CA1196171A - Casting installation with a plurality of melt vessels - Google Patents
Casting installation with a plurality of melt vesselsInfo
- Publication number
- CA1196171A CA1196171A CA000414051A CA414051A CA1196171A CA 1196171 A CA1196171 A CA 1196171A CA 000414051 A CA000414051 A CA 000414051A CA 414051 A CA414051 A CA 414051A CA 1196171 A CA1196171 A CA 1196171A
- Authority
- CA
- Canada
- Prior art keywords
- casting
- drive unit
- installation
- rotary
- reduction gear
- 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
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
- B22D41/14—Closures
- B22D41/22—Closures sliding-gate type, i.e. having a fixed plate and a movable plate in sliding contact with each other for selective registry of their openings
- B22D41/24—Closures sliding-gate type, i.e. having a fixed plate and a movable plate in sliding contact with each other for selective registry of their openings characterised by a rectilinearly movable plate
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
Abstract
ABSTRACT
A casting installation includes a plurality of melt vessels, such as steel melt ladles, each of which is selectively movable to a casting station and includes a sliding gate valve connected to a reduction gear. Each reduction gear is connected on its input side to a first rotary coupling member and the installation further includes a single rotary drive unit connected to an extensible universal-jointed shaft which in turn is connected to a second rotary coupling member. The coupling member is readily releasably securable to any one of the coupling members and thus the single motor operates all the sliding gate valves one after the other.
A casting installation includes a plurality of melt vessels, such as steel melt ladles, each of which is selectively movable to a casting station and includes a sliding gate valve connected to a reduction gear. Each reduction gear is connected on its input side to a first rotary coupling member and the installation further includes a single rotary drive unit connected to an extensible universal-jointed shaft which in turn is connected to a second rotary coupling member. The coupling member is readily releasably securable to any one of the coupling members and thus the single motor operates all the sliding gate valves one after the other.
Description
1~ .
- The invention relates.to a casting installation of the type including a plurality OI melt vessels, each of which is selectively movable to a casting ~ - station and includes a sliding gate valve and is ! 5~ concerned with the operation of the said slidlng I gate valves.
In installations of this type it is conventional to provide an individual drive motor and a reduction gear for each sliding gate valve and to mount it ; 10~ fixedly on the melt vessel as the gate valve itself This ~in contrast to actuation of the gate valve by means of a xemovable hydraulic cylinder) is I considered to be necessary in order to ensure an . unimpeded mechanical force transmission between the motor and thegate valve via the gear membersO
However, in comparison to hydraulic actuation, this requires a considerably increased expense and the relatively deli.cate motor is always subject to very demanding operating conditions, not only at 20.. the casting station but also during transport of the melt vessel which may be a steel casting ladle or an intermediate vessel of a continuous casting illS tallation~
It is the primary object of the present invention to provi.de a more economical means for actuating the sliding gate valves on the melt vessels of a casting installation.
According to the present invention -there is provided a casting installati~n including a plurality ` 30~ of melt vessels each of which is selectively movable .~, ~
- The invention relates.to a casting installation of the type including a plurality OI melt vessels, each of which is selectively movable to a casting ~ - station and includes a sliding gate valve and is ! 5~ concerned with the operation of the said slidlng I gate valves.
In installations of this type it is conventional to provide an individual drive motor and a reduction gear for each sliding gate valve and to mount it ; 10~ fixedly on the melt vessel as the gate valve itself This ~in contrast to actuation of the gate valve by means of a xemovable hydraulic cylinder) is I considered to be necessary in order to ensure an . unimpeded mechanical force transmission between the motor and thegate valve via the gear membersO
However, in comparison to hydraulic actuation, this requires a considerably increased expense and the relatively deli.cate motor is always subject to very demanding operating conditions, not only at 20.. the casting station but also during transport of the melt vessel which may be a steel casting ladle or an intermediate vessel of a continuous casting illS tallation~
It is the primary object of the present invention to provi.de a more economical means for actuating the sliding gate valves on the melt vessels of a casting installation.
