EP1243343A1 - Buse de vaporisation à deux fluides - Google Patents

Buse de vaporisation à deux fluides Download PDF

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Publication number
EP1243343A1
EP1243343A1 EP01106427A EP01106427A EP1243343A1 EP 1243343 A1 EP1243343 A1 EP 1243343A1 EP 01106427 A EP01106427 A EP 01106427A EP 01106427 A EP01106427 A EP 01106427A EP 1243343 A1 EP1243343 A1 EP 1243343A1
Authority
EP
European Patent Office
Prior art keywords
spray nozzle
mouthpiece
mixing chamber
outlet opening
nozzle 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.)
Granted
Application number
EP01106427A
Other languages
German (de)
English (en)
Other versions
EP1243343B1 (fr
Inventor
Albert Fecht
Ralf Hengstler
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.)
Lechler GmbH
Original Assignee
Lechler GmbH and Co KG
Lechler GmbH
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 Lechler GmbH and Co KG, Lechler GmbH filed Critical Lechler GmbH and Co KG
Priority to ES01106427T priority Critical patent/ES2204774T3/es
Priority to DE50100495T priority patent/DE50100495D1/de
Priority to AT01106427T priority patent/ATE246962T1/de
Priority to EP01106427A priority patent/EP1243343B1/fr
Priority to JP2002076283A priority patent/JP3715579B2/ja
Priority to US10/101,861 priority patent/US6705538B2/en
Publication of EP1243343A1 publication Critical patent/EP1243343A1/fr
Application granted granted Critical
Publication of EP1243343B1 publication Critical patent/EP1243343B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B05B7/0416—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing one gas and one liquid
    • B05B7/0483—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing one gas and one liquid with gas and liquid jets intersecting in the mixing chamber
    • 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
    • B05B7/10—Spray pistols; Apparatus for discharge producing a swirling discharge
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/12—Accessories for subsequent treating or working cast stock in situ
    • B22D11/124—Accessories for subsequent treating or working cast stock in situ for cooling
    • B22D11/1246—Nozzles; Spray heads
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/34—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
    • B05B1/3405—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 to produce swirl
    • B05B1/341—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 to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet
    • B05B1/3421—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 to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet with channels emerging substantially tangentially in the swirl chamber
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/34—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
    • B05B1/3405—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 to produce swirl
    • B05B1/341—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 to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet
    • B05B1/3421—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 to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet with channels emerging substantially tangentially in the swirl chamber
    • B05B1/3431—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 to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet with channels emerging substantially tangentially in the swirl chamber the channels being formed at the interface of cooperating elements, e.g. by means of grooves
    • B05B1/3447—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 to produce swirl before discharging the liquid or other fluent material, e.g. in a swirl chamber upstream the spray outlet with channels emerging substantially tangentially in the swirl chamber the channels being formed at the interface of cooperating elements, e.g. by means of grooves the interface being a cylinder having the same axis as the outlet

