CA1093274A - Apparatus for manufacturing a wire by projecting a jet of liquid metal into a cooling medium - Google Patents
Apparatus for manufacturing a wire by projecting a jet of liquid metal into a cooling mediumInfo
- Publication number
- CA1093274A CA1093274A CA288,760A CA288760A CA1093274A CA 1093274 A CA1093274 A CA 1093274A CA 288760 A CA288760 A CA 288760A CA 1093274 A CA1093274 A CA 1093274A
- Authority
- CA
- Canada
- Prior art keywords
- wire
- trajectory
- fact
- jet
- nozzle
- 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
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/005—Continuous casting of metals, i.e. casting in indefinite lengths of wire
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Continuous Casting (AREA)
- Extrusion Of Metal (AREA)
- Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)
Abstract
ABSTRACT OF THE DISCLOSURE:
An apparatus for manufacturing a wire by projecting a jet of liquid metal or metal alloy into a cooling medium comprising a crucible for containing the liquid metal or metal alloy and having a heating element and at least one nozzle, means for exerting pressure on the liquid metal or metal alloy sufficient to project it in the form of a jet through the nozzle into the cooling medium, a cooling enclosure arranged along an extension of the nozzle, and a wire receiving device is improved by having the axis of the nozzle form an angle other than 0 and less than 180 with the descendent vertical.
An apparatus for manufacturing a wire by projecting a jet of liquid metal or metal alloy into a cooling medium comprising a crucible for containing the liquid metal or metal alloy and having a heating element and at least one nozzle, means for exerting pressure on the liquid metal or metal alloy sufficient to project it in the form of a jet through the nozzle into the cooling medium, a cooling enclosure arranged along an extension of the nozzle, and a wire receiving device is improved by having the axis of the nozzle form an angle other than 0 and less than 180 with the descendent vertical.
Description
109;~2'74 This invention relates to improvements in apparatus for manufacturing a wire by projecting a jet of liquid metal or metal alloy into a cooling medium.
Such apparatus comprise a crucible for containing the liquid metal or metal alloy which has been melted by a heating element, means for exerting pressure on the liquid metal or metal alloy sufficient to project it in the form of a jet through a nozzle into the cooling medium, at least one nozzle arranged in the wall of the crucible and through which the jet is projected, an enclosure, known as the cooling enclosure, arranged along an extension of the nozzle and containing a gaseous cooling medium in which the transformation of the liquid jet into solid wire takes place, and a device, known as the receiving device, for receiving the solid wire.
In such apparatus, the jet is customarily projected along the descendent vertical and it is possible to obtain a continuous wire only by adding at least one stabilizing ele-ment, such as silicon in the case of steel wires (Canadian Patent 966,635), to the liquid or molten metal in the crucible.
The purpose of this is to sufficiently lengthen the jet so as to obtain a wire before the jet is resolved into drops.
However, it is difficult with the use of these apparatus to manufacture industrially continuous wires of a diameter in excess of 0.2 to 0.3 mm. The reason for this is that the weight of the wire breaks the jet prematurely despite the tensile strength of the skin formed around the jet by the stabilizing element upon contact with the cooling medium.
On the other hand, it is known (United States Patent ~,825,108) to cool a metal jet by projecting it obliquely into a rotating cupola made of a metal which is a very good conduc-tor of heat, said cupola being arranged in the vicinity of the orifice of the nozzle. It is also known to cool a metal jet by projecting it tangentially to a cold stream of gas (United States Patent 2,879,566) debouching close to the orifice of the nozzle. However, these apparatus do not make it possible to produce industrially a continuous wire of circular cross section and constant diameter.
The object of the present invention is to increase the diameter of the wires while preserving their continuity.
