EP2252711A1 - Lance holder - Google Patents
Lance holderInfo
- Publication number
- EP2252711A1 EP2252711A1 EP09716569A EP09716569A EP2252711A1 EP 2252711 A1 EP2252711 A1 EP 2252711A1 EP 09716569 A EP09716569 A EP 09716569A EP 09716569 A EP09716569 A EP 09716569A EP 2252711 A1 EP2252711 A1 EP 2252711A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- lance
- lance holder
- holder according
- housing
- clamping
- 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
Links
- 238000007789 sealing Methods 0.000 claims abstract description 40
- 239000002103 nanocoating Substances 0.000 claims abstract description 11
- 230000001681 protective effect Effects 0.000 claims description 22
- 239000002184 metal Substances 0.000 claims description 9
- 239000002893 slag Substances 0.000 claims description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 238000013461 design Methods 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 238000013500 data storage Methods 0.000 claims description 4
- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- 238000012549 training Methods 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 claims description 3
- 238000011144 upstream manufacturing Methods 0.000 claims description 2
- 239000005871 repellent Substances 0.000 claims 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 10
- 239000001301 oxygen Substances 0.000 description 10
- 229910052760 oxygen Inorganic materials 0.000 description 10
- 239000007789 gas Substances 0.000 description 9
- 238000011161 development Methods 0.000 description 8
- 230000018109 developmental process Effects 0.000 description 8
- 238000006073 displacement reaction Methods 0.000 description 8
- 238000013459 approach Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000006378 damage Effects 0.000 description 3
- 238000007664 blowing Methods 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000004519 grease Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000007740 vapor deposition Methods 0.000 description 2
- 206010061218 Inflammation Diseases 0.000 description 1
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000006735 deficit Effects 0.000 description 1
- 230000004054 inflammatory process Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/28—Manufacture of steel in the converter
- C21C5/42—Constructional features of converters
- C21C5/46—Details or accessories
- C21C5/4606—Lances or injectors
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/28—Manufacture of steel in the converter
- C21C5/42—Constructional features of converters
- C21C5/46—Details or accessories
- C21C5/4606—Lances or injectors
- C21C5/462—Means for handling, e.g. adjusting, changing, coupling
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/7722—Line condition change responsive valves
Definitions
- the invention relates to a lance holder for lance tubes used in particular in metallurgical and steel industry, in particular with a clamping head, which has a fixing part and a clamping part displaceable thereon, wherein the clamping part is associated with a sealing sleeve which clamps the inserted lance tube and thus can be influenced by the fixing part , Furthermore, such a lance holder may have a burn back fuse, e.g. be arranged downstream with a sintered metal or a thermocouple and / or a check valve.
- Lance holders with a clamping head serve to protect e.g. To keep fresh or separating / burning or melting or blowing required lance tube safely.
- the said fuses serve, for example, not to allow the slag to return to oxygen access when the blowing process ends or is interrupted.
- a gas-permeable disc made of sintered metal is disposed just before the oxygen tube, which prevents the slag return.
- This mechanical shut-off of the slag return does not always meet the demands made, especially when larger amounts of oxygen must be enforced, because then a sintered metal disc naturally leads to difficulties.
- the upstream valve assembly also assumes a kind of slag return flow safety function, this valve closes when the seal arranged above is burned due to the slag return.
- a lance tube inserted into the lance holder via a clamping head with a collet arranged therein.
- the inserted lance tube in the lance holder is determined by influencing the teeth of the collet.
- a sealing sleeve is arranged, which is influenced by the inserted tube and thereby deformed so that it rests close to the outside of the lance tube.
- lance holders are in use that can accommodate and fix inch tubes as well as those that can accommodate metric-dimensioned lance tubes. Only very small tolerances by the movements of the collet and ultimately the sealing sleeve are possible, usually in the range of about 0.2 mm. As these lance tubes are consumables, factories are ultimately forced to buy both inch and metric pipe diameters, which causes problems for the workforce because they usually rely on lance holders accepting only a few pipe diameters. This leads to repeated damage and accidents, because when operating with the inserted too small or too large diameter, the parts of the lance holder which are important for fixing and sealing are damaged, so that the lance holder is no longer damaged is functional.
- the invention is therefore based on the object to provide a lance holder, which is simultaneously fully operationally safe and usable for lance tubes as many dimensions.