According to the present invention -there is provided a casting installati~n including a plurality ` 30~ of melt vessels each of which is selectively movable .~, ~
2~
to a casting station and includes a sliding gate val~e connected to a reduc-tion gear, each reduction gear being connected on its input side to a first rotary coupling member, the installation further 5. including a single rotary drive unit connected to an extensible universal-jointed sha~t and a second rotary coupling member which is readily releasably securable to any one of the first rotary coupling members .
10. In the installation .in accordance with the invention, the single drive unit present at the ~ casting station can actuate the sliding ga-te valve 6 of as ~.any melt vessels as is required one a~ter s the other. ~navoidable differences in positioning 15. and in the dimensions of the individual vessels are compensated for by the universal-jointed extensible sha~t and the latter together with the second rotary coupling member have only a small ' torque to transfer to the drive side of the `~ 2G. speed reduction gear This ensures that the reaction forces ~etween the drive unit and the vessel, which is generally freely suspended, also remain small.
In one embodiment of the invention the rotary drive unit is fixedly mounted at the casting station.
25~ It can then be accommodated at a protected position and the ener~y supply, e.g. an electrical or hydraulic lead, can also be permanently installed.
In this manner maintenance is simpllfied and ; operational security increased~ Alternatively, when ~ 30. the installation includes a plurality of casting
to a casting station and includes a sliding gate val~e connected to a reduc-tion gear, each reduction gear being connected on its input side to a first rotary coupling member, the installation further 5. including a single rotary drive unit connected to an extensible universal-jointed sha~t and a second rotary coupling member which is readily releasably securable to any one of the first rotary coupling members .
10. In the installation .in accordance with the invention, the single drive unit present at the ~ casting station can actuate the sliding ga-te valve 6 of as ~.any melt vessels as is required one a~ter s the other. ~navoidable differences in positioning 15. and in the dimensions of the individual vessels are compensated for by the universal-jointed extensible sha~t and the latter together with the second rotary coupling member have only a small ' torque to transfer to the drive side of the `~ 2G. speed reduction gear This ensures that the reaction forces ~etween the drive unit and the vessel, which is generally freely suspended, also remain small.
In one embodiment of the invention the rotary drive unit is fixedly mounted at the casting station.
25~ It can then be accommodated at a protected position and the ener~y supply, e.g. an electrical or hydraulic lead, can also be permanently installed.
In this manner maintenance is simpllfied and ; operational security increased~ Alternatively, when ~ 30. the installation includes a plurality of casting
3, - - ladles which are to be moved into different casting positions whilst suspended from a crane, e.g. when ingot casting the rotary drive unit may be readily releasably securable to any one of the melt 5. vessels when in the casting position so as to be supported thereby. In addition to a main motor, the drive unit preferably also includes a standby or emergency motor. The reduction gear mounted on each melt vessel must not of necessity be constructed 10. to effect the entire speed reduction, and thus a speed reduction gear which effects part of the speed reduction between the drive unit and the sliding gate valve can be provided on the rotary drive unit.
15. The invention i5 applicable to all motor driven types of slidiny gate valve, that is to say particularly rotary sliding gate valves but also pivotal sliding gate valves and, with an appropriate construction of the reduction gear, linear sliding 20. gate valves. In this connection it is also possible that different types of gate valve variously "
connected to the melt vessels of the installa-tion may be operated by one and the same drive unit.
Three specific embodiments of the invention 25. will now be described in more detail with reference `~ to the accompanying diagran~latic drawings, in which:-Figure l is a side view of the casting station, ~ of e.g. a continuous casting installation with `` a drive unit ~ixedly mounted on a ladle truck;
30. Figure 2 is a perspective view of a construction 7~
.
with a drive unit connected to a casting ladle; and Figure 3 is a detailed scrap underplan view of the connection between a universal-jointed shaEt and a reduction gear in conjunction with.a linear 5. sliding gate val~e.
