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| Number | Title | Issue Date |
| 7921688 | Square tube forming roll, square tube forming method, and forming device Roll forming a round tube to a square tube without applying excessive load to the raw tube scheduled portions to become corner portions and shoulder portions. This invention structures the curvature of the rotation axis direction of the forming roll surface in a way... | 04/12/2011 |
| 7647804 | Large strain-introducing working method and caliber rolling device A method of rolling a material in two more continuous passes is disclosed. The method includes rolling the material with a flattened-shaped caliber in a first pass, and subsequently rolling with a square-shaped caliber in a second pass. The rolling is performed with... | 01/19/2010 |
| 7371028 | Post mounting system A post mounting system for a body mounted camera mounting system includes a grip to go about the post of the system and a vernier clamp. The vernier clamp includes a vernier ring which is slidable axially and fixed angularly to the grip. A vernier nut threadably eng... | 05/13/2008 |
| 7340825 | Method of making a transformer A transformer and method of making includes first half primary and secondary windings as metallic circuits that are etched on a metallic cladding of a first liquid crystal polymer (LCP) sheet. Secondary windings are positioned in spaced relation to the primary windi... | 03/11/2008 |
| 7316144 | Rolling mill consisting of horizontal stands and vertical stands In a rolling mill which consists of at least one horizontal stand (1) and at least one vertical stand (2), which are connected with each other, between both stands (1, 2), connection elements (7) are releasably arranged, wherein the conne... | 01/08/2008 |
| 7302820 | Method for changing the configuration of a rolling mill and advanced rolling mill for carrying out said method The invention relates to a method for changing the configuration of a rolling mill including at least two working rolls and two back-up rolls, means for applying a clamping load and two sets of hydraulic cambering cylinders, at least of both working rolls. Ac... | 12/04/2007 |
| 7210275 | Method to joggle a structural element and structural element joggled according to this method A joggled structural element includes two wings with a small thickness and a great thickness. Slopes made in a joggle of the structural element are computed as a function of each of the thicknesses of the wings. Thus, the joggled structural element comprises a shall... | 05/01/2007 |
| 7086263 | Universal rolling stand with roll gap control A universal rolling stand with control of the space between the rolls comprises a pair of horizontal rolls and one or more vertical rolls with respective chocks, positioning housings and a guide for the chocks with adjustment tie rods (6, 7, 6′, 7′, 18, 18′... | 08/08/2006 |
| 7047621 | Method for casting and immediate rolling, and device for the support, guidance and deformation of a metal strand, especially in steel strand A method for casting and rolling preliminary sections, especially H-sections, and a device for the support, guidance and deformation of a metal strand, especially a steel cast strand (1), in a continuous casting installation for preliminary sections with soft... | 05/23/2006 |
| 7043953 | X-H rolling method for parallel-flange steel sections (supports) A method of X-H rolling of a parallel flange steel structural shape or beam with an H cross section using a compact rolling group. In the first universal mill frame the vertical roll have roll surfaces inclined to one another at an angle up to 10° whereas in the se... | 05/16/2006 |
| 6938450 | Double nut tensioner assembly for pre-stretched tie rods The tensioner assembly is provided for clamping at least two objects and comprises a tie rod member, a thrust ring positioned on the tie rod member against one of the objects, a first retaining member for removably engaging a distal end of the tie rod member, and a ... | 09/06/2005 |
| 6901782 | Method and apparatus for forming a modified a cross-section wire material A modified cross-section wire material is formed into piston rings such as oil-control rings for use in an engine. An apparatus of the present invention for forming the modified cross-section wire material has a forming unit (15) comprising in combination a n... | 06/07/2005 |
| 6321583 | Multifunction rolling mill for H-beam and rolling method of rolling H-beam with multifunction rolling mill There is provided a multifunction rolling mill for rolling an H-beam including: a pair of right and left vertical rollers composed of flange thickness reduction rollers; web thickness reduction horizontal rollers; and a pair of upper and lower horizontal ... | 11/27/2001 |