Thus the apparatus in accordance with the invention comprising a crucible for containing the liquid metal or metal alloy and having a heating element and at least one nozzle, means for exerting pressure on the liquid metal or metal alloy sufficient to project it in the form of a jet through the nozzle into the cooling medium, a cooling enclosure arranged along an extension of the nozzle, and a wire receiving device, is charac-terized by the fact that the axis of the nozzle forms an angle other than 0 and less than 180 with the descendent vertical.
When the jet is projected along the descendent ver-tical, the entire weight of the wire exerts a pull on the jet r Due to the invention, the weight of the wire now only enters into effect on the basis of the component thereof which is directed along the tangent to the trajectory of the jet. Now this component has a tendency to decrease as the angle of the axis of the jet with respect to the descendent vertical in-creases.
By means of an apparatus of the aforementioned type which projects the jet along the descendent vertical at a speed of 15 m/second, it is difficult to manufacture continuous steel wires of a diameter of more than 0.3 mm, the compositions of the steel and of the cooling medium being those indicated in Canadian Patent 966,635. On the other hand, by inclining the axis of the nozzle in accordance with the present inven-tion to an angle of about 60 with respect to the descendent 1~3274 vertical, it is possible to manufacture continuous wires of a diameter of 0.4 mm with a speed of projection of 15 m/second.
With an inclination of the nozzle equal to about 100, one obtains wires of a diameter of 0.6 mm. When the axis of the nozzle is inclined 135, continuous wires of a diameter of
Such apparatus comprise a crucible for containing the liquid metal or metal alloy which has been melted by a heating element, means for exerting pressure on the liquid metal or metal alloy sufficient to project it in the form of a jet through a nozzle into the cooling medium, at least one nozzle arranged in the wall of the crucible and through which the jet is projected, an enclosure, known as the cooling enclosure, arranged along an extension of the nozzle and containing a gaseous cooling medium in which the transformation of the liquid jet into solid wire takes place, and a device, known as the receiving device, for receiving the solid wire.
In such apparatus, the jet is customarily projected along the descendent vertical and it is possible to obtain a continuous wire only by adding at least one stabilizing ele-ment, such as silicon in the case of steel wires (Canadian Patent 966,635), to the liquid or molten metal in the crucible.
The purpose of this is to sufficiently lengthen the jet so as to obtain a wire before the jet is resolved into drops.
However, it is difficult with the use of these apparatus to manufacture industrially continuous wires of a diameter in excess of 0.2 to 0.3 mm. The reason for this is that the weight of the wire breaks the jet prematurely despite the tensile strength of the skin formed around the jet by the stabilizing element upon contact with the cooling medium.
On the other hand, it is known (United States Patent ~,825,108) to cool a metal jet by projecting it obliquely into a rotating cupola made of a metal which is a very good conduc-tor of heat, said cupola being arranged in the vicinity of the orifice of the nozzle. It is also known to cool a metal jet by projecting it tangentially to a cold stream of gas (United States Patent 2,879,566) debouching close to the orifice of the nozzle. However, these apparatus do not make it possible to produce industrially a continuous wire of circular cross section and constant diameter.
The object of the present invention is to increase the diameter of the wires while preserving their continuity.
Thus the apparatus in accordance with the invention comprising a crucible for containing the liquid metal or metal alloy and having a heating element and at least one nozzle, means for exerting pressure on the liquid metal or metal alloy sufficient to project it in the form of a jet through the nozzle into the cooling medium, a cooling enclosure arranged along an extension of the nozzle, and a wire receiving device, is charac-terized by the fact that the axis of the nozzle forms an angle other than 0 and less than 180 with the descendent vertical.
When the jet is projected along the descendent ver-tical, the entire weight of the wire exerts a pull on the jet r Due to the invention, the weight of the wire now only enters into effect on the basis of the component thereof which is directed along the tangent to the trajectory of the jet. Now this component has a tendency to decrease as the angle of the axis of the jet with respect to the descendent vertical in-creases.
