NO129133B - - Google Patents
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- Publication number
- NO129133B NO129133B NO03455/68A NO345568A NO129133B NO 129133 B NO129133 B NO 129133B NO 03455/68 A NO03455/68 A NO 03455/68A NO 345568 A NO345568 A NO 345568A NO 129133 B NO129133 B NO 129133B
- Authority
- NO
- Norway
- Prior art keywords
- mold
- closed
- supply
- metal
- stopping
- Prior art date
Links
- 229910052751 metal Inorganic materials 0.000 claims description 33
- 239000002184 metal Substances 0.000 claims description 33
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000000977 initiatory effect Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000009749 continuous casting Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- -1 ferrous metals Chemical class 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 229910001338 liquidmetal Inorganic materials 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- SPJMAPNWDLIVRR-UHFFFAOYSA-M sodium;3-chloro-2-phenylphenolate Chemical compound [Na+].[O-]C1=CC=CC(Cl)=C1C1=CC=CC=C1 SPJMAPNWDLIVRR-UHFFFAOYSA-M 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
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- 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
- B22D11/16—Controlling or regulating processes or operations
- B22D11/18—Controlling or regulating processes or operations for pouring
-
- 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
- B22D11/06—Continuous casting of metals, i.e. casting in indefinite lengths into moulds with travelling walls, e.g. with rolls, plates, belts, caterpillars
- B22D11/0637—Accessories therefor
- B22D11/064—Accessories therefor for supplying molten metal
-
- 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
- B22D11/16—Controlling or regulating processes or operations
- B22D11/18—Controlling or regulating processes or operations for pouring
- B22D11/181—Controlling or regulating processes or operations for pouring responsive to molten metal level or slag level
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/0318—Processes
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/2713—Siphons
- Y10T137/2842—With flow starting, stopping or maintaining means
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
- Continuous Casting (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Description
Anordning for igangsettelse og opprettholdelse Device for initiation and maintenance
av metalltilførselen til en strengstøpekokilie. of the metal supply to a strand casting coil.
Foreliggende oppfinnelse angår en anordning for igangsetting The present invention relates to a device for starting
og opprettholdelse av metalltilforselen ved nedadrettet strengstoping, f As. i en stopemaskin med beltekokille, særlig ved båndstoping av ikke-jern-metaller, fremfor alt aluminium eller aiuminiumlegeringer. and maintenance of the metal supply by downward strand stoping, f As. in a stopping machine with a belt die, especially when band stopping non-ferrous metals, above all aluminum or aluminum alloys.
For kontinuerlig stbping av bånd er det utviklet forskjellige anordninger bg det er kjent å utfore stopeformen eksempelvis av en dobbeltrekke av kokillehålvdeler som er samlet som to endelose, omlopende kjeder. Ved innstopingsenden legger de kokillehålvdeler som ligger overfor hverandre seg mot hverandre og beveger seg i dette innbyrdes forhold over en viss avstand hvor de danner båndkokillen, hvoretter de igjen adskilles for etter et kort tidsrom å motes igjen ved innstopingsenden. Kokillehalvdelene i den ene av de to rekker er i en annen utforelsesform ikke innbyrdes forbundet, men beveges innbyrdes adskilt i en foringsanordning og holdes i omlbp og forbindes fortlopende ved innstopingsenden med kokillehalvdelene i den annen rekke til dannelse av en lukket stopeform. Various devices have been developed for continuous stitching of ribbons, for example it is known to perform the stitching form by a double row of die halves which are assembled as two endless, circling chains. At the insertion end, the mold halves that lie opposite each other lie against each other and move in this relationship over a certain distance where they form the band mold, after which they separate again and after a short period of time are molded again at the insertion end. In another embodiment, the mold halves in one of the two rows are not connected to each other, but are moved apart from each other in a lining device and held in a circular motion and connected continuously at the stuffing end with the mold halves in the other row to form a closed stop shape.
