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3785199 |
DYE PENETRANT INSPECTION PROCESS
Viscous compositions of gel-like consistency are disclosed for removing excess dye penetrant from parts subjected to liquid dye penetrant inspection. The compositions comprise a cleaner, a carrier,...
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3770957 |
METHOD AND MEANS OF SELECTIVE REMOVAL OF BACKGROUND INDICATIONS IN STABILIZED WATER-WASHABLE INSPECTION PENETRANT PROCESSES
An improvement in the water-washable inspection penetrant process wherein a "stabilized" background-producing water-washable inspection penetrant is employed and the water-wash step is modified to...
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3762216 |
AUTOMATED LIQUID PENETRANT INSPECTION SYSTEM
A system of in situ inspection of critical jet engine parts for defects by applying a high penetrating fluorescent oil and inspecting under a light of the proper wavelength. The system which is...
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3757569 |
FLAW OR CHIP DETECTOR
An arrangement is disclosed which detects flaws such as burrs, nicks, and/or chips by measuring the extent of deviations of the surface inspected by means of a displaceable gaging head traversed...
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3751970 |
INSPECTION PENETRANT PROCESS AND COMPOSITION FOR AIDING REMOVAL OF EXCESS PENETRANT FROM TEST PART SURFACES
Oil and/or water compatible gel or emulsion forming compositions are disclosed for use in treating test parts in an inspection penetrant process. Following treatment of test parts such as, for...
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3733893 |
SURFACE CHARACTERIZATION
An apparatus for characterizing a surface, such as on a semiconductor wafer, includes a heater for establishing controlled temperature conditions, a nitrogen input, and a desiccant for establishing...
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3728621 |
APPARATUS FOR MEASURING THE WEAR OF CUTTING EDGES OF CUTTING TOOLS
Method and apparatus for measuring a clearance face wear of cutting tools during the cutting action of a cutting tool on a workpiece comprising a first electrical circuit for feeding electric...
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3714822 |
PROCESS FOR MEASURING WEAR ON A DRILLING TOOL
The wear on a drilling tool is measured by picking up certain vibrations produced by rotating said tool, which vibrations have a component indicative of the extent to which the tool has worn. The...
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3699821 |
DETERMINATION OF VOIDS TO SOLIDS RATIO IN POROUS MATERIALS
An etchable surface on which a pattern representing solids and voids is etched to remove a portion of the surface which, in respect to the weight of the total etchable surface, represents the...
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3696665 |
CONTACT ANGLE MEASUREMENT OF PLASTIC SURFACES
A non-destructive test is provided for determining the ability of a metal coating to adhere to the plastic substrate of a metallized plastic article comprising determining the difference between...
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3694637 |
METHOD AND APPARATUS FOR DETECTING TOOL WEAR
A method and apparatus for monitoring tool wear as a function of change in a power-frequency distribution obtained by Fourier analysis of a vibrational characteristic of the tool during use....
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3690157 |
METHOD AND APPARATUS FOR HARDNESS TESTING
A practical method of shop testing for the presence of a superficial hard case on metals consists of scratching the surface with an instrument made of a steel selected for its excellent heat...
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3690456 |
GLASS CONTAINER CRACK DETECTOR
Glass containers are inspected for cracks and similar defects by a machine which will rotate the container during inspection in a manner so that the finish will rotate true and will simultaneously...
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3662592 |
NON-DESTRUCTIVE TESTING DEVICE FOR THE DETECTION OF FLAWS IN SOLID ROCKET MOTORS
The outer surface of an inflatable bladder is coated with a sensitizing material to make it sensitive to pressure and/or temperature. The bladder is then introduced through the nozzle of a rocket...
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3656341 |
METHOD AND APPARATUS FOR TESTING RESILIENT OBJECTS FOR FLAWS
Flaws are located in the surface of a resilient material by moving a probe member across the surface and detecting variations in the position of the probe member which are caused by variations in...
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3652225 |
COLOR METHOD FOR DETECTING CRACKS IN METAL BODIES
A nondestructive color method for detecting cracks in a metal body by selective corrosion of the surface portion within the cracks. Specifically, a color-forming aqueous acid indicating solution...
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3652226 |
ANODIC INHIBITOR-COLOR METHOD FOR DETECTING CRACKS IN METAL BODIES
A nondestructive color method for detecting cracks in a metal body by selective corrosion of the surface portion within the cracks. Specifically, a color-forming electrolyte containing halide ions,...
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3652224 |
METHOD FOR DETECTING CRACKS IN METAL BODIES
A nondestructive method for detecting cracks in a metal body by selective corrosion of the surface portion within the cracks to enlarge them sufficiently so that they can then be detected by...
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3636759 |
PROCESS OF PENETRANT INSPECTION
Compositions and processes for providing a selective increase in wash-removability of surface penetrant and entrapments of penetrant in shallow surface discontinuities, as compared with penetrant...
