WO2010089165A1 - Lance - Google Patents

Lance Download PDF

Info

Publication number
WO2010089165A1
WO2010089165A1 PCT/EP2010/050200 EP2010050200W WO2010089165A1 WO 2010089165 A1 WO2010089165 A1 WO 2010089165A1 EP 2010050200 W EP2010050200 W EP 2010050200W WO 2010089165 A1 WO2010089165 A1 WO 2010089165A1
Authority
WO
WIPO (PCT)
Prior art keywords
nozzle
lance
medium
workpiece
lance according
Prior art date
Application number
PCT/EP2010/050200
Other languages
German (de)
English (en)
Inventor
Norbert Klinkhammer
Original Assignee
Dürr Ecoclean 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 Dürr Ecoclean GmbH filed Critical Dürr Ecoclean GmbH
Priority to EP10701338A priority Critical patent/EP2393603B1/fr
Priority to PL10701338T priority patent/PL2393603T3/pl
Priority to CN201080003943.XA priority patent/CN102271821B/zh
Publication of WO2010089165A1 publication Critical patent/WO2010089165A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
    • B05B13/06—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00 specially designed for treating the inside of hollow bodies
    • B05B13/0627—Arrangements of nozzles or spray heads specially adapted for treating the inside of hollow bodies
    • B05B13/0636—Arrangements of nozzles or spray heads specially adapted for treating the inside of hollow bodies by means of rotatable spray heads or nozzles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B3/00—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements
    • B05B3/02—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements
    • 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
    • B05B1/14—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
    • B05B13/06—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00 specially designed for treating the inside of hollow bodies
    • B05B13/0645—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00 specially designed for treating the inside of hollow bodies the hollow bodies being rotated during treatment operation
    • B05B13/0663—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00 specially designed for treating the inside of hollow bodies the hollow bodies being rotated during treatment operation and the hollow bodies being translated in a direction parallel to the rotational axis

