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7406853 |
Rolling machine and method thereof
In the transverse wedge rolling machine as claimed in the invention the drive motor is a permanent magnet motor, especially a torque motor. Furthermore the rotational speed of the rollers is...
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6498324 |
Induction heating device for rolling roller and method of induction heating
An induction heating device is disclosed for heating a rolling roller by induction heating so as to equalize the diameter of the rolling roller. The device includes an induction heater and a means...
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6189352 |
Drive device for roll stands
A driving arrangement for rolling stands of a rolling mill, is described. The driving arrangement includes a control system which prescribes desired values for the rolling stands via control units,...
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6128934 |
Stretch reduction mill
A method and apparatus that provides a multiple-stand stretch reduction mill. A single master controller monitors and controls the roll speed at each roll stand in the mill, automatically and...
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5860310 |
Mill train having at least one roll stand with an AC drive system
A mill train comprising: at least one roll stand for rolling rolling stock; at least one AC motor operatively coupled to the roll stand to drive same; and a controller for controlling the motor,...
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5806357 |
System and method for rolling tapered slabs
A method and a device are provided for rolling a slab, in particular a slab whose thickness varies over its length, using at least two roll stands with a substantially constant and preferably low...
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4942543 |
Method for regulating the pull in continuous rolling trains and rolling train which adopts said method
Method to regulate the pull in continuous rolling trains, in which the value of a reference speed (V) is monitored in conditions where a bar is substantially free (not under drawing action) while...
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4882923 |
Continuous mill plant for rolling steel plates
A continuous mill plant for rolling steel plates having one or a plurality of rolling mills. The ratio of maximum rolling speed to minimum rolling speed of the plant is at least 3.0 but no more...
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4658363 |
Method of increasing the productivity of reversing plate mills
A method of improving the productivity and yield of a reversing plate mill comprises installing coiler furnaces on the upstream and downstream sides of the mill. Thereafter, a supply of extra large...
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4614099 |
Rolling mill
Upper and lower reducing rolls are mounted within a mill housing for rotation about their axes and for parallel movement. Actuating cylinders force the upper reducing roll downward toward the lower...
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4389865 |
Drive system for edger mill
An edger mill having a pair of edging rolls mounted for variable positioning apart from each other is powered by a plurality of electric motors driving the rolls from above, having a long shaft...
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4167105 |
Tandem mill drive control system
A rolling mill section for rolling or roughing slab, plate, billet or structural section is provided with a load sensing arrangement for determining if the extent of non-synchronization between the...
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3863479 |
APPARATUS FOR THE PRODUCTION OF A TUBE
A machine for producing a large diameter tube from strip sheet metal material comprises a frame, a profiling station and a folding station. The frame comprises lower and upper rings which are...
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3811304 |
LOOPER CONTROLLED ROLLING MILL
A Rod and Bar Merchant mill is described wherein the output signals from the loopers measuring the loop depth between stands is amplified by increasing factors with increased loop depth beyond a...
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3333446 |
Sheet metal leveling and shearing apparatus and method
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3314264 |
Apparatus for controlling the speed of the drive motors for driving the roll stands of a multiple-stand rolling mill
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3312091 |
Control system for material reducing apparatus
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3217520 |
Blooming mill reversal
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3187530 |
Processing uncoiler
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3084314 |
Thickness control servosystem
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3078746 |
Gage control system for strip mill
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3064713 |
Magnetic anti-sag mount for leveler rolls
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3028114 |
Arrangement for coiling metal strip material
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2997076 |
Coil winding machine
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2983170 |
System for controlling the gage of strip produced by a continuous rolling mill
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2959992 |
Master control device for rolling mills and the like
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2949799 |
Gage-control system for multi-stand strip mill
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2790530 |
Conveyor systems
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2784620 |
Rolling mill
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