WO2024065016A1 - Cold polyurea and polyurethane applicator device with a purge function, an air cap and a fan jet - Google Patents

Cold polyurea and polyurethane applicator device with a purge function, an air cap and a fan jet Download PDF

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Publication number
WO2024065016A1
WO2024065016A1 PCT/BR2022/050402 BR2022050402W WO2024065016A1 WO 2024065016 A1 WO2024065016 A1 WO 2024065016A1 BR 2022050402 W BR2022050402 W BR 2022050402W WO 2024065016 A1 WO2024065016 A1 WO 2024065016A1
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WO
WIPO (PCT)
Prior art keywords
air
stage
nozzle
gun
polyurea
Prior art date
Application number
PCT/BR2022/050402
Other languages
French (fr)
Portuguese (pt)
Inventor
Andre Schuch OLIVEIRA
Original Assignee
Oliveira Andre Schuch
Priority date (The priority date 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 date listed.)
Filing date
Publication date
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Publication of WO2024065016A1 publication Critical patent/WO2024065016A1/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
    • B05B12/02—Arrangements for controlling delivery; Arrangements for controlling the spray area for controlling time, or sequence, of delivery
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
    • B05B12/16—Arrangements for controlling delivery; Arrangements for controlling the spray area for controlling the spray area
    • B05B12/18—Arrangements for controlling delivery; Arrangements for controlling the spray area for controlling the spray area using fluids, e.g. gas streams
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B14/00—Arrangements for collecting, re-using or eliminating excess spraying material
    • B05B14/40—Arrangements for collecting, re-using or eliminating excess spraying material for use in spray booths
    • B05B14/43—Arrangements for collecting, re-using or eliminating excess spraying material for use in spray booths by filtering the air charged with excess material
    • B05B14/435—Arrangements for collecting, re-using or eliminating excess spraying material for use in spray booths by filtering the air charged with excess material with means for cleaning the filters by gas flow, e.g. blasts of air
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—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
    • B05B7/02—Spray pistols; Apparatus for discharge
    • B05B7/12—Spray pistols; Apparatus for discharge designed to control volume of flow, e.g. with adjustable passages
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—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
    • B05B7/24—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 with means, e.g. a container, for supplying liquid or other fluent material to a discharge device
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—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
    • B05B7/24—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 with means, e.g. a container, for supplying liquid or other fluent material to a discharge device
    • B05B7/26—Apparatus in which liquids or other fluent materials from different sources are brought together before entering the discharge device
    • B05B7/28—Apparatus in which liquids or other fluent materials from different sources are brought together before entering the discharge device in which one liquid or other fluent material is fed or drawn through an orifice into a stream of a carrying fluid
    • B05B7/32—Apparatus in which liquids or other fluent materials from different sources are brought together before entering the discharge device in which one liquid or other fluent material is fed or drawn through an orifice into a stream of a carrying fluid the fed liquid or other fluent material being under pressure

Definitions

  • the inputs used by the device are Polyurethane, formed with the components isocyanate and polyol, and Polyurea, which is a mixture of isocyanate and amine.
  • component A and component B are normally used for the reactant products in the application.
  • the application currently uses the hot application technique, both for Polyurea and Polyurethane, using a product pump, one side for component A and component B.
  • the new invention consists of a two-stage application gun, a different device from the current gun developed for hot application, using the following changes:
  • the pressure used in the first stage of the gun is always greater than 3500PSI so that the product can be mixed cold, instead of pressures between 1000 and 2500PSI used hot.
  • the gun's original air purge system cleans the device, allowing the application to be paused.
  • the device under invention causes the products to pass at high pressure in the first stage of the gun to allow perfect mixing, but to be sprayed at low pressure with a controlled application.
  • the invented device consists of a gun for applying two reagent components, basically: isocyanate and polyol, or isocyanate and amine, in the chemical synthesis of Polyurethane and Polyurea, respectively, in the chemical and commercial variations available on the market.
  • the invented device consists of a two-stage gun, using a first stage of high pressure greater than 3500PSI so that products can be mixed cold, with a small diameter nozzle with a ratio of 1/8 (one eighth ) of the application nozzle section diameter, and a second stage with application nozzles and conventional pressure, enabling fan opening and air purging to clean the equipment when application is interrupted.
  • Air curtain it is the compressed air that comes out of the air hood that is responsible for forming the spray fan, as occurs in all compressed air spray guns, made for painting in general.
