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7575502 |
Method of operating honing feed system having full control of feed force, rate, and position
The feed system for a honing machine provides a capability to dynamically correct in real time errors in bore size inferred arising from variations in feed force, and a method of operation of the...
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7371149 |
Honing feed system having full control of feed force, rate, and position and method of operation of the same
The feed system ( 30 ) for a honing machine ( 10 ) provides a capability to dynamically correct in real time errors in bore size inferred arising from variations in feed force, and a method of...
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7220161 |
Automatic sharpening system for ice-skates
A method is for using a skate-grinding device. The method provides an automatic sharpening system ( 10 ) that has grip members ( 14, 16 ) and a grinding wheel ( 28 ). A blade ( 18 ) of a skate ( 20...
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6910946 |
Polishing machine
The polishing machine processes a workpiece put on table of body by four-directional control and is provided with a pair of columns. It comprises: first carrying unit having both ends fixed to pair...
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6893324 |
Angle head grinding apparatus
A computer controlled grinding machine grinds a cylindrical region and an annular shoulder of a rotatable workpiece. Relative movement is effected between the workpiece and a grinding wheel along a...
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6645048 |
Equipment for grinding/polishing a curved or flat wall element
An apparatus for grinding and/or polishing a surface of a wall element includes a first elongate guide device oriented substantially parallel to the surface of the wall element. A second elongate...
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6110009 |
Grinding machine for grinding frictional surface of pad and method of grinding the pad
The grinding machine for grinding a frictional surface of a pad of the present invention comprises: a grooving cutter to be rotated; a cylindrical grinding wheel arranged at a position distant from...
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5895311 |
Abrasive device that maintains normal line of contact with curved abrasive surface and method of using same
An abrasive apparatus adopted to abrade a curved surface of workpiece includes: an abrading head including an abrading tip having a substantially spherical outer surface and a rotating shaft...
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5700182 |
Apparatus and method for automated honing of elongated straight-edged cutting blades
An apparatus and method for automated honing of elongated straight-edged cutting blades such as those used in the printing and binding industry for the trimming of books or pamphlets and the like,...
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5516324 |
Method and apparatus for grinding ball grooves
In a method of grinding ball grooves formed in a workpiece with a grind stone, the grind stone is fed in a direction of a longitudinal axis of the ball groove in a condition in which an axis of...
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5090159 |
Multi-purpose grinder
A multi-purpose grinding device for sharpening hardware ranging from scissors to saw blades. It comprises a powered grinding wheel which can be moved and oriented in a plurality of positions...
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4987700 |
Mechanical scarfing apparatus
The present invention contemplates an apparatus for producing a controlled taper cut in a workpiece. The apparatus includes a plurality of horizontal support members for supporting a slidable...
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4936052 |
Machine and method of grinding molding die
A grinding apparatus comprising: the frame (1) being composed of a pair of supports (3) standing in opposing relation to each other and a support frame (4) which is stretched between and secured to...
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4896647 |
Cutting tool system for cutting stone and method of cutting same
A cutting system for cutting heavy stone slabs wherein the heavy slabs are supported in a fixed horizontal position by means of a plurality of apertures which are adapted to receive a plurality of...
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4850760 |
Method of finishing gears
A workpiece gear to be finished is held in mesh with a gear finishing tool with substantially no backlash therebetween. The gear finishing tool is then driven in mesh with the workpiece gear, and...
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4777768 |
Holding of glass sheets by electromagnet
The invention relates to machining of glass sheets and in particular to holding of said glass sheets during grinding of their edges. The glass sheets are locked on their work plate with an...
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4765095 |
Method for grinding pregeared bevel gears
A method and device for grinding pregeared bevel gears in which the grinding of both flanks of the tooth gap is performed in a single setting and by a single tool in a hobbing process. The grinding...
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4667443 |
End face grinding apparatus
A one-joint type horizontal pivot arm is adopted as contour tracing mechanism for controlling the position of a grinding unit along a contour of a plate material. The grinding unit is attached to a...
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4633620 |
System for processing of steel billets or the like to remove surface defects
Methods and apparatus are disclosed for processing of steel billets or the like to remove surface defects. A material-removing device such as a grinding wheel is automatically controlled to...
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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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4618297 |
Method and apparatus for machining racks for steering gear
A machine for cutting the teeth of a rack for a variable ratio rack and pinion steering gear employing a helical pinion having a plurality of identical teeth engaged with a rack having some tooth...
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4606150 |
Grinding machine
A grinding machine for machining the inner surfaces of workpieces. The machine has a bench to which are secured a workpiece headstock and a carriage which supports a grinder unit. The carriage can...
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4519167 |
Process and apparatus for the automatic control of movement of an edge grinding machine
The invention is in a process, and the apparatus, for path control of a processing tool of a grinding machine for an all-around edge grinding of a glass pane. A cross sled supports the processing...
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4502253 |
Surface treating and testing apparatus
Apparatus for grinding and simultaneously testing steel billets or other parts to remove portions which contain defects. The defects are detected by a probe which engages the part at a point in...
