CH666924A5 - PROCESS FOR OBTAINING SURFACE ROAD COATINGS BY SPREADING AQUEOUS BITUMEN EMULSIONS, AND COATINGS OBTAINED. - Google Patents
PROCESS FOR OBTAINING SURFACE ROAD COATINGS BY SPREADING AQUEOUS BITUMEN EMULSIONS, AND COATINGS OBTAINED. Download PDFInfo
- Publication number
- CH666924A5 CH666924A5 CH4952/85A CH495285A CH666924A5 CH 666924 A5 CH666924 A5 CH 666924A5 CH 4952/85 A CH4952/85 A CH 4952/85A CH 495285 A CH495285 A CH 495285A CH 666924 A5 CH666924 A5 CH 666924A5
- Authority
- CH
- Switzerland
- Prior art keywords
- coatings
- emulsion
- spreading
- weight
- aqueous
- Prior art date
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Classifications
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- 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
- E01C7/35—Toppings or surface dressings; Methods of mixing, impregnating, or spreading them
- E01C7/353—Toppings or surface dressings; Methods of mixing, impregnating, or spreading them with exclusively bituminous binders; Aggregate, fillers or other additives for application on or in the surface of toppings with exclusively bituminous binders, e.g. for roughening or clearing
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- 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
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- 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
-
- 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
- E01C19/45—Portable apparatus for preparing, or for preparing and applying to the road, compound liquid binders, e.g. emulsified bitumen, fluxed asphalt
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Paints Or Removers (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Road Paving Structures (AREA)
- Road Repair (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Description
DESCRIPTION DESCRIPTION
La présente invention concerne un procédé d'obtention d'enduits routiers superficiels par épandage d'émulsions aqueuses de bitume. The present invention relates to a process for obtaining surface road coatings by spreading aqueous bitumen emulsions.
Le dépôt d'enduits superficiels est un moyen économique pour redonner certaines propriétés de surface, notamment de l'imperméabilité et de la rugosité, aux revêtements routiers ou autres, usés. Ces enduits sont composés de liants hydrocarbonés, rendus fluides pour l'épandage, soit sous forme d'émulsions aqueuses, soit par adjonction au bitume de fractions légères de distillation du pétrole ou de la houille. Les mélanges de bitumes et produits hydrocarbonés, connus sous le nom d'enduits anhydres, sont répandus sur le sol à température élevée en général comprise entre 120° C et 160° C, alors que les émulsions aqueuses de bitume le sont vers 70° C ou même à température ambiante, ce qui est un de leurs avantages. Par contre, la prise des enduits anhydres est nettement plus rapide et sûre que celle des enduits à base d'émulsions aqueuses, dont la prise est en outre très influencée par les conditions de température et d'hygrométrie ambiantes, puisque dans ce cas la prise nécessite l'évaporation de l'eau, contenue dans l'émulsion répandue; cette phase d'évaporation, qui implique la rupture de l'émulsion, est d'autant plus importante qu'elle conditionne la fixation des granulats à la surface de la chaussée. Ces problèmes ont conduit à la préparation d'enduits superficiels à l'émulsion de bitume, composés de deux couches, ce qui permet de remettre la chaussée traitée rapidement en circulation; on conçoit que de tels enduits bicouches soient plus coûteux, et il était souhaitable de mettre au point un procédé d'obtention d'enduits superficiels, peu coûteux, monocouches, répandables à température voisine de la température ambiante et pourtant de prise rapide et sûre, c'est-à-dire donnant des revêtements non fragiles, très cohérents, peu de temps après l'épandage. The deposition of surface coatings is an economical way to restore certain surface properties, in particular impermeability and roughness, to worn road or other surfaces. These coatings are composed of hydrocarbon binders, made fluid for spreading, either in the form of aqueous emulsions, or by adding light fractions of petroleum or coal distillation to the bitumen. Mixtures of bitumens and hydrocarbon products, known as anhydrous coatings, are spread on the ground at high temperatures, generally between 120 ° C and 160 ° C, while aqueous bitumen emulsions are spread around 70 ° C. or even at room temperature, which is one of their advantages. On the other hand, the setting of anhydrous coatings is much faster and safer than that of coatings based on aqueous emulsions, the setting of which is also very influenced by the ambient temperature and humidity conditions, since in this case setting requires evaporation of the water, contained in the spilled emulsion; this phase of evaporation, which involves the breaking of the emulsion, is all the more important as it conditions the fixing of the aggregates to the surface of the pavement. These problems have led to the preparation of surface coatings with bitumen emulsion, composed of two layers, which makes it possible to return the treated pavement quickly to traffic; it is understandable that such bilayer coatings are more expensive, and it was desirable to develop a process for obtaining surface coatings, inexpensive, monolayers, which can be spread at a temperature close to ambient temperature and yet which is quick and safe to set, that is to say giving non-fragile, very consistent coatings, shortly after spreading.
