EP1485207B1 - Device for homogeneous impingement of a planar surface of a tool with a heated gas - Google Patents
Device for homogeneous impingement of a planar surface of a tool with a heated gas Download PDFInfo
- Publication number
- EP1485207B1 EP1485207B1 EP03709615A EP03709615A EP1485207B1 EP 1485207 B1 EP1485207 B1 EP 1485207B1 EP 03709615 A EP03709615 A EP 03709615A EP 03709615 A EP03709615 A EP 03709615A EP 1485207 B1 EP1485207 B1 EP 1485207B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- nozzles
- nozzle
- spiral
- gas
- deflection device
- 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.)
- Expired - Lifetime
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D7/00—Forming, maintaining, or circulating atmospheres in heating chambers
- F27D7/04—Circulating atmospheres by mechanical means
-
- 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
- B05B1/005—Nozzles or other outlets specially adapted for discharging one or more gases
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/74—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material
- C21D1/767—Methods of treatment in inert gas, controlled atmosphere, vacuum or pulverulent material with forced gas circulation; Reheating thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/004—Nozzle assemblies; Air knives; Air distributors; Blow boxes
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0006—Details, accessories not peculiar to any of the following furnaces
Definitions
- the invention relates to a device for uniformly acting on a flat surface of a workpiece with a heated gas, wherein an occupied with nozzles, running parallel to the flat surface and provided with openings for the nozzle nozzle bottom is provided and the nozzles are each tubular and normal to stand the surface to be acted upon.
- Such devices are used, for example, to heat coils of coils wound into coils.
- the highest possible heat transfer is desired, so that the duration of treatment is as short as possible.
- excessive heating of individual areas, in particular the strip edges of coils should be avoided. It follows that the most favorable arrangement is to be found, which allows a uniform and high heat transfer possible
- a device of the type mentioned is described for example in DE 196 50 965.
- This has a flat nozzle bottom with nozzle openings, which directs the respective emerging gas jet inclined to the surface of the workpiece on this.
- the nozzles are grouped together and aligned in their direction of deflection so that the projection of the jets of two adjacent nozzles of a group forms an angle resulting from the division of 360 ° by the number of nozzles associated with a group.
- the object of the invention is to provide a device of the type mentioned, which significantly reduces the heat transfer loss occurring over known devices of the pertinent art and increases the uniformity of politicians vererlung.
- each deflector is formed of one or more metal strips, each of which one or more evenly over the circumference the nozzle distributed, helically extending through the nozzle metal strips are formed, the width of which is adapted to the radius of the nozzle and that the winding at n metal strips at least over 360 ° / n.
- the projection of the deflection devices completely covers the cross section of the respective nozzle. This prevents gas jets from flowing through the deflection device substantially rectilinearly and does not deflect and expand in the desired manner after exiting the nozzle. Furthermore, the radiation influence of a heating device arranged on the inflow side of the nozzle base can thus be excluded.
- the jet of a nozzle can be advantageously influenced if the deflection device has at least two coiled flow channels.
- the deflection devices can advantageously extend over the entire length of a nozzle, so that the rotation of the respective gas jet is impressed over the greatest possible length.
- the nozzles are preferably arranged on the outflow side of the nozzle base, but can sit on the inflow side in specific applications.
- Fig. 1 shows a furnace 1, in which the surfaces to be acted upon 2 of the goods are blown over the tubular nozzle 3 formed.
- hot gas is taken from a fan 4 from the furnace chamber and fed to the attached to the downstream side of the nozzle bottom 5 nozzles 3 on the inflow side 7 of the nozzle bottom 5.
- the heating required for the heating of the gas is not shown.
- FIG. 2 shows an example of a nozzle 3 according to the invention with a circular cross-section.
- a deflection device 6 is provided over the entire length, which in this case consists of two radially penetrating strips of material, so that the interior of the nozzle is divided into four separate flow channels is shared.
