EP0736629B1 - Procédé et machine de mise en oeuvre d'une couche d'accrochage et revêtement routier comprenant une telle couche - Google Patents
Procédé et machine de mise en oeuvre d'une couche d'accrochage et revêtement routier comprenant une telle couche Download PDFInfo
- Publication number
- EP0736629B1 EP0736629B1 EP96400585A EP96400585A EP0736629B1 EP 0736629 B1 EP0736629 B1 EP 0736629B1 EP 96400585 A EP96400585 A EP 96400585A EP 96400585 A EP96400585 A EP 96400585A EP 0736629 B1 EP0736629 B1 EP 0736629B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- bituminous
- layer
- emulsion
- process according
- agent
- 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
Links
- 239000012790 adhesive layer Substances 0.000 title 1
- 239000010410 layer Substances 0.000 title 1
- 239000000839 emulsion Substances 0.000 abstract 3
- 239000003795 chemical substances by application Substances 0.000 abstract 2
- 229920000642 polymer Polymers 0.000 abstract 2
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 abstract 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 abstract 1
- 239000000853 adhesive Substances 0.000 abstract 1
- 230000001070 adhesive effect Effects 0.000 abstract 1
- 239000003945 anionic surfactant Substances 0.000 abstract 1
- 239000010426 asphalt Substances 0.000 abstract 1
- 239000011230 binding agent Substances 0.000 abstract 1
- 125000002091 cationic group Chemical group 0.000 abstract 1
- 229920001577 copolymer Polymers 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 150000003839 salts Chemical class 0.000 abstract 1
- 239000004094 surface-active agent Substances 0.000 abstract 1
Images
Classifications
-
- 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
- E01C7/00—Coherent pavings made in situ
- E01C7/08—Coherent pavings made in situ made of road-metal and binders
- E01C7/18—Coherent pavings made in situ made of road-metal and binders of road-metal and bituminous binders
- E01C7/185—Isolating, separating or connecting intermediate layers, e.g. adhesive layers; Transmission of shearing force in horizontal intermediate planes, e.g. by protrusions
-
- 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
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/12—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for distributing granular or liquid materials
- E01C19/16—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for distributing granular or liquid materials for applying or spreading liquid materials, e.g. bitumen slurries
- E01C19/17—Application by spraying or throwing
- E01C19/176—Spraying or throwing elements, e.g. nozzles; Arrangement thereof or supporting structures therefor, e.g. spray-bars
Definitions
- the invention is in the field of the implementation of road-type coatings, and more specifically concerns the process for obtaining a bonding layer allowing the bonding, of a layer of bituminous mixes on a support (see document GB-A-2 167 975).
- the invention also relates to the coating of the type road including a bonding layer obtained by the process.
- the invention also relates to a construction machine allowing the implementation of this process.
- the realization of a coating, of road type, results from the implementation of successive layers.
- at least one bituminous layer covers a lower layer, called the support layer.
- the nature of the support layer can be relatively varied, in concrete, paved, or bituminous mixes for example.
- the state of this support is also the subject of many variations. he can be new or old, poor or worn, rough or smooth, wet or dry, dusty or not, etc.
- a bonding layer makes it possible to ensure bonding between the layer of bituminous mixes and its support. Its role is also to ensure the impermeability of the roadway. In general, this layer is avoided from an anhydrous binder which presents a risk of trapping the fluxes between the two layers situated on either side, and that the low dosages of bituminous binder to be used for the bonding layers are incompatible with traditional spreading methods: 300 to 600 grams of residual bitumen per m 2 .
- the roadway includes several successive layers of asphalt. These layers are linked together by a bonding layer. Layer lower asphalt then plays, opposite the layer of attachment, the role of support layer.
- the top layer of the roadway is coated with a surface coating.
- This deposit allows restore certain surface properties, in particular roughness and impermeability, with worn coating.
- These coatings are composed of hydrocarbon binders, made fluid for spreading either in the form of an aqueous emulsion or by addition of light distillation fractions to bitumen petroleum or coal. They may be anhydrous coatings which are mixtures of bitumens and hydrocarbon products.
- This bonding layer is generally produced with a cationic emulsion of pure bitumen or modified bitumen.
