EP1221358A2 - Düse zum konzentrierten Sprühen eines mit Feststoffteilchen geladenen Mediums, besonders zum feinen und präzisen Reinigen und zur Kontrolle von Oberflächen - Google Patents

Düse zum konzentrierten Sprühen eines mit Feststoffteilchen geladenen Mediums, besonders zum feinen und präzisen Reinigen und zur Kontrolle von Oberflächen Download PDF

Info

Publication number: EP1221358A2
Authority: EP; European Patent Office
Prior art keywords: section; nozzle according; oblong; edges; neck
Prior art date: 2001-01-04
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

EP01403321A

Other languages

English (en)

French (fr)

Other versions

EP1221358A3 (de

EP1221358B1 (de

Inventor

Yvon George Jean-Pierre Jaubertie

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.)

Workinter Ltd

Original Assignee

Workinter Ltd

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.)

2001-01-04

Filing date

2001-12-20

Publication date

2002-07-10

2001-12-20 Application filed by Workinter Ltd filed Critical Workinter Ltd

2002-07-10 Publication of EP1221358A2 publication Critical patent/EP1221358A2/de

2002-09-18 Publication of EP1221358A3 publication Critical patent/EP1221358A3/de

2005-07-20 Application granted granted Critical

2005-07-20 Publication of EP1221358B1 publication Critical patent/EP1221358B1/de

2021-12-20 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

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Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C5/00—Devices or accessories for generating abrasive blasts
- B24C5/02—Blast guns, e.g. for generating high velocity abrasive fluid jets for cutting materials
- B24C5/04—Nozzles therefor

