EP2992116A2 - Procédé et dispositif de traitement thermique de produits allongés - Google Patents

Procédé et dispositif de traitement thermique de produits allongés

Info

Publication number
EP2992116A2
EP2992116A2 EP14726504.5A EP14726504A EP2992116A2 EP 2992116 A2 EP2992116 A2 EP 2992116A2 EP 14726504 A EP14726504 A EP 14726504A EP 2992116 A2 EP2992116 A2 EP 2992116A2
Authority
EP
European Patent Office
Prior art keywords
atmosphere
long product
furnace
long
heating
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP14726504.5A
Other languages
German (de)
English (en)
Other versions
EP2992116B1 (fr
Inventor
Adolf BURGSTALLER
Hans Peter PICHLER
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.)
Steinklauber Industriebeteiligung & Vermogensverwaltung GmbH
Original Assignee
Steinklauber Industriebeteiligung & Vermogensverwaltung 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 Steinklauber Industriebeteiligung & Vermogensverwaltung GmbH filed Critical Steinklauber Industriebeteiligung & Vermogensverwaltung GmbH
Publication of EP2992116A2 publication Critical patent/EP2992116A2/fr
Application granted granted Critical
Publication of EP2992116B1 publication Critical patent/EP2992116B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
    • F27B9/30—Details, accessories or equipment specially adapted for furnaces of these types
    • F27B9/3005—Details, accessories or equipment specially adapted for furnaces of these types arrangements for circulating 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
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
    • 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
    • C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
    • C21D9/525—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length for wire, for rods
    • 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
    • C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
    • C21D9/54—Furnaces for treating strips or wire
    • C21D9/56—Continuous furnaces for strip or wire
    • C21D9/561—Continuous furnaces for strip or wire with a controlled atmosphere or vacuum
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
    • F27B9/06—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity heated without contact between combustion gases and charge; electrically heated
    • F27B9/10—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity heated without contact between combustion gases and charge; electrically heated heated by hot air or gas
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
    • F27B9/14—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment
    • F27B9/20—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
    • F27B9/28—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity for treating continuous lengths of work
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
    • F27B9/30—Details, accessories or equipment specially adapted for furnaces of these types
    • F27B9/36—Arrangements of heating devices
    • 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