- the fixing part is equipped with a run-on slope in which at least one individual pressure element, in particular distributed over the circumference a plurality, in particular at least two individual non-interconnected at right angles to the longitudinal axis of the inserted lance tube slidable pressure elements are arranged guided , All of which can be influenced simultaneously via the clamping part having a pressure bevel, in particular by a movement of the clamping part on the fixing part, eg by turning or pushing, the pressure elements in the radial direction are pressed inwards.
- the lance tube is arranged securely fixed, with further factional measures that later are described, the sealing sleeve can be protected from caking and even equipped itself with a diameter that allows the use of different sized lance tubes.
- the scope of different lance tube diameter is limited by the run-up slope and the corresponding trained clamping part, but a significant reduction of the Lanzenhalterbauschitzn is possible.
- the tolerance range is increased by the inventive design to about 0.5 - 3 mm depending on the structure of the lance holder.
- the number of lance tubes currently in use for which a large number of lance holders were previously tailored to the respective measure, can now be reduced to six to seven.
- the pressure elements are designed to generate an at least substantially punctiform or linear load pressure on the inserted lance tube.
- pressure elements are used which do not press surface on the lance tube, but point or line, so that a higher and more targeted pressure or load pressure can be generated.
- the embodiment may be chosen such that the pressure elements generate a local elastic or plastic deformation in the peripheral surface of the lance tube, whereby not only a force or friction but also a positive connection of the pressure elements can be achieved with the deformations generated.
- cylindrical pins are used with at least one-sided pointed, 4.000 shamem or spherical end or balls.
- the pressure elements are formed as balls, whereby the mentioned punctiform Loading pressure can be selectively generated, in particular wherein the lance tubes are usually made of mild steel, so for example ST37, while the balls are made of hardened material and thus ensure long service life.
- a particularly uniform and secure fixation of the lance tube in the lance holder is given when evenly distributed over the circumference at least three balls are guided in the run-on slopes of the fixing part.
- bores are expediently provided in the starting bevel, through which the respective ball can be pressed onto the surface of the lance tube, specifically from the pushed or displaced clamping part.
- the clamping part has, as mentioned above, a corresponding pressure bevel, which runs uniformly, so that it is ensured that the at least one ball, preferably all balls can be moved simultaneously in their holes on the inserted lance tube to keep this safe and so permanent to fix.
- the said holes may be designed in one embodiment so that they each have an inner free area in which a ball is freely displaceable, wherein at least the mouth region of a bore facing a lance tube, or in the interior of the fixing part to the inside in the hole pointing projection, eg a projecting circumferential collar which reduces the diameter of the bore at the mouth region to a dimension smaller than the ball diameter, so that a ball is mounted captive in the fixing part. Also at the mouth to the run-in an equivalent projection or collar may be formed.
- a fixing part can thus form a ball cage, in which the balls each have a limited movement play.
- Such a projection may e.g. also be produced in the manufacture of the fixing after inserting the balls by local plastic deformation.
- the fixing part in this embodiment has an insertable between the outer wall of the sealing sleeve and the surrounding protective housing approach wedge.
- This approach wedge acts on the sealing sleeve and ensures that it applies sufficiently tight against the outer wall of the lance tube and ensures a secure seal.
- the sealing sleeve is relieved, can deform back and detach from the residual lance tube, so that it can easily be removed from the lance holder.
- the sealing sleeve is no longer deformed in its longitudinal direction, but pressed down on the approach wedge targeted to be held and sealed lance tube, in particular at least substantially in the radial direction.
- a displacement of the clamping part on the fixing member is carried out in a possible embodiment advantageously in that the clamping part of the clamping head is surrounded by a clamping sleeve which is displaceable on the external thread of the protective housing and equipped with a arranged between the top wall of the clamping part and the clamping wall of the clamping sleeve ball bearing is.
- This process is carried out by simply turning the clamping sleeve, which can be facilitated by roughened gripping surfaces and the like this rotation.
- the lance tube must be sufficiently far, ie pushed through the sealing sleeve into the lance holder, in particular to the stop.
- a gas flow blocking control valve with Lanzenrohranschlag and beyond the burn back a actuatable via the gas flow or responsive check valve in Protective housing is arranged.
