US3650139A - Rolling stand, particularly for the shaping of a cast bar immediately upon leaving a continuous casting plant - Google Patents
Rolling stand, particularly for the shaping of a cast bar immediately upon leaving a continuous casting plant Download PDFInfo
- Publication number
- US3650139A US3650139A US844337A US3650139DA US3650139A US 3650139 A US3650139 A US 3650139A US 844337 A US844337 A US 844337A US 3650139D A US3650139D A US 3650139DA US 3650139 A US3650139 A US 3650139A
- Authority
- US
- United States
- Prior art keywords
- rolls
- base frame
- transmission gears
- rolling stand
- drive
- 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
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B13/00—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories
- B21B13/06—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories with axes of rolls arranged vertically, e.g. edgers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B35/00—Drives for metal-rolling mills, e.g. hydraulic drives
- B21B35/12—Toothed-wheel gearings specially adapted for metal-rolling mills; Housings or mountings therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B13/00—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories
- B21B13/22—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories for rolling metal immediately subsequent to continuous casting, i.e. in-line rolling of steel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B31/00—Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B31/00—Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
- B21B31/02—Rolling stand frames or housings; Roll mountings ; Roll chocks
- B21B31/06—Fastening stands or frames to foundation, e.g. to the sole plate
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B31/00—Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
- B21B31/08—Interchanging rolls, roll mountings, or stand frames, e.g. using C-hooks; Replacing roll chocks on roll shafts
- B21B31/12—Interchanging rolls, roll mountings, or stand frames, e.g. using C-hooks; Replacing roll chocks on roll shafts by vertically displacing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B35/00—Drives for metal-rolling mills, e.g. hydraulic drives
- B21B35/14—Couplings, driving spindles, or spindle carriers specially adapted for, or specially arranged in, metal-rolling mills
Definitions
- ABSTRACT A rolling stand, particularly intended for shaping a cast bar immediately upon leaving a continuous casting plant, is described, comprising two horizontal roll supports having their ends connected by a fixed crossmember on one side and a releasable cap on the other side to form a cage wherein a pair of vertical rolls mounted in inserts is arranged to be horizontally displaceable for adjustment of the roll gap.
- the entire rolling stand including the rolls is detachably mounted on a base frame to be vertically removable therefrom, said base frame containing two transmission gears releasably connected for rotation with the roll shafts and enclosed in suspended casings which are moveable together with said rolls;
- the drive is located below floor and comprises driving spur wheels which are larger than the meshing drive-off spur wheels of the transmission gears by at least half the adjustment range of the rolls to maintain a stresstransrnitting engagement of the gearing irrespective of any shifts occuring on roll gap adjustment.
- the present invention relates to a rolling stand, particularly for the shaping of a cast bar immediately upon leaving a continuous casting plant, with two roll supports in which a vertical pair of rolls with its inserts is arranged to be horizontally displaceable, the roll supports having a rigid cross-connection on one side and a detachable cap connection on the opposite side.
- the problem with continuous casting plants and in particular with multi-bar continuous casting plants is a space-saving arrangement of the rolling stands used for further shaping of the castings subsequent to the casting process.
- the aim is to achieve the closest possible side-by-side arrangement of the rolling stands so that the tundish located above the continuous casting molds may be small and any loss in temperature of the liquid steel kept at a minimum.
- the individual rolling stands have also to be placed in the closest possible tandem arrangement. Due to the low casting speed the feed speed of the casting in the rolling stands is much smaller than with conventional rolling trains, resulting in an undesirably high loss in temperature in the casting to be shaped in case of considerable distances between the individual rolling stands.
- the compact structure of the rolling stands makes roll changing rather difficult and time-consuming. As rolling stands following continuous casting plants cannot work independently from the casting and melting operations, any roll changing or exchange of rolling stands, respectively, must be carried out as quickly as possible in cases of a change of the rolling program or repairs so that the metallurgical operations will remain unaffected.
