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4833831 |
Apparatus and method for sizing and finishing fixed jaw openings of open-ended wrenches
A system and a method for sizing and finishing the opposed interior side walls and the interior bottom wall between the fixed jaws of an open-ended wrench. The system includes a creep feed grinding...
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4829723 |
Rail grinding machine
A rail grinding machine especially designed for grinding railroad track rails at railroad track switches and road crossings. The grinding machine includes an articulated grinding module supporting...
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4827675 |
Method and apparatus for forming a curved slot
A dish-shaped wheel having an essentially slot-shaped conically extending cutting tip with the tip extending angularly from the wheel surface. The tip includes a super abrasive plating suitable for...
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4821459 |
Multilevel grinding apparatus and method
A grinding apparatus comprises first and second grinding wheels for grinding the arms of E-cores, or any other desired item, having two different lengths, in a single grinding operation.
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4819386 |
Optic fiber sanding fixture and method of using
A fixture and method for mounting one or more optic fibers and attached ferrule assemblies transverse to an abrasive surface. The fixture includes a holder plate (12) having one or more boreholes...
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4817340 |
Tool and method for repairing flat bearing surfaces
A tool and method for truing and reconditioning flat bearing surfaces without damaging adjacent cylindrical bearing seats is disclosed. The tool employs a journaling member which precisely...
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4817339 |
Process and device for grinding elongated objects
A process and a device for grinding, especially edge grinding, of elongated objects (15), the device consisting of a basic frame (1) which supports a carriage (13) horizontally displaceable by...
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4815714 |
Process for the manufacture of microporous film
A vapor permeable and liquid impermeable microporous film suitable for diaper back sheets and other disposable applications is produced by first abrading a filled, unoriented film by passing it...
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4813187 |
Method of grinding arcuate surfaces of workpieces
A method of grinding an arcuate (concave or convex) surface of a workpiece in a grinding machine involves rotation of the workpiece about an axis which may but need not intersect the workpiece and...
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4805351 |
Blade airfoil holding system
A method and apparatus for accurately positioning successive turbine blades in a fixture in preparation for grinding of the root form and/or of the shroud thereof. The leading edge of the airfoil...
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4800684 |
Apparatus for grinding and lapping sealing surfaces in slide valves and the like in situ or in the workshop
An apparatus for grinding and lapping sealing surfaces in slide valves and the like in situ or in the workshop has a base plate (21), a drive (6), and a rotatably mounted tool plate (3) which is...
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4798024 |
Method and apparatus for deburring the inner edge of part of a workpiece
A method and apparatus for deburring the inner edge of the bore of a workpiece. A tool is introduced into the bore, is rotated at high speed, and has a wobbling movement imparted thereto....
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4789438 |
Cathode surface treatment for electroforming metallic foil or strip
An electrodeposited foil having isotropic tensile elongation properties. The foil is formed by a process and apparatus wherein the plating surface is polished in a random manner. This provides a...
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4785589 |
Process for measuring and grinding the profile of a rail head
By means of several measuring sensors (C1 to C6), the distance (h1 to h6) from several generatrices (s1) to s6) of the rail-head profile to a reference base are measured and are compared as actual...
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4764448 |
Amorphous silicon hydride photoreceptors for electrophotography, process for the preparation thereof, and method of use
An amorphous silicon photoreceptor for electrophotography having a specific surface roughness is disclosed herein. Also provided are a process for the preparation and/or regeneration of the...
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4753048 |
Method of for grinding
There is disclosed a method of and apparatus for improving surface finishing and accuracy in a grinding operation employing a manipulator such as a robot which is coupled to a rotary grinding tool....
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4750298 |
Method and device for controlling the drive of different successively operated grinding disks
A method and a device for controlling a drive of successively operated grinding disks which are made of different compositions. The condition, for example metallic inclusions or the like, in each...
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4738055 |
Methods of adjusting optical fiber connector components
An alignment sleeve (66) for holding two conically shaped portions (30-30) of plugs (24-24) each of which terminates an optical fiber (25) includes two conically shaped cavities (68, 70)...
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4736545 |
Machine for tapering fiberglass pipe ends and method of using the machine
A machine for tapering the ends of lengths of fiberglass pipe is disclosed. The machine includes an enclosing cabinet having mounted therein an electric motor and a vacuum system. A grinding wheel...
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4731954 |
Method and apparatus for initiating an operation for dressing a grinding wheel in conformity with its degree of bluntness
In the method for introducing an operation for dressing a grinding wheel, actual differential value is formed from its infeed distance and the material removed from a workpiece, which value is...
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4722152 |
Method and apparatus for grinding the sliding surface of skates
An automatic sharpening of the slide surface of a skate to desired profile with regard to at least two dimensions x and y in a coordinate system is disclosed. A grinding wheel is by guide means...
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4715147 |
In-process gaging equipment for flexible grinding cells
A flexible grinding cell in-process gage system includes a pallet assembly and gage bench fixture assembly with means to preset the gage for subsequent use at a grinding station. The preset pallet...
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4707201 |
Method of producing polished block type, single mode, evanscent wave directional couplers by means of mass production of the coupler halves
A process for the production of polished block single mode, evanescent wave directional optical couplers. The process comprises producing a plurality of discrete coupler halves, each coupler half...
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4703587 |
Method and relevant apparatus for controlling machine tools
Two machine tools are provided with control systems for machining two different types of pieces to be matched to each other. In order to obtain small batches of relevant pieces that basically can...
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4703589 |
Method of driving a reciprocating sander
A reciprocating sander particularly adapted for sanding remote surfaces such as ceilings and walls is provided by concentrating a substantial part of the weight of the sander in a motor assembly. A...
