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Patent No. 5926857

Armor With Rollers

An armor with rollers is provided that enables a user to move in all positions by rolling on a hard and smooth surface while constantly varying his bearing points on the ground.

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Class 72/9.2 - Sensing thickness


Subclass of Class 72 - Metal deforming
Definition: Subject matter wherein the work includes a greater and a
No. of patents: 84
Last issue date: 04/10/2012


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NumberTitleIssue Date
8151612Elongation rolling control method
An elongation rolling control method is provided which can manufacture a hollow shell of high dimensional accuracy and can suppress rolling problems. It is an elongation rolling control method in which the groove bottom wall thickness of a hollow shell P in stand #
04/10/2012
7849722Method and plant for integrated monitoring and control of strip flatness and strip profile
Apparatus and method of controlling strip geometry in casting strip having a rolling mill. A target thickness profile is calculated as a function of the measured entry thickness profile of the strip while satisfying profile and flatness operating requirements. A dif...
12/14/2010
7707865Flaw detection apparatus and method for tubes
A flaw detection apparatus and flaw detection method for automatically detecting the occurrence of a flaw in a mother tube manufactured by rolling a hollow shell using a mandrel mill are provided. A flaw detection apparatus (100) according to the present inve...
05/04/2010
7333925Manufacturing method and manufacturing apparatus of pipe, thickness deviation information derivation apparatus, and computer program
A complex Fourier transform is performed on measured values of wall thickness at points in a cross section of a pipe in an axial direction, types of thickness deviation are classified, thickness deviation amount is calculated from the absolute value of the complex F...
02/19/2008
7293440Method of setting/controlling wedge in plate material rolling
A wedge setup/control method for plate material rolling ensures that the work side and drive side are equal in the rolled plate thickness. The wedge setup/control method, which is used in reversible rolling of a plate material with a rough mill for hot rolling, incl...
11/13/2007
7225652Graphical rolled steel sheet flatness display and method of using same
A method for measuring and displaying the flatness of a rolled steel sheet is disclosed that includes the steps of measuring tension in the sheet at a plurality of locations on the surface of the sheet and determining a plurality of tension ranges into which the sen...
06/05/2007
7185520Dynamic thickness correction
The invention relates to a method and a device for correcting the thickness of a metal strip during rolling comprising a roll stand with adjusting elements to regulate the thickness of the strip and at least one take-up coiler. The object to provide a method and a d...
03/06/2007
7143643Spring load correction method and device
A spring has a fixed end and a free end, the free end when elevated to a specific elevation from the fixed end produces a load on an object. A spring constant of the spring is calculated, a load correction amount for correcting load of the spring is calculated using...
12/05/2006
7110840Master control system for a rolling mill
A master control system for a rolling mill, especially a mill train, having at least one rolling stand driven by means of a drive system, and the master control system having an automation device for the open-loop and/or closed-loop control of the rolling stand. The...
09/19/2006
7093469Manufacturing method and manufacturing apparatus of pipe, thickness deviation information derivation apparatus, and computer program
A complex Fourier transform is performed on measured values of wall thickness at points in a cross section of a pipe in an axial direction, types of thickness deviation are classified, thickness deviation amount is calculated from the absolute value of the complex F...
08/22/2006
7086260Method and device for controlling the thickness of a rolled product
The invention relates to a method and a device for controlling the final thickness of a rolled product (B) at the outlet of a rolling mill including at least two roll stands (1–5) operating in tandem and associated with a general speed control system of the...
08/08/2006
7076979Method and device for producing curved lengths of spring band steel
In a method and a device for producing curved lengths of spring band steel in order to produce precisely toleranced, dimensionally stable bending radii, the spring band steel (10) pass through a bending unit (20), which is comprised of three support po...
07/18/2006
