EP0698433B1 - Dispositif de coulée continue entre cylindres à parois d'obturation latérale appliquées - Google Patents
Dispositif de coulée continue entre cylindres à parois d'obturation latérale appliquées Download PDFInfo
- Publication number
- EP0698433B1 EP0698433B1 EP95401560A EP95401560A EP0698433B1 EP 0698433 B1 EP0698433 B1 EP 0698433B1 EP 95401560 A EP95401560 A EP 95401560A EP 95401560 A EP95401560 A EP 95401560A EP 0698433 B1 EP0698433 B1 EP 0698433B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- plate
- thrust
- wall
- rolls
- cylinders
- 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
Links
- 238000005266 casting Methods 0.000 title description 20
- 239000002184 metal Substances 0.000 abstract description 14
- 229910052751 metal Inorganic materials 0.000 abstract description 14
- 238000009749 continuous casting Methods 0.000 abstract description 5
- 238000003825 pressing Methods 0.000 abstract description 3
- 238000007789 sealing Methods 0.000 description 14
- 238000006073 displacement reaction Methods 0.000 description 9
- 238000007711 solidification Methods 0.000 description 9
- 230000008023 solidification Effects 0.000 description 9
- 238000009826 distribution Methods 0.000 description 8
- 230000008595 infiltration Effects 0.000 description 8
- 238000001764 infiltration Methods 0.000 description 8
- 239000011819 refractory material Substances 0.000 description 7
- 238000009434 installation Methods 0.000 description 5
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 4
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 210000000056 organ Anatomy 0.000 description 4
- 230000003071 parasitic effect Effects 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 229910001338 liquidmetal Inorganic materials 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 208000018672 Dilatation Diseases 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 210000005069 ears Anatomy 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000002706 hydrostatic effect Effects 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 244000045947 parasite Species 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 230000002747 voluntary effect Effects 0.000 description 1
Images
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
- B22D11/04—Continuous casting of metals, i.e. casting in indefinite lengths into open-ended moulds
- B22D11/0405—Rotating moulds
-
- 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
-
- 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
- B22D11/0648—Casting surfaces
- B22D11/066—Side dams
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27J—MECHANICAL WORKING OF CANE, CORK, OR SIMILAR MATERIALS
- B27J1/00—Mechanical working of cane or the like
- B27J1/02—Braiding, e.g. basket-making
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04C—BRAIDING OR MANUFACTURE OF LACE, INCLUDING BOBBIN-NET OR CARBONISED LACE; BRAIDING MACHINES; BRAID; LACE
- D04C1/00—Braid or lace, e.g. pillow-lace; Processes for the manufacture thereof
Definitions
- the present invention relates to continuous casting thin metal products, especially strips thin steel, using continuous casting technique between two cooled counter-rotating cylinders. She relates more particularly to the obturation walls lateral, applied against the front ends of the cylinders, to delimit the casting space defined between the cylinders, as well as their support means and of application against said front ends.
- the molten metal is spilled in the casting space, defined between the cylinders, is solidifies on contact with them, and is extracted towards the bottom, when rotated, in the form of a thin strip.
- the sealing walls side are pressed against the front ends cylinders.
- Such lateral closure walls are commonly made of refractory material, at less in their part brought into contact with the molten metal.
- JP-A-63026243 and JP-A-57009565 describe lateral obturation walls whose support means include a movable push plate in the axial direction of the cylinders and arranged perpendicular to this direction, a plate supporting the closing wall and carried by the plate of thrust and arranged opposite it, and thrust members interposed between said plate thrust and said plate, and being able to exert thereon pushing forces independently of each other.
- the thrust force transmitted by the plate is applied only on the sealing wall.
- Document EP-A-212423 teaches that these pushing bodies can be constituted by actuated jacks, for example regulated in pressure.
- a lubrication of the cylinder-wall interface shutter is usually provided, this is carried out by adding a consumable lubricant or by use, at this interface, of a material self-lubricating.