Definitions

  • the invention relates to a lance, in particular a rotary lance, for deburring and / or cleaning workpieces. Specifically, the invention relates to the field of high pressure rotary lances used for deburring channels having transverse bores and / or openings in workpieces.
  • An object of the invention is to provide a lance with an improved mode of action.
  • a medium under high pressure can form a fluid flow according to the invention, wherein the medium is, for example, under a pressure of more than 30 MPa (300 bar).
  • At least one (with respect to a feed direction of the lance and / or a direction of rotation of a lance portion) forward and / or a rearwardly directed nozzle is provided on the nozzle portion, over which the feasible to the nozzle portion medium can be emitted beam-shaped.
  • a forward and / or a backward nozzle on the one hand, an advantageous jet can be formed, which achieves a high degree of effectiveness on impact for removing or detaching the burr.
  • lateral irradiation of the burr can be achieved, so that the burr is hit by the beam on its side surface, resulting in a large detaching force.
  • At least one laterally directed nozzle is provided on the nozzle section, via which the medium which can be guided to the nozzle section can be emitted in a jet-like manner, and / or at least one tangentially directed nozzle is provided on the nozzle section via which the nozzle can be guided to the nozzle section
  • Medium jet-shaped can be issued, and / or that a further tangentially directed nozzle is provided, via which the feasible to the nozzle portion medium jet is deliverable, and that the further tangentially directed nozzle is aligned with respect to a direction of rotation opposite to the tangentially directed nozzle.
  • Side-facing nozzles preferably each have an outlet direction, which is oriented transversely to the feed direction of the lance and / or transversely to a lance axis.
  • Tangentially directed nozzles preferably each have an outlet direction which is oriented at an acute angle to a cylindrical circumferential surface of the lance and in a surface perpendicular to a lance axis.
  • the medium can be emitted in a jet, which has a high Entgratungsfensiv when hitting.
  • the beam can be directed to the ridge in an advantageous direction (according to its outlet direction).
  • a cross section, in particular a circular cross section, of the nozzle section of the lance can be adapted to the cross section of the channel, so that the medium issuing from the tangentially directed nozzle in a jet-like and tangential direction is deflected by the channel wall in the direction of the ridge and an advantageous Deburring takes place.
  • At least one inclined forward or backward nozzle is provided, which is at least partially aligned against the lateral orientation of at least one sideways or tangentially directed nozzle.
  • a transverse force which is generated in particular by the laterally or tangentially directed nozzles in the case of longer lances, can be increased. At least partially compensated, whereby an undesirable deflection of the lance can be reduced or prevented.
  • the tangentially directed nozzle is aligned with an outlet direction at least substantially in a circumferential direction.
  • the medium With respect to an outer wall of the nozzle portion, the medium thereby exits the nozzle as flat as possible on the outer wall, so that a substantially aligned in the circumferential direction of the jet results.
  • An angle to the outer wall of the lance is preferably less than 30 °. In this way, the beam can be directed at a favorable angle to the ridge, the beam in particular hits the ridge laterally and thus not only the optionally very narrow side of the ridge is hit. Thus, the effect of the jet incident on the burr can be further improved.
  • At least one storage space for the nozzle is formed in the nozzle section.
  • the efficiency of the nozzles provided in the nozzle section can be further improved. Specifically, in a rapidly flowing fluid, an advantageous increase in the efficiency can be achieved.
  • the storage space is delimited by at least one storage area which is oriented at least substantially counter to a flow direction of the medium which can be guided through the conduit and / or if the storage space at least partially extends into a wall of the nozzle portion.
  • a storage area oriented counter to the flow direction, an advantageous stowage of the fluid for the nozzles adjacent to the storage space in the nozzle section can be achieved.
  • a further improvement in the efficiency can be achieved, for example, for tangentially directed nozzles which open into the storage space.
  • an inlet for the nozzle is formed in the nozzle section. Such an inlet is especially advantageous for a forward or reverse nozzle to further enhance the effect. This can be advantageously combined with a storage space for laterally or tangentially directed nozzles.
  • the inlet for the nozzle is designed as at least partially conical inlet and / or that the inlet is provided for a forwardly directed nozzle.
  • Both the conical design of the inlet and the design of the nozzle as a forward nozzle are aerodynamically advantageous because turbulence or separation of the flow can be prevented or at least reduced.
  • the nozzle section is provided at a tip of the lance. As a result, an advantageous arrangement of a plurality of nozzles on the nozzle portion is possible. In addition, a larger number of nozzles can be realized even at a relatively small peak. It is also advantageous that a forward nozzle is oriented at least approximately on a longitudinal axis of the nozzle section. As a result, during the introduction or passage of the lance through a channel or the like, a beam directed in the forward direction can be generated. Especially in combination with laterally or tangentially directed nozzles, existing burrs can be made for deburring from different directions, so that extensive deburring is possible.
  • a burr is first processed from one direction and then in the further rotated state of the lance from another direction. This bends the burr back and forth, so to speak, so that the burr breaks off and is thus removed.
  • the nozzle is configured by at least one nozzle bore formed in the nozzle section. As a result, a compact configuration of the nozzle portion of the lance is possible. In addition, a high mechanical strength of the nozzle is possible.