7028518Method of producing seamless steel tubes
A method of producing a seamless steel tube to enable it to suppress not only the deviations in wall thickness occurring in the direction of reduction in a mandrel mill but also the derivations in thickness occurring at places deviating from the direction of reducti...
04/18/2006
7031797Computer-aided method for determining desired values for controlling elements of profile and surface evenness
Input variables, which describe a metal strip prior to and after the passage of a rolling stand, are fed to a material flow model. The material flow model determines online a rolling force progression in the direction of the width of the strip and fees said progress...
04/18/2006
6948346Method for specifically adjusting the surface structure of rolling stock during cold rolling in skin pass mills
The invention relates to a method for specifically adjusting the surface structure of rolling stock (3) during cold rolling in skin pass mills. The aim of the invention is to partially transfer the surface structure of the working roll (2) onto the rol...
09/27/2005
6945083Method of and apparatus for determining the eccentricity of a hollow billet
The eccentricity of a hollow billet is measured at the outlet of an inclined-roll rolling mill by launching an ultrasonic pulse into the billet from a laser of a measuring device and measuring the transit time of an echo pulse also utilizing a laser and an optical a...
09/20/2005
6856855Method of manufacturing sheet, device and program for controlling sheet thickness, and sheet
A method of controlling the thickness of sheets manufactured by the extrusion of a material from a die having a plurality of thickness adjusting means by repeating, at specified timings, the following steps of 1) measuring the distribution of thickness of the sheets...
02/15/2005
6839605Apparatus and method for diagnosing faults in hot strip finishing rolling
The present invention relates to an apparatus and method for diagnosing faults in hot strip finishing rolling, which diagnoses thickness faults in hot strip finishing rolling, using preset data and real-time data on rolling and control conditions, equation models re...
01/04/2005
6408222Apparatus and a method for controlling thickness of a strip in a twin roll strip casting device
A strip thickness control method in a twin roll strip casting device having a fixed roll and a horizontally movable roll, the method including the steps of: measuring a movement value Gj(θ) of journals of the fixed and movable rolls and a movement value ...
06/18/2002
6305206Reversible rolling method and reversible rolling system
A pass schedule calculation apparatus calculates pass schedule and inputs the schedule to a preset apparatus which is plate thickness control means. The present apparatus controls a draft motor before rolling to set an appropriate initial roll clearance, ...
10/23/2001
6286348Strip thickness controller for rolling mill
A strip thickness controller for a rolling mill, which is capable of reducing a delivery-side strip thickness deviation due to an eccentricity of a backup roll even in a rolling mill incapable of easily performing a kiss-roll. The strip thickness controll...
09/11/2001
6263714Periodic gauge deviation compensation system
A control system is provided for a rolling mill that feeds sheet material from an unwind reel to a rewind reel, passing it between a pair of work rolls. The control system includes a speed sensor for sensing speed of the sheet material and a sensor for me...
07/24/2001
6240757Process and installation for rolling a metal strip
A process for rolling a metal strip, in particular a steel strip, using a cold-rolling train, which is followed by an annealing section and a temper pass section, the outflow thickness, i.e., the setpoint thickness of the metal strip at the outflow from t...
06/05/2001
6216504Traveling sheet thickness changing method for cold tandem roller
Set values of a gauge-alteration-in-rolling amount after the next (i+1)-th stand and subsequent stands are modified, using the rolling results obtained when a leading end of a succeeding material passes through the i-th stand and the gauge results of the ...
04/17/2001
6176112Method and device for dynamic adjustment of the roll gap in a roll stand of a mill train having multiple stands
A method of dynamic adjustment of the roll gap in a roll stand of a mill train having multiple stands for rolling a strip, with a strip stock, i.e., a loop, between two roll stands being adjusted or limited by a loop or a strip stock control, with the dyn...
01/23/2001
6158260Universal roll crossing system
A method for hot rolling and cold rolling metal strip to a finish strip thickness, profile and flatness in a series of rolling mills each having roll bending and roll crossing capabilities to effect a plurality of roll gap profiles. A control method utili...
