CH599845A5 - Calcareous kerbstone appearance restoration - Google Patents
Calcareous kerbstone appearance restorationInfo
- Publication number
- CH599845A5 CH599845A5 CH807376A CH807376A CH599845A5 CH 599845 A5 CH599845 A5 CH 599845A5 CH 807376 A CH807376 A CH 807376A CH 807376 A CH807376 A CH 807376A CH 599845 A5 CH599845 A5 CH 599845A5
- Authority
- CH
- Switzerland
- Prior art keywords
- rock
- cut
- flame
- repair
- appearance
- Prior art date
Links
- QFXZANXYUCUTQH-UHFFFAOYSA-N ethynol Chemical group OC#C QFXZANXYUCUTQH-UHFFFAOYSA-N 0.000 claims abstract description 5
- 239000011435 rock Substances 0.000 claims description 38
- 238000000034 method Methods 0.000 claims description 24
- 235000019738 Limestone Nutrition 0.000 claims description 8
- 239000006028 limestone Substances 0.000 claims description 8
- 238000000576 coating method Methods 0.000 claims description 6
- 238000012423 maintenance Methods 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000010276 construction Methods 0.000 claims description 4
- 238000005520 cutting process Methods 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 4
- 239000002344 surface layer Substances 0.000 claims description 4
- 230000009172 bursting Effects 0.000 claims description 2
- 230000010485 coping Effects 0.000 claims description 2
- 238000000151 deposition Methods 0.000 claims description 2
- 239000010438 granite Substances 0.000 claims description 2
- 239000002245 particle Substances 0.000 claims description 2
- 230000000737 periodic effect Effects 0.000 claims description 2
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
-
- 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
- E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
- E01C23/06—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road
- E01C23/08—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for roughening or patterning; for removing the surface down to a predetermined depth high spots or material bonded to the surface, e.g. markings; for maintaining earth roads, clay courts or like surfaces by means of surface working tools, e.g. scarifiers, levelling blades
- E01C23/081—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for roughening or patterning; for removing the surface down to a predetermined depth high spots or material bonded to the surface, e.g. markings; for maintaining earth roads, clay courts or like surfaces by means of surface working tools, e.g. scarifiers, levelling blades by thermal or cryogenic treatment, excluding heating to facilitate mechanical working
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Road Repair (AREA)
Abstract
Calcareous kerbstone appearance restoration involves playing jet of flame produced by oxyacetylene burner over surface
Description
La présente invention a pour objet un procédé pour la réfection et l'entretien de revêtements, en roche calcaire. I1 est fréquent d'utiliser des roches calcaires taillées ou travaillées comme revêtement dans la construction, que se soient des revêtements horizontaux, bancs, margelles, bordures ou des revêtements verticaux, façades, encadrements de fenêtres ou portes, angles d'immeuble, etc.
Après un certain nombre d'années, cinq à dix ans, ces roches se salissent et ont un aspect noir peu plaisant. On est donc conduit à retailler ces roches pour leur redonner leur aspect d'origine. Ces opérations de retaillage sont très longues et pénibles et souvent nécessite la dépose des pierres ou bordures, le travail ne pouvant pas être exécuté sur place.
La présente invention tente de remédier à ces inconvénients par un procédé qui se caractérise par le fait que la ou les surfaces apparentes au moins de la roche sont chauffées par un jet de flamme, pour faire éclater sa couche superficielle et lui redonner ainsi son aspect de roche taillée d'origine.
Le présent procédé qui consiste à faire éclater à la flamme une pellicule de roche sur la face visible, à rafraîchir peut être appliqué à la réfection ou à l'entretien périodique de revêtement en roche calcaire verticaux ou horizontaux.
L'aspect des surfaces de roche ainsi taillées est très semblable à une roche taillée à la broche mais il est évident que ce ravallement s'effectue beaucoup plus rapidement qu'un retaillage manuel à la broche.
Un autre avantage de ce procédé réside dans le fait que le flammage peut s'effectuer sur place, même sans déplacer ou desceller les blocs de roche, ce qui entraîne également une économie de temps et de mains d'oeuvre considérable.
Une application particulière de ce procédé est la réfection des bordures de trottoir qui peut se faire soit après avoir déposé les blocs de roche, généralement du granit, soit directement sur place en protégeant le revêtement de la route pour ne pas le faire fondre.
Pour mettre en oeuvre ce procédé on fait passer très près de la surface de la roche à nettoyer un brûleur oxy-acétylénique diffusant une flamme à environ 3000 degré centigrade et qui fait éclater des particules de roche. On dirige de préférence le brûleur obliquement par rapport au fil de la roche.
Ce procédé permet d'obtenir une surface rafraîchie d'une grande régularité tout en conservant l'aspect rustique du travail manuel à la broche.
REVENDICATIONS
I. Procédé pour la réfection et l'entretien de revêtements en roche calcaire, caractérisé par le fait que la ou les surfaces apparentes au moins de la roche sont chauffées par un jet de flamme, pour faire éclater sa couche superficielle et lui redonner ainsi son aspect de roche taillée d'origine.
