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4365516 |
Ultrasonic couplant gel compositions and method for employing same
Substantially non-pollutant and non-toxic water washable composition in the form of a gel for use in non-destructive ultrasonic inspection of surface and subsurface flaws and discontinuities in...
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4361035 |
Nonstaining leak tracer solution and method employing same
Combination of a nonionic oxyalkylated alcohol surfactant and an engine fuel, e.g. a 50--50 mixture, by volume, of such surfactant and an aircraft engine fuel such as JP-4 jet fuel, consisting...
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4351185 |
High temperature penetrant system
A method and composition for non-destructive testing using the dye penetrant technique, and adapting the use of this technique at high temperatures. The invention is involved with using a marking...
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4351184 |
Surface inspection equipment
The invention concerns the inspection of the corners of a square or rectangular metal billet. The inspection apparatus includes inspection probes (25) supported from a scanning head mounted between...
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4351029 |
Tool life monitoring and tracking apparatus
Net power consumed by one or more tools, continuously or intermittently is totalized and compared with a predetermined energy limit characterizing the life expectancy of a tool for optimum and safe...
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4345457 |
Method for detecting the depth of cracks in rolls used for transferring hot steel ingot bloom and rolls used therefor
A method which can readily and accurately detect the depth of cracks in the rolls for transferring hot steel ingot blooms is disclosed. In operation, a fluid of a desired pressure is fed into a...
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4332161 |
Acoustic detection of tool wear and fracture
For detecting brittle fracture and wear of a tip of a cutting tool an acoustic emission monitoring system has a converter for converting acoustic emission into an electric signal, a filter for...
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4331028 |
Method and apparatus for determining the sharpness of a saw chain
A rectangular container for a saw chain is provided with a transparent plastic lid and a foraminous bottom. Freshly sawn wood chips are placed in the container after which a movable slide is...
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4331027 |
Dual-purpose penetrant system
Method and composition for detecting flaws in a workpiece utilizing either white light or ultraviolet light wherein a penetrant solution is applied to the surface of the workpiece, the penetrant...
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4326257 |
Tool breakdown detecting system
A tool breakdown detecting system having at least one predicted standard pattern of change in the cutting resistance of a tool corresponding to a possible breakdown is prestored in a memory and...
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4316385 |
Fingerprinting crystals
A smooth surface of a diamond or cubic boron nitride crystal is bombarded with ions sufficiently to penetrate the surface and impart an ion implanted region in the crystal in a predetermined...
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4314474 |
Crack detection by vapor condensation
A novel method for nondestructively indicating the existence of micron-sized cracks, fissures, and other such faults on the surfaces of integrated circuit semiconductor packages and other test...
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4295362 |
Pentaerythritol in dry developers
A method and composition for detecting surface flaws in workpieces by means of the penetrant inspection process, the invention being concerned with an improved dry developer composition for use in...
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4280357 |
Inspection of electrically non-conductive workpieces
A method of inspecting wax patterns for use in the lost wax casting process comprises coating the pattern with aluminum by vapor diffusion and subsequently inspecting the coated pattern using...
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4269068 |
Ultrasonic couplant compositions and method for employing same
Biodegradable water washable composition in the form of a gel for use in non-destructive ultrasonic inspection of surface and subsurface flaws and discontinuities in bodies, and which is stable and...
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4260986 |
Tool wear detecting system for a numerically controlled machine tool
A numerically controlled machine tool controls the movement of a tool relative to a workpiece along a commanded path to cut the workpiece and to detect a load on the tool or workpiece. A specified...
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4232554 |
Thermal emission flaw detection method
A method of detecting very small structural flaws at loads below those which cause the flaws to propagate is disclosed. Certain phenomena and relationships of fracture mechanics are utilized in...
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4228514 |
Method and system for determining the wear of a drill bit in real time
A method and a system are disclosed for determining the wear of a drill bit in real time. At a predetermined point prior to engagement of the drill bit with the workpiece, a first rotational speed...
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4220995 |
Apparatus for detecting tip damages of a milling cutter
An apparatus for detecting tip damages of a milling cutter comprising a motor for driving the milling cutter, a vibration detector mounted on the milling cutter, a vibration increase calculating...
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4207567 |
Broken, chipped and worn tool detector
A method and apparatus for monitoring tool wear and breakage as a function of the electrical power dissipated by a machine tool which is carrying out subsequent cuts for removing stock. Optimal...
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4204978 |
Tooth crack detector
A composition for detecting normally invisible cracks and splits in teeth, both in situ or in vitro. A detector solution contains a dye adapted to selectively stain such cracks and splits,...
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4198362 |
Method and apparatus for molding and replicating minute surface characteristics
A method and apparatus for reproducing in minute detail a surface underwater. The apparatus consists of a layer of wax supported in a frame for movement into and out of contact with the surface to...
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4191048 |
Red-visible dye penetrant composition and method employing same
A liquid dye penetrant composition for use in non-destructive testing of objects to locate cracks and other defects or flaws therein, said composition comprising a liquid vehicle, preferably a...
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4178797 |
Sharpness testing machine
A machine for testing the sharpness of knives, particularly surgical knives, in which means is provided for grasping a cylindrical rod of material such as rubber or plastic so that a free end...
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4176205 |
Fingerprint powder and method of application
Fingerprint powder and method for developing latent fingerprints therewith, such powder comprised of a powder carrier, especially a mixture of silica and talc, containing a coloring agent,...