- the deflection device 6 is formed helically to the axis of the nozzle, extending over the entire length of the nozzle and is rotated by 90 °. The gas flowing through it is given a twist. A substantially rectilinear flow is thus excluded.
- the nozzles 3 show the flow path of the gas between the nozzle bottom 5 and the surface 2 to be acted upon.
- the nozzles 3 are arranged on the downstream side of the nozzle bottom 5 and normal to the surface 2 to be acted upon.
- the direction of flow of the gas is indicated by the arrows.
- the gas receives as it flows through the nozzle 3 by the deflection device 6 an alignment. This causes the cross-sectional area of the gas jet in the propagation direction to increase. In this case, the increase in the cross-sectional area depends on the swirl applied to the gas in the deflection device, so that the impact area of a jet can be determined via it. After the impact of the jet on the surface 2, the gas flows back between the nozzles 3.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Thermal Sciences (AREA)
- Physics & Mathematics (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Furnace Details (AREA)
- Nozzles (AREA)
- Gas Burners (AREA)
- Heat Treatment Of Strip Materials And Filament Materials (AREA)
Abstract
Description
Die Erfindung betrifft eine Vorrichtung zur gleichmäßigen Beaufschlagung einer planen Fläche eines Werkstücks mit einem erhitzten Gas, wobei ein mit Düsen besetzter, parallel zu der planen Fläche verlaufender und mit Öffnungen für die Düsen versehener Düsenboden vorgesehen ist und die Düsen jeweils rohrförmig ausgebildet sind und normal zu der zu beaufschlagenden Fläche stehen.The invention relates to a device for uniformly acting on a flat surface of a workpiece with a heated gas, wherein an occupied with nozzles, running parallel to the flat surface and provided with openings for the nozzle nozzle bottom is provided and the nozzles are each tubular and normal to stand the surface to be acted upon.
Derartige Vorrichtungen werden beispielsweise zur Erwärmung von zu Coils aufgewickelten Blechbändem verwendet. Bei dem Beblasen der Stimflächen eines solchen Coils ist zum einen ein möglichst hoher Wärmeübergang gewünscht, so dass die Behandlungsdauer möglichst kurz ist. Andererseits ist eine übermäßige Erwärmung einzeiner Bereiche, insbesondere der Bandkanten von Coils zu vermeiden. Daraus folgt, dass eine möglichst günstige Anordnung zu finden ist, die einen möglichst gleichmäßigen und hohen Wärmeübergang ermöglichtSuch devices are used, for example, to heat coils of coils wound into coils. In the blowing of the end surfaces of such a coil, on the one hand, the highest possible heat transfer is desired, so that the duration of treatment is as short as possible. On the other hand, excessive heating of individual areas, in particular the strip edges of coils, should be avoided. It follows that the most favorable arrangement is to be found, which allows a uniform and high heat transfer possible
Eine Vorrichtung der eingangs erwähnten Gattung wird beispielsweise in der DE 196 50 965 beschrieben. Diese weist einen ebenen Düsenboden mit Düsenöffnungen auf, die den jeweils austretenden Gasstrahl geneigt zur Fläche des Werkstücks auf diese richtet. Weiterhin sind die Düsen zu Gruppen zusammengefasst und in ihrer Ablenkrichtung so zueinander ausgerichtet, dass die Projektion der Düsenstrahlen zweier benachbarter Düsen einer Gruppe einen Winkel bildet, der sich durch die Division von 360° durch die Anzahl der einer Gruppe zugehörigen Düsen ergibt.A device of the type mentioned is described for example in DE 196 50 965. This has a flat nozzle bottom with nozzle openings, which directs the respective emerging gas jet inclined to the surface of the workpiece on this. Furthermore, the nozzles are grouped together and aligned in their direction of deflection so that the projection of the jets of two adjacent nozzles of a group forms an angle resulting from the division of 360 ° by the number of nozzles associated with a group.
