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Class 29/90.01 - BURNISHING


Subclass of Class 29 - Metal working
Definition: Process or apparatus for condensing, compacting, smoothing,
No. of patents: 165
Last issue date: 12/20/2011


1          
NumberTitleIssue Date
8079120Method for determining initial burnishing parameters
A method of determining parameters for a burnishing operation includes: using a rolling burnishing element to burnish at least two segments on a selected surface of a material sample, the segments having a common width and overlapping each other by a preselected ove...
12/20/2011
7921529Method of smoothing a container
A burnishing tool including a tapered cam shaft including a camming surfaces having a planar spatial orientation substantially the same as the planar spatial orientation of sides of a pyramid, wherein respective keys respectively extend along respective camming surf...
04/12/2011
7905001Finishing/burnishing tool
A burnishing tool including a tapered cam shaft including a camming surfaces having a planar spatial orientation substantially the same as the planar spatial orientation of sides of a pyramid, wherein respective keys respectively extend along respective camming surf...
03/15/2011
7770276Device and method for sequentially cold working and reaming a hole
A device and a method are provided to allow a user to ream a hole to an accurate final diameter as desired, and at the same time, to cold work the hole to induce a beneficial residual stress that will enhance the life of the component by retarding the onset and grow...
08/10/2010
7389666Method for treating the surface of a machine element
A method for treating the surface of a machine element, such as the raceway and/or a rolling element of a rolling element bearing, comprising the steps of—subjecting the surface to a hard turning operation so as to obtain a specific roughness profile having a seri...
06/24/2008
7371034Drilling attachment
A drilling attachment for use in wet and dry drilling operations includes a housing having first and second fluid conduits, and a drive shaft mounted within the housing and having fluid transmitting first and second end portions in fluid communication with a respect...
05/13/2008
7367210Punch press and deburring device for the punch press
The present invention provides a deburring device for a punch press which can remove burrs produced along a slot or a cut portion formed in a plate material by punching or cutting using a punch press so that the removal is carried out as a process with the same punc...
05/06/2008
7357700Riding floor polishing and grinding machine for treating concrete, terrazzo, stone and similar surfaces
The invention is a riding floor polishing and grinding machine that uses one or more gangs of polishing heads (242) to treat concrete and similar surface flooring (208). A compact vehicle (210) equipped with a front loader arm (235) is fi...
04/15/2008
7314404Burnishing head
A burnishing head comprises at least two rails, each rail having an inner wall and an outer wall. The outer walls are at an angle relative to one another and relative to a central axis of the burnishing head. This angle permits the burnishing head to exhibit improve...
01/01/2008
7278902Enabling location specific burnishing of a disk
Various embodiments of the present invention pertain to enabling location specific burnishing of a disk. According to one embodiment, the smoothness of a disk is evaluated by gliding over a disk to determine if there is an asperity on the disk. If there is an asperi...
10/09/2007
7266873Throw-away burnishing tool for outside diameter and for inside diameter
A throw-away burnishing tool for an outside diameter includes: a tool holder having a rectilinear I-shaped portion and a protrusion portion; a hard material tip detachably attached to a tip holder; a holder pin connected to the tip holder and accommodated in the pro...
09/11/2007
7255636Hybrid burnishing head design for improved burnishing of disk media
A hybrid burnishing head for processing of surfaces of hard disk media comprises a solid body including a first major surface and a second, opposed major surface comprising a burnishing surface including first and second surface portions, wherein the first surface p...
08/14/2007
7219044Method and system for improving a part's resistance to stress induced failure
A method and system for designing a part with improved fatigue life and resistance to stress corrosion cracking in which residual stresses existing in the part are accounted for. The performance criteria and operating conditions of the part are assessed and a total ...
05/15/2007
7210209System and method for ballizing and measuring a workpiece bore hole
A system and method are described for ballizing and measuring a workpiece bore hole. In one embodiment, a ballizing unit having a distal end removably coupled to a ballizing member moves the ballizing member from a first position within the bore hole to a second pos...
05/01/2007
7194802Tool for certifying a head-gimbal assembly
A device and method for testing a slider of a head-gimbal assembly during disc drive manufacturing. The device includes a test disc, an actuator arm and a control module. The test disc has a first circumferential area for detecting contact between the slider and the...
03/27/2007
7193805Flying-type disk drive slider with micropad
A slider (2′) with a reduced fly height is disclosed. The slider includes a small micropad (66) on the lower surface (22′) of the slider (2′). A sensor region (62) of a head (61) that is carried by the slider (2...
03/20/2007
7188398Method for improving the magnitude of compressive stress developed in the surface of a part
This invention relates to a method and an apparatus for performing the method of inducing compressive residual stress along the surface of a part. In the preferred embodiment of the invention, the method includes burnishing or deep rolling a surface using a first an...
03/13/2007
7185521Method and apparatus for process control of burnishing
An apparatus for process control of a burnishing process comprising a body having a first end and a second end, at least one process control coupon, and structure for attaching the process control coupon to the body. At least one edge of the process control coupon i...
03/06/2007
7174622Process of making a non-corrosive GMR slider for proximity recording
A method of fabrication of a slider includes forming a first ferromagnetic layer, a second ferromagnetic layer, and an antiferromagnetic layer and applying a layer of protective material to proximal ends of those layers that are proximal to the disk surface. The met...
02/13/2007
7168153Method for manufacturing single-sided hard memory disks
Various apparatus and methods are provided for positioning and handling single-sided hard memory disks. A disk carrier is provided with ribs formed on the inside surface of opposing side walls. The ribs form disk receiving grooves or channels. The ribs further compr...