  • At least one first nozzle oriented approximately in the direction of the longitudinal axis of the lance and at least one second nozzle oriented approximately transversely to the longitudinal axis of the lance are formed on a nozzle section of a lance according to the invention, through which a preferably incompressible medium bears against the workpiece can be injected, wherein the workpiece and the nozzle portion are designed relative to each other in the direction of the longitudinal axis of the lance adjustable and rotatable relative to each other about the longitudinal axis.
  • an approximately oriented in the direction of a longitudinal axis nozzle according to the invention an outlet direction, which forms an angle of up to 30 ° with the longitudinal axis of the lance.
  • an orifice oriented approximately transverse to a longitudinal axis of the lance according to the invention has an outlet direction which encloses an angle of at least 60 ° with the longitudinal axis of the lance.
  • driving has a plurality of method steps which can be carried out in any desired sequence as well as partially or completely at the same time.
  • FIG. 1 shows a lance according to an embodiment of the invention with a workpiece in a partial, schematic sectional view.
  • FIG. 2 shows a section through the lance of the exemplary embodiment shown in FIG. 1 and the workpiece along the section line designated by II in an excerpted representation, wherein the lance is located in the region of a transverse bore;
  • Fig. 3 shows the illustrated in Fig. 2 excerpts cut in a further rotational position of the lance of the embodiment.
  • Fig. 1 shows a lance 1 according to an embodiment and a workpiece 2 in a partial, schematic sectional view.
  • the lance 1 of the exemplary embodiment is preferably used for deburring the workpiece 2, in that a fluid flow with an adjustable flow pulse can be directed against sections of the workpiece 2 in a targeted manner with the aid of the lance.
  • a fluid flow with an adjustable flow pulse can be directed against sections of the workpiece 2 in a targeted manner with the aid of the lance.
  • a fluid flow with an adjustable flow pulse can be directed against sections of the workpiece 2 in a targeted manner with the aid of the lance.
  • a fluid flow with an adjustable flow pulse can be directed against sections of the workpiece 2 in a targeted manner with the aid of the lance.
  • a fluid flow with an adjustable flow pulse can be directed against sections of the workpiece 2 in a targeted manner with the aid of the lance.
  • the lance 1 according to the invention is also suitable for other applications and is also used in particular for cleaning workpieces 2 by det
  • the fluid flow is directed against the workpiece at a working pressure above the ambient pressure (eg with a working pressure of 100 bar and more). More preferably, the fluid is directed against the workpiece at a working pressure rapidly changing at a frequency greater than 1 Hz.
  • the lance 1 is designed as a rotary lance 1, so that its nozzle section or lance head and possibly further portions of the lance rotate at a frequency of more than 1 Hz about a lance axis, so that the fluid flow in rapid change to different Sections of the workpiece passes.
  • the workpiece is rotatably mounted on a movably arranged carrier, so that the workpiece can be rotated relative to the lance with a possibly changing frequency.
  • the lance can then be arranged fixedly mounted.
  • the workpiece and the lance head are each rotatable independently of one another, if necessary, are designed to rotate in opposite directions.
  • a liquid or gaseous medium is provided, to which a high flow impulse in the form of high flow velocity and / or high working pressure can be given.
  • the lance 1 of the embodiment has a tubular base body 6 and a nozzle portion 7.
  • the tubular base body 6 is in Fig. 1 shown in sections.
  • the length of the tubular base body 6 is predetermined so that in the workpiece 2 provided channels, in particular the channel 3, can be passed.
  • the nozzle section 7 is designed in this embodiment as a head section 7. Through the head portion 7, a tip 8 of the lance 1 is formed.
  • the channel 3 has a circular cross-section 9.
  • the channel 3 has an axis 10.
  • the main body 6 of the lance 1 has an axis 11. When inserting the lance 1 into the channel 3, the axis 11 of the main body 6 of the lance 1 is aligned with the axis 10 of the channel 3.
  • the axis 11 of the main body 6 of the lance 1 is preferably at least approximately on the axis 10 of the channel 3.
  • the lance 1 is inserted in a feed direction in the channel 3.
  • the lance 1 of the embodiment is designed as a rotary lance 1, so that the nozzle portion 7 is rotatable about the axis 11.
  • the rotation of the nozzle section 7 can take place in a circumferential direction 13 or counter to the circumferential direction 13.
  • the nozzle portion 7 is alternately rotated in or against the circumferential direction 13 or rotated.
  • the nozzle portion 7 is rotatably connected to the tubular body 6. This connection is made cohesively.
  • an encircling weld seam 14 is provided for this purpose, which connects the nozzle section 7 with the tubular base body 6.
  • a connecting surface 15 between the nozzle portion 7 and the tubular base body 6 is sealed, so that an inner space 16 is sealed with respect to the connecting surface 15 to the outside.
  • the inner space 16 of the lance 1 forms in the region of the tubular base body 6 a ne line 17 through which a medium under high pressure through the tubular body 6 to the nozzle portion 7 is feasible.
  • Forward nozzles 18, 19 are provided on the nozzle section 7. Starting from the interior 16 of the lance 1, the forward-looking nozzles 18, 19 are aligned in the feed direction 12. Accordingly, it is also possible that the lance 1 at the nozzle portion 7 has rearwardly directed nozzles, which are directed from the inner space 16 against the feed direction 12. Via the nozzles 18, 19, the guided via the line 17 to the nozzle section 7 medium jet-like delivered.
  • the tip 8 of the lance 1 in the feed direction 12 is viewed slightly in front of a mouth region 20 in which the transverse bore 4 opens into the channel 3.
  • the medium is radiated jet-shaped, which is illustrated in FIG. 1 by jets 21, 22.
  • water can be used as a medium.
  • the water jet 21 is directed forward in the feed direction 12 so that it impinges on the inside of the workpiece 2 at a certain distance 23.
  • the water jet 21 impinges on the ridge 5 in the mouth region 20.
  • the nozzle 18 is designed such that a beam diameter 24 results which is substantially constant along the beam 21. This results in the impact of the medium on the ridge 5, a high mechanical load, which leads to the detachment of the ridge 5.