Ein Nachteîl dieser Anordnung liegt insbesondere in dem langen Strahlweg, der aus der Neigung der Strahlachse einer einzelnen Düse gegenüber der Normalen auf den Düsenboden einer Gruppe resultiert und einer großen Abnahme des Wärmeübergangs mit zunehmendem Abstand vom Düsenboden zur Folge hat.A Nachteîl this arrangement is particularly in the long beam path, resulting from the inclination of the jet axis of a single nozzle relative to the normal to the nozzle bottom of a group and a large decrease in the heat transfer with increasing distance from the nozzle bottom result.
Aus der EP 0 911 418 A1 ist weiter eine Vorrichtung bekannt, bei der ein erhitztes Gas durch Düsen hindurch auf ein Stahlband zum Zwecke der Wärmebehandlung geleitet wird.From EP 0 911 418 A1 a device is also known in which a heated gas is passed through nozzles on a steel strip for the purpose of heat treatment.
Aufgabe der Erfindung ist es, eine Vorrichtung der eingangs erwähnten Art zu schaffen, welche die auftretende Wärmeübergangsabnahme gegenüber bekannten Vorrichtungen der einschlägigen Art wesentlich reduziert und die Gleichmäßigkeit der Wärmeverterlung steigert.The object of the invention is to provide a device of the type mentioned, which significantly reduces the heat transfer loss occurring over known devices of the pertinent art and increases the uniformity of Wärmeverterlung.
Diese Aufgabe wird erfindungsgemäß bei einer Vorrichtung der eingangs erwähnten Art dadurch gelöst, dass in den Düsen eine das Gas wendelartig führende Ablenkvorrichtung angeordnet ist, wobei, jeder Ablenkvorrichtungen aus einem oder mehreren Metallstreifen gebildet ist, die jeweils aus einer oder aus mehreren gleichmäßig über den Umfang der Düse verteilten, wendelartig durch die Düse verlaufenden Metallstreifen gebildet sind, deren Breite dem Radius der Düse angepasst ist und dass die Wendelung bei n Metallstreifen mindestens über 360°/n verläuft.This object is achieved in a device of the type mentioned above in that in the nozzles a gas helically leading deflector is arranged, each deflector is formed of one or more metal strips, each of which one or more evenly over the circumference the nozzle distributed, helically extending through the nozzle metal strips are formed, the width of which is adapted to the radius of the nozzle and that the winding at n metal strips at least over 360 ° / n.
Durch diese Gestaltung der Düsen werden Strahlen erzielt, die durch ihre Führung genau definiert sind. Da die Gasstrahlen normal auf die zu beaufschlagende Fläche treffen, ergibt sich der kürzest mögliche Strahlweg und eine Reduzierung der Wärmeübergangsabnahme. Durch die wendelartige Führung der Strahlen nimmt deren Durchmesser in Strahlrichtung zu, so dass die zu beaufschlagende Fläche bei geeigneter Anordnung der Düsen gleichmäßig abgedeckt werden kann.By this design of the nozzles rays are achieved, which are precisely defined by their leadership. Since the gas jets meet normal to the surface to be acted on, there is the shortest possible beam path and a reduction of the heat transfer decrease. Due to the helical guidance of the jets, their diameter increases in the jet direction, so that the area to be acted upon can be evenly covered with a suitable arrangement of the jets.
Erfindungsgemäß wird die Projektion der Ablenkvorrichtungen den Querschnitt der jeweiligen Düse voll überdeckt. Dadurch wird verhindert, dass Gasstrahlen im Wesentlichen geradlinig die Ablenkvorrichtung durchströmen und sich nach dem Austritt aus der Düse nicht in gewünschter Weise umlenken und erweitem. Weiterhin lässt sich damit der Strahlungseinfluss einer auf der Zuströmseite des Düsenbodens angeordneten Beheizungseinrichtung ausschließen.According to the invention, the projection of the deflection devices completely covers the cross section of the respective nozzle. This prevents gas jets from flowing through the deflection device substantially rectilinearly and does not deflect and expand in the desired manner after exiting the nozzle. Furthermore, the radiation influence of a heating device arranged on the inflow side of the nozzle base can thus be excluded.