- this problem is solved by detachably mounting the entire rolling stand inclusive of the rolls on a base frame so that it is vertically removable therefrom, two gears enclosed in a gear casing being suspended side-by-side within the base frame and the roll shafts engaging with said gears.
- each gear casing is detachable connected with a roll shaft, the gear casings being horizontally displaceable together with the rolls to allow the adjustment of the roll gap.
- the roll shafts are preferably designed as spline shafts or as two-edge pieces and the bevel gears detachably arranged thereupon have adequately shaped bores.
- the drive of the rolling stand according to the invention is located below floor in a base pit.
- the drive is preferably suspended from the base frame, the driving gear being connected with the gears located inside the gear casings by spur wheels which are wider than the drive-off spur wheels inside the gear casings by at least half the adjustment stroke of the rolls, so that their displacement does not result in the disengagement of the spur wheels.
- FIG. 1 is a front view of a rolling stand with a sectional view of the suspended driving gears
- FIG. 2 is a side view
- FIG. 3 a plan view of the rolling stand.
- Rolls 1, 2 are mounted in inserts 3, 4 being horizontally guided in U-shaped roll supports 5, 6. At one side the roll supports 5, 6 are rigidly connected by a cross connection 7 and on the opposite side by a detachable cap connection 8 to form a cage-like unit.
- Numerals 9, 10, l1, l2 designate hydraulically operated cylinders for the adjustment of the rolls 1, 2.
- the roll shafts l5, 16 designed either as spline shafts or twoedge pieces can be connected with the bevel gears 20, 21 located in the gear casings I7, 18 and having adequate bores.
- the gear casings 17, 18 are suspended in a base frame 28 and therein horizontally displaceable along the guides 34, 35.
- the base frame 28 consists of the two longitudinal supports 29, 30 held together by two detachable cross-connections 31, 32 and a fixed cross-connection 33.
- the base frame 28 is secured and fixed to the base 36 by centering bolts and anchor screws.
- the rolling stand A is fixed to the base frame 28 by several centering devices 43, 44, 45, 46 and secured by hydraulically operated clamping devices 47, 48, 49, 50, 51, 52 fixed to the base frame 28 or its cross-connections 31, 32, respectively, and acting from below on the roll support 6, said connection being quickly and easily detachable.
- the clamping devices consist of the hydraulically operated cylinders 47, 48, the levers 49, 50, and the clamps 51, 52.
- the gears arranged displaceably in the base frame 28 consist of the bevel gears 20, 21, which can be connected with the roll shafts 15, 16 and are in engagement with the bevel gears 22, 23.
- the bevel gears 22, 23 together with the spur wheels 24, 25 are each fixed to a common shaft 26 and 27.
- the spur wheels 24, 25 are in engagement with the spur wheels 41, 42 of the drive 38, the spur wheels 41, 42 being wider by at least half the adjustment stroke of the rolls 1, 2.
- the drive 38 with the driving gear 39 and the motor 40 is located in a base pit 37 or-as shown in FIGS. 1 and 2suspended from the crossconnection 33 of the base frame 28.
- the torques required for shaping the casting are transmitted by the drive 38 via the spur wheels 41, 42 to the spur wheels 24, 25, which due to the greater width of the spur wheels 41, 42 cannot become disengaged. From the spur wheels 24, 25 the torques are transmitted to the bevel gears 22, 20 and 23, 21, respectively, and to the rolls 1 and 2, respectively.
- the removal of the rolling stand A is effected upon opening the clamping devices 47, 48, 49, 50, 51, 52 by vertical lifting, e.g., by means of a crane.
- the roll shafts 15, 16 are accordingly disengaged from the bevel gears 20, 21.
- the hydraulically operated cylinders 9, 10, ll, 12, and the lubricating spots of the rolling stand A are coupled to their pertinent connecting lines by means of rapid-action connections, not shown. Said connections have to be released before removal.