  • the parts of the ridge 5 are replaced, which offer the beam 21 a large attack surface.
  • the nozzles 18, 19 are formed at least in sections by nozzle bores 25, 26 in the nozzle section 7. Further, in the nozzle portion 7 conical inlet 27, 28 designed for the forward nozzles 18, 19. About the conical inlet 27, 28, the medium from the interior 16 of the lance 1 enters the nozzle bore ments 25, 26. This ensures a streamlined supply of the medium to the nozzles 18, 19, so that advantageous jet shapes of the jets 21, 22 result. Specifically, a uniform beam diameter 24 of the beam 21 can be achieved. In addition, a uniform delivery of the medium is possible because flow separation is prevented or at least reduced. This results in a high efficiency of the forwardly directed nozzles 18, 19th
  • tangentially directed nozzles 30, 31 are provided at the nozzle portion 7 of the lance 1 at the nozzle portion 7 of the lance 1 .
  • the medium which can be guided via the line 17 to the nozzle section 7 can be emitted in the form of a jet.
  • the design of the lance 1, in particular of the tangentially directed nozzles 30, 31 of the nozzle section 7, is described below in further detail with reference to FIGS. 2 and 3.
  • FIG. 2 shows a section through the nozzle section 7 of the lance 1 illustrated in FIG. 1 along the section line designated by the reference symbol II and through the workpiece 2, wherein the tip 8 of the lance 1 is located in the region of the transverse bore 4.
  • the tangentially directed nozzles 30, 31 are formed in the nozzle portion 7 in which also the forwardly directed nozzles 18, 19 are formed.
  • the tangentially directed nozzles can also be provided in a further nozzle section.
  • the interior 16 of the lance 1 is adjoined by a stowage space 34.
  • the storage space 34 is bounded by a storage area 35 (FIG. 1) which is oriented counter to a flow direction of the medium which can be guided through the line 17.
  • the flow direction is equal in this embodiment, the feed direction 12.
  • the storage space 34 is formed by a recess 36 in a wall 37 of the nozzle portion 7. As a result, the storage space 34 extends into the wall 37 of the nozzle section 7.
  • the nozzle bores 32, 33 lead on the one hand into the storage space 34 and on the other hand.
  • the tangentially directed nozzle 30 is oriented in the circumferential direction 13.
  • the tangentially directed nozzle 31 is oriented counter to the circumferential direction 13.
  • the two tangentially directed nozzles 30, 31 are aligned opposite to each other. As a result, an angular momentum generated in operation is canceled out at least approximately.
  • the medium is radiated via the tangentially directed nozzles 30, 31, whereby beams 39, 40 are generated.
  • rotational position of the nozzle portion 7 of the lance 1 of the beam 39 strikes a portion 41 of the ridge. 5
  • the part 41 of the ridge 5 offers only a small attack surface to the jet 21 which strikes the ridge 5 at a shallow angle 42.
  • the part 41 of the ridge 5 is therefore possibly not removed by the beam 21.
  • the part 41 of the ridge 5 the beam 39 has a relatively large attack surface.
  • the beam 39 can remove the part 41 of the ridge 5 with a better efficiency than the beam 21.
  • FIG. 3 shows the lance shown in Fig. 2 of the embodiment with the workpiece 2 according to the embodiment in a further rotational position.
  • the nozzle section 7 is turned so far relative to the rotational position shown in FIG. 2 in the circumferential direction 13 that the tangentially directed nozzle 31 is aimed at the part 41 of the ridge 5.
  • the jet 40 radiated via the nozzle 31 thereby strikes the part 41 already processed by the jet 39 radiated from the nozzle 30.
  • the part 41 of the ridge 5 is mutually acted upon.
  • the tangentially directed nozzle 30 serves as a leading nozzle and the tangentially directed nozzle 31 serves as a trailing nozzle 31.
  • a rotation counter to the circumferential direction 13 is possible.
  • the mutual application of the ridge 5 results in a large mechanical load on the ridge 5, in particular the part 41, so that the effectiveness of the lance 1 is further improved.
  • a diameter 45 (FIG. 1) of the nozzle section 7 can be adapted to the cross section 9. In this case, the diameter 45 is preferably not smaller than the 62nd part of the distance of the tangentially directed nozzles 30, 31 to a channel wall 46.
  • the at least approximately tangentially from the tangentially directed nozzles 30, 31 exiting medium is deflected at a corresponding rotational position of the nozzle portion 7 of the channel wall 46 in the direction of the ridge 5. This results in a high mechanical load of the ridge 5.
  • the storage surface 35 results in a certain back pressure, so that the medium is sprayed with high pressure on the tangentially directed nozzles 30, 31.
  • the rays 21, 22 hit due to the flat angle 42 with high efficiency on the right angle to the axis 10 and thus axis 11 standing part of the ridge 5.
  • the angle 42 has a value of less than 30 °, preferably less than 20 °.
  • transverse bores 4 drilled transversely into the channel 3 can also be provided on workpieces 2 which are made of grout-forming materials.
  • the medium guided for deburring through the lance 1 is preferably a fluid, in particular water.
  • gaseous media can also be used. It is also possible that different media are used.
  • the invention is not limited to the described embodiments of a lance configuration.
  • the features of different embodiments according to the invention can be combined as desired.
  • a treatment method according to the invention for preferably metallic workpieces can be carried out as follows.
  • a liquid or gaseous medium is sprayed against the workpiece 2 by means of two first nozzles 21, 22 provided on a nozzle section 7 and oriented approximately in the direction of a longitudinal axis 11.
  • the same medium is injected against the workpiece 2 in further other directions by means of two second nozzles 32, 33 oriented approximately transversely to the longitudinal axis 11.
  • the workpiece and the nozzle section are adjusted relative to each other in the direction of the longitudinal axis 11 and / or in the direction of the workpiece axis 10.
  • the workpiece and the nozzle section are moved relative to each other about the longitudinal axis 11 and / or around the work piece. piece-axis 10 twisted.
  • the latter is preferably carried out by a rotation of the nozzle section or the nozzle head.
  • the workpiece is rotated by means of a rotating carrier relative to the lance.

