The portable apparatus for cleaning surfaces comprises a tank (2) associated with a base (3), said tank (2) comprising at least one couple of chambers (5) predisposed to contain respective abrasive materials, said chambers (5) being hermetically separated from one another; at least one couple of mixing valves (13) associated with said base (3) and connected with respective said chambers (5) each said mixing valve (13) being predisposed to receive said abrasive material contained in said respective chamber (5) and to mix said abrasive material with a predetermined amount of compressed air.
B24C 3/00 - Abrasive blasting machines or devicesPlants
B24C 3/06 - Abrasive blasting machines or devicesPlants characterised by the arrangement of the component assemblies with respect to each other movableAbrasive blasting machines or devicesPlants characterised by the arrangement of the component assemblies with respect to each other portable
B24C 7/00 - Equipment for feeding abrasive materialControlling the flowability, constitution, or other physical characteristics of abrasive blasts
The portable apparatus for cleaning surfaces comprises a base (3); a tank (2) associated with said base (3) at the top thereof, said tank (2) being predisposed to contain at least one abrasive material. At least one mixing valve (9) is associated with the base (3) and connected with said tank (2) so as to receive said abrasive material contained in said tank (2) and mix said abrasive material with a predetermined amount of compressed air. An adjusting member (11) is associated with the tank (2), said adjusting member (11) being predisposed to enable the selection of a predetermined value indicating the amount of said abrasive material to be mixed with said compressed air in said at least one mixing valve (9).
B24C 3/06 - Abrasive blasting machines or devicesPlants characterised by the arrangement of the component assemblies with respect to each other movableAbrasive blasting machines or devicesPlants characterised by the arrangement of the component assemblies with respect to each other portable
B24C 7/00 - Equipment for feeding abrasive materialControlling the flowability, constitution, or other physical characteristics of abrasive blasts
01 - Chemical and biological materials for industrial, scientific and agricultural use
Goods & Services
Impregnating agents for concrete; Impregnants for exterior surfaces of buildings [other than paints or oils]; Anti-damp insulating compositions [other than paint]; Protective coatings for repelling water [chemical]; Water resistant protective surface coatings [chemical, other than paints].
4.
METHOD AND APPARATUS FOR FLAME COATING TUBULAR ELEMENTS WITH THERMOPLASTIC POWDERS
The method for flame coating tubular elements provides for arranging a said tubular element (2) to be coated at a coating station, providing an applicator unit (3), operating in the coating station, in an inactive configuration, spaced from the tubular element (2), the applicator unit (3) carrying at least one thermoplastic powders flame applicator device (4) and being alternatively operable between the inactive configuration and an active configuration, approached radially to the tubular element (2). After having brought the applicator unit (3) towards the tubular element (2), the method provides for operating the same unit (3) in the active configuration, so as to peripherally engage the element (2) itself. The applicator device (4) is turned on, the thermoplastic powders are fed and the applicator device (4) is operated in motion around and/or along the tubular element (2) so as to flame coating it with a controlled flow of thermoplastic powders.
B05B 7/20 - Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas incorporating means for heating the material to be sprayed by flame or combustion
B05D 3/08 - Pretreatment of surfaces to which liquids or other fluent materials are to be appliedAfter-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by flames
C23C 4/02 - Pretreatment of the material to be coated, e.g. for coating on selected surface areas
The method for flame coating tubular elements provides for arranging a said tubular element (2) to be coated at a coating station, providing an applicator unit (3), operating in the coating station, in an inactive configuration, spaced from the tubular element (2), the applicator unit (3) carrying at least one thermoplastic powders flame applicator device (4) and being alternatively operable between the inactive configuration and an active configuration, approached radially to the tubular element (2). After having brought the applicator unit (3) towards the tubular element (2), the method provides for operating the same unit (3) in the active configuration, so as to peripherally engage the element (2) itself. The applicator device (4) is turned on, the thermoplastic powders are fed and the applicator device (4) is operated in motion around and/or along the tubular element (2) so as to flame coating it with a controlled flow of thermoplastic powders.
C23C 4/02 - Pretreatment of the material to be coated, e.g. for coating on selected surface areas
B05B 7/20 - Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas incorporating means for heating the material to be sprayed by flame or combustion
B05D 3/08 - Pretreatment of surfaces to which liquids or other fluent materials are to be appliedAfter-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by flames
01 - Chemical and biological materials for industrial, scientific and agricultural use
Goods & Services
Impregnating agents for concrete; Impregnants for exterior surfaces of buildings [other than paints or oils]; Anti-damp insulating compositions [other than paint]; Protective coatings for repelling water [chemical]; Water resistant protective surface coatings [chemical, other than paints].
