AU611026B2 - Self-adhesive combination web for preventing and making good cracks, especially in asphalt and concrete surfaces - Google Patents

Self-adhesive combination web for preventing and making good cracks, especially in asphalt and concrete surfaces Download PDF

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Publication number
AU611026B2
AU611026B2 AU34994/89A AU3499489A AU611026B2 AU 611026 B2 AU611026 B2 AU 611026B2 AU 34994/89 A AU34994/89 A AU 34994/89A AU 3499489 A AU3499489 A AU 3499489A AU 611026 B2 AU611026 B2 AU 611026B2
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AU
Australia
Prior art keywords
web
nonwoven
binder
fibers
combination
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.)
Ceased
Application number
AU34994/89A
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AU3499489A (en
Inventor
Georg FOCK
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.)
Polyfelt GmbH
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Polyfelt GmbH
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Filing date
Publication date
Application filed by Polyfelt GmbH filed Critical Polyfelt GmbH
Publication of AU3499489A publication Critical patent/AU3499489A/en
Application granted granted Critical
Publication of AU611026B2 publication Critical patent/AU611026B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
    • B32B5/26—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B32B5/022—Non-woven fabric
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B32B5/024—Woven fabric
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C11/00—Details of pavings
    • E01C11/005—Methods or materials for repairing pavings
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C11/00—Details of pavings
    • E01C11/16—Reinforcements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/02—Synthetic macromolecular fibres

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Road Paving Structures (AREA)
  • Adhesives Or Adhesive Processes (AREA)
  • Nonwoven Fabrics (AREA)
  • Revetment (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Sealing Material Composition (AREA)

Abstract

Self-adhesive multi-layer web for the prevention and sealing of crevices especially in asphalt and concrete surfaces in road construction and hydraulic engineering. The multi-layer web is made up of a reinforcing web of high modulus fibres and a thermoplastic nonwoven or woven fabric, which are bonded to each other by a flexible binder, the nonwoven or woven fabric with the binder being wider than the reinforcing web and extending beyond the latter on both sides.