Le procédé d'obtention d'enduits superficiels par épandage d'émulsions aqueuses de bitumes selon l'invention consiste à mettre en contact une émulsion bitumineuse avec un agent de rupture de ladite émulsion. Les conditions observées seront telles que la rupture de l'émulsion se produise rapidement dans l'ensemble de la masse répandue. The process for obtaining surface coatings by spreading aqueous bitumen emulsions according to the invention consists in bringing a bituminous emulsion into contact with a breaking agent of said emulsion. The conditions observed will be such that the rupture of the emulsion occurs rapidly throughout the mass.
Pour que la rupture ait lieu dans la masse, on doit projeter l'agent de rupture sur le pinceau d'émulsion tombant verticalement de la rèpandeuse, dans la partie inférieure de ce pinceau, de préférence dans la moitié inférieure. For the rupture to take place in the mass, the breaking agent must be projected onto the emulsion brush falling vertically from the spreader, in the lower part of this brush, preferably in the lower half.
L'angle d'incidence est fonction de la puissance du jet d'agent de rupture, des produits utilisés et des conditions atmosphériques; il est en général compris entre 10° et 30° et sera facilement adapté par le spécialiste aux caractéristiques spécifiques du travail à effectuer, au besoins après des essais préalables. The angle of incidence is a function of the power of the bursting agent jet, the products used and the atmospheric conditions; it is generally between 10 ° and 30 ° and will be easily adapted by the specialist to the specific characteristics of the work to be performed, as required after prior tests.
Divers agents de rupture des émulsions d'hydrocabures sont connus : leur action résulte généralement d'une réaction de neutralisation ou encore de précipitation du milieu émulsionné; la nature de l'agent de rupture dépend essentiellement du bitume émulsionné et de l'agent émulsifiant. Dans le cas d'une émulsion cationique, de pH supérieur à 2,5 et contenant 60 à 75% en poids de liant bitumineux et de 0,1 à 0,5% en poids d'un émulsifiant de type chlorhydrate d'amine grasse ou d'imidazoline, l'agent de rupture peut être une solution aqueuse, de concentration comprise entre 5 et 25%, d'une base forte minérale, comme l'hydroxyde de sodium, ou d'un agent tensioactif anionique, comme un alkyl (C10-C20) sulfate, ou un de leurs mélanges; la quantité de solution d'agent de rupture projetée correspond à 0,2 à 1% en poids d'agent par rapport au poids de l'émulsion à traiter. Various agents for 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. In the case of a cationic emulsion, with a pH greater than 2.5 and containing 60 to 75% by weight of bituminous binder and from 0.1 to 0.5% by weight of an emulsifier of the fatty amine hydrochloride type or imidazoline, the breaking agent can be an aqueous solution, of concentration between 5 and 25%, of a strong mineral base, such as sodium hydroxide, or of an anionic surfactant, such as an alkyl (C10-C20) sulfate, or a mixture thereof; the quantity of solution of breaking agent projected corresponds to 0.2 to 1% by weight of agent relative to the weight of the emulsion to be treated.
On préfère utiliser un bitume de pénétration 80/100, ou mieux 180/220 (tel que défini par la norme NF T 65-001), en mélange avec 5 à 15% en poids de bitume fluide, de viscosité ENGLER comprise entre 0 et 1 ; la teneur en liant de l'émulsion est de préférence comprise entre 65 et 75% en poids et son pH supérieur à 3. We prefer to use an 80/100, or better 180/220, penetration bitumen (as defined by standard NF T 65-001), mixed with 5 to 15% by weight of fluid bitumen, of ENGLER viscosity between 0 and 1; the binder content of the emulsion is preferably between 65 and 75% by weight and its pH greater than 3.