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4176396 |
Apparatus for directly measuring machine tool wear
A system for determining cutting-tool wear which utilizes a sensor for producing an output signal representing the cutting profile of the tool and a data processing system using microprocessor...
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4160375 |
Indicator compositions
A water washable, wash resistant biodegradable dye penetrant composition is described. It comprises one or more dyes and at least 70% of a substantially linear primary alcohol ethoxylate containing...
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4157490 |
X- And y-axis driver for rotating microspheres
Apparatus for precise control of the motion and position of microspheres for examination of their interior and/or exterior. The apparatus includes an x- and y-axis driver mechanism controlled, for...
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4147053 |
Wet crack test method for soap bars
A wet crack method of testing the performance of soap bars comprising the step of first shaving a face of the soap bar. Then, the soap bar is immersed in water, after which it is air dried. The...
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4144740 |
Testing apparatus and method for measuring cutting, chipping and abrasion resistance
A sample of the material to be tested is formed in a disc-shaped specimen and mounted on a spindle inserted in a mounting hole in the specimen. The spindle is rotated about a generally horizontal...
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4135386 |
Porous material crack detection
This invention provides a method for monitoring early formation of cracks in permeable or porous materials which comprises affixing a frangible fluid impermeable enclosure to the permeable or...
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4124484 |
Developer composition and process for penetrant inspection
Dry developer composition in powder form and process for using same in the inspection of metal surfaces for cracks and defects open to the surface by the penetrant process. The powder composition...
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4120196 |
Production tool wear detector
A production tool wear detector which provides a direct, non-contact measurement of the amount of material removed from a cutting tool due to wear during operation thereof. One or more sensing...
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4116634 |
Void, flaw, and crack indicator for epoxy bonds
A method for locating imperfections including voids, bubbles, cracks, and aws in cured epoxy resin articles. These imperfections which are too small to be readily seen with the naked eye, or that...
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4106332 |
Recording monitor for structure faults
A finger tip actuated structural crack monitor operation wherein a conductive array is adhered to a structure which is susceptible to development of cracks upon fatigue. An interrogation module is...
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4104906 |
Early crack detection with multi-pressure system
Early detection of cracks in nonpermeable, structural members subject to stress is effected before the cracks traverse the member by forming a plurality of cavities in the member or adjacent...
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4102176 |
Method and apparatus for measuring intensity of peening of small surfaces
The peening intensity test member is a factory assembled unit comprising a base structure having opposite faces and a test element secured to one of the faces of the base structure, the test...
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4090403 |
Apparatus for judging the useful life of tools
The apparatus comprises a drill power meter for producing an electric signal representing the drilling resistance of a workpiece, a filter for shaping the waveform of the electric signal, an...
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4090402 |
Slow-solubility inspection penetrant composition containing a solubility accelerator
An inspection penetrant process and composition therefor in which the penetrant is formulated from a low-solubility liquid, and a solubility accelerator material is added to the formulation to...
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4089213 |
Nonsurfactant remover composition for inspection penetrants
An improved inspection penetrant process employing a dyed liquid nonsurfactant-type penetrant, a remover, and a water rinse, in which the remover consists of a water solution of a...
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4087801 |
Apparatus for detecting damages of cutting tools
A detector for producing an output corresponding to the vibration of a cutting tool or a workpiece worked thereby, a signal processing circuit for obtaining the root mean square value of the output...
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4067751 |
Aqueous NaCl test solution for aluminum and its alloys
A corrosive solution, designed to accelerate the rupture of workpieces of aluminum and its alloys in stress-corrosion-cracking tests, contains sodium chloride, hydrogen peroxide and sodium acetate...
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4063893 |
Dye stabilized trisodium phosphate cleaning solution
A novel dye stablized cleaning solution of trisodium phosphate and a method of cleaning with said solution is provided by the disclosure. The novelty of said solution and method consists of forming...
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4054535 |
Variable sensitivity water washable dye penetrant
Variable sensitivity biodegradable water washable dye penetrant compositions for use in non-destructive dye penetrant inspection of parts, such compositions basically consisting essentially of an...
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4049568 |
Non-dripping heat resistant dye penetrant
Biodegradable water washable dye penetrant composition in the form of a gel for use in non-destructive dye penetrant inspection of parts, and which can be applied to part surfaces at varying angles...
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4037466 |
Method of regenerating a glycol-ether type inspection penetrant remover by solvent extraction
Water solutions of certain glycol-ether materials having resistance to extraction by halocarbon extraction solvents are used as solvent removers in an inspection penetrant process. Used solvent...
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4035641 |
Liquid oxygen compatible biodegradable dye penetrant compositions and method of dye
Liquid oxygen-compatible water washable substantially biodegradable dye penetrant composition having excellent sensitivity and high stability, for use in non-destructive dye penetrant inspection...
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4020682 |
Method of measuring mechanical damage to grain
Mechanical damage to grain is measured by taking a small sample of the grain and applying a solution of a substance which will selectively adhere only to the exposed surface of the interior of the...
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4013123 |
Hydraulically actuated wire line apparatus
A self-contained wire line inflatable packer useful to carry an impression sleeve into a well for making impressions of the well surface, the inflatable sleeve of the wire line packer being...
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4008606 |
Ship's bottom inspection apparatus
A ship's bottom inspection apparatus which includes a generally U-shaped mework which is adapted to be submerged for receiving the width of a ship therebetween. A series of cameras are mounted in a...
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