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| Number | Title | Issue Date |
| 5655337 | Temporary material installation support device and method of use thereof The present invention relates to a drywall support device. More particularly, this invention relates to a drywall support device for temporarily attaching a sheet of drywall to a ceiling for easier permanent attachment by using a lift system to raise the ... | 08/12/1997 |
| 4779323 | Fluid shear coupling apparatus A fluid shear coupling apparatus is disclosed herein which includes a driving member comprising a rotor mounted to a shaft and defining several annular ridges and grooves. The apparatus further includes a driven member including a bearing housing mounted ... | 10/25/1988 |
| 4776076 | Method of fabricating a rotor hub of composite material A method of fabricating a rotor hub of a fully articulated helicoper rotor system, the rotor hub including a central portion and at least two pairs of lug arms extending therefrom, according to which composite material is dispensed onto the mandrel and wo... | 10/11/1988 |
| 4774749 | Plain bearings and process for manufacturing same A plain bearing comprises a metal cylinder as an external member and a resinous cylinder as an internal member, in which the outer surface of the resinous cylinder is firmly engaged and bitten with a concavo-convex portion formed on the inner surface of t... | 10/04/1988 |
| 4757592 | Method of erecting a portable drilling rig A jacking crane supported by four telescoping hydraulically powered legs is used to erect a two spaced apart parallel column drilling derrick. Each column is composed of a number of identical column sections which are assembled on site using the jacking c... | 07/19/1988 |
| 4741081 | Method and apparatus for making t-tube fittings A T-fitting is formed from two precut lengths of tubing of the same, relatively small, inner and outer diameter. One length of tubing is formed with a reduced diameter neck section at one end whose outer diameter is approximately equal to its normal undef... | 05/03/1988 |
| 4738013 | Method and apparatus for attaching a ring-like part to the outer periphery of columnar material The present invention provides a method and apparatus for attaching a ring-like part to the outer periphery of a columnar material, as, for example, in the assembling of a catalytic converter. The columnar material is positioned and supported with its axi... | 04/19/1988 |
| 4738010 | Method of producing a sheet or plate-shaped structure as the bearing material for slide bearings A method of producing a plate-shaped bearing member for sliding bearings, the structure being composed of a patterned body of supporting bearing material and a lubricant, utilizing a galvanoplastic fabrication step, the method including: producing a mold ... | 04/19/1988 |
| 4736519 | Nutplate installation tool A tool for installing nutplates to a structural part. The tool is portable or useable with a robot. The tool includes a supply of nutplates and a rivet feeding and insertion mechanism. The rivets are inserted in the structural part, followed by the positi... | 04/12/1988 |
| 4737417 | Cast fixture for holding composite workpieces A cast metallic fixture for workpieces including twin turbine blades has two spaced-apart walls which surround portions of the exterior of a workpiece and several webs which connect the walls to each other. The fixture is made in a casting mold which has ... | 04/12/1988 |
| 4734968 | Method for making a valve-seat insert for internal combustion engines A valve-seat insert for internal combustion engines comprises a double-layered, sintered alloy composed of a valve-seat layer on which a valve is seated, and a base layer integrated with the valve-seat layer and adapted to be seated in a cylinder head of ... | 04/05/1988 |
| 4734973 | Method for assisting bracelet attachment A method for positionally stabilizing one end of a bracelet while the bracelet is being secured about the wrist includes a recessed receiver, a positive engagement clamp and a base portion with a flat stabilization surface. The receiver is in the form of ... | 04/05/1988 |
| 4733458 | Bayonet coupling for axially mounting a ring-shaped member on a shaft stub A circular groove present on a journal on its end is utilized to provide a bayonet coupling on the journal without mechanical refinishing work to fix or clamp a ring piece axially on the journal. The clamped supporting elements of the bayonet coupling are... | 03/29/1988 |
