Class 72/12.5 - Sensing lead end or tail end

Subclass of Class 72 - Metal deforming
Definition: Subject matter including detecting the forward edge or the
No. of patents: 36
Last issue date: 01/01/2008

Number	Title	Issue Date
7315230	Adjustable solenoid Embodiments of the present invention provide solenoid plungers, solenoid actuators, and solenoid-actuated mechanisms, that provide for an adjustable stroke, adjustable rated force, and adjustable plunger extension that overcome the problems and issues associated wit...	01/01/2008
7310984	Forming apparatus for precambered metal sections A forming apparatus (50) includes a roll former (51) operative to roll form a metal strip (100) to form a profiled metal section (10) of generally C section profile including a pan (12) and a pair of upstanding edge margins (14	12/25/2007
7281402	Method and apparatus for optimizing forging processes A method and apparatus for optimizing the forging of a workpiece that is moved along a longitudinal axis of a forging press. The method includes detecting the relative positions of the first and second ends of the workpiece along the longitudinal axis and calculatin...	10/16/2007
7213431	Method of manufacturing an aluminum alloy wheel A method of manufacturing an aluminum alloy wheel, comprising the steps of producing an elongated strip of alloy blank with a desired cross-section by squeezing an alloy material, pre-curving the two ends of said blank into arcs, placing one end of said blank betwee...	05/08/2007
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
6959571	Rolling mill and method for operating same Hydraulic cylinders are provided in a housing so as to be opposed to work rolls and backup rolls. Before a front end portion of a rollable material is engaged between the work rolls, the working oil pressure of the hydraulic cylinders is set at a high pressure value...	11/01/2005
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
6915674	Hinged saw table, system, and method for forming and cutting an elongate workpiece A hinged saw table having a sliding carrier for mounting and sliding a portable table saw. The hinged saw table is mounted adjacent to a forming machine that forms stock that is cut with the portable table saw. Elongate stock exits from an exit aperture in the formi...	07/12/2005
6526792	Method for minimizing thickened ends during the rolling of pipes in a stretch reducing mill The invention relates to a method for minimizing thickened ends during the rolling of tubes in a stretch-reducing mill by means of a change in time of the torque of individual driven roll stands when the tube front end and the tube rear end run through th...	03/04/2003
6449996	Method of hot-rolling metal pieces The present invention eliminates the need to stop the operation of a line even when trouble arises before, during, or after an operation of joining metal blocks in hot rolling. According to a specific solving means of the present invention, when a succeed...	09/17/2002
6230531	Rolling data collecting method and system The rolling data collecting system according to this invention collects rolling data of a rolled strip to be serially rolled through a tandem rolling mill, using the first rolling data measuring means installed at each roll stand and the second rolling da...	05/15/2001
6167736	Tension control system and method for reducing front end and tail end overfill of a continuously hot rolled product A system for controlling front and tail end gauge of a continuous hot rolled product in a rolling mill includes first and second individually driven roll stands arranged successively along said pass line in advance of a group of roll stands. A controller ...	01/02/2001
6148653	Rolling apparatus and a rolling method The present invention aims to provide a rolling system and a rolling method capable of avoiding the occurrence of a pinch fold by effectively preventing the zigzag movement of a rear end portion of a material to be rolled. The rotational speeds (rolling s...	11/21/2000
5634360	Guiding apparatus for roughing mill A guiding method and apparatus are presented for preventing the generation of lateral curving in a rolled slab produced in a roughing mill train, consisting of an edging mill and a horizontal mill in tandem, for example. The apparatus basically includes a...	06/03/1997
5533370	Tube rolling method and apparatus According to the rolling method and the apparatus to be used for its execution of the invention, by rolling a tube to be rolled by using four rolls possessing roll grooves for forming a caliber in a shape of having a relief portion, cold reducing or cold ...	07/09/1996
5392624	Process and unit for rolling metal to produce a round bar or wire rod from a round bar or wire rod having a larger diameter A process and unit for hot- and cold-rolling ferrous and non-ferrous metals in order to produce a round bar or wire rod from a round bar or wire rod having a larger diameter. The process consists in inserting a bar or wire rod, whose initial profile has a...	02/28/1995
5327754	Method and apparatus for controlling the passage of rolled stock of little longitudinal tensile strength through a continuous rolling mill In controlling the passage of rolled stock under little longitudinal tensile stress through a continuous rolling mill by secondary-controlled hydrostatic drives for the individual rolling stands, the rotary speeds of the hydromotors associated with the dr...	07/12/1994
5235834	Control system and method for switching pivot stands in a tandem rolling mill In a master speed regulator system for a multi-stand rolling mill, a control system and method for switching a pivot stand via a bumpless transfer back and forth from the second stand to the last stand depending on the phases of the mill and while the mil...	08/17/1993