I "Handbuch des Stranggiessens" av E. Herrmann (Aluminium-Verlag GmbH, Diisseldorf, 1958) er det (side 51 - 63) beskrevet stoping In the "Handbuch des Stranggiessens" by E. Herrmann (Aluminium-Verlag GmbH, Diisseldorf, 1958) it is described (pages 51 - 63) stopping
i båndkokiller. in band moulds.
Ved vertikal nedadrettet stoping i beltekokiller er metall-tilf orselen vanskelig, fremfor alt fordi tilforselskanalene rager inn i den lukkede del av kokillen <p>g på grunn av utformingen av kokilleomvendingen må være forholdsvis lange, slik at det oppstår en hoy metallsoyle og derfor et hoyt statisk metall- With vertical downward stopping in belt molds, the metal supply is difficult, above all because the supply channels project into the closed part of the mold <p>g due to the design of the mold reversal must be relatively long, so that a high metal pillar occurs and therefore a high static metal
trykk som vanskeliggjor avtettingen av tilforselskanalene mot formrommet og mot utlbp av smelte gjennom utettheter. pressure that makes it difficult to seal the supply channels against the mold space and against the leakage of melt through leaks.
Stopehodet i beltekokillen må ligge under den ovre kant av den lukkede kokille idet metallsmelte ellers vil kunne trenge inn i skjotene mellom kokillehalvdelene og forårsake stillstand og eventuelt beskadigelse av maskinen. Den fri innstoping av smeiten, som kunne tenkes ved stoping av storre tverrsnitt,, The stopper head in the belt mold must lie below the upper edge of the closed mold, as molten metal will otherwise be able to penetrate the joints between the mold halves and cause downtime and possible damage to the machine. The free stuffing of the forging, which could be imagined when stuffing larger cross-sections,
kommer i praksis ikke på tale på grunn av sprut og turbulens i stopehodet. Det må derfor benyttes særskilte tilforsels-innretninger, f.eks. i form av flere ror som ligger ved siden av hverandre og som munner ut i en sliss som er tilpasset tverrsnittet i formhulrommet. does not come into question in practice due to splashes and turbulence in the stopper head. Special supply devices must therefore be used, e.g. in the form of several rudders which lie next to each other and which open into a slot which is adapted to the cross-section in the mold cavity.
I alle tilfeller må det ved stopingen sbrges for at stopehodet In all cases, when stopping, it must be ensured that the stop head
i kokillen holdes på mest mulig konstant hoyde. Av plasshensyn er det her i praksis ikke mulig å benytte flottbrventiler slik det er vanlig ved vannstoping. Regulering ved endring av tilforsels- eller avlopstverrsnittene i tilforselskanalene ved samtidig avfoling av hbyden av stopehodet henhv. av</>metalloverflaten in the mold is kept at as constant a height as possible. Due to space considerations, it is not possible here in practice to use float valves, as is usual for water stoppages. Regulation by changing the supply or drain cross-sections in the supply channels by simultaneously adjusting the height of the stop head or of</>the metal surface
i kokillen, dvs. av hoyden av det sted hvor metallsmelten forst kommer i berbring med kokilieveggen, byr på ytterst store vanskeligheter som oker med avtagende strengtykkelse og dertil kommer at hoyden av stopehodet henh<y>. av metalloverflaten i kokillen og dermed kvaliteten i stopestykket er utsatt for forstyrrende variasjoner. in the mold, i.e. of the height of the place where the molten metal first comes into contact with the mold wall, presents extremely great difficulties which increase with decreasing strand thickness and, in addition, the height of the stop head depends on <y>. of the metal surface in the mold and thus the quality of the stop piece is exposed to disturbing variations.
De ovennevnte ulemper overvinnes ved hjelp av foreliggende oppfinnelse. The above-mentioned disadvantages are overcome by means of the present invention.
