EP0171577A2 - Charging device for a heat treatment furnace - Google Patents
Charging device for a heat treatment furnace Download PDFInfo
- Publication number
- EP0171577A2 EP0171577A2 EP85108269A EP85108269A EP0171577A2 EP 0171577 A2 EP0171577 A2 EP 0171577A2 EP 85108269 A EP85108269 A EP 85108269A EP 85108269 A EP85108269 A EP 85108269A EP 0171577 A2 EP0171577 A2 EP 0171577A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- chain
- heat treatment
- charging
- treatment furnace
- supporting beam
- 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
- 238000010438 heat treatment Methods 0.000 title claims abstract description 22
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
Images
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
- F27B9/14—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 tunnel furnace
- F27B9/24—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 tunnel furnace being carried by a conveyor
- F27B9/243—Endless-strand conveyor
Definitions
- the invention relates to a loading device for transporting charging grates in heat treatment furnaces, consisting of one or more chain strands carrying the charging grids, running in guide rails and driven by chain wheels, which are composed of individual chain links provided with rollers.
- Heat treatment furnaces exist e.g. from a high temperature zone and a loading table. There may also be cooling and quenching zones, each separated by doors.
- Charging devices for charging such heat treatment furnaces are known in which the charging grates are moved through the treatment zones of the furnaces with chain strands running in guide rails and driven by chain wheels. The transport takes place with the help of cams and pawls on the chain strands, which engage in the charging grates.
- a generic loading device for heat treatment furnaces is known from DE-AS 1279706, in which the chain strands are composed of individual chain links provided with impellers and the charging grids are transported with the aid of cams.
- this device has the disadvantage that the charging grates cannot be moved directly into the furnace, but beforehand settled and then grinded over steel rails and / or furnace stones, which can considerably reduce the life of the grate.
- this object was achieved by that the guide rails extend into the heat treatment furnace, that on the end of the chain strands facing the heat treatment furnace are pivotably attached to the axes of the chain links, each on a length which corresponds approximately to the length of the charging grates, and at the end of which support beam segments are attached, and that at the end facing away from the heat treatment furnace of the chain links carrying the supporting beam segments, a support stop is attached to the chain strands immediately behind the last rocker arms and a holding cam is attached to the last supporting beam segment.
- a supporting beam segment is preferably carried by two or three chain links each. It can also be advantageous if the first and last support beam segments are provided with a roller at the outer end.
- the chain strands can be attached to the heat treatment furnace in a stationary manner.
- a charging trolley which also carries one or more front derailleurs, which can engage in single-lever rocker arms and are provided with a bracket that projects resiliently above the level of the supporting beam segments at the side of the supporting beam segments.
- This loading device has the advantage that the charging grates are lifted from the base and put down directly at the destination without being dragged over steel rails or furnace stones and thus have to be exposed to high tensile and bending stresses which severely impair the service life of these charging grates, in particular with high treatment temperatures.
- Figures I to III schematically show an exemplary embodiment of the loading device according to the invention, Figure I showing a plan view, Figure II a longitudinal section along a chain strand and Figure III a cross section through a chain strand according to line A-A.
- the loading device consists of two chain strands (1) which are guided in guide rails (14) and driven by chain wheels (8). These guide rails (14) are located both on the charging trolley (15) and in the working area of the heat treatment furnace (16) and are delimited by a fixed stop (12).
- the chain strands (1) are composed of the individual chain links (2), which are provided on both sides with rollers (9). Swiveling rocker arms (3) are attached to the axes (7) of the chain links (2), which support beam segments (4) wear.
- the outer supporting beam segments (4) are each provided with a roller (5), which can roll on fixed surfaces when lifting and lowering the supporting beam segments (4).
- the support beam segments (4) are dimensioned so that they form a continuous support beam in the erected as well as in the lowered state.
- a support stop (6) is fixedly connected to the chain strand (1) and sits on the end of the chain strand (1) facing away from the heat treatment furnace, directly behind the last rocker arms (3).
- a holding cam (17) is attached to the last supporting beam segment (4).
