US3682233A - Continuous casting machine starting system - Google Patents
Continuous casting machine starting system Download PDFInfo
- Publication number
- US3682233A US3682233A US69045A US3682233DA US3682233A US 3682233 A US3682233 A US 3682233A US 69045 A US69045 A US 69045A US 3682233D A US3682233D A US 3682233DA US 3682233 A US3682233 A US 3682233A
- Authority
- US
- United States
- Prior art keywords
- starting bar
- strand
- starting
- path
- bar
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/08—Accessories for starting the casting procedure
- B22D11/081—Starter bars
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/08—Accessories for starting the casting procedure
- B22D11/085—Means for storing or introducing the starter bars in the moulds
Definitions
- the head After passing through a straightener roller mechanism, the head is detached and follows a horizontal path with the strand, but the starting bar is diverted in a vertically upward path for storage clear of the adverse conditions which prevail at the lower level.
- Power actuated means are provided for initiating advancing and retracting the starting bar to and from the straightener mechanism.
- Means are provided for positively latching the bar in its home position of storage.
- the strand enters vertically through the upper end of a curved roller apron which changes the direction of the strand to horizontal and directs it to a straightener mechanism.
- the starting bar is advanced reversely through the roller apron until its head end registers in the bottom outlet of the mold.
- the starting bar is then withdrawn from the roller apron and the partially solidified strand follows.
- the bar is separated from the strand and directed to a storage position while the strand continues in another path.
- the method of handling and storing the articulated type of starting bar has been to withdraw it through the straightener mechanism and divert it downwardly below the horizontal pass line of the strand as it exits from the straightener rolls.
- This means that the starting bar is stored below the conveyor on which the continuous strand is cut into suitable lengths in which case the starting bar often becomes badly fouled with various kinds of refuse including slag that is produced by the cutting torches which are used to cut the strand.
- An object of the present invention is to overcome the above-mentioned problems by providing an articulated starting bar which may be stored in a convenient manner above the pass line of the strand and clear of the region where the starting bar would be subject to fouling or would interfere with arrangement of other components of the machine.
- Another object of this invention is to provide novel actuator and latching means for initiating the advancement of the starting bar toward the mold and for finally retracting the same to its home or storage position.
- An adjunct to this object is the provision of means for positively engaging the mold remote end of the starting bar with the actuator and for positively securing the bar in its stored position.
- the new starting system for a continuous strand casting machine comprises a starting bar storage structure which extends principally in a vertical direction above the pass line of the strand.
- the inlet end of the storage structure has a guide section which diverts all but the head end of the starting bar from its horizontal path through the straightener mechanism to its vertical path in the storage structure.
- the guide section is so designed that the head end of the starting bar is caused to remain with the leading end of the strand in which case the head end may be retrieved and reconditioned for the reuse on the next occasion of starting.
- FIG. 1 is a side elevational view of a continuous casting machine embodying the invention
- FIG. 2 is a side elevational view showing more details of the starting bar storage and actuating system, the strand straightener and'the withdrawal mechanism, the latter being shown in phantom lines;
- FIG. 3 is a side elevation sectional view of a part of the guide section which diverts the starting bar in one direction and allows the head member and strand to follow a pass line in another direction;
- FIG. 4 is a view of the strand exiting side of the guide section
- FIG. 5 shows the head end of the starting bar partially in section
- FIG. 6 is a sectional view taken on a line corresponding with 6-6 of FIG. 5;
- FIG. 7 is a side elevational view of the starting bar advancement initiating and retracting actuator with parts removed, and of the remote end of the starting bar and its latching mechanism;
- FIG. 8 shows a section of one of the hinge joints of the articulated starting bar taken on the line 8-8 in FIG. 2;
- FIG. 9 is a cross section of a joint in the starting bar head taken on a line corresponding with 99 in FIG. 5;
- FIG. 10 is a vertical cross section of the starting bar and latch arm taken on the line corresponding with l0l0 in FIG. 7.
- FIG. 1 illustrates some components of a continuous billet or strand casting machine. Most of the structural steel members which support the illustrated components have been omitted from the drawing for the sake of brevity.
- the casting machine comprises a ladle car 10 which is supported on tracks 11 so that it may traverse over several casting machines operated in parallel.