Description

TO: THE COMMISSIONER OF PATENTS 1 MMONWEALTH OF AUSTRALIA 1323A/bm COMMONWEALTH OF AUSTRALIA PATENTS ACT 1952 j F o COMPLETE SPECIFICATION FOR OFFICE USE Short Title: Int. Cl: Application Number: Lodged: 0000 0 o o 0 00000 0 0 0 0 0 g Q Complete Specification-Lodged: Accepted: Lapsed: Published: Priority: Related Art: TO BE COMPLETED BY APPLICANT Name of Applicant: Address of Applicant: Actual nventor: Address for Service: POLYFELT GESELLSCHAFT m.b,H.
St. Peter-Strasse 25, A-4021 Linz, AUSTRIA GEORG FOCK GRIFFITH HACK CO.
71 YORK STREET SYDNEY NSW 2000
AUSTRALIA
Complete Specification for the invention entitled: "SELF-ADHESIVE COMBINATION WEB FOR PREVENTING AND MAKING GOOD CRACKS, ESPECIALLY IN ASPHALT AND CONCRETE
SURFACES"
The following statement is a full description of this invention, including the best method of performing it known to us:- 1323A/bm Signed: Mf" g ici Ai "^Hef7tn ia F position: 1/V GRIFFITH HASSEL FRAZER, P.O. BOX 2133, SYDNEY, NSW 2001
AUSTRALIA
1A-- Self-adhesive combination web for preventing and making good cracks, especially in asphalt and concrete surfaces.
Description The invention relates to a self-adhesive combination web for preventing and making good cracks, especially in asphalt and concrete surfaces in road construction and engineering hydraulics, comprising a reinforcing web of high-modulus fibers and a nonwoven or woven fabric of thermoplastic fibers, which are mutually bonded by an elastic binder.
Cracks in carriageways or between parts of carriageways, o 0 0o for example between individual concrete slabs, are at 00ooo00 present ma.de good above all by filling the cracks with Sbitumen and, after application of a bituminous binder or i pre-spray, covering them with one or more layers of I asphalt. Due to the subsequent stresses, the same cracks reappear sooner or later, depending on the intensity of the stresses, so that fairly soon it becomes necessary in j most cases to make the carriageway good again. There has been no lack of attempts at overcoming these disadvan- 00 tages. Thus, for example, after filling the cracks or I potholes, a nonwoven or woven fabric of thermoplastic fibers or a thermoplastic nonwoven impregnated or coated with bitumen was placed as an interlayer on top of the entire carriageway surface to be made good, and a new asphalt surfacing was applied thereto. In this way, only a certain reinforcemont and a delay in crack propagation was achievable in the covering of extreme expansion joints or cracks. Because of the high elongations of the thermoplastic webs, which are more than 10% on average, new cracks appear in the carriageway surfacing under high stress.
To eliminate these disadvantages, attempts have been made to use grid mats of glass fibers for reinforcing or bridging cracked road superstructures. The filled crack 2 is here covered with the glass fiber grid and an asphalt layer is applied thereto. Because of the low expansion of the glass fibers, which is approximately comparable with that of asphaltic concrete in the region of parts per thousand, a renewed breakthrough of the covered crack can admittedly be avoided by means of glass fiber grids and, as a result, a reinforcement can be achieved in the region of the original crack. However, it has proved to be a serious disadvantage that the grid structure of the glass fiber grid fairly soon breaks through the asphalt top layer and becomes visible as a result of traffic stress, and that new cracks, so-called secondary cracks, appear in the asphalt above all at the edges of the grid mats.
oo It is an aim of the present invention to prevent the formation of cracks in asphalt and concrete surfaces and permanently to make good already existing cracks.
It has been found that the aim may be achieved by means of a combination web of a reinforcing web of high-modulus fibers and a nonwoven or woven fabric of thermoplastic fibers, which are embedded in an elastic self-adhesive binder.
Accordingly, the invention relates to a self-adhesive combination web for preventing and making good cracks, especially in asphalt and concrete surfaces in road construction and engineering hydraulics, comprising a sheet-like reinforcing web of high-modulus fibers with a modulus of at least 15 GPa, and a nonwoven or woven fabric of theroplastic fibers, which are mutually bonded by an elastic, self-adhesive binder in such a way that the reinforcing web is fully embedded in the binder and the nonwoven or woven fabric is only partially embedded, the nonwoven or woven fabric with the binder being wider than the reinforcing web and extending beyond the reinforcing web.
>4 ;7IC~~~ 8462S/SD -3- The sheet-like reinforcing web used in the combination web can be, for example, in the form of woven fabrics or grids. Grids of high-modulus fibers, which are fixed at the crossing points, for example by means of adhesive bonding or by weaving or braiding of the fibers in the crossing points, are prsfeirid. The high-modulus fibers used in the reinforcing web can be virtually any known reinforcing fibers such as, for example, glass fibers, graphite fibers, aramide fibers, ceramic fibers or metal fibers, or fibers of polyether-ether-ketone (PEEK), fibers of glass, graphite, aramide or PEEK being preferred.
The nonwovens or woven fabrics used in the combination web consist of thermoplastic fibers, fibers of polypropylene, polyethylene, polyester or polyamide being preferred. Fibers of polypropylene are particularly preferred. Both continuous filament nonwovens and staple fiber nonwovens are used as the nonwovens, continuous filament nonwovens being preferred. The nonwovens or woven fabrics are preferably embedded in the binder up to at least half and particularly preferably up to two thirds of their thickness. Moreover, it is preferred that the nonwovens or woven fabrics with the binder extend by at least 5 cm beyond the reinforcing web to the left and to the right of the combination web.
The binders used in the combination web consist preferably of bitumen which may have been modified by polymers based, for example, on styrene butadiene, butene, an ethylene/propylene/diene monomer (EPDM) or acrylonitrile or by atactic polypropylene. Further preferred binders are polymers based on styrene, butadiene, butene, EPDM, acrylonitrile and atactic polypropylene. If appropriate, the binders can be diluted with organic solvents.