- One or more rocker arms (3) are provided with overturning lugs (10), in each of which a front derailleur (11) can engage, which can lower the supporting beam segments (4) raised by the support stop (6) by moving the rocker arms (3) to the other Be tipped over.
- These front derailleurs (11) are provided with a bracket (13) which projects laterally above the supporting beam segments (4). The result of this is that when the supporting beam segments (4) are loaded with a charging grate, the bracket (13) is pressed down and the front derailleur (11) cannot function.
- the support beam segments (4) erected by the support deflection (6) are tipped over when the front derailleur (11) is passed over by engaging in a corresponding knockout nose (10), so that they rest on the chain links (2) and are placed under the charging grate.
- the front support beam segment with the roller (5) approaches the fixed stop (12)
- the support beam segments (4) and thus the charging grate are raised and can thus be removed from the heat treatment furnace.
- the supporting stop (6) is rotated sprocket (8) in the vertical position, losing the T ragbalkensegmente (4) their support will therefore be lowered and set the charging floor on the charging trolley (15) from.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Tunnel Furnaces (AREA)
- Heat Treatments In General, Especially Conveying And Cooling (AREA)
- Muffle Furnaces And Rotary Kilns (AREA)
- Heat Treatment Of Strip Materials And Filament Materials (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
- Framework For Endless Conveyors (AREA)
- Furnace Charging Or Discharging (AREA)
- Furnace Details (AREA)
Abstract
Description
Die Erfindung betrifft eine Beschickungsvorrichtung zum Transport von Chargierrosten in Wärmebehandlungsöfen, bestehend aus einem oder mehreren, die Chargierroste tragenden, in Führungsschienen laufenden, von Kettenrädern angetriebenen Kettensträngen, die sich aus einzelnen, mit Laufrollen versehenen Kettengliedern zusammensetzen.The invention relates to a loading device for transporting charging grates in heat treatment furnaces, consisting of one or more chain strands carrying the charging grids, running in guide rails and driven by chain wheels, which are composed of individual chain links provided with rollers.
Wärmebehandlungsöfen bestehen z.B. aus einer Hochtemperaturzone und einem Beschickungstisch. Dazu können noch Abkühl- und Abschreckzonen kommen, die jeweils durch Türen voneinander getrennnt sind.Heat treatment furnaces exist e.g. from a high temperature zone and a loading table. There may also be cooling and quenching zones, each separated by doors.
Es sind Beschickungseinrichtungen zum Chargieren solcher Wärmebehandlungsöfen bekannt, bei denen die Chargierroste mit in Führungsschienen laufenden, von Kettenrädern angetriebenen Kettensträngen durch die Behandlungszonen der Öfen gefahren werden. Der Transport erfolgt dabei mit Hilfe von Nocken und Klinken auf den Kettensträngen, die in die Chargierroste eingreifen.Charging devices for charging such heat treatment furnaces are known in which the charging grates are moved through the treatment zones of the furnaces with chain strands running in guide rails and driven by chain wheels. The transport takes place with the help of cams and pawls on the chain strands, which engage in the charging grates.
Eine gattungsgemäße Beschickungsvorrichtung für Wärmebehandlungsöfen ist aus der DE-AS 1279706 bekannt, bei der sich die Kettenstränge aus einzelnen, mit Laufrädern versehenen Kettengliedern zusammensetzen und der Transport der Chargierroste mit Hilfe von Nocken erfolgt. Diese Vorrichtung hat jedoch den Nachteil, daß die Chargierroste nicht direkt in den Ofen gefahren werden können, sondern vorher abgesetzt und dann über Stahlschienen und/oder Ofensteine geschleift werden müssen, was die Rostlebensdauer beträchtlich einschränken kann.A generic loading device for heat treatment furnaces is known from DE-AS 1279706, in which the chain strands are composed of individual chain links provided with impellers and the charging grids are transported with the aid of cams. However, this device has the disadvantage that the charging grates cannot be moved directly into the furnace, but beforehand settled and then grinded over steel rails and / or furnace stones, which can considerably reduce the life of the grate.
