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3776655 |
CARBIDE THREAD CHASER SET AND METHOD OF CUTTING THREADS THEREWITH
A set of multitooth thread chasers with their teeth shaped and arranged to perform a succession of central roughing cuts of approximately trapezoidal cross section, respectively, and of...
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3767314 |
APPARATUS FOR PRE-DRILLING HOLES IN STUDS AND BLOCKING
Holes are pre-drilled in a stack of beams which are thereafter used as blocking or studs in the construction of building wall frames. The holes provide means for quickly routing electrical conduits...
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3765785 |
METHOD AND APPARATUS FOR TRIMMING AND FINISHING PLASTIC JARS
Method and apparatus for trimming and finishing in one operation plastic jars produced with a flange extending from the mouth thereof. A revolving cutter blade engages the edge of the mouth of the...
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3761191 |
ELECTRODE NIPPLE DRILLING MACHINE
A machine for drilling holes in electrode nipple blanks, the holes being undercut to hold the appropriate thermosetting binder material. The machine is air driven and has a control system which...
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3752593 |
PLASTIC PIPE REAMER AND METHOD
A pipe reamer apparatus particularly for use with plastic pipe and a method of reaming plastic pipe fittings such as elbows or the like.
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3742584 |
METHOD OF INSTALLING TAPERED FASTENERS HAVING A HIGH PERCENT OF CONTACT SURFACE
Manufacturing tools and method of making connections between structural members by fitting tapered fasteners into tapered holes with an extremely high percent of contact surface for fatigue...
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3739461 |
METHOD OF PRODUCING CLEAN WALLED BORES IN LAMINATES WORKPIECES
A method of enlarging or reaming a bore in a laminated workpiece which consists of selecting a straight fluted reaming tool whose diameter just exceeds that of the bore to be reamed. The reamer is...
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3732025 |
METHOD FOR MACHINING VALVE BODY CASTINGS
The method of, and system for, machining valve body castings, and the like, having inlet and outlet cored openings in opposite ends thereof, a valve seat, and a cored bonnet opening in the side...
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3722360 |
MEASURING AND LOCATING METHOD
A method of using a measuring and locating system utilizing a novel surface plate and fixtures associated therewith is disclosed. Basically, a plurality of uniform recesses are formed in a surface....
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3718404 |
APPARATUS FOR DRILLING HOLES THROUGH A STACK OF SHEET PAPER
Stacks of sheets to be bound are fed into a drilling apparatus which forms a series of smooth openings into which binding elements are subsequently inserted. The stack of sheets is temporarily...
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3704073 |
VEE MACHINING CENTER
A Vee machining center employing two distinct non-captive tool retaining means which are, each, operable to retain a tool in substantially the same position as a function of the tool releasing...
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3700341 |
LAMINATED BOARD AND METHOD OF MAKING SAME
A laminated board formed of a core of pressed wood covered with preferably aluminum foil outer layers, adhesively bonded thereto, which is useful for a back-up board when drilling printed circuit...
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3696504 |
METHOD OF PERFORMING SEQUENTIAL NON-MECHANICAL AND MECHANICAL MACHINING OPERATIONS ALONG A COMMON CENTERLINE
The disclosure relates to a method of drilling holes in difficulty machinable material wherein non-mechanical means, such as a laser or an electron beam, is used to drill a first undersize hole...
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3697188 |
APPARATUS FOR FORMING HOLES IN AND INSTALLING LINES IN STRUCTURAL MEMBERS
Holes for electrical conductor lines and the like are formed through oftentimes inaccessible wooden obstructions, such as structural frame members of a hollow wall, by utilizing a novel drill...
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3688386 |
METHOD FOR FENESTRATION OF CONTACT LENSES
This disclosure shows a means and method of fenestrating contact lenses by use of a series of very small tools specifically a small hand drill, a tapered reamer, and a bevelling tool having a 90°...
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3689168 |
MOUNTABLE CHIP BREAKER AND FLUTE CLEANER FOR ROTATING TWIST DRILLS
A chip breaker and flute cleaner for twist drills is adapted for attachment to the worktable or column of a drill press or radial drill or the like. A base member carries an adjustable arm which...