- the wall shutter can produce greater wear in certain areas of the interface, or in other areas of infiltration located between the edge of the cylinders and the wall shutter, which lead to locally create a game between cylinder and end wall.
- a infiltration between a cylinder and said wall goes tend, when solidifying, to spread the wall sealing the edge of this cylinder, and therefore also the edge of the second cylinder, since the wall then goes retreat as a whole, with the risk of deteriorating sealing at said second cylinder.
- the same problem can arise if the front walls cylinder ends are not perfectly orthogonal to the axes of the cylinders, and / or are not exactly in the same plane; in this case the wall shutter is properly applied against a cylinder but not against the other.
- the object of the present invention is to resolve these problems, and in particular aims to keep the best possible sealing, throughout the casting, between a shutter wall and the two cylinders against which it is applied.
- the plate is only supported by the plate thrust, that is to say that it is linked to it mechanically only in the vertical direction and possibly horizontally, perpendicular to cylinder axes.
- the plate can be move relative to the push plate on the one hand in the direction of the cylinder axes, and on the other hand by pivoting relative to it about an axis any located in the general plane of this plate, substantially orthogonal to said axial direction.
- the organs thrust located on the side where the closing wall deviates from the cylinder are more heavily stressed, and, in reaction, it is possible to act preferentially or only on these without significantly modifying the thrust on the side of the second cylinder.
- the pushing members can be jacks piloted or springs.
- the thrust members are cylinders, we can then control them individually either in pressure or in displacement, which allows apply a bigger push just where where such additional thrust is required, for example in the case indicated above, on the side where occurred parasitic solidification.
- the stiffness of each spring and the distribution of the springs in the said zone are determined so that, for the same arrow of these springs, the pushing force they exert in the lower part of the obturation wall is greater than the thrust force exerted in the upper part of the wall.
- the invention also makes it possible to be able to modulate during the casting the overall bearing force, by moving the said thrust plate 10 relative to the cylinders, while retaining the adaptability of the position of the wall shutter in relation to the edges of the cylinders.
- the push plate is carried by a carriage mobile 8 in said axial direction, and the device includes means for moving said carriage by compared to the cylinders and exert on it an effort directed towards the cylinders.
- springs 14 all undergo additional compression, which is added to that which they had before this displacement, but which retains a similar distribution of thrust on the surface of wall 3, while accentuating more strongly the effort in the areas where the springs were already making a greater effort.
- the position of the push plate can be initially set at start-up to compress the springs quite strongly, thus ensuring a kind of lapping of the obturation wall against cylinder edges; then the overall downforce can be reduced, in stabilized pouring regime, to especially avoid too rapid wear of the wall shutter, and increased in the event of an incident, by example of liquid metal infiltration, to restore the sealing as quickly as possible.
- This support assembly includes a rigid frame 5, which carries a first carriage, or carriage prepositioning 6, adjustable in position on the chassis 5, in the axial direction A of the cylinders, for example by a screw-nut system 7.
- the prepositioning carriage 6 carries a second carriage 8, guided in translation in the axial direction A.
- the position of the second carriage 8 is adjusted by a cylinder 9 for positioning and pushing.
- the second carriage 8 supports a push plate 10, by means of two support pins 11. Furthermore, the push plate 10 is held against supports 12 linked to the carriage 8 and adjustable in position, so known per se, to ensure the verticality of the plate thrust 10.
- the push plate 10 has a plurality of bores 13, distributed over a form area triangular corresponding to the shape of the wall shutter.
- a spring compression 14 supported by one end at the bottom of the bore, and by the other end on a piston 15 sliding in the bore and comprising means for retainer 16 to hold spring and piston in the bore.
- the push plate 10 also has at its upper part of the support blocks 17, 17 ', on which rest ears 18, 18 'of a cooled plate 19 internally and the rear face of which is in contact with pistons 15.
- One of the support blocks 17 has a rib 17B which engages with reduced play in a groove corresponding to the ear 18, to ensure the lateral positioning of the plate according to Ox (direction horizontal), while leaving it free to rotate according to Oz (vertical direction).
