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5081765 |
Methods for repair of turbine blades
A method of and apparatus for forming a through bore or recess in a turbine blade, for a lacing wire hole for example, includes a machine capable of approaching the area to be machined in a first...
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5082402 |
Method of drilling of through-holes in printed circuit board panels
A method of drilling a through-hole in a printed circuit board panel, which comprises placing a water-soluble lubricant sheet on one surface or each of two surfaces of a printed circuit board panel...
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5078552 |
Guide/drill stop for regulating drill depth
A guide/drill stop in the form of a hollow one-piece cylindrical sleeve for frictional engagement with a cutting tool, e.g., a drill bit, to regulate the desired depth of a hole to be drilled. The...
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5078031 |
Titanium diboride-eased composite articles with improved fracture toughness
Composite articles, cutting tools and wear parts are prepared by densification of a mixture comprising whiskers, fibers, or particles of hard refractory transition metal carbides, nitrides or...
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5069093 |
Method and apparatus for forming an incomplete hole in a workpiece
A method and apparatus for removing metal from a workpiece so as to form an incomplete hole therein is disclosed. The tool includes a shank having a plurality of cutting inserts adjustably attached...
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5067859 |
Method for drilling small holes in printed circuit boards
A method for drilling very small diameter holes (0.005 inches or smaller) in a printed circuit board is described, employing an entry overlay sheet. The entry overlay sheet is a thin layer of a...
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5066172 |
Countersink tool assembly
The countersink tool assembly of the present invention is rotatably driven by a conventional drill apparatus and includes an insert having a central aperture and two diametrically opposed ears...
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5066171 |
Method for drilling a printed circuit board
In a method of and an apparatus for drilling a hole in a workpiece, a pressure foot associated with a drill is moved into contact with the workpiece, and a drill bit associated with the drill is...
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5062187 |
Internal cutting head for drifting pipe
A portable system for reworking the inside diameter of heavy oil field casing, and especially casing that has irregularities on the inner surface thereof that render the casing unsuitable for use...
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5060363 |
Apparatus and method for forming holes in thermoplastic webbing
An apparatus and method for forming a hole in webbing constructed of thermoplastic material utilizes a clamping assembly for holding the webbing in a stationary condition for working thereon, a...
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5050288 |
Dynamic dimensional control matrix system
The invention is a method for continually adjusting fastener drilling and installation in response to part growth during assembly of certain aircraft components. A series of normal installation...
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5036574 |
Multiple piercing apparatus and method
A multiple piercing apparatus for piercing a workpiece having a plurality of reference marks defining the piercing locations. A plurality of adjustably movable piercing unit cases are opposedly...
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5035554 |
Method for determining the radius described by a tool
In CNC machining, the radius of the circle described by a tool tip has been set manually using a separate setting machine. The present invention allows such a radius to be set automatically. A...
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5033179 |
Tool and method for adjusting camber and caster
A tool for use in adjusting the camber and/or caster of a vehicle wheel attached to a suspension system of a vehicle having a strut member which is secured at an upper end of the vehicle at a first...
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5030039 |
Apparatus and method for installing a thermometer-receiving well within a fluid service pipe
Apparatus and method for installing a thermometer-receiving well within a fluid service pipe without interrupting the service in the pipe. A rod member is provided which defines a first end for...
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5024563 |
Cutting apparatus
Boring apparatus includes a multiple start screw to secure a cutting piece to a boring bar. The multiple start screw prevents loosening of the cutting piece during use of the boring apparatus. The...
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5022798 |
Thrust-responsive two-speed drill and method of operation
A positive feed drill and method of operation is disclosed for drilling through a workpiece consisting of a softer overlay material on a harder base material. The positive feed drill includes a...
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5022799 |
Coke drum drill stem alignment device
Apparatus and methods for alignment and mounting in position of a drill stem provided at one end with a cutting tool for use in removing coke from a coke drum. The drill stem is provided in the...
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5022834 |
Scroll compressor with enhanced discharge port
A scroll compressor has a pair of mating scrolls that are disposed on parallel, eccentric axes, and each of these scrolls has a scroll plate and a spiral, involute wrap. The scrolls are driven so...
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5021018 |
Method for making a panel assembly
The method for constructing a panel assembly for a control unit comprises the steps of: creating a layout of the system to be controlled in a computer-aided-design system; providing in the layout...
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5020945 |
Boring apparatus and method of modifying concrete blocks
A modified concrete block, apparatus and method of manufacture for making the concrete block which includes a bored arch-shaped inspection hole formed through one side wall into one cavity of the...
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5017056 |
Positioner for accurately drilling a hole in a tool ball pad
A tool ball pad hole positioner is provided which includes first plate which is securely positionable with respect to a jig and has a large aperture therein; a second plate which is movable with...
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5012566 |
Drilling and expanding tool for removing carburetor seal plugs
A tool for removing seal plugs from a carburetor baseplate having a shaft and collet arrangement in which the shaft is formed at one end by a drill bit. The members are concentrically aligned...
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5009553 |
Method and apparatus for drilling hardplate
A rotatable cutter bit for drilling a hole in the hardplate of burglar-resistant safes includes an elongate hollow barrel having diamond grit bonded in a matrix to the periphery of the...
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5006021 |
High pressure gas drilling
High pressure gas cutting process useful for drilling large numbers of holes in large surface area workpieces such as air frame components and the like. The procedure utilizes a cutting tool which...
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5001827 |
Turret punch press with a tapping function
Disclosed is a turret punch press in which tap holder assemblies TA are incorporated into the press body through tool lifters. Each of the tap holder assemblies TA is composed of a tap holding...