- a rolling mill assembly for shaping rolling stock including continuously cast bars comprising,
- a drive in communication with the base frame and adapted to drive the transmission gears
- a rolling mill assembly for shaping rolling stock including continuously cast bars comprising,
- a drive in communication with the base frame and having a driving gear with a pair of driving spur wheels
- the driving spur wheels being wider than the drive-off spur shafts in releasable rigid engagement with the transmis- Wheels y at least One-half f the maximum h izon l displacement range of the rolls.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Metal Rolling (AREA)
- Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
Abstract
A rolling stand, particularly intended for shaping a cast bar immediately upon leaving a continuous casting plant, is described, comprising two horizontal roll supports having their ends connected by a fixed crossmember on one side and a releasable cap on the other side to form a cage wherein a pair of vertical rolls mounted in inserts is arranged to be horizontally displaceable for adjustment of the roll gap. According to the invention the entire rolling stand including the rolls is detachably mounted on a base frame to be vertically removable therefrom, said base frame containing two transmission gears releasably connected for rotation with the roll shafts and enclosed in suspended casings which are moveable together with said rolls; the drive is located below floor and comprises driving spur wheels which are larger than the meshing drive-off spur wheels of the transmission gears by at least half the adjustment range of the rolls to maintain a stress-transmitting engagement of the gearing irrespective of any shifts occuring on roll gap adjustment.
Description
United States Patent Hinterholzl [451 Mar. 21, 1972 [54] ROLLING STAND, PARTICULARLY FOR THE SHAPING OF A CAST BAR IMMEDIATELY UPON LEAVING A CONTINUOUS CASTING PLANT [72] Inventor: Ernst Hinterholzl, Linz, Austria [73] Assignee: Vereinigte Osterreichische Eisenund Stahlwerke Aktiengesellschaft, Linz, Austria [22] Filed: July 24, 1969 [21] Appl.No.: 844,337
[30] Foreign Application Priority Data Apr 23, 1969 Austria ..A 3911/69 [52] U.S. Cl ..72/249 [51] Int. Cl. ..B2lb 31/08, B2lb 35/00 [58] Field of Search ..72/238, 239, 249
[56] References Cited UNITED STATES PATENTS 2,31 1,075 2/1943 OMalley ..72/249 X 2,513,058 6/1950 Sheperdson et al ..72/249 Primary Examiner-Francis S. Husar Attorney-Brumbaugh, Graves, Donohue & Raymond [57] ABSTRACT A rolling stand, particularly intended for shaping a cast bar immediately upon leaving a continuous casting plant, is described, comprising two horizontal roll supports having their ends connected by a fixed crossmember on one side and a releasable cap on the other side to form a cage wherein a pair of vertical rolls mounted in inserts is arranged to be horizontally displaceable for adjustment of the roll gap. According to the invention the entire rolling stand including the rolls is detachably mounted on a base frame to be vertically removable therefrom, said base frame containing two transmission gears releasably connected for rotation with the roll shafts and enclosed in suspended casings which are moveable together with said rolls; the drive is located below floor and comprises driving spur wheels which are larger than the meshing drive-off spur wheels of the transmission gears by at least half the adjustment range of the rolls to maintain a stresstransrnitting engagement of the gearing irrespective of any shifts occuring on roll gap adjustment.
2 Claims, 3 Drawing Figures PAIENTEDMARZI I972 3,650,139
[Z02 4 M r-4 #15 I4 TTURA/E Y5 ROLLING STAND, PARTICULARLY FOR THE SHAPING OF A CAST BAR IMMEDIATELY UPON LEAVING A CONTINUOUS CASTING PLANT The present invention relates to a rolling stand, particularly for the shaping of a cast bar immediately upon leaving a continuous casting plant, with two roll supports in which a vertical pair of rolls with its inserts is arranged to be horizontally displaceable, the roll supports having a rigid cross-connection on one side and a detachable cap connection on the opposite side.