Oppfinnelsen går ut på en anordning for igangsetting og opprettholdelse av metalltilforselen ved hevertvirkning til en kontinuerlig arbeidende streng—stopemaskin ved nedadrettet stoping av aluminium og aluminiumlegeringer, og det særegne ved denne anordning består i at den nedre ende av sugeroret ved bruk av en i og for seg kjent hevert som er sammensatt av et sugeror som kan settes under undertrykk, en lukket tverr-renne og minst en tilBrselskanal, kan stenges ved hjelp av en ventil mens tilforselskanalene ved innlopsendene kan stenges ved hjelp av ventiler, og at tilforselskanalene rager ned og inn i den lukkede del av beltekokillen. The invention concerns a device for initiating and maintaining the metal supply by siphoning to a continuously working string-stopping machine for the downward stopping of aluminum and aluminum alloys, and the peculiarity of this device is that the lower end of the suction tube, using an i and for known siphon which is composed of a suction pipe which can be put under negative pressure, a closed transverse chute and at least one supply channel, can be closed by means of a valve, while the supply channels at the inlet ends can be closed by means of valves, and that the supply channels project down and in in the closed part of the belt mold.
Denne anordning muliggjor opprettholdelse av konstant metall-overf latenivå i kokillen. Ved igangsetting av anordningen suges det smeltede metall fra en beholder til en lukket tverr-renne som ligger over beholderen og er tilsluttet en undertrykk-frembringende innretning, f.eks. en vakuumpumpe, mens avlops-åpningené, gjennom hvilke smeiten fores til tilforselskanalen eller -kanalene og til kokillen, er lukket, og metallet tillates å stige i tverr-rennen over det nodvendige nivå for derved å tillate dannelse av et stopehode på en startstreng i kokillen. This device makes it possible to maintain a constant metal surface level in the mold. When the device is started, the molten metal is sucked from a container into a closed transverse chute that lies above the container and is connected to a negative pressure-generating device, e.g. a vacuum pump, while the drain opening, through which the melt is fed to the supply channel or channels and to the mold, is closed, and the metal is allowed to rise in the cross chute above the necessary level to thereby allow the formation of a stop head on a starting string in the mold .
Så snart tilstrekkelig metall er tilstede i tverr-rennen As soon as sufficient metal is present in the cross-trough
stanses sugingen av metallsmelte, trykket bkes i tverr-rennen, hensiktsmessig til atmosfæretrykk, og tilforselen til og gjennom tilforselskanalene frigjbres, idet de ventiler som ved begynnelsen sperret tilforselskanalen eller -kanalene blir åpnet. Etter at metallsmelte har strbmmet gjennom kanalene og stopehodet er dannet begynner senking av startstrengen ved fortsatt the suction of molten metal is stopped, the pressure is reduced in the transverse chute, suitably to atmospheric pressure, and the supply to and through the supply channels is released, the valves which initially blocked the supply channel or channels being opened. After molten metal has flowed through the channels and the stopper head has been formed, lowering of the starting string begins by continuing
metalltilfbrsel, eventuelt settes kjedene med kokillehalvdelene i bevegelse, og det frembringes igjen et undertrykk i tverr-rennen. Etter at det onskede undertrykk er oppnådd åpnes sugeroret og det fås en heveirtvirkning. Fra dette oyeblikk skjer regulering av hoyden av stopehodet, henhv. metalloverflaten i stopeformen ved regulering av metalloverflaten i metallbeholderen hvorfra smeiten loftes for beskikking av kokillen. metal supply, possibly the chains with the mold halves are set in motion, and a negative pressure is again produced in the transverse chute. After the desired negative pressure is achieved, the suction pipe is opened and a lifting effect is obtained. From this moment, regulation of the height of the stop head takes place, resp. the metal surface in the stop mold by regulating the metal surface in the metal container from which the melt is lifted for coating the mold.
Som folge av friksjon mellom det flytende metall og heverten ligger metalloverflaten i metallbeholderen noe hoyere enn metalloverflaten i kokillen. Ved en stopehastighet på eksempelvis 3 m/min kan høydeforskjellen under drift være 30 - 50 mm. Ved igangsettingen er det imidlertid av sikkerhetshensyn å anbefale valg av en storre hoydeforskjell, f.eks. 200 mm, hvilken hoydeforskjell reduseres til 30 - 50 mm når hevertvirkningen inntrer. As a result of friction between the liquid metal and the sieve, the metal surface in the metal container is somewhat higher than the metal surface in the mold. At a stopping speed of, for example, 3 m/min, the difference in height during operation can be 30 - 50 mm. However, for safety reasons, when starting up, it is recommended to choose a greater difference in height, e.g. 200 mm, which height difference is reduced to 30 - 50 mm when the siphon effect occurs.