The portable apparatus for cleaning surfaces comprises abase (3); a tank (2) associated with said base (3) at the top thereof, said tank (2) being predisposed to contain at least one abrasive material. At least one mixing valve (9) is associated with the base (3) and connected with said tank (2) so as to receive said abrasive material contained in said tank (2) and mix said abrasive material with a predetermined amount of compressed air. An adjusting member (11) is associated with the tank (2), said adjusting member (11) being predisposed to enable the selection of a predetermined value indicating the amount of said abrasive material to be mixed with said compressed air in said at least one mixing valve (9).
B24C 3/06 - Abrasive blasting machines or devicesPlants characterised by the arrangement of the component assemblies with respect to each other movableAbrasive blasting machines or devicesPlants characterised by the arrangement of the component assemblies with respect to each other portable
B24C 7/00 - Equipment for feeding abrasive materialControlling the flowability, constitution, or other physical characteristics of abrasive blasts
The portable apparatus for cleaning surfaces comprises a tank (2) associated with a base (3), said tank (2) comprising at least one couple of chambers (5) predisposed to contain respective abrasive materials, said chambers (5) being hermetically separated from one another; at least one couple of mixing valves (13) associated with said base (3) and connected with respective said chambers (5) each said mixing valve (13) being predisposed to receive said abrasive material contained in said respective chamber (5) and to mix said abrasive material with a predetermined amount of compressed air.
B24C 3/06 - Abrasive blasting machines or devicesPlants characterised by the arrangement of the component assemblies with respect to each other movableAbrasive blasting machines or devicesPlants characterised by the arrangement of the component assemblies with respect to each other portable
B24C 11/00 - Selection of abrasive materials for abrasive blasts
B24C 7/00 - Equipment for feeding abrasive materialControlling the flowability, constitution, or other physical characteristics of abrasive blasts
The portable apparatus for cleaning surfaces comprises a base (3); a tank (2) associated with said base (3) at the top thereof, said tank (2) being predisposed to contain at least one abrasive material. At least one mixing valve (9) is associated with the base (3) and connected with said tank (2) so as to receive said abrasive material contained in said tank (2) and mix said abrasive material with a predetermined amount of compressed air. An adjusting member (11) is associated with the tank (2), said adjusting member (11) being predisposed to enable the selection of a predetermined value indicating the amount of said abrasive material to be mixed with said compressed air in said at least one mixing valve (9).
B24C 3/06 - Abrasive blasting machines or devicesPlants characterised by the arrangement of the component assemblies with respect to each other movableAbrasive blasting machines or devicesPlants characterised by the arrangement of the component assemblies with respect to each other portable
B24C 7/00 - Equipment for feeding abrasive materialControlling the flowability, constitution, or other physical characteristics of abrasive blasts
The portable apparatus for cleaning surfaces comprises a tank (2) associated with a base (3), said tank (2) comprising at least one couple of chambers (5) predisposed to contain respective abrasive materials, said chambers (5) being hermetically separated from one another; at least one couple of mixing valves (13) associated with said base (3) and connected with respective said chambers (5) each said mixing valve (13) being predisposed to receive said abrasive material contained in said respective chamber (5) and to mix said abrasive material with a predetermined amount of compressed air.
B24C 3/06 - Abrasive blasting machines or devicesPlants characterised by the arrangement of the component assemblies with respect to each other movableAbrasive blasting machines or devicesPlants characterised by the arrangement of the component assemblies with respect to each other portable
B24C 7/00 - Equipment for feeding abrasive materialControlling the flowability, constitution, or other physical characteristics of abrasive blasts
B24C 11/00 - Selection of abrasive materials for abrasive blasts
11.
Method and apparatus for flame spraying thermoplastic powders
The method for spraying thermoplastic powders provides to feed a flow of compressed air and/or nitrogen and a liquefied petroleum gas through respective separated discharge chambers (9, 12), shaped inside a mixing device (1) of a spray gun (100), the separated discharge chambers (9, 12) being in communication with a mixing chamber (15). Then a flame is ignited at the mixing chamber, through a flame ignition device (30) connected with the gun (100), said device comprising a spark ignition device (31, 310), and a conductor element (32) associated with the mixing device (1) and connected with the spark ignition device (31, 310). The thermoplastic powders are mixed with a transport inert gas, and fed through a further discharge chamber (7) communicating with the mixing chamber (15). Then the spray gun is operated to spray the thermoplastic powders through the flame onto the surface of the article to be coated, to cause the melting of the same powders.