Definitions

  • the invention relates to a method for heat treating long products, especially long metal products such as wires, sheets or the like made of steel, wherein the long product is passed through an oven with at least one heater for heating an atmosphere and an inlet and an outlet, wherein the long product through the Inlet can be inserted into the oven and run through the outlet of this and is heated with the heated atmosphere, the guided through the oven long product.
  • the invention relates to a device for heat treating
  • Long products in particular metallic long products such as wires, sheets or the like made of steel, comprising at least one furnace with at least one
  • Heating means for heating an atmosphere and an inlet and an outlet, along which the long product can be introduced into and out of the furnace, wherein with the heated atmosphere through the furnace, the long product is heated.
  • Flat products made of steel are often used in a process chain heat treatment steps as intermediate steps or final steps.
  • metallic wires provided with a layer of copper and zinc are heat treated in diffusion ovens to achieve conversion of the layer of copper and zinc to brass.
  • a stress relief annealing at temperatures of up to 800 ° C take place.
  • the process step of stress relief annealing taken alone in itself, represents a necessary intermediate step for producing a semifinished product
  • Martensite formation in turn, can lead to wire breaks due to a hard and brittle microstructure of the martensite.
  • heat recovery is difficult to control, especially with regard to a temperature range.
  • such a method is mainly suitable for stress relief annealing, but little for near-surface diffusion because the heat in the wire flows from the inside to the outside.
  • Another method is the so-called fluidized-bed process.
  • This process is characterized by a good heat transfer, however, the media used, such as salt or sand, have a corrosive and / or abrasive action.
  • an abrasive portion on the surface of the drawn wire also affects the devices used and their components, for. As drawing dies, extremely disadvantageous.
  • the object of the invention is to provide a method of the type mentioned, with the heat treatment processes of long products, especially steel wires, in the continuous process can be carried out effectively and with high quality.
  • Another object of the invention is to provide a device suitable for this purpose.
  • the procedural object of the invention is achieved if, in a method of the type mentioned, the atmosphere in the furnace is guided under lateral flow of the guided through the furnace long product in a cycle.
  • desired temperature range can be achieved over a short distance, and the furnace used can have a short length. This in turn implies that only a small volume of the furnace is to be heated. In addition, because the atmosphere is circulated, energy consumption is minimized. The lateral flow of the continuously guided long product also leads to long products to be treated with high quality. Overall, this results in an economically effective process, which also leads to a high quality of the treated long product.
  • Leitsch can be a targeted direction of flow of the atmosphere to the long product.
  • baffles are used as a guide for the lateral flow of the long product to direct the atmosphere as possible in the circulation and at the same time lateral flow of the long product.
  • the long product is flowed laterally with a large number of conductive agents above and below the long product guided through the furnace. It is expedient here for the long product to be flown in from above and below, in particular alternately at an angle of 45 ° to 135 °, preferably approximately perpendicularly.
  • provision can be made, in particular, for the atmosphere to be guided around the long product in a meandering loop. This makes it possible in a simple manner, in particular when baffles are provided as a guide means to achieve a desired lateral flow of the long product guided in a small space. Simultaneously, the
  • Meander-shaped loop to be integrated into the circuit or constitute a part thereof.
  • Long product can be made in one or more areas of the furnace, can be provided with advantage that the flow of the long product with above and below a transport path of the long product arranged adjusting means, in particular valves, is regulated.
  • the atmosphere is heated in a preheating to a first temperature and in a subsequent heating zone to a second temperature.
  • a targeted temperature setting for the purpose of loading the long product is possible. More importantly, this also means that part of the atmosphere between the preheating zone and the subsequent one
  • the discharged part of the atmosphere is then fed into a post-treatment unit following the oven.
  • the long product can be maintained in the post-treatment unit with the discharged part of the atmosphere in a predetermined temperature range.
  • Temperature range in the aftertreatment unit is then set essentially by heating in the preheating zone, which completely passes through the atmosphere.
  • the discharged part, with the temperature set in the preheating zone, is then fed to the aftertreatment unit.
  • the remaining part of the atmosphere is heated in the subsequent heating zone to a second temperature and then to the lateral flow or fed through the furnace
  • an amount of the discharged part of the atmosphere with a between the preheating zone and the subsequent heating zone arranged adjusting means is adjusted. This can be a ratio of the proportions of the furnace through the one hand and the
  • Atmosphere at the end of its own cycle is merged with a circulated in the furnace along the circuit part of the atmosphere.
  • the two sub-streams then in turn go to the preheating zone, after which, after heating to the first temperature again a splitting into partial streams for the first and the second, own cycle takes place.
  • a method according to the invention can be operated in countercurrent.
  • the atmosphere in the region of the long product is guided in the same direction as the long product. This results in a favorable temperature management, because the long product in the inlet is still at low temperature, but there the atmosphere has the highest temperature. This allows rapid heating of the long product.
  • the process is usually carried out so that the long product is continuously passed through the furnace.
  • the further object of the invention is achieved if, in a device of the type mentioned, the atmosphere in the furnace under lateral flow of the guided through the furnace long product in a cycle is feasible.
  • lateral flow in the oven this builds short and thus has a low volume. This in turn means that only a small volume with the atmosphere is kept at temperature. An energy expenditure is therefore minimized.
  • conducting means are provided with which the atmosphere can be guided to the long product. This can be achieved in a simple manner a desired lateral flow of the long product.
  • baffles are used as a guide for the lateral flow of the
  • the atmosphere can be particularly effective and in particular fluidically matched to the long product to be treated in the cycle.
  • the guide means are preferably oriented so that an angle of attack for the long product is 45 ° to 135 °, preferably about 90 °.
