FR2642337A1 - Process for cleaning, especially buildings and monuments, by projecting powder - Google Patents
Process for cleaning, especially buildings and monuments, by projecting powder Download PDFInfo
- Publication number
- FR2642337A1 FR2642337A1 FR8900261A FR8900261A FR2642337A1 FR 2642337 A1 FR2642337 A1 FR 2642337A1 FR 8900261 A FR8900261 A FR 8900261A FR 8900261 A FR8900261 A FR 8900261A FR 2642337 A1 FR2642337 A1 FR 2642337A1
- Authority
- FR
- France
- Prior art keywords
- powder
- monuments
- cleaning
- buildings
- particle size
- 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.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C11/00—Selection of abrasive materials or additives for abrasive blasts
-
- 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
- E04G23/002—Arrangements for cleaning building facades
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
Description
L'invention concerne un procédé de nettoyage, notamment de bâtiments et monuments, par projection de poudre. The invention relates to a method of cleaning, in particular of buildings and monuments, by powder spraying.
Le procédé de l'invention est caractérisé en ce que cette poudre est constituée par de la poudre d'un oxyde de métal dont la granulométrie est inférieure à 20 microns. The method of the invention is characterized in that this powder consists of powder of a metal oxide whose particle size is less than 20 microns.
Suivant une autre caractéristique de l'invention, la poudre est constituée par de l'oxyde d'aluminium. According to another characteristic of the invention, the powder consists of aluminum oxide.
Ce procédé a pour but d'assurer le nettoyage par gommage, de matieres fragiles telles que le marbre et les revêtements divers de façades d'immeubles, ainsi que les surfaces sculptées telles que les fresques de monuments. Egalement, ce procédé peut être utilisé pour le nettoyage de glaces, des bâches en matière textile, d'objets en matiere plastique ou en métal, de papiers peints et de peintures. The purpose of this process is to ensure the cleaning by gumming, of fragile materials such as marble and the various coatings of facades of buildings, as well as the sculpted surfaces such as the frescoes of monuments. This method can also be used for cleaning glass, tarpaulins made of textile material, plastic or metal objects, wallpapers and paints.
Ce procédé met essentiellement en oeuvre de la poudre d'oxyde d'un métal et, notamment, d'oxyde d'aluminium dont la granulométrie est inférieure à 20 microns, cette poudre étant projetee par un jet d'air de puissance réglable et par l'intermédiaire d'une buse d'un pistolet à jet d'air comprimé. This process essentially uses oxide powder of a metal and, in particular, aluminum oxide whose particle size is less than 20 microns, this powder being projected by an air jet of adjustable power and by through a nozzle of a compressed air jet gun.
La faible granulométrie ainsi que la dureté de cette poudre, permettent le décollage des salissures recouvrant la surface à nettoyer, sans détériorer cette surface et particulièrement les surfaces sculptées des fresques des monuments historiques. The small particle size and the hardness of this powder allow the removal of dirt covering the surface to be cleaned, without damaging this surface and particularly the sculpted surfaces of the frescoes of historic monuments.
La projection de cette poudre à sec, c'està-dire à l'aide d'un jet d'air, permet de mettre ce procédé en oeuvre à l'intérieur des locaux pour le nettoyage des glaces, des peintures, papiers peints, boiseries, etc. qui peuvent être juxtaposés dans un local sans crainte que l'un d'entre eux ne soit abîmé. Spraying this powder dry, that is to say using an air jet, makes it possible to carry out this process inside the premises for cleaning windows, paints, wallpapers, woodwork, etc. which can be juxtaposed in a room without fear that one of them will be damaged.
Suivant le procédé de l'invention, la dureté importante du matériau constituant la -poudre est compensée par sa faible granulométrie pour obtenir le résultat souhaité, par gommage et non par arrachement des particules du support à nettoyer. According to the process of the invention, the high hardness of the material constituting the -powder is compensated by its small particle size to obtain the desired result, by scrubbing and not by removing particles from the support to be cleaned.