  • Air cap It is screwed onto the same end as the low pressure nozzle, and is responsible for regulating the spray range of the product.
  • Low pressure nozzle This nozzle is screwed onto the other end of Flange #3, and has a hole with an area approximately 8 times larger than the high pressure nozzle that is positioned on the other end of the flange. This increase in area allows the product to come out at low pressure, a necessary requirement for us to be able to regulate the painting range with compressed air.
  • 3 Low pressure nozzle adaptation flange It is screwed into the gun's mixing chamber, keeping its original high-pressure nozzle, which is pressed between the mixing chamber and the aforementioned flange.
  • Fan adjustment screw Similar to the system used in conventional paint guns, it regulates the size of the paint fan, adjusting the outlet in the air cap.
  • Pressure reducing tube Having a diameter similar to that of the low pressure nozzle (with an area on average 8 times larger than the polyurea gun nozzle), it receives the product on one side at high pressure (from nozzle 06), due to the increase in area , sends low pressure to the nozzle at the other end (nozzle 02). As it has a smooth and straight hole, the air from the gun can purge all the product after application, cleaning the system.
  • Double-stage gun consisting of the first stage of a conventional paint gun modified using a finer nozzle to work with greater pressure, greater than 3500PSI, (image of item 39), with a second stage (represented by the image of item 38), characterized by mixing the chemical elements cold in a first stage of high pressure, to the pressure reducing tube to a flange with a second nozzle with a section about 8 times larger than that used in the first stage, the product is applied with a nozzle low pressure spraying with the possibility of using an Air Cap, controlled with screws that adjust the air intake and spray range, with an air purge system that cleans the device and can be paused.
  • Accessory device consisting of (7) mixing chamber for chemical components, (6) mixing pressure control nozzle, with diameters smaller than those used in hot applications, (5) pressure reducing tube, with (5A) fixing thread on (3) adaptation flange and (5B) sealing ring, fan adjustment screw (4A) that adjusts the air cap outlet and screw (4B) that regulates the amount of air spraying , low pressure spray nozzle (2) with Air Cap (1), characterized by being a device capable of adapting a conventional paint gun into a cold application device for polyurea or polyurethane, with the possibility of purging, air cap air and fan jet.
  • the present invention in patent application is a Cold Polyurea and Polyurethane Application Device, with the possibility of purging, air cap and fan jet.
  • the device can be used in two alternatives, which resulted in two claims, first as an integrated part of a two-stage application gun formed into a single body or second, as an accessory capable of being used in adaptation, adding the functionalities on a generic stock pistol.
  • the equipment is used to apply Polyurea, for waterproofing, anti-corrosion protection and protection against wear from abrasive products, and to apply Polyurethane for thermal insulation, waterproofing and to fill areas where contact with air or liquid is not desired.

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  • Nozzles (AREA)

Abstract

The present patent application relates to a cold polyurea and polyurethane applicator device adapted to allow purging and having an air cap and a fan jet. The device can be used in two alternative forms, which has resulted in two claims, firstly as a part integrated with a two-stage applicator gun formed as a single body, or secondly as an accessory that can be used as an adaptor for increasing the functionalities of a generic common gun. The apparatus is used to apply polyurea for waterproofing, anti-corrosion protection and protection against wear from abrasive products, and to apply polyurethane for thermal insulation, waterproofing and to fill areas in which contact with air or liquid is not desired. There are a number of variations of these products on the market that can be applied using the invented device, which have various trade names and some variations in texture, density, and concentration, the device for which a patent is sought being adjustable to suit the various purposes, uses and materials available on the market.

Description

“Dispositivo de Aplicação de Poliureia e Poliuretano a frio, com purga, capa de ar e jato em leque” “Cold Polyurea and Polyurethane Application Device, with purge, air cap and fan jet”
(1) Relatório Descritivo: (1) Descriptive Report:
(2) Utilidade da Invenção: A Aplicação de Poliureia serve para impermeabilização, proteção anticorrosiva e proteção contra desgaste de produtos abrasivos, como uma pintura, só que muito mais resistente. (2) Utility of the Invention: The Application of Polyurea serves for waterproofing, anti-corrosion protection and protection against wear from abrasive products, like paint, but much more resistant.
