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Match Document Document Title
8935946 Variable diameter nozzle, joint and rod forming using cam rollers  
A radial dimension of a pipe is changed by applying contiguous pipe contacting surfaces of adjacent cam rollers. Pipe contacting surfaces uniformly vary in width of curvatures as distances change...
8892180 Sine saturation transform  
A transform for determining a physiological measurement is disclosed. The transform determines a basis function index from a physiological signal obtained through a physiological sensor. A basis...
8783082 Rotary stamper  
A rotary stamper includes an upper die plate assembly, a lower die plate assembly, and a support frame having a drive assembly that moves the upper die plate horizontally and vertically along a...
8618433 Workpiece part discharge system  
A machine tool for separative machining of preferably plate-like workpieces, for example, metal sheets, has a workpiece support and a discharge device on the workpiece support. The discharge...
7647803 Rotary apparatus with multiple guides and method of forming  
A rotary forming apparatus of the type having a pair of central rotors, and one or more die carriers swingably mounted on the rotors, for repeatedly forming a sheet metal work piece moving along a...
7624609 Roll embossing of discrete features  
A cold rolling process for impressing a pattern on a surface of a sheet metal article involves passing the sheet article through a pair of rolls and engaging a patterning feature with isolated...
7552611 Sheet processing apparatus, method of use, and plastically deformed sheet  
An apparatus for plastically deforming a work piece in the form of a sheet, comprising at least two cylindrical guide rolls rotatable in a first direction, each of said cylindrical guide rolls...
7363791 Rotary stamping apparatus and method of forming sheet metal  
A rotary stamping apparatus for forming moving sheet metal and having a die assembly moveable forward and backward along a linear path, with upper and lower dies on respective sides of the sheet...
7228720 Rotary apparatus and method  
A rotary apparatus having a first rotating die assembly and a second rotating die assembly arranged in juxtaposition with one another on respective first and second sides of a strip work piece...
7047782 Method for roll forming, capable of preventing wrinkles and device therefor  
A die roll 3 comprises a core part 3a which is formed of an elastic material and faces a punch part 2a of a punch roll 2. The core part 3a presses a bottom portion 4b of a drawn portion 4a of a...
6339947 Rotary apparatus with moveable die  
A rotary apparatus (20) for rotary forming of a web workpiece (12) and having a rotatable first roll unit (32) and corresponding rotatable second roll unit (34), a first die support (46) carried...
6192297 Method for handling metal sheets in a working area comprising a machine tool and a robot  
A method for moving metal sheets of a working area by an antropomorphous robot comprises a) taking of preselected fixed input data that identify the geometry in the space of components of a...
6018973 Rotary forming apparatus and method of rotary forming  
A rotary forming apparatus (10) having a pair of lower and upper die carrier units (14, 16) each of which is rotatable on opposite sides of a workpiece (W), and having a plurality of die supports...
5983693 Rotary press with cut off apparatus  
A rotary apparatus (20) for rotary forming of a web workpiece (12) and having a rotatable first roll unit (32) and corresponding rotatable second roll unit (34), a first die support (46) carried...
5689989 Method for the zigzag-like folding of a strip-like foil  
The method for the zigzag-like folding of a strip-like foil includes the following steps in an advantageous embodiment: 1. prepleating, whereby a zigzag-like or wave-shaped folding is effected in...
5673582 Planetary mill  
A planetary mill having two stationary backing bodies, located one above the other in chocks in a roll stand. Two synchronously rotary-driven cage rings are coaxially mounted on the backing bodies...
5561998 Rotary forming apparatus and method  
A rotary apparatus (10) for forming materials such as sheet metal has upper and lower rotary members (12,14) rotating in unison on opposite sides of a moving strip of material, at least one die...
5546781 Process for the production of a toothed rack via cold forming, the rack produced thereby, and an apparatus for practicing the process  
Process for the production of a toothed rack via cold forming, the rack produced thereby, and an apparatus for practicing the process. The cold formed rack workpiece shows multiple traces of cold...
5287714 Roll stand for a planetary rolling mill  
A roll stand for a planetary rolling mill having a housing, and two stationary support members mounted in chocks, with rolling segments and intermediate and work rolls mounted in rotationally...
5170652 Planetary rolling mill  
A roll stand for a planetary rolling mill includes two stationary opposed support bodies having an axis and forming a shaping zone there between; a plurality of intermediate rolls and a plurality...
5133205 System and process for forming thin flat hot rolled steel strip  
A continuous process and system for making flat rolled steel or ferrous metal strip having a minimum thickness sufficient to allow substantially direct product manufacture therefrom, wherein a...
5109583 Method of manufacturing barbed tape  
A barbed tape with a longitudinally extending strengthening groove is formed by pushing a strip of barbed tape to and through forming rolls which cooperate with the tape and a wire mandrel. The...
5035131 Roll stand for a planetary rolling mill  
To substantially increase the periods of time between the changing of rolling segments and to reduce the amount of work connected therewith in a roll stand for a planetary rolling mill, chocks in...
RE33613 Rotary apparatus  
A rotary cutting and forming apparatus for strip material, having has rotatable upper and lower roll units, the units being connected for synchronous rotation, each of the units having a carrier...
4920775 Apparatus for making barbed tape  
An apparatus and process is provided for forming a helical barbed tape. The process first involves supplying rolled steel which is passed to an apparatus for blanking barbs and cutting the steel...