Figure 1 shows a casting truck 1 situated at the casting station of a casting installation and .supporting one casting ladle 2 of a plural.ity of such ladles supported on the truck in a known manner by 10, means of side bars 3, .Beneath the casting ladle there is an intermediate vessel 5 (tundish), into which the melt is discharged fxom the ladle 2 A sliding gate valve 10~ in this case a rotary . sliding gate valve, is mounted on the base of the I 15. ladle to regulate the melt discharge, and a `, reduction gear ll.is also mounted on the ladle 2 i to actuate the valve 10.
At a suitable position on the casting station, in this case on a cantilever 4 projecting from , 20. the casting truck 1, a rotary drive unit generally designated 20 is.fixedly mounted. This includes a drive motor 21 and a telescopically extensible ` universal-jointed shaft 22 which is provided at its end with a rapid coupling 24. The gear 11 25, has a stub shaft 12 on its input side for rotary . connection with the rapid coupling 24.
The rotary drive unit 20 with the telescopic universal-jointed shaft 22 and rapid coupling 24 are thus part of the casting station equipment, 30. whilst each casting ladle 2 intended at some time to be moved to this casting station is provided .
~ ~ ~
- ~.9~7~
5, - with a sliding gate valve 10 and an associated reduction gear 11. The drive connection between~the motor 21 and the sliding gate valve 10 on the casting ladle at the casting station is effected by plug connecting 5. the rapid coupling 24 to the stub shaft 12, and when casting is finished the drive connection is separated again in a similar manner. The universal-jointed shaft and the rapid coupling are of a construct-ion known per se and can be constructed relatively 10, lightly because only a relatively small torque is to be transmitted to the input side of the reduction gear. By virtue of the extensible universal-jointed shaft, the precixe positioning of the casting ladle 2 on the ladle truck 1 with respect to the casting 15, station is not critical. With this construction the motor 21 can easily be accommodated at a protected position where it is much less subject to heat radiation. In this manner the expense of malntenance is considerably reduced and the operational security 20. increased. In addition to the main motor 21 an emergency or standby motor 21' can, as shown, be pxovided, e.g. an electric motor as main motor ;~ can be combined with a hydraulic motor as emexgency motor.
25. If the intermediate vessel 5 is also provided with a bottom gate valve for the regulation of the discharge, the same drive arrangement can in principle also be provided for this valve. A
` bottom gate valve 10' with a reduction gear 11l and 30. a rotary coupling portion 12' on the input side are `
6, shown in Figure 1 in chain dotted lines on the intermediate vessel 5. The associated.rotary drive unit (not shown), which is part of the equipment of the casting station, can then be 5. mounted, for instance fixedly or on the tundish truck. The production and release of the drive connection between the drive unit and the reduction gear 11' when exchanging the intermediate vessel occurs in the same manner as described above in 10, conjunction with.the casting ladle 2 by means of the rotary coupling portion 12' and the associated rapid coupling.
A fixed arrangement of the drive unit at the casting station is possible i the melt vessels 15. always adopt substantially the same casting position.
If~ on the other.hand, as is common when casting into ingot moulds, casting ladles are moved successively into different casting positions-! whilst supported on the casting crane, an arrangement 20. as shown in Figure 2 is appropriate. The rotary drive unit generally designated 30 is connected in ; an easily releasable manner to a casting ladle 2 of several such ladles by plug connecting it to appropriate side bars on the ladle shell by means . 25. of pintles 35 by using an auxiliary crane to engage the eyes 34. The casting ladle 2 shown in the casting position over an ingot mould 6 is again equipped with a bottom gate valve 10, e.g. a rotary gate valve~
; and an associated reduction gear 13. The rotary 30. drive unit 30 includes a motor 31 mounted on a ~ ~.g ~171 7.