| 6305205 | Universal rolling mill stand A universal rolling mill stand with horizontal and vertical rolls, adjustably supported in two parallel roll posts is disclosed. The universal rolling mill stand enables a simple construction and operational process if the horizontal rolls are received, w... | 10/23/2001 |
| 6293133 | Method of rolling finished sections from preliminary sections in reversing roll stand arrangements A method of rolling finished sections from preliminary sections by means of roll stand arrangements which operate in reversing operation and include a compact rolling group composed of a first universal stand at the entry side and a second universal stand... | 09/25/2001 |
| 6216517 | Precision-rolling process A precision-rolling process for producing rolled stock in bar or wire form while maintaining tight shape and size tolerances is characterized, for the purpose of providing good accessibility to the roll stands, by the combination of the following features... | 04/17/2001 |
| 6202464 | Universal rolling mill The present invention provides a universal rolling mill in which rolls including width-variable rolling rolls can be replaced at a time even if the universal rolling mill is of a type in which a yoke is caused to recede upward. A concrete structure of the... | 03/20/2001 |
| 6134935 | Apparatus and method for determining and setting a stand center and adjusting positions of a roll stand An apparatus and a method for determining and setting the center of a roll stand and adjusting positions of a roll stand, wherein the bearing chocks of the horizontal rolls have processed planar support surfaces located opposite each other and preferably ... | 10/24/2000 |
| 6116072 | Method of rolling finished sections from preliminary sections in reversing roll stand arrangements A method of rolling finished sections from preliminary sections by means of roll stand arrangements which operate in reversing operation and include a compact rolling group composed of a first universal stand at the entry side and a second universal stand... | 09/12/2000 |
| 6085566 | Rolling train for rolling flat steel A rolling train for rolling flat steel using universal stands having--instead of vertical rolls-adjustable support members for pairs of loose vertical rollers arranged in the areas of the stands. The rolling train includes a roughing rolling group with ve... | 07/11/2000 |
| 6062057 | Universal roll stand A universal roll stand including a multiple-part stationary roll housing on the drive side and a multiple-part roll housing on the operator side which can be moved away, wherein the housings are connected to each other through hydraulically pretensioned t... | 05/16/2000 |
| 6058754 | Rolling train for rolling flat steel A rolling train for rolling flat steel using universal stands having--instead of vertical rolls--adjustable support members for pairs of loose vertical rollers arranged in the areas of the stands. The rolling train includes a roughing rolling group with v... | 05/09/2000 |
| 6055837 | Method for rolling shape steel having flange and web, and rolling mill line for the same A horizontal roll guide device HG or a friction guide device FG is disposed in front, and in the proximity, of a finish universal mill FU of a rolling process of a shape steel having a flange and a web so as to restrict the center portion of the web in th... | 05/02/2000 |
| 6029490 | Device for changing the vertical position of the vertical rolls in universal roll stands A device for changing the vertical position of the vertical rolls in universal roll stands for rolling girders of different heights, wherein the vertical cross section of the housing of the bearing chock is constructed asymmetrically and the vertical dist... | 02/29/2000 |
| 6023957 | Universal roll stand with a divided housing on the operator side A universal roll stand with a divided housing on the operator side, wherein a vertical housing stirrup engages between the upper and lower separating lines or planes of separation of the housing. A transfer element overlapping the two separating lines for... | 02/15/2000 |
| 5970773 | Rolling plant for rolling all types of finished sections A rolling plant for rolling all types of finished sections from flat blooms or preliminary sections with close to final dimensions, wherein the blooms or preliminary sections arrive from a continuous casting plant and may be stored in reheating furnaces a... | 10/26/1999 |