- the usual recommended dosages are between 300 and 600 g of residual bitumen per m 2 . The dosage depends on the state of the support and the nature of the mix used.
- an emulsion layer is deposited by a machine of the type spreader, comprising a tank and a spreading ramp.
- the application is made on several tens of meters, sometimes a few hundred, ahead of an implementation workshop work and deposit of a bituminous mix.
- the breaking time of the emulsions used is generally longer than 30 minutes, so that truck tires, supplying the site, driving on the fresh layer, reduce in places the thickness of the residual layer and cause pollution, by bitumen training, the paths they take by the after.
- elements of this bonding layer are carried by the paver tracks, used for depot of the asphalt layer, which rolls over the bonding layer. This premature degradation of the bonding layer locally causes the emulsion to rise through the mix, causing the surface to be glazed.
- the support has a weak cohesion, the detachment by bonding layer plate, causing part of the support elements, leads to the formation of holes and bumps. In all cases, the defect of the bonding layer between the two layers of bituminous mixes, due to its tearing, induces a very irregular bonding and therefore insufficient of these two layers between them.
- the wheels or the tracks of the mobile assembly are caused to circulate on the freshly spread layer, and therefore to degrade it.
- the pavers are intended coatings on wide pavements variable, it is then necessary to provide a device for adjustable ramps.
- the travel speeds of the finisher (3m / min to 6m / min) are much slower than those conventional spreaders (30m / min to 150m / min). The result that the flow rate of the binder must be adapted. All of these conditions leads to complex ramp arrangements, and to delicate adjustment conditions, making it difficult to drive to achieve a very homogeneous bonding layer.
- This method also leads to difficulties supply of different materials, on vehicles, whose range is not always synchronized.
- drying and breaking the emulsion are made in a very short time, by setting in contact with the bonding layer with hot mixes. This results in an impossibility of controlling the layer. attachment thus produced, both in quantity and in quality.
- the object of the invention is to avoid these drawbacks. It is also to have a process allowing a rupture rapid bituminous emulsion, no sticking to tires of supplying vehicles and vehicles which would accidentally circulate on this layer freshly spread, good resistance to the passage of paver tracks, to adapt the viscosity of the binder the emulsion used under local climatic conditions, ensure perfect bonding of the bonding layer to the support, and more particularly when it is wet, and again to allow the possibility of carrying out quality and quantity checks on the bonding layer Implementation.
- Another object of the invention is to have the road-type coating including a bonding layer obtained by this process.
- Yet another goal is to have a construction of pavements allowing the implementation of this process.
- the application of the surfactant on the support leads to a significant improvement in the bonding of the layer of attachment to it, whatever its nature and state.
- the emulsion used is either a pure bitumen emulsion, or an emulsion of bitumen modified by polymers. This emulsion has no flux. This quality allows avoid any rise of these fluxes in the mix. This rise is likely to soften the binder of the mix surface, and thus cause the appearance of areas repeated, ruts or holes, by traffic.
- the breaking agent is sprayed onto the emulsion brush bituminous falling from the spreader.
- the breaking agent is projected onto bituminous emulsion, in this particular case, the solution of the breaking agent is sprayed simultaneously with the emulsion bituminous falling from the spreader.
- This provision although than preferred, is not essential. It allows the rupture in the mass, of the bituminous emulsion.
- the bituminous emulsion comprises a binder whose content is between 40 and 70% by weight.
- Bitumen used for the constitution of the emulsion is taken from classes 180/220, 70/100, 60/70, 35/50, and 25/35. This process allows the use of a bitumen emulsion hard.
- the choice of emulsion used can be made by suitability for climatic, temperature and humidity, relative to the period and place of placing of the process.
- the breaking agent applied is an aqueous solution of at least minus one of the products taken from the list of strong bases, anionic surfactants or anionic polymers.
- the agent of applied rupture is an aqueous solution of at least one of products put in the list of strong acids, surfactants cationic, or cationic polymers, for example of the type quaternary ammonium.
- the breaking agent is a anionic polymer, which due to its charge and its long chain molecular structure promotes agglomeration bitumen particles.
