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| Number | Title | Issue Date |
| 4874565 | Plastisol slush process A method wherein an article is molded of liquid plastisol in a mold having mold heaters disposed adjacent the backside of a mold surface for controlling the temperature over respective first and second areas of the mold surface. First and second heating a... | 10/17/1989 |
| 4841725 | Fuel spray device for gas turbine augmentor or afterburner The fuel spray device is adapted for use in the thrust augmentor or afterburner of a gas turbine engine. The fuel spray device includes a fuel spray manifold having a plurality of spaced apart ejection orifices and a plurality of nozzle pintles each havin... | 06/27/1989 |
| 4831700 | Method for making a fuel injector The airblast fuel injector capable of accommodating high fuel temperature at the injector tip without deleterious fuel vaporization problems and resultant combustion instability in a gas turbine engine includes an annular spring valve mounted on an annula... | 05/23/1989 |
| 4754922 | Airblast fuel injector tip with integral cantilever spring fuel metering valve and method for reducing vapor lock from high temperature The airblast fuel injector capable of accommodating high fuel temperature at the injector tip without deleterious fuel vaporization problems and resultant combustion instability in a gas turbine engine includes an annular spring valve mounted on an annula... | 07/05/1988 |
| 4752366 | Partially conductive cathode for electrochemical machining The cathode includes a machining surface, at least a portion of which comprises alternate layers or lamina of conductive and non-conductive material whose spacing and thickness are selected to reduce over-cutting on the workpart surface.... | 06/21/1988 |
| 4742685 | Fuel distributing and metering assembly The fuel distributing and metering assembly provides separate multiple metered fuel flows from a common fuel reservoir by including a rotary valve having multiple valve metering slots for generating separate multiple fuel flows, a valve seat having multip... | 05/10/1988 |
| 4735695 | Electrolyte chamber with cathode sealing means for ECM machining An electrolyte chamber for an electrochemical machine tool includes oposed cathodes movable in respective directions toward one another and toward a workpart therebetween and in respective transverse directions and sealing pistons each movable in the elec... | 04/05/1988 |
| 4726396 | Fluid valve assembly The fluid valve assembly includes a hollow movable valve having an open-ended tubular fluid filter in the longitudinal bore of the valve and overlying transverse fluid discharge passages in the hollow valve to filter fluid before it flows through the tran... | 02/23/1988 |
| 4725705 | Method and apparatus for electric discharge machining with adaptive feedback for dimensional control Electric discharge machining of workpieces on a mass production basis is accomplished with adaptive feedback control to achieve accurate machining of a feature to a specified size. After machining a feature, it is measured to obtain a value which represen... | 02/16/1988 |
| 4721839 | Combined bore seat face grinding, EDM and lapping method for finishing fuel injector nozzle bodies A combined grinding and EDM apparatus has an indexable rotary turret with four work heads secured thereon to locate a pair of nozzle body blanks with their longitudinal axes in spaced parallelism; and either three or four compound cross and longitudinal s... | 01/26/1988 |
| 4712665 | Container lift mechanism A container lifting arrangement wherein a pair of spaced rails and a vacuum cup assembly are concentrically mounted and relatively actuated to raise and lower a container, in part while the container is being conveyed toward a filling station by a conveyo... | 12/15/1987 |
| 4709156 | Method and apparatus for inspecting a surface An improved method and apparatus for inspecting the curved surface of a stationary article includes a mirror which is moved to direct a beam of light from a light source through a lens against each point of an arcuate series of points on a curved surface ... | 11/24/1987 |
| 4702407 | Flat top container and blank for constructing same A flat top, thermoplastic coated, paperboard container having weakened lines formed thereon such that the top may be fully opened by breaking through a weakened line at the front and progressively breaking the weakened lines along the sides upon peeling b... | 10/27/1987 |