Corresponding to the stresses which are to be expected, the combination webs according to the invention can have i -4- 2 weights Der unit area of usually about 1,000 to 6,000 g/m ,preferably about 1,000 to 3,500 g/m. The weight per unit area of the noriwovens 2 or woven fabrics used is usually about 100 to 1 ,000 g/m preferably 2 about 100 to 400 g/n and that of the reinforcing webs is abo~ut 2 2 to 5,000 g/m preferably 100 to 2,500 g/rn The formation of cracks can be prevented by means of the combination web according to the invention, for example at transitions between different carriageway sections such as, for example, the joints between concrete slabs, the joint produced between the two carriageway sides or in the transition region to a bridge. The combination web is also suitable for making good refilled major holes, track grooves, frost heaves and other irregularities in road structures. A further important possible application o arises after excavation work for covering the joints after the ditches have been filled in again. Making-good and prevention or sealing of cracks in the construction of dams and canals, for example in irrigation channels, 0 0 For making good or preventing cracks in surfacee, the joint which has been filled in with a fill material, for 0000 0o example a bituminous mass, or the crack is covered by the self-adhesive combination web according to the invention 0 beyond the joint, in such a way that the self-adhesive binder comes to lie on the surface which is to be protected. In the case of minor cracks, for example, a 50 cm 0 wide combination web can be unrolled over the crack, and correspondingly wider webs have to be used for wider cracks, holes or irregularities. A pre-spray, for example a bitumen emulsion, is then applied uriformly to the entire surface which is to be protected. The absorption capacity of the surface of the combination web for the pre-spray must be approximately the same as the quantity used for the adjoining area which is to be made good.
This is achieved by embedding the nonwoven or woven fabric of the combination web to a greater or lesser depth in the binder. If a major part of the nonwoven or woven fabric is exposed, the absorption capacity for a pre-spray will be correspondingly greater than in the case of deeper embedding. Usually, about 0.2 to 0.5 kg/rn 2 of pre-spray is used in road construction. Finally, the surfdce which has been made good is usually covered by a top layer, for example an asphaltic concrete surfacing of about 2 10 cm thickness, in accordance with the stress I to be expected.
Apart from the outstanding and permanent reinforcement which is possible very simply and quickly with the conikination web according to the invention, and hence wiLth only slight interference with traffic, and without appearance of secondary cracks, a further advantage proves to be the fact that, due to the particular construction, only the region of the joint or the crack has then to be covered instead of the entire surface, whereby the consumption of material is considerably reduced.
Moreover, it is possible to cover the combination web with thinner top layers. As a result of the self-adhesive effect, furthermore, laying largely independent of the weather is possible, it being possible to apply the covering immediately after placing the combination web on top of the clean and dry surface in the crack area.
The advantageous effect of the combination web is based above all on the fact that it has a reinforcing actioi- in the core zone and a stress-relieving action in the edge zones. The stress relief is obtained by the f act that the nonwoven or woven f abric impregnated with the elastic binder protrudes laterally beyond the reinforcing web.
Movements or stress concentrations can thereby be degraded in the region of the combination web and are not transmitted to the superposed layers. In this way the areas which have been protected or made good are kept free of stress or constraint.
The combination web according to~the invention Is produced by one-sided impregnation of the reinforcing web and of the nonwoven or woven fabric with the molten -6 binder. For this purpose, for example, both webs are allowed to run over an immersed roller disposed in the binder melt, or the webs are impregnated from above by means of a metering device, for example a nozzle gap or a blade, with the binder melt, the reinforcing web located at the top being impregnated completely, but the nonwoven or woven fabric underneath not being impregnated throughout the entire thickness. A further possibility is to impregnate the two webs separately from one another and only then to lead them together. Subsequently, the combination web is squeezed off and cooled down.
Example 1: A 0.3 m wide grid of glass fibers (180 g/mz; SD 6510 K, 4 Virtulan, Federal Republic of Germany) and a 0.5 m wide and 1.5 mm thick polypropylene continuous filament nonwoven of 140 g/m 2 weight (Polyfelt* PGM 14) were impregnated with a hot melt of SBS-modified bitumen (Ddrrkuplast, Dbrr, Austria) at 15 0 °C and squeezed off in such a way that the nowoven came to lie embedded in the o 0 bitumen at a depth of 1 m. The caobination web obtained (weight ?-or unit area: 2,020 g/m thick<ness: 4 mn) was then cooled for solidaXication and the bitmin was covered by a 0.03 m polyethylene release film (Fepla-Hirsch).
Example 2: A combination web was produced analogously to Example 1, but using a glass fiber grid having a weight per unit area of 205 g/m 2 (SD 6810 K/53).
Example 3: In order to demonstrate the superior action of the combination web according to the invention, a traffic load trial was simulated. A 25 mm thick asphalt layer was applied to a 50 mm thick, circular rubber substrate of m diameter, and two mutually perpendicular, 3 mm wide r, 7 and 25 mm deep gaps were cut out along the diameter, thus simulating a crack. One gap was covered by the 0.5 m wide combination web according to the invention in accordance with Example i, and the other gap was covered with a 1 combination web in which, in contrast to that according Sto Example i, both the glass fiber grid and the polypro- 1 pylene nonwoven were 0.5 m wide. Finally, the surface was pre-sprayed with a bitumen emulsion and covered with a further asphalt layer of 50 mm thickness. Two mutually opposite rubber wheels of 225 mm diameter and 85 mm width, which were mounted on a bogey and each loaded with a weight of 1.85 kN, were allowed to rotate on this asphalt web on a circular track of 1.5 m diameter. The speed of rotation of the wheel arrangement on the asphalt web, made good according to the invention, was 25 revolutions per minute. The crack not made good according to the invention broke through as a secondary crack through S, the asphalt cover after 56,540 revolutions (corresponding to 113,080 loadings). The crack made good according to the invention did not break through as a central crack through the asphalt cover until after 91,250 revolutions (corresponding to 182,500 loadings).
2)D