- anionic polymer is meant, salts of polymers or copolymers based on acid acrylic, e.g. sodium polyacrylate, ammonium or potassium, or a sodium salt of a copolymer acrylic acid and acrylamide.
- it is about anionic polymers in neutral pH medium, not only in medium of acidic pH
- the invention also relates to a coating of the type road, composed of successive layers, comprising at least a support layer and a bituminous layer. At least one bituminous layer connected to a lower layer by through a bonding layer obtained by the method according to the invention or one of these particular modes of Implementation.
- the invention also relates to a machine for pavement construction, comprising on a chassis, mounted on displacement means, spreading means of a bituminous emulsion, and also comprising means application of a surfactant and means application of a composition disrupting agent bituminous.
- This machine thus allows the implementation of the process obtaining a bonding layer according to the invention.
- Figure 1 shows a side view of a pavement construction, allowing the implementation of method according to the invention.
- Figure 2 represents, a detail of all of the spreading and application means equipping the vehicle with the car 1.
- the pavement construction machine 1 shown in Figure 1 is of the spreader type. It features on a chassis, mounted on displacement means 2, means for spreading 9 a bituminous emulsion 5. This machine 1 also includes means for applying an agent surfactant 6 and, other means of application 11, of an agent 7 of the bituminous composition 5.
- a first application means 10 consisting of a ramp provided with nozzles, allows to deposit on the support layer 4 a solution of surfactant 6. On this layer 4 thus treated, is spread a bituminous solution 5.
- a solution of rupture agent 7 is sprayed simultaneously onto the emulsion.
- the breaking agent 7 is applied to the brush 8 of the bituminous emulsion 5.
- the brush 8 of the emulsion corresponds to the product included in the zone located between the spreading means 9 and the ground.
- the breaking agent 7 is sprayed onto the emulsion bituminous 5, and preferably on the brush 8 of the emulsion.
- An equivalent solution also consists in projecting breaking agent 7 on only part of the brush 8 emulsion. This part can be located in half lower of the brush 8.
- the angle of incidence of the jet of rupture 7 can be chosen according to the power of the jet, products used and weather conditions.
- breaking hydrocarbon emulsions are known: their action generally results from a neutralization reaction or even from precipitation of the emulsified medium.
- the nature of the breaking agent depends essentially on the emulsified bitumen and the emulsifying agent.
- the breaking agent can be an aqueous solution, of concentration between 5 and 35%, of a strong mineral base, such as sodium hydroxide, or of an anionic surfactant, such as an alkyl (C 10 -C 20 ) sulfate, or a mixture thereof.
- the quantity of solution of breaking agent projected generally corresponds to 0.2 to 1% by weight of agent relative to the weight of the emulsion to be treated.
- emulsion of hard bitumen 35/50 penetration, preferably with a binder content between 55 and 65% by weight.
- Temperature of application of the emulsion being between 60 and 80 ° C.
- bituminous emulsion 5 contains 60% of pure bitumen, of class 35/60, the chemical formula of which comprises 0.3% by weight of imidazopolyamine.
- the application temperature of this emulsion is between 60 and 80 ° C.
- the dosage of this emulsion corresponds to an amount of 1 kg / m 2 .
- the surfactant emulsion 6 is a preparation based on alkylamido polyamine and alkyl imidazo polyamine in organic solution, with dilution corresponding to one part of pure product for nine parts of water. This solution being applied at room temperature, and at a dosage of 50 g / m 2 .
- emulsion A a solution without breaking agent
- emulsion B a solution of an anionic breaking agent
- emulsion C a solution of anionic polymeric breaking agent.
- the solution of the breaking agent 7 corresponds to the dilution of one part of pure product for two parts of water.
- the application is made at room temperature, and the dosage corresponds to an amount of 6 g / m 2 of pure product.
- Emulsion A does not allow a speed of rupture of the bituminous emulsion 5 less than 15 min. This causes sticking phenomena, and poor quality of the bonding layer thus deposited.
- the process for obtaining a bonding layer, using emulsion C, can be produced on a support wet and / or slightly dusty, the bonding layer retaining the properties mentioned above.
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Paving Structures (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Road Repair (AREA)
- Road Paving Machines (AREA)
- Road Signs Or Road Markings (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Lining And Supports For Tunnels (AREA)
Description
- application d'un agent tensioactif sur le support,
- application de la composition bitumineuse,
- application d'un agent de rupture.
