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| Number | Title | Issue Date |
| 7695240 | Bundling system for long products A system for bundling long ferrous products comprises a roller table for delivering the products longitudinally to a receiving station. A cradle is spaced laterally from the receiving station and is constructed and arranged to receive and accumulate the products in ... | 04/13/2010 |
| 7523632 | Modular rolling mill A modular rolling mill comprises a plurality of rolling units having work rolls configured and arranged to progressively reduce the cross sectional area of a product received along a mill pass line. Gear units are mechanically coupled to each rolling unit, with each... | 04/28/2009 |
| 7461532 | Monitoring and alarm system for rolling mill oil film bearings A monitoring and alarm system is disclosed for a rolling mill in which oil is pumped from a reservoir via feed piping and branch feed lines to oil film bearings and oil is returned from the bearings via branch drain lines and return piping to the reservoir. The syst... | 12/09/2008 |
| 7380431 | Oil film bearing with compact hydraulic mount An oil film bearing is disclosed for a rolling mill roll having a tapered neck leading to a reduced diameter end section. The bearing comprises an internally tapered sleeve received in a seated position on the tapered roll neck. The sleeve is journaled for rotation ... | 06/03/2008 |
| 7316145 | Multiple outlet rolling mill Accumulators are interposed between an initial mill section having an elevated first production rate and each of a plurality of different outlet mill sections having lower second production rates. Each accumulator is constructed and arranged to receive intermediate ... | 01/08/2008 |
| 7228972 | Short bar separation and recovery system and method A system and method are disclosed for separating and recovering short bars from full length bars in a rolling mill. The bars are initially conveyed on a run-out roller table from a shear to a transfer station where they are accumulated in a layer. The layer is trans... | 06/12/2007 |
| 7219521 | Rolling mill product handling system A product handling system comprises a support structure defining a pair of stationary inverted first channels with downwardly facing open sides. At least one cylindrical drum is interposed between each of the first channels and an underlying receiver. The drums are ... | 05/22/2007 |
| 7207202 | Method of subdividing and decelerating hot rolled long products A method is disclosed for subdividing and decelerating a hot rolled long product advancing along a delivery path from a rolling mill to a cooling bed. The method comprises: (a) arranging a shear and a decelerator in succession alon... | 04/24/2007 |
| 7191629 | Modular rolling mill A modular rolling mill comprises a plurality of separate rolling units arranged along a mill pass line. Each rolling unit includes at least two pairs of work rolls defining oval and round roll passes and carried on roll shafts that are staggered 90° with respect to... | 03/20/2007 |
| 7191628 | Method of continuously hot rolling a heated billet into a plurality of finished products A billet is initially rolled into a process section having at least first and second segments joined by an intermediate web, with the cross-sectional area of the second segment being larger than that of the first segment. The intermediate web is slit to separate the... | 03/20/2007 |
| 7140221 | Divide and chop shear arrangement In a system for subdividing hot rolled product lengths being delivered from a rolling mill along a first path, a first switch acts in concert with a first shear to subdivide each product length traveling along the first path into successive segments including a fron... | 11/28/2006 |
| 7093472 | Method of continuously rolling a product exiting from an upstream roll stand at a velocity higher than the take in velocity of a downstream roll stand A method is disclosed for continuously rolling a product exiting from an upstream roll stand at a delivery velocity V1 higher than the take in velocity V3 of a downstream roll stand. The excess product resulting from the velocity differential b... | 08/22/2006 |
| 7086783 | Laying head bearing with offset preloading A bearing assembly is disclosed for rotatably supporting a quill in the housing of a rolling mill laying head. The bearing assembly includes first and second axially spaced roller bearing sets interposed between the quill and the housing. The bearing assembly also i... | 08/08/2006 |
| 7069759 | Bar delivery system and method A method and system are disclosed for receiving a hot rolled bar product from a rolling mill, and for delivering the bar product to a cooling bed. A shear subdivides the bar product into bar segments and alternately directs the bar segments to one or the other of tw... | 07/04/2006 |
| 7021103 | Method and apparatus for decelerating and temporarily accumulating a hot rolled product A method and apparatus is disclosed for decelerating and temporarily accumulating a hot rolled product moving longitudinally along a receiving axis at a first velocity V1. The product is directed through a curved guide having an entry end aligned with the... | 04/04/2006 |
| 7011264 | Laying head for rod rolling mill In a laying head for forming a longitudinally moving hot rolled product into a helix, a tubular quill has a central axis of rotation and a through passageway extending along the central axis from a first end to an opposite second end of the quill. The interior quill... | 03/14/2006 |
| 6976617 | Uninterrupted continuous rolling of bar and rod products Discrete billets are rolled through a plurality of roll stands arranged along a rolling mill pass line to produce successive product lengths having reduced cross sections and front and tail ends. At a selected location along the pass line, the tail end of each produ... | 12/20/2005 |
| 6959579 | Triple bearing arrangement for cantilevered roll shafts A rolling mill roll stand comprises parallel roll shafts rotatably supported by axially spaced first and second bearings contained in parallel eccentric sleeves. The eccentric sleeves are rotatably supported in a housing and the roll shafts have cantilevered ends th... | 11/01/2005 |
| 6929402 | Journal bearing and thrust pad assembly An apparatus for rotatably mounting and axially fixing a gear on a shaft comprises a bushing fixed within a bore of the gear. A sleeve is received on and fixed relative to the shaft. The sleeve is surrounded by and journalled for rotation within the bushing. A thrus... | 08/16/2005 |
