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8141402 |
Pretension loading method for power transmission chain and pretension loading apparatus
There is provided a pretension loading method for a power transmission chain, in which a chain with an endless loop shape having a plurality of laminated link plates bendably connected to each...
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7328597 |
Circumferential length correcting method and apparatus for metal ring
A circumferential length correcting method for a metal ring including: a circumferential length measuring step of passing the metal ring around a driving roller and a driven roller, displacing the...
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7204005 |
Manufacturing method of endless metal belt and manufacturing apparatus of endless metal belt
A manufacturing method of an endless metal belt having metal rings built up and differing in circumference, includes the following steps of: a first circumference correction step of expanding each...
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7168279 |
Method of manufacturing metal ring for endless metal belt
A metal ring with smaller stress concentration is manufactured, and the manufacture and maintenance of a rolling roller for transferring a mesh-shaped unevenness to the metal ring is facilitated. A...
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7140218 |
Rolling apparatus and rolling method
A rolling apparatus includes a pair of small rolling roller and a large rolling roller which hold a ring with the ring being sandwiched therebetween, and which roll the ring, and a tension roller;...
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7013691 |
Peripheral length adjusting apparatus and peripheral length adjusting method for endless metallic ring
In a peripheral length adjusting apparatus and a peripheral length adjusting method for an endless metallic ring, an endless metallic ring is wound on plural rollers, and an interval between the...
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6898956 |
Metal ring inputting and outputting device
A metal ring loading and unloading apparatus is capable of loading and unloading a metal ring quickly and highly accurately for increased efficiency. The metal ring loading and unloading apparatus...
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6868606 |
Method and apparatus for making a rotation-symmetrical gear member
In a method of making a rotation-symmetrical gear member, an outer edge of a circular blank is shaped to form a concentric thickened area which extends in axial direction to thereby realize a ring...
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6854310 |
Device for correcting circumferential length of metal ring
An apparatus for correcting the circumferential length of a metal ring has a drive roller 2 and a driven roller 3 positionable closely to each other for training a metal ring W therearound, and a...
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6843090 |
Rolling device for ring
A rolling apparatus is capable of rolling a metal ring to an accurate circumferential length and preventing the metal ring from dropping off. The rolling apparatus includes a metal ring support...
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6568233 |
Method and apparatus of diametrically expanding metal shafts
Method and apparatus for diametrically expanding a desired part of a metal shaft which can be a rod or a pipe, wherein the apparatus includes a driving rotary section (4) and a driven rotary...
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6546773 |
Can manufacturing apparatus, can manufacturing method, and can
A manufacturing apparatus for manufacturing a can having a can body including a dome section and an annular projection. The dome section is formed on a bottom of the can and is recessed inwardly of...
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6318140 |
Method 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...
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6223576 |
Method of thickening peripheral portion of circular plate blank by holding blank in pressing contact with bottom surface of forming groove formed in roller die
A method of thickening a peripheral portion of a circular plate blank, wherein the blank is held on a jig with its peripheral portion extending radially outwardly from the outer circumferential...
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5996386 |
Equipment and method for edging and tapering cylindrical body cans
The edging or tapering equipment requires that each of the two shaped pads, for the plastic deformation of the two edges of a respective can body, be positioned so that the longitudinal axis of the...
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5857369 |
Method for fabricating light weight pipe connectors
A lightweight pipe connector fabrication method for rolling clamping groove for each end of metal plate made semi-finished pipe connector of various forms by using a specified groove rolling...
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5768763 |
Method and apparatus for grooving on rotor
Grooves are formed on a rotor by rotor holders for holding a rotor at both ends of a rotary shaft thereof, a groove rolling die for forming grooves in the outer surfaces of the field cores of the...
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5640868 |
Apparatus and method for work hardening an endless belt for use in a belt caster
An endless belt work hardening apparatus including a pair of rotatable supporting rolls, a work roll disposed between the supporting rolls and a pair of tension rolls having disposed therebetween...
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5571541 |
Device for reconditioning tubes, particularly cardboard tubes
The object of the present invention is to recondition cardboard or similar tubes with deformed parts, notably at the ends, whilst avoiding the usual milling techniques and without removing any...
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5533373 |
Method and apparatus for making shaped cans
A method and apparatus for shaping cans entails placing an inflatable flexible-walled mandrel inside a drawn can body, inflating the mandrel, rotating the can body and the inflated mandrel,...
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5396787 |
Method of producing fluid-chamber component elements
To form a seal ring groove in the outer peripheral surface of a steel plate having a circular contour, the present invention provides a method of producing fluid-chamber component elements by which...
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5159825 |
Dedimpling apparatus
A dedimpler apparatus is provided in which tubes are serially introduced into a dedimpler machine which removes constrictions or dimples from the tube wall at the cut ends thereof to form...
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5133204 |
Apparatus for producing sunken shapes on the outer circumference of rotationally symmetrical sheet-metal workpieces and a method for producing the same
Apparatus for the production of sunken shapes in the form of regular or irregular cogs and/or markings on the outer circumference of rotationally symmetrical sheet-metal workpieces. The apparatus...
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5103663 |
Dedimpler and deburring apparatus
A combination dedimpler and deburring apparatus is provided in which tubes are serially introduced into a dedimpler machine which removes constrictions or dimples from the tube wall at the cut ends...
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5095726 |
Dedimpler and deburring apparatus
A combination dedimpler and deburring apparatus is provided in which tubes are serially introduced into a dedimpler machine which removes constrictions or dimples from the tube wall at the cut ends...