| 4695433 | Valved mix-head for rim process A high pressure mix-head for use in reaction injection molding systems includes a full cross section plunger and a piston valve assembly selectively positioned in response to recirculation and pour cycles to control flow through recirculation passages for... | 09/22/1987 |
| 4692990 | Hollow tool exchanging mechanism for a machine tool A machine tool, such as an internal grinding machine, includes a tool quill with a hollow tool having a deformable hub releasably held thereon and a compound slide for moving the tool quill relative to a tool removal arm and a replacement tool storage chu... | 09/15/1987 |
| 4686020 | Method of electrochemical machining bladed rotors In electrochemically machining individual oversize blades of an integral bladed gas turbine engine rotor, opposed cathodes are initially offset in an electrolyte chamber relative to a selected machining position with the rotor outside the chamber skewed a... | 08/11/1987 |
| 4683701 | Container sterilization apparatus A sterilization apparatus for sterilizing the interiors of paperboard containers, wherein such apparatus is operative prior to the container being mounted on a mandrel of a mandrel assembly on which the container bottom closures are formed, closed and sea... | 08/04/1987 |
| 4684455 | Electrical continuity clamp for ECM machine An electrically conductive arbor indexer shaft is coupled to an indexing D.C. motor by an insulator connector and the indexer shaft in an indexed position is tightly gripped by a resilient electrically conductive clamp connected to an electrically conduct... | 08/04/1987 |
| 4683743 | Apparatus and method for roll sizing diameters An apparatus and method are provided for roll sizing the periphery of cylindrical workpieces to finish and size the workpiece to a close tolerance diameter. The method and apparatus can also be used to prefinish and presize cylindrical workpieces in prepa... | 08/04/1987 |
| 4680894 | Fixture for honing thin wall gear parts Thin wall, torque sensitive pinion gears, sun gears or other such workparts are driven in rotation in a fixture during honing of the internal diameter to minimize out-of-roundness. The fixture for honing multiple workparts at a time includes a workpart dr... | 07/21/1987 |
| 4670635 | Multi-electrode electrical discharge machining apparatus An electrical discharge machine including a base frame having secured thereon a workpiece holding fixture and an upright frame member, a support member slidably mounted on the upright frame member, either one or two turrets indexably mounted on the suppor... | 06/02/1987 |
| 4664864 | Mold loading method and apparatus Apparatus and a process for manufacturing thin walled hollow parts such as automobile crash pads from dry thermoplastic powder includes a louver type valve system in the open end of a powder charge box and means for joining the charge box end-to-end with ... | 05/12/1987 |
| 4658619 | Machine for splining clutch hubs In pressure forming splines or teeth in the axially-extending sleeve of a clutch hub having a cylindrical oil seal surface adjacent the sleeve, a pair of special tooth-forming racks adapted to intermesh with a toothed mandrel with the sleeve therebetween ... | 04/21/1987 |
| 4657645 | ECM machine with workpart shroud and arbor assembly An integral bladed rotor for a gas turbine engine is fixtured on an incrementally indexed arbor and enclosed by a shroud except for a portion of the rotor to be inserted into an electrolyte chamber for machining by opposed cathodes at a workpart machining... | 04/14/1987 |
| 4657649 | ECM machine with skewed workpart and pocketed cathodes A machine for electrochemically machining oversize airfoil blades of an integral bladed gas turbine engine rotor includes a yoke assembly on which the rotor is fixtured and which is pivotable to place the lateral center plane of the rotor at an angle or s... | 04/14/1987 |
| 4655795 | Abrasive tool for honing The ratio of stock removal to tool wear (G ratio) of an abrasive tool having a copper-tin bond alloy with diamond abrasive grit dispersed therein is more than doubled when honing cast iron by including titanium carbide particulate in the bond alloy in an ... | 04/07/1987 |
| 4654957 | Flexible machining apparatus with single shank tool and multi-spindle tool head changing and operating capabilities The machining apparatus includes a machine tool having a primary spindle slide with a transversely extending tool head support rail member thereon which is aligned successively with a tool head load rail mechanism and unload rail mechanism on a side of th... | 04/07/1987 |