Claims (10)
- Procédé d'obtention d'une couche d'accrochage (3) d'une couche d'enrobés bitumineux sur un support (4) par répandage d'une émulsion bitumineuse (5), caractérisé en ce qu'il comprend les étapes suivantes:application d'un agent tensioactif (6) sur le support (4),application de l'émulsion bitumineuse (5),application d'un agent de rupture (7).
- Procédé selon la revendication 1, caractérisé en ce que l'agent de rupture (7) est projeté sur le pinceau (8) d'émulsion bitumineuse (5) tombant de la répandeuse (1).
- Procédé selon l'une des revendications 1 et 2, caractérisé en ce que l'émulsion bitumineuse (5) comprend un liant dont la teneur est comprise entre 40 et 70% en poids.
- Procédé selon l'une des revendications 1 à 3, caractérisé en ce que l'émulsion bitumineuse (5) comprend un bitume pris parmi les classes 180/220, 70/100, 60/70, 35/50 et 25/35.
- Procédé selon l'une des revendications 1 à 4, caractérisé en ce que l'émulsion bitumineuse (5) répandue est du type cationique, et que l'agent de rupture (7) appliqué, est une solution aqueuse d'au moins l'un des produits pris parmi les bases fortes, les tensioactifs anioniques et les polymères anioniques.
- Procédé selon la revendication 5, caractérisé en ce que lesdits polymères anioniques sont des sels de polymères ou de copolymères à base d'acide acrylique.
- Procédé selon l'une des revendications 1 à 4, caractérisé en ce que l'émulsion bitumineuse (5) répandue est une émulsion anionique et que l'agent de rupture (7) appliqué est une solution aqueuse d'au moins l'un des produits pris parmi les acides forts, les tensioactifs cationiques, et les polymères cationiques.
- Procédé selon la revendication 7, caractérisé en ce que lesdits polymères cationiques sont de type ammonium quaternaire.
- Revêtement de type routier, composé de couches successives, comprenant au moins une couche-support (4) et une couche bitumineuse, caractérisé en ce qu'au moins une couche bitumineuse est reliée à une couche inférieure par l'intermédiaire d'une couche d'accrochage (3) obtenue par le procédé selon l'une des revendications précédentes.
- Machine (1) de construction de chaussée comportant sur un châssis, monté sur des moyens (2) de déplacement, des moyens d'épandage (9) d'une émulsion bitumineuse (5), caractérisée en ce qu'elle comprend également des moyens d'application (10) d'un agent tensioactif (6) et, d'autres moyens d'applications (11), d'un agent de rupture (7) de la composition bitumineuse (5).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9503636A FR2732369B1 (fr) | 1995-03-28 | 1995-03-28 | Procede et machine de mise en oeuvre d'une couche d'accrochage et revetement routier comprenant une telle couche |
FR9503636 | 1995-03-28 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0736629A1 EP0736629A1 (fr) | 1996-10-09 |
EP0736629B1 true EP0736629B1 (fr) | 1998-09-09 |
Family
ID=9477503
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP96400585A Expired - Lifetime EP0736629B1 (fr) | 1995-03-28 | 1996-03-20 | Procédé et machine de mise en oeuvre d'une couche d'accrochage et revêtement routier comprenant une telle couche |
Country Status (10)
Country | Link |
---|---|
US (2) | US5769567A (fr) |
EP (1) | EP0736629B1 (fr) |
JP (1) | JPH0921102A (fr) |
AT (1) | ATE170944T1 (fr) |
AU (1) | AU721015B2 (fr) |
CA (1) | CA2172786C (fr) |
DE (1) | DE69600604T2 (fr) |
DK (1) | DK0736629T3 (fr) |
ES (1) | ES2123322T3 (fr) |