Es war daher Aufgabe der vorliegenden Erfindung, eine Beschickungsvorrichtung zum Transport von Chargierrosten in Wärmebehandlungsöfen zu finden, bestehend aus einem oder mehreren, die Chargierroste tragenden, in Führungsschienen laufenden, von Kettenrädern angetriebenen Kettensträngen, die sich aus einzelnen, mit Laufrollen versehenen Kettengliedern zusammensetzen, die die Chargierroste direkt an ihrem Bestimmungsort absetzen und wieder aus dem Ofen entfernen-kann.It was therefore an object of the present invention to find a charging device for transporting charging grates in heat treatment furnaces, consisting of one or more chain strings carrying the charging grids, running in guide rails and driven by chain wheels and consisting of individual chain links provided with rollers place the charging grates directly at their destination and remove them from the oven.
Diese Aufgabe wurde erfindungsgemäß dadurch gelöst,
daß die Führungsschienen sich in den Wärmebehandlungsofen hinein erstrecken,
daß auf dem dem Wärmebehandlungsofen zugewandten Ende der Kettenstränge auf einer Länge, die etwa der Länge der Chargierroste entspricht, an den Achsen der Kettenglieder jeweils zwei nach oben weisende Kipphebel schwenkbar befestigt sind, an deren Ende Tragbalkensegmente angebracht sind,
und daß am dem Wärmebehandlungsofen abgewandten Ende der die Tragbalkensegmente tragenden Kettenglieder an den Kettensträngen unmittelbar hinter den letzten Kipphebeln jeweils ein Stützanschlag und auf dem letzten Tragbalkensegment jeweils eine Haltenocke befestigt sind.According to the invention, this object was achieved by
that the guide rails extend into the heat treatment furnace,
that on the end of the chain strands facing the heat treatment furnace are pivotably attached to the axes of the chain links, each on a length which corresponds approximately to the length of the charging grates, and at the end of which support beam segments are attached,
and that at the end facing away from the heat treatment furnace of the chain links carrying the supporting beam segments, a support stop is attached to the chain strands immediately behind the last rocker arms and a holding cam is attached to the last supporting beam segment.
Vorzugsweise wird ein Tragbalkensegment von jeweils zwei oder drei Kettengliedern getragen. Außerdem kann es von Vorteil sein, wenn das erste und letzte Tragbalkensegment am äußeren Ende mit einer Rolle versehen sind.A supporting beam segment is preferably carried by two or three chain links each. It can also be advantageous if the first and last support beam segments are provided with a roller at the outer end.
Die Kettenstränge können stationär am Wärmebehandlungsofen angebracht sein. Vorteilhafterweise werden sie jedoch auf einem Chargierwagen angebracht, der außerdem einen oder mehrere Umwerfer trägt, die in Umwerfnasen an einzelnen Kipphebeln eingreifen können und mit einem Bügel versehen sind, der federnd seitlich der Tragbalkensegmente das Niveau der Tragbalkensegmente nach oben überragt.The chain strands can be attached to the heat treatment furnace in a stationary manner. However, they are advantageously mounted on a charging trolley, which also carries one or more front derailleurs, which can engage in single-lever rocker arms and are provided with a bracket that projects resiliently above the level of the supporting beam segments at the side of the supporting beam segments.
Diese Beschickungsvorrichtung hat den Vorteil, daß die Chargierroste von der Unterlage abgehoben und am Bestimmungsort direkt abgesetzt werden, ohne daß sie über Stahlschienen oder Ofensteine geschleift werden und damit hohen Zug- und Biegespannungen ausgesetzt werden müssen, die die Lebensdauer dieser Chargierroste stark beeinträchtigen, insbesondere bei hohen Behandlungstemperaturen.This loading device has the advantage that the charging grates are lifted from the base and put down directly at the destination without being dragged over steel rails or furnace stones and thus have to be exposed to high tensile and bending stresses which severely impair the service life of these charging grates, in particular with high treatment temperatures.
