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7588482 |
Apparatus and method for manufacturing liquid crystal display device
An apparatus for manufacturing a liquid crystal display (LCD) device includes a table receiving an LCD panel thereon, a first grinding part grinding a surface of the LCD panel to a first surface...
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7588480 |
Polishing head for a polishing machine
A polishing head for polishing machines, in particular for polishing optical surfaces, has a polishing plate that is connected to a rotationally drivable drive shaft. The polishing plate is...
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7150676 |
Dual motion polishing tool
A polishing tool that includes: an arbor with a shank having a first cylindrical axis; an offset cylinder extending from the shank, the offset cylinder having a second cylindrical axis, the first...
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7104873 |
Anti-vibration arrangement
The present invention relates to an anti-vibration arrangement ( 10 ) for a power sander ( 1 ) which comprises a housing ( 2 ), a motor ( 4 ) arranged in the housing ( 2 ), a rotary drive shaft (...
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7008299 |
Apparatus and method for mechanical and/or chemical-mechanical planarization of micro-device workpieces
Planarizing machines and methods for mechanical and/or chemical-mechanical planarization of micro-device workpieces are disclosed herein. In one embodiment, a method for polishing a workpiece...
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6981908 |
Ferrule polishing control machine, ferrule polishing method, and ferrule polishing computer program
A ferrule polishing control machine has a ferrule type input part for selecting one type of ferrule from various ferrule types stored in a computer. A ferrule end face shape input part selects one...
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6942554 |
Apparatus and process for polishing a substrate
An apparatus for polishing a substrate with an optical surface. The apparatus contains a polishing pad and and a device for oscillating the polishing pad while simultaneously contacting it with at...
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6875095 |
Oscillating hand tool
The powered oscillated hand tool is provided having a housing and a drive unit contained in the housing having a first drive shaft 7 and a bearing 15 mounted eccentrically relative to the first...
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6358114 |
Method and apparatus for optical polishing
A lapping tool for localized optical polishing of a workpiece, the tool having a flexible working surface and being characterized by means for selectively varying the pressure applied, in use, on...
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6334807 |
Chemical mechanical polishing in-situ end point system
A structure and method for polishing a device include oscillating a carrier over an abrasive surface (the carrier bringing a polished surface of the device into contact with the abrasive surface,...
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6273799 |
Polishing head for plate materials in granite, hard stone or ceramic with abrasive segments having continuous oscillating tangential motion
A polishing head comprises a casing with abrasive segments attached thereto made to oscillate on radial shafts driven by a ring with vertical eccentric rotary motion. The ring is coupled to a first...
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6264534 |
Method and tooling for automated wet or dry sanding of a vehicle surface
An automotive vehicle body can be sanded with a robotic sanding (polishing) disk that is carried on a robotic head, such that the sanding disk has a relatively constant unit pressure on the vehicle...
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6171178 |
Wave beveling machine
A wave beveling machine is disclosed which produces a wave bevel on a glass work piece. The machine includes a feed path that is adapted to receive a glass work piece and which includes a plurality...
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6146241 |
Apparatus for uniform chemical mechanical polishing by intermittent lifting and reversible rotation
Methods and apparatuses for evenly polishing the entire polishing surface of a sample are described. One polishing apparatus of the present invention comprises: a platen having an upper surface...
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6110021 |
Micro devices manufacturing method and apparatus therefor
An exposure method according to the present invention includes a first step of forming on a substrate an alignment mark including a concave and convex pattern; a second step of forming a coat over...
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5624304 |
Techniques for assembling polishing pads for chemi-mechanical polishing of silicon wafers
A technique for mounting polishing pads to a platen in chemi-mechanical semiconductor wafer polishing apparatus is disclosed. A lower pad is mounted to the platen, and is trimmed to the size of the...
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5593342 |
Device for smoothing and polishing stone
A device for smoothing or polishing stone, of the type comprising at least two carrying segments for flat grindstones or bricks. These segments are driven with oscillatory movement so as to cause...
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5486131 |
Device for conditioning polishing pads
A device for conditioning the surface of a polishing pad covering a platen mounted on a polishing machine for rotation about a vertical axis, comprising a rigid carrier element carrying cutting...
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5245790 |
Ultrasonic energy enhanced chemi-mechanical polishing of silicon wafers
A technique for chemi-mechanical polishing of semiconductor wafers using ultrasonic energy is disclosed. A transducer is mounted in the polishing system, either to a platen to which the polishing...
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5193312 |
Non-rotating grinding apparatus
A grinding apparatus is housed in a casing (24). The grinding machine (3) with its grinding pin (15) is journalled in a rotatable attachment (2) such as to be imparted a rocking motion. The...
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RE34155 |
Machining a workpiece in a turret lathe and an NC lathe therefor
A method of Apparatus for machining a workpiece, which is rotatable about a first axis, by a tool pivotable about a second axis parallel to the first axis and drivable about a third axis...
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5161331 |
Rotating head having oscillating blocks for leveling and polishing surfaces of granite, ceramic or marble
The rotating head comprises oscillating blocks 1 mounted on inclined pins 2 connected by means of connecting rods 5, the rods being mounted on eccentric pins fixed to toothed helicoidal wheels 9....
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5154020 |
Spherical surface machining apparatus and transporting apparatus therefor
A spherical surface machining apparatus for machining optical lenses, mirrors and so on is provided which comprises a reference cam, mounted on a body frame located on one side of a grinding plate,...
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5148633 |
Tool for resurfacing exhaust port flanges
A tool that enables resurfacing of exhaust port flanges in the substantial absence of engine disassembly. An air motor that controls rotation of a resurfacing device is carried at the end of an arm...