11. Application du procédé selon la revendication I, à la réfection des bordures de trottoir.
SOUS-REVENDICATIONS
1. Procédé selon la revendication I, caractérisé par le fait qu'on dépose des blocs de roche à traiter avant leur traitement thermique.
2. Procédé selon la revendication I, caractérisé par le fait qu'on effectue le traitement thermique des roches lorsque celles-ci occupent leur place dans la construction.
3. Procédé selon la sous-revendication 1 ou la sous-revendication 2, caractérisé par le fait que la flamme est diffusée par un brûleur oxy-acéthylénique.
**ATTENTION** fin du champ DESC peut contenir debut de CLMS **.
The present invention relates to a process for the repair and maintenance of coatings made of limestone. It is common to use cut or worked limestone rocks as coating in construction, whether they are horizontal coverings, benches, copings, borders or vertical coverings, facades, window or door frames, building corners, etc.
After a number of years, five to ten years, these rocks get dirty and have an unpleasant black appearance. We are therefore led to re-cut these rocks to restore them to their original appearance. These re-cutting operations are very long and painful and often require the removal of stones or borders, the work not being able to be carried out on site.
The present invention attempts to remedy these drawbacks by a method which is characterized by the fact that at least the visible surface (s) of the rock are heated by a jet of flame, in order to burst its surface layer and thus restore its appearance. original cut rock.
The present process which consists in bursting with a flame a film of rock on the visible face, to be refreshed, can be applied to the repair or to the periodic maintenance of vertical or horizontal limestone rock coating.
The appearance of the rock surfaces thus cut is very similar to a rock cut with a spindle, but it is obvious that this resurfacing takes place much more quickly than a manual re-cutting with a spindle.
Another advantage of this process lies in the fact that the flaming can be carried out on site, even without moving or unsealing the blocks of rock, which also results in a considerable saving in time and manpower.
A particular application of this process is the repair of sidewalk edges which can be done either after depositing the rock blocks, generally granite, or directly on site by protecting the road surface so as not to melt it.
To carry out this process, an oxy-acetylene burner is passed very close to the surface of the rock to be cleaned, diffusing a flame at approximately 3000 degrees centigrade and which bursts rock particles. The burner is preferably directed obliquely with respect to the grain of the rock.
This process makes it possible to obtain a refreshed surface of great regularity while maintaining the rustic aspect of manual spindle work.
CLAIMS
I. Process for the repair and maintenance of limestone rock coverings, characterized by the fact that at least the visible surface (s) of the rock are heated by a jet of flame, to burst its surface layer and thus give it back its aspect of cut rock of origin.
11. Application of the method according to claim I, to the repair of curbs.
SUB-CLAIMS
1. Method according to claim I, characterized in that blocks of rock to be treated are deposited before their heat treatment.
2. Method according to claim I, characterized in that the heat treatment of the rocks is carried out when the latter occupy their place in the construction.
3. Method according to sub-claim 1 or sub-claim 2, characterized in that the flame is diffused by an oxy-acetylene burner.
** ATTENTION ** end of DESC field can contain start of CLMS **.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH807376A CH599845A5 (en) | 1976-06-24 | 1976-06-24 | Calcareous kerbstone appearance restoration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH807376A CH599845A5 (en) | 1976-06-24 | 1976-06-24 | Calcareous kerbstone appearance restoration |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH599845A5 true CH599845A5 (en) | 1978-05-31 |
Family
ID=4334729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH807376A CH599845A5 (en) | 1976-06-24 | 1976-06-24 | Calcareous kerbstone appearance restoration |
Country Status (1)
| Country | Link |
|---|---|
| CH (1) | CH599845A5 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0229318A1 (en) * | 1985-12-19 | 1987-07-22 | Linde Aktiengesellschaft | Method for the flame blasting of natural and/or artificial kinds of rock |
| US5211156A (en) * | 1989-05-03 | 1993-05-18 | Universite De Sherbrooke | Method and apparatus for treating a surface of granite with a high temperature plasma jet |
| FR2904977A1 (en) * | 2006-08-21 | 2008-02-22 | Gouez Pierre Le | Treatment of hard mineral surfaces or concrete, e.g. to remove dirt and restore the non-slip surface of paths and public spaces, involves cleaning, degreasing and high-temperature flaming to cause surface splitting |
-
1976
- 1976-06-24 CH CH807376A patent/CH599845A5/en not_active IP Right Cessation
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0229318A1 (en) * | 1985-12-19 | 1987-07-22 | Linde Aktiengesellschaft | Method for the flame blasting of natural and/or artificial kinds of rock |
| US5211156A (en) * | 1989-05-03 | 1993-05-18 | Universite De Sherbrooke | Method and apparatus for treating a surface of granite with a high temperature plasma jet |
| FR2904977A1 (en) * | 2006-08-21 | 2008-02-22 | Gouez Pierre Le | Treatment of hard mineral surfaces or concrete, e.g. to remove dirt and restore the non-slip surface of paths and public spaces, involves cleaning, degreasing and high-temperature flaming to cause surface splitting |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased | ||
| PL | Patent ceased |