På vedfoyde"tegning er det skjematisk vist prinsippet for en anordning i* henhold til oppfinnelsen, for gjennomfbring av fremgangsmåten i henhold til oppfinnelsen i en maskin med beltekokille. Heverten 10 består av et sugeror 11, en tverr-renne 12 og en eller flere tilfbrselskanaler 13. 14 betegner en beholder for det smeltede metall og 15 betegner den ovre del av en beltekokille. 16 og 17 betegner ventiler og 18 betegner en sugestuss. Ved igangsetting av metalltilforselen blir tilforselskanalen 13 stengt ved hjelp av ventilen 17, ventilen 16 åpnes og luft suges ut fra tvérr-rennen 12 gjennom stussen The attached drawing schematically shows the principle of a device according to the invention, for carrying out the method according to the invention in a machine with a belt mold. The siphon 10 consists of a suction tube 11, a transverse chute 12 and one or more supply channels 13. 14 denotes a container for the molten metal and 15 denotes the upper part of a belt mold. 16 and 17 denote valves and 18 denotes a suction nozzle. When starting the metal supply, the supply channel 13 is closed by means of valve 17, valve 16 is opened and air is sucked out from the cross channel 12 through the spigot
18. Metallsmelten 19 stiger gjennom roret 11 inn i tverr-rennen 12 og fyller denne til en hbyde 20. Ventilen 16 blir så lukket, undertrykket i tverr-rennen 12 helt eller delvis opphevet og ventilen 17 åpnet. Dette medfbrer at metallsmelten strbmmer ut fra tverr-rennen 12 gjennom tilforselskanalen 13 18. The metal melt 19 rises through the rudder 11 into the transverse chute 12 and fills it to a height 20. The valve 16 is then closed, the pressure in the transverse chute 12 is completely or partially lifted and the valve 17 is opened. This results in the molten metal flowing out from the cross chute 12 through the supply channel 13
til den lukkede del av kokillen 15 og danner et stbpehode 22 to the closed part of the mold 15 and forms a stbpe head 22
på startstrengen 21. on the starting string 21.
Metalloverflaten i tverr-rennen synker tilsvarende den utstrbmmede mengde smelte til hoyden 24. Deretter blir, uten stenging av ventilen 17, kokillehalvdelene satt i bevegelse, startstrengen senket i overensstemmelse med stopehastigheten, tverr-rennen : igjen satt under undertrykk ved utsuging av luft gjennom stussen 18, og ventilen 16 igjen åpnet, hvorved heverten 10 trer i funksjon. I tverr-rennen 12 er det tilstrekkelig med et undertrykk på f.eks. 110 mm Hg (dvs. et absolutt-trykk på 650 mm Hg) . The metal surface in the transverse chute descends corresponding to the poured amount of melt to the height 24. Then, without closing the valve 17, the mold halves are set in motion, the starting string is lowered in accordance with the stopping speed, the transverse chute: again put under negative pressure by suction of air through the spigot 18, and the valve 16 again opened, whereby the strainer 10 comes into operation. In the transverse channel 12, a negative pressure of e.g. 110 mm Hg (ie an absolute pressure of 650 mm Hg).
Etter oppnåelse av det undertrykk som er nodvendig for å hindre utstromning av smelte fra tverr-rennen 12 gjennom sugeroret 11 After achieving the negative pressure that is necessary to prevent the outflow of melt from the transverse chute 12 through the suction pipe 11
til beholderen 14, kan ventilen 16 åpnes umiddelbart, f.eks. allerede 1 sekund etter oppnåelse av det onskede undertrykk. to the container 14, the valve 16 can be opened immediately, e.g. already 1 second after achieving the desired negative pressure.