By means of an apparatus of the aforementioned type which projects the jet along the descendent vertical at a speed of 15 m/second, it is difficult to manufacture continuous steel wires of a diameter of more than 0.3 mm, the compositions of the steel and of the cooling medium being those indicated in Canadian Patent 966,635. On the other hand, by inclining the axis of the nozzle in accordance with the present inven-tion to an angle of about 60 with respect to the descendent 1~3274 vertical, it is possible to manufacture continuous wires of a diameter of 0.4 mm with a speed of projection of 15 m/second.
With an inclination of the nozzle equal to about 100, one obtains wires of a diameter of 0.6 mm. When the axis of the nozzle is inclined 135, continuous wires of a diameter of
2 mm can be obtained.
However, the fundamental principle of the invention applies to the manufacture of continuous wires whatever the liquid raw material projected in the form of a jet into a cooling medium.
In accordance with a preferred variant of the present invention, after the continuity of the wire has been established, a device limiting the horizontal range of the trajectory of the wire, which in first approximation is parabolic, can be intro-duced into said trajectory in order to avoid an increase in the dimensions of the apparatus of the invention.
Such a range limiting device, although forming part of the wire receiving and/or transforming device, can be attached in the cooling enclosure, or it may be outside of said enclosure, This range limiting device can advantageously be de-veloped in one of the following manners.
It can be formed of a flat surface or a concave sur-face with a concavity facing preferably towards the wire. At the point of contact of the wire with said surface, the tangent to the trajectory of the wire may suitably form an acute angle, for instance an angle of less than 30, with the tangent to said surface. The trajectory is thus diverted but not disturbed.
The range limiting device can also have the form of two cylinders rotatable around two parallel fixed axes at a speed close to that of the wire and in the same direc-tion as the latter, the wire being engageable between the two ` i~J93Z74 cyllnders. At the outlet of this range limiting device, the wire follows a different path. Thus it is convenient to orient this range limiting device with respect to the trajectory of the wire in such a manner that the emerging wire has a trajectory which converges towards the wire receiving and/or transforming device.
The figures of the drawing, a description of which follows, serve to diagrammatically illustrate the invention and not to limit it. In the drawings, Figs. 1, lA and 2 rep-resent cross sections along a vertical plane containing thetrajectory of the jet and of the wire, in apparatus in accor-dance with the invention. More precisely, Figs. 1 and lA show an apparatus provided with a device limiting the horizontal range of the trajectory of the wire, formed of a concave surface attached within the cooling enclosure, and Fig. 2 shows a similar apparatus, but the device limiting the hori-zontal range of the trajectory of the wire is formed of a pair of cylinders arranged outside the cooling enclosure.
Due to the similarity between the two apparatus, the same reference numbers have been used for identical parts of the two apparatus. For a better understanding of the drawing, the diameter of bore of the nozzle, as well as the diameter and curvature of the trajectory of the jet and of the wire, have been exaggerated.
Fig. 1 shows a crucible 1 which contains liquid metal 2 which has been melted by the heating element 3 sur-rounding the crucible 1. A nozzle 4 is arranged in the wall of the crucible 1. A pressurized enclosure 5 having a pressure gas inlet 6 surrounds the crucible 1~ The cooling enclosure 7 having a cooling gas inlet 8 is arranged with one of its ends along the extension of the nozæle 4. Near the other end of the cooling enclosure 7 there is a spool 9 rotating around an ~093274 axis 10, upon which the wire 12 is wound.
The axis 4' of the borehole of the nozzle 4 forms, in accordance with the invention, an angle ~ with the descendent vertical Z which is close to 100.
The gas in the pressurized enclosure 5 is under sufficient pressure to project the liquid or molten metal 2 through the nozzle 4 into the cooling enclosure 7.
The walls of the cooling enclosure 7 are approximately parallel to the trajectory of the jet 11 and - after solidifica-tion of the latter - of the wire 12. The trajectory of the jet 11 and of the wire 12 is substantially parabolic from the nozzle 4 up to the point of contact 13 of the wire 12 and the device 14 which limits the range of the trajectory of the wire 12.