The problem with continuous casting plants and in particular with multi-bar continuous casting plants is a space-saving arrangement of the rolling stands used for further shaping of the castings subsequent to the casting process. The aim is to achieve the closest possible side-by-side arrangement of the rolling stands so that the tundish located above the continuous casting molds may be small and any loss in temperature of the liquid steel kept at a minimum. The individual rolling stands have also to be placed in the closest possible tandem arrangement. Due to the low casting speed the feed speed of the casting in the rolling stands is much smaller than with conventional rolling trains, resulting in an undesirably high loss in temperature in the casting to be shaped in case of considerable distances between the individual rolling stands. The compact structure of the rolling stands makes roll changing rather difficult and time-consuming. As rolling stands following continuous casting plants cannot work independently from the casting and melting operations, any roll changing or exchange of rolling stands, respectively, must be carried out as quickly as possible in cases of a change of the rolling program or repairs so that the metallurgical operations will remain unaffected.
According to the invention this problem is solved by detachably mounting the entire rolling stand inclusive of the rolls on a base frame so that it is vertically removable therefrom, two gears enclosed in a gear casing being suspended side-by-side within the base frame and the roll shafts engaging with said gears.
Suitably each gear casing is detachable connected with a roll shaft, the gear casings being horizontally displaceable together with the rolls to allow the adjustment of the roll gap.
The roll shafts are preferably designed as spline shafts or as two-edge pieces and the bevel gears detachably arranged thereupon have adequately shaped bores.
The drive of the rolling stand according to the invention is located below floor in a base pit. The drive is preferably suspended from the base frame, the driving gear being connected with the gears located inside the gear casings by spur wheels which are wider than the drive-off spur wheels inside the gear casings by at least half the adjustment stroke of the rolls, so that their displacement does not result in the disengagement of the spur wheels.
In order that the invention may be more fully understood it will be described by way of example with reference to the accompanying drawings.
FIG. 1 is a front view of a rolling stand with a sectional view of the suspended driving gears,
FIG. 2 is a side view, and
FIG. 3 a plan view of the rolling stand.
The roll shafts l5, 16 designed either as spline shafts or twoedge pieces can be connected with the bevel gears 20, 21 located in the gear casings I7, 18 and having adequate bores.
The gear casings 17, 18 are suspended in a base frame 28 and therein horizontally displaceable along the guides 34, 35. The base frame 28 consists of the two longitudinal supports 29, 30 held together by two detachable cross-connections 31, 32 and a fixed cross-connection 33. The base frame 28 is secured and fixed to the base 36 by centering bolts and anchor screws. The rolling stand A is fixed to the base frame 28 by several centering devices 43, 44, 45, 46 and secured by hydraulically operated clamping devices 47, 48, 49, 50, 51, 52 fixed to the base frame 28 or its cross-connections 31, 32, respectively, and acting from below on the roll support 6, said connection being quickly and easily detachable. In detail the clamping devices consist of the hydraulically operated cylinders 47, 48, the levers 49, 50, and the clamps 51, 52.
The gears arranged displaceably in the base frame 28 consist of the bevel gears 20, 21, which can be connected with the roll shafts 15, 16 and are in engagement with the bevel gears 22, 23. The bevel gears 22, 23 together with the spur wheels 24, 25 are each fixed to a common shaft 26 and 27. The spur wheels 24, 25 are in engagement with the spur wheels 41, 42 of the drive 38, the spur wheels 41, 42 being wider by at least half the adjustment stroke of the rolls 1, 2. The drive 38 with the driving gear 39 and the motor 40 is located in a base pit 37 or-as shown in FIGS. 1 and 2suspended from the crossconnection 33 of the base frame 28.
The torques required for shaping the casting are transmitted by the drive 38 via the spur wheels 41, 42 to the spur wheels 24, 25, which due to the greater width of the spur wheels 41, 42 cannot become disengaged. From the spur wheels 24, 25 the torques are transmitted to the bevel gears 22, 20 and 23, 21, respectively, and to the rolls 1 and 2, respectively.
