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7578729 |
Apparatus at a flat card or roller card for grinding a clothing drawn onto a rotating roller, having a carrying device
In an apparatus at a carding machine for grinding a clothing drawn onto a rotating roller, having a carrying device with at least one grinding element, the carrying device is attached to the...
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7559826 |
Processing method and grinding apparatus of wafer
To facilitate handling of a wafer in processing or carrying of the wafer after the wafer has been reduced in thickness by grinding, the whole back of a wafer is ground to provide the wafer with a...
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7530883 |
Fixture for grinding machines
A fixture for grinding machines includes a first base ( 10 ), a second base ( 20 ) and a driving component ( 40 ). The first base defines a first working groove ( 11 ) therein. The second base...
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7481696 |
Grinding machine and coolant supplying method therefor
In a rough grinding step the large quantity of coolant supplied to cool the grinding point enables the flow to pass through a wheel-following air layer and reach the grinding point while the supply...
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7473160 |
Method and apparatus for grinding a workpiece
A method and apparatus for cutting a profile in a workpiece, such as a turbine disk, without cracking the parent material which includes providing a grinding wheel having a ceramic grinding surface...
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7462094 |
Wafer grinding method
A wafer grinding method is disclosed, in which only a region, corresponding to a device formation region, of the back side of a wafer is ground in rough grinding conducted first, while the part...
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7448938 |
Method for supplying spectacle lens
Difference between a lens edge circumference and an edged lens circumference is controlled to be always within a prescribed range so that a spectacle lens of a properly finished circumference size...
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7442115 |
Railway grinder
A railway grinding system is capable of grinding a frog, another switch, or another railway section of interest in situ over a precisely defined path that is unaffected by the geometry of the...
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7416476 |
Brake pad grinding method
A method and apparatus for grinding a brake pad forms inclined faces at both ends of the brake pad through a single route of movement and no grinding limit quantity is involved whether boundary...
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7413501 |
Method for concave grinding of wafer and unevenness-absorbing pad
To facilitate handling of a wafer with its thickness reduced by grinding its rear surface, and prevent any protrusions and depressions matching those of the front surface from being formed on its...
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7393261 |
Cylindrical grinding method for producing hard metal tools and cylindrical grinding machine for grinding cylindrical starting bodies during the production of hard metal tools
The invention relates to a grinding method and to a cylindrical grinding machine, in which a sintered hard metal round rod is completely pushed through a chuck of a workpiece spindle head, said...
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7303461 |
Method of machining airfoils by disc tools
A method for machining a rotor having a disc and a plurality of integral airfoils projecting outwardly from the disc, according to one aspect of the invention, comprises a step of machining each...
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7267602 |
Seal assembly manufacturing methods
Finishing a seal assembly as a unit is proposed, which prevents alignment of the end gaps of the annular body and the annular ring of the seal assembly, provides the ability to manufacture the seal...
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7264538 |
Method of removing a coating
A method of removing at least a part of a thermal sprayed wear resistant coating on a gas turbine engine part includes grinding the thermal sprayed wear resistant coating with a superabrasive...
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7244314 |
Resin recycling system
A system for recycling reusable resin mold products recovered from discarded apparatuses is disclosed. This recycling system includes a crushing system for crushing resin mold products one kind by...
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7147547 |
Method and device for grinding a rotationally symmetric machine part
A method and a device for grinding a machine part that has two shaft elements, a machine part axis and a large diameter central element having a side surface which is embodied in the form of a flat...
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7144307 |
Point superabrasive machining of nickel alloys
A process for point superabrasive machining of a nickel based material comprising the steps of providing a tool having a grinding surface coated with a superabrasive material, orienting the tool...
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7125312 |
Rotor-grinding machine comprising a rotary head with two grinding wheels
The invention relates to a machine ( 1 ) for grinding the blades of a turbine rotor ( 2 ) or a compressor. The inventive machine consists of a rotary head ( 6 ) which is provided with two different...
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7083503 |
Method for sharpening the knife of a rotary trimmer and a rotary trimmer for realizing the method
A rotary trimmer includes a first trimming element having a first knife and a second trimming element having a second knife that operates jointly with the first knife. In order to sharpen one...
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7001249 |
Methods and systems for finishing edges of glass sheets
Methods and systems are disclosed whereby the edges of a glass sheet may be beveled with minimal equipment down time. Preferably such methods and systems bevel the upper and lower edges along...
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6988938 |
Method and apparatus for removing coatings applied to surfaces of a substrate
The present invention relates to methods and apparatus for removing coatings from generally opposed first and second major surfaces of a substrate. The method includes providing a table having a...
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6981907 |
High angle grinder
One or more high angle grinding units are supported by a carriage mountable on the underside of a rail grinding vehicle. Each grinding unit is attached to the carriage in a manner enabling...
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6971946 |
Manufacturing method of roller of film or tape handling machine
A lot of concave portions and convex portions are formed on a circumferential face of base metal cylinder or roller. Summits of the convex positions are ground and removed or erased. The base metal...
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6949004 |
Method for reducing pole and alumina recession on magnetic recording heads
A manufacturing process for reducing magnetic spacing loss in a magnetic recording head. The recession of the transducer relative to the substrate at the air bearing surface is decreased by...
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6926588 |
Band coil
The invention relates to a method of manufacturing a band coil by means of a material-removing process performed on the coils so as to obtain a band coil which has a profile in the direction of the...
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6921319 |
Method for grinding a rail, and device for carrying out said method
The invention relates to a method for grinding at least the running surface of a rail ( 1 ), especially of a railway rail, by producing a relative movement between a grinding wheel ( 12 ) having a...