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5072509 |
Method of manufacturing a belt pulley
Method of manufacturing a belt pulley from a metal disk, e.g. a multiple-V-belt pulley, toothed belt pulley, flat belt pulley, etc., having a hub and an area that is provided with a profile which...
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4921037 |
Method and apparatus for introducing differential stresses in endless flexible metallic casting belts for enhancing belt performance in continuous metal casting machines
The wide, thin, revolvable, flexible, metallic casting belts are made to incorporate differential patterns of residual internal longitudinal tensile and compressive stresses. The two marginal areas...
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4885924 |
Method of forming containers
In a method of reshaping a container (1) having side wall (2) and a bottom wall (3), the container is rotated by support means (11, 12) while a roll (13) is applied thereto and moved towards the...
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4884427 |
Method of producing helical internal gear
A method of forming a helical internal gear by cold work, wherein a hollow blank is fitted onto a die on a mandrel, which is provided on an outer periphery thereof with a helical tooth profile and,...
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4862719 |
Cylinder flanging machines
An integral outwardly extending transverse annular flange is formed on one or both extremities of a previously formed cylinder, circumferentially spaced circular openings are then punched in the...
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4757701 |
Six stage rolling apparatus for forming endless metal belts
A six stage rolling machine for forming endless metal belts from tubular workpieces comprises, a first roll disposed within the workpiece, a second roll disposed outside the workpiece and...
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4689980 |
Method for snap ring forming and grooving
A method for simultaneously forming splines and an annular groove in a metal piece having a central portion and ends on each side thereof, the method including the steps of forming a substantially...
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4688407 |
Method and apparatus for radial expansion of rings
In a method for the radial expansion of rings, in particular by means of rolling tools, it is provided in accordance with the invention that the radial surfaces and the end faces of the ring that...
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4672833 |
Method and apparatus for the two-step rolling of rings
Method and apparatus are provided for the two-step rolling of predominantly profiled rings, for example, anti-friction bearing rings, with diameter enlargement in two rolling steps in one working...
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4667498 |
Method and apparatus of making gelatine capsule forming pins having a rounded locking groove
A gelatine capsule includes a locking ridge having a smooth, rounded cross-section for improved locking characteristics with respect to the body portion of the capsule. The capsule cap is formed on...
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4646930 |
Bottom profile for a seamless container body
A bottom profile for a cylindrical two-piece drawn steel can is configured during manufacture so that the resultant bottom profile shape includes areas of highly worked metal positioned to assume...
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4644772 |
Snap ring forming and grooving
A machine (10) for forming grooves and splines in workpiece (32) including a mounting assembly (26,28,34,36) defining a support axis for rotatably supporting the workpiece (32) for rotary movement...
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4608846 |
Dedimpler apparatus
Tube dedimpler apparatus is provided with a walking-beam conveyor in which parallel disposed walking-beams are directed through closed, congruent, vertical, workpiece-transfer paths using paired...
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4598564 |
Method of profiling metal strips
In profiling the surface of a metal strip, particularly pressed strips for use in double band presses, the pressed strip is provided with graduations on a surface outside of the surface to be...
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4583386 |
Method to reduce weld flash
The method and apparatus is disclosed to reduce the size of weld flash located at the junction of two workpieces each having a cylindrical contour and which have been butt-welded together. This...
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4448053 |
Method of stress rolling a metallic rim
An improved method of stress rolling a metallic rim includes the additional step of applying an outside force to the rim to produce tensile stress in the region which is being stress rolled to...
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4176538 |
Method and apparatus for the forming of metal endless belts from blanks of tubular material
The forming simultaneously of a series of cylindrical metal belts in a range of slightly different measures suitable to be fitted into each other into a multiple layer driving belt. The belts are...
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4175415 |
Finishing tool
A tool for deburring or finishing a workpiece is mounted for common reciprocatory movement with the wheelhead of a grinding machine. The tool, which is form of an elongated rod, is supported in a...
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3983168 |
Halophenoxy benzoic acid salts
Metal salts and amine salts of 2-nitro-5-(halophaenoxy) benzoic acids comprise a class of compounds that are highly effective pre- and post-emergence herbicides.
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3914083 |
Rolling apparatus for manufacturing plastic gears
Gears of thermo-plastic resins are manufactured by a rolling method in which a hot rolling instrument and a cold rolling instrument are applied in a rolling operation to a plastic raw material in...
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3851512 |
METHOD OF AND DEVICE FOR GEAR TEETH HARDENING
The method provides for gear teeth plastic strain by curving them in the direction of application of the principal working load. The device for carrying the method into effect comprises a bed which...
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3823588 |
METHOD AND SYSTEM FOR STRAIGHTENING LARGE DIAMETER SHAFTS BY SELECTIVE COLD ROLLING
A method and system for straightening large diameter shafts by selective cold rolling by pressing a smaller roller against the shaft with alternating loads as the shaft is slowly rotated.
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3754424 |
METHOD FOR NECKING-IN CAN BODIES
Apparatus for necking-in at least one end portion of a substantially cylindrical can body includes expandable and contractable gripping means for positively gripping a peripheral surface of the can...
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3709018 |
METHOD OF AN ANNULAR-STRIP ROLLING MILL FOR ROLLING OUT AN ENDLESS STRIP FROM A CAST RING
A strip rolling mill apparatus as well as a method is provided for rolling out an endless strip from a cast ring which may be produced by casting an end, continuous casting or centrifugal casting....
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3681962 |
APPARATUS FOR ROLLING RINGS
This invention relates to rolling of annular workpieces by means of apparatus comprising a pressure roller, a mandrel which squeezes the workpiece against the pressure roller and backing rollers on...
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