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

Icon_funbox Bizarre Patents

Patent No. 6004596

Sealed Crustless Sandwich

A sealed crustless sandwich for providing a convenient sandwich without an outer crust which can be stored for long periods of time without a central filling from leaking outwardly.

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 72/14.4 - Sensing force on tool


Subclass of Class 72 - Metal deforming
Definition: Subject matter including detecting the pressure applied
No. of patents: 55
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
7134304Micro-roll forming device
A micro-roll forming device for providing a cylindrical blank metal article with a minute convexoconcave bearing surface, comprises a powered article holding structure that, when energized, rotates the cylindrical blank metal article about its axis; a forming tool t...
11/14/2006
7103520Methods and apparatus for model based shrouded bellows stiffness determinations
A modeling system predicts natural frequency responses in tube sub-systems including shrouded bellows components. The system determines a stiffness multiplier from input values and uses the determined flexibility factor to determine the natural frequency responses. ...
09/05/2006
7055354Method for adjusting a flattener under traction and corresponding device
The invention concerns a method for adjusting a flattener under traction and a corresponding device, for providing a metal strip (5) in particular a cold-rolled steel plate, comprising a cage (1), cage posts (8), two stacked cassettes (2, 3
06/06/2006
6912883Load 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
6694793Process in joining
In a process in roller folding a folding roller is moved against a workpiece. The urging force of the folding roller against the workpiece is resilient, and the folding roller moves in a path along the workpiece by means of a movement device provided with...
02/24/2004
6619087Strip rolling method and strip 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...
09/16/2003
6523383Monitoring 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
6434988Tool controlling apparatus
A tool controlling apparatus includes a position controlling unit and a torque controlling unit for carrying out the conversion between the position control and the torque control of the tool for pushing the work, and the conversion of the torque in the t...
08/20/2002
6418767Round die type form rolling apparatus
A round die type form rolling apparatus comprises: a pair of die moving blocks 15a, 15b rotatably supporting a pair of round dies 12a, 12b; four beam shafts 19 disposed around the rolling position of a work 33 being rolled by the round dies 12a, 12b and e...
07/16/2002
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
6354128Method to eliminate the play between chocks and relative support blocks in four-high rolling stands and relative device
A method to eliminate the play between the chock (13) and the support element (16) in four-high rolling stands (10), the rolling stand (10) comprising working rolls (12) and back-up rolls (11) assembled on respective chocks (13, 14), support blocks (16) t...
03/12/2002
6318140Method of manufacturing laminated ring and apparatus for measuring circumferential length difference of ring in such method
A laminated ring is manufactured by severing a cylindrical drum, which comprises a sheet of maraging steel with welded opposite ends, into a plurality of rings of predetermined width, rolling the rings to a predetermined target circumferential length, cor...
11/20/2001
6266989Method and machine for straightening sections
A method and a machine for straightening sections by eliminating multi-axle deviations from the required section and from the required straightness using one or more straightening tools arranged, in series above and below the material to be straightened, ...
07/31/2001
6142000Method of operating a rolling mill for hot-rolling and cold-rolling of flat products
A method of operating a rolling mill for hot-rolling and cold-rolling of flat products in one or more roll stands each having two or more rolls, wherein the roll gaps are regulated so as to correct the differential force between the drive side and the ope...
11/07/2000
6082161Method and apparatus of stably controlling rolling mill
In a stabilization control of rolling, proportional differential control of snake motion of a to-be-rolled material caused during a rolling process, is achieved on the basis of a lateral deviation of loads which are detected by load sensors disposed on a ...
07/04/2000
6041632Pipe forming roll apparatus and method
A forming stand for continuously forming a skelp material into a pipe, by pressure of spaced-apart forming rolls supported by spaced upper and lower shafts, the forming rolls having two portions, with one portion fixedly fitted on one side of its shaft, a...
03/28/2000
6000259Position-controlled edging stand arranged in front of a finishing train for continuously cast strip material
A finishing train for continuously cast strip material and a method of operating the finiching train, wherein an edging stand is arranged in front of the finishing train for preventing strip material cracks occurring during the reduction of the strip thic...
12/14/1999
5901592Rolling 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
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
5755128Method and apparatus for isothermally rolling strip product
The present invention provides a hot reversing rolling mill for isothermally reducing a metal strip product. The mill includes a hot reversing mill stand with a pair of coilers positioned on opposite sides of the mill stand. At least one heater is positio...
05/26/1998
5699729Roll having means for determining pressure distribution
A roll system for use particularly in a papermaking press nip for dewatering a fibrous web, comprising a roll disposed so as to rotatingly cooperate with another roll in a press nip, the roll having a helical sensor for sensing pressure exhibited on the r...
12/23/1997
5673579Welded steel pipe manufacturing apparatus and method