| 5966977 | Method of rolling steel sections A method of rolling steel sections, particularly in a universal section mill, wherein X-shape rolling and H-shape rolling are carried out alternatingly and specifically directed cooling of the steel section is carried out during rolling. During roughing r... | 10/19/1999 |
| 5904061 | Method of rolling finished sections from a preliminary section A method of rolling finished sections from a preliminary section by initially carrying out five or more passes and reversing passes between a universal stand and a horizontal stand, wherein profiled horizontal rolls of the universal stand form in the sect... | 05/18/1999 |
| 5901592 | Rolling method of wide flange beam in universal rolling mill The method of rolling a wide flange beam results in an improved accuracy of the web thickness and the flange thickness in a universal rolling mill. Rolling a wide flange beam in a universal rolling mill having horizontal rolls and vertical rolls, switchin... | 05/11/1999 |
| 5896770 | Method and apparatus for rolling shape steel A rolling method, and an apparatus therefor, capable of improving a fundamental unit of rolling rolls, dimensional accuracy and rolling stability, and having high productivity are described. The rolling method, and the apparatus therefor, reverse roll a t... | 04/27/1999 |
| 5809820 | Spring washer and method for making the same A spring washer improves resistance to loosening of fasteners tightened thereon. The spring washer is stronger than prior art devices. On the upper and lower surfaces of the spring washer, approximately 1/5-1/4 of the width inward from the outer perimeter... | 09/22/1998 |
| 5802904 | Multipart roll stand A universal roll stand includes two vertical housings each being composed of a single piece, upper and lower transverse girders arranged above and below the vertical housings and lateral support projections for receiving vertical rolls. Tie rods are guide... | 09/08/1998 |
| 5787749 | Rolling mill stand A universal rolling mill stand includes a drive side roll mount, an operator's side roll mount extending parallel to the drive side roll mount and adapted to move away therefrom, and an alternate frame, in which horizontal and vertical rolls are mounted a... | 08/04/1998 |
| 5789066 | Method and device for manufacturing cold rolled metal sheets or strips and metal sheets or strips obtained Method of producing metal sheets or strips by cold reduction rolling of a metal sheet or strip with at least one pair of work rolls, at least one of which being a textured work roll in order to transfer the surface pattern of the textured work roll to the... | 08/04/1998 |
| 5718141 | Universal rolling machine The present invention relates to a universal rolling machine wherein a pair of left and right vertical rolls, which are positioned on axial centers that intersect axial centers of a pair of upper and lower horizontal rolls, are mounted coaxially within ve... | 02/17/1998 |
| 5685188 | Universal mill stand for forming tubes A universal mill stand for continuously forming tubes, especially in tube welding units, into round or profiled tubes. The mill stand has a housing from which the complete universal assemblies can be removed and exchanged for producing round tubes or for ... | 11/11/1997 |
| 5671630 | Method for rolling Z-section sheet piles A method is presented for hot rolling a Z-section sheet pile from a semi-finished H-beam. The semi-finished H-beam is oriented in such a way that its web is substantially parallel to a rolling plane. A preform of the sheet pile is first rolled in a first ... | 09/30/1997 |
| 5664452 | Method of rolling finished sections from a preliminary section in a reversing rolling stand arrangement A method and a rolling stand arrangement for rolling in a reversing operation a finished section from a preliminary section produced in a continuous casting plant, wherein the preliminary section has a web-like portion corresponding to a web of the finish... | 09/09/1997 |
| 5623845 | Method for producing flanged structural products directly from slabs Flanged structural products are rolled directly from rectangular slabs using only a universal mill having web rolls of fixed width corresponding to a selected finished web depth of the finished product. Original slab width is dependent upon the area ratio... | 04/29/1997 |
| 5553475 | Method for detecting setting errors of clearance between rollers in universal rolling mill, and method for rolling H-shaped steel having favorable flange dimensions utilizing same detecting method According to the present invention, in the rolling of an H-shaped steel wherein a roughly shaped billet subjected to a breakdown rolling and having a web and flanges is formed into a shape steel having H-shaped cross section by passing it through an array... | 09/10/1996 |