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8900261A FR2642337B1 (en) | 1989-01-11 | 1989-01-11 | METHOD FOR CLEANING, ESPECIALLY BUILDINGS AND MONUMENTS, BY SPRAYING POWDER |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8900261A FR2642337B1 (en) | 1989-01-11 | 1989-01-11 | METHOD FOR CLEANING, ESPECIALLY BUILDINGS AND MONUMENTS, BY SPRAYING POWDER |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2642337A1 true FR2642337A1 (en) | 1990-08-03 |
FR2642337B1 FR2642337B1 (en) | 1992-02-14 |
Family
ID=9377617
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8900261A Expired - Lifetime FR2642337B1 (en) | 1989-01-11 | 1989-01-11 | METHOD FOR CLEANING, ESPECIALLY BUILDINGS AND MONUMENTS, BY SPRAYING POWDER |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2642337B1 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0647505A1 (en) * | 1993-10-08 | 1995-04-12 | Entrepose-Montalev | Method and apparatus for the treatment of metallic workpieces, either coated or not |
EP0673717A1 (en) * | 1993-09-13 | 1995-09-27 | Antonio Frezzella | Process and apparatus with an automatic closed circuit for dirt free cleaning of monuments and buildings |
EP0703040A1 (en) * | 1994-08-30 | 1996-03-27 | Snap-on Incorporated | Pre-forge aluminum oxide blasting of forging billets as a scale resistance treatment |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1252886A (en) * | 1960-02-22 | 1961-02-03 | Nat Lead Co | Glass polishing compositions and their uses |
FR1316140A (en) * | 1962-02-23 | 1963-01-25 | Grace W R & Co | Improvements to polishing compositions and processes for their preparation |
FR1348586A (en) * | 1964-04-10 | |||
GB962285A (en) * | 1961-05-15 | 1964-07-01 | Nat Lead Co | Glass polishing compositions |
FR1552850A (en) * | 1966-07-05 | 1969-01-10 | ||
JPS5654352A (en) * | 1979-10-11 | 1981-05-14 | Shimadzu Corp | Programmed-temperature gas chromatography for testing boiling point distribution of petroleum product |
US4287740A (en) * | 1978-09-12 | 1981-09-08 | Rockwell International Corporation | Method of increasing the fatigue life of titanium alloy parts |
DD155765A3 (en) * | 1978-08-16 | 1982-07-07 | Adolf Kaller | METHOD FOR PRODUCING CHROMIUM III OXID POLISHERS, ESPECIALLY FOR OPTICAL PURPOSES |
JPS5937053A (en) * | 1982-08-18 | 1984-02-29 | Mitsui Touatsu Kiko Kk | Surface processing method |
JPS6140329A (en) * | 1984-07-31 | 1986-02-26 | Nishimura Sangyo Kk | Method of surface treatment of synthetic resin surface to be bonded |
-
1989
- 1989-01-11 FR FR8900261A patent/FR2642337B1/en not_active Expired - Lifetime
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1348586A (en) * | 1964-04-10 | |||
FR1252886A (en) * | 1960-02-22 | 1961-02-03 | Nat Lead Co | Glass polishing compositions and their uses |
GB962285A (en) * | 1961-05-15 | 1964-07-01 | Nat Lead Co | Glass polishing compositions |
FR1316140A (en) * | 1962-02-23 | 1963-01-25 | Grace W R & Co | Improvements to polishing compositions and processes for their preparation |
FR1552850A (en) * | 1966-07-05 | 1969-01-10 | ||
DD155765A3 (en) * | 1978-08-16 | 1982-07-07 | Adolf Kaller | METHOD FOR PRODUCING CHROMIUM III OXID POLISHERS, ESPECIALLY FOR OPTICAL PURPOSES |
US4287740A (en) * | 1978-09-12 | 1981-09-08 | Rockwell International Corporation | Method of increasing the fatigue life of titanium alloy parts |
JPS5654352A (en) * | 1979-10-11 | 1981-05-14 | Shimadzu Corp | Programmed-temperature gas chromatography for testing boiling point distribution of petroleum product |
JPS5937053A (en) * | 1982-08-18 | 1984-02-29 | Mitsui Touatsu Kiko Kk | Surface processing method |
JPS6140329A (en) * | 1984-07-31 | 1986-02-26 | Nishimura Sangyo Kk | Method of surface treatment of synthetic resin surface to be bonded |
Non-Patent Citations (4)
Title |
---|
CHEMICAL ABSTRACTS, vol. 96, no. 22, mai 1982, page 339, résumé no. 186235r, Columbus, Ohio, US; & JP-A-81 54 352 (NIPPON CARBON CO., LTD) 24-12-1981 * |
CHEMICAL ABSTRACTS, vol. 98, no. 18, mai 1983, page 148 résumé no. 145977g, Columbus, Ohio, US; & DD-A-155 765 (A. KALLER et al.) 07-07-1982 * |
PATENT ABSTRACTS OF JAPAN, vol. 10, no. 199 (C-359)[2255], 11 juillet 1986, page 21 C 359; & JP-A-61 40 329 (NISHIMURA SANGYO K.K.) 26-02-1986 * |
PATENT ABSTRACTS OF JAPAN, vol. 8, no. 136 (M-304)[1573], 23 juin 1984; & JP-A-59 37 053 (MITSUI TOUATSU KIKOU K.K.) 29-02-1984 * |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0673717A1 (en) * | 1993-09-13 | 1995-09-27 | Antonio Frezzella | Process and apparatus with an automatic closed circuit for dirt free cleaning of monuments and buildings |
EP0647505A1 (en) * | 1993-10-08 | 1995-04-12 | Entrepose-Montalev | Method and apparatus for the treatment of metallic workpieces, either coated or not |
FR2710866A1 (en) * | 1993-10-08 | 1995-04-14 | Entrepose Montalev | Method and installation for cleaning coated parts |
EP0703040A1 (en) * | 1994-08-30 | 1996-03-27 | Snap-on Incorporated | Pre-forge aluminum oxide blasting of forging billets as a scale resistance treatment |
US5598730A (en) * | 1994-08-30 | 1997-02-04 | Snap-On Technologies, Inc. | Pre-forge aluminum oxide blasting of forging billets as a scale resistance treatment |
Also Published As
Publication number | Publication date |
---|---|
FR2642337B1 (en) | 1992-02-14 |
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CL | Concession to grant licences | ||
TP | Transmission of property | ||
ST | Notification of lapse |