Ved regulering av hoyden av metalloverflaten 25 i beholderen 14 blir også hoyden av metalloverflaten 23 i kokillen regulert. By regulating the height of the metal surface 25 in the container 14, the height of the metal surface 23 in the mold is also regulated.
Derfor er det ikke nodvendig å anordne noen reguleringsanordning i stopehodet 22. Metalloverflaten 25 i beholderen 14, som eksempelvis tilfores smelte fra en smelte- eller varmholde-ovn, kan eksempelvis reguleres ved hjelp av en flottorventil. Therefore, it is not necessary to arrange any regulation device in the stop head 22. The metal surface 25 in the container 14, which is for example supplied with melt from a melting or holding furnace, can for example be regulated by means of a float valve.
Bortsett fra de foran nevnte fordeler byr fremgangsmåten i henhold til oppfinnelsen på en ytterligere fordel idet den stort sett er uavhengig av stopehastigheten. Eksempelvis kan stopehastigheten endres betydelig uten endring av gjennom-stromningshastigheten. Reguleringen skjer automatisk. Apart from the aforementioned advantages, the method according to the invention offers a further advantage in that it is largely independent of the stopping speed. For example, the stopping speed can be changed significantly without changing the through-flow speed. The adjustment takes place automatically.
Anordningen er spesielt fordelaktig ved strengstoping i båndkokille. Den kan imidlertid med fordel også benyttes ved andre strengstopeprosesser med nedadrattet stoping, f.eks. ved stopevalsing, ved stoping i Hazelettkokille, i rotasjons-stopemaskiner samt ved vannstoping med rolig eller opp- og :-'=d-svingende kokille, og ikke bare for fremstilling av tynne plater, men også for fremstilling av stopestykker med store tverrsnitt, f.eks. vslseplater eller rundbolter. The device is particularly advantageous for string stuffing in a band mold. However, it can also be advantageously used in other string stopping processes with downward stopping, e.g. during stop rolling, when stopping in Hazelett moulds, in rotary stop machines as well as when water stopping with calm or up and :-'=d-swinging moulds, and not only for the production of thin plates, but also for the production of stop pieces with large cross-sections, f .ex. washers or round bolts.
Claims (1)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH1250767A CH461716A (en) | 1967-09-07 | 1967-09-07 | Process for starting and maintaining the metal feed to a continuous casting mold and device for carrying out the process |
Publications (1)
Publication Number | Publication Date |
---|---|
NO129133B true NO129133B (en) | 1974-03-04 |
Family
ID=4383649
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO03455/68A NO129133B (en) | 1967-09-07 | 1968-09-05 |
Country Status (13)
Country | Link |
---|---|
US (1) | US3552478A (en) |
AT (1) | AT290748B (en) |
BE (1) | BE718796A (en) |
CH (1) | CH461716A (en) |
DE (1) | DE1758934A1 (en) |
ES (1) | ES357581A1 (en) |
FR (1) | FR1575239A (en) |
GB (1) | GB1189033A (en) |
IS (1) | IS868B6 (en) |
NL (1) | NL6812571A (en) |
NO (1) | NO129133B (en) |
SE (1) | SE343494B (en) |
YU (1) | YU32090B (en) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE356914B (en) * | 1969-04-15 | 1973-06-12 | Voest Ag | |
US3815623A (en) * | 1971-11-04 | 1974-06-11 | Farmer Mold & Machine Works | Molten metal delivery system |
SE435988B (en) * | 1983-03-07 | 1984-10-29 | Asea Ab | DEVICE FOR CONTROL OF POWER IN A CLEANING INDUCTOR |