Die Abbildungen I bis III zeigen schematisch eine beispielhafte Ausführungsform der erfindungsgemäßen Beschickungsvorrichtung, wobei Abbildung I eine Draufsicht, Abbildung II einen Längsschnitt entlang eines Kettenstranges und Abbildung III einen Querschnitt durch einen Kettenstrang gemäß Linie A-A wiedergibt.Figures I to III schematically show an exemplary embodiment of the loading device according to the invention, Figure I showing a plan view, Figure II a longitudinal section along a chain strand and Figure III a cross section through a chain strand according to line A-A.
Die Beschickungsvorrichtung besteht aus zwei Kettensträngen (1), die in Führungsschienen (14) geführt und mittels Kettenräder (8) angetrieben werden. Diese Führungsschienen (14) befinden sich sowohl auf dem Chargierwagen (15) als auch im Arbeitsbereich des Wärmebehandlungsofens (16) und werden durch einen Festanschlag (12) begrenzt. Die Kettenstränge (1) setzen sich aus den einzelnen Kettengliedern (2) zusammen, die beiderseits mit Laufrollen (9) versehen sind. An den Achsen (7) der Kettenglieder (2) sind schwenkbare Kipphebel (3) befestigt, welche Tragbalkensegmente (4) tragen. Die äußeren Tragbalkensegmente (4) sind jeweils mit einer Rolle (5) versehen, die beim Heben und Senken der Tragbalkensegmente (4) an feststehenden Flächen abrollen können. Die Tragbalkensegmente (4) sind so bemessen, daß sie im aufgerichteten als auch im abgesenkten Zustand einen durchgehenden Tragbalken bilden.The loading device consists of two chain strands (1) which are guided in guide rails (14) and driven by chain wheels (8). These guide rails (14) are located both on the charging trolley (15) and in the working area of the heat treatment furnace (16) and are delimited by a fixed stop (12). The chain strands (1) are composed of the individual chain links (2), which are provided on both sides with rollers (9). Swiveling rocker arms (3) are attached to the axes (7) of the chain links (2), which support beam segments (4) wear. The outer supporting beam segments (4) are each provided with a roller (5), which can roll on fixed surfaces when lifting and lowering the supporting beam segments (4). The support beam segments (4) are dimensioned so that they form a continuous support beam in the erected as well as in the lowered state.
Mit dem Kettenstrang (1) fest verbunden ist ein Stützanschlag ,(6), der auf dem dem Wärmebehandlungsofen abgewandten Ende des Kettenstrangs (1) unmittelbar hinter den letzten Kipphebeln (3) sitzt. Außerdem ist auf dem letzten Tragbalkensegment (4) eine Haltenocke (17) befestigt.A support stop (6) is fixedly connected to the chain strand (1) and sits on the end of the chain strand (1) facing away from the heat treatment furnace, directly behind the last rocker arms (3). In addition, a holding cam (17) is attached to the last supporting beam segment (4).
Ein oder mehrere Kipphebel (3) sind mit Umwerfnasen (10) versehen, in die jeweils ein Umwerfer (11) eingreifen kann, der die durch den Stützanschlag (6) aufgerichteten Tragbalkensegmente (4) absenken kann, indem die Kipphebel (3) zur anderen Seite hin umgekippt werden. Diese Umwerfer (11) sind mit einem Bügel (13) versehen, der seitlich der Tragbalkensegmente (4) diese nach oben überragt. Das hat zur Folge, daß bei Beladung der Tragbalkensegmente (4) mit einem Chargierrost der Bügel (13) heruntergedrückt wird und der Umwerfer (11) nicht in Funktion treten kann.One or more rocker arms (3) are provided with overturning lugs (10), in each of which a front derailleur (11) can engage, which can lower the supporting beam segments (4) raised by the support stop (6) by moving the rocker arms (3) to the other Be tipped over. These front derailleurs (11) are provided with a bracket (13) which projects laterally above the supporting beam segments (4). The result of this is that when the supporting beam segments (4) are loaded with a charging grate, the bracket (13) is pressed down and the front derailleur (11) cannot function.
