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6434992 |
Fillet rolling support roller
The present invention provides a support tool for supporting a crankshaft journal during machining. The support tool includes a support housing having an opening and a support roller having a...
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6393885 |
Tooling for deep rolling fillets of crankshaft journals
A rolling tool for deep rolling fillets of crankshaft journals is provided. The rolling force is divided and spread by the back up roller and directed onto the laterally spaced side shoulders of...
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6393886 |
Laterally floating roller cage
A roller cage ( 4 ) is provided for the guidance of a minimum of one work roller ( 2 ) of a tool for deep rolling of radii or grooves on crankshaft journals or crank pins, where the roller cage ( 4...
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6393887 |
Roll-hardening device pertaining to a roll-hardening machine for crankshafts
The fixed roll apparatus ( 8 ) of a fixed roll machine ( 1 ) for crankshafts ( 3 ) is constructed scissors-fashion. Two pivotable scissor arms ( 9 and 10 ) disposed opposite one another each bear...
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6389861 |
Roller cage
A roller cage ( 1 ) is provided with a prismatic base body for guiding a minimum of one work roller designed for deep rolling of grooves on crankshaft journals or crank pins, in a first ( 7, 8 )...
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6360574 |
Fillet rolling work roller cage
A fillet rolling tool for deep rolling journal fillets is provided. The tool includes a housing assembly having a cavity. A backup roller having an annular groove is disposed in the cavity and is...
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6338197 |
Method of manufacturing multi-stage pulley
The manufacturing cost of a multi-stage pulley is reduced without coaxially arranging a plurality of groove forming sections. While a portion between groove sections 103 is being pushed by a...
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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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6279366 |
Item with external teeth and method of forming the same
Using a form roller in which a plurality of gear-like tooth generating sections are arranged along the rotation axis of the form roller in the outer periphery thereof to increase tooth heights of...
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6272896 |
Secondary (back-up) roller design for the fillet rolling of the crankshaft
The present invention provides a metal working device for cold working fillets which includes an upper block journally supporting a primary roller and a secondary roller. The primary roller has a...
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6257036 |
Metallic shaft material diameter increasing device
An apparatus of diametrically expanding a desired portion of a metal shaft, including a driver section (5) which is rotatively driven by an electric motor with a workpiece held in a first sleeve...
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6257037 |
Deep rolling tool mechanism with novel spring containing cage design
An upper work tool mechanism for use in deep rolling operations and having a housing and a cover plate, as well as a cage system for operatively mounting the work rollers, with the cage being...
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6253590 |
Deep rolling tool mechanism with novel pin supported cage design
An upper work tool mechanism for use in deep rolling operations and having a housing and a cover plate, as well as a cage system for operatively mounting the work rollers, with the cage being...
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6161409 |
Process and device for manufacturing a gear part with outer teeth
A process is disclosed for manufacturing a gear part with outer teeth from a metallic workpiece shaped as a circular blank or predrawing. The gear part has a hub surface with outward projecting...
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6125677 |
Apparatus for processing battery case can, a battery, and a manufacturing method of battery
To present a processing apparatus capable of forming an annular support portion for mounting a sealing plate on an elliptical battery case can at high precision and high productivity, and a...
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6094956 |
Support tool for deep rolling crankshaft fillets
Deep rolling equipment for cold working fillet radii of annular undercuts on opposite sides of main bearing and crank pin journals of an engine crankshaft while being rotatably driven. The...
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6070443 |
Apparatus for forming an annular member
In an annular member forming apparatus including: a forming roll rotatable in contact with an outer cylindrical surface of an annular workpiece; a mandrel relatively movable towards and away from...
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6055836 |
Flange reforming apparatus
Apparatus for re-forming a seaming flange (F) formed on the open end of a can body (B) comprises: a bottom support for supporting the bottom end wall of the can body and a pusher pad (2) including...
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6016602 |
Method of producing a sheet metal gear
The present invention relates to a method of producing a sheet metal gear in which a metal sheet (2) is used as a starting material and a gear is formed in the outer peripheral edge of the metal...
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6012318 |
Method of producing a sheet metal pulley for a V belt
The present invention relates to a method of producing a sheet metal pulley for a V belt without cutting which may impair the environment of a factory. A sheet metal pulley for a V belt which is...
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5943893 |
Roll-hardening machine for crankshafts
A machine for hard-rolling a workpiece such as a crankshaft includes a drive apparatus (7) for rotating the crankshaft (8, 113), suspension apparatuses (9 to 17), hard-rolling devices (18 to 26,...
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5941113 |
Method of forming a cylindrical portion of a cylindrical member made of a metal sheet
A method of forming a cylindrical portion of a cylindrical member made of a sheet metal according to the present invention relates to steps of rotating a cylindrical member fitted into rotating...
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5934127 |
Method and apparatus for reforming a container bottom
A reforming apparatus, and method of using the same, is provided for reforming the bottom of a container to increase the dome reversal pressure and improve the drop resistance of a beverage...
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5927121 |
Method for the manufacture of a gear part
A method of manufacture of a gear part with a bottom area and a circumferential area, which has two portions. One portion extends to one side of the bottom area, while the other portion extends to...
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5918495 |
Multistage gear-rolling apparatus
A multistage gear-rolling apparatus of the present invention comprises a roller squeezing apparatus including a roughing roller die and a finishing roller die disposed coaxially and connected in...
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5916318 |
Machine for simultaneously forming threads or fins on multiple cylindrical workpieces
A machine for simultaneously forming helical threads or fins on the exterior of first, second and third elongated cylindrical workpieces, the machine having first, second and third arbor blocks...