- the other 18 'ear rests simply on the support block 17 '.
- Means 20 of lateral stop of the lower end of the plate 19 relative to the support plate 10 are also provided to avoid tilting on the supports 17 and 17 '.
- a plate 21 of insulating refractory material is held against the front face of the plate 19, by a cooled metal belt 22 which surrounds it and which is suspended on the plate by a hook-shaped pin 23, which rests in a cradle 24 of said plate, with some freedom of movement in the direction axial Oy.
- the insulating refractory plate 21 can also move relative to the cooled belt 22, in the axial direction, and has a thickness slightly higher than that of said belt 22.
- a second metal belt 25 surrounding the closure wall 3 which is linked to it by a refractory cement and whose the thickness is also greater than that of the said second belt 25, so as to protrude therefrom side of the cylinders, to avoid contact between them and the belt 25, even after maximum wear allowed.
- the shapes and dimensions of the two plates refractories 3 and 21 and belts 22 and 25 are such that even when the second belt 25 is tightened on the cooled belt 22, the refractory plate insulator 21 is only in contact with the closure wall 3, and not with said second belt 25.
- the thickness of the plate in insulating refractory 21 is greater than that of the belt cooled, the thrust force transmitted by the plate 19 is retransmitted only to the wall closure 3, and not on the belt 25, which avoids create constraints between this belt and the material shutter wall refractory, and therefore risks of deformations thereof or its separation from the belt 25.
- connection with the insulating refractory plate 21 is not rigid, and the hook 23 also has a some freedom of movement in the cradle 24, in the axial direction.
- the plate 19 is made of steel, of same as the cooled belt 22, and the second belt 25 is made of a material which has good hot characteristics such as steel or cast iron, its natural cooling being assisted by contact with the belt 22 cooled by a internal circulation of water.
- the support assembly 4 is distant from the cylinders, the chassis 5 being for this purpose provided with means, known in self, not shown, to ensure its displacement relative to the structure of the installation of casting.
- a radiation preheating oven is then brought in front of the shutter wall to carry it at a high temperature, the insulating refractory 21, the cooled plate 19 and the cooled belt 22 limiting the heating of the rest of the device.
- the chassis 5 is brought back into position and clamped on the structure.
- the jack 9 is then controlled to bring the obturation wall in contact with the edges of the cylinders and continuing its movement, move the plate thrust 10, which has the effect of compressing the springs 14.
- the jack 9 is regulated in position.
- the effort he provides is transmitted to the push plate by the carriage 8 and its supports 12, and this effort is then distributed on the plate 19 by the springs; the efforts supplied locally by each of said springs 14 are so essentially a function of the compression of these and therefore the relative position of the plate and the push plate.
- the closure wall 3 is applied against the cylinders 1 in a position that ensures the best contact possible. Indeed, even if, for example, the songs of two cylinders are slightly warped or offset axially with respect to each other, the wall shutter is applied against the two cylinders, with minimal play.
- the efforts of thrust, on the side of the cylinder whose edge overflows by compared to each other, are higher, which will lead to faster wear on this side of the sealing wall 3, and therefore tend to bring its general plan parallel to that of the push plate 10, lead to a more homogeneous distribution of the efforts provided by springs 14, and obtain optimal contact for the seal between obturation wall 3 and cylinders l.
- the springs 14 will act so that the closing wall remains in contact with the cylinder located on this side.
- This displacement can be detected either by a displacement sensor, either by a reduction of the pushing force, resulting because the springs located on the said side are thus less tablets.
- the jack 9 can then be controlled to advance the thrust plate towards the cylinders, until the desired effort is restored application of the sealing wall against the edge of the cylinder on the side where wear has occurred. In doing so, the efforts on the other side are increased and therefore go lead to accelerated wear on this other side, which will result in bringing back the sealing wall parallel to the thrust plate, and therefore regain optimal sealing.
