Class 72/179 - Including complementary roller-couple

Subclass of Class 72 - Metal deforming
Definition: Subject matter wherein the instrumentality includes two
No. of patents: 33
Last issue date: 01/30/2007

Number	Title	Issue Date
7171282	Shell plating developing method, shell plating manufacturing method, computer program for teaching the methods, and image recording medium for teaching the methods The present invention provides a shell plating developing method leading to reduction of the amount of machining and improvement of the efficiency in manufacturing the shell plating. In the shell plating developing method according to the invention, a shell plating ...	01/30/2007
6997026	Quick change metal stud to hemmed track roll forming system An apparatus and method for selectively forming metal stud and track members from sheet material, the apparatus including a stud forming assembly capable of transforming the sheet material into a stud member as the material exits the stud forming assembly, and a tra...	02/14/2006
6978650	Contact surface for a crimping roller in a roll forming tool A roll-forming tool for deforming a flange cap from a splayed configuration to engage a vehicle flange, the tool includes a polymeric contact surface disposed about a rigid drum. The polymeric contact surface can be in the form of a sleeve and integrally formed to t...	12/27/2005
6572721	Method of manufacturing automotive sunshade panel According to the present invention, there is provided an automotive sunshade panel formed from a metallic hollow panel and having flanged edges and a two-dimensional curved surface or a three-dimensional curved surface formed at least partially of its cen...	06/03/2003
6112568	Roll forming using turret punch press To roll form a worksheet by a turret punch press, at least one pair of coacting tools are mounted to the opposed turrets so that when those tools are rotated to the work location, they could be driven to a predetermined relative distance towards each othe...	09/05/2000
6044679	Method for machining metal plate The present invention relates to a method for forming weakenings in a metal plate (8), comprising of: deforming the metal plate to a predetermined depth to form a weakening thinned portion along at least one line; and bending the metal plate along the lin...	04/04/2000
6041632	Pipe 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
5974849	Corner bead strip tool The present invention is a tool for manually altering the angle of a sheetrock corner bead strip from approximately 90° to an angle larger than 90°. The tool includes a main frame having a base and opposing side walls. The main frame is adapted to recei...	11/02/1999
5701655	Method and apparatus for making brake shoes A method and apparatus for producing an arcuate brake shoe from a first strip of material which is to provide a web of the shoe and has a plurality of projections extending from one edge and a second strip which has a plurality of corresponding openings t...	12/30/1997
5682782	Workpiece-deforming tool and die for use in a punch press A punch press is provided with a tool bearing a workpiece-deforming roller, the tool being received in an aperture in the press for movement between a lower position in which the roller comes into deforming contact with a workpiece supported on a surface ...	11/04/1997
5575168	Workpiece-deforming tool and die for use in a punch press A self-locking workpiece-deforming tool for use in mechanical punch presses in which the ram cannot maintain continuous pressure against the tool in a depressed position. The tool includes an elongated punch guide having an interior surface defining a cha...	11/19/1996
5555759	Workpiece-deforming tool and die for use in a punch press A punch press is provided with a tool bearing a workpiece-deforming roller, the tool being received in an aperture in the press for movement between a lower position in which the roller comes into deforming contact with a workpiece supported on a surface ...	09/17/1996
5269205	Circular saw blade straightening machine A circular saw blade straightening machine for eliminating unevenness in circular saw blades is disclosed, having straightening rollers disposed on both sides of the saw blade. The rollers are disposed opposite one another on a straight line passing throu...	12/14/1993
5107695	Roll former and/or cutter with quick automated tool The apparatus comprises a pair of rotatable devices (9,11) each holding a plurality of metal shaping and/or cutting rollers (17,19;127), the rollers of one device meshing with rollers of the other device to produce specific designs or widths of material. ...	04/28/1992
4977769	Rolling machine with exchangeable rolling tools A rolling mill wherein the frame or frames for pairs of superimposed rolling tools can be lifted off the base by a crane. Each rolling tool carries a first clutch element receiving torque from a separable discrete second clutch element on a support which ...	12/18/1990
4974435	Roll formed with quick automated tool changer The apparatus comprises a pair of rotatable devices each holding a plurality of metal shaping rollers, the rollers of one device meshing with rollers of the other device to produce specific designs. This is made possible by merely selecting suitable rolle...	12/04/1990