- the invention provides, in a preferred development, for a securing body (burn back protection) to be arranged in the flow direction in front of the lance holder, which can comprise a check valve, a thermal fuse and a control valve ,
- a securing body burn back protection
- the fuse body can be integral with the lance holder or be screwed as a separate part with this.
- the number of required sizes can be substantially reduced by the lance holder according to the invention.
- fixing part, clamping part and sealing sleeve tube tolerances of 3-4 mm for metric tubes and at the same time for inch tubes permitting group dimensions are formed having formed. This makes it possible, as already mentioned above, to make do with a total of about seven or fewer holder sizes, while today more than 15 such holder sizes must be taken into account in order to enable safe operation of the lance holder.
- lance holders of any kind have a chip suitable for data storage, eg an RFID chip exhibit.
- a chip suitable for data storage eg an RFID chip exhibit.
- each protective housing be assigned a chip.
- This chip is preferably formed so or provided with information that, if necessary, this information can be retrieved to both the type and the first time as the length of the operating time u. ⁇ . to be able to call on demand.
- the invention provides in a development that the chip has a metal housing having a thread on the side, in particular a metal housing with external thread, which corresponds to the internal thread of a arranged in the housing part or protective housing bore ,
- a metal housing with external thread which corresponds to the internal thread of a arranged in the housing part or protective housing bore .
- This thus protected against external influences housing can also be placed in a convenient manner so that it can be read out safely, but beyond that is practically unaffected by external influences.
- the screwing into a corresponding hole is not very time-consuming and makes it possible to arrange this chip in each case where it can be read particularly well and where it is housed well and safely.
- the chip is so interchangeable.
- the invention provides in a preferred development that the chip has a battery-free, addressable via the reading device and activatable transponder.
- This transponder is equipped with a corresponding antenna and ensures that the necessary energy can be given up via the reading device, in order then to retrieve and evaluate the stored data and information via the reading device or the reading device.
- the identification of the chips is facilitated in a further developments in that the metal housing with the transponder on the visible side has an identifier, although it still expediently there is a notch on the insertion of the metal housing is facilitated in the associated bore.
- the tag located on the visible side makes it easy for the user to find the chip and activate the transponder and remove the corresponding data.
- Lance holders of any kind must be supplied free of grease to the steelworks or the steelworks.
- the problem is that even after a relatively short service life over the gloves of the operating team or other influences but again deposits grease on the housing of a lance holder. This is associated with hazards because the fat or the other components tend to inflammation and thus endanger the workforce.
- this is effectively prevented in any lance holders, especially those according to the aforementioned invention (s) in that the housing, in particular the protective housing and also the partial housing and the rotary ring are provided with a continuous nano-coating.
- the nano coating is achieved that any incident subsequently harmful substances or fat constituents do not settle or settle on the surface of the corresponding protective housing of the lance holder. Instead, they bead off and thus ensure that the lance holder is kept free from such harmful substance constituents or keeps itself free.
- the nano-coating also applies the roughened gripping surfaces with covering, e.g. vapor deposition ensures that a sufficiently thick nano-coating covers the entire areas to be protected.
- covering e.g. vapor deposition
- a safe application of the nano-coating on conventional or here described inventive lance holder and a permanent adhesion is achieved according to the invention preferably characterized in that the gripping surfaces and the entire surface of the lance holder, in particular the protective housing, part housing and rotary ring thoroughly cleaned prior to vapor deposition, preferably via ultrasound. After the appropriate cleaning, the nano-coating is applied to the clean surface, so that a completely protected lance holder can be made available.
- An additional protection for a planned back fire protection is achieved according to the invention in a further development characterized in that the burn-back protection or slag return protection is preceded by a valve disc which is slidably formed with the inserted lance tube against the force of a spring.
- This valve disc is an additional safeguard, which is advantageous for particularly problematic applications.
- the lance holder in a preferred embodiment can only be put into operation if the lance tube is inserted far enough into the lance holder. Then, the control valve is opened at the same time with the inserted lance tube, which can be ensured in particular by the fact that the lance tube stopper is associated with a sliding sleeve, which tapers to the center and then designed to the control valve again widening on the latter is formed acting.
- This special shape makes it possible to design the lance tube stop sufficiently stable even with tubes of different diameters and thus to ensure that it is always moved so that the control valve arranged behind it is opened or closed even with the reverse movement.