Claims (11)

1. A self-adhesive combination web for preventing and making good cracks, especially in asphalt and concrete surfaces in road construction and engineering hydraulics, comprising a sheet-like reinforcing web of high-modulus fibers with a modulus of at least 15 GPa, and a nonwoven or woven fabric of thermoplastic fibers, which are mutually bonded by an elastic, self-adhesive binder in such a way that the reinforcing web is fully embedded in the binder and the nonwoven or woven fabric is only partially embedded, the nonwoven or woven fabric with the binder being wider than o the reinforcing web and extending beyond the reinforcing web. ,3
2. A combination web as claimed in claim 1, jo% wherein the binder consists of bitumen, or of bitumen which 0 0 0 15 is modified by polymers based on styrene, butadiene, butene, 0. oEPDM or acrylonitrile or by atactic polypropylene.
3. A crmbination web as claimed in claim 1, o wherein the binder consists of a polymer based on styrene, butadiene, butene, EPDM or acrylonitrile or of atactic polypropylene. 0
4. A combination web as claimed in any one of claims 1 to 3, wherein the reinforcing web consists of a o fiber grid.
A combination web as claimed in any one of claims 1 to 4, wherein the high-modulus fibers of the reinforceing web consist of glass, graphite, arami.e or polyether-ether-ketone.
6. A combination web as claimed in any one of claims 1 to 5, wherein the nonwoven or woven fabric consists of polypropylene fibers, polyethylene fibers, polyester fibers or polyamide fibers.
7. A combination web as claimed in any one of claims 1 to 6, wherein the nonwoven or Woven fabric is embedded in the binder up to at least half its thickness.
8. A combination web as claimed in any one of claims 1 to 7, wherein the nonwoven or woven fabric with the binder extends beyond the reinforcing web by at least 5 cm. S68462S/SD i 9
9. A combination web as claimed in any one of claims 1 to 8, wherein the nonwoven fabric consists of continuous filaments.
A process for preventing or making good cracks, especially in asphalt and concrete surfaces, wherein a crack infilled with a fill material, or a gap or a transition between two carriageway structures is covered by the combination web as claimed in claim 1 and the entire surface, which is to be protected or made good, is then covered or surfaced, so that the coverings or surfacings of the area protected or made good are kept free of stresses or constraints.
11. A self adhesive combination web for prevention 0 and making good cracks substantially as described herein in 0 o 0 15 conjunction with any one of the examples. o 0' DATED this 25th day of February 1991 o POLYFELT GESELLSCHAFT mb.H. o By their Patent Attorneys GRIFFITH HACK CO 0 40 S O 00 C 8462S/SD c i
AU34994/89A 1988-05-25 1989-05-19 Self-adhesive combination web for preventing and making good cracks, especially in asphalt and concrete surfaces Ceased AU611026B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT1362/88 1988-05-25
AT0136288A AT396264B (en) 1988-05-25 1988-05-25 SELF-ADHESIVE COMBINATION RAIL FOR PREVENTING AND RESTORING CRACKS, IN PARTICULAR IN ASPHALT AND CONCRETE SURFACES

Publications (2)