(3) Já a aplicação de Poliuretano (ambas usam o mesmo equipamento) serve para isolamento térmico, impermeabilização e para preenchimento de áreas aonde não se deseja contato com ar ou líquido, como dentro de Chassis de Ônibus por exemplo. (3) The application of Polyurethane (both use the same equipment) is used for thermal insulation, waterproofing and for filling areas where contact with air or liquid is not desired, such as inside Bus Chassis, for example.
(4) Os insumos utilizados pelo dispositivo são o Poliuretano, formada com os componentes isocianato e poliol, e a Poliureia, que é a mistura de isocianato e amina. (4) The inputs used by the device are Polyurethane, formed with the components isocyanate and polyol, and Polyurea, which is a mixture of isocyanate and amine.
(5) Existem no mercado algumas variações destes produtos, com diferentes nomes comerciais, de maneira que normalmente se usa as denominações: componente A e componente B para os produtos reagentes na aplicação. (5) There are some variations of these products on the market, with different commercial names, so that the names: component A and component B are normally used for the reactant products in the application.
(6) Técnica Atual: (6) Current Technique:
(7) A Aplicação atualmente, usa a técnica de aplicação a quente, tanto de Poliureia, quanto de Poliuretano, usa uma bomba de produto, um lado para o componente A e componente B. (7) The application currently uses the hot application technique, both for Polyurea and Polyurethane, using a product pump, one side for component A and component B.
(8) Depois de passar pela bomba, são utilizados dois aquecedores (um para cada componente) de uma potência de 12.000W ou superior, seguindo de uma mangueira dupla totalmente aquecida. (8) After passing through the pump, two heaters (one for each component) with a power of 12,000W or greater are used, followed by a fully heated double hose.
(9) O produto não pode ser aplicado a uma temperatura inferior a 60 Graus, sendo necessário que se mantenha aquecido em todo o processo.(9) The product cannot be applied at a temperature lower than 60 degrees, and it must be kept warm throughout the process.
(10) Depois de sair pela mangueira aquecida, os dois componentes entram na pistola comum que faz a mistura e pulveriza. (10) After leaving the heated hose, the two components enter the common gun that mixes and sprays.
(11) Quando o aplicador solta o gatilho da pistola, como o produto reage quase que instantaneamente, um sistema de purga com ar comprimido e acionado na hora somente para não permitir que o produto catalise no bico de pulverização e na câmera de mistura da pistola. (12) Atualmente existem aplicações a frio tanto no Poliuretano, quanto na Poliureia, existindo muitos tipos de dispositivo, porém nenhum dispositivo do atual estado da técnica possui a aplicação a frio com purga a ar. (11) When the applicator releases the gun trigger, as the product reacts almost instantly, a purge system with compressed air is activated immediately to prevent the product from catalyzing in the spray nozzle and mixing chamber of the gun. . (12) Currently there are cold applications for both Polyurethane and Polyurea, with many types of device, but no device in the current state of the art has cold application with air purging.
(13) Com exceção do Poliuretano em Spray, em todos os dispositivos atuais a frio o Isocianato e o Poliol passam a baixa pressão por um misturador estático (um artefato colocado dentro de um tubo que faz com que os produtos misturem ao passar por ele), e saem em um bico que pode ter uma injeção de ar comprimido para formar um Spray. (13) With the exception of Spray Polyurethane, in all current cold devices, Isocyanate and Polyol pass at low pressure through a static mixer (an artifact placed inside a tube that causes the products to mix as they pass through it) , and come out in a nozzle that can be injected with compressed air to form a Spray.
(14) A questão é que em todos estes dispositivos a aplicação precisa ser ininterrupta, pois uma vez cessado o fluxo de produto, mesmo que por uma fração de segundo, ele seca no bloco misturador e o artefato precisa ser descartado. (14) The point is that in all these devices the application needs to be uninterrupted, because once the product flow stops, even for a fraction of a second, it dries in the mixing block and the artifact needs to be discarded.
(15) Tal processo torna impossível uma aplicação mais precisa, gera um desperdício enorme de material e um custo enorme para o aplicador. (15) This process makes a more precise application impossible, generates a huge waste of material and a huge cost for the applicator.
(16) Por esta razão que a maioria das aplicações até hoje é feita a quente, pela falta atual da característica de purga a ar nas atuais aplicações a frio, deficiência importante que a nova invenção resolve. (16) For this reason, most applications to date are carried out hot, due to the current lack of air purging in current cold applications, an important deficiency that the new invention resolves.