- Protective housing arranged displaceably and is formed.
- this safety stop When this safety stop is reached, the user is visibly reached the optimum position and he does not need to keep trying to push the lance tube into the lance holder. Even if he makes an effort, but this safety stop ensures that damage to the lance tube stop with the push sleeve does not occur.
- the invention is characterized in particular by the fact that a lance holder is provided which can be used both in the metallurgical and in the steel industry, without an unnecessary danger to the operating crew may occur by possibly incorrect operation or handling.
- the inserted lance tube is optimally fixed in the lance holder, at the same time ensuring that during operation the lance tube is always pushed far enough into the lance holder, namely to the end stop.
- the non-return valve blocking the inflow of the gas is opened and the gas can flow through the lance holder into the lance tube previously secured and sealed in the lance holder.
- the necessary sealing of the lance tube is carried out in a preferred embodiment no longer by a deformed in its longitudinal direction sealing sleeve, but rather in that the sealing sleeve is pressed over a neck wedge, in particular the at the inner end of the fixing member, is uniformly and safely suppressed to the lance tube.
- This attachment wedge can be designed as a pipe end that tapers in the wall thickness, in particular at the inner end of the fixing part, which is enlarged in diameter relative to the region freely permeable to a lance pipe, in particular such that its outer diameter corresponds to or is greater than the outer diameter of the sealing sleeve. This gives the possibility to use sealing sleeves with a larger diameter than the outer diameter of the lance tubes.
- the targeted training of the clamping head with displaceable perpendicular to the longitudinal axis of pressure elements, in particular in the form of balls also ensures a punctual application of the load pressure and thus optimal fixation of the lance tube within the lance holder. This is ensures that the lance tube can not rotate in the lance holder, wherein the lance tube is fixed by the chuck and the sealing sleeve, but just by the chuck so sure that turning the lance tube in the lance holder is safely turned off.
- the bent for the introduction of oxygen into the molten liquid lance tubes can be kept safe and by turning lance tubes no danger can occur.
- the new lance holder allows lance tubes with different tube diameters to be inserted with one and the same lance holder. Tube tolerances of 3-4 mm are safe to handle. The lance tubes can be easily removed. The sealing sleeve no longer tends to cake.
- the lance holder as a whole has a significantly reduced weight and very compact dimensions.
- the clamping head is preferably hardened and can thus provide long service life. It is also advantageous that the lance holder can be easily assembled and disassembled and that, as already mentioned, it can have a chip which contains a great variety of information and data. The targeted execution of the downstream components an oxygen passage in optimal size is possible.
- a preferred burn back protection can be used for a wide variety of lance holders. Only lance holders for 23 to 26 and 26 to 29 mm tubes require a special size. This burn-back fuse is advantageously arranged securely and can not be damaged by the inserted lance tube.
- FIG. 1 shows a lance holder according to the invention
- Figure 2 shows a chip in plan view.
- FIG. 1 shows a lance holder 1 in section.
- a non-illustrated lance tube can be inserted to be fixed therein.
- the fixing takes place via the clamping head 3, which here comprises a fixing part 4 and a clamping part 5.
- This clamping head 3 is followed by a sealing sleeve 6, which is formed, or can be deformed so that it tightly surrounds an inserted lance tube and ensures in that the introduced gas (gas flow 27) flows precisely through the lance holder 1 without allowing any leakage currents.
- a burn-back fuse 7 is housed in the protective housing, which is in principle a known burn-back fuse 7.
- the clamping head 3 comprises the fixing part 4 with a run-on slope 13 in which pressure elements 14 in the form of balls 15 are accommodated. Distributed over the circumference there are preferably three such balls 15 which are accommodated in holes in the run-on slope 13, so that they can be moved at right angles to the longitudinal axis 16 of the lance holder 1. This movement takes place via the clamping part 5, which is equipped for this purpose with a pressure ramp 17. With displacement of these pressure ramps 17 in the direction of the sealing sleeve 6, the balls 15 are thus influenced so that they press punctiform on the inserted lance tube and thus ensure that the lance tube is completely fixed and also fixed against rotation fixed in the lance holder 1.
- FIG. 1 shows an arrangement in which the downstream check valve 30 is opened by the pressure of the gas flow 27, without an opening valve is shown. However, this opening can only be done if, as described further above, the control valve 26 is open and the lance tube is inserted sufficiently far.