  • the transport path adjusting means for regulating the flow of the long product may be provided to vary the area around the elongated product around atmosphere gradually. It is particularly expedient that a preheating zone is provided for heating the atmosphere to a first temperature and a subsequent heating zone for heating the atmosphere to a second, higher temperature.
  • a preheating zone is provided for heating the atmosphere to a first temperature and a subsequent heating zone for heating the atmosphere to a second, higher temperature.
  • at least one heating device can be arranged in the preheating zone and in the heating zone.
  • Preheating and the heating zone to be arranged at least one adjusting means with which a part of the recirculated atmosphere is branched off, and a separate circuit is provided, in which the branched part of the atmosphere is feasible. This makes it possible to establish a second cycle, for example, for a
  • Aftertreatment unit in particular for acrisarmglühen be provided can.
  • the entire atmosphere can then be brought to a first temperature in the preheating zone.
  • This first temperature is decisive for the discharged part, which is led into the after-treatment unit.
  • the remaining part of the atmosphere passes through a second heater and is brought to a second, higher temperature, which is required in the furnace for lateral flow of the long product. Accordingly, can connect to the oven, a post-treatment unit and the discharged part of the atmosphere in a separate circuit through the
  • FIG. 1 shows a schematic representation of a device according to the invention in FIG.
  • Fig. 2 is a perspective view of a device according to FIG. 1.
  • Example 1
  • the device 1 comprises a furnace 2 and a post-treatment unit 13 arranged downstream of the furnace 2.
  • the oven 2 has an inlet 5 and an outlet 6. Through the inlet 5, which is provided with a plurality of flaps, a long product L along a transport path 9 can be introduced.
  • the long product L is usually a wire, in particular a metallic wire such as a steel wire.
  • other long products L such as rods, sheets or strips, in particular those made of a metallic material such as steel, can be guided along the transport path 9 or treated in the furnace 2.
  • the furnace 2 has the mentioned outlet 6, in the region of which the long product L, which is generally guided continuously through the furnace 2, is extended out of this again.
  • a plurality of movable in the direction of the transport path 9 flaps are provided, which on the one hand the Oven 2 in the region of the inlet 5 and the outlet 6 close largely gas-tight, on the other hand, but also allow a first retraction of the long product L with a slightly voluminous Einziehvorraum when the furnace 2 is initially charged with the long product L. If several parallel-guided long products L are provided, they are guided at a distance from one another through the furnace 2.
  • a circuit K1 is provided inside the furnace 2, in which an atmosphere 4 is circulated.
  • a fan 15 is provided, which sucks the atmosphere 4 and in an upper region of the circuit K1 initially to a heater 3 of a preheating zone 11 and subsequently promotes a heating zone 12.
  • the atmosphere 4 is preheated to a first temperature. As will be explained later, only part of the atmosphere 4 becomes one
  • the guide means 7 form a meandering loop 8, as can be seen in Fig. 1.
  • the guide means 7 can be formed in particular from baffles 71, 72, 73. In principle, it would be possible for the middle baffles 72, 73 between outer baffles 71 to be deleted without replacement, however, it has proved expedient to provide a plurality of intermediate baffles in order to achieve homogeneous flow of the long product L through the atmosphere 4.
  • the circuit K1 is widened and two intermediate baffles are provided.
  • an intermediate baffle is sufficient in each case to achieve a desired homogeneous flow of the
  • baffles 71, 72, 73 are arranged such that substantially an approximately perpendicular flow of the long product L through the
  • Atmosphere 4 results.
  • the long product L can be brought to the desired temperature particularly quickly, because the heat transfer is very effective and thus the furnace 2 can be built very short.
  • the vertical angle shown in Fig. 1 is set. Deviations from this, in particular in the angular range of 45 ° to 135 °, are possible.
  • a plurality of adjusting means 10 are provided, with which a fine adjustment of the atmosphere 4 can be achieved in each sector.
  • these adjusting means 10 are movably mounted, so that a retraction of the long product L when starting the system is possible.
  • the fan 15 connects, which in turn returns the atmosphere 4 to the preheating zone.
  • This circuit K2 leads to the aftertreatment unit 13, where the preheated, set on a with the heater 3 of the preheating zone 1 1 to a first temperature
  • Atmosphere 4 for stress relief annealing of the long product L is used.
  • After-treatment unit 13 may, but not necessarily, have several sections, in each of which portions of the atmosphere 4 are performed. It is also conceivable that in the post-treatment unit 13 additional heating devices. 3
  • the circuit K2 is designed so that the guided into the region of the long product L in the aftertreatment unit 13 atmosphere 4 is returned to the fan 15, so that ultimately from the two recycled partial streams of the atmosphere 4 from the circuit K1 and the circuit K2 turn the completely circulated
  • Atmosphere 4 results.
  • a long product L is passed through the furnace 2.
  • This process may in particular be a heat treatment for the purpose of diffusion, for example aftertreatment of a brass layer on a steel wire.
  • the long product L is guided through the furnace 2 and passes through the meandering loop 8, wherein in several successive areas in each case a lateral flow of the long product L takes place with the atmosphere 4 brought to a second temperature by the heating device 3 of the heating zone 12.
  • the lateral flow results in an effective heat transfer, the long product L is heated like a wire from the outside.
  • the desired diffusion conversion can take place in a short way.
  • the long product L After passing through the outlet 6, the long product L is fed into the aftertreatment unit 13, wherein the atmosphere circulated in the second circuit K2 4 ensures that the long product L is annealed stress-relieved.
  • Aftertreatment unit 13 coupled to the preheating zone 11 and the
  • Heating zone 12 and the distribution of the mass flows through the actuating means 14, the furnace 2 together with the post-treatment unit 13 to achieve a high quality of heat-treated long products L can be operated energetically effective.
  • the procedure according to Example 1 but with multiple bands are used as long products L.
  • the bands are arranged vertically, so that there is an optimal stacking or space utilization in the furnace 2. Vertical positioning, unlike horizontal banding, minimizes slack.
  • An obliquely inclined arrangement of the bands is possible in order to promote a circulation of the atmosphere around the bands and thus a heating of the same.
  • the bands are spaced apart so that the atmosphere can pass between the long products L.
  • Example 1 the procedure according to Example 1, but with multiple bands are used as long products L.
  • the meandering loop 8 is rotated by 90 °, so that a flow does not take place as in Example 1 substantially perpendicularly from above and below, but from left and right.
  • long products L can be treated in this arrangement as mentioned in particular tapes, although possible applications of this arrangement are not limited to tapes.