Definitions

the printing cylinders which have a very engraved surface finely and which contain very small cells or holes which become charged with ink and small impurities which require scrupulous cleaning which must both be complete and leave the printing surface intact.
the present invention makes it possible to create a media stream without irregular margins, which which allows to juxtapose the successive stripped strips in a rigorous way, without no risk of irregularities and accidental attack of a desired layer preserve in its complete integrity.
Figure 1 is a schematic view in longitudinal section of a nozzle according to the invention.
Figures 2, 3 and 4 are schematic cross-sectional views of the nozzle of the Figure 1, each arranged vertically from where it is located.
FIG. 5 is a schematic view in longitudinal section of the same nozzle, made at 90 ° from the section in Figure 1.
Figures 6, 7 and 8 are schematic cross-sectional views of the nozzle of the Figure 5, each arranged vertically from where it is located.
FIG. 9 is a schematic view in longitudinal section of a nozzle conforming to the invention, according to a particular embodiment.
Figures 10, 11 and 12 are schematic cross-sectional views of the nozzle in Figure 9, each arranged vertically from where it is located.
FIG. 13 is a schematic view in longitudinal section of the same nozzle, made at 90 ° to the section in Figure 9.
Figures 14, 15 and 16 are schematic cross-sectional views of the nozzle of Figure 13, each arranged vertically from where it is located.
Figures 17, 19 and 21 show, in cross section of the nozzle, three variants of shape of the oblong neck.
Figures 18, 20 and 22 show three variants of the shape of the outlet each corresponding to the shape of the oblong neck shown opposite, i.e. neck of Figure 17 and outlet of Figure 18, neck of Figure 19 and port of outlet of figure 20, neck of figure 21 and outlet orifice of figure 22.
the nozzle is formed by a body 1 crossed by a longitudinal tubular passage, one of which east end constitutes an inlet 2 to be connected to a pipe supply (not shown) to conduct media to input 2 according to the arrow F1, media composed of solid particles in gaseous medium, in particular of the air.
an outlet 3 through which the media is projected according to arrows F2 on a surface in order to strip it with one or more layers that she wears.
the section of passage 1 between inlet 2 and outlet 3 is variable, and the body 1 is externally formed from two segments which are a cylindrical segment 4 from the inlet 2 and a flattened spout 5 connected to the cylindrical segment 4.
passage 1 has three parts which are successively: a inlet chamber 11 with constant circular section over the entire length of said chamber 11, an intermediate duct 12 with continuously variable section, its walls being convergent from the chamber 11 to an oblong neck 13, having so a minor axis and a major axis, but whose area is equal to that of chamber 11, and finally an outlet tube 14 with oblong section with continuously variable section, is walls being divergent from the neck 13 to the outlet 3, constituted by the end of the spout 5, and forming an outlet orifice 15 which has an oblong section of shape different from that of the neck 13, the shapes of the neck 13 and the outlet orifice 15 being both coordinates so that, while having equal areas, the media flow is projected in a homogeneous and precise manner, without undergoing parasitic wall effects which are the cause of irregular margins.
the oblong section of the neck 13 has a very simple shape, since it has two parallel rectilinear edges 21 and 22 connected by leaves 23 and 24.
the spacing of the straight edges 21 and 22 is constant and the flow of media is uniformly flat.
the passage section of the outlet orifice 15 is coordinated with that of the collar 13 to rectify this defect.
the passage section of the orifice 15 has a part central unit with two parallel rectilinear edges 25 and 26 connected not by fillets but along arcs 27 and 28 of larger diameter, creating two lateral channels longitudinal 29.
the spacing of the straight edges 25 and 26 is smaller than that of the edges 21 and 22, the total area of the two channels 29 being correspondingly larger so that the section of the entire outlet orifice has an area equal to that of the neck 13.
the outlet jet is formed according to a flattened brush in which the energy is also distributed, whether the nozzle is actuated manually or mechanically by a slave device.
FIGS. 9 to 16 we see another embodiment of the nozzle according to the invention.
the same elements bear the same references as in FIGS. 1 to 8.
chamber 11 there are two oblique plungers 31 and 32 which "disturb" the random input stream in order to homogenize it and concentrate it to prepare it for approach the neck with oblong section.
the solid particles of the flux are charged with static electricity by the fact of their friction against the walls of the supply line and against nozzle walls, which is very annoying because the particles are attracted to the surface by pickling course and part of it sticks to it, so you have to proceed to a finish consisting of cleaning the pickled surface, meticulous work, painful and long.
this drawback is remedied by providing oblique passages 33 and 34 which pass through the wall of the spout 5 and to which conduits are connected (not shown) from an ionized air source.
This air is compressed and injected at high speed, or even supersonic speed, depending on the arrows F3, in the medium which circulates in the spout 5.
a pipe (not shown) supplies the air ducts and contains a crown of known type (not shown) producing discharges in the air electrics which cause its ionization so that it contains as many ions negative than positive ions.
the air circulating in this pipe is advantageously conditioned to be slightly damp.
the nozzle according to the invention equipped with ionized air injectors provides great job security because the introduction of this air cannot cause no electric shock and therefore does not create hazardous conditions of inflammation of the media because there is no creation of a potential difference, therefore no existence of an electric current and no rise in potential of the surfaces to stripped.
the nozzle is moved in translation in the direction of its longitudinal axis, at a distance and at an angle of attack which depend of the substrate to be removed and the desired result.
the section of the outlet must have dimensions and a shape coordinated with those of the collar 40, and we see on Figures 10 and 14 that the outlet 41 has a passage section whose shape could be defined as a "counter-ellipse", that is to say that the section of passage of the orifice 41 is constituted by two curved longitudinal edges 42 and 43 opposite by their convexity and connected by widened curves 44 and 45 which create the longitudinal side channels 29, so that the central part of the orifice 41 is narrower than the lateral parts, it being recalled that the total area of the orifice 41 is equal to that of pass 40.
a passage section whose shape could be defined as a "counter-ellipse"
the section of passage of the orifice 41 is constituted by two curved longitudinal edges 42 and 43 opposite by their convexity and connected by widened curves 44 and 45 which create the longitudinal side channels 29, so that the central part of the orifice 41 is narrower than the lateral parts, it being recalled that the total area of the orifice
curves 44 and 45 do not continuously connect edges 42 and 43, in an arc of circle for example, but are in a broken arc and create an edge at their intersection 46 and 47 respectively, which creates a precise boundary at the edges of the media stream exiting through port 3.
the combined shapes of the neck 40 and the outlet orifice 3 again allow distribute the energy of the flow evenly, favoring the speed of the particles in the central zone of the nozzle 5 and the flow on its two short sides.
FIG. 19 shows an oblong neck 50 which also has rectilinear edges, as in figure 17, but each of them is formed by two segments 51-52 and 53-54 angularly offset to have a variable spacing from a minimum on sides to a maximum in the central area.
an outlet port of opposite shape namely that it has two straight edges each formed by two segments 55-56 and 57-58 offset angularly in reverse segments 51-52 and 53-54 whose spacing varies from a maximum on the sides up to a minimum in the central area.
FIG. 21 shows the neck 40 of FIG. 15 and in FIG. 22 the orifice of output from figure 14.
the collar can have different shapes, from that of Figure 17 to straight and parallel edges, up to the perfectly geometric elliptical shape of Figure 21.
outlet orifices having a shape coordinated with that of the corresponding neck, this shape can also be produced in different variants, it being recalled that the area of the passage section of the outlet orifice must be equal to that of the neck.