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4986701 |
Process for manufacturing a cylindrical body and a device for carrying out the process
A process for manufacturing a cylindrical body and a device for carrying out the process. With this process, in particular sample bodies of absorbents are obtained. The intention with this process...
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4982496 |
Method of making lug journal for roller cutter drill bits
A method of machining a journal (14) on a lug (10) for a roller cutter drill bit in which the stand (22) holding the lug (10) is fixed and a cutting tool (26) is mounted on a holder ( 24) over the...
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4982489 |
Tool set and method for gauging and restoring concentricity between axial sections of a workpiece bore
A tool set for gauging and repairing concentricity of a workpiece bore axial section with the pitch diameter of the internal threads in the bore includes a gauge sleeve, a gauge rod, a reamer, and...
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4978255 |
Tapping fluid supply pipes
A fluid supply pipe (1) is drilled and tapped using a saddle (2) adhered to its surface, the drilling and tapping tools being attached to the saddle. The saddle (2) comprises a sole plate (3)...
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4969780 |
Method for using a die holder with centering and squaring guide to cut threads on a cylindrical workpiece
A method for using a die holder with centering and squaring guide to cut preliminary and final threads on rotatable stationary workpieces is provided and includes a locating pin, a die with set...
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4968189 |
Hole saw driver-extruder and hole enlarger
A device is disclosed for driving conventional hole saws and for extruding sawed material from within said saws after sawing. An internally right hand threaded shank is attached to the outer base...
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4968190 |
Method of cutting threads
A method of threading or rethreading a member by the use of a die made up of a plurality of complementary separable interfitting parts held together by a tensional element disposed around the...
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4963217 |
Method of making a planar work surface
A highly accurate positioning system used in connection with a photoplotter assembly employing a dual axis drive system having low mass and low inertia components. The drive elements of the system...
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4961675 |
Adjustable set back control device
A device for adjustably controlling the position and set-back of a piston rod which extends from a damping cylinder used on an airfeed peck drill. The device includes a plurality of ball members...
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4954200 |
Method of making drill back-up material for small bore drilling of circuit boards
Disclosed is an improved back-up sheet for backing a workpiece during a small bore drilling process. The sheet also possesses electrical properties making it an ideal candidate as a laminate...
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4954022 |
Method for machining multiple cuts in a workpiece to a uniform depth
There is disclosed a method for machining multiple holes in a workpiece to a uniform depth and at a predetermined angle to the surface of the workpiece. The method is performed by a numerically...
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4946320 |
Routing procedure
A metal work sheet is prepared for routing operations by securing it to a backing panel with a releasable contact adhesive. The coated panel is initially covered by a release sheet, which is...
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4943191 |
Drilling and thread-milling tool and method
A drilling and thread-milling tool is disclosed which has at its front-end 7 at least one end-cutting edge 8 for making a core-diameter hole and, behind it, non-pitched thread-milling teeth 4 to...
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4932814 |
Portable line boring machine
A portable line boring machine has a rotatable boring bar on which a tool bit is mountable. A first drive mechanism rotatably drives one end of the boring bar. A second drive mechanism linearly...
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4929370 |
Dry lubricant drilling of thru-holes in printed circuit boards
Thru-holes are drilled in a printed circuit board panel having alternating dielectric layers and electrically conductive layers. A water soluble dry film lubricant sheet is placed adjacent an...
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4925346 |
Method of increasing useful life of tool steel cutting tools
The wear life of a high-speed tool steel cutting bit is increased by (a) cleansing the bit by subjection to an ion beam; (b) while preventing the temperature of said cleansed from rising above...
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4917547 |
Apparatus and method for dispensing solution to prevent smear in the manufacture of printed circuit boards
A method and apparatus for dispensing a smear-preventing solution onto a drill bit used for drilling printed circuit boards includes a drilling jig having a drill bit for engaging the printed...
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4917548 |
Pattern drilling machine for securing roofing insulation
A lightweight machine for drilling a pattern of fastening holes in panels of installed roofing insulation is movably supported on rollers that rest on the panels without substantially deforming...
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4909678 |
Boring apparatus for a laminated plate and boring cutter
An apparatus for boring a laminated plate includes a table having a first surface on which a laminated plate may be placed for boring and an opposing second surface, the table defining at least one...
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4902175 |
Method and apparatus for determining the angular position of a workpiece and positioning the same
A method and apparatus for determining the angular position of a workpiece and for positioning the same relative to at least one tool. The workpiece has at least one set of teeth. Pulses are...
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4899440 |
Method and apparatus for locating targets on a panel and performing work operations thereon
A method and apparatus for use with a panel having at least first and second targets thereon detectable with x-rays and comprising relatively moving the panel and an x-ray detection apparatus along...
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4889453 |
Method of forming a tapped hole
A tapped hole produced in a metallic material by threading a preselected standard threaded fastener into an untapped hole formed in the material. The diameter of the hole to be formed is determined...
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4885829 |
Fatigue life enhancement of dovetail connector slots and noncircular openings
A pair of openings (14) are drilled in a workpiece (12) at locations spaced inwardly from an edge (76) of the workpiece (12). Each opening is cold-expanded by the passage of a mandrel (46') only,...
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4866834 |
Method for producing mounting and valve bores in a wheel
A methode serves for producing bores in wheels of motor vehichles, in particular for producing mounting bores (14) in a wheel disk (12) or valve bores in a rim of the wheels. The bore has a larger...
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