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)
  • Combustion & Propulsion (AREA)
  • Tunnel Furnaces (AREA)
  • Heat Treatment Of Strip Materials And Filament Materials (AREA)

Abstract

La présente invention concerne un procédé de traitement thermique de produits allongés (L), notamment de produits allongés métalliques (L) tels que des fils, des tôles ou analogues en acier, le produit allongé (L) transitant par un four (2) qui comprend au moins un dispositif de chauffage (3) destiné à réchauffer une atmosphère (4), ainsi qu'une entrée (5) et une sortie (6), le produit allongé (L) pouvant être introduit dans le four (2) en passant par l'entrée (5) et pouvant être retiré de celui-ci par la sortie (6), et le produits (L) étant chauffé par l'atmosphère (4) réchauffée au cours de son passage à travers le four (2). Selon l'invention, pour permettre un traitement thermique économique et efficace du produit allongé (L), l'atmosphère (4) suit à l'intérieur du four (2) une trajectoire circulaire (K1), le produit allongé (L) qui traverse le four (2) étant parcouru latéralement. L'invention concerne également un dispositif (1) de traitement thermique de produits allongés (L).
EP14726504.5A 2013-04-29 2014-04-29 Procédé et dispositif de traitement thermique de produits allongés Active EP2992116B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ATA50293/2013A AT513628B1 (de) 2013-04-29 2013-04-29 Verfahren und Vorrichtung zum Wärmebehandeln von Langprodukten
PCT/AT2014/050109 WO2014176620A2 (fr) 2013-04-29 2014-04-29 Procédé et dispositif de traitement thermique de produits allongés

