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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,...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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....
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...
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...
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...
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...
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...
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,...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
3548648 SONIC WORN CUTTING TOOL DETECTOR  
3546127 FLUORESCENT PENETRANT FOR AND METHOD OF DETECTING SURFACE DISCONTINUITIES  
3546130 FLAW DETECTION METHOD USING A STRIPPABLE ACRYLIC RESIN AEROSOL FIXER  
3543570 AQUEOUS BASE PENETRANT COMPOSITION AND METHOD  
3541846 STRAIN TESTING DEVICE  
3528284 METHOD FOR PURIFYING PENETRANT WASTE LIQUORS  
3523448 MEASUREMENT OF SURFACE CHARACTERISTICS  
3511086 NONDESTRUCTIVE TESTING WITH LIQUID CRYSTALS  
3509762 AUTOMATED SYSTEM FOR PROCESSING PARTS BY THE FLUORESCENT PENETRANT METHOD  
3499319 FATIGUE DETERMINATION BY RADIOACTIVE GAS  
3496766 METHOD FOR NON-DESTRUCTIVE DETERMINATION OF MECHANICAL PROPERTIES OF METAL CASTINGS  
3490873 METHOD AND COMPOSITION FOR INSPECTING SEMICONDUCTOR DEVICES  
3489703 QUICK-DRYING MARKING PAINT  
3461720 WATER WASHABLE PENETRANT  
3447366 PROCESS OF DETERMINING DIMENSIONS AND PROPERTIES OF CUTTING EDGES OF MOLECULAR DIMENSIONS  
3439525 NONDESTRUCTIVE TESTING METHOD USING LIQUID CRYSTALS  
3436959 METHOD AND PENETRANT FOR FLAW DETECTION  
3433062 INSPECTION METHOD AND MEANS  
3425950 DYE PENETRANT