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| Number | Title | Issue Date |
| 6299084 | Feeding device for fibrous material Feeding elements are disclosed for use in connection with refiners for lignocellulosic fibrous material including a stationary refiner, a rotary refiner mounted for rotation in juxtaposition with the stationary refiner thereby forming a refining gap there... | 10/09/2001 |
| 6296553 | Grinding method, surface grinder, workpiece support, mechanism and work rest A workpiece receiving hole 60a for fittingly receiving a workpiece 17 is formed in the center of a rotary disk 60 which is thinner than the workpiece 17. A workpiece drive section 60b which engages a notch 17a formed for the purpose of orienting the workp... | 10/02/2001 |
| 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 |
| 6286354 | Rolling mill and rolling method and rolling equipment The work rolls of two sets of roller groups are held within one-piece metal chock in a rolling mill. A one-piece metal chock in which the driving side and operating side are separate then provides support at the upper part of the rolling material, with su... | 09/11/2001 |
| 6260397 | Rolling mill with roll deflection bi-dimensionally controlled A high-precision rolling mill with the flexture of the roll being controlled two-dimensionally which mainly comprises a mill stand, roll systems and roll supports. To minimize the flexural deformation of the rolls during rolling, the inventive rolling mil... | 07/17/2001 |
| 6260395 | Vertically oriented apparatus for bending tubing, and method of using same A vertically oriented tube bending apparatus includes a vertically oriented support frame, which takes up less floor space than the previously known tubing benders. A tube bending apparatus in accordance with the invention, generally, includes a support f... | 07/17/2001 |
| 6261158 | Multi-step chemical mechanical polishing A multi-step CMP system is used to polish a wafer to form metal interconnects in a dielectric layer upon which barrier and metal layers have been formed. A first polish removes an upper portion of the metal layer using a first slurry and a first set of po... | 07/17/2001 |
| 6257040 | Method for controlling a hydraulic rotary and feed drive for a cold pilger rolling mill The invention relates to a method for controlling a hydraulic rotary and feed drive for a cold pilger rolling mill for producing rolling stock, the cold pilger mill having a rolling stand that moves back and forth in the rolling direction by a crank drive... | 07/10/2001 |
| 6257034 | System and method for preventing scale defects during hot rolling A system and a method are disclosed for preventing scale defects during hot rolling by hot rolling equipment having a scale breaker provided at an entry side of a finishing mill line composed of a plurality of rolling mills arranged in tandem. A descaler ... | 07/10/2001 |
| 6257039 | Paper clamp press A paper clamp press for straightening or smoothing a bended, folded or creased clamp arm of a metal paper clamp. In a preferred embodiment the paper clamp press is characterized by a pair of pivoting, plier-type handles which terminate in top and bottom j... | 07/10/2001 |
| 6253592 | Rolling apparatus for bars and method for rolling bars A high-speed rolling apparatus for bars includes a finishing mill and an associated first mill motor and a sizing mill and an associated second mill motor downstream of the finishing mill. The first mill motor power (Wf) and second mill motor power (Ws) s... | 07/03/2001 |
| 6250120 | Apparatus for rotatably supporting the neck of a roll in a rolling mill Apparatus for rotatably supporting the neck of a roll in a rolling mill, including a bearing assembly configured and dimensioned to surround the roll neck, a chock containing the bearing assembly, and a support for the chock, with the chock and the suppor... | 06/26/2001 |
| 6250124 | Steel pipe bending apparatus and method The present invention is carried out to supply a small sized and lightweight steel pipe bending apparatus so as to bring to construction sites, so as to keep thinning a thickness of the pipe at lower level and so as to obtain the pipe with a desired bendi... | 06/26/2001 |
| 6250126 | Plate rolling mill The invention intends to always maintain a distance between a hydrostatic pressure bearing and a roll even in a transient state before and after the start of rolling, thereby sufficiently and surely preventing damage of those components upon contact with ... | 06/26/2001 |
| 6247998 | Method and apparatus for determining substrate layer thickness during chemical mechanical polishing A chemical mechanical polishing apparatus includes a platen to support a polishing pad, and a polishing head to hold a substrate against the polishing pad during processing. The substrate includes a thin film structure disposed on a wafer. A first optical... | 06/19/2001 |
| 6247345 | Bending block for four-high rolling stand A bending block for a four-high rolling stand comprising working rolls (11a, 11b) and back-up rolls (12a, 12b) associated with respective chocks (14a, 14b; 15a, 15b), the stand also comprising a stationary housing (16) associated with means (17) for the c... | 06/19/2001 |
| 6244090 | Roll mill with bending means for the working rolls A roll mill comprising a retaining stand with two distant stanchions (1, 1b), at least two working rolls (2, 2') each rotating respectively in two chocks, and means for applying bending loads to each end of both working rolls, said means comprising, for b... | 06/12/2001 |
| 6244943 | Surface-processing apparatus An apparatus to process, in particular, curved surfaces using one or more grinding or polishing tools which includes a housing (2) having a drive system (3, 20, 19, 12) powering at least one tool seat (1) particularly for a grinding or polishing tool (W) ... | 06/12/2001 |
| 6241577 | Lens grinding apparatus and lens grinding method and component therefor A lens grinding apparatus with which an ordinary lens having a large diameter to work on and a lens for "granny's glasses" can be processed efficiently without employing dedicated cup receptacles and lens retainers and yet with a reduced potential for mis... | 06/05/2001 |
| 6240763 | Automated rolling mill administration system An integrated plant for the production of elongated product of relatively small cross section, such as bars and rods, contains an automated system for the administration of rolling mill operation. The system provides for the stand-by storage of mill stand... | 06/05/2001 |
