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A method of swing on a swing is disclosed, in which a user positioned on a standard swing suspended by two chains from a substantially horizontal tree branch induces side to side motion by pulling alternately on one chain and then the other.
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| Number | Title | Issue Date |
| 7426844 | Device for loading the guide surfaces of bearing chocks supported in the housing windows of rolling stands A device for loading the guide surfaces of bearing chocks (LS) supported in the housing windows (SF) of rolling stands with pressure plates (DP) that can be placed on the guide surfaces and that can be loaded by a hydraulic piston (K) supported in the rolling stand ... | 09/23/2008 |
| 7383711 | CNC leveler Embodiments of a leveler that may be controlled by a computer are provided. The leveler may include a top frame that has at least a first set of rolls mounted thereon. The top frame includes a plurality of operatively associated ball screw assemblies that enable mov... | 06/10/2008 |
| 7368827 | Electrical assembly for monitoring conditions in a combustion turbine operating environment An electrical assembly for use in various operating environments such as a casing of a combustion turbine 10 is provided. The assembly may include an electrical energy-harvesting device 51 disposed in a component within the casing of the turbine to con... | 05/06/2008 |
| 7320237 | Method for measuring misalignment of continuance mill and apparatus for measuring the same While a reference means having a positional relationship to the pass-line of a continuance mill determined in advance and caliber profile (area enclosed by the groove profile of a rolling roll) formed by a rolling roll at each stand are imaged within the same visual... | 01/22/2008 |
| 7318267 | Strip production equipment Arranged are a twin- or single-roll continuous casting machine supplied with molten metal from a tundish arranged above so as to continuously cast a strip with a predetermined width, a trimmer arranged downstream of the continuous casting machine to trim widthwise e... | 01/15/2008 |
| 7310985 | Rolling device A rolling device with at least two rolls installed in a common stand, the rolls being mounted on lateral stringers by bearings, which are able to move vertically along the lateral stringers, and with at least one axial adjusting device for one of the rolls. The axia... | 12/25/2007 |
| 7310982 | Rolling method and rolling apparatus for flat-rolled metal materials The invention provides a rolling method for a flat-rolled metal material and a rolling apparatus for the method each capable of stably producing a flat-rolled metal material free from camber or having an extremely light camber. The method is a rolling method of a fl... | 12/25/2007 |
| 7299672 | Bridle unit A bridle unit assigned to a rolling stand with several rolls arranged in adjustable positions below and above the strip flow, which can be moved by means of a drive from an initial position to the strip and from the strip back into the initial position, wherein the ... | 11/27/2007 |
| 7293443 | Method for manufacturing seamless pipes or tubes A method for manufacturing a seamless pipe, capable of preventing the carburization phenomenon that occurs in a manufacturing process of pipe and simplifying an elongation rolling process, is provided. In this method, after piercing in the piercing rolling process, ... | 11/13/2007 |
| 7251978 | Roll stand for producing plane roll strips having a desired strip profile superelevation The aim of the invention is to improve known roll stands (10) which are characterized by working rolls (1,2) of various diameters, in such a way that a strip is obtained which is largely free of tensions and undulations, has a desired strip profile sup... | 08/07/2007 |
| 7231795 | Automatic rolling machine with flat chasers An automatic rolling machine with flat chasers, comprising a motionless plate and a movable plate. The movable plate is fixed to a supporting structure that has a reciprocating motion actuated by means of a spindle, crank and linkage, the spindle being supported by ... | 06/19/2007 |
| 7188496 | Method for detecting the vibrations of a roll stand The invention relates to a method for detecting the vibrations of a roll stand (1) equipped with a hydraulic jack (6) as a device for adjusting the rolling rolls (4, 5). The hydraulic jack comprises a sensor (64) for measuring the positio... | 03/13/2007 |
| 7172141 | Lubricant mist sprayer for pinch roll A lubricant mist sprayer is composed by spray headers, which have lubricant and gas supply pipes integrally fixed to each other by fixing members and which are spaced apart a required distance from and are arranged in parallel with surfaces of pinch rolls, and mist ... | 02/06/2007 |