(17) Diferencial da nova invenção : (17) Differentiator of the new invention:
(18) A nova invenção consiste de uma pistola de aplicação com dois estágios, um dispositivo diferente da atual pistola desenvolvida para aplicação a quente, utilizando as seguintes alterações: (18) The new invention consists of a two-stage application gun, a different device from the current gun developed for hot application, using the following changes:
(19) A pressão utilizada no primeiro estágio da pistola é sempre superior a 3500PSI para que o produto possa ser misturado a frio, em vez de pressões entre 1000 e 2500PSI utilizadas a quente. (19) The pressure used in the first stage of the gun is always greater than 3500PSI so that the product can be mixed cold, instead of pressures between 1000 and 2500PSI used hot.
(20) Alterações na pistola são necessárias para que ela aguente uma pressão maior de trabalho, visto que a mistura a frio se torna mais difícil devido a maior viscosidade do material e da impossibilidade de aquecer mais o produto mais viscoso para facilitar a mistura. (20) Changes to the gun are necessary so that it can withstand greater working pressure, as cold mixing becomes more difficult due to the greater viscosity of the material and the impossibility of heating the more viscous product to facilitate mixing.
(21) Segundo, como utilizamos pressões superiores é necessário utilizar um bico menor na saída do primeiro estágio da pistola para reduzir a vazão, pois se utilizarmos os furos originais feitos para aplicação a quente, mesmo que utilizando o menor deles, nestas pressões mais elevadas será impossível fazer a aplicação. (22) A terceira parte consiste na maior diferença do dispositivo em invenção: (21) Second, as we use higher pressures, it is necessary to use a smaller nozzle at the exit of the first stage of the gun to reduce the flow, because if we use the original holes made for hot application, even if using the smallest one, at these higher pressures it will be impossible to apply. (22) The third part consists of the biggest difference of the device under invention:
(23) Após o produto sair misturado do estágio de alta pressão, nós instalamos um segundo estágio com um segundo bico de pistola de ar, semelhante aos originais de uma pistola de pintura convencional. (23) After the mixed product exits the high pressure stage, we install a second stage with a second air gun nozzle, similar to the originals of a conventional spray gun.
(24) Como o bico que colocamos no segundo estágio possui uma área de seção aproximadamente 8 vezes maior do que a utilizada na saída do primeiro estágio, o produto agora está a baixa pressão. (24) As the nozzle we placed in the second stage has a sectional area approximately 8 times larger than that used at the first stage outlet, the product is now at low pressure.
(25) O ar comprimido da pistola faz com que não só se consiga abrir um leque de pulverização, bem como controlar o tamanho do leque de pulverização, algo até então inédito. (25) The compressed air from the gun makes it possible not only to open a spray fan, but also to control the size of the spray fan, something previously unheard of.
(26) O sistema de purga a ar original da pistola limpa o dispositivo, fazendo com que a aplicação possa ser pausada. (26) The gun's original air purge system cleans the device, allowing the application to be paused.
(27) O dispositivo em invenção faz com que os produtos passem a uma pressão alta no primeiro estágio da pistola para permitir a mistura perfeita, mas que seja pulverizado a baixa pressão com uma aplicação controlada.(27) The device under invention causes the products to pass at high pressure in the first stage of the gun to allow perfect mixing, but to be sprayed at low pressure with a controlled application.
(28) Como o dispositivo consegue misturar o produto a alta pressão e pulverizar a baixa pressão não necessita de aquecimento, trabalhando a frio.(28) As the device can mix the product at high pressure and spray at low pressure, it does not require heating, working cold.
(29) Este processo reduz 1/3 o valor da máquina, facilita o processo de aplicação e permite fazer toda aplicação apenas utilizando ar comprimido, sem sequer haver a necessidade de energia elétrica na obra. (29) This process reduces the value of the machine by 1/3, facilitates the application process and allows the entire application to be carried out using only compressed air, without even needing electrical energy on site.
(30) Elementos técnicos: (30) Technical elements:
(31) O dispositivo inventado consiste em uma pistola para aplicação de dois componentes reagentes, basicamente: isocianato e poliol, ou isocianato e amina, na síntese química de Poliuretano e Poliuréia, respectivamente, nas variações químicas e comerciais que há no mercado. (31) The invented device consists of a gun for applying two reagent components, basically: isocyanate and polyol, or isocyanate and amine, in the chemical synthesis of Polyurethane and Polyurea, respectively, in the chemical and commercial variations available on the market.