FR (1) | FR2732369B1 (fr) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2732369B1 (fr) * | 1995-03-28 | 1997-06-13 | Colas Sa | Procede et machine de mise en oeuvre d'une couche d'accrochage et revetement routier comprenant une telle couche |
WO1999043890A1 (fr) * | 1998-02-26 | 1999-09-02 | Antonino Ancione S.P.A. | Emulsion bitumineuse d'impermeabilisation a froid modifiee avec des elastomeres |
FR2798942B1 (fr) * | 1999-09-29 | 2002-01-18 | Colas Sa | Chaussee de circulation comportant une couche anti-fissure |
EP1263548A1 (fr) | 2000-03-15 | 2002-12-11 | Rodel Holdings, Inc. | Fenetre a taux d'usure ajuste |
FR2866907B1 (fr) | 2004-02-26 | 2006-05-19 | Sacer Grands Travaux | Procede d'epandage d'une emulsion de bitume, revetement comprenant une couche d'accrochage obtenue par ce procede et machine permettant la mise en oeuvre de ce procede |
WO2007061947A2 (fr) * | 2005-11-18 | 2007-05-31 | Blacklidge Emulsions, Inc. | Procede permettant de lier des substrats prepares pour la chaussee employant un revetement d’emulsion d’asphalte a faible ornierage |
GB2452903B (en) * | 2006-09-19 | 2011-12-14 | Colas Sa | Bond coat |
WO2011106562A2 (fr) * | 2010-02-24 | 2011-09-01 | Blacklidge Emulsions, Inc. | Couche d'accrochage appliquée à chaud |
US20120275860A1 (en) * | 2011-04-26 | 2012-11-01 | Road Science, Llc | Destabilized bituminous bonding layer |
EP3155171A1 (fr) | 2014-06-12 | 2017-04-19 | Akzo Nobel Chemicals International B.V. | Procédé de production de revêtements bitumineux à adhésivité réduite |
JP6457842B2 (ja) * | 2015-03-06 | 2019-01-23 | 昭和瀝青工業株式会社 | アスファルト乳剤を分解する方法 |
EP3085731A1 (fr) | 2015-04-23 | 2016-10-26 | Colas | Émulsion de liant bitumineux modifié |
WO2016170083A1 (fr) | 2015-04-23 | 2016-10-27 | Colas | Émulsion de liant bitumineux modifiée |
AU2017235664B2 (en) | 2016-03-18 | 2022-09-29 | Gorman Group Llc | Machine, system and method for resurfacing existing roads |
US10975530B2 (en) | 2016-03-18 | 2021-04-13 | The Gorman Group Llc | Machine, system and method for resurfacing existing roads using premixed stress absorbing membrane interlayer (SAMI) material |
US11414549B2 (en) | 2016-12-19 | 2022-08-16 | Blacklidge Emulsions, Inc. | Age resistant coatings and methods for treating roadway substrates |
EP3555020A4 (fr) | 2016-12-19 | 2020-09-16 | Blacklidge Emulsions Inc. | Compositions d'asphalte résistantes au vieillissement et procédés |
US11124926B2 (en) * | 2018-02-02 | 2021-09-21 | Kraton Polymers Llc | Pavement repair method and system thereof |
US11634875B2 (en) | 2018-02-02 | 2023-04-25 | Iemulsions Corporation | Pavement repair method and system thereof |
US10494773B1 (en) * | 2018-11-28 | 2019-12-03 | Caterpillar Paving Products Inc. | Paving machine with an emulsion tank level sensor |
US11708508B2 (en) | 2019-03-15 | 2023-07-25 | Russell Standard Corp. | High performance tack coat |
DE102020118675A1 (de) | 2020-07-15 | 2022-01-20 | DBW GmbH | Verfahren und Vorrichtung zum Verbinden von Asphaltschichten im Straßenbau |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2263720A1 (de) * | 1972-01-11 | 1973-07-19 | Medizin Labortechnik Veb K | Klimator |
SU642411A1 (ru) * | 1977-02-22 | 1979-01-15 | Московский Государственный Университет Имени М.В.Ломоносова | В жущее |
US4302128A (en) * | 1979-10-01 | 1981-11-24 | Thatcher Gary G | Asphalt sealing machine |
