U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Celebrity Inventors

Glam girl Heddy Lamar may have used her good looks to good effect on the silver screen, but she put her smarts to better use as an inventor. During World War II, she co-patented a frequency-switching system for torpedo guidance that was considered years ahead of its time.

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 72/248 - With "screw-down" to adjust bite of tool-couple


Subclass of Class 72 - Metal deforming
Definition: Subject matter including means to reposition one of the
No. of patents: 85
Last issue date: 12/25/2007


1      
NumberTitleIssue Date
7310982Rolling 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
7257978Compact cantilever rolling mill and a method of producing a metallic product
The invention relates to an apparatus for rolling a metallic product comprising a mill frame (18), a first cantilever roll shaft (19), a second cantilever roll shaft (20), both said roll shafts (19, 20) being mounted on the mill frame (
08/21/2007
7111486Roll stand for hot-rolling or cold-rolling metallic strips
The invention relates to a roll stand for hot-rolling or cold-rolling metallic strips. The roll stand comprises back-up rolls and work rolls (2, 3; 4, 5) which are respectively positioned in chocks (6; 7) in a rotating manner. Each chock (6; 7) ...
09/26/2006
7047783Auxiliary adjusting device for rolling mill stand
An auxiliary adjusting device for a rolling mill stand includes a adjusting shaft, a cylindrical member forming an adjusting spindle and having a first outer thread cooperating with the inner thread of a support sleeve fixedly connected to the cross-beam, and a cent...
05/23/2006
6997630Document feeder device with a roller adjustment device
A document feeder device is disclosed. The document feeder device includes a frame, a first roller shaft coupled to the frame, and a second roller shaft coupled to the frame. The first shaft is cantilevered. The document feeder device further includes a bearing coup...
02/14/2006
6962097Mechanical steering transmission unit
The present invention concerns a mechanical steering transmission unit comprising an input drive shaft and two output driven shafts that can revolve in the same or opposite direction at the same speed. ...
11/08/2005
6959579Triple 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
6938450Double 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
6920772Pinch 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
6561003Support system for cantilevered-roll shafts
A rolling stand has a frame and a pair of support shafts centered on respective parallel shaft axes and each having an outer end projecting past the frame, inner and outer axially spaced bearing portions in the frame, and a gear between the respective inn...
05/13/2003
6510721Rolling mill
Work rolls opposed to each other have shafts rotatably supported by upper and lower work roll chocks of a housing, a screw down device for applying a predetermined pressure to the upper work roll is provided in an upper portion of the housing, screw mecha...
01/28/2003
6401506Sheet rolling method and sheet rolling mill
In a rolling method applied to a multi-roll strip rolling mill composed of not less than four rolls, one of the zero point of the roll positioning devices and the deformation characteristic of the strip rolling mill or alternatively both the zero point of...
06/11/2002
6354127Straightener for rolled ferrous products, having horizontally openable shoulders for fast change of the rolls
The invention refers to a straightener for rolled ferrous products, of the type in which a framework (11) comprises a pair of opposed shoulders (12, 13) which support two sets of rolls, a top set (14) and a bottom set (15), which define between them a str...
03/12/2002
6282932Axial and transverse roller die adjustment apparatus and method
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...
09/04/2001
6209377Housingless roll stand
A roll stand for a rolling mill, comprising: a support structure adapted to be fixed at a selected location along a mill center line. First and second work rolls are configured and arranged to roll products directed therebetween. The first work roll has r...
04/03/2001
6170311Device with a stepped adjustment for adapting the vertical position of rolls to the rolling line
A device with a stepped adjustment for adapting the vertical position of the rolls of a roll stand to the rolling line, wherein the rolls are supported on both sides in chocks and arranged so as to be raisable and lowerable in roll housings, particularly ...
01/09/2001
6109083Device for continuously rolling a sheet-metal strip into a profile with profile limbs of straight cross section, in particular for producing longitudinally welded rectangular tubes
A description is given of a device for continuously rolling a sheet-metal strip into a profile with profile limbs of straight cross section, in particular for producing longitudinally welded rectangular tubes specifically with the aid of former rolls (13)...
08/29/2000
6065318Housingless rolling mill
A housingless rolling mill having an upper and lower work roll, upper bearing blocks and lower bearing blocks for supporting the upper and lower work rolls, and screw-down cylinders for pulling the upper and lower bearing blocks vertically toward each oth...
05/23/2000
6062295Device for withdrawing a strand
A device for withdrawing a strand, especially a metal strand, from a continuous casting mold, includes drivable rollers that are located on opposite sides of the strand and are rotatably mounted on both sides in chocks. For adjustment to the strand cross-...
05/16/2000
6035685Rolling unit
Disclosed is a rolling unit (10) consisting of two roll stands (12, 14). The roll stands (12, 14) each have pairs of openings (24a) defined through a housing (24) to locate on each side of the pass line (PL), and a pair of eccentric members (26) each havi...
03/14/2000
5987954Eccentric-journal mount for rolling-frame support shafts