La façon dont l'agent de rupture et l'émulsion sont mis en contact est une autre caractéristique importante du procédé de l'invention. On a constaté en effet que lorsque l'agent de rupture est envoyé sur la surface de l'émulsion déjà déposée sur le sol, le phénomène de rupture ne se propage pas dans la masse et la prise a lieu superficiellement, conduisant à la formation d'une peau et d'un revêtement de mauvaise qualité. Another important characteristic of the process of the invention is the manner in which the breaking agent and the emulsion are brought into contact. It has been found in fact that when the breaking agent is sent to the surface of the emulsion already deposited on the ground, the breaking phenomenon does not propagate in the mass and the setting takes place superficially, leading to the formation of '' poor quality skin and coating.
La figure 1-A montre l'orientation relative préférée du pinceau d'émulsion E et du jet d'agent de rupture R, par rapport au sol S. Figure 1-A shows the preferred relative orientation of the emulsion brush E and the jet of rupture agent R, with respect to the ground S.
La figure 1-B montre le cas précédemment décrit de dépôts successifs, ce qui entraîne la formation d'une peau. Figure 1-B shows the previously described case of successive deposits, which leads to the formation of a skin.
La figure 1-C schématise un procédé de répandage simultané qui, en général, ne donne pas de résultats convenables du fait de la désorganisation du pinceau d'émulsion bitumineuse tombant sur le sol; dans ce cas, le jet d'agent de rupture est dirigé vers le haut du pinceau d'émulsion, près de la sortie de la rèpandeuse, et entre en contact avec le pinceau dans la moitié supérieure de celui-ci. FIG. 1-C schematizes a method of simultaneous spreading which, in general, does not give suitable results due to the disorganization of the bituminous emulsion brush falling on the ground; in this case, the jet of breaking agent is directed towards the top of the emulsion brush, near the outlet of the spreader, and comes into contact with the brush in the upper half thereof.
Le procédé d'obtention d'enduits superficiels à base d'émulsions bitumineuses selon l'invention peut être mis en œuvre dans les conditions classiques de répandage des enduits superficiels sans utilisation d'agent de rupture; les vitesses des pompes de distribution de l'émulsion, la rèpandeuse et sa vitesse d'avancement ainsi que la quantité d'émulsion répartie sur une superficie donnée, n'ont pas à être modifiées, ce qui est un autre avantage de L'invention, l'homme du métier étant à même d'y adapter les conditions de pulvérisation de l'agent de rupture, en fonction de la nature des composés utilisés et des conditions spécifiques du travail. The process for obtaining surface coatings based on bituminous emulsions according to the invention can be implemented under the conventional conditions for spreading surface coatings without using a breaking agent; the speeds of the emulsion distribution pumps, the spreader and its forward speed as well as the quantity of emulsion distributed over a given area, do not have to be modified, which is another advantage of the invention , the person skilled in the art being able to adapt the conditions for spraying the breaking agent there, as a function of the nature of the compounds used and of the specific working conditions.
Les revêtements obtenus par ce procédé, caractérisés par une prise rapide à température ambiante, associée à de bonnes propriétés de surface, sont un autre objet de l'invention. Another object of the invention is the coatings obtained by this process, characterized by rapid setting at room temperature, associated with good surface properties.
Dans ce qui suit, on décrit des exemples de mise en œuvre de l'invention. In the following, examples of implementation of the invention are described.
Exemple 1: Example 1:
a) Emulsion aqueuse bitumineuse a) Bituminous aqueous emulsion
On émulsifie 650 kg d'un mélange comportant 600 kg de bitume pur 180/220 (selon norme NF T 65-001) et 50 kg de bitume fluide 0/1 avec 350 kg d'une solution aqueuse d'un chlorhydrate d'une diamine (résultant de l'action sur 4 kg de diamine de suif, de 2,6 kg de solution aqueuse de HCl à 32% en poids), dans un homogénéi-seur COLAS®, en introduisant le bitume à 130° C et la phase aqueuse à 50° C. 650 kg of a mixture is emulsified comprising 600 kg of 180/220 pure bitumen (according to standard NF T 65-001) and 50 kg of 0/1 fluid bitumen with 350 kg of an aqueous solution of a hydrochloride of a diamine (resulting from the action on 4 kg of tallow diamine, 2.6 kg of aqueous HCl solution at 32% by weight), in a COLAS® homogenizer, by introducing the bitumen at 130 ° C and the aqueous phase at 50 ° C.
b) Agent de rupture b) Agent of rupture
Il est composé d'une solution aqueuse contenant 10% en poids d'hydroxyde de sodium et 2% en poids de laurylsulfate de sodium. It is composed of an aqueous solution containing 10% by weight of sodium hydroxide and 2% by weight of sodium lauryl sulfate.