| 7104101 | Roll stand The invention relates to a roll stand comprising a pair of work rolls 1, 2 for rolling a metal strip B, comprising back-up rolls 8, 9, 10, 11 which provide lateral support to their respectively allocated work rolls 1, 2, with support force direc... | 09/12/2006 |
| 7096701 | Wheel rim rolling apparatus for use in producing a vehicle wheel rim This invention relates to an improved wheel rim rolling apparatus for use in producing a vehicle wheel rim. The wheel rim rolling apparatus includes a top roll assembly having upper rim tools adapted to engage a rim blank or a partially formed rim in order to impart... | 08/29/2006 |
| 6920774 | Drive system for multi-roll leveler A drive system for a multi-roll leveler. The drive system is coupled to a set of upper work rolls of the leveler. Preferably, the lower, and not the upper set of work rolls provide the bending necessary to flatten the strip of material. The drive system employs a ge... | 07/26/2005 |
| 6912883 | Load measuring system for a thread rolling machine and operating method therefor A thread rolling machine forming a threaded member from a workpiece includes a die, a device for rotating the die, a device for generating a load applied to the die in a workpiece-feeding direction, a member that deforms under the applied load during a thread rollin... | 07/05/2005 |
| 6843090 | Rolling device for ring A rolling apparatus is capable of rolling a metal ring to an accurate circumferential length and preventing the metal ring from dropping off. The rolling apparatus includes a metal ring support assembly having tension rollers 2a, 2b for s... | 01/18/2005 |
| 6688151 | Device and method for shifting work roll of cluster mill A roll shifting cylinder 14 is driven to pivot a lever arm 12, thereby shifting a work roll 1 via a thrust bearing 15. A control unit 27 performs auto-positioning control, based on a shift amount performance value of the thrust bearing 15 detected by a sh... | 02/10/2004 |
| 6591651 | Sheet metal forming machine In order to improve a sheet metal forming machine comprising a machine frame, a first roller tool mounted on the machine frame for rotation about a first roller axis, a second roller tool which is rotatable about a second roller axis, interacts with the f... | 07/15/2003 |
| 6523383 | Monitoring and controlling system with connectorless quick-change components A monitoring and controlling system for monitoring and controlling various operating characteristics of machine components. The monitoring and controlling system includes a primary transceiver, with sensors and control devices, mounted integrally with the... | 02/25/2003 |
| 6463775 | Method and apparatus for detecting chattering in cold rolling mill The present invention relates to a method for detecting chattering of a cold rolling mill rapidly and accurately, which occurs during cold rolling of a steel strips. The occurrence of the chattering is detected by a plurality of acoustic parameters derive... | 10/15/2002 |
| 6295851 | Method of monitoring the distance between the rolls of a roll pair, and means for use in carrying out the method The invention relates to a method of monitoring the distance between the rolls of the roll pairs in a rolling line that includes a plurality of mutually sequential roll units where each unit includes a roll pair and a roller guide for leading a bar sectio... | 10/02/2001 |
| 6173596 | Position detector for roll of rolling stand A position detector used with a roll stand having a fixed frame member and a roll-carrying member movable in a direction relative to the frame member, has first and second sleeves telescoping in the direction adjacent the members, a mount securing one of ... | 01/16/2001 |
| 6119500 | Inverse symmetrical variable crown roll and associated method The method and apparatus of the present invention is a rolling mill having rolls with inverse symmetrical profiles and a method of using the same. An inverse symmetrical profile is a profile in which the right and left sides of a roll, with respect to the... | 09/19/2000 |
| 5918493 | Sensor support A contour measuring devices for measuring the contour of hot-strip rolls installed in a roll stand during a rolling process includes a plurality of distance sensors that extend along the length of the hot-strip roll in a perpendicular and non-contacting m... | 07/06/1999 |