Anhand der Abbildungen wird im folgenden die Arbeitsweise der Beschickungsvorrichtung erläutert:The mode of operation of the loading device is explained below using the figures:
Beim Einfahren eines Chargierrostes in den Wärmebehandlungsofen (16) steht dieser auf dem Chargierwagen (15). Über das Kettenrad (8) wird der Kettenstrang (1) unter den Chargierrost geführt, wobei die Tragbalkensegmente (4) auf den Kettengliedern (2) aufliegen. Sowie der Stützanschlag (6) das Kettenrad (8) passiert hat und dieser Kettenstrangteil dadurch von einer vertikalen Lage in eine horizontale überführt wird, drückt der Stützanschlag (6) gegen die Kipphebel (3) und bewirkt somit ein Anheben der Tragbalkensegmente (4) und damit auch des Chargierrostes. Dieser wird in den Wärmebehandlungsofen (16) eingefahren und dort abgesetzt. Das geschieht mittels der Haltenocke (17), die in eine entsprechende Vorrichtung an der Ofentür einrastet und beim Zurückfahren des Kettenstranges (1) die Tragbalkensegmente (4) abkippt, sodaß sie wieder auf den Kettengliedern (2) aufliegen.When a charging grate is moved into the heat treatment furnace (16), it stands on the charging trolley (15). The chain strand (1) is guided under the charging grate via the chain wheel (8), the supporting beam segments (4) resting on the chain links (2). As well as the support stop (6) has passed the sprocket (8) and this chain strand part thereby from a vertical position to a horizontal is transferred, the support stop (6) presses against the rocker arm (3) and thus causes the support beam segments (4) and thus the charging grate to be lifted. This is moved into the heat treatment furnace (16) and deposited there. This is done by means of the holding cam (17), which engages in a corresponding device on the oven door and tilts the supporting beam segments (4) when the chain strand (1) is retracted, so that they rest on the chain links (2) again.
Beim Herausfahren des Chargierrostes aus dem Wärmebehandlungsofen (16) werden die durch den Stützausschläg (6) aufgerichteten Tragbalkensegmente (4) beim Überfahren des Umwerfers (11) durch Eingriff in eine entsprechende Umwerfnase (10) umgekippt, liegen damit auf den Kettengliedern (2) auf und werden unter den Chargierrost gebracht. Beim Anfahren des vorderen Tragbalkensegments mit der Rolle (5) an den Festanschlag (12) werden die Tragbalkensegmente (4) und damit der Chargierrost angehoben und können so aus dem Wärmebehandlungsofen entfernt werden. Sowie der Stützanschlag (6) im Kettenrad (8) in die vertikale Lage gedreht wird, verlieren die Tragbalkensegmente (4) ihre Stütze, werden daher abgesenkt und setzen den Chargierrost auf dem Chargierwagen (15) ab.When the charging grate is moved out of the heat treatment furnace (16), the support beam segments (4) erected by the support deflection (6) are tipped over when the front derailleur (11) is passed over by engaging in a corresponding knockout nose (10), so that they rest on the chain links (2) and are placed under the charging grate. When the front support beam segment with the roller (5) approaches the fixed stop (12), the support beam segments (4) and thus the charging grate are raised and can thus be removed from the heat treatment furnace. And the supporting stop (6) is rotated sprocket (8) in the vertical position, losing the T ragbalkensegmente (4) their support will therefore be lowered and set the charging floor on the charging trolley (15) from.
Claims (4)
daß die Führungsschienen (14) sich in den Wärmebehand- lungsofen (16) hineinerstrecken,
daß auf den dem dem Wärmebehandlungsofen (16) zugewandten Ende der Kettenstränge (1) auf einer Länge, die etwa der Länge der Chargierroste entspricht, an den Achsen (7) der Kettenglieder (2) jeweils zwei nach oben weisende Kipphebel (3) schwenkbar befestigt sind, an deren anderen Ende Tragbalkensegmente (4) angebracht sind,
und daß an dem Wärmebehandlungsofen (16) abgewandten Ende der die Tragbalkensegmente (4) tragenden Kettenglieder (2) an den Kettensträngen (1) unmittelbar hinter den letzten Kipphebeln (3) jeweils ein Stützanschlag (6) und auf dem letzten Tragbalkensegment (4) jeweils eine Haltenocke (17) befestigt sind.1. Loading device for the transport of charging grates in heat treatment furnaces, consisting of one or more chain strands carrying the charging grids, running in guide rails and driven by chain wheels, which are composed of individual chain links provided with rollers, characterized in that
that the guide rails (14) extend into the heat treatment furnace (16),
that on the end of the heat treatment furnace (16) facing the chain strands (1) over a length that corresponds approximately to the length of the charging grates, on the axes (7) of the chain links (2) each have two rocker arms (3) pointing upwards at the other end of which support beam segments (4) are attached,
and that at the end of the heat treatment furnace (16) facing away from the chain links (4) carrying chain links (2) on the chain strands (1) immediately behind the last rocker arms (3) each have a support stop (6) and on the last beam segment (4) each a holding cam (17) are attached.