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5906127 |
Method and apparatus for forming internal spline ring
An internal spline ring having an internal root circle diameter D1 and an internal tip diameter D2 is formed by axially press-driving an externally splined mandrel having an external tip diameter...
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5904060 |
Sheet metal member having a peripheral wall and method of thickening the peripheral wall thereof
A sheet metal member thickening method according to the present invention comprises the steps of rotating a disc-shaped sheet metal member held between rotating dies, and pressing a first forming...
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5862696 |
Method and apparatus for the manufacture of a poly-V-pulley
The invention relates to a method and an apparatus for the manufacture of a poly-V-pulley, particularly with a toothed reference mark sensor. The method uses per se known spin forming and combines...
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5852873 |
Method of manufacture of a rotationally symmetrical part
A method of manufacture of a rotationally symmetrical part, particularly a vehicle wheel. In this method, the outer circumferential area of a circular blank is upset for forming a material...
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5829292 |
Rolling annular workpieces
An annular workpiece 6 is rolled between two oppositely disposed forming rolls 2, 4, and two oppositely disposed growth rolls 22 and 24 acting at right angles to the line of action of the forming...
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5829291 |
Apparatus and process for forming metal member including bases portion and cylindrical portion formed on outer surface of the base portion such that the cylindrical portion is integral with the base portion
An apparatus for forming a metal blank into a formed body, including a die device including a first and a second die each of which is rotatable about a first axis line, a first roller which is...
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5827161 |
Process for the fabrication of a kraft paper drum and means for implementing this process
The invention relates to a process for the fabrication of a drum made of kraft paper according to which a sheet of kraft paper is rolled on a mandril so as to constitute a rotating cylindrical...
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5809649 |
Method for the manufacture of a machine part having external toothing
A method for the manufacture of a machine part with external toothing from a circular sheet metal blank. According to this method the blank is fixed between a tool and a tail stock. Subsequently...
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5806358 |
Method and apparatus for the manufacture of a workpiece having a boss
A method and an apparatus for the manufacture of a workpiece having a boss from a rotationally symmetrical sheet metal blank with a central opening on a spinning or flow-forming machine. In an area...
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5774986 |
Method and apparatus for cold-forming of toothed wheels from sheet metal
A toothed wheel is cold formed from a circular piece or plate of sheet metal by cold-forming an annular outer section of the sheet metal into a preform, while the sheet metal is held in a rotary...
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5737955 |
Method for inclearing thickness of outer peripheral portion of disc, and method for molding disc member having transmitting portion in outer periphery thereof
In a method for increasing the thickness of an outer peripheral portion of a metallic disc material, a first forming die is prepared so as to have a first groove portion on an outer periphery...
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5727411 |
Method of forming grooves on metal pipe and groove-forming apparatus
Each of specific rollers which corresponds to one of the grooves is disposed in a circumference of the metal pipe at equal intervals and is pressed against the periphery of the metal pipe 10,...
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5699692 |
Tool mechanisms for deep rolling machines
A lower work tool having a one-piece open style design with a plurality of openings and an upper work tool having a housing and cover plate each forming a plurality of openings.
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5699689 |
Method of and apparatus for forming a disc-shaped blank
There is provided a method for forming a disc-shaped blank in which a disc-shaped thin plate material is, at an outer peripheral portion thereof, swaged towards an axial side of the plate material...
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5666841 |
Method for work-hardening by rolling a component
A method for work-hardening a component to be loaded along a loading axis includes rolling in a notch extending approximately at right angles to the loading axis. The notch has a minimum radius of...
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5644826 |
Spin closing apparatus and method
Apparatus for spin closing an open end of a tube of a suspension strut comprising a throughbore having a longitudinal axis; a first pair of rollers, each roller of the first pair being rotatably...
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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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RE35519 |
Method and apparatus for smooth-rolling and deep-rolling multi-stroke crankshafts
A method and apparatus for smooth-rolling and deep-rolling the journal pins of multi-crank crankshafts divides the crank pins into two groups, each including alternating crank pins, since the space...
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5605068 |
Apparatus for rolling a ring-shaped work
A work 12 is selectively loaded one of forming portions 20, 22, and so on, which are formed on a mandrel 18. Then, the work 12 is pressed between the selected forming portion and a forming roll 10...
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5596897 |
Mechanism for controlling form roll movement in spin flow necking machine
A method and apparatus for spin flowing necking-in a D&I can is disclosed wherein an externally located free-spinning form roll is moved radially inward and axially against the outside wall of the...
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5584202 |
Method and apparatus for manufacturing internal gear, internal gear structure and reduction mechanism unit having internal gear structure
A steel sheet material is stamped from a coil stock material to form a disc blank member. The disc blank member is pressed to form an ash tray metal member. The ash tray metal member is sized to...
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5575167 |
Deep rolling split-pin fillets of crankshafts
Machine and method for deep rolling fillets of split-pins of engine crankshafts. Each split-pin comprises neighboring and arcuately offset crank pins connected between counter weights and has a...
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5537850 |
Method of shaping a wheel
A process of making wheels in which a pair of rams press an initial mass of material for shaping a central disc part. A portion of the material is extruded out from between the interface of the...
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5495738 |
Metal rolling machine with opposing banks of jaw units for working a centered workpiece and method of rolling annular fillets of workpieces
Machine and method for deep rolling annular fillets of journals of metallic workpieces, such as the crank pins of an engine crankshaft in which the crankshaft is loaded into a center positioned...
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