The removal of the rolling stand A is effected upon opening the clamping devices 47, 48, 49, 50, 51, 52 by vertical lifting, e.g., by means of a crane. The roll shafts 15, 16 are accordingly disengaged from the bevel gears 20, 21. The hydraulically operated cylinders 9, 10, ll, 12, and the lubricating spots of the rolling stand A are coupled to their pertinent connecting lines by means of rapid-action connections, not shown. Said connections have to be released before removal.
Other assembly activities on the rolling stands, such as roll changing, adjusting the roll gap, the axial adjustment of the rolls and the like, as well as repair and maintenance tasks are done outside the steel mill at roll workshops, a fully assembled and adjusted rolling stand being meanwhile installed in the rolling train. The provision of an exchange rolling stand allows short-term unproblematic roll changing with minimum stoppages.
What I claim is:
l. A rolling mill assembly for shaping rolling stock including continuously cast bars comprising,
a base frame,
two horizontally displaceable gear casings suspended sideby-side in the base frame,
two transmission gears, one of the transmission gears enclosed in each of the gear casings,
a drive in communication with the base frame and adapted to drive the transmission gears,
a rolling stand detachably mounted on the base frame,
a pair of horizontally displaceable vertical rolls mounted in the rolling stand,
a pair of shafts, one of the shafts rigidly connected to each of the rolls and projecting downwardly therefrom, and
the shafts in releasable rigid engagement with the transmission gears, a horizontal displacement of the rolls providing a similar and corresponding displacement of the gear casings.
2. A rolling mill assembly for shaping rolling stock including continuously cast bars comprising,
a base frame,
two horizontally displaceable gear casings suspended sideby-side in the base frame,
two transmission gears, one of the transmission gears enclosed in each of the gear casings, and each transmission gear having a drive-off spur wheel,
a drive in communication with the base frame and having a driving gear with a pair of driving spur wheels,
a rolling stand detachably mounted on the base frame,
a pair of horizontally displaceable vertical rolls mounted in the rolling stand,
a pair of shafts, one of the shafts rigidly connected to each casings, and
of the rolls and projecting downwardly therefrom, the the driving spur wheels being wider than the drive-off spur shafts in releasable rigid engagement with the transmis- Wheels y at least One-half f the maximum h izon l displacement range of the rolls.
sion gears, a horizontal displacement of the rolls providing a similar and corresponding displacement of the gear
Claims (2)
1. A rolling mill assembly for shaping rolling stock including continuously cast bars comprising, a base frame, two horizontally displaceable gear casings suspended side-byside in the base frame, two transmission gears, one of the transmission gears enclosed in each of the gear casings, a drive in communication with the base frame and adapted to drive the transmission gears, a rolling stand detachably mounted on the base frame, a pair of horizontally displaceable vertical rolls mounted in the rolling stand, a pair of shafts, one of the shafts rigidly connected to each of the rolls and projecting downwardly therefrom, and the shafts in releasable rigid engagement with the transmission gears, a horizontal displacement of the rolls providing a similar and corresponding displacement of the gear casings.