daß jeweils zwei oder drei Kettenglieder (2) ein Tragbalkensegment (4) tragen.2. Feeding device according to claim 1, characterized in that
that two or three chain links (2) each carry a supporting beam segment (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT85108269T ATE56532T1 (en) | 1984-08-16 | 1985-07-04 | LOADING DEVICE FOR HEAT TREATMENT FURNACES. |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3430118 | 1984-08-16 | ||
| DE3430118A DE3430118C1 (en) | 1984-08-16 | 1984-08-16 | Loading device for heat treatment furnaces |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP0171577A2 true EP0171577A2 (en) | 1986-02-19 |
| EP0171577A3 EP0171577A3 (en) | 1988-08-31 |
| EP0171577B1 EP0171577B1 (en) | 1990-09-12 |
Family
ID=6243176
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP85108269A Expired - Lifetime EP0171577B1 (en) | 1984-08-16 | 1985-07-04 | Charging device for a heat treatment furnace |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US4601660A (en) |
| EP (1) | EP0171577B1 (en) |
| JP (1) | JPS6159179A (en) |
| AT (1) | ATE56532T1 (en) |
| BR (1) | BR8503853A (en) |
| CS (1) | CS276714B6 (en) |
| DE (2) | DE3430118C1 (en) |
| PL (1) | PL142090B1 (en) |
| SU (1) | SU1424743A3 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2611878A1 (en) * | 1987-02-26 | 1988-09-09 | Thumelin Daniel | Device for the treatment of residual oil-drilling mud |
| EP0352390A1 (en) * | 1988-07-29 | 1990-01-31 | Compagnie Europeenne Specialisee Dans Les Traitements Antipollution Revalorisant | Apparatus for the treatment of industrial sludge |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5104314A (en) * | 1990-09-24 | 1992-04-14 | Amore Leonard M | Refractory hearth furnace floor arrangement for retaining an alloy chain and pusher assembly |
| DE4132197A1 (en) * | 1991-07-08 | 1993-01-14 | Aichelin Gmbh | METHOD AND DEVICE FOR HEAT TREATMENT OF WORKPIECES |
| CN102955443B (en) * | 2011-08-30 | 2015-07-22 | 沈阳铝镁设计研究院有限公司 | Interlocking system and interlocking control method of anode transport vehicle and roasting crown block |
| CN102767962B (en) * | 2012-07-24 | 2014-04-02 | 苏州汇科机电设备有限公司 | Full-automatic feeder for furnace |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1095304B (en) * | 1956-06-21 | 1960-12-22 | Harold Norregaard Ipsen | Transfer device on a treatment device, in particular on a heat treatment furnace for metallic materials |
| GB1175786A (en) * | 1968-07-16 | 1969-12-23 | Herbert Knaust | Improvements in or relating to Conveyors |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1801349A (en) * | 1927-10-06 | 1931-04-21 | Walter H Holt | Metal transfer and heating mechanism |
| DE1020358B (en) * | 1954-09-17 | 1957-12-05 | Asea Ab | Transport chain for tunnel ovens |
| DE1279706B (en) * | 1965-09-25 | 1968-10-10 | Degussa | Loading device for heat treatment furnaces |
| DE2359160A1 (en) * | 1973-11-28 | 1975-06-12 | Koppers Wistra Ofenbau Gmbh | TRANSPORT EQUIPMENT FOR METALLIC WORKPIECES THROUGH HEATERS OR COOLING DEVICES |
-
1984
- 1984-08-16 DE DE3430118A patent/DE3430118C1/en not_active Expired
-
1985
- 1985-06-18 US US06/746,052 patent/US4601660A/en not_active Expired - Fee Related
- 1985-06-25 PL PL1985254158A patent/PL142090B1/en unknown
- 1985-07-04 DE DE8585108269T patent/DE3579646D1/en not_active Expired - Lifetime
- 1985-07-04 EP EP85108269A patent/EP0171577B1/en not_active Expired - Lifetime
- 1985-07-04 AT AT85108269T patent/ATE56532T1/en not_active IP Right Cessation
- 1985-08-07 SU SU853935003A patent/SU1424743A3/en active
- 1985-08-14 BR BR8503853A patent/BR8503853A/en not_active IP Right Cessation