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3612838 |
MEANS AND METHOD FOR THE CONTINUOUS NONDESTRUCTIVE TESTING OF METALLIC STRIP AND THE LIKE
Apparatus and procedures for accurately determining the quality of metallic strip or other essentially homogenous materials by multiplying direct current voltages which are the functions of (a) the...
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3607784 |
METHOD OF REMOVING EXCESS PENETRANT FROM THE SURFACE OF A WORKPIECE
A liquid remover composition for the removal of a film of excess liquid penetrant from the surface of a workpiece undergoing inspection for surface discontinuities. The remover composition is a...
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3607333 |
DEVELOPERS FOR INSPECTION PENETRANTS EMPLOYING FUSIBLE WAXES
A high-sensitivity, high-resolving power inspection penetrant developer in which the active developing ingredient is a waxy substance which is a solid or near-solid at room temperature, but which...
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3603142 |
METHOD OF DETECTING CRACKS AND MEASURING STRAIN IN POLYMERIC STRUCTURES
Strips of conductor-filled polymer are applied to the surface of polymeric structures in which it is desired to detect cracks and the conductivity of the applied strips is monitored. If a crack...
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3596506 |
TOOL FORCE MONITOR
A device for use during single point tool turning operations on lathes to monitor and limit tool force with additional utility as an adaptive control sensing mechanism. Four compressible load cells...
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3585853 |
METHOD OF REMOVING PENETRANT USED IN FLOW TESTING
An aerosol foam composition for removing excess of a dyed liquid penetrant, or penetrant residue, from a workpiece. The composition foams upon application to the surface and effects a superficial...
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3581559 |
METHOD AND APPARATUS FOR DETECTING FLAWS IN A SEAL
A method and apparatus for testing for flaws on the sealing surface of a seal made of elastic material. The testing is accomplished by passing a feeler over the sealing surface to detect the...
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3582214 |
TOOL ALIGNMENT APPARATUS AND METHOD
Apparatus and a method for use in aligning a cutting edge of a cutting tool wherein the tool is of the type having a pair of opposed, relatively convergent faces defining the cutting edge. The tool...
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3580066 |
METHOD FOR DETECTING EXPOSURE OF A BASE MATERIAL THROUGH AN OVERLYING COATING
The method for determining the completeness of etching of an oxide from a silicon semiconductor device discloses that bare silicon surfaces are hydrophobic while clean freshly etched oxide surfaces...
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3567932 |
FLUORESCENT TRACER PROCESSES EMPLOYING A FLUORESCENT EUROPIUM CHELATE
An inspection process and inspection tracer compositions which utilize fluorescent coordination compounds dissolved in liquid or resinous carriers. The fluorescent metal-organic coordination...
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3564249 |
REVERSE PENETRANT METHOD AND MEANS
In a liquid dye penetrant system, conventional daylight visible bleeding dye penetrant is initially applied to a test surface, and cleaned therefrom leaving residual dye penetrant within cracks and...
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3558882 |
WATER MISCIBLE PENETRANT REMOVER
A liquid composition for the removal of residual films of an oil-based colored penetrant, especially a fluorescent penetrant, from the surface of a workpiece undergoing tests for surface...
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3548648 |
SONIC WORN CUTTING TOOL DETECTOR
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3546127 |
FLUORESCENT PENETRANT FOR AND METHOD OF DETECTING SURFACE DISCONTINUITIES
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3546130 |
FLAW DETECTION METHOD USING A STRIPPABLE ACRYLIC RESIN AEROSOL FIXER
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3543570 |
AQUEOUS BASE PENETRANT COMPOSITION AND METHOD
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3541846 |
STRAIN TESTING DEVICE
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3528284 |
METHOD FOR PURIFYING PENETRANT WASTE LIQUORS
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3523448 |
MEASUREMENT OF SURFACE CHARACTERISTICS
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3511086 |
NONDESTRUCTIVE TESTING WITH LIQUID CRYSTALS
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3509762 |
AUTOMATED SYSTEM FOR PROCESSING PARTS BY THE FLUORESCENT PENETRANT METHOD
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3499319 |
FATIGUE DETERMINATION BY RADIOACTIVE GAS
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3496766 |
METHOD FOR NON-DESTRUCTIVE DETERMINATION OF MECHANICAL PROPERTIES OF METAL CASTINGS
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3490873 |
METHOD AND COMPOSITION FOR INSPECTING SEMICONDUCTOR DEVICES
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3489703 |
QUICK-DRYING MARKING PAINT
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3461720 |
WATER WASHABLE PENETRANT
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3447366 |
PROCESS OF DETERMINING DIMENSIONS AND PROPERTIES OF CUTTING EDGES OF MOLECULAR DIMENSIONS
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3439525 |
NONDESTRUCTIVE TESTING METHOD USING LIQUID CRYSTALS
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3436959 |
METHOD AND PENETRANT FOR FLAW DETECTION
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3433062 |
INSPECTION METHOD AND MEANS
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3425950 |
DYE PENETRANT
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