- the springs 14 not only allow absorb faults in the shutter wall contact - cylinder, but tend to provide correction automatic, spontaneous of these faults.
- the invention allows on the one hand to reduce this pushing force, and on the other hand to use the obturation wall only when a contact disturbance occurs.
- the device according to the invention makes it possible to adjust the force of the shutter wall against the edge of the cylinders, in particular according to each stage of the casting, by a simple control of the jack 9.
- the springs can be replaced by piloted jacks which will perform the same functions as the springs, from the measurement of their internal pressure, and of the position of the closure wall.
- a synchronization regulation of the wear of the closure wall, acting on all cylinders can be combined with regulation individual, for example by defining one of the cylinders as a pilot and enslaving others on the cylinder pilot.
- cylinder pilot the one located towards the bottom of the obturation wall, that is to say near the neck between the cylinders, where the wear on the sealing wall is generally more accentuated.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Textile Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Forests & Forestry (AREA)
- Continuous Casting (AREA)
- Moulding By Coating Moulds (AREA)
- Manufacture Of Alloys Or Alloy Compounds (AREA)
- Body Structure For Vehicles (AREA)
- Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
- Rollers For Roller Conveyors For Transfer (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
- Braking Arrangements (AREA)
- Rolls And Other Rotary Bodies (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9408319 | 1994-06-30 | ||
FR9408319A FR2721843B1 (fr) | 1994-06-30 | 1994-06-30 | Disposition de coulee continue entre cylindres a parois d'obturation laterale appliquees |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0698433A1 EP0698433A1 (fr) | 1996-02-28 |
EP0698433B1 true EP0698433B1 (fr) | 1999-01-07 |
Family
ID=9465040
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP95401560A Expired - Lifetime EP0698433B1 (fr) | 1994-06-30 | 1995-06-29 | Dispositif de coulée continue entre cylindres à parois d'obturation latérale appliquées |
Country Status (23)
Country | Link |
---|---|
US (2) | US5584335A (ro) |
EP (1) | EP0698433B1 (ro) |
JP (2) | JP3717208B2 (ro) |
KR (1) | KR100358886B1 (ro) |
CN (1) | CN1054790C (ro) |
AT (1) | ATE175369T1 (ro) |
AU (1) | AU693548C (ro) |
BR (1) | BR9503040A (ro) |
CA (1) | CA2152231C (ro) |
CZ (1) | CZ285168B6 (ro) |
DE (1) | DE69507092T2 (ro) |
DK (1) | DK0698433T3 (ro) |
ES (1) | ES2128009T3 (ro) |
FI (1) | FI110070B (ro) |
FR (2) | FR2721843B1 (ro) |
PL (1) | PL178494B1 (ro) |
RO (1) | RO116711B1 (ro) |
RU (1) | RU2112624C1 (ro) |
SK (1) | SK281536B6 (ro) |
TR (1) | TR199500791A1 (ro) |
TW (1) | TW275595B (ro) |
UA (1) | UA26353C2 (ro) |
ZA (1) | ZA955412B (ro) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2737859B1 (fr) * | 1995-08-18 | 1997-09-12 | Usinor Sacilor | Dispositif de soutien d'une face laterale d'une installation de coulee continue de bandes metalliques entre cylindres |