B05B 7/14 - Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas designed for spraying particulate materials
B05B 7/16 - Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas incorporating means for heating the material to be sprayed
B05B 7/20 - Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas incorporating means for heating the material to be sprayed by flame or combustion
B05B 12/00 - Arrangements for controlling deliveryArrangements for controlling the spray area
B05B 12/10 - Arrangements for controlling deliveryArrangements for controlling the spray area responsive to condition of liquid or other fluent material discharged, of ambient medium or of target responsive to temperature or viscosity of liquid or other fluent material discharged
B05D 3/02 - Pretreatment of surfaces to which liquids or other fluent materials are to be appliedAfter-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
B05B 15/20 - Arrangements for agitating the material to be sprayed, e.g. for stirring, mixing or homogenising
12.
Method and apparatus for flame spraying thermoplastic powders
The method for flame spraying thermoplastic powders provides to heat the article to be coated at a suitable working temperature and to feed the said thermoplastic powders, transported by an inert gas, a flow of compressed air and a flow of liquefied petroleum gas through respective separated discharge chambers (7, 9, 12), shaped inside a mixing device (1) of a spray gun. The thermoplastic powders are then projected, in a resulting flow (30), on the heated surface of the article to be coated, to determine the melting of the same powders at their contact with said heated surface. At least one couple of flows (31, 32) of compressed air is sprayed converging towards the resulting flow (30) flowing out of the mixing device (1), giving the resulting flow (30) a substantially flattened fan shape.
B05B 7/20 - Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas incorporating means for heating the material to be sprayed by flame or combustion
B05D 3/08 - Pretreatment of surfaces to which liquids or other fluent materials are to be appliedAfter-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by flames
B05B 7/14 - Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas designed for spraying particulate materials
B05B 12/18 - Arrangements for controlling deliveryArrangements for controlling the spray area for controlling the spray area using fluids, e.g. gas streams
B05B 15/20 - Arrangements for agitating the material to be sprayed, e.g. for stirring, mixing or homogenising
The apparatus for cleaning surfaces comprises a body (1 ) comprising a tank (2) for containing an abrasive material and a first duct (19) for a flow of compressed air which extends adjacent to said tank (2) along the whole length of said tank (2). The apparatus comprises as well a mixing valve (31 ), associated with said tank (2), for mixing said abrasive material with said compressed air.
The apparatus for cleaning surfaces comprises a body (1 ) comprising a tank (2) for containing an abrasive material and a first duct (19) for a flow of compressed air which extends adjacent to said tank (2) along the whole length of said tank (2). The apparatus comprises as well a mixing valve (31 ), associated with said tank (2), for mixing said abrasive material with said compressed air.
The method for spraying thermoplastic powders provides to feed a flow of compressed air and/or nitrogen and a liquefied petroleum gas through respective separated discharge chambers (9, 12), shaped inside a mixing device (1) of a spray gun (100), the separated discharge chambers (9, 12) being in communication with a mixing chamber (15). Then a flame is ignited at the mixing chamber, through a flame ignition device (30) connected with the gun (100), said device comprising a spark ignition device (31, 310), and a conductor element (32) associated with the mixing device (1) and connected with the spark ignition device (31, 310). The thermoplastic powders are mixed with a transport inert gas, and fed through a further discharge chamber (7) communicating with the mixing chamber (15). Then the spray gun is operated to spray the thermoplastic powders through the flame onto the surface of the article to be coated, to cause the melting of the same powders.
B05B 7/20 - Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas incorporating means for heating the material to be sprayed by flame or combustion
C23C 4/12 - Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the method of spraying
The method for flame spraying thermoplastic powders provides to heat the article to be coated at a suitable working temperature and to feed the said thermoplastic powders transported by an inert gas through inlet (4), a flow of compressed air or nitrogen through inlet (5) and a flow of liquefied petroleum gas through inlet (6), then through respective separated discharge chambers (7, 9, 12) shaped inside a mixing device (1) of a spray gun. The thermoplastic powders are then projected, in a resulting flow (30), on the heated surface of the article to be coated, to determine the melting of the same powders at their contact with said heated surface. At least one couple of flows (31, 32) of compressed air is sprayed converging towards the resulting flow (30) flowing out of the mixing device (1), giving the resulting flow (30) a substantially flattened fan shape. The converging flows (31,32) of compressed air are sprayed by inclined passageways (17,18) located between a first ring of compressed air nozzles (13) and an outside ring of fuel nozzles (14).
B05B 7/08 - Spray pistolsApparatus for discharge with separate outlet orifices, e.g. to form parallel jets, to form intersecting jets
B05B 7/20 - Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas incorporating means for heating the material to be sprayed by flame or combustion
C23C 4/12 - Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the method of spraying
17.