Der Strahl einer Düse lässt sich vorteilhaft beeinflussen, falls die Ablenkvorrichtung mindestens zwei gewendelt verlaufende Strömungskanäle aufweist.The jet of a nozzle can be advantageously influenced if the deflection device has at least two coiled flow channels.
Eine vorteilhafte Verteilung der Düsen auf dem Düsenboden ergibt sich, falls die Düsen auf normal zueinander stehenden Geraden äquidistant angeordnet sind und die Wendelungen der jeweils auf einer gemeinsamen Geraden nebeneinanderliegenden Düsen entgegengesetzt gerichtet sind. Hierdurch wird den so benachbarten Gasstrahlen eine Richtung gegeben, welche die Gleichmäßigkeit der Gasstrahlverteilung und damit auch die Erwärmung der anzuströmenden Fläche deutlich fordert.An advantageous distribution of the nozzles on the nozzle bottom is obtained if the nozzles are arranged equidistantly on normal straight lines and the turns of the juxtaposed on a common line adjacent nozzles are opposite. As a result, the thus adjacent gas jets are given a direction which clearly demands the uniformity of the gas jet distribution and thus also the heating of the surface to be flowed.
Die Ablenkvorrichtungen können sich in vorteilhafter Weise über die gesamte Länge einer Düse erstrecken, so dass damit dem jeweils durchtretenden Gasstrahl die Drehung über die größtmögliche Länge aufgeprägt wird.The deflection devices can advantageously extend over the entire length of a nozzle, so that the rotation of the respective gas jet is impressed over the greatest possible length.
Die Düsen sind erfindungsgemäß bevorzugt auf der Abströmseite des Düsenbodens angeordnet, können in spezifischen Anwendungen aber auf der Zuströmseite sitzen.According to the invention, the nozzles are preferably arranged on the outflow side of the nozzle base, but can sit on the inflow side in specific applications.
Im Folgenden wird die erfindungsgemäße Vorrichtung an einem Ausführungsbeispiel beschrieben. Es zeigt
- Fig. 1: einen horizontalen Schnitt durch einen Ofen, bei dem die mit dem Heißgas zu beaufschlagenden Flächen des Gutes von zwei einander gegenüberliegenden Seiten beblasen werden,
- Fig.2: eine perspektivische Ansicht einer rohrförmigen Düse, in der eine Ablenkvorrichtung aus zwei Metallstreifen angeordnet ist, und
- Fig. 3: den Strömungsverlauf des Gases zwischen den Düsen und der zu beaufschlagenden Fläche des Gutes.
- 1 shows a horizontal section through an oven, in which the surfaces of the material to be acted upon by the hot gas are blown from two opposite sides,
- 2 shows a perspective view of a tubular nozzle in which a deflection device is arranged from two metal strips, and
- Fig. 3: the flow of the gas between the nozzles and the surface to be acted upon the goods.