- a ladle 12 which has a bottom gate valve, not shown, is used to transfer molten metal to the casting machine by way of a tundish 15.
- the ladle is shown supported on car 10.
- a tundish 15 is located below the ladle for receiving molten metal out of the bottom of ladle '12 under control of the operator.
- the tundish l5 admits molten metal into a flow-through mold l7.
- Mold 17 is sur- 3 rounded by a water cooling chamber which effects solidification of the outer skinof the strand that is formed in the mold so that it will maintain its shape as it emerges from the mold.
- the mold 17 is supported on an oscillating vmechanism which is marked 18.
- the roller apron may be made in sections and be fastened at a number of places, one of which is exemplified by the anchor 21.
- the roller apron comprises a pair of tracks 22 and 23 which are spaced apartto provide a guide for the starting bar rollers as will be described later.
- Also in the roller apron are a series of staggered stationary rollers 24 which induce a curve in the strand 31 as it traverses down the apron to a known type of straightener and withdrawal mechanism which is generally designated by the number 25.
- the straightener and withdrawal mechanism 25 will now be described to the extent necessary to establish its relationship withthe present invention.
- the mechanism 25 will be seen to comprise upper and lower pairs of withdrawal rollers 26, 27 and 28,29.
- the fragment 31 of the strand shown in FIG. 2 is assumed, of course, to have passed down roller apron from mold 17 and is shown as having passed through the entry rollers 26 and 27 of the straightener mechanism.
- Exit rollers 28 and 29 and entry rollers 26 and 27 are adapted for being driven with hydraulic motors which are symbolized in FIG. 1 and assigned the reference numerals 32, 33, 34 and 35.
- the hydraulic-supply system for these motors is such that they may be driven as independent pairs 28, 29 and 26, 27 or they may be driven simultaneously.
- the motors and rollers may also be advanced and retracted vertically so as to selectively engage or disengage with strand 31 or with the starting bar which is generally designated by the reference numeral 36 in FIG. 2.
- the hydraulic system for operating motors 32 35 is not shown.
- starting bar 36 is shown still attached to strand 31 which has been admitted through exit rollers 26 and 27. This condition prevails only when the casting process is being initiated.
- starting bar 36 is diverted into its storage structure 37 by means of a guide section 38 which also permits the strand 31 to continue along its horizontal pass line so that the strand will run onto a cut-off table 39 as can be seen in FIG. 1.
- the cut-ofi table 39 is equipped with a burning torch mechanism 40 which is adapted for following along with strand 31 so that it may cut the strand straight across to desired lengths.
- the starting bar was stored under cutofitable 39 in which case the bar was often adversely afiected by the slag which is incidental to use of a buming torch and there were occasions when the starting bar itself was damaged by the flame of the torch.
- the articulatedstarting bar 36 comprises a series of links 41 which are pivotally connected byshafts 42.
- the opposite ends of the shafts have rollers 43 which run on the inside of spaced apart tracks 44 and 45, for instance.
- the tracks for guiding the starting bar in storage structure 37 are similar in construction and arrangement to tracks 22 and 23 in roller apron 20.
- the cross sectional view of the tracks may be seen in FIG. 10. They comprise channels or angle irons each of which. has a laterally extending leg 46, 47, 48 and 49.
- a typical pair of tracks 46 and 47 are spaced apart from eachother to providea runway for the rollers 43 which are carried on the starting bar link shafts 42.
- the starting bar 36 runs on these similar tracks in both the roller apron 20 and starting bar storage structure 37.
- the head end 50 of starting bar 36 is separable from the principal portion of the starting bar in which case the principal portion may run up for storage into storage structure 37 and the head end 50 may continue with the strand, as is suggested by the head end being shown in broken lines, after it has been separated from the main portion of the starting bar.
- the head has a guide cone, not shown, which is attached only when the starting bar is being advanced toward mold 17 and is removed just before it enters in which case the head of bolt 53 closes the bottom opening of mold 17 prior to initiating withdrawal of strand 31.
- the guide cone is fastened temporarily to the starting bar head 52 by slipping it over a bolt 53 which has a pin 54 securing it to the head.