01/30/2007
7165430Method and apparatus for patterning of bore surfaces
An apparatus comprises a rotating member having one or more rollers. The one or more rollers have a plurality of protuberances. The rollers may be advanced toward a surface during rotation of the rotating member, such as toward a bore surface. The protuberances are ...
01/23/2007
7159435Apparatus for straightening pipe
A straightening apparatus for large diameter thick wall pipe has an expander head at one end of a beam inserted into the pipe and having a radially displaceable saddle positionable at any selected location along the beam. The saddle may be shifted along the beam by ...
01/09/2007
7153193System and apparatus for selectively sensing and removing asperities from hard disk drive media utilizing active thermally controlled flying heights
A system for selectively sensing and removing asperities from hard disk drive disk is disclosed. The system includes a test stand supporting the disk, the test stand having at least one suspension for flying over a surface of the disk. The system also includes a gli...
12/26/2006
7153192Method for selectively sensing and removing asperities from hard disk drive media utilizing active thermally controlled flying heights
A method for selectively sensing and removing asperities from the surface of hard disk drive media is disclosed. A thermally controlled flying height burnish slider is flown on a test stand with its thermal flying height control deactivated. The burnish slider flies...
12/26/2006
7134304Micro-roll forming device
A micro-roll forming device for providing a cylindrical blank metal article with a minute convexoconcave bearing surface, comprises a powered article holding structure that, when energized, rotates the cylindrical blank metal article about its axis; a forming tool t...
11/14/2006
7120979Light bulb socket burnishing tool
The light bulb socket burnishing tool is a device used to remove surface corrosion from the interior of common light bulb sockets without their removal from a base, restoring to operation and extending the life of the socket. ...
10/17/2006
7119991System and method for preventing computer storage media surface contaminant accumulation and for preventing impact-related head/slider damage
A system and method are disclosed for preventing computer storage media surface contaminant accumulation and for preventing impact-related head/slider damage. Such a system may include a component having a plurality of pads, where the component is to collect contami...
10/10/2006
7115172Method and apparatus for plaster burnishing tool
An Advanced Burnishing Tool for burnishing Venetian plaster surfaces comprises a base with a working surface with a plurality of concentric ribs. The tool may be used manually or may be mounted on a power tool such as an oscillating sander. Each rib has a rounded up...
10/03/2006
7114255Method of making a gas turbine engine diffuser
A method of machining a plurality of intersecting bores in an object, the method comprising steps of machining a first bore, plugging the first bore, machining a second bore so as to intersect the first bore, and unplugging the first bore. ...
10/03/2006
7093481Method for roller burnishing a heater tube
A process for placing a roller burnished finish on the central portion of an unfinished lathe-turned heater tube includes controlling the rotational speed of the burnishing rollers and the pressure of the burnishing rollers against the central portion of the heater ...
08/22/2006
7094476Surface-treated product, surface-treatment method, and surface-treatment apparatus
There is provided a surface treated product that moves relatively in a fluid, wherein a surface of the surface treated product has continuous dimples, each dimple having a diameter of 10 to 2500 μm and a depth of 50 μm or less. The surface treated product signific...
08/22/2006
7094129Magnetic recording head burnishing method
A slider burnishing method is introduced, in which the slider is brought into a predetermined surface contact with the rotating disk for a specified period. The predetermined surface contact end the specified time period are selected together with the surface condit...
08/22/2006
7073423Compliance device for trimming a workpiece
A compliance device having a housing, a support block coupled to the housing and movable relative to the housing along a linear axis, and a tool holder coupled to the support block and rotatable relative to the support block about a rotational axis. The compliance d...
07/11/2006
7052363Method and apparatus for treating the surface of a media, such as a magnetic hard disk, while operating, such as during dynamic electrical testing
A system and method for treating (e.g. polishing to remove defects) the surface of a media, such as a magnetic hard disk, while in operation, such as during dynamic electrical testing is disclosed. Further, a method for manufacturing a head for treating the surface ...
05/30/2006
7041149Sintered sprocket for silent chain and production method therefor
A sintered sprocket has a high overall density and excellent contact pressure resistance. The sprocket is produced from a sintered alloy selected from the following alloys ((1) to (3)), is densified to have a relative density of 95% or higher in the surface layer of...
05/09/2006
7032279Apparatus and methods for repairing compressor airfoils in situ
The apparatus includes a track mounted in the inlet of a compressor. A manipulator is mounted for movement about the track and carries three modules, the last of which mounts a tool head for movement in a Cartesian coordinate system and about the track. A measuring ...
04/25/2006
7008311Lapping tool
A lapping tool capable of increasing the accuracy of a lapping operation, extending the life of lapping tool itself, adjusting a lapping diameter, and coping with the lapping operation of various diameters, comprising a lapping tool body having a lapping part on the...
03/07/2006
6990842Method for deep-rolling transitions between the bearing journals and the flanges of crankshafts
The invention pertains to a method for deep-rolling radii or fillets (2) at the transition between the bearing journals (3) and the adjacent flange (4) of a bearing point of a crankshaft (1) with the aid of deep-rolling cylinders. The dee...
01/31/2006
6956719Self-correcting disc head slider
A disc head slider supports a transducer relative to a moving media in a data storage system. The slider includes a slider body having a media opposing face with a leading slider edge, a trailing slider edge, a recessed area and a bearing surface formed by at least ...
10/18/2005
6940669Wide write head with thermal asperity detector and method of using the same
A system for detecting thermal asperities and magnetic defects on a disc. The system includes a wide write head and a certification head. The wide write head includes a thermal asperity detector and a write element. A method for detecting thermal asperities and magn...
09/06/2005
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