IT1284214B1 (it) * | 1996-07-16 | 1998-05-14 | Acciai Speciali Terni Spa | Metodo di colata continua di prodotti metallici sottili ed apparecchiatura idonea alla sua esecuzione |
IT1284201B1 (it) * | 1996-07-31 | 1998-05-08 | Sviluppo Materiali Spa | Piastre con riporti ceramici antiusura per macchine per colata conntinua di corpi piani sottili e procedimento per la loro |
AUPP331598A0 (en) * | 1998-05-04 | 1998-05-28 | Bhp Steel (Jla) Pty Limited | Strip casting |
FR2786716B1 (fr) * | 1998-12-03 | 2001-01-05 | Usinor | Dispositif d'application d'une face laterale d'installation de coulee continue de bandes metalliques entre deux cylindres contre les faces planes des cylindres |
FR2787360B1 (fr) * | 1998-12-21 | 2001-02-02 | Usinor | Face laterale pour installation de coulee continue de bandes metalliques |
CH691574A5 (de) * | 1999-09-24 | 2001-08-31 | Main Man Inspiration Ag | Bandgiessmaschine zur Erzeugung eines Metallbandes. |
DE60117438T2 (de) | 2001-08-29 | 2006-11-16 | Danieli & C. Officine Meccaniche S.P.A., Buttrio | Seitendammanordnung für flüssigen Stahl zwischen Kühlrollen in einer Giessmaschine |
FR2833871B1 (fr) | 2001-12-20 | 2004-07-09 | Usinor | Procede et installation de fabrication de bandes metalliques a partir de bandes coulees directement a partir de metal liquide |
US7337827B2 (en) * | 2003-07-01 | 2008-03-04 | Sms Demag Ag | Method for operating a strip casting machine for producing a metal strip |
US7556084B2 (en) * | 2006-03-24 | 2009-07-07 | Nucor Corporation | Long wear side dams |
US7503375B2 (en) * | 2006-05-19 | 2009-03-17 | Nucor Corporation | Method and apparatus for continuously casting thin strip |
US8251127B2 (en) | 2008-06-24 | 2012-08-28 | Nucor Corporation | Strip casting apparatus with independent delivery nozzle and side dam actuators |
JP5837758B2 (ja) | 2011-04-27 | 2015-12-24 | キャストリップ・リミテッド・ライアビリティ・カンパニー | 双ロール鋳造装置及びその制御方法 |
CN102490224B (zh) * | 2011-11-24 | 2013-12-04 | 浙江明筑新材料有限公司 | 一种改良的篱笆编织机 |
US10046384B2 (en) | 2015-09-30 | 2018-08-14 | Nucor Corporation | Side dam with pocket |
WO2018119333A1 (en) * | 2016-12-23 | 2018-06-28 | Nucor Corporation | Adjustable side dam holder |
WO2018119552A1 (zh) * | 2016-12-26 | 2018-07-05 | 宝山钢铁股份有限公司 | 双辊薄带连铸侧封板的安装装置及其安装方法 |
EP3887078B1 (en) * | 2019-01-28 | 2022-11-09 | Novelis, Inc. | Short belt side dam for twin belt caster |
CN110027069A (zh) * | 2019-05-13 | 2019-07-19 | 郎军伟 | 一种制席用压脚及配合的制动元件结构 |
CN110815458A (zh) * | 2019-11-29 | 2020-02-21 | 河北科技师范学院 | 一种射草式薄草帘布草方法及布草装置 |
CN111957915A (zh) * | 2020-09-10 | 2020-11-20 | 一重集团大连工程技术有限公司 | 一种双辊薄带连铸铸辊侧封板自适应控制装置 |
CN112976199B (zh) * | 2021-03-30 | 2023-03-28 | 霍邱县淮美奇工艺品有限公司 | 一种柳编产品加工用芦苇压片工装 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2058447A (en) * | 1932-05-16 | 1936-10-27 | Clarence W Hazelett | Metalworking process |
JPS579565A (en) * | 1980-06-19 | 1982-01-19 | Mitsubishi Heavy Ind Ltd | Continuous casting equipment for metallic sheet |
JPS579566A (en) * | 1980-06-23 | 1982-01-19 | Mitsubishi Heavy Ind Ltd | Direct rolling type continuous casting method of metallic sheet |