Landscapes

  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Nozzles (AREA)

Abstract

L'invention concerne une lance (1), utilisée en particulier comme lance rotative pour l'ébarbage et/ou le nettoyage de pièces d'usinage, comprenant une section à buses (7) et un conduit (17) menant à la section à buses (7), via lequel un milieu sous haute pression peut être envoyé dans ladite section à buses (7). Il est prévu dans cette section à buses (7), plusieurs buses (18, 19, 30, 31) via lesquelles ledit milieu envoyé à la section à buses (7) est délivré sous forme de jet.
PCT/EP2010/050200 2009-02-06 2010-01-11 Lance WO2010089165A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP10701338A EP2393603B1 (fr) 2009-02-06 2010-01-11 Lance
PL10701338T PL2393603T3 (pl) 2009-02-06 2010-01-11 Lanca
CN201080003943.XA CN102271821B (zh) 2009-02-06 2010-01-11 喷枪

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009007971.8 2009-02-06
DE102009007971A DE102009007971A1 (de) 2009-02-06 2009-02-06 Lanze

Publications (1)

Publication Number Publication Date
WO2010089165A1 true WO2010089165A1 (fr) 2010-08-12

Family

ID=42028206

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2010/050200 WO2010089165A1 (fr) 2009-02-06 2010-01-11 Lance