~ support 33 and an extensible universal-jointed - shaft 22 provided with a rapid coupling 240 When the unit 30 is secured to the ladle 2 the rapid coupling 24 can be easily coupled to and uncoupl-ed 5~ from the stub shaft 14 of the gear 13 As shown in Figure 2, a partial speed reduction can be provided between the motor 31 and the shaft 22, as here in the form of a spur gear 32, so that the gear 13 on the ladle thus does not perform the 10. entire rotary speed reduction. Of importance is that the torque transmitted between the coupling members 24 and 14 is still relatively small, compared to the torque necessary at the gate valve 10, whereby the reaction forces which load the releasible 15. connection between the drive unit and the casting ladle, i.e. the plug connection 35,also remain small.
j When the ladle 2 is empty, the drive unit 30 is disconnected from it and connected to a fresh ladle and casting continues.
` 20. Figure 3 is a scrap view on a larger scale of an embodiment of the invention incorporating a linear sliding gate valve; the components forming part of the equipment of the melt vessel but only the end of the extensible universal-jointed shaft 22 25. with its universal joint 23 and plug coupling 24 of the drive unit associated with the casting station are illustrated. The schematically illustrating sliding gate ~alve 1~" is secured to the base of the ca~ting ladle 2. The associated speed reduction 30. gear 15 includes a threaded spindle 18 of which one .~
r ~` ~ 6~L7~L
end is splined and.radially and axially located in a bearing 17, The other end of the spindle 18 is in engagement with a threaded.hollow bush 19 which is connected to the.slider of the gate valve 10"
5. and moves.the latter linearly when the threaded splndle 18 is rotated, A coupling box 24 on the universal joint 23 is plug connected to the shaft end 16 in a manner known per se and secured, e,g~
by means of a tangential pin and thereby constitutes l~. a releasible rotary drive connection, Thus this embodiment also permits the actuation of the bottom gate valve of a plurality of melt vessels when in the casting position by means of a single drive motor associated with the casting station. It is l5. thus not necessary to equip each vessel with a motor, such as an electric motor, and furthermore the relatively delicate motor at the casting station can be accommodated at a position in which it is substantially better protected than it would be on the 20, casting vessel itself, By virtue of the extensible universal-jointed shaft, which in the instal.lations described above effects the connection between the casting station equipment and the respective melt vessel, a precise 25. positioning of the latter at the casting station is not essential and hori~ontal and vertical positional deviations and also slight oscillatory movements can be compensated for without difficulty~
The melt vessel can also be moved away without delay 30, from the casting station in an emergency, even without a -- - ~3 96~7~L
- previously releasing the rapid coupling 24, In this event the inner shaft of the universal~jointed shaft 22 is pulled out of its hollow.outer shaft and remains hanging and each component remains hanging 5~ on the relevant universal joint.
15. The invention i5 applicable to all motor driven types of slidiny gate valve, that is to say particularly rotary sliding gate valves but also pivotal sliding gate valves and, with an appropriate construction of the reduction gear, linear sliding 20. gate valves. In this connection it is also possible that different types of gate valve variously "
connected to the melt vessels of the installa-tion may be operated by one and the same drive unit.
Three specific embodiments of the invention 25. will now be described in more detail with reference `~ to the accompanying diagran~latic drawings, in which:-Figure l is a side view of the casting station, ~ of e.g. a continuous casting installation with `` a drive unit ~ixedly mounted on a ladle truck;
30. Figure 2 is a perspective view of a construction 7~
.
with a drive unit connected to a casting ladle; and Figure 3 is a detailed scrap underplan view of the connection between a universal-jointed shaEt and a reduction gear in conjunction with.a linear 5. sliding gate val~e.
Figure 1 shows a casting truck 1 situated at the casting station of a casting installation and .supporting one casting ladle 2 of a plural.ity of such ladles supported on the truck in a known manner by 10, means of side bars 3, .Beneath the casting ladle there is an intermediate vessel 5 (tundish), into which the melt is discharged fxom the ladle 2 A sliding gate valve 10~ in this case a rotary . sliding gate valve, is mounted on the base of the I 15. ladle to regulate the melt discharge, and a `, reduction gear ll.is also mounted on the ladle 2 i to actuate the valve 10.