Definitions

  • the invention relates to a two-component spray nozzle, in particular for atomizing low-viscosity liquids for cooling in continuous casting plants, with a housing with a mixing chamber and with a connection channel for each Supply of a gaseous and a liquid medium, and with a downstream of the mixing chamber in the flow direction Mouthpiece with an axial cylindrical bore and one rotationally symmetrical outlet opening.
  • the present invention is therefore based on the object to design a two-substance spray nozzle of the type mentioned at the outset, that the nozzles become insensitive to clogging and with low air consumption and a stable spray angle throughout Control range can be used. This is to be the case with modern Continuous casting plants wider product range for the Production of quality steels to be covered.
  • the two-substance spray nozzles should each correspond to the width of the manufactured Products are adaptable without causing overcooling.
  • the invention is that a swirl insert is arranged in the bore of the mouthpiece and the outlet opening centrally at the bottom of the mouthpiece a diameter is provided which is at most half corresponds to the diameter of the bore of the mouthpiece.
  • the outlet opening expand to an exit cone, the exit angle of which desired spray angle is adjusted.
  • the exit opening The surrounding part of the bottom of the mouthpiece can be flat and be aligned perpendicular to the axis of the bore. However, it is also possible that the outlet opening surrounding part of the ground is rounded.
  • the swirl insert can be drilled or be milled and with multiple holes or on the circumference Arranged milled be provided that evenly over the scope is distributed. It has been shown that with one such twist use very good results can be achieved and that, as previously mentioned, the separation in itself feared of the two-substance mixture has not occurred.
  • there is a twist insert in a further development of the invention have been provided with an axially running center hole, which has an input and output chamfer. This middle one Through opening, which is attached centrally, affects the distribution symmetry is positive.
  • the distance between the bottom of the mouthpiece and the swirl insert each chosen so that a homogeneous flow in front of the outlet opening is achieved which is no longer influenced by the individual beams emerging from the holes.
  • the mixing chamber can be cylindrical with perpendicular connection channels be formed, the mouthpiece as a screw-in sleeve is formed, which immediately downstream of the mixing chamber is.
  • the mixing chamber train that the connection channel for the liquid over a nozzle opens into the mixing chamber on top of this nozzle opposite wall with a recess as a rebound surface for the liquid jet coming from the nozzle is, the air connection in the axial direction of the mixing chamber and runs perpendicular to the axis of the liquid jet.
  • an extension tube can be provided like that in other known types (DE 1.95 05 647) also the Case is.
  • the mouthpiece can be a union nut be attached to the extension tube.
  • Fig. 1 shows a two-component spray nozzle, in the air and Water mixed to create a spray become.
  • the two-component spray nozzle according to FIGS. 1 and 2 has a housing 1 in which a cylindrical Mixing chamber 2 with a coaxially arranged air supply duct 3 and on the other a water supply channel 4 with a transverse bore 5 to the mixing chamber 2 is provided.
  • the liquid in In the present case water, therefore occurs in the form of a jet perpendicular to the flow direction through the feed channel 3 introduced air into the mixing chamber 2.
  • the water jet it is torn open and air and water are intimately mixed.
  • the lower end with an internal thread is provided in the mixing chamber 2, the lower end with an internal thread is provided is a screw-in sleeve Mouthpiece 6 screwed in, that with respect to the housing 1 a sealing ring 7 is sealed.
  • the mouthpiece 6 is with a cylindrical arranged coaxially to the mixing chamber 2 Provide bore 8, in the bottom 8a a circular outlet opening 9 is arranged centrally, the diameter but smaller than the diameter of the bore 8 and at most makes up half of this diameter.
  • the exit opening 9 goes in the direction of flow outside in an expanding Exit cone 10, the one in the embodiment Has angle ⁇ of about 140 °. This angle is designed to generate a spray angle of 90 °.
  • a swirl insert 11 is provided, which in the Hole 8 is used for example with a press fit.
  • This Swirl insert 11 can according to FIGS. 5 and 6 by drilling be manufactured in such a way that a central central bore 12, which is chamfered at the entrance and at the exit from several oblique holes 13 evenly distributed around the circumference is surrounded at a certain angle ⁇ to the central axis 14 of the swirl insert, which with the central axis of the Bore 8 and the mixing chamber 2 of the connecting duct 3 coincide, are arranged.
  • the angle ⁇ is in the embodiment 45 °, but it can also vary to a certain extent become.
  • Fig. 2 shows two mounting holes 15 in the housing 1, which run parallel to the axis 14 of the mixing chamber 2. With their help, the housing 1 can be attached to a bracket assemble.
  • Fig. 3 shows a modified embodiment with a housing 20, that with two screwed connections 21 and 22 is provided, the diameter of which is in the arrows 23 and 24 indicated flow direction each narrowed.
  • Both inserts 21 and 22 open with their nozzle-like outlet openings 25 and 26 in a mixing chamber 27 which is coaxial runs to the screw terminal 21 and is approximately cylindrical is.
  • the wall of the nozzle 26 opposite Mixing chamber 27 is provided with a recess 28, that as a rebound surface for those entering in the direction of arrow 24 Water jet serves and the water jet through the Impact tears open, so that the inflowing in the direction of arrow 23 Air the desired even mixture between Air and water can cause.
  • Such housing 20 with a as described trained mixing chamber are in the DE 196 04 902 A1.
  • An extension tube 29 connects to the mixing chamber 27 at the bottom with an attached sleeve 30 with is provided with an external thread, which in turn serves to to take a union nut 31, with the help of a mouthpiece 32 is held at the lower end of the tube.
  • the mouthpiece 32 is designed analogously to the mouthpiece 6 of FIG. 1.
  • the hole 8 of the mouthpiece 32, the swirl insert 11 and the outlet opening 9 are therefore provided with the same reference numbers Service.
  • the mode of operation of the two-component spray nozzle arrangement 3 corresponds with respect to that from the Mouthpiece 32 emerging full cone spray jet that of Two-substance spray nozzle of Fig. 1st
  • FIG. 5 A drilled swirl insert (Fig. 5) or a milled swirl insert (Fig. 7) shown. Conceivable it would also be to provide an X-twist insert known per se, that has a very slight slope.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Nozzles (AREA)
  • Continuous Casting (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
EP01106427A 2001-03-22 2001-03-22 Buse de vaporisation à deux fluides Expired - Lifetime EP1243343B1 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
ES01106427T ES2204774T3 (es) 2001-03-22 2001-03-22 Boquilla rociadora de dos fuidos.
DE50100495T DE50100495D1 (de) 2001-03-22 2001-03-22 Zweistoffsprühdüse
AT01106427T ATE246962T1 (de) 2001-03-22 2001-03-22 Zweistoffsprühdüse
EP01106427A EP1243343B1 (fr) 2001-03-22 2001-03-22 Buse de vaporisation à deux fluides
JP2002076283A JP3715579B2 (ja) 2001-03-22 2002-03-19 二成分スプレイノズル
US10/101,861 US6705538B2 (en) 2001-03-22 2002-03-21 Two-medium spraying nozzle and method of using same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP01106427A EP1243343B1 (fr) 2001-03-22 2001-03-22 Buse de vaporisation à deux fluides