This range limiting device 14 forms the end portion of the cooling enclosure 7 and has the shape of a concave surface with its concavity facing the wire 12. The tangent T (See Fig. lA) to the trajectory of the wire 12 at the point of contact 13 with the surface 14 forms an acute angle ~ with the tangent T' at the point 13 to the surface 14. Starting from the point of contact 13 of the wire 12 with the surface 14, the wire follows a trajectory which converges towards the spool 9 upon which it is wound. The driving device for the spool 9 has not been shown.
The trajectory of the jet 11 and of the wire 12 being practically horizontal, the component g of the weight G of the wire 12 at the selected point P, along the tangent to the trajectory, is very small in accordance with the in-vention. At the selected point P, the component g does not exert a traction but rather a slight compression on the jet 11. One thus increases the available length of the jet 11 so as to solidify it in the form of wire 12, as compared with the known apparatus. Thus any increase of the angle ~ up to _ 5 _ 1093Z~74 180 makes it possible to increase the available length of the jet 11 for the solidifying of it, which makes it possible to increase the diameter of the jet 11 and therefore of the wire 12 produced by means of the apparatus of the invention, as has already been shown in the examples described further above.
Fig. 2 shows an apparatus having a device 20 which limits the horizontal range of the trajectory of the wire 12, arranged outside the cooling enclosure 7. The wire 12 emerges from the end portion of the cooling enclosure 7 and engages practically tangentially between two cylinders 21 and 22 turning in opposite directions in the direction of advance of the wire 12, with a speed close to that of the wire 12, around two stationary axes 210 and 220~ The driving device for the two cylinders 21 and 22 has not been shown. Upon emergence from the range limiting device 20, the wire 12 converges towards the winding spool 23.
However, the fundamental principle of the invention applies to the manufacture of continuous wires whatever the liquid raw material projected in the form of a jet into a cooling medium.
In accordance with a preferred variant of the present invention, after the continuity of the wire has been established, a device limiting the horizontal range of the trajectory of the wire, which in first approximation is parabolic, can be intro-duced into said trajectory in order to avoid an increase in the dimensions of the apparatus of the invention.
Such a range limiting device, although forming part of the wire receiving and/or transforming device, can be attached in the cooling enclosure, or it may be outside of said enclosure, This range limiting device can advantageously be de-veloped in one of the following manners.
It can be formed of a flat surface or a concave sur-face with a concavity facing preferably towards the wire. At the point of contact of the wire with said surface, the tangent to the trajectory of the wire may suitably form an acute angle, for instance an angle of less than 30, with the tangent to said surface. The trajectory is thus diverted but not disturbed.
The range limiting device can also have the form of two cylinders rotatable around two parallel fixed axes at a speed close to that of the wire and in the same direc-tion as the latter, the wire being engageable between the two ` i~J93Z74 cyllnders. At the outlet of this range limiting device, the wire follows a different path. Thus it is convenient to orient this range limiting device with respect to the trajectory of the wire in such a manner that the emerging wire has a trajectory which converges towards the wire receiving and/or transforming device.
The figures of the drawing, a description of which follows, serve to diagrammatically illustrate the invention and not to limit it. In the drawings, Figs. 1, lA and 2 rep-resent cross sections along a vertical plane containing thetrajectory of the jet and of the wire, in apparatus in accor-dance with the invention. More precisely, Figs. 1 and lA show an apparatus provided with a device limiting the horizontal range of the trajectory of the wire, formed of a concave surface attached within the cooling enclosure, and Fig. 2 shows a similar apparatus, but the device limiting the hori-zontal range of the trajectory of the wire is formed of a pair of cylinders arranged outside the cooling enclosure.