| 4655912 | Fluid valve assembly The fluid valve assembly includes a hollow movable valve having an open-ended tubular fluid filter in the longitudinal bore of the valve and overlying transverse fluid discharge passages in the hollow valve to filter fluid before it flows through the tran... | 04/07/1987 |
| 4654953 | Tool quill exchanging mechanism for a machine tool A machine tool, such as an internal grinding machine, includes a tool quill exchanging mechanism having an indexable tool quill storage magazine for positioning a replacement tool quill at a pick-up position, a worn or used tool quill discharge mechanism ... | 04/07/1987 |
| 4653235 | Superabrasive grinding with variable spark-out and wheel dressing intervals During grinding of successive workparts with a superabrasive wheel in a rough grind stage at a high wheel infeed rate and a finish grind stage at a relatively low infeed rate with spark-out stages after each of the rough and finish grind stages, the durat... | 03/31/1987 |
| 4652000 | Sealing system for high pressure gas applications A high pressure sealing system is disposed between a housing and a reciprocating member. One version has a reciprocating plunger and in another version is a reciprocating piston associated with a free floating piston. In the one embodiment, the reciprocat... | 03/24/1987 |
| 4649950 | Fuel nozzle assembly with integral valve assembly and inlet wash filter and primary fuel take-off A fuel nozzle assembly with integral valve for a gas turbine engine includes an inlet fitting with a tubular wash-type fuel filter therein between a central fuel passage and an annular primary fuel manifold therearound to filter primary fuel flowing throu... | 03/17/1987 |
| 4644125 | D.C. motor driven EDM head An EDM head has a single servo-controlled electric motor and a high ratio gear system that drives a wire electrode during both an EDM machining operation and a wire erosion compensation operation. An associated control system can be programmed to selectiv... | 02/17/1987 |
| 4641744 | Conveyor chain adjustment means A chain adjustment arrangement including a drive gear having a fixed axis, an idler gear having a movable axis, and a driven gear having a movable axis, a first rigid link mounted between the axes of the drive gear and the idler gear, and a second rigid l... | 02/10/1987 |
| 4640308 | Fluid control valve For application in controlling fuel flow to a gas turbine engine, the control valve includes one or more fuel inlet manifolds, a fuel outlet manifold and a fuel drain manifold in fuel flow relation with a longitudinal bore in a valve sleeve. A hollow spoo... | 02/03/1987 |
| 4639568 | Apparatus and method for finishing fuel injector spray tips using EDM Apparatus and a method are provided to form the interior of a fuel injector spray tip by use of a cold forming punch to form a V-shaped spray tip interior configured to reduce fuel dribble and thereafter finishing the interior by use of an EDM electrode t... | 01/27/1987 |
| 4634360 | Rotational mold for making multi-color plastic shells Apparatus for manufacturing multiple color thin-walled hollow shells for parts such as automobile door panels, consoles and instrument panels from dry thermoplastic plastisol includes a supply box with a divider to form two or more compartments in the box... | 01/06/1987 |
| 4633763 | Switch and valve assembly A switch and valve assembly for inflating or deflating a pair of bladders mounted in the back and seat regions of a vehicle seat. The assembly houses two normally-closed valve assemblies and two normally-open electrical switch assemblies, with two pushbut... | 01/06/1987 |
| 4628643 | Grinding wheel infeed control method The grinding wheel infeed control method provides a constant infeed rate calculated on the average electrical power consumed by the wheel drive motor in rough grinding an immediately preceding workpart. Each subsequent workpart is rough ground at a consta... | 12/16/1986 |
| 4624236 | Orthogonal dressing of grinding wheels In dressing a grinding wheel having a non-cylindrical contour, the wheel is moved in a path corresponding substantially to the desired wheel contour by first and second CNC controlled slides while a single point diamond or diamond roll dresser is rotated ... | 11/25/1986 |