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Nozzles (AREA)
Cleaning In General (AREA)
Cleaning By Liquid Or Steam (AREA)
Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
Glanulating (AREA)
Medicinal Preparation (AREA)

EP01403321A 2001-01-04 2001-12-20 Düse zum konzentrierten Sprühen eines mit Feststoffteilchen geladenen Mediums, besonders zum feinen und präzisen Reinigen und zur Kontrolle von Oberflächen Expired - Lifetime EP1221358B1 (de)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
GB0100198		2001-01-04
GB0100198A GB2372718B (en)	2001-01-04	2001-01-04	Nozzle intended for the concentrated distribution of a fluid for scouring of surfaces

Publications (3)

Publication Number	Publication Date
EP1221358A2 true EP1221358A2 (de)	2002-07-10
EP1221358A3 EP1221358A3 (de)	2002-09-18
EP1221358B1 EP1221358B1 (de)	2005-07-20

Family

ID=9906256

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP01403321A Expired - Lifetime EP1221358B1 (de)	2001-01-04	2001-12-20	Düse zum konzentrierten Sprühen eines mit Feststoffteilchen geladenen Mediums, besonders zum feinen und präzisen Reinigen und zur Kontrolle von Oberflächen

Country Status (7)

Country	Link
US (1)	US6726130B2 (de)
EP (1)	EP1221358B1 (de)
AT (1)	ATE299780T1 (de)
CA (1)	CA2365343A1 (de)
DE (1)	DE60112029T2 (de)
ES (1)	ES2246302T3 (de)
GB (1)	GB2372718B (de)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP1357057B2 (de) *	2002-04-22	2014-11-19	S.C. Johnson & Son, Inc.	Behälter für eine sprühbare Substanz, Kappe für einen solchen Behälter, und Verfahren zum Herstellen desselben
JP2004009257A (ja) *	2002-06-10	2004-01-15	Macoho Co Ltd	ピーニング処理方法
US6851632B2 (en) *	2003-01-24	2005-02-08	Spraying Systems Co.	High-pressure cleaning spray nozzle
US20050023385A1 (en) *	2003-07-29	2005-02-03	Kui-Chiu Kwok	Powder robot gun
US6989061B2 (en) *	2003-08-22	2006-01-24	Kastalon, Inc.	Nozzle for use in rotational casting apparatus
CA2529782C (en)	2003-08-22	2010-12-07	Kastalon, Inc.	Nozzle for use in rotational casting apparatus
US20050173556A1 (en) *	2004-02-09	2005-08-11	Kui-Chiu Kwok	Coating dispensing nozzle
FR2866587B1 (fr) *	2004-02-25	2007-03-16	Francois Archer	Dispositif de buse de grenaillage
FR2866586B1 (fr) *	2004-02-25	2007-05-11	Francois Archer	Procede de grenaillage de precontrainte de parois interieures de corps creux et dispositif de mise en oeuvre
GB2418159B (en) *	2004-09-17	2008-02-13	Quill Internat Ind Plc	A blasting nozzle
WO2006097134A1 (fr) *	2005-03-14	2006-09-21	Workinter Limited	Sabot et engin de decapage de surfaces pouvant presenter une courbure par projection et evacuation orientees d'un flux de particules
WO2006097133A1 (fr) *	2005-03-14	2006-09-21	Workinter Limited	Dispositif et procede de decapage a buse par projection d'un fluide charge de particules solides formant un front de decapage optimise
US9168546B2 (en) *	2008-12-12	2015-10-27	National Research Council Of Canada	Cold gas dynamic spray apparatus, system and method
US8187057B2 (en) *	2009-01-05	2012-05-29	Cold Jet Llc	Blast nozzle with blast media fragmenter
DE102009034417A1 (de) *	2009-07-23	2011-01-27	Airbus Operations Gmbh	Fluid-Aktuator zur Erzeugung einer gepulsten Auslass-Strömung in der Umströmung eines aerodynamischen Körpers, eine Ausblasvorrichtung mit einem solchen Fluid-Aktuator sowie einen solchen aerodynamischen Körper
JP5308275B2 (ja) *	2009-08-24	2013-10-09	国立大学法人東京工業大学	太陽光集光システム
US8459572B2 (en) *	2009-10-24	2013-06-11	Aerosol Dynamics Inc.	Focusing particle concentrator with application to ultrafine particles
US8607827B2 (en)	2010-11-22	2013-12-17	Euramax International, Inc.	Low profile downspout extension with non-rectangular outlet
US10012425B2 (en) *	2012-08-29	2018-07-03	Snow Logic, Inc.	Modular dual vector fluid spray nozzles
CN105377409A (zh) *	2013-04-26	2016-03-02	菲斯卡公司	流体流喷嘴
US9931639B2 (en)	2014-01-16	2018-04-03	Cold Jet, Llc	Blast media fragmenter