c) Répandage c) Spreading
A l'aide d'une rampe à émulsions équipée de gicleurs à pinceau située à 25 cm environ du sol, on répand à température ambiante 1,8 à 1,9 kg/m2 de l'émulsion obtenue selon a) sur la chaussée et simultanément, sous un angle d'incidence de 60° à 25°, 50 g/m2 de solution d'agent de rupture obtenue selon b); des gravillons 6/10 sont ensuite répartis sur le sol à raison de 8 1/m2. La prise du revêtement se fait à une température de 15° C en 2 heures environ; à ce moment, la remise en circulation de la chaussée peut être réalisée. En appliquant le même mode opératoire que précédemment, on préparera un 1.8 to 1.9 kg / m2 of the emulsion obtained according to a) is spread over the road surface using an emulsion ramp fitted with brush sprinklers located approximately 25 cm from the ground. simultaneously, at an angle of incidence of 60 ° to 25 °, 50 g / m2 of solution of breaking agent obtained according to b); 6/10 gravel is then distributed on the ground at a rate of 8 1 / m2. The coating sets at a temperature of 15 ° C in about 2 hours; at this time, the road can be recirculated. By applying the same procedure as above, we will prepare a
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666 924 666,924
revêtement monocouche à double gravillonnage avec 2,1 à 2,4 kg/m2 d'émulsion obtenue selon a), et 7 à 91/m2 de gravillons 10/14 et 4 à 7 1/m2 de gravillons 4/6; la prise aura lieu en 2 heures environ. monolayer coating with double gravel with 2.1 to 2.4 kg / m2 of emulsion obtained according to a), and 7 to 91 / m2 of 10/14 chippings and 4 to 7 1 / m2 of 4/6 chippings; the taking will take place in approximately 2 hours.
Exemple 2: Example 2:
Etude de l'amélioration de la qualité de la fixation des gravillons Study of the improvement of the quality of the gravel fixation
On a préparé, en laboratoire, des revêtements de plaques métalliques, en étalant l'émulsion aqueuse bitumineuse obtenue selon l'exemple 1-a) en présence, ou non, de l'agent de rupture selon 1-b), et en répartissant sur le revêtement obtenu, selon une technique habituelle, des gravillons (adaptation de l'essai d'adhésion globale à la plaque Vialit). On a mesuré le pourcentage de gravillons restant collés aux plaques métalliques supports après retournement de cel-les-ci, à différents moments après leur recouvrement. Les résultats obtenus, qui figurent dans le tableau 1, démontrent que la prise de l'émulsion est beaucoup plus rapide en présence d'agent de rupture. Coatings of metal plates were prepared in the laboratory, by spreading the aqueous bituminous emulsion obtained according to example 1-a) in the presence or not of the breaking agent according to 1-b), and by distributing on the coating obtained, according to a usual technique, gravel (adaptation of the overall adhesion test to the Vialit plate). We measured the percentage of gravel remaining stuck to the metal support plates after turning them, at different times after their recovery. The results obtained, which appear in Table 1, demonstrate that the setting of the emulsion is much faster in the presence of breaking agent.
Tableau 1 Table 1
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Durée Duration
% de prise de l'émulsion à 22° C* % setting of the emulsion at 22 ° C *
Témoin Witness
Essai Test
30 min 30 mins
0 0
45 45
1 heure 1 hour
12 12
54 54
2 heures 2 hours
17 17
59 59
* Mesurée par rapport au nombre de gravillons restés collés à la plaque au nombre total de gravillons répartis. * Measured in relation to the number of gravel remained stuck to the plate to the total number of gravel distributed.