- the head 52 is pivotally connected to a link 55 by means of a pin 56. The details of this connection may be seen in the cross section shown in FIG. 9.
- the shaft 56 is suitably grooved at its opposite ends to receive a retainer 'snap ring 57 which is secured against a washer 58.
- the first link 55 next to the head terminates in an open hooked portion 59 as can be seen in FIGS. 2, 3 and 5.
- the second link 60 whichstays with the main part of the starting bar carries a transversely extending pin 61 and a stop pin 62.
- head 50 cannot be rotated clockwise on pivot pin 61 because of interference by stop pin 62.
- pin 61 may be withdrawn from hooked portion 59 in which case the main part of the starting bar may be diverted upwardly into its storage chamber 37 as shown in FIG. 2 and the separated head 50 may continue along the horizontal pass line.
- FIG. 6 A sectional view of the separable hinged coupling is shown in FIG. 6.
- the guide section 38 comprises a pair of tracks 66 and 67 on which the guide rollers 42 of the starting bar may run. Tracks 66 and 67 in the guide section align with tracks 44 and 45 in storage structure 37.
- the guide section is provided with a gate 69 which is mounted on a gate pivot pin 70. Gate 69 can thereby be adjusted for effectuating proper disconnection of pin 61 in the starting bar from hook 59 in the head member 50.
- guide section 38 has a pair of spaced apart side walls 71 and 72 which provide a space for the starting bar to run upwardly on tracks 66 and 67 and another space for strand 31 to continue in its horizontal path toward cut-off table 39.
- the articulated starting bar will be stored in storage structure 37.
- the starting bar 36 Before beginning to pour metal into mold 17, it is necessary to advance the starting bar 36 from its storage structure 37 through the straightener and withdrawal mechanism 25 and through roller apron until guide cone, not shown, which is temporarily at the head end of the starting bar approaches the bottom of the mold 17. The guide cone is then removed and the starting bar is advanced until the head of bolt 53 plugs the mold. Initially, the head end 50 of the starting bar is advanced from the storage structure to a position between exit rollers 28 and 29 of the straightener and withdrawal mechanism 25.
- This initial movement is effected with a power actuator at the remote upper end of the starting bar.
- the actuator will be described in detail later.
- the actuator is adapted to advance the starting bar a short distance from its home position and then separate from it so that the bar may be advanced by driving exit rollers 28 and 29 of withdrawal and straightener mechanism 25.
- the head 50 of the starting bar is engaged by the strand exit rollers 28 and 29 by lowering the upper exit roller 28 to effect a frictional drive with the starting bar.
- Hydraulic motor 34 is then driven and the rollers advance the starting bar until the remote end of the starting bar is uncoupled from the actuator.
- the hydraulic motors 34 and 35 are then operated to further advance the starting bar until its head 50 is between entry rollers 26 and 27 whereupon the latter are closed and hydraulic motors 32 and 33 are energized to continue advancing the starting bar up roller apron 20 until the head of bolt 53 at the head end of the starting bar registers in the bottom of mold l7 and closes its opening.
- the starting bar When the initial charge of metal in mold 17 has cooled sufficiently to form a skin that will maintain its shape, the starting bar is withdrawn from apron 20 by applying reverse power to hydraulic motors 3235 to thereby drive entry rolls 26 and 27 and exit tolls 28 and 29 reversely in which case the starting bar will be withdrawn down roller apron 20. Under these circumstances, of course, the starting bar follows its tracks and goes back to storage position inside of storage structure 37. The starting bar is retracted under the driving influence of the straightener and withdrawal mechanism 25 until the remote end of the bar is recoupled with the power actuator located above.
- pin 61 at the end of the starting bar separates from hooked element 59 on head member 50 and the strand 31 which is being withdrawn continues, with the head member attached, onto the cut-off table 39.
- the starting bar is diverted upwardly from the horizontal path that is followed by the strand.
- a hydraulic cylinder 75 at the top end of the starting bar storage structure 37
- This cylinder is part of the actuator for initiating advancement of the starting bar and for retracting the same to its home position after it is separated from the strand.