- 1985-08-15 CS CS855925A patent/CS276714B6/en unknown
- 1985-08-16 JP JP60179554A patent/JPS6159179A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1095304B (en) * | 1956-06-21 | 1960-12-22 | Harold Norregaard Ipsen | Transfer device on a treatment device, in particular on a heat treatment furnace for metallic materials |
| GB1175786A (en) * | 1968-07-16 | 1969-12-23 | Herbert Knaust | Improvements in or relating to Conveyors |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2611878A1 (en) * | 1987-02-26 | 1988-09-09 | Thumelin Daniel | Device for the treatment of residual oil-drilling mud |
| EP0352390A1 (en) * | 1988-07-29 | 1990-01-31 | Compagnie Europeenne Specialisee Dans Les Traitements Antipollution Revalorisant | Apparatus for the treatment of industrial sludge |
Also Published As
| Publication number | Publication date |
|---|---|
| PL254158A1 (en) | 1986-05-20 |
| DE3430118C1 (en) | 1986-01-09 |
| JPS6159179A (en) | 1986-03-26 |
| CS592585A3 (en) | 1992-03-18 |
| EP0171577A3 (en) | 1988-08-31 |
| PL142090B1 (en) | 1987-09-30 |
| US4601660A (en) | 1986-07-22 |
| BR8503853A (en) | 1986-05-27 |
| SU1424743A3 (en) | 1988-09-15 |
| CS276714B6 (en) | 1992-08-12 |
| DE3579646D1 (en) | 1990-10-18 |
| EP0171577B1 (en) | 1990-09-12 |
| ATE56532T1 (en) | 1990-09-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE2605668B2 (en) | Continuous furnace for heating glass panes | |
| EP2613995B2 (en) | Surface treatment plant for motor vehicle bodies | |
| DE2605303B2 (en) | Continuous furnace for heating glass panes | |
| DE3032559A1 (en) | MOVABLE BAND CONVEYOR, IN PARTICULAR PLATE BAND CONVEYOR FOR CRUSHING PLANTS | |
| DE102011103729A1 (en) | Device for conveying objects | |
| DE3020451A1 (en) | DEVICE FOR TEMPERING GLASS | |
| DE2353215A1 (en) | DEVICE AND METHOD FOR TREATMENT OF METAL SLABS | |
| DE102008036949B4 (en) | Apparatus for changing rolls of tape on preferably open conveyor belts | |
| DE2924126A1 (en) | PLANT FOR MATERIAL TRANSPORT IN A PRODUCTION LINE | |
| DE2855982C2 (en) | ||
| DE2502392A1 (en) | EQUIPMENT AND PROCEDURE FOR TREATMENT OF METAL SLABS | |
| EP0171577B1 (en) | Charging device for a heat treatment furnace | |
| WO2004098814A1 (en) | Twin roll casting plant | |
| DE1533438B2 (en) | Device for transferring and further conveying finished copper cathode sheet metal units for electrolytic copper refining in a magazine | |
| DE69101420T2 (en) | Device for orienting glass panes during their transport on a roller transporter. | |
| DE69706796T2 (en) | Supporting and swinging device for the stove of an electric oven | |
| DE3448040A1 (en) | Automatic sawing machine | |
| DE2822916A1 (en) | PROCEDURE FOR HANDLING PERMANENT CASTING FORMS AND ARRANGEMENT FOR PERFORMING THIS PROCEDURE | |
| EP1621840B1 (en) | Continuous heat treatment furnace | |
| DE2446707B2 (en) | FOERDERER, IN PARTICULAR FOR HOP PICKING MACHINES | |
| AT409670B (en) | LIFTING BAR CONVEYOR FOR A CONTINUOUS HOLDER FOR HEATING ALUMINUM BARS | |
| EP0429487B1 (en) | Device for cleaning conveying channels with a refractory coating | |
| DE60012136T2 (en) | Entry machine for glass objects | |
| CH382624A (en) | Device for transferring shaped bodies while rotating them | |
| DE4407211A1 (en) | Transport installation for car parking platforms |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
| 17P | Request for examination filed |
Effective date: 19850704 |
|
| AK | Designated contracting states |
Designated state(s): AT BE CH DE FR GB IT LI LU NL SE |
|
| PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
|
| AK | Designated contracting states |