METHOD AND APPARATUS FOR FLAME SPRAYING THERMOPLASTIC POWDERS
The method for flame spraying thermoplastic powders provides to heat the article to be coated at a suitable working temperature and to feed the said thermoplastic powders transported by an inert gas through inlet (4), a flow of compressed air or nitrogen through inlet (5) and a flow of liquefied petroleum gas through inlet (6), then through respective separated discharge chambers (7, 9, 12) shaped inside a mixing device (1) of a spray gun. The thermoplastic powders are then projected, in a resulting flow (30), on the heated surface of the article to be coated, to determine the melting of the same powders at their contact with said heated surface. At least one couple of flows (31, 32) of compressed air is sprayed converging towards the resulting flow (30) flowing out of the mixing device (1), giving the resulting flow (30) a substantially flattened fan shape. The converging flows (31,32) of compressed air are sprayed by inclined passageways (17,18) located between a first ring of compressed air nozzles (13) and an outside ring of fuel nozzles (14).
B05B 7/08 - Spray pistolsApparatus for discharge with separate outlet orifices, e.g. to form parallel jets, to form intersecting jets
B05B 7/20 - Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas incorporating means for heating the material to be sprayed by flame or combustion
C23C 4/12 - Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the method of spraying
The air gun comprises a substantially cylindrical-shaped external case (2), provided at one end with a connection element (8) suitable to enable the connection of the air gun (1) with a device for supplying a fluid to be sprayed, and provided at the opposite end with an expulsion device (10) suitable to enable the outlet of the fluid to be sprayed towards the outside. Inside the case (2) is arranged a vortex generator device (9) provided with a plurality of internal walls (91) having curvilinear profiles. The walls (91) define a plurality of separated helical pipes (93), in order to give the fluid to be sprayed a helical rotatory motion.
B05B 1/34 - Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl
B24C 5/02 - Blast guns, e.g. for generating high velocity abrasive fluid jets for cutting materials
B24C 7/00 - Equipment for feeding abrasive materialControlling the flowability, constitution, or other physical characteristics of abrasive blasts
B05B 7/14 - Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas designed for spraying particulate materials
03 - Cosmetics and toiletries; cleaning, bleaching, polishing and abrasive preparations
07 - Machines and machine tools
Goods & Services
(1) Wet and dry abrasive cleaning machines and accessories therefore, namely, nozzles, hoses, lances and funnels; pressure blasting/shot-peening cabinets; air compressors and air dryers for industrial machinery; blasting sand and blasting shot; grouting machines for the construction industry.
Abrasive blast cleaning machines and accessories for the aforementioned machines, namely, nozzles, hoses, lances and funnels; sand cleaning machines; sand blasting apparatus; air compressors, electric compressors, compressor cleaning machines, air drying machines for industrial machinery; Machines for blast cleaning a surface, namely, pressure blasting cleaning machines and shot-peening cabinet machines; grouting machines for the construction industry
The air gun comprises a substantially cylindrical-shaped external case (2), provided at one end with a connection element (8) suitable to enable the connection of the air gun (1) with a device for supplying a fluid to be sprayed, and provided at the opposite end with an expulsion device (10) suitable to enable the outlet of the fluid to be sprayed towards the outside. Inside the case (2) is arranged a vortex generator device (9) provided with a plurality of internal walls (91 ) having curvilinear profiles. The walls (91 ) define a plurality of separated helical pipes (93), in order to give the fluid to be sprayed a helical rotatory motion.
B05B 1/34 - Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to influence the nature of flow of the liquid or other fluent material, e.g. to produce swirl
The claimed valve, here illustrated in a longitudinal section and while the sandblasting machine is working, substantially consists of a body (1) that, being suited to the fastening of the nozzle (3) on which to fix the flexible rubber hose carrying the spray gun on its opposite end, is entirely longitudinally crossed by a mixing chamber having the inlet (4) of the compressed air in a first area with larger diameter (2A) and the inlet (5) of the abrasive particles in a second area (2B), coaxial to the first one. Inside the said chamber (2A, 2B) there is the cut-off (6) composed of two coaxial parts (6A) and (6B) with different diameter, being the first (6A) constrained to the said mechanical or pneumatic means suited to the closing movement and the second one (6B), with smaller diameter, to the first one through a connecting pin (7) serving as spring-holder for the cylindrical coil spring (8) serving to reciprocally space the said two parts (6A) and (6B) of the cut-off in closure position.
Inside a container body (1) are arranged the tank-compartment (1A) for the material to be contained and the duct (1B) through which the coming compressed air flows, both to pass directly in the tank-compartment (1A) and to flow further towards the mixing valve (15), suitable for mixing the compressed air and the material.
B24C 3/06 - Abrasive blasting machines or devicesPlants characterised by the arrangement of the component assemblies with respect to each other movableAbrasive blasting machines or devicesPlants characterised by the arrangement of the component assemblies with respect to each other portable
B24C 7/00 - Equipment for feeding abrasive materialControlling the flowability, constitution, or other physical characteristics of abrasive blasts