- the necking wedge 19 it should additionally be pointed out that not the fixing part 4 is displaced with the necking wedge 19, but conversely the entire tensioning sleeve 20 shifts and then ensures that the necking wedge 19 between the outer wall 8 of the sealing sleeve 6 and the protective housing 9 can be pushed into it.
- FIG. 1 shows that the burn back fuse 7 with the two control and check valves 26, 30 is assigned to a separate safety housing 31 in order to facilitate maintenance work or other work.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Carbon Steel Or Casting Steel Manufacturing (AREA)
- Furnace Charging Or Discharging (AREA)
- Treatment Of Steel In Its Molten State (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
- Clamps And Clips (AREA)
- Jet Pumps And Other Pumps (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Incineration Of Waste (AREA)
- Pipe Accessories (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200810012554 DE102008012554B4 (en) | 2008-03-04 | 2008-03-04 | lance holder |
PCT/EP2009/001240 WO2009109301A1 (en) | 2008-03-04 | 2009-02-20 | Lance holder |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2252711A1 true EP2252711A1 (en) | 2010-11-24 |
EP2252711B1 EP2252711B1 (en) | 2013-11-06 |
Family
ID=40674053
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20090716569 Active EP2252711B1 (en) | 2008-03-04 | 2009-02-20 | Lance holder |
Country Status (13)
Country | Link |
---|---|
US (1) | US8298477B2 (en) |
EP (1) | EP2252711B1 (en) |
JP (1) | JP5602028B2 (en) |
KR (1) | KR101564477B1 (en) |
CN (1) | CN102007225B (en) |
AU (1) | AU2009221263B2 (en) |
BR (1) | BRPI0908548B8 (en) |
CA (1) | CA2716431C (en) |
DE (1) | DE102008012554B4 (en) |
ES (1) | ES2445691T3 (en) |
MX (1) | MX2010009733A (en) |
WO (1) | WO2009109301A1 (en) |
ZA (1) | ZA201005710B (en) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102008012554B4 (en) * | 2008-03-04 | 2011-12-22 | Beda Oxygentechnik Armaturen Gmbh | lance holder |
DE102008019029A1 (en) * | 2008-04-15 | 2009-10-22 | Beda Oxygentechnik Armaturen Gmbh | Lance holder with multi-tolerance clamping head |
US8545505B2 (en) | 2010-01-15 | 2013-10-01 | Pioneer Surgical Technology, Inc. | Low friction rod persuader |
DE102011014323A1 (en) | 2010-12-28 | 2012-06-28 | Beda Oxygentechnik Armaturen Gmbh | Multiple secured coupling device for oxygen lances |
DE102012004515A1 (en) * | 2012-03-06 | 2013-09-12 | Beda Oxygentechnik Armaturen-GmbH | Lance holder with fuse for odd, especially bent oxygen lances |
US9456253B2 (en) * | 2012-12-04 | 2016-09-27 | Virtual Marketing Incorporated | Internet protocol television streaming methods and apparatus |
CN105786356B (en) * | 2014-12-23 | 2019-08-09 | 阿里巴巴集团控股有限公司 | A kind of operating method and device of application |
DE102019102485A1 (en) | 2019-01-31 | 2020-08-06 | Beda Oxygentechnik Armaturen Gmbh | Lance holder for oxygen lance tubes |
CN111347240B (en) * | 2020-03-30 | 2021-06-29 | 中国一冶集团有限公司 | Installation and centering tool for converter mouth, vaporization flue and oxygen lance and use method thereof |
KR102556189B1 (en) * | 2021-12-08 | 2023-07-19 | 주식회사 비비씨 | Backfire prevention device for Lance Equipment |
CN114434065B (en) * | 2021-12-24 | 2024-05-28 | 航发燃机(株洲)有限公司 | Clamping and positioning device for welding spray gun |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2327595C2 (en) * | 1973-05-30 | 1974-10-10 | Fa. Manfred Schulz, 4032 Lintorf | Tube holder, especially for the combustion tube of an oxygen lance |