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4459783 |
Workpiece weighing system for conditioning grinders
A weighing system for a grinding machine which calculates the weight of material removed by the grinding machinery during a grinding procedure. Power signals from a watt meter indicate the power...
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4428158 |
Method and apparatus for grinding irregular surfaces
A tool for grinding irregular surfaces such as transition welds includes a base adapted to rest on the surface of the workpiece, a track on the base and a carriage which moves longitudinally of the...
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4387538 |
Grinding machine assembly
A grinding machine assembly includes a tiltable frame mounted in a machine frame movable back and forth on a machine base by a hydraulic cylinder assembly. A balancing pneumatic cylinder is...
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4384431 |
Methods of and apparatus for preparing an end portion of a lightguide fiber
A conical end portion of a connector plug and an end portion of a lightguide fiber which is encapsulated by the plug are prepared to form a conical end portion which is suitable for interconnection...
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4324118 |
Machine for roughing a peripheral vamp edge of a shoe
A turntable rotatable about a vertical axis X supports a carriage slidable thereacross; two templates, with profiles respectively conforming to those of a pair of shoes whose uppers or vamps are to...
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4296571 |
Profile grinding apparatus
A profile grinding apparatus comprising a stationary frame, a template support table and a workpiece support table. The workpiece support table is mounted at a fixed position on the frame. A...
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4255904 |
Universal positioning support for grinder wheels
An apparatus for universally supporting and positioning a rotating grinder wheel comprising a support base carrying a cage which rotates about a horizontal axis, and with a horizontally...
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4248019 |
Workpiece conditioning grinder control system
An elongated metal workpiece such as a slab or billet is moved longitudinally beneath a grinding head by a reciprocating car mounted on an elongated track. The grinding head includes a rotating...
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4112626 |
Automatic deseaming apparatus for elongate block of metallic material
An automatic deseaming apparatus for an elongate block of metallic material comprises a defect marking detector for detecting defect markings which consist of a material containing a fluorescent...
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4102245 |
Door frame truing apparatus
A machine or apparatus has been devised for accurately reconditioning or truing the sealing rim or flange of a door or window frame of a heavy piece of equipment, such as a furnace or coke oven...
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4094102 |
Oscillating cut-off saw
A grinding wheel is rotatably mounted on the end of the boom which pivots about a horizontal shaft on its other end. The shaft is suitably mounted on a frame which is disposed thereunder which is,...
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4018134 |
Apparatus for trimming and edge-cutting a plate-like metallic workpiece
An apparatus for trimming and profiling the edges of a metal plate comprises a table supporting the plate and at least one milling cutter unit guided laterally and parallel to a respective plate...
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3992826 |
Apparatus for automatically detecting and eliminating flaws on slabs or billets
Apparatus for automatically detecting and eliminating flaws on slabs or billets which comprises a single flaw detector for successively scanning the surfaces of objects to be examined to produce...
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3942287 |
Contour grinders
A contour grinder having a grinding wheel that forms a workpiece into a desired contour by directly controlling the movement of the grinding wheel with a motor operated by numerical control. The...
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3939610 |
Device and method of grinding metallic molds and products automatically
Apparatus and method for abrading or grinding a workpiece with great accuracy. An abrasive support unit is mounted on a vertical column for vertical and horizontal movement. The abrasive support...
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3721045 |
PRESSURE CONTROL SYSTEM FOR A GRINDING MACHINE AND ACTUATING UNIT THEREFOR
A pressure control system for regulably bleeding the applied fluid pressure on a grinding wheel to vary the contact pressure of the wheel on the work. A novel control unit having a manipulating...
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3667165 |
CONDITIONING GRINDER
A travelling carriage carrying a motor driven grinding wheel at the end of a pivoted arm reciprocates back and forth along a steel slab workpiece. A hydraulic cylinder forces the wheel down against...
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3645118 |
SHOE BOTTOM ROUGHING MACHINES
A machine for roughing the bottoms of shoes having a pair of roughing tools and a support for a shoe during relative movement between the tools and the support to cause the shoe to pass by the...
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3634975 |
SAWING APPARATUS
Method and apparatus for cutting door openings and similar panel structures having angular corners. The sides of the panel opening are plunge cut by a circular saw blade or wheel from the front...
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3604159 |
BELT TIGHTENER FOR GRINDING MACHINES
The disclosure relates to a belt tightener for a grinding machine. A drive unit has a belt extending to the grinding wheel, and a power device has a lost-motion connection with the drive unit to...
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3603038 |
INTERNAL GRINDER FOR STEEL INGOT MOULD
An elongated arm having a grinding wheel turnably mounted at its front end is supported by a cylindrical bearing to rotate about an axis of the arm. The bearing is pivotally received upon a work...
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3488891 |
GRINDING MACHINES
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3481224 |
SAW SHARPENING MACHINE
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3466807 |
DEVICE FOR MACHINING IRREGULARLY CURVED SURFACES
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3457679 |
LAPPING MACHINE
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3451170 |
BILLET GRINDER
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