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6916229 |
Machine-implemented method for forming a release surface of a mold
A machine-implemented method is provided for forming a release surface of a mold. The mold has a mold cavity confined by an inner peripheral surface defining a mold cavity axis. The method includes...
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6913522 |
Method and device for grinding central bearing positions on crankshafts
An apparatus for grinding center bearings of crankshafts includes a clamping unit for clamping and driving a crankshaft; a grinding spindle, positionable perpendicular to the crankshaft; a...
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6899599 |
Manufacturing process to make a valve ball
A manufacturing process to make a ball valve of the present invention includes the following steps: a) prepare flat circular metallic plates each of which has a rectangular indentation in a...
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6899602 |
Porous polyurethane polishing pads
A porous polishing pad is useful for polishing semiconductor substrates. The porous polishing pad has a porous matrix formed from a coagulated polyurethane and a non-fibrous polishing layer. The...
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6896598 |
Vertical type of double disc surface grinding machine
In a vertical type of double disc surface grinding machine, an object of this invention is to enable simple adjustment of a parallelism between a grinding surface of a lower grinding wheel and a...
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6881124 |
Method of manufacturing magnetic head
An L-shaped slide plate mounted with a workpiece holding device on a slide guide is firmly attached to an angle adjustment mechanism, and a reciprocating motion drive unit mounted with the angle...
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6872120 |
Method of producing spectacle lens
A lens surface shape is created by a near-finish surface forming rough-cutting step of creating a near-finish surface shape analogous to a lens surface shape based on a prescription of a spectacle...
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6860794 |
Method of polishing concrete surfaces
A method of applying a protective gloss coating to a concrete floor includes applying a low viscosity organic coating to the concrete floor, removing the excess organic coating that lies above the...
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6796884 |
Abrasivity control of magnetic media using burnishing techniques
In one embodiment, the invention is directed to techniques for controlling the abrasivity of magnetic tape without modifying the coating formulas used to create the magnetic tape. For example, the...
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6783439 |
Method for manufacturing mirror surface tube for photosensitive drum of copying machine or the like
A method for manufacturing a mirror surface tube for a photosensitive drum of a copying machine or the like, by which an external surface of an aluminium or aluminium alloy tube can be...
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6764382 |
Power transmission belt and method for fabricating the same
Both types of short aramid fibers and non-aramid synthetic fibers are extruded from a side face of each rib in a V-ribbed belt. The extruded section of the short aramid fiber is formed in curled...
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6758733 |
Two-part beveling wheel for improved positioning of bevel contours on ophthalmic lenses
A bevel edging wheel is described which has differing hardness abrasive matrices on the bevel cutting surfaces. The bevel edging wheel, which is suitable for edge finishing of an optical lens,...
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6748836 |
Dual sharpener apparatus for maintaining the sharpness of the cutting edge on blades used to cut sheet-type work materials
A sheet material cutting apparatus includes a cutting head and a knife frame rotatably coupled to the cutting head. A blade defining a cutting edge is coupled for reciprocation to the knife frame,...
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6722956 |
Working apparatus
A finishing grindstone member ( 20 ) is fixed to a spindle ( 10 ) by a bolt. In the spindle ( 10 ), there is formed a tool mounting portion ( 25 ) into which a rough grindstone member can be...
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6722959 |
Combination 2-plane CNC positioning grinder with CNC positioning drill
A glass plate tooling apparatus has independently driven loading and unloading tools which presents raw workpieces to, and removes finished workpieces from a centrally located machining station....
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6719616 |
Rail grinding apparatus
A rail grinding apparatus for use in grinding rails. The rail grinding apparatus includes a transport vehicle and a rail grinding unit. The transport vehicle is capable of moving along the rails or...
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6716088 |
Work processing method
A processing apparatus capable of grinding an arcuate groove (a groove having an arcuate shape in section) of various shapes defined in a work with a good accuracy. A pseudo-elliptic arcuate groove...
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RE38364 |
Method for hardening and polishing concrete floors, walls, and the like
A method of both hardening and polishing a concrete surface includes the steps of first applying to the concrete surface a hardening/densifying silicate compound, allowing the compound to remain in...
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6659847 |
Method of cleaning a probe card
A method of cleaning a probe card with probe pins contaminated by testing residue. A cleaning wafer is provided and the uneven surface and the grooves thereon are used to polish surfaces of the...
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6595831 |
Method for polishing workpieces using fixed abrasives
A polishing method and apparatus can concurrently establish a stable removal rate, a small step height reduction rate, and reduction of detects on the polished surface for various kinds of polished...
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6579604 |
Method of altering and preserving the surface properties of a polishing pad and specific applications therefor
The present invention is directed, in general, to an improved material and method of planarizing a surface on a semiconductor wafer and, more specifically, to a method of altering the properties of...
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6572454 |
Apparatus and method of conditioning polishing pads of chemical-mechanical polishing system
An apparatus for conditioning the polishing pads of a chemical-mechanical polishing system includes a tool having a cutting tip and positioned almost perpendicular to the surface of the polishing...
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6565421 |
Apparatus and method of grinding liquid crystal cell
The present invention discloses an apparatus for grinding a liquid crystal cell including a power unit; a first axis receiving a rotational motion from the power unit; a second axis extending from...
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6561882 |
Grinding method and numerically controlled grinding machine
A circular or non-circular workpiece is ground in a plurality of grinding steps, including a final finish grinding step. A grinding wheel is caused to effect profile generation movement in...
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