(32) O dispositivo inventado consiste de uma pistola de dois estágios, usando um primeiro estágio de alta pressão superior a 3500PSI para que os produtos possam ser misturados a frio, com um bico de pequeno diâmetro com uma relação de 1/8 (um oitavo) do diâmetro de seção do bico de aplicação, e um segundo estágio com bicos de aplicação e pressão convencional, possibilitando abertura de leque e purga a ar para a limpeza do equipamento na interrupção da aplicação. (33) Definição de Purga: Quando se está aplicando a pistola está deixando entrar o componente A e o componente B, que é misturado e pulverizado em tempo real. No momento em que se larga o gatilho da pistola, entra ar comprimido instantaneamente, que serve para "purgar" o que ficou de produto misturado ali dentro, efetuando a limpeza desta área mínima aonde existem os dois componentes misturados. Se não existisse a "purga" esses produtos de reação extremamente rápida iriam secar, obstruindo o sistema.(32) The invented device consists of a two-stage gun, using a first stage of high pressure greater than 3500PSI so that products can be mixed cold, with a small diameter nozzle with a ratio of 1/8 (one eighth ) of the application nozzle section diameter, and a second stage with application nozzles and conventional pressure, enabling fan opening and air purging to clean the equipment when application is interrupted. (33) Purge Definition: When applying, the gun is letting in component A and component B, which are mixed and sprayed in real time. The moment you release the gun trigger, compressed air instantly enters, which serves to "purge" any remaining product mixed inside, cleaning this minimal area where the two components are mixed. If the "purge" did not exist, these extremely fast reaction products would dry out, clogging the system.
(34) A possibilidade de “purga” para que se possa interromper a aplicação a frio de poliureia a poliuretano é um diferencial desta invenção. (34) The possibility of “purging” so that the cold application of polyurea to polyurethane can be interrupted is a distinguishing feature of this invention.
(35) Cortina de ar: é o ar comprimido que sai da capa de ar que é responsável por formar o leque de pulverização, como ocorre em todas as pistolas de pintura com ar comprimido, feitas para pinturas em geral. (35) Air curtain: it is the compressed air that comes out of the air hood that is responsible for forming the spray fan, as occurs in all compressed air spray guns, made for painting in general.
(36) Os diferenciais da técnica desta invenção são a possibilidade de uso de cortina de ar, associada à possibilidade de purga, com regulagem do leque de pulverização e interrupção da aplicação a frio, todas condições essenciais para uma excelente funcionalidade da aplicação. (36) The differences in the technique of this invention are the possibility of using an air curtain, associated with the possibility of purging, adjusting the spray range and interrupting the cold application, all essential conditions for excellent application functionality.
(37) Ilustrações técnicas: (37) Technical illustrations:
(38) Dispositivo do invento de dois estágios:
Figure imgf000005_0001
(39) Pistola de Aplicação misturadora com duas entradas:
Figure imgf000006_0001
(38) Two-stage device of the invention:
Figure imgf000005_0001
(39) Mixing application gun with two inlets:
Figure imgf000006_0001
(40) Peças do dispositivo, legenda dos desenhos expandidos: (40) Device parts, expanded drawing legend:
1 : Capa de ar. Vai enroscada na mesma extremidade aonde se encontra o bico de baixa pressão, e é responsável por regular o leque de pulverização do produto. 1: Air cap. It is screwed onto the same end as the low pressure nozzle, and is responsible for regulating the spray range of the product.
2: Bico de baixa pressão. Esse bico vai enroscado na outra extremidade do Flange #3, e possui um furo com uma área aproximadamente 8 vezes maior do que o bico de alta pressão que está posicionado na outra extremidade do flange. Tal aumento de área permite que o produto saia a baixa pressão, quesito necessário para que consigamos regular o leque de pintura com ar comprimido. 3 Flange de adaptação do bico de baixa pressão. Vai enroscado na câmera de mistura da pistola, mantendo o bico de alta pressão original da mesma, que fica prensado entre a câmera de mistura e o referido flange.2: Low pressure nozzle. This nozzle is screwed onto the other end of Flange #3, and has a hole with an area approximately 8 times larger than the high pressure nozzle that is positioned on the other end of the flange. This increase in area allows the product to come out at low pressure, a necessary requirement for us to be able to regulate the painting range with compressed air. 3 Low pressure nozzle adaptation flange. It is screwed into the gun's mixing chamber, keeping its original high-pressure nozzle, which is pressed between the mixing chamber and the aforementioned flange.