Fig. 1 zeigt einen Ofen 1, in dem die zu beaufschlagenden Flächen 2 des Gutes über die rohrförmigen ausgebildete Düsen 3 beblasen werden. Dabei wird heißes Gas von einem Ventilator 4 aus dem Ofenraum entnommen und den auf der Abströmseite des Düsenbodens 5 angebrachten Düsen 3 auf der Zuströmseite 7 des Düsenbodens 5 zugeführt. Die für die Erwärmung des Gases notwendige Heizung ist nicht eingezeichnet.Fig. 1 shows a
Fig. 2 zeigt ein Beispiel einer erfindungsgemäßen Düse 3 mit kreisrundem Querschnitt In der Düse 3 ist über die gesamte Länge eine Ablenkvorrichtung 6 angebracht, die in diesem Falle aus zwei sich radial durchdringenden Materialstreifen besteht, so dass der Innenraum der Düse in vier voneinander getrennte Strömungskanäle geteilt wird. Die Ablenkvorrichtung 6 ist dabei wendelartig zur Achse der Düse ausgebildet, erstreckt sich über die gesamte Länge der Düse und ist um 90° gedreht. Dem durchströmenden Gas wird dadurch ein Drall gegeben. Ein im Wesentlichen geradliniges Durchströmen ist damit ausgeschlossen.FIG. 2 shows an example of a
Fig. 3 zeigt den Strömungsverlauf des Gases zwischen dem Düsenboden 5 und der zu beaufschlagenden Fläche 2. In dem hier gezeigten Beispiel sind die Düsen 3 auf der Abströmseite des Düsenbodens 5 und normal zu der zu beaufschlagenden Fläche 2 angeordnet. Die Strömungsrichtung des Gases ist durch die Pfeile angegeben. Das Gas erhält beim Durchströmen der Düsen 3 durch die Ablenkvorrichtung 6 eine Ausrichtung. Diese führt dazu, dass die Querschnittsfläche des Gasstrahls in Ausbreitungsrichtung zunimmt. Dabei hängt die Zunahme der Querschnittsfläche von dem dem Gas in der Ablenkvorrichtung aufgeprägten Drall ab, so dass die Prallfläche eines Strahls darüber bestimmt werden kann. Nach dem Auftreffen des Strahls auf der Fläche 2 strömt das Gas zwischen den Düsen 3 zurück.3 shows the flow path of the gas between the
- 11
- Ofenoven
- 22
- zu beaufschlagende Fläche des Gutesto be acted upon surface of the goods
- 33
- Düsenjet
- 44
- Ventilatorfan
- 55
- Düsenbodennozzle bottom
- 66
- Ablenkvorrichtungdeflector
- 77
- Zuströmseiteinflow
Claims (6)
- A device for evenly applying heat to a plane surface of a work piece by means of a heated gas, wherein a nozzle bottom (5) comprising nozzles (3) is provided, which nozzle bottom (5) is arranged parallel to the plane surface and comprises apertures for the nozzles, and wherein the nozzles (3) are of tubular shape and are arranged perpendicular in relation to the surface (2) to which heat is to be applied,
characterised in that
a deflection device (6) is arranged in the nozzles, which provides spiral-shaped guidance to the gas, wherein each deflection device (6) is made up of one metal strip or several metal strips which are each made up of one or several metal strips being evenly distributed around the circumference of the nozzle (3) and being spiral-shaped within the nozzle (3), wherein the width of said metal strip(s) matches/match the radius of the nozzle (3), and in that the spiral-shaped arrangement in n metal strips extends over at least 360/n°. - The device according to claim 1,
characterised in that
the deflection device (6) comprises at least two flow channels of spiral-shaped arrangement. - The device according to any one of the preceding claims,
characterised in that
the nozzles (3) are arranged so as to be equidistant on straight lines which are in a perpendicular position in relation to each other, and the spiralshapes of the nozzles (3) which are arranged side-by-side on a common straight line are arranged in opposite directions. - The device according to any one of the preceding claims,
characterised in that
the deflection device (6) is at least one metal strip which extends in a spiral-shape on the axis of the nozzle (3). - The device according to any one of the preceding claims,
characterised in that
the deflection device (6) extends along the entire length of a nozzle (3). - The device according to any one of the preceding claims,
characterised in that
the nozzles (3) are arranged on the outflow side of the nozzle bottom (5).
