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4292006 |
Manufacture of ceramic ware
A handle-cutting device comprises a conveyor in the form of a horizontal table arranged to be rotated step-by-step to bring handle holders in turn to a handle-cutting station where the handle is...
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4260304 |
Method for machining an impeller cover
In a method of machining an upper conical surface in an annular impeller cover, a rotatable milling cutter has its cutting surface ground to an angle approximately equal to that of the desired...
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4248556 |
Method for smoothing the surface of bar material
A method and apparatus for smoothing local unevenness from the surface of bar material, such as anode bars, consisting of clamping the bar rigidly against a supporting frame and moving a smoothing...
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4227842 |
Method of using Si.sub.3 N.sub.4.Y.sub.2 O.sub.3.SiO.sub.2 ceramic system for machining cast iron
A process for continuous or interrupted machine cutting of solid cast iron by milling, turning or boring with a shaped tool, wherein said shaped tool is a ceramic consisting essentially of Si 3 N...
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4221513 |
Method of continuously machining supports for electromagnetic wave guides
Continuous machining of grooves in a cylindrical dielectric rod is achieved by guiding the rod into a heating machining head incorporating a rotating cutter made from a chemically etched stainless...
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4218164 |
Apparatus and method for perforating tubing
Corrugated tubing is advanced along its axial path by rotatably driven lead screw members the screw threading of which is in meshing engagement with the corrugations of the tubing, the lead screw...
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4183283 |
Methods of cutting patted hollow filaments
Hollow filaments, which are suitable for use in separating one or more components from a fluid mixture by selective permeation, are embedded, or potted, in a solid potting mass and the potting mass...
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4180357 |
Apparatus and method for perforating tubing and method of producing part of such apparatus
Corrugated tubing is advanced along its axial path by rotatably driven lead screw members the screw threading of which is in meshing engagement with the corrugations of the tubing, the lead screw...
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4165402 |
Chip-removing machining method and apparatus for semiconducting crystals, specifically suited for the production of force and pressure measuring cells
A method and apparatus for shaping semiconducting crystals for utilization in force and pressure measuring devices by chip removing machining of at least one surface portion of the crystal member....
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4133361 |
Method for machining joints for miters, grooves and other joinery in a beveled or straight panel edge and apparatus for same
Improved method and apparatus for machining the mitered edge surface of a composite material panel uses a multibladed cutting head rotatable about an axis of rotation that intersects the surface....
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4008515 |
Method of transporting toolholder
There are disclosed herein methods for transporting a toolholder between a tool storage rack and a machine tool spindle which include the steps of, in one continuous operation, causing a tool...
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3990332 |
Oxygen assisted machining
A method to reduce the growth rate of localized tool wear at the depth-of-cut line by the enrichment of the cutting zone atmosphere with gaseous oxygen.
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3987712 |
Fixture for cutouts in drain troughs
For removable attachment to a sheet metal drain trough or gutter a cutting fixture which has rigid template portion having an opening therethrough defining the size and shape of a hole to be cut...
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3975866 |
Method and apparatus for machining housings for slant axis rotary mechanisms
Method and apparatus for machining an end surface for a housing for a slant axis rotary mechanism having a slant angle of .crclbar. and a rotor to shaft to housing timing ratio of S R /S S S H ....
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3964367 |
Device for machining trochoidal inner walls, especially for the cylinders of Wankel engines
A machine for machining the inner walls of the cylinder of a Wankel engine in which a support is provided for the cylinder to be machined which rotates the cylinder about a first axis in one...
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3954043 |
Method and apparatus for clamping and milling work in a lathe
A method and apparatus for use on an automatic multispindle lathe of the type wherein the spindles are indexed into various positions about a central axis, the present method and apparatus...
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3893371 |
Method and means for operating a spindle drive in a machine tool
A machine tool includes a head which supports a vertically movable quill within which there is disposed a rotatable spindle to which various kinds of cutting tools may be attached. The spindle is...