FR2607738B3 (en) * | 1986-12-03 | 1988-12-02 | Siderurgie Fse Inst Rech | DEVICE FOR SUPPLYING MOLTEN METAL TO CONTINUOUS CASTING LINGOTIERES |
US4915270A (en) * | 1988-07-13 | 1990-04-10 | Usx Corporation | Low-head feeding system for thin section castings |
CS91991A2 (en) * | 1990-04-04 | 1991-11-12 | Monks James Herbert | Method of molten metal's flow regulation and device for this method realization |
WO1995001236A1 (en) * | 1993-07-02 | 1995-01-12 | Frank W. Schaefer, Inc. | Low pressure casting process and apparatus |
US5590681A (en) * | 1993-07-02 | 1997-01-07 | Frank W. Schaefer, Inc. | Valve assembly |
US5421562A (en) * | 1994-04-28 | 1995-06-06 | General Motors Corporation | Gas-shielded siphonic valve |
US6152159A (en) * | 1997-01-14 | 2000-11-28 | Frank W. Schaefer, Inc. | Valve assembly and method for use in delivery of molten metal |
US5967220A (en) * | 1997-03-25 | 1999-10-19 | Larex, A.G. | Caster including a gas delivery means to resist backflowing and freezing of molten metal to the tip of a nozzle |
DE10201983A1 (en) * | 2002-01-21 | 2003-07-31 | Rauch Fertigungstech Gmbh | casting device |
DE10240512A1 (en) * | 2002-09-03 | 2004-03-11 | INDUGA Industrieöfen und Giesserei-Anlagen GmbH & Co. KG | Method and device for the continuous casting of metals |
NO320254B1 (en) * | 2003-06-30 | 2005-11-14 | Norsk Hydro As | Method and equipment for continuous or semi-continuous stopping of metal |
NO333512B1 (en) * | 2007-12-03 | 2013-06-24 | Norsk Hydro As | Device for equipment for continuous or semi-continuous stopping of metal |
NO341337B1 (en) | 2015-07-03 | 2017-10-16 | Norsk Hydro As | Equipment for continuous or semi-continuous casting of metal with improved metal filling arrangement |
NO20181185A1 (en) | 2018-09-11 | 2020-03-12 | Norsk Hydro As | Casting Equipment |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE879153C (en) * | 1943-01-20 | 1953-06-11 | Siegfried Dr-Ing E H Junghans | Device for uninterrupted casting of metals with ventilation |
DE1430800A1 (en) * | 1963-01-25 | 1968-12-05 | Daimler Benz Ag | Wheel recess arrangement on motor vehicles |
-
1967
- 1967-09-07 CH CH1250767A patent/CH461716A/en unknown
-
1968
- 1968-07-19 IS IS1753A patent/IS868B6/en unknown
- 1968-07-30 FR FR1575239D patent/FR1575239A/fr not_active Expired
- 1968-07-30 BE BE718796D patent/BE718796A/xx unknown
- 1968-08-12 AT AT788368A patent/AT290748B/en not_active IP Right Cessation
- 1968-08-22 GB GB40242/68A patent/GB1189033A/en not_active Expired
- 1968-08-26 ES ES357581A patent/ES357581A1/en not_active Expired
- 1968-09-04 YU YU2063/68A patent/YU32090B/en unknown
- 1968-09-04 NL NL6812571A patent/NL6812571A/xx unknown
- 1968-09-05 NO NO03455/68A patent/NO129133B/no unknown
- 1968-09-05 DE DE19681758934 patent/DE1758934A1/en active Pending
- 1968-09-06 SE SE12038/68A patent/SE343494B/xx unknown
- 1968-09-09 US US758270A patent/US3552478A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
AT290748B (en) | 1971-06-11 |
GB1189033A (en) | 1970-04-22 |
US3552478A (en) | 1971-01-05 |
YU32090B (en) | 1974-04-30 |
FR1575239A (en) | 1969-07-18 |
YU206368A (en) | 1973-10-31 |
CH461716A (en) | 1968-08-31 |
BE718796A (en) | 1968-12-31 |
IS868B6 (en) | 1974-06-28 |
SE343494B (en) | 1972-03-13 |
ES357581A1 (en) | 1970-03-16 |
NL6812571A (en) | 1969-03-11 |
DE1758934A1 (en) | 1971-04-01 |
IS1753A7 (en) | 1969-03-08 |
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