Publications (2)

Publication Number Publication Date
EP1243343A1 true EP1243343A1 (fr) 2002-09-25
EP1243343B1 EP1243343B1 (fr) 2003-08-13

Family

ID=8176786

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01106427A Expired - Lifetime EP1243343B1 (fr) 2001-03-22 2001-03-22 Buse de vaporisation à deux fluides

Country Status (6)

Country Link
US (1) US6705538B2 (fr)
EP (1) EP1243343B1 (fr)
JP (1) JP3715579B2 (fr)
AT (1) ATE246962T1 (fr)
DE (1) DE50100495D1 (fr)
ES (1) ES2204774T3 (fr)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1767277A3 (fr) * 2005-09-23 2008-03-05 Lechler GmbH Buse à jet conique plein
WO2011082893A1 (fr) * 2009-12-15 2011-07-14 Sms Siemag Ag Buse et dispositif de guidage de coulée continue doté de cette buse
CN101351285B (zh) * 2006-01-11 2011-12-28 Sms西马格股份公司 用于连铸的方法和装置
US8522858B2 (en) 2006-01-11 2013-09-03 Sms Siemag Aktiengesellschaft Method and apparatus for continuous casting
EP2698210A1 (fr) * 2012-08-15 2014-02-19 SMS Concast AG Installation de pulvérisation, en particulier pour la pulvérisation d'un flux de coulée
DE102013203339A1 (de) * 2013-02-28 2014-08-28 Lechler Gmbh Zweistoffdüse und Verfahren zum Versprühen eines Flüssigkeit-Gas-Gemisches
CN105081251A (zh) * 2015-09-24 2015-11-25 攀钢集团工程技术有限公司 扇形段喷嘴
AT15758U1 (de) * 2016-12-06 2018-05-15 Primetals Technologies Austria GmbH Zweistoff-Blockdüse mit einer optimierten Außengeometrie
WO2021180684A1 (fr) * 2020-03-12 2021-09-16 Primtetals Technologies Austria Gmbh Buse de cylindre à deux composants ayant une tendance réduite au blocage