Due to the similarity between the two apparatus, the same reference numbers have been used for identical parts of the two apparatus. For a better understanding of the drawing, the diameter of bore of the nozzle, as well as the diameter and curvature of the trajectory of the jet and of the wire, have been exaggerated.
Fig. 1 shows a crucible 1 which contains liquid metal 2 which has been melted by the heating element 3 sur-rounding the crucible 1. A nozzle 4 is arranged in the wall of the crucible 1. A pressurized enclosure 5 having a pressure gas inlet 6 surrounds the crucible 1~ The cooling enclosure 7 having a cooling gas inlet 8 is arranged with one of its ends along the extension of the nozæle 4. Near the other end of the cooling enclosure 7 there is a spool 9 rotating around an ~093274 axis 10, upon which the wire 12 is wound.
The axis 4' of the borehole of the nozzle 4 forms, in accordance with the invention, an angle ~ with the descendent vertical Z which is close to 100.
The gas in the pressurized enclosure 5 is under sufficient pressure to project the liquid or molten metal 2 through the nozzle 4 into the cooling enclosure 7.
The walls of the cooling enclosure 7 are approximately parallel to the trajectory of the jet 11 and - after solidifica-tion of the latter - of the wire 12. The trajectory of the jet 11 and of the wire 12 is substantially parabolic from the nozzle 4 up to the point of contact 13 of the wire 12 and the device 14 which limits the range of the trajectory of the wire 12.
This range limiting device 14 forms the end portion of the cooling enclosure 7 and has the shape of a concave surface with its concavity facing the wire 12. The tangent T (See Fig. lA) to the trajectory of the wire 12 at the point of contact 13 with the surface 14 forms an acute angle ~ with the tangent T' at the point 13 to the surface 14. Starting from the point of contact 13 of the wire 12 with the surface 14, the wire follows a trajectory which converges towards the spool 9 upon which it is wound. The driving device for the spool 9 has not been shown.
The trajectory of the jet 11 and of the wire 12 being practically horizontal, the component g of the weight G of the wire 12 at the selected point P, along the tangent to the trajectory, is very small in accordance with the in-vention. At the selected point P, the component g does not exert a traction but rather a slight compression on the jet 11. One thus increases the available length of the jet 11 so as to solidify it in the form of wire 12, as compared with the known apparatus. Thus any increase of the angle ~ up to _ 5 _ 1093Z~74 180 makes it possible to increase the available length of the jet 11 for the solidifying of it, which makes it possible to increase the diameter of the jet 11 and therefore of the wire 12 produced by means of the apparatus of the invention, as has already been shown in the examples described further above.
Fig. 2 shows an apparatus having a device 20 which limits the horizontal range of the trajectory of the wire 12, arranged outside the cooling enclosure 7. The wire 12 emerges from the end portion of the cooling enclosure 7 and engages practically tangentially between two cylinders 21 and 22 turning in opposite directions in the direction of advance of the wire 12, with a speed close to that of the wire 12, around two stationary axes 210 and 220~ The driving device for the two cylinders 21 and 22 has not been shown. Upon emergence from the range limiting device 20, the wire 12 converges towards the winding spool 23.
Claims (16)
1. An apparatus for manufacturing a wire by projecting a jet of liquid metal or metal alloy into a cooling medium com-prising a crucible for containing the liquid metal or metal alloy and having a heating element and at least one nozzle, means for exerting pressure on the liquid metal or metal alloy sufficient to project it in the form of a jet through the nozzle into the cooling medium, a cooling enclosure arranged along an extension of the nozzle, and a wire receiving device, character-ized by the fact that the axis of the nozzle forms an angle other than 0° and less than 180° with the descendent vertical.
2. The apparatus according to claim 1, character-ized by the fact that the axis of the nozzle forms an angle of at least 60° with the descendent vertical.
3. The apparatus according to claim 1, character-ized by the fact that the wire receiving device comprises a device limiting the horizontal range of the trajectory of the wire.