At a suitable position on the casting station, in this case on a cantilever 4 projecting from , 20. the casting truck 1, a rotary drive unit generally designated 20 is.fixedly mounted. This includes a drive motor 21 and a telescopically extensible ` universal-jointed shaft 22 which is provided at its end with a rapid coupling 24. The gear 11 25, has a stub shaft 12 on its input side for rotary . connection with the rapid coupling 24.
The rotary drive unit 20 with the telescopic universal-jointed shaft 22 and rapid coupling 24 are thus part of the casting station equipment, 30. whilst each casting ladle 2 intended at some time to be moved to this casting station is provided .
~ ~ ~
- ~.9~7~
5, - with a sliding gate valve 10 and an associated reduction gear 11. The drive connection between~the motor 21 and the sliding gate valve 10 on the casting ladle at the casting station is effected by plug connecting 5. the rapid coupling 24 to the stub shaft 12, and when casting is finished the drive connection is separated again in a similar manner. The universal-jointed shaft and the rapid coupling are of a construct-ion known per se and can be constructed relatively 10, lightly because only a relatively small torque is to be transmitted to the input side of the reduction gear. By virtue of the extensible universal-jointed shaft, the precixe positioning of the casting ladle 2 on the ladle truck 1 with respect to the casting 15, station is not critical. With this construction the motor 21 can easily be accommodated at a protected position where it is much less subject to heat radiation. In this manner the expense of malntenance is considerably reduced and the operational security 20. increased. In addition to the main motor 21 an emergency or standby motor 21' can, as shown, be pxovided, e.g. an electric motor as main motor ;~ can be combined with a hydraulic motor as emexgency motor.
25. If the intermediate vessel 5 is also provided with a bottom gate valve for the regulation of the discharge, the same drive arrangement can in principle also be provided for this valve. A
` bottom gate valve 10' with a reduction gear 11l and 30. a rotary coupling portion 12' on the input side are `
6, shown in Figure 1 in chain dotted lines on the intermediate vessel 5. The associated.rotary drive unit (not shown), which is part of the equipment of the casting station, can then be 5. mounted, for instance fixedly or on the tundish truck. The production and release of the drive connection between the drive unit and the reduction gear 11' when exchanging the intermediate vessel occurs in the same manner as described above in 10, conjunction with.the casting ladle 2 by means of the rotary coupling portion 12' and the associated rapid coupling.
A fixed arrangement of the drive unit at the casting station is possible i the melt vessels 15. always adopt substantially the same casting position.
If~ on the other.hand, as is common when casting into ingot moulds, casting ladles are moved successively into different casting positions-! whilst supported on the casting crane, an arrangement 20. as shown in Figure 2 is appropriate. The rotary drive unit generally designated 30 is connected in ; an easily releasable manner to a casting ladle 2 of several such ladles by plug connecting it to appropriate side bars on the ladle shell by means . 25. of pintles 35 by using an auxiliary crane to engage the eyes 34. The casting ladle 2 shown in the casting position over an ingot mould 6 is again equipped with a bottom gate valve 10, e.g. a rotary gate valve~
; and an associated reduction gear 13. The rotary 30. drive unit 30 includes a motor 31 mounted on a ~ ~.g ~171 7.
~ support 33 and an extensible universal-jointed - shaft 22 provided with a rapid coupling 240 When the unit 30 is secured to the ladle 2 the rapid coupling 24 can be easily coupled to and uncoupl-ed 5~ from the stub shaft 14 of the gear 13 As shown in Figure 2, a partial speed reduction can be provided between the motor 31 and the shaft 22, as here in the form of a spur gear 32, so that the gear 13 on the ladle thus does not perform the 10. entire rotary speed reduction. Of importance is that the torque transmitted between the coupling members 24 and 14 is still relatively small, compared to the torque necessary at the gate valve 10, whereby the reaction forces which load the releasible 15. connection between the drive unit and the casting ladle, i.e. the plug connection 35,also remain small.
j When the ladle 2 is empty, the drive unit 30 is disconnected from it and connected to a fresh ladle and casting continues.