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3680971 |
MACHINE AND METHOD FOR ADDING LEFT THREADS TO RIGHT THREADED BOLT
Apparatus and method for cutting left-hand threads on a right-hand bolt and removing burrs resulting from such cutting. A right-hand thread cutting die is mounted backward to rotate coaxially with...
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3677655 |
BRAKE DRUM TRUING METHOD AND APPARATUS
Apparatus and method for redefining the central opening through a brake drum so that the central opening is concentric with respect to the lug hole arrangement in the brake drum wherein the...
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3677583 |
BUSHING AND METHOD OF MANUFACTURING
A method of fabricating tapered bushings for use with hubs having a tapered internal wall corresponding to the external taper on the bushing, for use with securing screws inserted in holes...
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3659482 |
METHOD OF REAMING A ROTATING PIPE
A method is provided for the reaming of pipes wherein a portable rotary power source such as a power vise may be employed to rotatably drive the pipe. The method involves establishing a universal...
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3654690 |
METHOD FOR REMOVING BROKEN STUDS
A method for removing a broken threaded member from a tapped bore including a drill bit adapted for rotation in the same direction required to withdraw the broken threaded member and in which a...
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3645638 |
METHOD AND APPARATUS FOR CUTTING THREADS
A series of individual single tooth thread cutting tools are rotated concurrently about the axis of a pipe and are applied in cutting relation thereto in succession, at the same starting point, by...
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3637317 |
METHOD AND APPARATUS FOR DRILLING MULTIPLE HOLES
A drilling unit and method of drilling a large number of holes of various sizes in a preset pattern in a single movement of the drilling head. A plurality of drills, each having a crank portion,...
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3623757 |
LOCK MOUNTING
A socket to receive a lock unit is provided in a door stile or panel and is bounded by opposing surfaces of revolution defined by a right line generatrix moving parallel to and centered on an axis...
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3617140 |
METHOD AND APPARATUS FOR PIERCING A POLE TO ACCOMMODATE HARDWARE-MOLDING FASTENERS
A method and apparatus for piercing poles including a perforated template used to locate the centers of the mounting holes; an auger-guiding jig that is positionable on the pole and is alignable...
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3614249 |
METHOD OF FINISHING A DISPLACEMENT CHAMBER IN A ROTARY FLUID DEVICE
A method of finishing a displacement chamber in a rotary fluid device such as a rotary-disk meter, displacement pump and so on which carries a pair of rotors such as rotary disks, revolving gears....
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3540319 |
BORING METHOD AND APPARATUS
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3516426 |
METHOD FOR INSTALLING A THERMOPLASTIC PIPE BRANCHING SADDLE ON AN OPERATING THERMOPLASTIC MAIN
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3503122 |
METHOD OF FORMING A TUBULAR ARTICLE
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3489040 |
METHOD OF DEEP BORE DRILLING
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3436155 |
DRILLING AND TAPPING AID IN THE FORM OF AN APERTURED CARD HAVING A REFLECTIVE AND MAGNETIC FACE
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3399443 |
Turbine wheel
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3391588 |
Apparatus and methods for removing flash from a plastic container
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3378866 |
Method and tap for making lock nuts
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3372609 |
Method for drilling holes in articles, especially in books, and apparatus for utilizing the method
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3369293 |
Method of manufacturing etched circuitry
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3365784 |
Method for mounting molding on panels
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3364939 |
Method of tapping prestressed pipes
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3359583 |
Positioning apparatus
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3359581 |
Key threading devices
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3349647 |
Bowling ball drilling method and apparatus
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3348248 |
Automatic tapping machine and method
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3329043 |
Drilling machine for bowling balls
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3327747 |
Method of and apparatus for kerfless cutting of wood
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3327570 |
Tire molds
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3293740 |
Method of producing a hole saw mandrel
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3293952 |
Pipe hole cutter and method
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3289501 |
Method of machining a pump stator
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3286335 |
Method for replacing a seal in a support housing
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3268928 |
Method of producing a separable nut
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