament nonwoven which has been preconsolidated by methods known per se.
  4. The laminate as claimed in claim 3, wherein the basis weight of the filament nonwoven is 50 to 350 g/m² given a filament linear density of 3 to 8 dtex.
  5. The laminate as claimed in at least one of claims 1 to 4, wherein the mineral fiber web is a wet-laid staple fiber web.
  6. The laminate as claimed in at least one of claims 1 to 5, wherein the mineral fiber web has a basis weight of between 30 and 60 g/m².
EP85111672A 1984-09-28 1985-09-16 Multilayered fabric Expired - Lifetime EP0176847B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3435643 1984-09-28
DE19843435643 DE3435643A1 (en) 1984-09-28 1984-09-28 LAMINATE

Publications (3)

Publication Number Publication Date
EP0176847A2 EP0176847A2 (en) 1986-04-09
EP0176847A3 EP0176847A3 (en) 1989-04-26
EP0176847B1 true EP0176847B1 (en) 1992-07-01

Family

ID=6246606

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85111672A Expired - Lifetime EP0176847B1 (en) 1984-09-28 1985-09-16 Multilayered fabric

Country Status (10)

Country Link
US (1) US5017426A (en)
EP (1) EP0176847B1 (en)
JP (1) JPS6184238A (en)
AT (1) ATE77855T1 (en)
AU (1) AU4797585A (en)
CA (1) CA1297281C (en)
DE (3) DE3435643A1 (en)
FI (1) FI94937C (en)
NO (1) NO173665C (en)
ZA (1) ZA857469B (en)

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Also Published As

Publication number Publication date
EP0176847A3 (en) 1989-04-26
DE3605830A1 (en) 1987-08-27
ZA857469B (en) 1986-06-25
DE3586276D1 (en) 1992-08-06
CA1297281C (en) 1992-03-17
FI853681A0 (en) 1985-09-25
FI94937C (en) 1995-11-27
US5017426A (en) 1991-05-21
NO173665B (en) 1993-10-04
EP0176847A2 (en) 1986-04-09
NO173665C (en) 1994-01-12
JPH0579020B2 (en) 1993-11-01
FI94937B (en) 1995-08-15
JPS6184238A (en) 1986-04-28
AU4797585A (en) 1986-04-10
NO853811L (en) 1986-04-01
FI853681L (en) 1986-03-29
DE3435643A1 (en) 1986-04-10
ATE77855T1 (en) 1992-07-15

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