- a part of cylinder 75 s visible in FIG. 2 which shows that the cylinder has extend ing from it a piston or ram 76 which is shown in its ex tended position because the starting bar head 50 is correspondingly shown as being advanced into straightener mechanism 25.
- Ram 76 has a clevis 77 at its end as can be seen best in FIG. 7. The ram 76 and clevis 77 extend between the tracks on which the starting bar rollers 43 run.
- the clevis is pinned at 78 to a guide clamp 79 which has a depending tongue 80.
- the guide clamp is provided with rollers which run on the tracks 44 and which in respect to FIGS. 2 and 7 will be called the upper tracks for present purposes.
- Connected with guide clamp 79 are the last links 81 and 82 in the series of links which comprise the starting bar.
- Link 81 is held coupled with guide clamp 79 by means of a latch arm 83 that is pivotally connected at 84 with tongue 80 which extends downwardly from the guide clamp 79.
- Latch arm 83 has two upwardly extending spaced apart legs 85 and 86 as can be seen in FIGS. 7 and 10.
- Legs 85 and 86 each have horizontal extensions or tips such as the one bearing the numeral 87, for engaging a shoulder 88 on link 81.
- the latch arm 83 also carries a pair of rollers 90 and 91 which are joumaled on a transverse shaft 92 as can be seen in FIGS. 7 and
- the latch arm 83 has two states in one of which the power actuator is engaged with the starting bar as shown in solid lines and the other of which the starting bar is disengaged from the actuator as shown in broken lines.
- the latch arm 83 is shown in its engaged state in which case rollers 88 and 89, rollers and 91 rest on a pair of lower track members 94 and 95 as can be seen in FIGS. 7 and 10.
- the lower track members have a part 96 which is inclined and connects with the horizontal lower track extension 97.
- FIG. 7 shows a limit switch 103 having the usual rocker arm 104 which has the rollers such as 105 atits ends. There is also another limit switch 106 which has an arm 107 and rollers 108 at its ends. Extending from guide clamp 79 is a limit switch operating cam 109 which will rock the arms 104 and 107 to alternate angular positions as the cam is advanced rectilinearly by the actuator. These limit switches and others which are not shown are for assuring a proper sequence of operation and coordination between the various active elements involved in advancing and retracting the starting bar. The twolimit switches perform the functions, for
- a new starter bar system has described.
- the system is characterized by use of an articulated bar or chain which is stored out of and'above the path of the strand which is being molded.
- the starting bar is guided to connect with a head prior to its advancement toward the mold.
- the head is automatically disconnected from the major portion of the starting bar as it goes into storage at which time the head continues with the strand to a place where it may be disconnected.
- the starting bar is'stored where it does not interfere with other functions of the machine and where it is not subjected to contamination or damage.
- a starting system for a continuous strand casting machine that has a strand guide path extending substantially from adjacent a flow-through mold to a substantially horizontally oriented strand exit end, said starting system comprising:
- a flexible starting bar means having head and remote ends, reversible drive means selectively engageable with the starting bar means to advance it and its head end to registry with aflow-through mold and to retract it into its storage position out of the path followed by an exiting molded strand,
- starting bar guide means near said reversible drive means and having a strand exiting path and a starting bar path, said guide means being adapted to direct the starting bar. means into a path for being advanced toward a mold and to divert the bar means out of and in a generally vertical direction above the strand exit path during retraction of said bar means,
- coupling means adapted to selectively couple and uncouple said actuator means and said starting bar means
- coupling operating means disposed in proximity with said coupling means, said operating means being adapted to uncouple said starting bar means after' the bar means is advanced a predetermined distance toward a mold by said actuator means and to recouple said starting bar means when the bar means retracted a predetermined distance by said reversible drive means, said actuator means being adapted to translate said starting bar means to its final storage position when the bar means is recoupied.
- a starting system for a continuous strand casting machine that has a strand guide path extending substantially from adjacent a flow-through mold to a substantially horizontally oriented strand exit end, said starting system comprising:
- a flexible starting bar means having head and remote ends
- reversible drive means selectively engageable with the starting bar means to advance it and its head end to registry with a flow-through mold and to retract it into its storage position out of the path followed by an exiting molded strand
- starting bar guide means near said reversible drive a latch arm means pivotally connected with said actuable element
- first track means adapted to guide said latch arm means in one direction a predetermined distance under the influence of said actuable element whereupon the arm means may pivot out of the path of said arm engageable means and effect release of said starting bar means for advancement by said drive means, and
- a second track means adapted to guide said latch arm means into reengagement with said engageable means when the latch arm means is moved under influence of the starting bar means when it is retracting.