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AUPS275302A0 (en) * 2002-05-31 2002-06-27 Khouri, Anthony Vehicle mounted concrete mixing drum and method of manufacture thereof
DE10259563A1 (de) * 2002-12-19 2004-07-01 Valeo Systèmes d`Essuyage Waschdüse zur Verwendung an Fahrzeugen zum Ausbringen eines flüssigen Reinigungs- oder Waschmediums
US8070348B2 (en) * 2003-08-15 2011-12-06 Khouri Anthony J Mixing drum blade
WO2005018897A1 (fr) * 2003-08-15 2005-03-03 Mc Neilus Truck And Manufacturing, Inc. Orifice de chargement de tambour melangeur
EP1660290A4 (fr) * 2003-08-15 2009-01-07 Mc Neilus Truck & Mfg Inc Tambour melangeur
KR20070004789A (ko) * 2004-03-04 2007-01-09 맥네일러스트럭앤드매뉴팩처링,인코퍼레이티드 혼합 드럼
JP4239879B2 (ja) * 2004-03-30 2009-03-18 株式会社デンソー マイクロミスト発生方法及びその装置
WO2005113211A1 (fr) * 2004-05-18 2005-12-01 Mc Neilus Truck And Manufacturing, Inc. Centrale de dosage en beton
ITTV20050015A1 (it) * 2005-01-31 2006-08-01 Riversdale Invest Ltd Struttura di ugello particolarmente per la atomizzazione di un liquido
JP4820087B2 (ja) * 2004-12-16 2011-11-24 株式会社いけうち 二流体ノズル
US20070018013A1 (en) * 2005-07-25 2007-01-25 Valeo Electrical Systems, Inc. Washer nozzle and system and method for making a washer nozzle
US20070187434A1 (en) * 2006-02-10 2007-08-16 Mcneilus Truck And Manufacturing, Inc. Applicator system
US7611080B2 (en) * 2006-06-05 2009-11-03 Spraying Systems Co. Full cone air assisted spray nozzle for continuous metal casting cooling
US20090288798A1 (en) * 2008-05-23 2009-11-26 Nucor Corporation Method and apparatus for controlling temperature of thin cast strip
US10017372B2 (en) 2010-02-05 2018-07-10 Ecowell, Llc Container-less custom beverage vending invention
US10000370B2 (en) 2010-02-05 2018-06-19 Ecowell, Llc Container-less custom beverage vending invention
CN101927339B (zh) * 2010-09-07 2012-05-09 宁波宝迪汽车部件有限公司 铸造模具用冷却接头
CN102688819A (zh) * 2011-03-23 2012-09-26 中国钢铁股份有限公司 气液混合式喷嘴装置
CN102430731A (zh) * 2011-09-29 2012-05-02 营口中通控制设备制造有限公司 双旋流切向外混式水雾化喷嘴
US8882085B1 (en) * 2012-07-25 2014-11-11 The United States Of America As Represented By The Secretary Of The Army Micro atomizer
US20150107619A1 (en) * 2013-10-22 2015-04-23 Taiwan Semiconductor Manufacturing Company Limited Wafer particle removal
KR101754319B1 (ko) 2015-06-24 2017-07-19 주식회사 엘지씨엔에스 매체처리장치, 금융기기, 금융시스템 및 이의 제어방법
JP6474162B2 (ja) * 2016-04-28 2019-02-27 株式会社ニフコ ノズル装置
US10981185B2 (en) 2016-08-13 2021-04-20 Nordson Corporation Systems and methods for two-component mixing in a jetting dispenser
WO2018053012A1 (fr) * 2016-09-13 2018-03-22 Spectrum Brands, Inc. Moteur de pomme de douche à pot de turbulence
US10654051B2 (en) * 2017-01-31 2020-05-19 Packaging Concepts Associates Holdings, Inc. Droplet dispensing assembly and converter attachment for spray-to-droplet conversion
CN109806995B (zh) * 2019-03-07 2020-07-17 北京中冶冶金设备制造有限公司 一种高效长体喷嘴
CN114309512A (zh) * 2021-12-31 2022-04-12 扬州江冶喷雾系统有限公司 一种可变换喷射角度的气雾混合喷嘴
US11794199B2 (en) 2022-01-20 2023-10-24 Packaging Concepts Associates Holding, Inc. Folding extension nozzle and dispensing assembly