4. The apparatus according to claim 3, character-ized by the fact that the device limiting the horizontal range of the trajectory of the wire is attached in the cooling enclosure or is outside of said enclosure.
5. The apparatus according to claim 3, character-ized by the fact that the device limiting the horizontal range of the trajectory of the wire is formed of a flat surface or a concave surface with a concavity facing the wire, and is arranged in such a manner that at the point of contact of the wire with said surface the tangent to the trajectory of the wire forms an acute angle of preferably less than 30°
with the tangent to said surface.
with the tangent to said surface.
6. The apparatus according to claim 3, character-ized by the fact that the device limiting the horizontal range of the trajectory of the wire is formed of two cylinders rotatable around two parallel fixed axes at a speed close to that of the wire and in the same direction as the latter, the wire being engageable between the two cylinders.
7. The apparatus according to claim 3, character-ized by the fact that the device limiting the horizontal range of the trajectory of the wire is so oriented that the wire emerging from said range limiting device has a trajectory which converges towards the wire receiving device.
8. The process for the manufacture of metal wires, particularly of steel, by means of an apparatus according to claim 1.
9. An apparatus for manufacturing a wire having a diameter in excess of about 0.2 mm by projecting a jet of liquid metal or metal alloy into a cooling medium, comprising a crucible for containing the liquid metal or metal alloy and having a heating element and at least one nozzle, means for exerting pressure on the liquid metal or metal alloy sufficient to project it in the form of a jet through the nozzle into the cooling medium, a cooling enclosure arranged along an extension of the nozzle and containing the cooling medium in which the transformation of the liquid jet into solid wire takes place, and a wire receiving device, characterized by the fact that the axis of the nozzle forms an angle of at least 60° and less than 180° with the descendent vertical and by the fact that the jet and wire have a substantially parabolic trajectory.
10. The apparatus according to claim 9, charac-terized by the fact that the axis of the nozzle forms an angle of at least 100° with the descendent vertical.
11. The apparatus according to claim 9, charac-terized by the fact that the wire receiving device comprises a device limiting the horizontal range of the trajectory of the wire.
12. The apparatus according to claim 11, charac-terized by the fact that the device limiting the horizontal range of the trajectory of the wire is attached in the cooling enclosure or is outside of said enclosure.
13. The apparatus according to claim 11, charac-terized by the fact that the device limiting the horizontal range of the trajectory of the wire is formed of a flat surface or a concave surface with a concavity facing the wire, and is arranged in such a manner that at the point of contact of the wire with said surface the tangent to the trajectory of the wire forms an acute angle of preferably less than 30° with the tangent to said surface.
14. The apparatus according to claim 11, charac-terized by the fact that the device limiting the horizontal range of the trajectory of the wire is formed of two cylinders rotatable around two parallel fixed axes at a speed close to that of the wire and in the same direction as the latter, the wire being engageable between the two cylinders.
15. The apparatus according to claim 11, charac-terized by the fact that the device limiting the horizontal range of the trajectory of the wire is so oriented that the wire emerging from said range limiting device has a trajectory which converges towards the wire receiving device.