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4688355 |
Method and apparatus for continuous compensation of grinding wheel unbalance
The invention pertains to a method of continuous compensation of unbalance present in a rotor, in particular, a grinding wheel. This is done by feeding a compensation fluid into correction chambers...
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4686796 |
Method and apparatus for improved polishing of turbine blades
An improved method and apparatus for polishing turbine blades is disclosed wherein the path of a sanding shoe with respect to the turbine blade is controlled as the turbine blade is rotated on a...
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4680897 |
Method for machining holes in composite materials
A method for boring well-defined holes in a composite material such as graphite/epoxy. A slurry of silicon carbide powder and water is projected onto a work area of the composite material in which...
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4676030 |
Apparatus and method for detecting a tool edge
A force transducer and circuit are used to detect the edge of a rotating grinding wheel. The force transducer produces an output signal indicative of a force applied thereto. The output signal is...
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4674235 |
Grinding wheel crack detector and method
A grinding wheel capable of detecting and a method of monitoring it to detect, the development of a crack or like damage therein are disclosed. The wheel is constituted of an electrically...
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4670972 |
Method for making magnetic heads
In the manufacture of a magnetic head, a magnetic layer is sputtered or evaporated on a surface of a first substrate of glass or nonmagnetic material and a nonmagnetic material such as glass is...
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4669228 |
Tire uniformity abrading method
An apparatus for reducing radial force variations of pneumatic tires by removing rubber in selected areas of the shoulders wherein the current generated by each grinder motor is detected, converted...
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4665660 |
Millimeter wavelength dielectric waveguide having increased power output and a method of making same
A millimeter wavelength solid dielectric waveguide having either an undulng or roughened outer surface is disclosed. As configured, and properly designed, for the wavelength of interest, the...
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4663889 |
Apparatus and method for grinding sidewall areas of tires
A grinder for removing a predetermined amount of rubber at a predetermined angle from a raised or recessed area on the sidewall of an inflated tire as the tire rotates. A pair of spaced sensors...
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4656790 |
Burnishing method and apparatus for magnetic disk
A magnetic disk is rotated by a drive mechanism, and compressed air is jetted to the same positions on the two surfaces of the magnetic disk. An abrasive tape and a magnetic material surface of the...
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4648211 |
Grinding guide and method for controlling the automatic grinding of objects
A guide for the grinding of a surface of an object having a region to be examined is provided by this invention. The guide includes at least two conductive leads and a conductive control track...
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4645561 |
Metal-polishing composition and process
The working surfaces of nickel-coated substrates for rigid magnetic discs are polished in a single-step process that employs a polishing composition comprising an aqueous suspension of unlubricated...
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4637171 |
Method of continuous compensation of unbalance present in a rotor and in particular in a grinding wheel
A method of continuous compensation of unbalance present in a rotor, in particular, a grinding wheel, where a compensation fluid is fed into correction chambers rotating with and arranged on the...
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4627196 |
Pressure-compensated hydraulic positioning system
A conditioner grinder having a workpiece carried by a car that reciprocates adjacent a grinding wheel. The grinding wheel is supported for movement in a direction both normal to the surface to be...
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4622098 |
Method for manufacturing semiconductor strain sensor
A semiconductor strain sensor has a semiconductor substrate having a pair of major surfaces parallel to each other. The substrate is worked to constitute a frame and a thin diaphragm by forming a...
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4616447 |
Method and apparatus for machining a workpiece ultrasonically
In uninterrupted and neat machining of a workpiece or material, particularly extremely hard material, with an ultrosonic tool is obtained by keeping constant or substantially constant the contact...
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4607461 |
Accurate positioning apparatus
The incremental very accurate positioning device is operable to control accurate positioning of a movable member such as a tool. The apparatus comprises a base with a mounting bar spaced from the...
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4603509 |
Magnetic attraction system grinding method
A magnetic attraction system grinding method and apparatus comprised of arranging a magnetic circuit forming means between an abrasive tool and a workpiece, thereby generating a grinding pressure...
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4590422 |
Automatic wafer prober having a probe scrub routine
In an automatic wafer prober, the prober steps through a certain predetermined sequence of die on the wafer. After a certain predetermined number of die have been probed, the prober automatically...
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4587771 |
Process for the backside-gettering surface treatment of semiconductor wafers
Point defects or impurities, which are detrimental to the quality of elecnic components, can be eliminated by means of rearsurface damage, which induces dislocations and/or stacking faults, by...
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4587765 |
Method of an apparatus for grinding work surface
A method of and apparatus for grinding a work by a surface grinder having a rotating grinding wheel with a flat grinding surface. During the grinding of the work, a support for the spindle of the...
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4584244 |
Preparation of cold flow resistant polymer powders
Free-flowing, reagglomeration-resistant powders are prepared utilizing finely divided polymer particles coated with alumina. The alumina-coated polymer powder exhibits cold-flow...
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4575971 |
Device for holding and aiding in the sharpening of welding rods
A device for holding and aiding in the sharpening of welding rods includes an elongated handle member defining an axial elongated cavity into which a workpiece can be inserted and housed. The...
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4569720 |
Copper etching system
The invention relates to a novel process of etching a metal clad substrate which comprises contacting said substrate with one or more reactive gases, as for example ozone, to form one or more...
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4559743 |
Method for calibrating a machining sensor
A method of calibrating an analog machining sensor of the varying resistance type which has been deposited on a surface involves depositing adjacent it with great positional accuracy relative to a...
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