| 6920772 | Pinch roll unit A pinch roll unit for either propelling or retarding a product moving along the pass line of a rolling mill comprises a pair of levers mounted for rotation about parallel first axes. Roll shafts are carried by the levers with each roll shaft being journalled for rot... | 07/26/2005 |
| 6851676 | Inner seal ring for rolling mill oil film bearing An inner seal ring is disclosed for use in an oil film bearing for a roll in a rolling mill. The roll has a neck with an intermediate section tapering from an end face to a reduced diameter end section contained within a sleeve. The sleeve is fixed in relation to th... | 02/08/2005 |
| 6802511 | Seal end plate A seal end plate is configured and dimensioned to surround the neck of a horizontal roll in a rolling mill and comprises a circular body having a shoulder projecting axially from its outboard side. At least one well is provided on the shoulder, and a drainage passag... | 10/12/2004 |
| 6783131 | Neck seal A neck seal is disclosed for use in an oil film bearing assembly for a roll in a rolling mill, the roll having a neck with an intermediate tapered section leading to a reduced diameter end section contained within a sleeve, with the sleeve being fixed in relation to... | 08/31/2004 |
| 6769641 | Segmented ring guide for rolling mill laying head A laying has a quill rotatable about an axis, and a pipe carried on the quill. The pipe has an entry end arranged to receive a product, and an intermediate portion defining a curved guide path leading from the entry and to a delivery end spaced radially from the qui... | 08/03/2004 |
| 6745656 | High speed flying shear A flying shear has leader and follower blades rotating in opposite directions about parallel axes located above and below a horizontal plane. The radius of rotation of the leader blade is longer than the radius of rotation of the follower blade. The blades are confi... | 06/08/2004 |
| 6684745 | High speed flying shear A shear is disclosed for subdividing an elongated product moving longitudinally in a horizontal plane. The shear includes upper and lower continuously rotating blades respectively coacting in a radially overlapping relationship at first and second lateral... | 02/03/2004 |
| 6604859 | Bushing for oil film bearing A bushing has a cylindrical wall with an inner bearing surface configured and dimensioned to surround the journal surface of a roll neck in a rolling mill. The bearing surface has a primary recess into which oil is admitted to serve as a lubricant between... | 08/12/2003 |
| 6575638 | Bayonet roll end adaptor An apparatus for retaining a bearing assembly on the neck of a roll in a rolling mill. The apparatus includes an adaptor element having outwardly projecting first lugs circumferentially separated by first flutes. Fasteners detachably secure the adaptor el... | 06/10/2003 |
| 6568234 | Rolling mill finishing section In a single strand hot rolling mill finishing section a plurality of multi-stand prefinishing rolling units are arranged along and are selectively shiftable onto and off of a first pass line segment. A multi-stand finishing rolling unit and a multi-stand ... | 05/27/2003 |
| 6546776 | High speed finishing block A multi-stand block for a rolling mill comprises a plurality of roll stands alternately arranged on opposite sides of a pass line along which a product is rolled in a downstream direction from an entry end to an exit end of the block. Drive shafts are pro... | 04/15/2003 |
| 6546777 | Method and apparatus for reducing and sizing hot rolled ferrous products A method of continuously rolling a ferrous workpiece into a finished round, comprising rolling the workpiece in successive first and second roll passes at an elevated temperature of between about 650 to 1000° C., the first and second roll passes each bei... | 04/15/2003 |
| 6468194 | Sleeve for rolling mill oil film bearing A sleeve is disclosed for use in an oil film bearing of the type employed to rotatably support a roll neck in a rolling mill. The sleeve has an internally tapered section, an end section aligned axially with the internally tapered section, and a cylindric... | 10/22/2002 |
| 6415489 | Hydraulically actuated tool for mounting and dismounting rolling mill roll neck bearings A tool is disclosed for axially urging a bearing assembly into and out of a seated position on the neck of a roll in a rolling mill. The tool includes a piston surrounded by a cylinder. The piston is removably fixed to the roll neck and is configured to i... | 07/09/2002 |
| 6402074 | Apparatus for transferring rings from an inclined laying head onto a cooling conveyor An apparatus is disclosed for receiving a helical formation of rings of hot rolled steel rod emerging from a laying head, and for depositing the rings on a conveyor for continued transport away from the laying head. The apparatus operates to engage and pr... | 06/11/2002 |
| 6385989 | Coolant delivery device An apparatus is disclosed for applying a fluid coolant to the surface of rotating work roll in a rolling mill. The apparatus includes a housing having a generally concave inner edge configured and dimensioned to partially surround the surface of the work ... | 05/14/2002 |
| 6331219 | Retarded cooling system with granular insulation material A system for cooling a hot rolled steel product at a retarded cooling rate comprises a laying head for forming the product into a continuous series of rings. A conveyor receives the rings from the laying head at a receiving station and transports the ring... | 12/18/2001 |
| 6314781 | Method of wire rolling and rolling mill In a rolling mill, a mini block (MBM) is installed between a block mill (BM) and a sizing mill (SM) as a reducer for intermediate rolling. The block mill (BM) is so constructed that it is possible to use both a front group (BM1) and a rear group (BM2) of ... | 11/13/2001 |
| 6298705 | Method and apparatus for rolling concrete reinforcing elements Round bars are successively rolled through first and second roll passes. Each roll pass is defined by a pair of work rolls having cylindrical rolling surfaces with notches therein extending transversely and obliquely with respect to the rolling line, and ... | 10/09/2001 |
| 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 |
| 6237868 | Cooling pot with vertically adjustable coil plate An apparatus for receiving a continuous series of rings of a hot rolled product includes: a) a portable container having: i) a vertically disposed cylindrical side wall open at its upper and lower ends; ii) a base at the lower end of the side wall configured t... | 05/29/2001 |