2. A rolling mill assembly for shaping rolling stock including continuously cast bars comprising, a base frame, two horizontally displaceable gear casings suspended side-by-side in the base frame, two transmission gears, one of the transmission gears enclosed in each of the gear casings, and each transmission gear having a drive-off spur wheel, a drive in communication with the base frame and having a driving gear with a pair of driving spur wheels, a rolling stand detachably mounted on the base frame, a pair of horizontally displaceable vertical rolls mounted in the rolling stand, a pair of shafts, one of the shafts rigidly connected to each of the rolls and projecting downwardly therefrom, the shafts in releasable rigid engagement with the transmission gears, a horizontal displacement of the rolls providing a similar and corresponding displacement of the gear casings, and the driving spur wheels being wider than the drive-off spur wheels by at least one-half of the maximum horizontal displacement range of the rolls.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT391169A AT296198B (en) | 1969-04-23 | 1969-04-23 | Rolling stand releasably fastened to a foundation frame and liftable in the vertical direction, in particular for the deformation of a cast strand exiting directly from a continuous casting plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US3650139A true US3650139A (en) | 1972-03-21 |
Family
ID=3557107
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US844337A Expired - Lifetime US3650139A (en) | 1969-04-23 | 1969-07-24 | Rolling stand, particularly for the shaping of a cast bar immediately upon leaving a continuous casting plant |
Country Status (12)
| Country | Link |
|---|---|
| US (1) | US3650139A (en) |
| AT (1) | AT296198B (en) |
| BE (1) | BE749356A (en) |
| BR (1) | BR7018233D0 (en) |
| CA (1) | CA931394A (en) |
| CH (1) | CH504908A (en) |
| CS (1) | CS153076B2 (en) |
| DE (2) | DE2018384A1 (en) |
| ES (1) | ES378394A1 (en) |
| FR (1) | FR2046274A5 (en) |
| GB (1) | GB1298592A (en) |
| SE (1) | SE372435B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6526795B1 (en) * | 2000-05-09 | 2003-03-04 | Mario Fabris | Expanding spline drive for high torque |
| CN105478489A (en) * | 2015-12-31 | 2016-04-13 | 中钢集团西安重机有限公司 | Connecting shaft self-balancing bracket device with floating adjusting function and adjusting method |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10052734A1 (en) * | 2000-10-25 | 2002-05-02 | Sms Demag Ag | Device for driving a pair of vertical rollers or their support shafts, which are stored in bearing chocks |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2311075A (en) * | 1940-03-05 | 1943-02-16 | Morgan Construction Co | Rolling mill |
| US2513058A (en) * | 1945-04-09 | 1950-06-27 | Morgan Construction Co | Vertical rolling mill |
-
1969
- 1969-04-23 AT AT391169A patent/AT296198B/en not_active IP Right Cessation
- 1969-07-24 US US844337A patent/US3650139A/en not_active Expired - Lifetime
-
1970
- 1970-02-18 CA CA075172A patent/CA931394A/en not_active Expired
- 1970-03-06 GB GB00965/70A patent/GB1298592A/en not_active Expired
- 1970-04-09 ES ES378394A patent/ES378394A1/en not_active Expired
- 1970-04-14 BR BR218233/70A patent/BR7018233D0/en unknown
- 1970-04-16 CH CH565570A patent/CH504908A/en not_active IP Right Cessation
- 1970-04-16 CS CS257870A patent/CS153076B2/cs unknown
- 1970-04-17 DE DE19702018384 patent/DE2018384A1/en active Pending
- 1970-04-17 DE DE7014070U patent/DE7014070U/en not_active Expired
- 1970-04-20 SE SE7005420A patent/SE372435B/xx unknown
- 1970-04-21 FR FR7014445A patent/FR2046274A5/fr not_active Expired
- 1970-04-22 BE BE749356D patent/BE749356A/en unknown
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2311075A (en) * | 1940-03-05 | 1943-02-16 | Morgan Construction Co | Rolling mill |
| US2513058A (en) * | 1945-04-09 | 1950-06-27 | Morgan Construction Co | Vertical rolling mill |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6526795B1 (en) * | 2000-05-09 | 2003-03-04 | Mario Fabris | Expanding spline drive for high torque |
| CN105478489A (en) * | 2015-12-31 | 2016-04-13 | 中钢集团西安重机有限公司 | Connecting shaft self-balancing bracket device with floating adjusting function and adjusting method |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2046274A5 (en) | 1971-03-05 |
| DE2018384A1 (en) | 1970-11-19 |
| CA931394A (en) | 1973-08-07 |
| SE372435B (en) | 1974-12-23 |
| BE749356A (en) | 1970-10-01 |
| CH504908A (en) | 1971-03-31 |
| DE7014070U (en) | 1970-08-20 |
| CS153076B2 (en) | 1974-02-22 |
| BR7018233D0 (en) | 1973-05-24 |
| AT296198B (en) | 1972-02-10 |
| ES378394A1 (en) | 1973-02-01 |
| GB1298592A (en) | 1972-12-06 |
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