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10212234A DE10212234A1 (en) | 2002-03-19 | 2002-03-19 | Device for uniformly loading a flat surface of a workpiece with a heated gas |
DE10212234 | 2002-03-19 | ||
PCT/DE2003/000454 WO2003078072A1 (en) | 2002-03-19 | 2003-02-14 | Device for homogeneous impingement of a planar surface of a tool with a heated gas |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1485207A1 EP1485207A1 (en) | 2004-12-15 |
EP1485207B1 true EP1485207B1 (en) | 2006-06-14 |
Family
ID=27815783
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03709615A Expired - Lifetime EP1485207B1 (en) | 2002-03-19 | 2003-02-14 | Device for homogeneous impingement of a planar surface of a tool with a heated gas |
Country Status (8)
Country | Link |
---|---|
US (1) | US20060049556A1 (en) |
EP (1) | EP1485207B1 (en) |
AT (1) | ATE329694T1 (en) |
BR (1) | BR0308571A (en) |
CA (1) | CA2479598A1 (en) |
DE (2) | DE10212234A1 (en) |
ES (1) | ES2266787T3 (en) |
WO (1) | WO2003078072A1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2015051369A1 (en) * | 2013-10-04 | 2015-04-09 | Berry Plastics Corporation | Container-forming process and machine |
DE102013111886A1 (en) * | 2013-10-29 | 2015-04-30 | Ventilatorenfabrik Oelde Gmbh | Method and device for drying a material web |
CN107131720A (en) * | 2017-06-28 | 2017-09-05 | 广西德金烘干设备有限公司 | Agricultural byproducts drying unit |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE800380C (en) * | 1948-10-02 | 1950-11-02 | Paul Lechler Fa | Multiple nozzle |
CA1165525A (en) * | 1981-02-12 | 1984-04-17 | Jobst U. Gellert | Heated nozzle bushing with fixed spiral blade |
DE3440901A1 (en) * | 1983-12-30 | 1985-07-11 | VEB Metalleichtbaukombinat, DDR 7030 Leipzig | Arrangement for finely atomising fluids |
DE9201085U1 (en) * | 1992-01-30 | 1992-04-09 | SUET Saat- und Erntetechnik GmbH, 3440 Eschwege | Device for reproducibly exact dosing distribution of a small, preselected amount of liquid onto a surface |
DE4333519A1 (en) * | 1993-10-01 | 1995-04-06 | Bosch Gmbh Robert | Perforated body |
US5513976A (en) * | 1994-04-13 | 1996-05-07 | Caco Pacific Corporation | Nozzle for heating and passing a fluid into a mold |
AT402507B (en) * | 1995-10-19 | 1997-06-25 | Ebner Peter H | PLANT FOR THE HEAT TREATMENT OF METALLIC FURNACE |
DE19650965C1 (en) * | 1996-12-07 | 1998-08-13 | Kramer Carl | Device for uniformly applying a fluid to a flat surface of a workpiece |
KR100293139B1 (en) * | 1997-03-14 | 2001-06-15 | 아사무라 타카싯 | Steel Band Heat Treatment Apparatus by Gas Jet Flow |
-
2002
- 2002-03-19 DE DE10212234A patent/DE10212234A1/en not_active Withdrawn
-
2003
- 2003-02-14 WO PCT/DE2003/000454 patent/WO2003078072A1/en active IP Right Grant
- 2003-02-14 EP EP03709615A patent/EP1485207B1/en not_active Expired - Lifetime
- 2003-02-14 US US10/507,531 patent/US20060049556A1/en not_active Abandoned
- 2003-02-14 DE DE50303829T patent/DE50303829D1/en not_active Expired - Lifetime
- 2003-02-14 ES ES03709615T patent/ES2266787T3/en not_active Expired - Lifetime
- 2003-02-14 BR BR0308571-6A patent/BR0308571A/en not_active IP Right Cessation
- 2003-02-14 AT AT03709615T patent/ATE329694T1/en not_active IP Right Cessation
- 2003-02-14 CA CA002479598A patent/CA2479598A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
CA2479598A1 (en) | 2003-09-25 |
DE10212234A1 (en) | 2003-10-09 |
ATE329694T1 (en) | 2006-07-15 |
EP1485207A1 (en) | 2004-12-15 |
DE50303829D1 (en) | 2006-07-27 |
US20060049556A1 (en) | 2006-03-09 |
BR0308571A (en) | 2005-01-04 |
ES2266787T3 (en) | 2007-03-01 |
WO2003078072A1 (en) | 2003-09-25 |
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