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Class 72/81 - With "pattern" causing movement of presser member


Subclass of Class 72 - Metal deforming
Definition: Subject matter wherein a contoured guide member (e.g., "templet")
No. of patents: 27
Last issue date: 08/07/2007


NumberTitleIssue Date
7251974Method and forming machine for deforming a hollow workpiece
The invention relates to a method and a forming apparatus for deforming a hollow workpiece having at least one open end, wherein the workpiece is clamped down in a clamping device, a first forming tool is placed into contact with the outer surface of the workpiece, ...
08/07/2007
7219520Method and forming machine for working a workpiece
An aspect of the present invention relates to a method and a forming machine for working a workpiece, for example by deforming it or fixing it in another workpiece, in which the workpiece is fitted over a mandrel, at least a part of the mandrel is expanded so as to ...
05/22/2007
7174759Forming machine and method for deforming a hollow workpiece
The invention relates to a forming machine at least provided with a clamping device for clamping a hollow workpiece having at least one open end and a first forming tool which can be placed into contact with the outer surface of the workpiece and with which the work...
02/13/2007
7152445Method and forming machine for working a workpiece
The invention relates to a method and a forming machine for working a workpiece, for example by deforming it or fixing it in another workpiece, in which the workpiece is fitted over a mandrel, at least a part of the mandrel is expanded so as to fix the workpiece, th...
12/26/2006
7150173Upper and lower tools for deep rolling
The present invention includes a plurality of substantially similar deep rolling tools that are positionable radially about a workpiece. The plurality of tools is preferably oriented in a substantially coplanar fashion. At least one of the tools is movable relative ...
12/19/2006
7131304Spinning method and apparatus
A spinning method which makes it possible to control the pressing force of a roller tool with satisfactorily high responsiveness and have the roller tool press work following the contour of a forming die even if the die may have its radial length vary at a high spee...
11/07/2006
6959479Method of manufacturing a hollow shaft having a flange at one end thereof
A method is required in which a plate-like flange member may be firmly secured at the front end of a hollow shaft member through a plastic working treatment by virtue of caulking combination, so as to manufacture a hollow shaft having a flange at one end thereof. In...
11/01/2005
6950726Method and device for numerical control return to origin of a master and slave shaft
A numerical control apparatus for controlling a machine having two moving shafts placed in parallel and separate servomotors 6 and 10 for driving one of the shafts as a master shaft and the other as a slave shaft in the same direction and performing re...
09/27/2005
6907762Method and forming machine for deforming a hollow workpiece
The invention relates to a method and a forming apparatus for deforming a hollow tubular workpiece, wherein the workpiece is clamped down in a clamping device, a first forming tool is placed into contact with the outer surface of the workpiece, the tool is rotated a...
06/21/2005
5960661Apparatus for working a workpiece
An apparatus for working a workpiece comprises a drive unit for rotating a forming tool about an axis of rotation, a forming roller for working said workpiece, means for moving the forming roller in an x-direction and a y-direction with respect to said dr...
10/05/1999
5901595Apparatus for machining a workpiece
An apparatus for machining a workpiece comprises means for clamping the workpiece, means for rotatingly driving the clamped workpiece, a tool for machining the workpiece, the tool having a part for engaging the workpiece, a tool holder, means for moving t...
05/11/1999
5810526Lubricant application apparatus in a gravure engraving machine
Apparatus for and method of automatically applying a lubricant to a gravure cylinder set in an gravure engraving machine. With a rotational drive mechanism of the gravure engraving machine biased to cause the gravure cylinder to be under rotation, a lubri...
09/22/1998
5775151Method and apparatus for spinning a metal sheet
To spin a metal sheet around a chuck for forming a product, in a teaching phase involving force control, a product is formed on the chuck by rotating the chuck about the axis of rotation and by moving a forming roller one or several times alongside the ch...
07/07/1998
5758532Method and apparatus for making a product by spinning
Method and apparatus for spinning a product, wherein a metal plate which may be preshaped or not, is deformed on a rotating chuck by a forming roller into a hollow product with a wall thickness. The shape of the chuck is determined and is stored in a memo...
06/02/1998
5426964Method & apparatus for shaping a sheet blank
A method and an apparatus for cold-forming a sheet blank (2') made of a material with an exponential stress-strain behavior to become a thin-walled, hollow shell (2). The sheet blank (2') is clamped in a clamping means (3) with its circumference and rotat...
06/27/1995
5355705Process for controlling the revolving path motions of the spinning roller of a spinning lathe, and spinning lathe for performing the process
A process is disclosed for controlling the revolutions of the spinning roller (29) of a spinning lathe (10). The coordinate driving units (52,53), which are designed as valve controlled (49,51) hydrocylinders (42,47), are operated according to a playback ...
10/18/1994
4976126Spinning machine
A spinning machine has a mold fixedly mounted on a spindle and a forming roller adapted to move in a predetermined manner so as to be pressed against the material to be formed mounted on the spinning mold. By moving the forming roller in a controlled mann...
12/11/1990
4870845Working 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 members for rotatably clamping the journal portions therebetwe...
10/03/1989
4782680Method for rolling a shaft or tenon having cross-bored holes
The milling of work pieces having at least one bore in the surface to be milled by roller action, is performed by controlling the size of the force applied to the work piece surface in accordance with the rotation of the work piece and in accordance with ...
11/08/1988
4561276Method 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 angle (alpha) subtended by the mirror faces i.e. the faces con...
12/31/1985
4559798Fillet 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 crankshaft to be processed while the same is grasped and rotated...
12/24/1985
4539831Method 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 adjustment of the units along a linear path to adapt the dev...
09/10/1985
4388818Method 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 operations in the tooth gaps of such gear. The rolls rotate in a pl...
06/21/1983
4118846Burnishing attachment
A burnishing attachment includes a carriage mounted for traversing movement in a path that extends along the workpiece. A non-rotary burnishing tool is mounted on said carriage for movement perpendicular to the carriage path. The tool is urged toward the ...
10/10/1978
4059977Method of producing hermetically sealed end in a tubular workpiece
A method of producing a hermetically sealed, preferably sphere-shaped end in a tubular workpiece, residing, according to the invention, in that an end of a tubular workpiece is heated to a forging temperature and is then reduced until a portion is obtaine...
11/29/1977
4036044Process for forming metal pipes to a desired shape
A process for forming metal pipes to a desired shape comprising fitting a metal pipe onto a model having same profile as the one desired to form, fixing the pipe thereon, arranging a plurality of metal rollers at same distance and around the metal pipe in...
07/19/1977
3998083Straightening apparatus
Straightening apparatus with means for rotating an elongate work element and advancing the same along its longitudinal axis. A bending station is provided in the apparatus which bends the rotating work element when such is advanced therethrough. The bendi...
12/21/1976
 
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