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5111623 |
Process and apparatus for machining the inner surfaces of hollow bodies
A process and apparatus for machining the inner surface of a pipe where a tool carrier is positioned adjacent the area to be machined and a cutting tool is advanced about a pivot axis around the...
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5095661 |
Apparatus for transporting wafer to and from polishing head
Apparatus for transporting a wafer into position against the pressure head of apparatus for polishing the wafer. The transport apparatus includes a dolly for positioning a wafer over a transport...
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5088243 |
Method of forming the teeth of longitudinally curved tooth gears
A process of forming the longitudinally curved teeth of bevel and hypoid gears is disclosed. A dish-shaped tool is oscillated relative to a work gear with the oscillating causing the dish-shaped...
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5085007 |
Toric lens fining apparatus
A fining apparatus to finish the surface of an ophthalmic toric lens including a frame, a compound arcuate tool, a lens holding assembly, a motor for driving the tool in an orbital motion and the...
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RE33732 |
Method of machining a workpiece in a turret lathe and an NC lathe for performing this method
A method of machining a workpiece, which is rotatable about a first axis, by a tool pivotable about a second axis parallel to the first axis and drivable about a third axis perpendicular to the...
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5044122 |
Method and apparatus for beveling an inside edge of a glass article
A method for uniformly beveling an inside edge of a glass article having an opening at one end thereof includes the steps of: providing a plate having a peripheral shape generally corresponding to...
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4965965 |
Grinding head for surfacing and polishing stone, marbles and other hard materials
Grinding head for surfacing and polishing stone, marbles and other hard materials including a rotating housing supporting a number of oscillating grinding blocks which during rotation of said...
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4956944 |
Polishing apparatus
A polishing apparatus for polishing a surface of a work piece requiring high surface precision such as an optical component or a metal mold by applying a tool, in which the tool is given a rocking...
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4928435 |
Apparatus for working curved surfaces on a workpiece
An apparatus for working an aspherical surface on a workpiece including a mechanism for adjusting a position of a workpiece in a horizontal direction, a rotary table having a vertical axis of...
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4858388 |
Restoration or drill buttons
Apparatus for restoring drill buttons or like objects includes a support body and structure for positioning a drive shaft rotatable about its axis. Bearing structure secures the structure to the...
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4854080 |
Apparatus for sharpening periodontal instruments
An apparatus for sharpening cutters of periodontal instruments comprises a base supported on a parallelogram formed by two carriers in which is mounted in rotary manner a grinding wheel. At the...
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4713913 |
Air slide positioning for grinding spindles
A machine for grinding the cavity in a mold for optical lenses has a spherical grinding tool which is precisely positioned with respect to the center line of a rotary table upon which it is mounted...
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4662119 |
Automatic lens grinding apparatus
Lenses are successively and continuously fed to first precision grinding and cutting device wherein they are ground. Thereafter, the lenses are automatically conveyed to a second grinding and...
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4574527 |
Toric lens generating
Elliptical error in the generating of toric lenses is substantially eliminated, thereby reducing the time and cost of the production of such lenses. A cup-shaped cutter wheel is swept to cut the...
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4555229 |
Automatic machine for the internal fettling of sanitary appliances
An automatic machine for the internal fettling of sanitary appliances in general, which comprises a tappet device elastically loaded towards a cam having a profile conforming to the mouth of the...
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4520596 |
Grinding or polishing machine for optical lenses
A machine is of the type comprising an oscillating movable head with a tool-holding spindle, driven in rotation above a lens-support. The lens-support is borne by a vertically movable spindle which...
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4419846 |
Apparatus for grinding optical lenses
Apparatus for producing convex and/or concave spherical surfaces such as optical lenses, comprising a workpiece spindle having an end face to which a workpiece to be machined is securable and a...
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4392331 |
Clampable apparatus for grinding spherical surfaces
Clampable apparatus for producing convex and/or concave spherical surfaces such as optical lenses, comprising a frame, a swivel arm in the form of a gantry and mounted on the frame such that its...
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4232485 |
Apparatus for polishing curved surfaces
In a machine for smoothing and polishing part-spherical surfaces on lenses, a tool and a lens are supported in contact with each other for rotation about respective axes and one of the tool and...
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4173848 |
Polishing device
A device for polishing plano-convex lenses, quartz oscillators and the like comprises a lapping dish having a concave spherical surface and mounted for oscillating and rotary movement. The material...
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4161846 |
Center of curvature
An apparatus and method for performing conic sectional operations on a workpiece is disclosed. The apparatus includes a conic surface generator which traces the surface of a cone and a cutting...
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4161847 |
Apparatus and method for performing aspherical operations on a workpiece
An apparatus and method for performing conic sectional operations on a workpiece is disclosed. The apparatus includes a conic surface generator which traces the surface of a cone and a cutting...
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4068413 |
Adjustable lens grinding apparatus
An adjustable lens grinding apparatus of the type having a chuck for securing a planar lens blank thereto, an abrading cup for sweeping through the lens blank during an abrading stroke, and further...
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4054010 |
Apparatus for grinding edges of planar workpieces
An apparatus for grinding the edges of planar workpieces such as semiconductor wafers, wherein an abrasive material is provided on the side of a flexible substrate which is mounted in a...
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4041838 |
Valve arrangements for reciprocating piston machines
A valve arrangement for controlling the flow of fluid from an inlet passage to the cylinder of a reciprocating piston engine wherein the valve is opened by a cam against the resistance of a valve...
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3968598 |
Workpiece lapping device
The grain processing machine of this invention includes a supporting member for supporting work to be processed, a first rotation drifting motor including a rotating shaft for rotating the...
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