A rolling apparatus has a frame and a first eccentric journal sleeve mounted on the frame, defining a first axis, and having axially inner and outer ends. A first shaft journaled in the sleeve has respective inner and outer ends at the first-sleeve inner ...
11/23/1999
5921152Optional multi-ratio gear transmission system
Successive roll stands in a rolling mill are driven at selectively different drive speed ratios by a transmission system having a pair of drive shafts and a least one idler shaft journalled for rotation about parallel axes. First and second gear trains ea...
07/13/1999
5823037Electrically heated metal strip rolling mill
The invention relates to an electrically heated metal strip rolling mill comprising: front and back reels for supporting a metal strip; electric power suppliers; a roll stand having a base, a roll support frame having upper and lower casings being fastene...
10/20/1998
5799526Process and plant for cold rolling with compensation for ovalization of the rolling rolls
A process for the cold rolling of a metal strip between rollers of rolling stands arranged sequentially is provided, along with a plant for its implementation, wherein the process involves: analyzing, as a function of frequency, a signal from an inter-stand te...
09/01/1998
5775154Method 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
5743126Roll stand with separable roll parting adjustment module
A roll stand for a rolling mill has a housing with a through opening. The housing rotatably supports a pair of roll shafts, at least one of which is journalled for rotation in the eccentric bores of interconnected sleeves. The roll shafts carry work rolls...
04/28/1998
5666845Rolling mill
A rolling mill of the present invention includes a mill stand formed by two spaced apart housings. The housings are configured to rotatably hold one of at least two sets of rolls. A hold-down assembly is coupled to the housings. The hold-down assembly inc...
09/16/1997
5632174Metal bending machine
A metal bending machine comprising a lower pinchroller composed of modular interchangeable segments, and upper pinchroller composed of modular interchangeable segments, and a radius roller composed of modular interchangeable segments, the lower pinchrolle...
05/27/1997
5613392Horizontal/vertical roll stand
A horizontal/vertical roll stand with a pair of work rolls which can be exchangeably mounted with chocks and adjusting spindles in the stand includes a housing which is formed by four posts which extend from the corners of a common base plate, wherein the...
03/25/1997
5596899Mill housings for cluster mills
A two-part housing assembly for a cluster mill. The housing assembly has substantially the same size, form and structure as a monobloc housing, but is divided along a horizontal plane located at or close to its horizontal center line into upper and lower ...
01/28/1997
5590557Roll stand
A roll stand for a pair of work rolls includes a housing with two side walls arranged on a common base plate. A cube-shaped receiving space which is open toward the top and toward two sides and is provided with guide surfaces for an insertable roll casset...
01/07/1997
5524469Rolling mill stand
The invention focuses on improvements to cantilevered roughing, intermediate and finishing rolling mill stands, primarily for long products. A basic improvement to 2-high and cluster mill stands includes mounting of the rolling bearings upon a stationary ...
06/11/1996
5423201Apparatus for continuously shaping a metal tube
An apparatus is provided for continuously shaping a metal tube by means of shaping rollers, which are arranged around the tube and consist of pairs of rollers disposed on opposite sides of the axis of the tube. It is desired to permit an adaptation of the...
06/13/1995
5400632Demountable rolling stand
A demountable rolling stand having a support base, a pair of rolling cylinders with necks formed thereon, two side structures for supporting the rolling cylinders laterally therebetween, at least two pairs of pretensioning tie-rods engaging the side struc...
03/28/1995
5365764Cross rolling mill, cross rolling method and cross rolling mill system
In a rolling mill comprising upper and lower work rolls crossed each other to perform strip crown control, a straight line connecting the center of an operation side screwdown screw and the center of a drive side screwdown screw is inclined relative to a ...
11/22/1994
5355707Rolling mill and method for operating rolling mill
A rolling mill in which an upper housing is guided upward and downward along columns, a fluid chamber is formed between the upper end section of each column and a column insertion hole of the upper housing; a fixed piston fixedly mounted on the column is ...
10/18/1994
5148960Rotary seam guide
The invention comprises an apparatus for aligning and guiding the seam of newly formed tube as it enters the welding mechanism in the manufacture of continuous seam-welded metal tubes or pipes. A rotary seam guide member having an alignment fin is mounted...
09/22/1992
5144827Rolling mill stand
The present invention is to provide a compact roll stand apparatus, particularly of four-roll type, comprising both a roll parting adjustment device and an all-roll drive device. Further in detail, a roll stand apparatus comprising: a plurality of grooved...
09/08/1992
5142896Cluster mill with hydraulic screw-down
The invention relates to a cluster mill having four columns 5, 6 connecting the lower part 1 and the upper part 2 for the sets of rolls 3, 4. Associated with each column 5, 6 is a lifting device 11, 12 enabling the lower part 1 and the upper part 2 to be ...
09/01/1992
5127251Cantilevered rolling mill assembly
A rolling mill assembly (1) for metal sections equipped with a drive assembly (27) comprising means (7) of rotating a pair of shafts (2, 3) each of which supports a rolling mill roll (12, 13) locked between two supports (16, 17), said drive assembly (27) ...
07/07/1992
1      
 
Sign InRegister
Username  
Password   
forgot password?