Publication Number Publication Date
AU3499489A AU3499489A (en) 1989-11-30
AU611026B2 true AU611026B2 (en) 1991-05-30

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AU34994/89A Ceased AU611026B2 (en) 1988-05-25 1989-05-19 Self-adhesive combination web for preventing and making good cracks, especially in asphalt and concrete surfaces

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EP (1) EP0343404B1 (en)
AT (2) AT396264B (en)
AU (1) AU611026B2 (en)
DE (1) DE58907020D1 (en)
ES (1) ES2049272T3 (en)

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US5827008A (en) * 1995-06-23 1998-10-27 Smith; Gerald R. Pavement sealing product and method
EP1039999A2 (en) * 1997-09-15 2000-10-04 Josef Scherer Reinforcing material with flexible, filler-absorptive fiber material
DE19900637B4 (en) * 1998-07-09 2010-09-30 Heilit + Woerner Bau Gmbh Process for the protection and after-treatment of concrete traffic areas
MXPA02006662A (en) * 2000-01-05 2004-09-10 Saint Gobain Technical Fabrics Smooth reinforced cementitious boards and methods of making same.
US7786026B2 (en) 2003-12-19 2010-08-31 Saint-Gobain Technical Fabrics America, Inc. Enhanced thickness fabric and method of making same
DE102013112564B4 (en) * 2013-11-14 2016-11-24 Oliver T. Meyer Methods and devices for repairing cracks in asphalt surfaces or similar surfaces
US11479924B2 (en) * 2018-01-23 2022-10-25 Propex Operating Company, Llc Millable, recyclable, waterproofing, paving fabric interlayer system and method of use
IT201800010100A1 (en) * 2018-11-07 2020-05-07 Copernit Spa COMPOSITE REINFORCEMENT SHEET ELEMENT FOR ROAD FLOORING.

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AU479459B2 (en) * 1972-12-06 1975-04-10 Tillotson Corporation Method of making a carpet
AU2048776A (en) * 1975-12-11 1978-06-15 Hitchins W G Holdings Ltd Waterproof decorative roofing
AU550439B2 (en) * 1981-09-22 1986-03-20 Milliken Research Corporation Hot melt adhesive bonded pile fabrics

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CS157029B2 (en) * 1966-11-23 1974-08-23
CH458683A (en) * 1966-12-06 1968-06-30 Schildkroet Ag Tape for covering joints
GB1394997A (en) * 1971-09-02 1975-05-21 Ruberoid Ltd Bituminous sheeting
BE793133A (en) * 1972-07-26 1973-04-16 Villadsens Fab As Jens SHEET PLASTIC MATERIAL AND ARTICLES CONTAINING SUCH MATERIAL
GB1473316A (en) * 1974-07-23 1977-05-11 Grace W R & Co Preformed laminated structures
GB1549485A (en) * 1977-05-11 1979-08-08 Magyar Asvanyolaj Es Foeldgaz Laminated coating system for insulation
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CA1181542A (en) * 1980-04-23 1985-01-22 Romolo Gorgati Bitumen, atactic polypropylene and propylene/ethylene copolymer compositions and water-proofing membranes using the same
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DE3147347C2 (en) * 1981-11-30 1983-09-29 Alfred Kunz GmbH & Co, 8000 München Insulating layer for concrete or steel structures
US4508770A (en) * 1984-03-19 1985-04-02 Owens-Corning Fiberglas Corporation Road repair material of knitted unidirectional glass roving mat coated with elastomeric modified asphalt
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AU479459B2 (en) * 1972-12-06 1975-04-10 Tillotson Corporation Method of making a carpet
AU2048776A (en) * 1975-12-11 1978-06-15 Hitchins W G Holdings Ltd Waterproof decorative roofing
AU550439B2 (en) * 1981-09-22 1986-03-20 Milliken Research Corporation Hot melt adhesive bonded pile fabrics

Also Published As

Publication number Publication date
ATE101824T1 (en) 1994-03-15
DE58907020D1 (en) 1994-03-31
AU3499489A (en) 1989-11-30
EP0343404B1 (en) 1994-02-23
EP0343404A3 (en) 1990-12-27
ES2049272T3 (en) 1994-04-16
AT396264B (en) 1993-07-26
ATA136288A (en) 1992-11-15
EP0343404A2 (en) 1989-11-29

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