In welded pipe manufacturing a steel strip is fed and bent by forming rolls into a pipe. A load detector is provided for a roll rotary shaft of each forming roll; a forming roll inclination adjustment device inclines the roll rotary shaft. The roll shaft ...
10/07/1997
5666837Rolling mill and method of using the same
A work roll cross type rolling mill comprises a pair of work rolls and a pair of back-up rolls for backing up the work rolls. The back-up rolls are so arranged that their axes can be inclined within horizontal planes only to three or four specific angular...
09/16/1997
5406817Rolling mill and rolling method
A rolling mill has a work roll and a back-up roll for supporting the work roll vertically and driving it. A plurality of horizontal support rollers contact the work roll at barrel diameter outside the rolling region and at a both horizontal sides of the w...
04/18/1995
5325693Apparatus for the continuous production of helical or annular corrugated metal tubes
In a process for the continuous production of helical or annular corrugated, thin-walled, in particular longitudinally welded metal tubes, in which a freely rotating roller ring in a turntable corrugation head, which is eccentric with respect to the smoot...
07/05/1994
5187960Apparatus for supporting reduction rolls in a rolling mill
An apparatus for supporting a plurality of reduction rolls in a rolling mill. The reduction rolls are individually supported by support structures within the mill housing. Load cells are disposed between one of the suppport structures and the mill housing...
02/23/1993
5090224Method of determining the spring characteristic of a roll stand
A method of determining the spring characteristic of a roughing and finishing stand and a method of adjusting the roll gap of the roll stand prior to rolling, particularly for rolling lightweight sections with narrow tolerances, wherein at least one horiz...
02/25/1992
4993270Process and device for measuring the pressing force between the rolls of a roll stand
Process for measuring the forces between the working rolls of a roll stand, in which several extended load cells (51, 52, 53) placed between the working rolls (13, 14) are aligned in a plane passing through the axes of these rolls and distributed symmetri...
02/19/1991
4962655Rolling stand with rolling rings supported as a cantilever and having their axes at an angle to each other
Rolling stand with rolling rings supported as a cantilever and having their axes at an angle to each other for the rolling of metallic products, the axes of the rolling rings being horizontal, vertical or tilted, the stand comprising shafts (16) to bear t...
10/16/1990
4938045Method of ascertaining the magnitude of forces acting upon rolls in rolling mills
The magnitude of forces which act upon the rolls in rolling mills can be ascertained by directly monitoring the extent of deformation of the rolls under the action of forces which are applied to the rolls in actual use of the rolling mill. The monitoring ...
07/03/1990
4918964Adjusting mechanism for a universal stand
An adjusting mechanism for a universal stand, particularly for a finishing stand in a group of compact roll stands and a method for operating the adjusting mechanism. The adjusting mechanism includes two hydraulic control cylinders for at least one horizo...
04/24/1990
4860564Method and apparatus for taper rolling control for a rolling mill
A method and apparatus for rolling a taper in or out of a strip during reduction by a rolling mill, rolling a first portion of the strip by employment of a gaugemeter roll gap control system using a first value for the mill stretch above the natural mill ...
08/29/1989
4852515Device for automatically controlling coating amount for use in coating machine
A device for automatically controlling coating amount for use in a coating machine including a backup roll, an applicator roll, a pickup roll, a base, a first table slidably mounted on the base and a second table slidably mounted on the first table. The d...
08/01/1989
4813255System for sensing and forming objects such as leads of electronic components
An automatic lead sensing and fine-forming system is disclosed for preparing the leads of electronic components so that they are ready to be inserted by robots into holes on printed circuit boards. The positions of the lead tips and the positions of the h...
03/21/1989
4779442Method and apparatus for measuring forces on a workpiece during drawing or ironing
A method and apparatus for measuring the sidewall tension in a workpiece being drawn through a draw die and/or ironing die. A punch is provided which is adapted to measure and continuously monitor the axial load on the punch nose and the total axial load ...
10/25/1988
4753093Planarity control in the rolling of flat stock
A conventional planarity control system with feedback loop is used but augmented by a lead function having its principal input actually occuring rolling force and variations thereof under consideration of the statistical relationship between rolling force...
06/28/1988
4751837Method and apparatus for level control of rolling mill rolls
A method and apparatus for height or level-positioning of rolls in rolling mill frames, for adapting the upper edge of the lower working roll to the rolling plane, and for changing the rolls, expecially in four-high mills equipped with a roll changing car...
06/21/1988
4702099Method for automatically adjusting the rolls in a universal type mill stand
The rolls of a universal type mill stand are adjusted by moving the lower horizontal roll into position, directly or iteratively, by shifting the upper horizontal roll axially under utilization of the vertical rolls. In the case of conical rolls the latte...
10/27/1987
4698990Method for support roller adjustment in straightening machines
A straightening machine includes an array of flexible straightening rollers and an array of complementary rollers which alternate with the straightening rollers in direction normal to the axes of such rollers, the complementary rollers being arranged at a...
10/13/1987
1    
 
Sign InRegister
Username  
Password   
forgot password?