16. The apparatus according to claim 9, charac-terized by the fact that the cooling enclosure walls are approximately parallel to the substantially parabolic trajectory of the jet and of the wire.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7631800A FR2367560A1 (en) | 1976-10-15 | 1976-10-15 | DEVELOPMENT AT INSTA |
| FR76-31800 | 1976-10-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1093274A true CA1093274A (en) | 1981-01-13 |
Family
ID=9179063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA288,760A Expired CA1093274A (en) | 1976-10-15 | 1977-10-14 | Apparatus for manufacturing a wire by projecting a jet of liquid metal into a cooling medium |
Country Status (12)
| Country | Link |
|---|---|
| JP (1) | JPS59307B2 (en) |
| AT (1) | AT357711B (en) |
| AU (1) | AU511745B2 (en) |
| BE (1) | BE859792A (en) |
| CA (1) | CA1093274A (en) |
| DE (1) | DE2746393C3 (en) |
| ES (1) | ES463221A1 (en) |
| FR (1) | FR2367560A1 (en) |
| GB (1) | GB1587275A (en) |
| IT (1) | IT1090891B (en) |
| LU (1) | LU78325A1 (en) |
| SE (1) | SE426028B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4736789A (en) * | 1978-07-28 | 1988-04-12 | Kennecott Corporation | Apparatus and method for continuous casting of metallic strands at exceptionally high speeds using an oscillating mold assembly |
| JPS5548460A (en) * | 1978-10-04 | 1980-04-07 | Takaoka Kogyo Kk | Cooling method for product of continuous casting |
| FR2462217A1 (en) * | 1979-08-01 | 1981-02-13 | Michelin & Cie | METHOD AND INSTALLATION FOR MANUFACTURING A METAL WIRE FROM A MOLTEN METAL JET |
| CA1196465A (en) * | 1980-06-09 | 1985-11-12 | George Shinopulos | Apparatus and method for continuous casting of metallic strands at exceptionally high speeds using oscillating mold assembly |
| JPH076047B2 (en) * | 1982-12-07 | 1995-01-25 | 住友電気工業株式会社 | Shape memory alloy manufacturing method |
| FI112447B (en) * | 1997-04-29 | 2003-12-15 | Outokumpu Oy | Method and apparatus for upward casting of metal wires, rods and pipes |
| CN107138698B (en) * | 2017-05-05 | 2019-04-16 | 哈尔滨工业大学 | A kind of metal or alloy wire rod preparation facilities and the method for preparing metal or alloy wire rod with the device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5410530B2 (en) * | 1972-06-29 | 1979-05-08 |
-
1976
- 1976-10-15 FR FR7631800A patent/FR2367560A1/en active Granted
-
1977
- 1977-10-14 CA CA288,760A patent/CA1093274A/en not_active Expired
- 1977-10-14 ES ES463221A patent/ES463221A1/en not_active Expired
- 1977-10-14 DE DE19772746393 patent/DE2746393C3/en not_active Expired
- 1977-10-14 IT IT6930177A patent/IT1090891B/en active
- 1977-10-15 JP JP52123967A patent/JPS59307B2/en not_active Expired
- 1977-10-17 AT AT740677A patent/AT357711B/en not_active IP Right Cessation
- 1977-10-17 SE SE7711661A patent/SE426028B/en not_active IP Right Cessation
- 1977-10-17 GB GB4315077A patent/GB1587275A/en not_active Expired
- 1977-10-17 AU AU29782/77A patent/AU511745B2/en not_active Expired
- 1977-10-17 LU LU78325A patent/LU78325A1/xx unknown
- 1977-10-17 BE BE181793A patent/BE859792A/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| DE2746393C3 (en) | 1980-08-14 |
| AT357711B (en) | 1980-07-25 |
| LU78325A1 (en) | 1978-06-12 |
| SE426028B (en) | 1982-12-06 |
| ATA740677A (en) | 1979-12-15 |
| JPS59307B2 (en) | 1984-01-06 |
| SE7711661L (en) | 1978-04-16 |
| DE2746393B2 (en) | 1979-12-06 |
| FR2367560B1 (en) | 1980-03-21 |
| IT1090891B (en) | 1985-06-26 |
| DE2746393A1 (en) | 1978-04-20 |
| FR2367560A1 (en) | 1978-05-12 |
| JPS5348932A (en) | 1978-05-02 |
| ES463221A1 (en) | 1978-07-01 |
| BE859792A (en) | 1978-02-15 |
| AU2978277A (en) | 1979-04-26 |
| AU511745B2 (en) | 1980-09-04 |
| GB1587275A (en) | 1981-04-01 |
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