5216911	Automatic cold-pilger mill stop apparatus An automatic stop apparatus for use in combination with a cold-pilger mill to reduce the amount of tube scrap generated during a cold-pilgering operation includes a first control scheme for stopping the advancement of the pilger mill feed carriage and the...	06/08/1993
5156033	Method of cutting steel products in a rolling line A multiplicity of cooled steel products, after having been severed from an as-rolled steel, divided into sectional bars and delivered to and accumulated on a cooling hearth, are taken from the cooling hearth, and delivered to a multi-bar straightening mac...	10/20/1992
4984444	Method of reducing tubular products A method of reducing tubular metal products includes the steps of selecting a tube to be reduced having the specified initial wall thickness necessary to produce the desired finished wall thickness, and reducing the tube by passing it through a succession...	01/15/1991
4763500	Roller track monitoring in rolling mills A roller track in a flat stock rolling mill facility includes rollers journalled in a frame having tranversely oriented stiffening traverses extending essentially axis parallel to the rollers, a sensing device for ascertaining absence and presence of roll...	08/16/1988
4719779	Heat shield arrangements A heat shield arrangement for a hot-rolling mill has thin-walled heat insulating panels above below and at the sides of a hot material path through the mill. The upper and/or side panels are adjustable in position to reduce the free space around the mater...	01/19/1988
4643013	Coil guide system for hot strip mills A first pair of generally cylindrical rollers are positioned on a run-out table. Each of the rollers has a first section including the first end of the rollers which is of a first diameter, a second section including the second end of the rollers of a sec...	02/17/1987
4627254	Cutting device for a multi-dimensional bending apparatus A multi-dimensional bending apparatus is disclosed, wherein the entire length of the product is divided into a plurality of imaginary segments which are identified by detecting the continuously supplied length of an elongate material. The material is bent...	12/09/1986
4578983	Press type method of and apparatus for reducing slab width A press type method of reducing the slab width wherein a slab as a rolling stock is reduced in width before rolling comprises: employing as press tools a pair of opposed members at least one of which has an inclined press surface adapted to vibrate in the...	04/01/1986
4559819	Selecting the cut-off end portion of rolled sheet stock The method as described is an attempt to minimize the length of the sheet stock to be cut off at the end of rolled stock as waste. This minimizing should be carried out on-line, and it is suggested that immediately following straightening the rolled sheet...	12/24/1985
4555922	Adaptive strip wedge control for reversing mill A process of rolling steel in a reversing mill by passing the steel back and forth through the mill for a selected number of passes to achieve the desired thickness and on at least two early passes, each in a different direction, tapering the ends of the ...	12/03/1985
4497192	Process for cropping the head of self-luminous rolled material, especially metal strips and system for cropping the head The invention relates to a process for cropping the head of self-luminous rolled material, especially metal strips when it passes a rolling train. A line scanning camera is used for detecting the shape of the head by repeatedly generating optical images o...	02/05/1985
4413494	Pinch roll system for vertical laying heads In a rolling mill wherein hot rolled rod is directed along a downwardly curved path into a vertical laying head which forms the rod into a series of rings, a method of and apparatus for propelling the rod through the laying head. The rod is passed between...	11/08/1983
4363394	Apparatus for conveying rolled stock Rolled stock is conveyed from two side-by-side rolling mills to two cooling beds. Stock can be conveyed from each mill to either one or the other of the cooling beds. Two swingable rollerway sections are provided in each rolled stock line connecting the m...	12/14/1982
4275578	Apparatus for manufacturing tubes by continuous hot rolling A method and apparatus in a hot multi-stand tube mill for producing a thin metallic tube having end portions which corresponds to the wall thickness and diameter of the rest of the rolled tube or alternately, tapered ends. Each stand is provided with a se...	06/30/1981
4164133	Apparatus for forming circularly bent articles from a straight metal profiled strip Apparatus for forming circular rims for bicycle wheels from metal profiled strip material in which first strip pieces are cut to a length corresponding to the circumferential length of the rims, curved end portions are formed on each strip piece, and each...	08/14/1979
4054982	Method of forming circularly bent articles, in particular wheel rims, from a straight metal profile strip and apparatus for performing the method A method of forming circular rims for bicycle wheels from metal profiled strip material in which first strip pieces are cut to a length corresponding to the circumferential length of the rims, curved end portions are formed on each strip piece, and each s...	10/25/1977
3972211	Bar end dropper for forging machines or the like A control system is disclosed for a hot forging machine which is supplied with lengths of stock. The system provides automatic rejection of workpieces cut from the rearward end of one length of stock and the forward end of a subsequent length of stock. Th...	08/03/1976
3942697	Hot strip rolling apparatus In hot strip rolling apparatus a driving roll stand is located between a rolling stand for producing the hot strip and a strip take-up reel. The driving roll stand comprises a pair of rolls capable of axial floating movement during take-up of the strip on...	03/09/1976

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Class 72/12.5 - Sensing lead end or tail end