FR2573455B1 (fr) * | 1984-11-21 | 1986-12-26 | Colas Sa | Procede d'obtention d'enduits routiers superficiels par epandage d'emulsions aqueuses de bitume, et revetements obtenus |
US5268029A (en) * | 1985-02-12 | 1993-12-07 | Elf France | Cationic emulsions of bituminous binders of the type bitumen/polymer and cationic emulsifying system preferably utilizable for obtaining said emulsions |
US4657595A (en) * | 1985-09-16 | 1987-04-14 | The Procter & Gamble Company | Quick setting anionic bituminous emulsions |
US4684289A (en) * | 1986-06-13 | 1987-08-04 | Gnesa Edward C | Road coating method and apparatus |
US4948431A (en) * | 1989-03-29 | 1990-08-14 | Strickland Paul D | Patch binder and method for road surface repair |
FR2667085B1 (fr) * | 1990-09-25 | 1993-08-13 | Screg Routes & Travaux | Procede et dispositif de realisation d'une couche d'une chaussee routiere. |
FR2680806B1 (fr) * | 1991-09-03 | 1998-10-16 | Beugnet Sa | Procede de controle de la rupture d'une emulsion de bitume, ainsi que dispositif pour la mise en óoeuvre de ce procede. |
US5503871A (en) * | 1991-09-30 | 1996-04-02 | Blacklidge Emulsions, Inc. | Method for sealing and priming prepared substrates for roadways and substrate thereof |
US5270373A (en) * | 1992-06-05 | 1993-12-14 | W. R. Grace & Co.-Conn. | Aqueous-based waterproofing primer system and method |
ATE173285T1 (de) * | 1992-06-20 | 1998-11-15 | Minnesota Mining & Mfg | Grundierung für nasse und trockene strassenbeläge |
AU670385B2 (en) * | 1993-06-10 | 1996-07-11 | PLASTIROUTE GmbH | Method and device for applying surfaces markings to roads and other areas used by traffic |
US5578118A (en) * | 1994-06-07 | 1996-11-26 | Saramco, Inc. | Natural polyphenolic-containing vegetable extract modified bitumen and anti-stripper compositions, method of manufacture and use |
FR2732369B1 (fr) * | 1995-03-28 | 1997-06-13 | Colas Sa | Procede et machine de mise en oeuvre d'une couche d'accrochage et revetement routier comprenant une telle couche |
US5670562A (en) * | 1996-10-15 | 1997-09-23 | Westvaco Corporation | Adhesion enhancers for anionic bituminous emulsions |
-
1995
- 1995-03-28 FR FR9503636A patent/FR2732369B1/fr not_active Expired - Lifetime
-
1996
- 1996-03-20 AT AT96400585T patent/ATE170944T1/de not_active IP Right Cessation
- 1996-03-20 ES ES96400585T patent/ES2123322T3/es not_active Expired - Lifetime
- 1996-03-20 DK DK96400585T patent/DK0736629T3/da active
- 1996-03-20 DE DE69600604T patent/DE69600604T2/de not_active Expired - Fee Related
- 1996-03-20 EP EP96400585A patent/EP0736629B1/fr not_active Expired - Lifetime
- 1996-03-27 AU AU50348/96A patent/AU721015B2/en not_active Ceased
- 1996-03-27 US US08/622,831 patent/US5769567A/en not_active Expired - Fee Related
- 1996-03-27 CA CA002172786A patent/CA2172786C/fr not_active Expired - Lifetime
- 1996-03-28 JP JP8111857A patent/JPH0921102A/ja not_active Ceased
-
1998
- 1998-01-12 US US09/005,761 patent/US5893679A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
AU5034896A (en) | 1996-10-10 |
FR2732369B1 (fr) | 1997-06-13 |
ES2123322T3 (es) | 1999-01-01 |
EP0736629A1 (fr) | 1996-10-09 |
ATE170944T1 (de) | 1998-09-15 |
FR2732369A1 (fr) | 1996-10-04 |
US5893679A (en) | 1999-04-13 |
CA2172786C (fr) | 2006-11-28 |
DE69600604D1 (de) | 1998-10-15 |
JPH0921102A (ja) | 1997-01-21 |
US5769567A (en) | 1998-06-23 |
CA2172786A1 (fr) | 1996-09-29 |
AU721015B2 (en) | 2000-06-22 |
DE69600604T2 (de) | 1999-04-29 |
DK0736629T3 (da) | 1999-06-07 |
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