- said pivotal latch arm means has rollers extending laterally therefrom, said rollers being spaced for running on said first and second track means,
- said first track means having a pivotal support and being biased in one direction
- said latch means and rollers urging said first track means to pivot in opposition to said bias when the latch arm is influenced by said remote end of the retracting starting bar, whereby pivoting of said first track means enables the rollers to return from the second track means to the first track means.
- a starting system for a continuous strand casting machine that is equipped with a flow-through mold and 10 has a guide path extending from the mold to a horizontally oriented strand exit, said system including:
- a flexible starting bar means comprising pivotally connected links in series
- head means detachably engaged with one end of the series of links, said flexible starting bar means being advanceable and retractable between positions where the head means engages with a mold and alternately where the starting bar means is out of the strand exit path and in storage position,
- actuator means located remotely from and above the strand exiting path
- a guide means confluent with said storage track means and adapted to direct said starting bar means up the storage track means and to disconnect said head means so it may continue along the strand path.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Continuous Casting (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US6904570A | 1970-09-02 | 1970-09-02 |
Publications (1)
Publication Number | Publication Date |
---|---|
US3682233A true US3682233A (en) | 1972-08-08 |
Family
ID=22086369
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US69045A Expired - Lifetime US3682233A (en) | 1970-09-02 | 1970-09-02 | Continuous casting machine starting system |
Country Status (7)
Country | Link |
---|---|
US (1) | US3682233A (fr) |
JP (1) | JPS542606B1 (fr) |
CA (1) | CA943321A (fr) |
DE (1) | DE2143106C3 (fr) |
FR (1) | FR2105192B1 (fr) |
GB (1) | GB1356003A (fr) |
ZA (1) | ZA715604B (fr) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3814169A (en) * | 1971-08-06 | 1974-06-04 | Concast Ag | Dummy bar handling system |
EP0066550B1 (fr) * | 1981-05-20 | 1985-02-13 | DANIELI & C. OFFICINE MECCANICHE S.p.A. | Dispositif pour le stationnement de fausse barre en aval du groupe d'extraction et de dressage |
CN109606618A (zh) * | 2018-12-14 | 2019-04-12 | 中航沈飞民用飞机有限责任公司 | 一种舱门分时驱动机构及其应用 |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2714338C3 (de) | 1977-03-31 | 1984-08-02 | Mannesmann AG, 4000 Düsseldorf | Anfahrstrang-Transportvorrichtung |
DE2759660B2 (de) * | 1977-03-31 | 1981-07-16 | Mannesmann Demag Ag, 4100 Duisburg | Stranggießvorrichtung mit einer Anfahrstrang-Aufnahme für einen kurzen Anfahrstrang |
CH622194A5 (fr) * | 1977-06-09 | 1981-03-31 | Concast Ag | |
DE2748690C2 (de) * | 1977-10-29 | 1983-12-29 | SMS Schloemann-Siemag AG, 4000 Düsseldorf | Vorrichtung zum Lösen des Anfahrkopfes eines Anfahrstranges in einer Stranggießanlage |
IT1146785B (it) * | 1981-05-20 | 1986-11-19 | Danieli Off Mecc | Dispositivo parcheggio falsa barra a monte del gruppo di estrazione e raddrizzatura |
JPS58174359U (ja) * | 1982-05-19 | 1983-11-21 | 石川島芝浦機械株式会社 | 移動農機のスタンド装置 |
DE3641913A1 (de) * | 1986-12-08 | 1988-06-09 | Do Nii Chernoj Metallurgii | Schraegstranggiessanlage |