JPS6233047A (ja) * | 1985-08-05 | 1987-02-13 | Nisshin Steel Co Ltd | 双ドラム式連続鋳造機 |
JPS6326243A (ja) * | 1986-07-17 | 1988-02-03 | Nippon Yakin Kogyo Co Ltd | 金属薄板帯の直接鋳造装置 |
JPH07108435B2 (ja) * | 1987-01-19 | 1995-11-22 | 株式会社日立製作所 | 双ロ−ル式連続鋳造機 |
JPS6483337A (en) * | 1987-09-22 | 1989-03-29 | Ishikawajima Harima Heavy Ind | Twin roll type continuous casting machine |
JPH0199749A (ja) * | 1987-10-12 | 1989-04-18 | Hitachi Ltd | 連続鋳造機 |
FR2652022B1 (fr) * | 1989-06-26 | 1994-04-08 | Irsid | Cassette destinee a former une face de fermeture frontale d'un dispositif de coulee continue de metal liquide. |
JPH0741376B2 (ja) * | 1990-06-11 | 1995-05-10 | 新日本製鐵株式会社 | 薄帯連続鋳造方法 |
JP2831136B2 (ja) * | 1990-12-26 | 1998-12-02 | 新日本製鐵株式会社 | 薄鋳片の連続鋳造機におけるサイド堰押圧力制御方法及び装置 |
JPH0749140B2 (ja) * | 1992-02-17 | 1995-05-31 | 三菱重工業株式会社 | 双ドラム式連続鋳造装置 |
JPH05253647A (ja) * | 1992-03-12 | 1993-10-05 | Nippon Yakin Kogyo Co Ltd | 金属薄板帯の直接鋳造方法およびその装置 |
JPH06326243A (ja) * | 1993-05-13 | 1994-11-25 | Dainippon Printing Co Ltd | 樹脂モールド型半導体装置用リードフレーム部材の製造方法 |
-
1994
- 1994-06-30 FR FR9408319A patent/FR2721843B1/fr not_active Expired - Fee Related
-
1995
- 1995-05-11 FR FR9505535A patent/FR2722124A1/fr not_active Revoked
- 1995-06-20 CA CA002152231A patent/CA2152231C/fr not_active Expired - Fee Related
- 1995-06-28 RO RO95-01225A patent/RO116711B1/ro unknown
- 1995-06-28 UA UA95063057A patent/UA26353C2/uk unknown
- 1995-06-28 SK SK847-95A patent/SK281536B6/sk not_active IP Right Cessation
- 1995-06-28 AU AU23314/95A patent/AU693548C/en not_active Ceased
- 1995-06-28 FI FI953187A patent/FI110070B/fi not_active IP Right Cessation
- 1995-06-29 EP EP95401560A patent/EP0698433B1/fr not_active Expired - Lifetime
- 1995-06-29 DK DK95401560T patent/DK0698433T3/da active
- 1995-06-29 DE DE69507092T patent/DE69507092T2/de not_active Expired - Lifetime
- 1995-06-29 AT AT95401560T patent/ATE175369T1/de active
- 1995-06-29 ZA ZA955412A patent/ZA955412B/xx unknown
- 1995-06-29 ES ES95401560T patent/ES2128009T3/es not_active Expired - Lifetime
- 1995-06-29 CN CN95109199A patent/CN1054790C/zh not_active Expired - Fee Related
- 1995-06-29 CZ CZ951718A patent/CZ285168B6/cs not_active IP Right Cessation
- 1995-06-30 US US08/497,028 patent/US5584335A/en not_active Ceased
- 1995-06-30 RU RU95110770A patent/RU2112624C1/ru not_active IP Right Cessation
- 1995-06-30 PL PL95309449A patent/PL178494B1/pl not_active IP Right Cessation
- 1995-06-30 JP JP18833895A patent/JP3717208B2/ja not_active Expired - Fee Related
- 1995-06-30 KR KR1019950018708A patent/KR100358886B1/ko not_active IP Right Cessation
- 1995-06-30 BR BR9503040A patent/BR9503040A/pt not_active IP Right Cessation
- 1995-06-30 TR TR95/00791A patent/TR199500791A1/xx unknown
- 1995-07-29 TW TW084107862A patent/TW275595B/zh active
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1998
- 1998-12-17 US US09/215,429 patent/USRE37214E1/en not_active Expired - Lifetime
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2004
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