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2296715A (en) *	1939-06-15	1942-09-22	Joseph F Komar	Hydraulic descaling
US3419220A (en) *	1966-11-30	1968-12-31	Gulf Research Development Co	Nozzles for abrasive-laden slurry
GB1279399A (en) *	1968-12-03	1972-06-28	British Petroleum Co	Nozzle
US4380319A (en) *	1978-01-16	1983-04-19	Edward A. Sokolski	Liquid spray nozzle
JPS56100663A (en) *	1980-01-14	1981-08-12	Tokai Gokin Kogyo Kk	Spraying nozzle
DE3113028C2 (de) *	1981-04-01	1983-10-13	Gkss - Forschungszentrum Geesthacht Gmbh, 2054 Geesthacht	Vorrichtung zur Oberflächenbehandlung von Unterwasserbauwerken und Schiffen
US4572165A (en) *	1982-12-03	1986-02-25	Jacques Dodier	Hydrokinetic injector, particularly for balneotherapeutic applications
US4813611A (en) *	1987-12-15	1989-03-21	Frank Fontana	Compressed air nozzle
US5066335A (en) *	1989-05-02	1991-11-19	Ogilvie Mills Ltd.	Glass-like polysaccharide abrasive grit
FR2712826A1 (fr) *	1993-11-26	1995-06-02	Ind Centre	Buse de traitement de surface, et procédé de traitement de surface utilisant une telle buse.
US5779523A (en) *	1994-03-01	1998-07-14	Job Industies, Ltd.	Apparatus for and method for accelerating fluidized particulate matter
DE19541174C2 (de) *	1995-11-04	1998-11-26	Spraying Systems Deutschland G	Hochleistungsstrahldüse
US5616067A (en) *	1996-01-16	1997-04-01	Ford Motor Company	CO2 nozzle and method for cleaning pressure-sensitive surfaces
US6394369B2 (en) *	1999-12-22	2002-05-28	Visteon Global Tech., Inc.	Nozzle

2001
- 2001-01-04 GB GB0100198A patent/GB2372718B/en not_active Expired - Fee Related
- 2001-12-20 EP EP01403321A patent/EP1221358B1/de not_active Expired - Lifetime
- 2001-12-20 DE DE60112029T patent/DE60112029T2/de not_active Expired - Fee Related
- 2001-12-20 ES ES01403321T patent/ES2246302T3/es not_active Expired - Lifetime
- 2001-12-20 AT AT01403321T patent/ATE299780T1/de not_active IP Right Cessation
- 2001-12-27 CA CA002365343A patent/CA2365343A1/fr not_active Abandoned
2002
- 2002-01-03 US US10/037,342 patent/US6726130B2/en not_active Expired - Fee Related