Publications (2)

Publication Number Publication Date
EP2992116A2 true EP2992116A2 (fr) 2016-03-09
EP2992116B1 EP2992116B1 (fr) 2020-03-25

Family

ID=50828619

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14726504.5A Active EP2992116B1 (fr) 2013-04-29 2014-04-29 Procédé et dispositif de traitement thermique de produits allongés

Country Status (6)

Country Link
EP (1) EP2992116B1 (fr)
JP (1) JP6351126B2 (fr)
CN (1) CN105308192B (fr)
AT (1) AT513628B1 (fr)
CA (1) CA2910852A1 (fr)
WO (1) WO2014176620A2 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109099705A (zh) * 2018-09-27 2018-12-28 苏州新金相金属材料有限公司 一种连续火焰加热内胆结构、加热炉系统及加热炉机组

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US3183605A (en) * 1961-12-27 1965-05-18 Gen Electric Apparatus for coating metals
DE2637646B2 (de) * 1976-08-20 1978-08-10 Friedrich Wilhelm Dipl.- Ing. 5600 Wuppertal Elhaus Anwärmofen
DE3035032C1 (de) * 1980-09-17 1982-08-26 Stahlwerke Röchling-Burbach GmbH, 6620 Völklingen Verfahren zum Waermebehandeln von Drahtbunden und Durchlaufofen zur Durchfuehrung des Verfahrens
JPS5818955U (ja) * 1981-07-28 1983-02-05 関屋窯炉工業株式会社 急速鋼線材加熱炉
FR2522530B1 (fr) * 1982-03-03 1986-09-26 Air Ind Perfectionnements apportes aux installations de traitement d'un produit en milieu gazeux
DE3307071C2 (de) * 1983-03-01 1986-05-22 Joachim Dr.-Ing. 7250 Leonberg Wünning Durchlaufofen für die Wärmbehandlung von metallischen Werkstücken
IT210434Z2 (it) * 1987-01-30 1988-12-30 S I C M E S P C Societa Ind Co Forno per la cottura di manufatti filiformi
JPH0322267Y2 (fr) * 1987-04-03 1991-05-15
ATE178985T1 (de) * 1995-09-26 1999-04-15 Dea Tech Machinery S P A Emallierofen für fadenförmige materialen
JPH09241733A (ja) * 1996-03-11 1997-09-16 Furukawa Electric Co Ltd:The 燃焼ガス循環式光輝焼鈍装置
FR2821285B1 (fr) * 2001-02-23 2003-11-28 Saint Gobain Seva Dispositif de soufflage d'un fluide sur au moins une face d'un element mince, et unite de soufflage associe
FR2839084B1 (fr) * 2002-04-26 2004-07-16 Nexans Dispositif de revetement d'un fil conducteur
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Title
See references of WO2014176620A2 *

Also Published As

Publication number Publication date
JP6351126B2 (ja) 2018-07-04
WO2014176620A2 (fr) 2014-11-06
CN105308192B (zh) 2018-01-23
EP2992116B1 (fr) 2020-03-25
JP2016518524A (ja) 2016-06-23
AT513628B1 (de) 2014-06-15
WO2014176620A3 (fr) 2015-01-22
CN105308192A (zh) 2016-02-03
AT513628A4 (de) 2014-06-15
CA2910852A1 (fr) 2014-11-06

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