` 20. Figure 3 is a scrap view on a larger scale of an embodiment of the invention incorporating a linear sliding gate valve; the components forming part of the equipment of the melt vessel but only the end of the extensible universal-jointed shaft 22 25. with its universal joint 23 and plug coupling 24 of the drive unit associated with the casting station are illustrated. The schematically illustrating sliding gate ~alve 1~" is secured to the base of the ca~ting ladle 2. The associated speed reduction 30. gear 15 includes a threaded spindle 18 of which one .~
r ~` ~ 6~L7~L
end is splined and.radially and axially located in a bearing 17, The other end of the spindle 18 is in engagement with a threaded.hollow bush 19 which is connected to the.slider of the gate valve 10"
5. and moves.the latter linearly when the threaded splndle 18 is rotated, A coupling box 24 on the universal joint 23 is plug connected to the shaft end 16 in a manner known per se and secured, e,g~
by means of a tangential pin and thereby constitutes l~. a releasible rotary drive connection, Thus this embodiment also permits the actuation of the bottom gate valve of a plurality of melt vessels when in the casting position by means of a single drive motor associated with the casting station. It is l5. thus not necessary to equip each vessel with a motor, such as an electric motor, and furthermore the relatively delicate motor at the casting station can be accommodated at a position in which it is substantially better protected than it would be on the 20, casting vessel itself, By virtue of the extensible universal-jointed shaft, which in the instal.lations described above effects the connection between the casting station equipment and the respective melt vessel, a precise 25. positioning of the latter at the casting station is not essential and hori~ontal and vertical positional deviations and also slight oscillatory movements can be compensated for without difficulty~
The melt vessel can also be moved away without delay 30, from the casting station in an emergency, even without a -- - ~3 96~7~L
- previously releasing the rapid coupling 24, In this event the inner shaft of the universal~jointed shaft 22 is pulled out of its hollow.outer shaft and remains hanging and each component remains hanging 5~ on the relevant universal joint.
Claims (5)
PROPERTY OR PRIVILEGE IS CLAIMED ARE DEFINED AS FOLLOWS:
1. A casting installation including a plurality of melt vessels each of which is selectively movable to a casting station and includes a sliding gate valve connected to a reduction gear, each reduction gear being connected on its input side to a first rotary coupling member, the installation further including a single rotary drive unit connected to an extensible universal-jointed shaft and a second rotary coupling member which is readily releasably securable to any one of the first rotary coupling members.
2. An installation as claimed in claim 1, in which the rotary drive unit at the casting station is fixedly mounted.
3. An installation as claimed in claim 1, in which the rotary drive unit is readily releasably securable to any one of the melt vessels when in the casting position so as to be supported thereby.
4. An installation as claimed in claim 1, 2 or 3, in which the rotary drive unit includes a main motor and a standby motor.
5. An installation as claimed in claim 1, 2 or 3, in which a reduction gear is arranged between the drive unit and the universal-jointed shaft.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH6768/81-5 | 1981-10-23 | ||
| CH6768/81A CH652949A5 (en) | 1981-10-23 | 1981-10-23 | MOLDING PLANT WITH SEVERAL MELT MOLDED EQUIPMENT WITH A SLIDING LOCK. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1196171A true CA1196171A (en) | 1985-11-05 |