Country Status (5)

Country Link
EP (1) EP2393603B1 (fr)
CN (1) CN102271821B (fr)
DE (1) DE102009007971A1 (fr)
PL (1) PL2393603T3 (fr)
WO (1) WO2010089165A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9903273B2 (en) 2014-07-25 2018-02-27 Rolls-Royce Plc Method and an apparatus for producing cooling apertures in a combustion chamber head
DE102019107292A1 (de) * 2019-03-21 2020-09-24 Ecoclean Gmbh Hochdruckwerkzeug und Verfahren zum Herstellen eines Hochdruckwerkzeugs

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6673768B2 (ja) * 2016-07-15 2020-03-25 株式会社スギノマシン めねじの洗浄方法
CN111804895B (zh) * 2020-06-17 2022-05-17 江阴市星海铸造有限公司 一种内管表面深加工出水管金属铸件去毛刺装置

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1237969B (de) * 1961-09-15 1967-04-06 Neubecker Fa C A Duese zur Fass- oder Gefaessreinigung
US3744723A (en) * 1969-06-05 1973-07-10 D Davis Pipe cleaning nozzle
US3987963A (en) * 1975-06-27 1976-10-26 Partek Corporation Of Houston Fluid delivery system
US5125425A (en) * 1991-02-27 1992-06-30 Folts Michael E Cleaning and deburring nozzle
EP0829311A2 (fr) * 1996-09-12 1998-03-18 Kabushiki Kaisha Toshiba Machine de finition à jet et système de finition utilisant une méthode à jet biphasé
DE19857976A1 (de) 1998-12-16 2000-06-21 Schneider Druckluft Gmbh Abflußreinigungspistole
EP1016470A1 (fr) * 1998-12-16 2000-07-05 Schneider Luftdruck GmbH Pistolet de nettoyage pour conduits

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2129182Y (zh) * 1992-06-21 1993-04-07 陈长海 自动喷洗球
CN2137567Y (zh) * 1992-11-23 1993-07-07 石油大学(华东) 移动式水射流圆管清洗装置
CN2257746Y (zh) * 1995-11-16 1997-07-16 王乃和 低压喷射清洗球
CN2334508Y (zh) * 1997-08-25 1999-08-25 长沙矿山研究院 高压水射流加翼喷头
CN200998723Y (zh) * 2007-01-13 2008-01-02 管序荣 油管清洗装置

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1237969B (de) * 1961-09-15 1967-04-06 Neubecker Fa C A Duese zur Fass- oder Gefaessreinigung
US3744723A (en) * 1969-06-05 1973-07-10 D Davis Pipe cleaning nozzle
US3987963A (en) * 1975-06-27 1976-10-26 Partek Corporation Of Houston Fluid delivery system
US5125425A (en) * 1991-02-27 1992-06-30 Folts Michael E Cleaning and deburring nozzle
EP0829311A2 (fr) * 1996-09-12 1998-03-18 Kabushiki Kaisha Toshiba Machine de finition à jet et système de finition utilisant une méthode à jet biphasé
DE19857976A1 (de) 1998-12-16 2000-06-21 Schneider Druckluft Gmbh Abflußreinigungspistole
EP1016470A1 (fr) * 1998-12-16 2000-07-05 Schneider Luftdruck GmbH Pistolet de nettoyage pour conduits

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9903273B2 (en) 2014-07-25 2018-02-27 Rolls-Royce Plc Method and an apparatus for producing cooling apertures in a combustion chamber head
DE102019107292A1 (de) * 2019-03-21 2020-09-24 Ecoclean Gmbh Hochdruckwerkzeug und Verfahren zum Herstellen eines Hochdruckwerkzeugs
WO2020188083A1 (fr) 2019-03-21 2020-09-24 Ecoclean Gmbh Outil à pression élevée et procédé de production d'un outil à pression élevée

Also Published As

Publication number Publication date
CN102271821A (zh) 2011-12-07
EP2393603A1 (fr) 2011-12-14
EP2393603B1 (fr) 2012-12-19
DE102009007971A1 (de) 2010-08-12
PL2393603T3 (pl) 2013-05-31
CN102271821B (zh) 2015-05-13

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