CN112808958B (zh) * | 2020-12-25 | 2021-11-23 | 江苏宇钛新材料有限公司 | 用于钛及钛合金连铸高温状态下快速分段的方法 |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3277538A (en) * | 1963-07-26 | 1966-10-11 | Grinnell Corp | Automatic core blowing machine |
US3324934A (en) * | 1963-09-02 | 1967-06-13 | Schloemann Ag | Dummy bar with a separable dummy bar head |
US3344844A (en) * | 1964-08-10 | 1967-10-03 | Koppers Co Inc | Apparatus for handling a curved continuous casting starting bar |
US3351124A (en) * | 1964-01-28 | 1967-11-07 | Schloemann Ag | Continuous casting plant |
US3426835A (en) * | 1966-05-11 | 1969-02-11 | Bliss Co | Starting mechanism for continuous casting machine |
US3446270A (en) * | 1966-05-09 | 1969-05-27 | Bliss Co | Apparatus for continuous casting |
US3464482A (en) * | 1965-07-23 | 1969-09-02 | United Eng Foundry Co | Continuous casting |
US3495651A (en) * | 1967-03-08 | 1970-02-17 | Koppers Co Inc | Starting device for continuous castings |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR14673E (fr) * | 1910-10-27 | 1912-01-29 | Michelin & Cie | Amortisseur à réaction constante, applicable aux ressorts de suspension des véhicules |
FR1421059A (fr) * | 1965-01-18 | 1965-12-10 | Schloemann Ag | Installation de coulée continue, à coquille et guide à rouleaux de forme courbe |
FR1522770A (fr) * | 1967-05-11 | 1968-04-26 | Bliss E W Co | Mécanisme de mise en route pour machine de coulée continue |
-
1970
- 1970-09-02 US US69045A patent/US3682233A/en not_active Expired - Lifetime
-
1971
- 1971-08-17 GB GB3853771A patent/GB1356003A/en not_active Expired
- 1971-08-20 ZA ZA715604A patent/ZA715604B/xx unknown
- 1971-08-27 DE DE2143106A patent/DE2143106C3/de not_active Expired
- 1971-09-01 CA CA121,886A patent/CA943321A/en not_active Expired
- 1971-09-01 JP JP6669971A patent/JPS542606B1/ja active Pending
- 1971-09-01 FR FR7131673A patent/FR2105192B1/fr not_active Expired
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3277538A (en) * | 1963-07-26 | 1966-10-11 | Grinnell Corp | Automatic core blowing machine |
US3324934A (en) * | 1963-09-02 | 1967-06-13 | Schloemann Ag | Dummy bar with a separable dummy bar head |
US3351124A (en) * | 1964-01-28 | 1967-11-07 | Schloemann Ag | Continuous casting plant |
US3344844A (en) * | 1964-08-10 | 1967-10-03 | Koppers Co Inc | Apparatus for handling a curved continuous casting starting bar |
US3464482A (en) * | 1965-07-23 | 1969-09-02 | United Eng Foundry Co | Continuous casting |
US3446270A (en) * | 1966-05-09 | 1969-05-27 | Bliss Co | Apparatus for continuous casting |
US3426835A (en) * | 1966-05-11 | 1969-02-11 | Bliss Co | Starting mechanism for continuous casting machine |
US3495651A (en) * | 1967-03-08 | 1970-02-17 | Koppers Co Inc | Starting device for continuous castings |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3814169A (en) * | 1971-08-06 | 1974-06-04 | Concast Ag | Dummy bar handling system |
EP0066550B1 (fr) * | 1981-05-20 | 1985-02-13 | DANIELI & C. OFFICINE MECCANICHE S.p.A. | Dispositif pour le stationnement de fausse barre en aval du groupe d'extraction et de dressage |
CN109606618A (zh) * | 2018-12-14 | 2019-04-12 | 中航沈飞民用飞机有限责任公司 | 一种舱门分时驱动机构及其应用 |
Also Published As
Publication number | Publication date |
---|---|
GB1356003A (en) | 1974-06-12 |
ZA715604B (en) | 1972-05-31 |
FR2105192A1 (fr) | 1972-04-28 |
DE2143106A1 (de) | 1972-03-09 |
FR2105192B1 (fr) | 1976-05-28 |
DE2143106B2 (de) | 1981-01-22 |
DE2143106C3 (de) | 1981-09-17 |
JPS542606B1 (fr) | 1979-02-09 |
CA943321A (en) | 1974-03-12 |
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