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5481893 |
Apparatus for hose crimping machine
An apparatus is provided for crimping fittings to hose assemblies. A pair of drive rollers are used for rotating a fitting. A pair of deflector rollers are positioned opposite of the drive rollers....
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5445003 |
Engine crank pin rolling equipment, rolling tool and method of rolling adjacent and offset crank pins
Arcuately offset pairs of juxtapositioned pin journals of an internal combustion engine crankshaft have their fillets pressure rolled for fatigue strengthening by opposing inclined rollers carried...
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5440796 |
Method for manufacturing a brake shoe
The invention is directed to a method for manufacturing a brake shoe particularly for drum brakes of motor vehicles, having a carrier of the brake lining whose outside surface has the shape of a...
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5333480 |
Method for straightening out of true work pieces, especially crankshafts
A truing operation for straightening out of true work pieces such as crankshafts, must not again reduce the fatigue strength of the work piece achieved in a previous strengthening operation. This...
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5245848 |
Spin flow necking cam ring
A method and apparatus for spin flow 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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5235838 |
Method and apparatus for truing or straightening out of true work pieces
In a straightening or truing operation for straightening out of true work pieces the characteristic fatigue strength or an increased fatigue strength achieved in a previous strengthening operation...
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5228321 |
Method of configuring open end of can body
A necked-in and flange portion is formed in the open end of a seamless can body by using a can end holder driven for rotation about its axis, an axially movable inner roll of a reduced diameter...
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5193376 |
Machine and method for repairing damaged grain aeration pipes
The method of straightening deformed hollow lightweight metal pipe by threading the deformed pipe over the uppermost of three rolls where the upper roll is positioned in overlapping condition with...
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5156635 |
Bicycle wheel straightener
A bicycle wheel straightener including a support surface, an axle retention bar attached to the support surface and including an axle, adjustable along the length of a slot in the retention bar,...
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5123166 |
Ear forming method of sheet metal made of poly-V pulleys
The invention relates to a sheet metal made poly-V pulley in which poly-V grooves (10) to be engaged with poly-V belt are formed in the outer circumference of peripheral wall (5) of a cup-shaped...
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5076087 |
Manufacture of metal can bodies
In a method of forming at an open end of a can body an out-turned end flange and an adjoining inward bead, the free end of the can body is carried frictionally in an annular groove formed in a...
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5069052 |
Method for roll forming and apparatus for carrying out the method
Apparatus for reforming an end wall of a container comprises a pair of cooperating pads 10, 11 cooperable to clamp the wall firmly on a central axis of the pads and wall, and a cluster of work...
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4953376 |
Metal spinning process and apparatus and product made thereby
In a metal spinning process and apparatus for necking down a container having an open end, a closed end and generally cylindrical inner and outer surfaces, a resilient pressure bladder is inserted...
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4951490 |
Method for automatically controlling spinning rolls
A method for the automatic control of the setting of spinning rolls in relation to a cylindrical, tubular workpiece in an opposed roll spinning lathe with four pairs of rolls. Each of the four...
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4870845 |
Working apparatus for crankshaft
A working apparatus for working a crankshaft having a journal portion and a crank pin includes first and second follow-up mechanisms. The first follow-up mechanism has first and second support...
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4869088 |
Ring shaping apparatus
This invention relates to a ring shaping apparatus for cold rolling workpieces in ring form into a desired shape. The workpieces include a bearing in which an inner race, an outer race or a pillow...
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4860566 |
Method and apparatus for straightening a workpiece
The invention relates to a method and an apparatus for straightening a workpiece, especially a crankshaft, with a theoretical axis and at least one fillet running circularly about this axis, by...
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4823580 |
Wheel-body forming apparatus
The invention relates to a wheel-body forming apparatus which is capable of forming up a high-precision wheel body having the perfect roundness, more partiuclarly, to an apparatus used for forming...
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4821548 |
Apparatus for chamfering edges of a rim element
An apparatus for chamfering through press forming edges of a rim element is provided upstream of a flaring machine for forming a rim shape on a disk wheel manufacture line. The apparatus includes a...
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4817409 |
Apparatus for flanging and indenting both ends of a cylindrical container body
The apparatus for flanging and indenting both ends of a cylindrical contar body, particularly for an aerosol or beverage can or container, comprises at least two rotatably driven flanging and...
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4788844 |
Apparatus for straightening slender shafts
An apparatus for straightens long slender shafts by moving a force couple over the length of the shaft as the shaft is rotated. The force couple is applied by two or more contact points with at...
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4785649 |
Tapered thread roll-forming machine
An apparatus for forming tapered threads to a workpiece such as a pipe comprises a casing and a supporting member attached to one side of the casing, and three support plates rotatably attached to...
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4782682 |
Rolling Mill Tool
A rolling mill tool for smooth rolling slightly convexly or concavely curved surfaces of rotationally symmetric work pieces, such as bearing journals of crankshafts, has a milling roller with a...
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4766753 |
Rolling apparatus for surface hardening or smoothing
Surface-hardening and smoothing rolling apparatus includes at least one movable rolling device at least including a die carrier with at least one backing element, as well as at least one additional...