4A: Regulagem do ar de pulverização. Parafuso de regulagem de leque: Semelhante ao sistema utilizado nas pistolas de pintura convencionais, regula o tamanho do leque de tinta, ajustando a saída na capa de ar. 4A: Spray air adjustment. Fan adjustment screw: Similar to the system used in conventional paint guns, it regulates the size of the paint fan, adjusting the outlet in the air cap.
4B: Regulagem do tamanho do leque. Regulagem da quantidade de ar de pulverização: Trata-se de um sistema que ajusta a quantidade de ar de pulverização. 4B: Fan size adjustment. Adjusting the amount of spray air: This is a system that adjusts the amount of spray air.
5: Tubo redutor de pressão. Possuindo um diâmetro semelhante ao do bico de baixa pressão (com área em média 8 vezes maior do que o bico da pistola de Poliureia), recebe o produto de um lado a alta pressão (do bico 06), as por causa do aumento de área, manda a baixa pressão para o bico que se encontra na outra extremidade (bico 02). Como ele possui um furo liso e reto, o ar da pistola consegue purgar todo o produto após a aplicação, limpando o sistema. 5: Pressure reducing tube. Having a diameter similar to that of the low pressure nozzle (with an area on average 8 times larger than the polyurea gun nozzle), it receives the product on one side at high pressure (from nozzle 06), due to the increase in area , sends low pressure to the nozzle at the other end (nozzle 02). As it has a smooth and straight hole, the air from the gun can purge all the product after application, cleaning the system.
5A: Rosca de fixação do flange de adaptação (3) e no tubo redutor de pressão (5). 5A: Fastening thread on the adaptation flange (3) and on the pressure reducing tube (5).
5B: O-ring de vedação do tubo redutor de pressão na pistola. 5B: O-ring sealing the pressure reducing tube in the gun.
6: Bico de controle de pressão de mistura. (Com diâmetros menores do que os utilizados nas aplicações a quente) 6: Mixing pressure control nozzle. (With smaller diameters than those used in hot applications)
7: Câmera de mistura da pistola. 7: Gun mixing chamber.
8+9: Entradas do ar de pulverização.
Figure imgf000007_0001
Figure imgf000008_0001
8+9: Spray air inlets.
Figure imgf000007_0001
Figure imgf000008_0001
Figure imgf000009_0001
Figure imgf000010_0001
Figure imgf000011_0001
Figure imgf000012_0001
Figure imgf000009_0001
Figure imgf000010_0001
Figure imgf000011_0001
Figure imgf000012_0001
Figure imgf000013_0001
Figure imgf000013_0001
(41) Reivindicações: (41) Claims:
(42) Pistola de duplo estágio, constituída no primeiro estágio de uma pistola convencional de pintura modificada usando um bico mais fino para trabalhar com maior pressão, superior a 3500PSI, (imagem do item 39), com um segundo estágio (representado pela imagem do item 38), caracterizada por misturar os elementos químicos a frio em um primeiro estágio de alta pressão, para o tubo redutor de pressão até um flange com um segundo bico de seção cerca de 8 vezes maior do que a utilizada no primeiro estágio, o produto se aplica com bico de pulverização de baixa pressão com possibilidade de uso de Capa de Ar, controlado com parafusos que ajustam a entrada de ar e o leque de pulverização, com sistema de purga a ar que limpa o dispositivo, podendo ser pausada. (42) Double-stage gun, consisting of the first stage of a conventional paint gun modified using a finer nozzle to work with greater pressure, greater than 3500PSI, (image of item 39), with a second stage (represented by the image of item 38), characterized by mixing the chemical elements cold in a first stage of high pressure, to the pressure reducing tube to a flange with a second nozzle with a section about 8 times larger than that used in the first stage, the product is applied with a nozzle low pressure spraying with the possibility of using an Air Cap, controlled with screws that adjust the air intake and spray range, with an air purge system that cleans the device and can be paused.