R R
1 feuille dessins 1 sheet of drawings
Claims (3)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8417758A FR2573455B1 (en) | 1984-11-21 | 1984-11-21 | PROCESS FOR OBTAINING SURFACE ROAD COATINGS BY SPREADING AQUEOUS BITUMEN EMULSIONS AND COATINGS OBTAINED |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH666924A5 true CH666924A5 (en) | 1988-08-31 |
Family
ID=9309817
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH4952/85A CH666924A5 (en) | 1984-11-21 | 1985-11-20 | PROCESS FOR OBTAINING SURFACE ROAD COATINGS BY SPREADING AQUEOUS BITUMEN EMULSIONS, AND COATINGS OBTAINED. |
Country Status (16)
| Country | Link |
|---|---|
| AT (1) | AT396138B (en) |
| AU (1) | AU580114B2 (en) |
| BE (1) | BE903679A (en) |
| CA (1) | CA1276082C (en) |
| CH (1) | CH666924A5 (en) |
| CY (1) | CY1474A (en) |
| DE (1) | DE3540249C2 (en) |
| ES (1) | ES8705066A1 (en) |
| FR (1) | FR2573455B1 (en) |
| GB (1) | GB2167975B (en) |
| IE (1) | IE57173B1 (en) |
| IT (1) | IT1201494B (en) |
| LU (1) | LU86165A1 (en) |
| MX (1) | MX168624B (en) |
| NZ (1) | NZ214270A (en) |
| ZA (1) | ZA858799B (en) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2618350B1 (en) * | 1987-07-24 | 1991-07-12 | Applic Derives Asphalte | METHOD FOR CAUSING THE BREAKAGE OF AN EMULSION USING A BREAKING AGENT |
| FR2626593B1 (en) * | 1988-01-29 | 1992-02-28 | Screg Routes & Travaux | METHOD AND DEVICE FOR THE PRODUCTION OF A ROAD COVERING |
| NZ238058A (en) * | 1990-05-07 | 1993-05-26 | Emoleum Australia Ltd | Modification of cationic bitumen emulsions by adding agent to initiate coalescence |
| FR2662193B1 (en) * | 1990-05-21 | 1992-10-30 | Colas Sa | DEVICE FOR SPREADING A FLUID MATERIAL, IN PARTICULAR A BITUMINOUS MIXING EMULSION, AND PAVEMENT CONSTRUCTION MACHINE COMPRISING SUCH A DEVICE. |
| FR2665717B1 (en) * | 1990-08-08 | 1993-08-06 | Colas Sa | DEVICE FOR SPREADING A FLUID SUBSTANCE AND MACHINE FOR THE SIMULTANEOUS APPLICATION OF SUCH SUBSTANCE AND COATING OF A PAVEMENT. |
| FR2695949B1 (en) * | 1992-09-18 | 1994-12-09 | Sud Ouest Liants | Process for obtaining surface road coatings by spreading an aqueous emulsion of bitumen, gravel and a breaking agent and device for its implementation. |
| GB9306290D0 (en) * | 1993-03-26 | 1993-05-19 | Exxon Research Engineering Co | Bituminous surface construction |
| SE502529C2 (en) * | 1994-03-22 | 1995-11-06 | Mark & Mekan Ab | Valve device for spreading adhesives on walls |
| FR2732369B1 (en) * | 1995-03-28 | 1997-06-13 | Colas Sa | METHOD AND MACHINE FOR IMPLEMENTING A HANGING LAYER AND ROAD COVERING INCLUDING SUCH A LAYER |
| FR2748283B1 (en) * | 1996-05-06 | 1998-07-31 | Routiere Beugnet | PROCESS OF TREATMENT AFTER SPREADING OF BITUMEN EMULSION-BASED HANGER LAYERS AND VEHICLE ALLOWING THE IMPLEMENTATION OF THIS PROCESS |
| WO1999043890A1 (en) * | 1998-02-26 | 1999-09-02 | Antonino Ancione S.P.A. | A cold waterproofing, bituminous emulsion, modified with elastomers |
| GB2392399A (en) * | 2002-08-28 | 2004-03-03 | Antonino Ancione S P A | Process for the application of a bituminous coating |
| PL3167122T3 (en) | 2014-07-10 | 2022-11-28 | Vinci Construction | Calcium/magnesium compound slurry for bituminous road material |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE256573C (en) * | ||||
| DE490082C (en) * | 1926-08-20 | 1930-01-20 | Eduard Pree Dipl Ing | Process for the production of a gravel road surface using an emulsion of asphalt o. |
| CH152535A (en) * | 1931-02-20 | 1932-02-15 | Ruetgerswerke Ag | Process for the preparation of emulsions from tar products. |