| 5890386 | Process and plate roll bending machine A process and a roll bending machine for bending plates. The plate to be bent is made to pass between upper and lower gripping rolls parallely arranged between each other; at least one of these rolls is connected to a drive motor for rotation. One of the ... | 04/06/1999 |
| 5775154 | Method for adjusting a roll gap A method for adjusting the roll gap in strip rolling mills including a roll stand equipped with hydraulic adjusting devices on the drive side as well as on the operator side, wherein the positions of the rolls in a roll stand are adjustable by means of th... | 07/07/1998 |
| 5768927 | Rolling mill, hot rolling system, rolling method and rolling mill revamping method A work roll crossing type rolling mill has back-up rolls arranged in such a manner that their axes are not inclined in a horizontal plane. Work rolls are constructed in such a manner that their axes can be inclined in a horizontal plane relative to the ba... | 06/23/1998 |
| 5735154 | Method of controlling the passage of rolling stock through a continuous mill train A method of controlling the passage of rolling stock through a continuous mill train of successive roll stands comprising rolling shafts supporting the rolls, a rolling-mill drive preceding the rolling shafts, and individual electric motor drives having a... | 04/07/1998 |
| 5724846 | Interruption of rolling mill chatter by induced vibrations A method of preventing roll chatter in a stand of a rolling mill during the process of directing a strip of material through the mill. The method comprises the step of introducing into the stand a low power vibration component that prevents the rolls in t... | 03/10/1998 |
| 5647238 | Method for suppressing the influence of roll eccentricities on a control for a rolling-stock thickness in a roll stand To suppress the influence of roll eccentricities on a feedback control of a rolling-stock thickness in the thickness control, it is generally known to provide an insensitive dead zone for signal fluctuations caused by the roll eccentricities, and for the ... | 07/15/1997 |
| 5560237 | Rolling mill and method To eliminate a vertically asymmetrical deflection, a rolling mill comprises a device for measuring horizontal deflections of upper and lower work rolls 2, 3 during rolling, a device for comparing values measured on the upper and lower sides and calculatin... | 10/01/1996 |
| 5560238 | Thread rolling monitor A thread rolling machine in which the dies are monitored for a mismatch condition by a proximity sensor responsive to displacement of the moveable die in a direction parallel to the axis of the workpiece. This displacement, which occurs when a mismatch co... | 10/01/1996 |
| 5553469 | Method of controlling thermally alterable profile of working rolls A method of controlling thermally alterable profiles of working rolls during hot rolling of strips having different width includes providing cover shells for the working roll, determining a position of edges of the rolling strip on the working roll, deter... | 09/10/1996 |
| 5501091 | Method and apparatus for elongating metal tubes by means of a mandrel mill In a method of elongating a metal tube by means of a mandrel mill, a tapered mandrel bar is inserted into a hollow piece and the feeding speed of the mandrel bar is controlled so as to change the length by which the mandrel bar projects beyond the deliver... | 03/26/1996 |
| 5448901 | Method for controlling axial shifting of rolls A system for controlling axial shifting of working rolls on a rolling mill is provided, and more particularly, a control system method which includes monitoring sensors for the rolling mill, processing information and calculating the non-all statical fric... | 09/12/1995 |
| 5355704 | Method and arrangement for adjusting of three rollers or guiding rolls which together form a caliber opening For adjusting of three caliber opening rollers or guiding rolls, a light source is arranged on the one side of the roller or guiding roll, a device is located at another side of the roller or the guiding roll and receives a shadow image of a caliber conto... | 10/18/1994 |
| 5291108 | Method of equalizing the torque on a drive of a pilger rolling mill A method and apparatus for torque equalization on the drive of a rolling stand, having a linear oscillatory movement driven via a crank drive, of a Pilger step-by-step rolling mill, particularly a cold Pilger rolling mill. In order to avoid the inefficien... | 03/01/1994 |
| 5279139 | Method and apparatus for aligning of horizontal rolls A method and apparatus for aligning both upper and lower horizontal rolls in a roll stand. More particularly, it relates to a roll stand having horizontal rolls with electromechanical and hydraulic adjustments of the upper roll, and electromechanical adju... | 01/18/1994 |