(43) Dispositivo acessório, constituído por (7) câmara de mistura dos componentes químicos, (6) bico de controle de pressão de mistura, com diâmetros menores do que os utilizados nas aplicações a quente, (5) tubo redutor de pressão, com (5A) rosca de fixação no (3) flange de adaptação e (5B) anel de vedação, parafuso de regulagem de leque (4A) que ajusta a saída da capa de ar e parafuso (4B) que regula a quantidade de ar da pulverização, bico de pulverização de baixa pressão (2) com Capa de Ar (1 ), caracterizado por ser um aparelho capaz de adaptar uma pistola convencional de pintura em um aparelho de aplicação a frio de poliureia ou poliuretano, com possibilidade de purga, capa de ar e jato em leque. (43) Accessory device, consisting of (7) mixing chamber for chemical components, (6) mixing pressure control nozzle, with diameters smaller than those used in hot applications, (5) pressure reducing tube, with (5A) fixing thread on (3) adaptation flange and (5B) sealing ring, fan adjustment screw (4A) that adjusts the air cap outlet and screw (4B) that regulates the amount of air spraying , low pressure spray nozzle (2) with Air Cap (1), characterized by being a device capable of adapting a conventional paint gun into a cold application device for polyurea or polyurethane, with the possibility of purging, air cap air and fan jet.
(44) Resumo: (44) Summary:
(45) A presente invenção em pedido de patente trata-se de um Dispositivo de Aplicação de Poliureia e Poliuretano a frio, com possibilidade de purga, capa de ar e jato em leque. (45) The present invention in patent application is a Cold Polyurea and Polyurethane Application Device, with the possibility of purging, air cap and fan jet.
(46) O dispositivo pode ser usado em duas alternativas, que resultaram em dois pedidos de reivindicação, primeiro como parte integrada de uma pistola de aplicação de dois estágios formados em corpo único ou segundo, como acessório capaz de ser usado em adaptação agregando as funcionalidades em uma pistola comum genérica. (46) The device can be used in two alternatives, which resulted in two claims, first as an integrated part of a two-stage application gun formed into a single body or second, as an accessory capable of being used in adaptation, adding the functionalities on a generic stock pistol.
(47) O equipamento serve para aplicação de Poliureia, para impermeabilização, proteção anticorrosiva e proteção contra desgaste de produtos abrasivos, e para aplicação de Poliuretano para isolamento térmico, impermeabilização e para preenchimento de áreas aonde não se deseja contato com ar ou líquido. (47) The equipment is used to apply Polyurea, for waterproofing, anti-corrosion protection and protection against wear from abrasive products, and to apply Polyurethane for thermal insulation, waterproofing and to fill areas where contact with air or liquid is not desired.
(48) Existem no mercado algumas variações destes produtos que são aplicados pelo aparelho inventado, com diferentes nomes comerciais, e algumas variações de textura, densidade e concentração, de maneira que o dispositivo em fase de patente possui habilidade de regulagens e ajustes, para uso dos diversos objetivos, utilidades e insumos disponíveis no mercado. (48) There are some variations of these products on the market that are applied by the invented device, with different commercial names, and some variations in texture, density and concentration, so that the device in the patent phase has the ability to regulate and adjust, for use with the different objectives, utilities and inputs available on the market.
Atenciosamente, aguarda-se o deferimento. Sincerely, approval is awaited.
Porto Alegre, 30 de setembro de 2022
Figure imgf000015_0001
Porto Alegre, September 30, 2022
Figure imgf000015_0001
Inventor: ANDRÉ SCHUCH DE OLIVEIRA Inventor: ANDRÉ SCHUCH DE OLIVEIRA
Procurador: AIRES FREDERICO ECHENIQUE BECKER
Figure imgf000015_0002
Attorney: AIRES FREDERICO ECHENIQUE BECKER
Figure imgf000015_0002

Claims

I 1 Instituto Nacional da Propriedade Industrial 5 Pedido de Patente Inventor: ANDRÉ SCHUCH DE OLIVEIRA, Procurador: AIRES FREDERICO ECHENIQUE BECKER, brasileiro, casado, advogado, inscrito na OAB/ RS sob o n.° 50.514; com escritório profissional na Rua João Caetano, n.° 25, Porto Alegre, RS. Porto Alegre, 05 de setembro de 2022 I 1 National Institute of Industrial Property 5 Patent Application Inventor: ANDRÉ SCHUCH DE OLIVEIRA, Attorney: AIRES FREDERICO ECHENIQUE BECKER, Brazilian, married, lawyer, registered with the OAB/RS under no. 50.514; with professional office at Rua João Caetano, n.° 25, Porto Alegre, RS. Porto Alegre, September 5, 2022
(1) Reivindicações: (1) Claims:
(2) Pistola de duplo estágio, constituída no primeiro estágio de uma pistola convencional de pintura modificada usando um bico mais fino para trabalhar com maior pressão, superior a 3500PSI, (imagem do item 39), com um segundo estágio (representado pela imagem do item 38), caracterizada por misturar os elementos químicos a frio em um primeiro estágio de alta pressão, para o tubo redutor de pressão até um flange com um segundo bico de seção cerca de 8 vezes maior do que a utilizada no primeiro estágio, o produto se aplica com bico de pulverização de baixa pressão com possibilidade de uso de Capa de Ar, controlado com parafusos que ajustam a entrada de ar e o leque de pulverização, com sistema de purga a ar que limpa o dispositivo, podendo ser pausada. (2) Double-stage gun, consisting of the first stage of a conventional paint gun modified using a finer nozzle to work with greater pressure, greater than 3500PSI, (image of item 39), with a second stage (represented by the image of item 38), characterized by mixing the chemical elements cold in a first stage of high pressure, to the pressure reducing tube to a flange with a second nozzle with a section about 8 times larger than that used in the first stage, the product It is applied with a low pressure spray nozzle with the possibility of using an Air Cap, controlled with screws that adjust the air intake and spray range, with an air purge system that cleans the device and can be paused.
(3) Dispositivo acessório, constituído por (7) câmara de mistura dos componentes químicos, (6) bico de controle de pressão de mistura, com diâmetros menores do que os utilizados nas aplicações a quente, (5) tubo redutor de pressão, com (5A) rosca de fixação no (3) flange de adaptação e (5B) anel de vedação, parafuso de regulagem de leque (4A) que ajusta a saída da capa de ar e parafuso (4B) que regula a quantidade de ar da pulverização, bico de pulverização de baixa pressão (2) com Capa de Ar (1 ), caracterizado por ser um aparelho capaz de adaptar uma pistola convencional de pintura em um aparelho de aplicação a frio de poliureia ou poliuretano, com possibilidade de purga, capa de ar e jato em leque. (3) Accessory device, consisting of (7) mixing chamber for chemical components, (6) mixing pressure control nozzle, with diameters smaller than those used in hot applications, (5) pressure reducing tube, with (5A) fixing thread on (3) adaptation flange and (5B) sealing ring, fan adjustment screw (4A) that adjusts the air cap outlet and screw (4B) that regulates the amount of air spraying , low pressure spray nozzle (2) with Air Cap (1), characterized by being a device capable of adapting a conventional paint gun into a cold application device for polyurea or polyurethane, with the possibility of purging, air cap air and fan jet.
Porto Alegre, 30 de setembro de 2022 Porto Alegre, September 30, 2022
Procurador: AIRES FREDERICO ECHENIQUE BECKER Attorney: AIRES FREDERICO ECHENIQUE BECKER
PCT/BR2022/050402 2022-09-30 2022-10-18 Cold polyurea and polyurethane applicator device with a purge function, an air cap and a fan jet WO2024065016A1 (en)

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* Cited by examiner, † Cited by third party
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US3799403A (en) * 1973-04-26 1974-03-26 Ransburg Corp Plural component dispensing device and method
US3837575A (en) * 1973-08-27 1974-09-24 Upjohn Co Spray gun
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US6488991B1 (en) * 2001-12-18 2002-12-03 Bayer Corporation Process for spraying one-component compositions with air-assisted, low pressure equipment having an improved spray nozzle
EP1556172A2 (en) * 2002-10-22 2005-07-27 Graco Minnesota Inc. Plural component spray gun for fast setting materials
US20040195369A1 (en) * 2003-02-28 2004-10-07 Strong Christopher L. One-piece fluid nozzle
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US20130292491A1 (en) * 2012-05-07 2013-11-07 Brian Cvetezar Fluid housing for spray gun
US20180104854A1 (en) * 2016-10-18 2018-04-19 Graco Minnesota Inc. Flat fan spraying apparatus for the dispensing of ultra-high fast set two component materials
US20180126396A1 (en) * 2016-11-09 2018-05-10 Pedero Pipe Support Systems Usa, Lp High-volume foam spray gun
US20180353982A1 (en) * 2017-05-01 2018-12-13 Wagner Spray Tech Corporation Mixer design for a plural component system
WO2022155686A1 (en) * 2021-01-15 2022-07-21 Schmitz Tanner M J Pneumatic rotary actuated spray gun

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