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3867869 |
STATIONARY GUIDE BLADE STRUCTURE FOR AXIAL-FLOW TYPE TURBO-MACHINE
A stationary guide blade structure for installation in the guide blade carrier of a turbo-machine in which one lateral surface of the root portion of the blade lies in a meridional plane and...
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3848371 |
METHOD OF RECONDITIONING A HEAT EXCHANGER
A method of reconditioning an annular sealing surface on the header of a heat exchanger, in which a tool for finishing the sealing surface is supported on a ring, with suitable feed adjustments for...
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3831470 |
METHOD AND APPARATUS FOR FORMING SLITS IN TUBES
A tube is slit or slotted for use as an irrigation pipe, for example, by intermittently feeding the tube through a slitting station in a stepwise manner and moving a plurality of rotating cutting...
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3831487 |
METHOD FOR MILLING CAMS FOR SWISS-TYPE SCREW MACHINES
The invention is directed to a novel apparatus for milling Swiss-type screw machine cams. The invention provides a highly simplified and economical numerically controlled system enabling Swiss-type...
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3821912 |
METHOD FOR PROVIDING PARTIAL SLITS IN CORRUGATED DRAIN PIPE
A method and apparatus for providing a plurality of partial slits about the periphery of continuous corrugated drain pipe comprising a plurality of rotating blades which are oscillated...
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3813989 |
METHOD OF POSITIONING THE HEAD OF A MACHINE
A method of positioning a generally vertically extending positionally adjustable tool-driving head of a machine, such as a milling machine, at a predetermined direction includes providing a base...
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3758928 |
TOOL FOR USE IN BOOK BINDING
An interlocking roughing bit for use in book binding and for providing groove with a shingled side on the edge of a plurality of adjacent pages which is to receive adhesive comprising a body...
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3745621 |
SLITTING AND ROUTING MACHINE
The invention contemplates a method and apparatus for producing a bore of prescribed size and shape in elongated stock which is to be or has been longitudinally cut into separate halves, the bore...
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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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3696707 |
CUTTING OF DEPOSIT FORMING STEEL AND CUTTING TOOLS FOR SUCH STEELS
Efficient cutting of deposit forming steels, such as described in French Pat. No. 1,387,441, with tungsten carbide cutting insert having a high tungsten carbide content over an extended period of...
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3668971 |
METHOD AND APPARATUS FOR MACHINING AN ELONGATED WORKPIECE
An elongated workpiece, which is maintained under tension, is machined along its surfaces by relative longitudinal movement between the workpiece and a support for a pair of perpendicularly...
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3555963 |
REMOVABLE HEAD FOR A MACHINE TOOL
An automatic spindle transfer machine of the type known as boring, tapping, drilling, reaming, turning or milling machine, is provided with a removable spindle toolholder. A conveyor or transfer...
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3528338 |
METHOD AND APPARATUS FOR CLEANING WORKPIECE EDGES
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3518917 |
METHOD OF SUPPLYING FLUIDS TO MACHINE TOOLS
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3424054 |
METHOD OF MACHINING METALS AND APPARATUS THEREFOR
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3413708 |
Process for machining expanded honeycomb
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3371581 |
Milling apparatus
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3370491 |
Method of and apparatus for cutting helically inclined slots in tubular members
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3295190 |
Method of machining metal castings for screw propellers and the like
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3287798 |
Method of making hour symbols for timepiece dials
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3264941 |
Precise repetitive positioning device
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3247766 |
Process for machining tubular elements with fins for heat exchangers
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3187609 |
Combined horizontal boring, drilling and milling machine
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3176387 |
Method of machining a thin-walled object
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3134209 |
Shaping the end faces of sealing lips of shaft-sealing rings
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3100929 |
Lock joint sealing ring
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3078560 |
Method of cutting rubber and the like
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3066578 |
Temperature control of machine tool
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2981989 |
Method and apparatus for manufacturing a cast worm wheel
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2969718 |
Combustion chamber and method of forming combustion chamber cavities
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2968999 |
Process for cutting metal employing amorphous silica
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2949050 |
Method of making pinking or scalloping shears
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2941287 |
Method of making a universal joint
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