DE2447723C2 (en) * | 1974-10-07 | 1975-11-13 | Manfred 4032 Lintorf Schulz | Tube body for an oxygen lance |
DE7613150U1 (en) * | 1976-04-27 | 1976-08-26 | Fa. Manfred Schulz, 4030 Ratingen | Tube holder for the combustion tube of an oxygen lance |
FR2410678A1 (en) * | 1977-12-03 | 1979-06-29 | Schulz Manfred | HANDLE FOR OXYGEN LANCE |
JPH0426444Y2 (en) * | 1987-09-11 | 1992-06-25 | ||
DE3880841D1 (en) * | 1988-12-02 | 1993-06-09 | Beda Oxygentech Armatur | COMPACT LANCE WITH TUBE TORQUE PROTECTION. |
DE3885616D1 (en) * | 1988-12-02 | 1993-12-16 | Beda Oxygentech Armatur | Lance holder for compact lance. |
JP3371772B2 (en) * | 1996-11-19 | 2003-01-27 | 住友金属工業株式会社 | Lance exchange mechanism, lance hose attachment / detachment mechanism, lance fixing mechanism, and lance automatic exchange device |
IT1311080B1 (en) * | 1998-03-23 | 2002-02-28 | Beda Oxygentech Armatur | SUPPORT FOR LANCES WITH MULTIFUNCTIONAL TIGHTENING HEAD. |
DE19903473B4 (en) * | 1998-03-23 | 2006-10-26 | Beda-Oxygentechnik Armaturen-Gmbh | Lance holder with multifunctional clamping head |
DE102008012554B4 (en) * | 2008-03-04 | 2011-12-22 | Beda Oxygentechnik Armaturen Gmbh | lance holder |
DE102008019029A1 (en) * | 2008-04-15 | 2009-10-22 | Beda Oxygentechnik Armaturen Gmbh | Lance holder with multi-tolerance clamping head |
-
2008
- 2008-03-04 DE DE200810012554 patent/DE102008012554B4/en not_active Expired - Fee Related
-
2009
- 2009-02-20 WO PCT/EP2009/001240 patent/WO2009109301A1/en active Application Filing
- 2009-02-20 KR KR1020107020161A patent/KR101564477B1/en active IP Right Grant
- 2009-02-20 MX MX2010009733A patent/MX2010009733A/en active IP Right Grant
- 2009-02-20 AU AU2009221263A patent/AU2009221263B2/en active Active
- 2009-02-20 ES ES09716569T patent/ES2445691T3/en active Active
- 2009-02-20 JP JP2010549033A patent/JP5602028B2/en active Active
- 2009-02-20 EP EP20090716569 patent/EP2252711B1/en active Active
- 2009-02-20 CN CN2009801076734A patent/CN102007225B/en active Active
- 2009-02-20 BR BRPI0908548A patent/BRPI0908548B8/en active IP Right Grant
- 2009-02-20 US US12/736,020 patent/US8298477B2/en active Active
- 2009-02-20 CA CA2716431A patent/CA2716431C/en active Active
-
2010
- 2010-08-11 ZA ZA2010/05710A patent/ZA201005710B/en unknown
Non-Patent Citations (1)
Title |
---|
See references of WO2009109301A1 * |
Also Published As
Publication number | Publication date |
---|---|
CN102007225A (en) | 2011-04-06 |
MX2010009733A (en) | 2010-09-30 |
AU2009221263B2 (en) | 2012-10-18 |
JP2011514502A (en) | 2011-05-06 |
DE102008012554A1 (en) | 2009-09-10 |
JP5602028B2 (en) | 2014-10-08 |
AU2009221263A1 (en) | 2009-09-11 |
CA2716431A1 (en) | 2009-09-11 |
ZA201005710B (en) | 2011-04-28 |
KR101564477B1 (en) | 2015-10-29 |
BRPI0908548B1 (en) | 2018-01-23 |
CN102007225B (en) | 2013-06-19 |
CA2716431C (en) | 2016-05-03 |
BRPI0908548B8 (en) | 2022-09-06 |
ES2445691T3 (en) | 2014-03-04 |
DE102008012554B4 (en) | 2011-12-22 |
WO2009109301A1 (en) | 2009-09-11 |
US8298477B2 (en) | 2012-10-30 |
EP2252711B1 (en) | 2013-11-06 |
KR20100124283A (en) | 2010-11-26 |
BRPI0908548A2 (en) | 2015-09-29 |
US20110001021A1 (en) | 2011-01-06 |
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