Kind code of ref document: A3 Designated state(s): AT BE CH DE FR GB IT LI LU NL SE |
|
| 17Q | First examination report despatched |
Effective date: 19900117 |
|
| GRAA | (expected) grant |
Free format text: ORIGINAL CODE: 0009210 |
|
| AK | Designated contracting states |
Kind code of ref document: B1 Designated state(s): AT BE CH DE FR GB IT LI LU NL SE |
|
| REF | Corresponds to: |
Ref document number: 56532 Country of ref document: AT Date of ref document: 19900915 Kind code of ref document: T |
|
| ITF | It: translation for a ep patent filed | ||
| ET | Fr: translation filed | ||
| REF | Corresponds to: |
Ref document number: 3579646 Country of ref document: DE Date of ref document: 19901018 |
|
| GBT | Gb: translation of ep patent filed (gb section 77(6)(a)/1977) | ||
| PLBE | No opposition filed within time limit |
Free format text: ORIGINAL CODE: 0009261 |
|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT |
|
| 26N | No opposition filed | ||
| ITTA | It: last paid annual fee | ||
| PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: SE Payment date: 19940617 Year of fee payment: 10 |
|
| PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: GB Payment date: 19940624 Year of fee payment: 10 |
|
| PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: BE Payment date: 19940627 Year of fee payment: 10 |
|
| PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: LU Payment date: 19940630 Year of fee payment: 10 |
|
| PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: AT Payment date: 19940711 Year of fee payment: 10 |
|
| PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: CH Payment date: 19940712 Year of fee payment: 10 |
|
| EPTA | Lu: last paid annual fee | ||
| PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: FR Payment date: 19940729 Year of fee payment: 10 |
|
| PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: NL Payment date: 19940731 Year of fee payment: 10 |
|
| EAL | Se: european patent in force in sweden |
Ref document number: 85108269.3 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: LU Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 19950704 Ref country code: GB Effective date: 19950704 Ref country code: AT Effective date: 19950704 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: SE Effective date: 19950705 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: LI Effective date: 19950731 Ref country code: CH Effective date: 19950731 Ref country code: BE Effective date: 19950731 |
|
| BERE | Be: lapsed |
Owner name: DEGUSSA A.G. Effective date: 19950731 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: NL Effective date: 19960201 |
|
| GBPC | Gb: european patent ceased through non-payment of renewal fee |
Effective date: 19950704 |
|
| REG | Reference to a national code |
Ref country code: CH Ref legal event code: PL |
|
| NLV4 | Nl: lapsed or anulled due to non-payment of the annual fee |
Effective date: 19960201 |
|
| EUG | Se: european patent has lapsed |
Ref document number: 85108269.3 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: FR Effective date: 19960430 |
|
| REG | Reference to a national code |
Ref country code: FR Ref legal event code: ST |
|
| REG | Reference to a national code |
Ref country code: FR Ref legal event code: ST |
|
| REG | Reference to a national code |
Ref country code: FR Ref legal event code: ST |
|
| PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: DE Payment date: 19970620 Year of fee payment: 13 |
|
| PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: DE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 19990501 |