| 4733454 | Method for integrating a boot piston into a disk brake The piston boot is first set at the middle portion of a cylinder jig having a small diameter upper step portion and a large diameter lower step portion with the middle portion position therebetween and having radial air blow off vents. The upper step port... | 03/29/1988 |
| 4733460 | Applicator device constituting a magazine for articles to be applied using the device, especially for cable markers An applicator device constitutes a magazine for the articles to be applied using the device. It comprises an elongate body adapted to hold and guide the articles. A longitudinal hollow space inside the body open at each end is adapted to receive the artic... | 03/29/1988 |
| 4733452 | Production of jackets for flexible magnetic disks, and apparatus for this purpose The jacket blanks punched out from a film web are folded to give jackets and then closed by spot welding with the aid of a wavy resistance belt, the welding temperature being produced for a short time by means of a current pulse in the resistance belt.... | 03/29/1988 |
| 4731915 | Machinery support and method A structural mounting for a heavy machinery with rotating parts being supported between a foundation surface and the heavy machinery is disclosed which includes an impermeable foundation surface supporting spaced apart columns of epoxy or similar grouting... | 03/22/1988 |
| 4731914 | Method for manufacturing an electrohydraulic valve assembly Method for manufacturing a electrohydraulic valve, a solenoid operated valve assembly, formed of a ferromagnetic end stop section and body section, an orifice section and a sleeve section of low magnetically permeable material. The sleeve section has an i... | 03/22/1988 |
| 4730380 | Method of forming a curved window assembly A window frame assembly for curved windows comprises a rigid frame member having a curved profile, a flexible frame member, and a plurality of individual window frame core blocks. The blocks are secured serially to the flexible frame member. The blocks an... | 03/15/1988 |
| 4730375 | Method for the assembly of a scroll-type apparatus A scroll-type apparatus having an improved radial seal and a method for the assembly thereof is disclosed. The spiral wrap of a moving scroll and a stationary scroll are provided with gap adjusting means for providing a gap of a desired size between the t... | 03/15/1988 |
| 4730377 | Method for making a duct heater A duct heater includes end brackets by frame bars. The end brackets are formed into a geometric shape whereby only corners of the bracket engage an inner suface of the duct. Assembly is facilitated by providing the end bracket as thin, flat strips having ... | 03/15/1988 |
| 4729154 | Method of making and operating a very high speed marginally lubricated ball thrust bearing A ball thrust antifriction bearing for operation at very high speed in the DN number range from 5×105 to 2×106 and higher while only marginally lubricated by a mist of liquid having comparatively poor lubricating qualities which is... | 03/08/1988 |
| 4727637 | Computer aided connector assembly method and apparatus A contact which is attached to a wire is fitted in a hole of a connector by first identifying the wire to which the contact is attached. The location of the hole that is to receive the contact is determined automatically from an electronic data lookup tab... | 03/01/1988 |
| 4728280 | Chimney lining slip form An apparatus for lining chimney pipes and the like with cementitious material, and particularly to the improvement in pipe lining apparatus including a conically shaped leading nose providing control switches activated by a nose cap freely positioned ther... | 03/01/1988 |
| 4726100 | Method of manufacturing a rotary scroll machine with radial clearance control A scroll compressor can be provided with different wrap thicknesses to compensate for the different material properties of the orbiting and fixed scroll elements. The concept of different wrap thicknesses also aids in the select-fitting of parts and in th... | 02/23/1988 |
| 4726101 | Turbine vane nozzle reclassification A gas turbine vane (1) is subject to distortion and wear during operation or repair which results in an increase in the spacing between successive vanes (6 and 7) which define nozzle gas flow areas (8 and 9). During refurbishment, the nozzle spacing must ... | 02/23/1988 |
| 4726105 | Method for producing a metallic substrate used for automobile exhaust gas purifying device A method for producing a metallic substrate used for an automobile exhaust gas purifying device, which comprises the steps of: preparing a heat-resisting steel member having a length and capable of containing therein other members; densely filling the hea... | 02/23/1988 |