| CH298445A (en) * | 1951-02-14 | 1954-05-15 | Zeller & Gmelin | Process for the production of building materials suitable for road surfaces. |
| CH338265A (en) * | 1954-02-19 | 1959-05-15 | Bataafsche Petroleum | Reversible water-in-oil type emulsion for coating mineral aggregates and other solid material with a thin adherent hydrophobic layer, its manufacture and use |
| GB1167265A (en) * | 1966-04-02 | 1969-10-15 | Bayer Ag | Process for the Manufacture of Bituminous Insulating Layers |
| AU421971B2 (en) * | 1967-09-13 | 1972-03-02 | Ib. E. Limited | Coating with emulsions |
| DK143034C (en) * | 1967-10-04 | 1981-10-19 | Chevron Res | SURFACE COATING MATERIAL AND PROCEDURE FOR ITS MANUFACTURING |
| DE1796270A1 (en) * | 1968-09-28 | 1972-02-17 | Bayer Ag | Coatings |
| CH544728A (en) * | 1970-03-06 | 1973-11-30 | Meynadier & Cie Ag | Process for the production of an insulating layer for the sealing of buildings |
| DE2161705A1 (en) * | 1971-01-27 | 1972-08-10 | Marini Off Mec | Device for spray mixing of materials |
| US3785852A (en) * | 1972-05-10 | 1974-01-15 | Tremco Mfg Co | Bituminous emulsion-rubber latex compositions and method of depositing coagula therefrom |
| DE2502760A1 (en) * | 1975-01-24 | 1976-07-29 | Shell Ag | METHOD FOR PRODUCING BITUMINOESE LAYERS |
| DE2816657C3 (en) * | 1978-04-17 | 1981-11-26 | Gebr. Happich Gmbh, 5600 Wuppertal | Coat hooks for sliding arrangement on the handle formation of handles to be arranged in vehicles |
| DD206491A3 (en) * | 1982-06-16 | 1984-01-25 | Petrolchemisches Kombinat | COLD-PROCESSABLE MIXTURE FOR ROADWORK PURPOSES |
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1984
- 1984-11-21 FR FR8417758A patent/FR2573455B1/en not_active Expired
-
1985
- 1985-11-13 DE DE3540249A patent/DE3540249C2/en not_active Expired - Fee Related
- 1985-11-13 LU LU86165A patent/LU86165A1/en unknown
- 1985-11-14 IT IT22825/85A patent/IT1201494B/en active
- 1985-11-15 ZA ZA858799A patent/ZA858799B/en unknown
- 1985-11-18 GB GB08528322A patent/GB2167975B/en not_active Expired
- 1985-11-19 AT AT0337385A patent/AT396138B/en not_active IP Right Cessation
- 1985-11-19 MX MX000659A patent/MX168624B/en unknown
- 1985-11-20 ES ES549079A patent/ES8705066A1/en not_active Expired
- 1985-11-20 CA CA000495755A patent/CA1276082C/en not_active Expired - Fee Related
- 1985-11-20 CH CH4952/85A patent/CH666924A5/en not_active IP Right Cessation
- 1985-11-20 AU AU50265/85A patent/AU580114B2/en not_active Ceased
- 1985-11-20 NZ NZ214270A patent/NZ214270A/en unknown
- 1985-11-20 IE IE2911/85A patent/IE57173B1/en not_active IP Right Cessation
- 1985-11-20 BE BE0/215893A patent/BE903679A/en not_active IP Right Cessation
-
1989
- 1989-07-21 CY CY1474A patent/CY1474A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE3540249A1 (en) | 1986-05-28 |
| CA1276082C (en) | 1990-11-13 |
| IT8522825A0 (en) | 1985-11-14 |
| BE903679A (en) | 1986-05-20 |
| ZA858799B (en) | 1986-07-30 |
| CY1474A (en) | 1989-07-21 |
| MX168624B (en) | 1993-06-02 |
| ES549079A0 (en) | 1987-04-16 |
| ES8705066A1 (en) | 1987-04-16 |
| FR2573455A1 (en) | 1986-05-23 |
| AU5026585A (en) | 1986-05-29 |
| GB8528322D0 (en) | 1985-12-24 |
| NZ214270A (en) | 1988-09-29 |
| FR2573455B1 (en) | 1986-12-26 |
| GB2167975A (en) | 1986-06-11 |
| AU580114B2 (en) | 1989-01-05 |
| IE852911L (en) | 1986-05-21 |
| IT1201494B (en) | 1989-02-02 |
| DE3540249C2 (en) | 1995-01-26 |
| ATA337385A (en) | 1992-10-15 |
| AT396138B (en) | 1993-06-25 |
| LU86165A1 (en) | 1986-03-24 |
| IE57173B1 (en) | 1992-05-20 |
| GB2167975B (en) | 1988-11-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |