EP1963025B1 - Sprühpistole - Google Patents

Sprühpistole Download PDF

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Publication number
EP1963025B1
EP1963025B1 EP06817479A EP06817479A EP1963025B1 EP 1963025 B1 EP1963025 B1 EP 1963025B1 EP 06817479 A EP06817479 A EP 06817479A EP 06817479 A EP06817479 A EP 06817479A EP 1963025 B1 EP1963025 B1 EP 1963025B1
Authority
EP
European Patent Office
Prior art keywords
spray gun
pressure vessels
valves
mixing chamber
gun according
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.)
Not-in-force
Application number
EP06817479A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1963025A2 (de
Inventor
Josef Mikl
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
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
Application filed by Individual filed Critical Individual
Publication of EP1963025A2 publication Critical patent/EP1963025A2/de
Application granted granted Critical
Publication of EP1963025B1 publication Critical patent/EP1963025B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • B05B7/04—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/14—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant
    • B65D83/38—Details of the container body
    • B65D83/382—Details of the container body with closures that must be perforated
    • 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
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/14—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant
    • B65D83/16—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant characterised by the actuating means
    • B65D83/20—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant characterised by the actuating means operated by manual action, e.g. button-type actuator or actuator caps
    • B65D83/207—Actuators comprising a manually operated valve and being attachable to the aerosol container, e.g. downstream a valve fitted to the container; Actuators associated to container valves with valve seats located outside the aerosol container
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/14—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant
    • B65D83/68—Dispensing two or more contents, e.g. sequential dispensing or simultaneous dispensing of two or more products without mixing them
    • B65D83/682—Dispensing two or more contents, e.g. sequential dispensing or simultaneous dispensing of two or more products without mixing them the products being first separated, but finally mixed, e.g. in a dispensing head

Definitions

  • the invention relates to a spray gun for producing a two-component foam according to the preamble of patent claim 1.
  • foams for the connection of components and for the production of insulation.
  • foams are inexpensive to produce and easy to use.
  • a particular advantage of the foams is that they swell after application in a predefined manner, so that any voids are filled and a secure connection of the components is produced.
  • both one-component systems and two-component systems are used.
  • the advantage of the one-component systems is that only a single starting material is needed and the application devices are simple and uncomplicated.
  • a disadvantage of these systems, however, is that one-component foams harden only by absorbing water from the humidity or from the adjacent building materials, so that the curing time is relatively long.
  • Two-component systems can be set to cure very quickly so that much faster work progress can be achieved because the components can be processed almost immediately after bonding.
  • the previously known devices for the production and processing of two-component foam are relatively complex, so that such systems have not yet fully enforced.
  • the US 2002/0038826 A shows a spray device, which is intended for connection to supply hoses for the two components. This complicates handling on the construction site. In addition, the flow paths for the media are long, so that the quality of the mixture is unsatisfactory. Similar disadvantages apply to a solution as described in the US 6,158,624 A is described.
  • the object of the present invention is to avoid these disadvantages and to provide a spray gun which has a simple structure and is capable of producing a high-quality foam.
  • an optimal handling of the pressure vessel is to be achieved, both as regards the flow paths, and as regards the weight distribution of the device.
  • Another object of the present invention is to develop a spray gun that operates reliably even in harsh working conditions and is easy to clean and maintain.
  • Essential to the invention is a simple construction and the fact that the starting components meet only within a removable nozzle tip, so that hardening of the working materials inside the device is prevented during breaks in work. It has been found that directly actuated needle valves have significant advantages over other valve systems, such as check valves, as they may become clogged in the nozzle tip if used improperly, resulting in significant back pressure.
  • the needle valves it is possible to safely prevent unwanted returns of material from the nozzle tip in the delivery channels, so that a blockage or damage to the essential components of the spray gun is prevented. It is only necessary in such a case to replace the nozzle tip in order to restore the functional state. It is particularly favorable when the valve needles are biased by springs into their closed position. The opening movement takes place by mechanical drive against the action of the spring. In this way, a predefined closing force of the needle valves can be adjusted.
  • a particularly simple structure can be achieved by providing a common actuating device for the two valve pins.
  • a particularly favored embodiment variant of the invention is characterized in that the valve needles are arranged in the interior of the delivery channels.
  • the feed cross sections for the starting components have a simple and rectilinear shape, so that material deposits and the like can be safely avoided.
  • the delivery channels are arranged side by side in parallel and that the connection points for the pressure vessels are provided in the axial direction one behind the other.
  • a particularly simple structure also results from the fact that the nozzle tip has a flange which rests on the metering valves, wherein the mixing chamber is arranged directly on the flange. In this way, after a replacement of the nozzle tip, a functional spray gun is available without requiring special cleaning work.
  • the preparation of the spray gun according to the invention can be substantially simplified in that the spray gun has a gun body in which the delivery channels are formed, which is made as an injection molded part. Of particular advantage in this context, it is when these metering valves are designed as inserts in the gun body.
  • the spray gun according to the invention consists of a gun body 1, on which two pressure vessels 2, 3 are placed. In the front region of the gun body, a nozzle tip 4 is detachably fastened with a clamp 5.
  • the pressure vessels 2, 3 are placed over connecting pieces 6, 7 in the region of holes 8, 9 so that the connection points are offset in the axial direction against each other.
  • the holes 8, 9 open into each delivery channels 10, 11, which in Longitudinal direction of the gun body 1 extend.
  • valve needles 12, 13 are arranged to be movable in the axial direction, other tip metering valves 14, 15 are provided.
  • Each metering valve 14, 15 consists of a cone 16, 17 which opens to the nozzle tip 4 and is covered by a flange 18 which is integrally formed on the nozzle tip 4.
  • a mixing chamber 19 is provided, which serves to mix the two components which are received in the pressure vessels 2, 3.
  • valve needles 12, 13 are biased by a spring 20 in the closed position.
  • a trigger 21 in the region of the handle 22 of the gun body 1 makes it possible to open the metering valves 14, 15 at the same time.
  • the present invention makes it possible to produce spray guns which produce two-component foam in a simple manner, are easy to clean and pleasant to handle.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Nozzles (AREA)
  • Particle Formation And Scattering Control In Inkjet Printers (AREA)
  • Coating By Spraying Or Casting (AREA)
EP06817479A 2005-12-15 2006-12-07 Sprühpistole Not-in-force EP1963025B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT0200805A AT503046B1 (de) 2005-12-15 2005-12-15 Sprühpistole
PCT/AT2006/000504 WO2007068014A2 (de) 2005-12-15 2006-12-07 Sprühpistole

Publications (2)

Publication Number Publication Date
EP1963025A2 EP1963025A2 (de) 2008-09-03
EP1963025B1 true EP1963025B1 (de) 2010-03-10

Family

ID=38017124

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06817479A Not-in-force EP1963025B1 (de) 2005-12-15 2006-12-07 Sprühpistole

Country Status (11)

Country Link
US (1) US20090045225A1 (pt)
EP (1) EP1963025B1 (pt)
KR (1) KR20080077285A (pt)
CN (1) CN101330981B (pt)
AT (2) AT503046B1 (pt)
BR (1) BRPI0619898A2 (pt)
CA (1) CA2633159A1 (pt)
DE (1) DE502006006418D1 (pt)
MX (1) MX2008007671A (pt)
RU (1) RU2417127C2 (pt)
WO (1) WO2007068014A2 (pt)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101722119B (zh) * 2009-12-02 2012-11-14 浙江奥利达气动工具股份有限公司 双喷头喷涂枪
USD668150S1 (en) * 2010-11-09 2012-10-02 S.C. Johnson & Son, Inc. Container with retaining device
CN102327830B (zh) * 2011-08-26 2013-10-16 宁波李氏实业有限公司 喷枪系统
RU2608490C9 (ru) * 2012-03-06 2017-06-14 3М Инновейтив Пропертиз Компани Распылитель со встроенным нагнетательным каналом
US11167298B2 (en) * 2012-03-23 2021-11-09 3M Innovative Properties Company Spray gun barrel with inseparable nozzle
CN103537391B (zh) * 2013-09-29 2015-12-23 广州有色金属研究院 一种可调式双通道送粉装置
BE1025578B1 (nl) * 2018-03-16 2019-04-24 Altachem Nv Vloeistofafgiftepistool en werkwijze voor het afgeven van 1k-polyurethaan schuim
CN111071976B (zh) * 2019-11-26 2024-05-31 河南正大航空工业股份有限公司 一种连通器防溢流插接结构及该连通器的组成方法
RU195633U1 (ru) * 2019-12-03 2020-02-03 Радис Мулланурович Миргалимов Устройство для нанесения двухкомпонентного состава
RU195626U1 (ru) * 2019-12-03 2020-02-03 Радис Мулланурович Миргалимов Распылитель устройства для нанесения двухкомпонентного состава
CN111215261B (zh) * 2020-01-19 2020-11-10 浙江科技学院 一种双管聚氨酯材料混合喷枪
CZ309108B6 (cs) * 2020-05-07 2022-02-02 GreFix s.r.o. Způsob nanášení směsi na bázi kusové pryže a pryskyřice pro vytvoření protiskluzové povrchové vrstvy a zařízení pro provádění tohoto způsobu
CN216936871U (zh) * 2022-01-25 2022-07-12 石家庄东翔化工有限公司 聚氨酯泡沫填缝剂施工用上下并列式胶枪

Family Cites Families (20)

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Publication number Priority date Publication date Assignee Title
US2335116A (en) * 1934-05-12 1943-11-23 American Anode Inc Apparatus for spraying a plurality of fluids
US2780496A (en) * 1952-11-29 1957-02-05 Sherwin Williams Co Multi-component spray gun
GB775232A (en) * 1954-05-18 1957-05-22 Atlas Copso Aktiebolag Improvements in apparatus for simultaneously discharging materials
US3575319A (en) 1968-07-11 1971-04-20 Upjohn Co Portable dispenser for polymer foams
US3559890A (en) * 1968-09-03 1971-02-02 William R Brooks Foam dispenser
EP0063707A1 (en) * 1981-04-29 1982-11-03 Binks Manufacturing Company Plural component spray gun
US4550863A (en) * 1983-06-27 1985-11-05 Fomo Products, Inc. Foam gun for mixing and dispensing two reactants
CH670580A5 (pt) * 1987-04-16 1989-06-30 Ehrensperger C Ag
DE8705675U1 (de) * 1987-04-16 1987-05-27 C. F. Maier Kunstharzwerk GmbH & Co, 7923 Königsbronn Vorrichtung zur Herstellung von Formteilen oder Beschichtungen aus härtbaren Harzen, insbesondere Polyesterharzen, nach dem Spritzverfahren
US4880143A (en) 1988-10-20 1989-11-14 Insta-Foam Products Dispenser and components for high viscosity foam products
US5092492A (en) * 1990-01-26 1992-03-03 Liquid Control Corporation Liquid metering, mixing and dispensing gun
US5344051A (en) * 1992-04-27 1994-09-06 Insta-Foam Products, Inc. Two-component foam dispensing apparatus
US5462204A (en) * 1994-03-29 1995-10-31 Rhh Foam Systems, Inc. Foam dispensing gun
US5634571A (en) * 1995-06-07 1997-06-03 Innavision Services, Inc. Apparatus for dispensing two sprayable substances in a user selectable ratio
WO1998030373A1 (en) * 1997-01-10 1998-07-16 Cheming S.A. Luxembourg Method and device for the extrusion of a polymeric substance
US6158624A (en) * 1997-08-07 2000-12-12 The Clayton Corporation Foam dispensing gun
US5924599A (en) * 1998-01-16 1999-07-20 Flexible Products Company Dispensing system with unique container attachment
US6345776B1 (en) * 1999-12-23 2002-02-12 Fomo Products Inc. Two-component dispensing gun
JP2003038988A (ja) * 2001-07-31 2003-02-12 Meiji Kikai Seisakusho:Kk 自動スプレーガン
CN2719410Y (zh) * 2004-06-29 2005-08-24 深圳市卓宝科技股份有限公司 双组份涂料混合喷枪

Also Published As

Publication number Publication date
CN101330981B (zh) 2011-07-20
AT503046B1 (de) 2009-05-15
ATE460231T1 (de) 2010-03-15
EP1963025A2 (de) 2008-09-03
US20090045225A1 (en) 2009-02-19
RU2008128846A (ru) 2010-01-20
CA2633159A1 (en) 2007-06-21
MX2008007671A (es) 2008-09-26
WO2007068014A2 (de) 2007-06-21
DE502006006418D1 (de) 2010-04-22
BRPI0619898A2 (pt) 2011-10-25
RU2417127C2 (ru) 2011-04-27
KR20080077285A (ko) 2008-08-21
WO2007068014A3 (de) 2007-08-02
CN101330981A (zh) 2008-12-24
AT503046A1 (de) 2007-07-15

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