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DE19758557A1 (de) * 1997-11-26 1999-07-22 Webasto Thermosysteme Gmbh Niederdruckzerstäubungsvorrichtung mit mehreren benachbarten Zweistoffdüsen

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US3567116A (en) * 1968-12-18 1971-03-02 Minnesota Mining & Mfg Atomizing method and apparatus
DE19604902A1 (de) * 1996-02-10 1997-08-14 Lechler Gmbh & Co Kg Zweistoffdüse
DE19758557A1 (de) * 1997-11-26 1999-07-22 Webasto Thermosysteme Gmbh Niederdruckzerstäubungsvorrichtung mit mehreren benachbarten Zweistoffdüsen

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1767277A3 (fr) * 2005-09-23 2008-03-05 Lechler GmbH Buse à jet conique plein
US7552881B2 (en) 2005-09-23 2009-06-30 Lechler Gmbh Solid cone spray nozzle
CN101351285B (zh) * 2006-01-11 2011-12-28 Sms西马格股份公司 用于连铸的方法和装置
US8522858B2 (en) 2006-01-11 2013-09-03 Sms Siemag Aktiengesellschaft Method and apparatus for continuous casting
US8596335B2 (en) 2006-01-11 2013-12-03 Sms Siemag Aktiengesellschaft Method and apparatus for continuous casting
WO2011082893A1 (fr) * 2009-12-15 2011-07-14 Sms Siemag Ag Buse et dispositif de guidage de coulée continue doté de cette buse
CN102802837A (zh) * 2009-12-15 2012-11-28 Sms西马格股份公司 喷嘴装置和带有喷嘴装置的坯料导向装置
AT13318U1 (de) * 2009-12-15 2013-10-15 Sms Siemag Ag Düsenvorrichtung und Strangführungsvorrichtung mit der Düsenvorrichtung
EP2698210A1 (fr) * 2012-08-15 2014-02-19 SMS Concast AG Installation de pulvérisation, en particulier pour la pulvérisation d'un flux de coulée
WO2014026992A3 (fr) * 2012-08-15 2014-04-10 Sms Concast Ag Dispositif à buse de pulvérisation, destiné en particulier à asperger une barre de coulée
DE102013203339A1 (de) * 2013-02-28 2014-08-28 Lechler Gmbh Zweistoffdüse und Verfahren zum Versprühen eines Flüssigkeit-Gas-Gemisches
US9180471B2 (en) 2013-02-28 2015-11-10 Lechler Gmbh Two-substance nozzle and method for spraying a liquid-gas mixture
CN105081251A (zh) * 2015-09-24 2015-11-25 攀钢集团工程技术有限公司 扇形段喷嘴
AT15758U1 (de) * 2016-12-06 2018-05-15 Primetals Technologies Austria GmbH Zweistoff-Blockdüse mit einer optimierten Außengeometrie
WO2021180684A1 (fr) * 2020-03-12 2021-09-16 Primtetals Technologies Austria Gmbh Buse de cylindre à deux composants ayant une tendance réduite au blocage
AT523701A1 (de) * 2020-03-12 2021-10-15 Primetals Technologies Austria GmbH Zweistoff-Schaftdüse mit verringerter Verstopfungsneigung
AT523701B1 (de) * 2020-03-12 2024-04-15 Primetals Technologies Austria GmbH Zweistoff-Schaftdüse mit verringerter Verstopfungsneigung

Also Published As

Publication number Publication date
US6705538B2 (en) 2004-03-16
DE50100495D1 (de) 2003-09-18
EP1243343B1 (fr) 2003-08-13
ES2204774T3 (es) 2004-05-01
JP2002346711A (ja) 2002-12-04
US20020134862A1 (en) 2002-09-26
ATE246962T1 (de) 2003-08-15
JP3715579B2 (ja) 2005-11-09

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