| 4726104 | Methods for weld repairing hollow, air cooled turbine blades and vanes A mask particularly useful in the weld repair of air cooled gas turbine blades and vanes contains a mixture of ceramic particles in a liquid carrier. The mask is applied onto the surface of the blade or vane, and into the cooling holes. Following a sinter... | 02/23/1988 |
| 4724819 | Cylinder liner reconditioning process and cylinder liner produced thereby The present invention relates to an apparatus and a method for finishing engine cylinder walls and reconditioning used engine cylinders. The invention also provides engine cylinders having a multilayer coating of a base layer, a steel layer and a layer of... | 02/16/1988 |
| 4724608 | Extractor tool for bearings, bushings and the like A puller for spherical bushings comprises an inner puller body having a cylindrical outer surface so that it can be inserted into the bore of the bushing with a lip at one end for engaging behind the bushing. A wedge member actuated by an elongate bolt fo... | 02/16/1988 |
| 4723356 | Weighty object mounting systems A weighty object mounting system comprises tact-transporting means for transporting a transportable object so as to have the same stop temporarily at each working stations, position detecting means for detecting a stop position of the transportable object... | 02/09/1988 |
| 4723357 | Buttoning apparatus with optical attaching-position indicator A marking light, or an attaching-position indicator, for a buttoning apparatus to indicate the position where each button member is to be attached in place, comprises a slender optical pointer member, engaging means secured to the rear end of the optical ... | 02/09/1988 |
| 4722126 | Method and apparatus for the manufacture of a single-rotation machine having an internal axis The engagement parts of the external rotor of a single-rotation machine having an internal axis with sealing between its rotors and with respect to the machine casing by sealing gaps, are manufactured as single parts and following reciprocal alignment are... | 02/02/1988 |
| 4722124 | Method of manufacturing the writing tip of a ball point pen A method of manufacturing the writing tip of a ball point pen which has the steps of inwardly pressing the end of a fine metallic tube at the entire periphery to form a drawn portion, drawing the inner wall of the drawn portion to form a ball holding port... | 02/02/1988 |
| 4720900 | Method of installing a fuel pump An existing bolt on certain V-8 engines near and laterally inwardly of the engine fuel pump is aligned with the fuel pump push rod driven by the engine cam shaft. When installing a new fuel pump, the existing bolt is removed and a push rod holding screw o... | 01/26/1988 |
| 4720901 | Method of positioning an aircraft jet engine noise suppressor in a convergent jet engine nozzle A combination convergent jet engine aircraft nozzle (86, 142, 146) and a ventilation tube (88, 136, 144) are fixed in place and have no moving parts. Ambient air is entrained through duct inlets (96, 140, 154, 160), through the nozzle walls, through hollo... | 01/26/1988 |
| 4720899 | Method of manufacturing scroll members for use in a rotary compressor A method of manufacturing a scroll member for use in a rotary compressor has the steps of heating a material which has been preformed into a substantially frusta-conical body consisting of a flat upper surface portion provided with a cylindrical projectio... | 01/26/1988 |
| 4721456 | Combustion element for a radiant energy burner and method of making same An improved combustion element for a radiant energy burner. The element comprises a generally cylindrical metal screen having its outer end closed off by an end closure, while the inner end is connected to a source of gaseous fuel. Strands of ceramic mate... | 01/26/1988 |
| 4719680 | Method for manufacturing a wound metallic exhaust gas catalyst carrier body having a geometrically complex cross-sectional shape A method of producing a metallic exhaust gas catalyst carrier body includes winding alternating layers of smooth and corrugated sheetmetal strips to form a blank and inserting the blank into a jacket tube, each winding of the blank being formed of a respe... | 01/19/1988 |
| 4719681 | Method of making a fluid flow controlling slide member for a valve body A valve assembly and the manner of making the same of the character which embodies a hollow cylindrical body having fluid inlet and outlet ports and a slide member, or spool, slidable within the body to control fluid flow through the valve. Sealing elemen... | 01/19/1988 |