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4766752 |
Machine tool for the production of tubular components
In an apparatus for rolling the walls of a tube in order to decrease the wall thickness and so increase the length of the tube by the use of pairs of rolls of which one roll is outside the tube...
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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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4747285 |
Surface-hardening or smoothing rolling machine
Surface-hardening and smoothing rolling machine for rolling at least eccentrically disposed surfaces on a workpiece, having equipment for seating and rotatably driving the workpiece, and comprising...
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4747286 |
Rolling apparatus
A rolling apparatus with a driving mechanism for a workpiece to be rolled and with at least one movable rolling device includes at least a die carrier with one rolling element and a die carrier...
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4722211 |
Method of forming hollow parts
A method of roll forming hollow parts comprises introducing a workpiece into the space between a plurality of rolls rotatably arranged in spaced and parallel relationship, in parallel with the axes...
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4693105 |
Method of and apparatus for straightening, swaging, and threading a pipe
A method and apparatus for swaging pipe, straightening hooked end pipe, and expanding undersized pipe for threading is disclosed in which the pipe is gripped adjacent the end to be swaged by a...
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4688412 |
Shaft straightening machine
A machine for straightening shafts which may be extremely crooked has a pair of bending members which may take the form of eccentric rollers mounted on parallel shafts having a common vertical...
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4624123 |
Straightening machine for motor armature assemblies and the like
A machine for straightening cylindrical workpieces such as motor armature assemblies having diametrically enlarged intermediate sections and reduced diameter opposite end sections coaxial with the...
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4606207 |
Forming necks on hollow bodies
A thin-walled hollow body open at one end, e.g. a metal can body (76), is given a terminal neck (74) by engaging a primary chuck nose (22) sealingly in the open end and pressurizing the body...
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4561276 |
Method of deep-rolling crankshafts
Method of deep-rolling of crankshaft pins by applying different rolling forces over a rotational angle (phi) of 360°, such as to produce in each angular position a constant enlargement of the...
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4561275 |
Method of shaping and machining disc wheel and equipment therefor
A method shaping and machining a disc wheel and an equipment therefor wherein, in a disc wheel formed by welding together a rim and a disc, upper and lower mandrels are inscribed with rim bead seat...
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4559798 |
Fillet rolling machine
A fillet rolling machine having a frame, on which a work spindle with a chuck is carried for rotation about a horizontal axis. A tailstock is mounted on the frame for supporting one end of a...
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4554811 |
Crankpin rolling apparatus
A crankpin rolling apparatus is provided wherein plural pairs of upper and lower arms are pivotably carried by respective hinge pins extending in parallel relation with the rotational axis of a...
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4539831 |
Method for setting the stroke of movable rolling units, and crankshaft rolling machine for implementing said method
A crankshaft rolling machine includes a pair of model crankshafts mounted for synchronous rotation. One or more crankshaft rolling units are coupled to the model crankshafts in a manner enabling...
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4485537 |
Machine for the machining of crankshafts
Known machines for the machining of crankshafts, in which the machining units for the machining of the crankshaft are supported and moved by operating crankshafts, are not adjustable to different...
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4454739 |
Ring rolling mill
A ring rolling mill comprising a driven working roll, a rotary mandrel serving as a counter-roll, and a containment roller carried by a pivoted arm and able to engage laterally the ring being...
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4437328 |
Crankshaft glaze or smooth rolling machine
A crankshaft rolling machine rotatably guides a crankshaft to be rolled. At least one movable rolling fixture carrying rolling dies is positionally controlled by two synchronously driven rotatable...
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4339937 |
Ring rolling mill
A ring rolling mill is disclosed which has a rolling mill frame, a rolling platform mounted to the frame, a main roll movably mounted on the frame, a plurality of elongated mandrel rolls mounted...
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4326397 |
Multiple mandrel-ring rolling machine
A multiple-mandrel ring rolling machine for producing a ring from a ring blank having a plurality of elongated mandrel rolls rotatably mounted on a rolling platform fixedly mounted to a frame for...
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4312208 |
Four-roller bending and rounding machine
A tube-making machine has a pair of axially spaced end supports between which upper and lower bending rollers extend axially. These rollers have ends journaled in the supports with the upper roller...
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4299017 |
Apparatus for smooth rolling the bearing seats of crankshafts
This rolling apparatus comprises tool rollers for finish or smooth rolling the bearing seats of crankshafts. Each tool roller is supported by two idler rollers along its length. In addition, the...
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4296620 |
Smoothing rolling mill
The feed advance capacity of smoothing rollers in a smoothing rolling mill is utilized to the fullest possible extent by displacing the smoothing rollers relative to each other in the axial...
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4291559 |
Sheave making apparatus and method
Disclosed are an apparatus and method for making a sheave by forming an external annular radial groove in the periphery of a circular workpiece. The apparatus includes a support for supporting the...
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4238944 |
Rolling of stepped shafts
A stepped shaft is rough-formed at a single work station by means of separate sets of rolls operating sequentially to rough-form shaft portions of different diameters. A first set of rolls operates...
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4193179 |
Process of manufacturing an article having a groove rolled therein, and an article produced thereby
A process for making a light-weight, heavy duty steel piston for a disc brake. The initial blank is formed to include the piston nose radii and angle. The blank is then simultaneously rolled by...
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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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