4852430	Band saw straightening apparatus A band saw straightening machine having a sensor for detecting unevenness, a straightening station having special pairs of cooperative, complementarily shaped, blade staddling convex and concave rollers, a blade velocity measuring device, and a blade driv...	08/01/1989
4790166	Round collar maker A round collar maker having as one of its sections a conventional combination rotary machine, the collar maker having a pair of rollers on axles of the machine and having a guide provided with a cylindrical circumference which latter is arranged about an ...	12/13/1988
4787231	Roller machine for profile cold bending A roller machine for profile cold bending includes a bearing framework with mounted supports, carrying power driven shape forming calibers. The bearing framework is composed of at least two module components at the adjacent ends of which are mounted suppo...	11/29/1988
4776194	Pipe mill A pipe mill and method comprises certain improvements in pipe mills of cage-type. Edge forming roll sets, usually mounted immediately downstream of the breakdown passes, are mounted for lateral movement to compensate for strip camber or lateral creep. In ...	10/11/1988
4689261	Rounded corrugated sheet and method and apparatus for its manufacture The present invention relates to rounded corrugated sheeting (4) whose profile exhibits crest portions (5), flanks (6), and bottom portions (7). The crest portions (5) are located on the concave side of the rounded sheet and are provided with grooves form...	08/25/1987
4663957	Roll stand for a cold forming apparatus A roll stand used for a cold forming apparatus wherein a body of the roll stand has a slant surface on which a pair of non-driving rolls are installed so as to press sheet metal therebetween. The angle between the slant surface of the body and a base on w...	05/12/1987
4660399	Mobile roll-forming machine A mobile roll-forming machine for shaping of metal panels used, for example, in building construction, roofing and the like. The machine may be easily transported to the construction site for on-site formation of metal panels, and supports a roll of sheet...	04/28/1987
4578978	Roll forming apparatus A roll forming apparatus for forming a flat strip material into a channel shape. This apparatus is composed of a first driving station, a second driving station, and at least two forming stations disposed between the both driving stations. Each driving st...	04/01/1986
4483167	Forming rolls for use in the fabrication of welded tubes A complementary pair of top and bottom rolls for the initial breakdown step of a skelp in the manufacture of welded tubular products by rolling. The bottom roll has a convex midportion, a pair of concave end portions, and a pair of straight border portion...	11/20/1984
4299643	Method of making a hinged display mount A hinged display mount hinged with a thin aluminum strip is formed in a manner to prevent damage to the display mount upon bending of the hinge. The aluminum hinge is secured to a pair of panels and preformed or shaped with a die in a manner to produce a ...	11/10/1981
4251973	I-Beam construction and process therefor An I-beam has a pair of flanges separated by a web including corrugations extending transversely of the two flanges. Immediately adjacent each side of the web interconnecting the two flanges, there is provided a flat bandlike space free of corrugations. I...	02/24/1981
4238550	Dunnage bar and method of making it A dunnage bar constructed from a single strip of sheet metal formed into a tubular, rectangular configuration having a working or load engaging face and an oppositely disposed base portion connected by a pair of parallel sides. The working face has a pair...	12/09/1980
4173879	Method and apparatus for forming a metal strip A method and apparatus for forming a metal strip into a shape having a transverse concave, convex bow, for example, for forming slats for venetian blinds. The strip material is fed into the nip of a pair of forming rolls having complementary concave and c...	11/13/1979
4148206	Tube welding machine with exchangeable rolls A roll stand for horizontally journalled contoured rolls is constructed to have two windows, through one of these windows driving engagement is made to the rolls and through the other one two subassemblies may be inserted or removed together from the stan...	04/10/1979
4145905	Method and apparatus for controlling bow in venetian blind slats A method and apparatus for correcting bow in crowned strip wherein a pair of complementary rolls receive the crowned strip, one roll of the pair being adjustable toward the other, and the assembly being adjustable transversely of the path of strip movemen...	03/27/1979
4064727	Roll forming machine This disclosure relates to a roll forming machine having a plurality of sequentially-arranged forming units adapted to progressively bend edges of metal sheet into a given shape. The forming units include upper and lower rollers between which the metal sh...	12/27/1977
4010298	Underground irrigation devices and methods of making and using the same A perforated pipe method of making a perforated pipe suitable for subsurface irrigation laterals by forming indentations and perforations in indentations of sheet material then rolling the sheet material into a tube or pipe....	03/01/1977

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Class 72/179 - Including complementary roller-couple