4838066 Process and a device for the production of grooves on a wall of revolution  
The process according to the invention relates to the production of grooves such as helical threads on the wall of tubes composed of ductile or plastic materials without removal of matter.It...
4802356 Apparatus of processing continuously cast slabs  
A method and apparatus of processing a continuously cast slab to prevent the formation of surface cracks by applying plastic strains to the surface layer of the slab in which a process of...
4787598 Apparatus for the continuous production of pipes with cross-profiled walls  
The invention relates to an apparatus for the continuous production of pipes with cross-profiled walls from a pipe strand of thermoplastic plastic emerging in still plastic state from an extrusion...
4429559 Strip processing apparatus  
A recirculating strip processing apparatus is described comprising a recirculating stripper chain, a recirculating tool chain, a recirculating carrier follower chain and a recirculating die chain...
4409813 Method and apparatus for corrugating strips  
The invention relates to a method and a machine for transversely corrugating a continuous strip of metallic foil. The product foil comprises a succession of alternately disposed corrugations, each...
4407056 Method and apparatus for manufacturing metal sections  
In making metal sections, starting material having a quadrangular cross-section is hot-forged into a blank resembling the desired product in cross-section, and the length of the piece is divided...
4388818 Method and apparatus for fabricating precision teeth  
An approximately shaped or formed gear is fabricated in any desired way and is then corrected by means of substantially ring-shaped rolls or rolling tools performing striking or hammering...
4052873 Apparatus for continuous pressing of bolts, screw blanks or similar parts  
Apparatus for shearing blanks from elongated workpieces and for pressing such blanks into screw blanks, bolts or the like in a continuous operation comprises a plurality of preferably cylindrical...
4045990 Endless reinforcement  
An endless reinforcement comprising a unitary strip positioned across the width of the reinforcement from one side to the other at an angle to the edges of the reinforcement, the unitary strip...
4027517 Method and apparatus for embossing sheet metal strip and sheet metal panel  
This specification discloses strip sheet metal panels formed with transverse indentations and longitudinal formations formed therein, with end portions at each end of said panels being free of...
4025599 Cuspated sheet forming  
A continuous process of forming a sheet of thermoplastic material by sequentially pressing against one face of the hot sheet of material the cold tips of projections set in and extending normally...
4019358 Rolling mill  
In a rolling mill for a metal workpiece and comprising a pair of rotary work rolls for reducing the thickness of the workpiece when it is fed therebetween, a carrier for at least one of the work...
4012932 Machine for manufacturing herringbone-pleated structures  
A machine for manufacturing herringbone-pleated structures of a type particularly suitable for use in cylindrical or flat filter elements. The machine includes consecutive feeding forming and...
3979937 Paired-roll straightening machine  
A paired-roll straightening machine designed for straightening rolled shapes, round and shaped tubes and rolled section stock comprises a number of stationarily installed stands mounting pairs of...
3943617 Novel apparatus and solid state method for converting small pieces of metal to a workpiece  
A method of converting scrap or other small pieces of metal into a useful, commercial product while maintaining the metal in a solid state. According to the process, the pieces are maintained...
3909909 Harmonic press and method of forging  
Disclosure of a method and apparatus for forming metal products from scrap or other small pieces. Pieces of scrap metal are bonded together by baling into bales of from 20% to 50% metal by volume....
3908422 Planetary rolling mill  
A rolling mill comprises a working stand accommodating planetary (rolls) assemblies. Each assembly has an idle backup roll provided on an eccentric portion of the axle of that roll with the...
3908423 Rod and bar mill  
A rod or bar mill stand intended as the first stand of a continuous rod or bar mill has work rolls carried by rocking mountings which are driven to cause each roll to follow an elliptical path. In...
3871206 CONTINUOUS ROTARY PRESS  
A continuous rotary press is disclosed which essentially comprises a rotary turret rotatable about a drive shaft, a pair of cam grooves stationarily held in position by a press bench and a...
3869926 DEVICE FOR BENDING SERPENTINE STRUTS  
A device for bending strips of metal to form serpentine struts by passing the strips of metal through two sets of bending tools moving simultaneously in a direction parallel to the direction of...
3858423 ANVIL ROLLBED CYCLIC MILL AND METHOD OF ROLLING  
A cyclic rolling mill is disclosed wherein one or more back-up work rolls of small diameter concurrently traverse, and gradually approach, an anvil. The anvil comprises a plurality of rounded...
3850494 ROTARY PRESS  
A rotary press in which outer and inner tool carriers rotate in synchronism on respective spaced parallel axes while tool sets on the tool carriers operate workpieces introduced between the tools...
3827270 DEBURRING DEVICES  
An edge of sheet metal or other sheet material to be deburred is peened and/or rolled by plural peening or rolling elements loosely contained by a rapidly rotatable annular retainer formed with a...
3805579 WIRE FORMING METHOD  
A wire forming machine and method imparts an undulatory configuration to a strand of wire and includes a pair of wheels disposed alongside each other and rotatable about angularly disposed axes....
3789646 PLANETARY MILL FOR PRODUCING SCALLOP-FREE STRIP  
This application discloses an improvement in planetary rolling mills, making possible a rolling of flat strip, free from scallop, without the need for a planishing mill to smooth out the scallops...

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