| 6241170 | Industrial shredders and novel components therefor Industrial shredders containing a novel shredding head and novel stripper blades to prevent or reduce the possibility of jamming the shredder during operation. The Industrial shredder requires the use of a stripper blade which is removable and replaceable... | 06/05/2001 |
| 6237384 | Method of and installation for shaping a metal strip A method of shaping a metal strip in a hot rolling installation including arranged one after another finishing train, cooling section, and coiler, with the method including providing, in a region between an end of the cooling section and the coiler, rolls... | 05/29/2001 |
| 6237385 | Method of cooling a rolled stock and a cooling bed for effecting the method A method of cooling a rolled stock and including providing a cooling bed having entrance, middle, and end sections, transporting the rolled stock along the cooling bed in a direction transverse to the rolled stock longitudinal axis, air-cooling of the rol... | 05/29/2001 |
| 6237386 | Progressive wire forming system A process for progressive wire formation is disclosed, comprising rotating a primary roller having a circumferential forming groove configured to receive a wire to be formed. A first stage roller having a circumferential forming groove configured to recei... | 05/29/2001 |
| 6237387 | Entrance roller guide apparatus A guide roller apparatus has entry guide and an upper guide provided at an entrance side of an advancing path for a workpiece material to be rolled, and side rollers, upper and lower guide rollers and further tip end chips downward thereof are sequentiall... | 05/29/2001 |
| 6233994 | Apparatus for and method of processing billets in a rolling mill A rolling mill has roughing, intermediate and finishing roll stands on a first side of a billet reheating furnace, and a breakdown mill on an opposite second side of the furnace. Billets are heated to an elevated rolling temperature in the furnace and are... | 05/22/2001 |
| 6233996 | Driving mechanism for industrial installations, in particular for primary industry installations A drive system for industrial plant sections, in particular for system sections in the basic industries, having at least one electric motor and at least one converter with a voltage link, through which the electric motor is connected to an AC-voltage powe... | 05/22/2001 |
| 6233995 | Forming tool for a bending brake A forming tool for creating a profile in a workpiece held within a bending brake is provided. The forming tool includes a body, and a carriage attached to the body and operable to move longitudinally along a guide provided on the bending brake. A pair of ... | 05/22/2001 |
| 6231428 | Chemical mechanical polishing head assembly having floating wafer carrier and retaining ring The invention provides structure and method for achieving a uniformly polished or planarized substrate such as a semiconductor wafer including achieving substantially uniform polishing between the center of the semiconductor wafer and the edge of the wafe... | 05/15/2001 |
| 6230534 | Process for manufacturing a cold rolled stainless steel strip having a high gloss A process for manufacturing a cold rolled stainless steel strip of high gloss with a high production efficiency by employing a high rolling speed. Mirror-finished work rolls having a Young's modulus exceeding 54,000 kgf/mm2 and a centerline ave... | 05/15/2001 |
| 6227025 | Rolling method using rolling guide In a rolling method of rolling a material by front-stage rolling mill, a post-stage rolling mill and guiding rollers interposed therebetween. At first, a gap between the guiding rollers is set to a standard outer size of a standard material to be rolled b... | 05/08/2001 |
| 6227471 | Feeding element for fibrous material A feeding element is disclosed for use in connection with a refiner for lignocellulosic fibrous material including a stationary refiner, a rotary refiner mounted for rotation in juxtaposition with the stationary refiner thereby forming a refining gap ther... | 05/08/2001 |
| 6223574 | Thin-walled ring-shaped member and method of manufacturing same A sheet of strip material of metal is coiled into a ring-like member, with a broader surface thereof being oriented in a radial direction. Opposite ends of the sheet of strip material are connected together by a joint. The joint includes a concave portion... | 05/01/2001 |
| 6223575 | Tube forming machine using three point bending A tube forming machine for making a tube from a sheet is disclosed. The forming rolls of this invention include various V-shaped rolls at least some of which are used as part of a three-point bending technique. The three-point bending technique entails th... | 05/01/2001 |
| 6223580 | Method and apparatus for continuous monitoring and amplitude adjustment of adjustable length heating element A method and apparatus for forming a heating element by corrugating a ribbon to a waveform having an amplitude based on a measured resistance per unit length of the ribbon. The amplitude of the corrugation is varied based on the measured resistance, to va... | 05/01/2001 |
| 6220070 | Shearing and coiling assembly for hot rolled stock A shearing and coiling assembly for hot rolled stock with a thickness of between 0.5 and more than 5 mm, comprising a shearing unit (11) and a coiling machine (10) comprising a turntable assembly (12) rotating around an axis of rotation (13) orthogonal to... | 04/24/2001 |
| 6220941 | Method of post CMP defect stability improvement The present invention provides a method and apparatus for delivering one or more rinse agents to a surface, such as a polishing pad surface and preferably one or more polishing fluids. The invention also provides a method of cleaning one or more surfaces,... | 04/24/2001 |
| 6220071 | Method and apparatus for controlling strip edge relief in a cluster rolling mill Strip edge relief is adjusted in a twenty-high cluster rolling mill by a set of double-tapered intermediate rolls in contact with the work roll. Rolling forces bend the work roll ends toward the tapered sections of the intermediate rolls to provide strip ... | 04/24/2001 |
| 6220069 | Method and apparatus for bending tubing A bend die assembly includes a bend die and a clamp block assembly. The bend die is reversible and includes a T-shaped projection which extends outward from the bend die. The clamp block assembly includes a first clamp block and a mating second clamp bloc... | 04/24/2001 |
| 6216518 | Method of adjusting position in bar steel rolling mill and roll position adjusting guidance apparatus A method of adjusting a roll position in a bar steel rolling mill includes using portions of a roll caliber, that are located at approximately symmetrical positions with respect to a rolling reduction direction, as sensing positions, and calculating the s... | 04/17/2001 |