Family
ID=4314736
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000414051A Expired CA1196171A (en) | 1981-10-23 | 1982-10-22 | Casting installation with a plurality of melt vessels |
Country Status (16)
| Country | Link |
|---|---|
| JP (1) | JPS5870964A (en) |
| AR (1) | AR228688A1 (en) |
| BE (1) | BE894550A (en) |
| BR (1) | BR8206182A (en) |
| CA (1) | CA1196171A (en) |
| CH (1) | CH652949A5 (en) |
| DE (1) | DE3233600C2 (en) |
| ES (1) | ES8308494A1 (en) |
| FR (1) | FR2515082B1 (en) |
| GB (1) | GB2107624B (en) |
| IN (1) | IN157155B (en) |
| IT (1) | IT1149392B (en) |
| LU (1) | LU84423A1 (en) |
| NL (1) | NL8204044A (en) |
| SE (1) | SE8205986L (en) |
| ZA (1) | ZA827751B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT381583B (en) * | 1984-06-01 | 1986-11-10 | Voest Alpine Ag | TILTABLE METALLURGICAL TUBE |
| EP0875320B1 (en) * | 1997-04-30 | 2004-01-21 | Stopinc Aktiengesellschaft | Sliding gate valve for molten metal containing vessels |
| EP1687109B1 (en) | 2003-11-28 | 2008-08-13 | Stopinc Aktiengesellschaft | Device for actuating a sliding closure applied to a vessel containing a molten metal |
| CN112091205A (en) * | 2020-08-27 | 2020-12-18 | 中冶陕压重工设备有限公司 | Sliding gate linkage device |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2113894A (en) * | 1935-11-01 | 1938-04-12 | Theopheiles D Lucier | Foundry ladle |
| US2832110A (en) * | 1951-11-01 | 1958-04-29 | Blaw Knox Co | Ladle stopper control apparatus |
| JPS518013U (en) * | 1974-07-04 | 1976-01-21 | ||
| FR2429632A1 (en) * | 1978-06-28 | 1980-01-25 | Est Aciers Fins | DEVICE FOR ADJUSTING THE FLOW RATE OF A PLUG OF A DISPENSING CONTAINER IN A CONTINUOUS CASTING SYSTEM, BY CONTROLLING AT THE METAL BATH OF A RECEIVING LINGOTIERE |
-
1981
- 1981-10-23 CH CH6768/81A patent/CH652949A5/en not_active IP Right Cessation
-
1982
- 1982-09-10 DE DE3233600A patent/DE3233600C2/en not_active Expired
- 1982-09-30 ES ES516108A patent/ES8308494A1/en not_active Expired
- 1982-09-30 FR FR8216478A patent/FR2515082B1/en not_active Expired
- 1982-09-30 BE BE0/209133A patent/BE894550A/en not_active IP Right Cessation
- 1982-10-04 JP JP57173367A patent/JPS5870964A/en active Pending
- 1982-10-08 IN IN1166/CAL/82A patent/IN157155B/en unknown
- 1982-10-13 LU LU84423A patent/LU84423A1/en unknown
- 1982-10-14 IT IT49271/82A patent/IT1149392B/en active
- 1982-10-19 AR AR291013A patent/AR228688A1/en active
- 1982-10-20 GB GB08229946A patent/GB2107624B/en not_active Expired
- 1982-10-20 NL NL8204044A patent/NL8204044A/en not_active Application Discontinuation
- 1982-10-21 SE SE8205986A patent/SE8205986L/en not_active Application Discontinuation
- 1982-10-22 ZA ZA827751A patent/ZA827751B/en unknown
- 1982-10-22 CA CA000414051A patent/CA1196171A/en not_active Expired
- 1982-10-28 BR BR8206182A patent/BR8206182A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NL8204044A (en) | 1983-05-16 |
| ES516108A0 (en) | 1983-10-01 |
| ZA827751B (en) | 1983-08-31 |
| CH652949A5 (en) | 1985-12-13 |
| DE3233600C2 (en) | 1983-10-20 |
| FR2515082A1 (en) | 1983-04-29 |
| IN157155B (en) | 1986-02-01 |
| SE8205986D0 (en) | 1982-10-21 |
| DE3233600A1 (en) | 1983-05-11 |
| AR228688A1 (en) | 1983-03-30 |
| FR2515082B1 (en) | 1987-01-09 |
| GB2107624B (en) | 1985-10-16 |
| BE894550A (en) | 1983-01-17 |
| BR8206182A (en) | 1983-09-20 |
| LU84423A1 (en) | 1983-06-13 |
| IT8249271A0 (en) | 1982-10-14 |
| JPS5870964A (en) | 1983-04-27 |
| IT1149392B (en) | 1986-12-03 |
| SE8205986L (en) | 1983-04-24 |
| GB2107624A (en) | 1983-05-05 |
| ES8308494A1 (en) | 1983-10-01 |
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