Also Published As

Publication number	Publication date
EP1221358A3 (de)	2002-09-18
US6726130B2 (en)	2004-04-27
GB0100198D0 (en)	2001-02-14
DE60112029T2 (de)	2006-06-01
GB2372718A (en)	2002-09-04
ES2246302T3 (es)	2006-02-16
CA2365343A1 (fr)	2002-07-04
EP1221358B1 (de)	2005-07-20
DE60112029D1 (de)	2005-08-25
ATE299780T1 (de)	2005-08-15
GB2372718B (en)	2004-07-14
US20020088881A1 (en)	2002-07-11

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Publication	Publication Date	Title
EP1221358B1 (de)	2005-07-20	Düse zum konzentrierten Sprühen eines mit Feststoffteilchen geladenen Mediums, besonders zum feinen und präzisen Reinigen und zur Kontrolle von Oberflächen
EP0090691B1 (de)	1987-11-04	Strahldüse deren Strahl flache und feste Schleifteilchen aufweist
EP0281438B1 (de)	1991-04-17	Vorrichtung zum elektrostatischen Sprühen von pulverförmigen Stoffen
FR3029959A1 (fr)	2016-06-17	Refroidissement de composants de moteur
EP3296022B1 (de)	2021-01-13	Beschichtungseinrichtung
EP1270101B1 (de)	2006-11-22	Dünne und verteilte rohrförmige Struktur und Herstellungsverfahren
FR2810908A1 (fr)	2002-01-04	Module de nettoyage multifonctions d'un appareil de fabrication pour ecran plat et appareil de nettoyage utilisant celui-ci
EP2085488B1 (de)	2010-09-22	Device for blowing gas onto a surface of a material in running strips
EP2100668A1 (de)	2009-09-16	Zerstäubungsdüse und Flüssigkeitszerstäuber
CA3097619C (fr)	2024-01-30	Dispositif et procede pour le traitement superficiel d'un materiau
FR3029813B1 (fr)	2019-07-19	Procede de fabrication d'un revetement microstructure
EP1893356B1 (de)	2011-06-22	Hochdruck-flüssigkeitszerstäubungsdüse für eine maschine zur reinigung optischer linsen oder anderer substrate
EP3946810B1 (de)	2026-01-28	Düse für ein sprühsystem und sprühsystem mit einer solchen düse
WO2006097133A1 (fr)	2006-09-21	Dispositif et procede de decapage a buse par projection d'un fluide charge de particules solides formant un front de decapage optimise
FR2584953A1 (fr)	1987-01-23	Buse de soufflage a grande vitesse
EP0730498B1 (de)	1998-04-08	Düse zur oberflächenbehandlung sowie vorrichtung und verfahren zur oberflächenbehandlung mit einer solchen düse
EP3542390A1 (de)	2019-09-25	Behandlungseinheit für eine anlage zur behandlung der oberfläche eines sich bewegenden substrats, zugehörige anlage und verfahren zur implementierung
EP0660755B1 (de)	1996-10-23	Lineare zerstäubungsvorrichtung für flüssigkeiten, insbesondere für kühlflüssigkeiten
EP4261042B1 (de)	2025-03-05	Druckkopf mit wartungsschaltung und beschichtungsanlage
WO2006123032A1 (fr)	2006-11-23	Buse a chambre tourbillonnaire
FR2721536A1 (fr)	1995-12-29	Procédé et dispositif de pulvérisation de liquide.
FR2815552A1 (fr)	2002-04-26	Buse a effet rotatif amplifie pour le nettoyage de surfaces au moyen d'un melange air-granulat, sec ou humide, support pour une telle buse, et machine de nettoyage associee
FR3059341A1 (fr)	2018-06-01	Electrode pour installation de traitement de surface d'un substrat en mouvement, unite et installation correspondantes
EP1833959A1 (de)	2007-09-19	Sieb für bioimpaktor und damit ausgerüsteter bioimpaktor
BE1002563A3 (fr)	1991-03-26	Turbine de grenaillage.