12/12/2000
6035684Method of rolling strip, particularly metal strip
A method of rolling strip, particularly metal strip, for example, steel strip, in a rolling train with several roll stands arranged one behind the other, wherein the strip enters each of the roll stands with a desired entry thickness and each of the roll ...
03/14/2000
5970764Roll forming apparatus
A roller die apparatus for supporting pairs of roller dies in predetermined clearances for processing a web workpiece, and for varying the clearances between the dies to accommodate variations in the thickness of a web workpiece and having first and secon...
10/26/1999
5966682System for calculating an output of a multi-stage forming process
A system for calculating an output of a multi-stage forming process using a model of the forming process with which the output of the forming process is determined as a function of properties of the forming process. Selected properties of the forming proc...
10/12/1999
5961899Vibration control apparatus and method for calender rolls and the like
A vibration control apparatus (20) and method for a calender (18) for controlling vibration between two or more rolls (ex. 22, 24) which controls vibration induced thickness variations in a medium (27) exiting from the nip. The apparatus (20) includes a f...
10/05/1999
5934129System to control the surface profile of the back-up rolls in four high rolling stands and relative back-up roll
System to control the surface profile of the back-up rolls in four-high rolling stands (11) to produce flat products (14), the four-high rolling stand (11) comprising working rolls (12) and back-up rolls, wherein each back-up roll (13) comprises deforming...
08/10/1999
5927117Methods to measure and control strip shape in rolling
A method to measure strip shape in rolling and a method of using the measuring method to control the same are provided in present invention, which can dramatically simplify the computation during the measurement of strip shape. On the basis of a prior mat...
07/27/1999
5875663Rolling method and rolling mill of strip for reducing edge drop
It is possible, in a rolling method of a strip shifting one-side-tapered work rolls in the axial direction and causing the upper and the lower work rolls to cross each other, to appropriately set a quantity of shift and a crossing angle and to improve an ...
03/02/1999
5860304Strip crown measuring method and control method for continuous rolling machines
In the continuous rolling mills, the strip crown and the strip flatness of a strip can be controlled to any desired value. In the strip crown measuring method, the strip crown of the first stage rolling mill can be obtained by adding the set target strip ...
01/19/1999
5816144Precision roll stand
A precision roll stand includes a roll housing absorbing the rolling forces. In the roll housing rolls constituting a roll pair with their roll chocks are mounted so as to be rotatable and mutually adjustable by an adjustment device which changes the axia...
10/06/1998
5771724Method and apparatus for an anticipatory thickness control in foil rolling
A method and an apparatus for an anticipatory thickness control in foil rolling by using characteristic lines stored in a process control computer of the individual manipulated variables (for example, strip tensions, rolling speeds) for various operating ...
06/30/1998
5758535Method of producing corrugated fins
A method of producing corrugated fins employing a fin mill machine (12) for forming strip stock (14) into corrugated fins (16) to form heat exchanger fins or the like. A fin mill machine (12) that can carry out the method includes a tension control subsys...
06/02/1998
5761066Device for regulating the thickness of rolling stock
A device is provided for regulating the thickness of rolling stock in a roller stand. The device includes a control device that controls the roller adjustment of the roller stand as a function of the deviation between a reference thickness value (h*) and ...
06/02/1998
5651281Method and apparatus for rolling rolled strips
A method for rolling rolled strips 3, 4 in a hot strip rolling mill 6, comprises at least two roll stands 6, 7, with horizontally adjustable top and bottom work rolls 10, 11. Each work roll is backed up directly or through an intermediate roll by a backup...
07/29/1997
5647237Process for suppressing the influence of roll eccentricities
In a previous process, the influence of roll eccentricities on the output thickness of the rolled material in a roll stand is suppressed by simulating the output signal of an oscillator and supplying this value to a position or thickness control for the r...
07/15/1997
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