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7628065 |
Method of measuring properties of interfacial adhesion
A method for measuring toughness of interfacial adhesion including applying a normal force with a probe to a surface of a coating joined to a major surface of a substrate, wherein the surface is...
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7628066 |
Apparatus and method for evaluating peel adhesion
An apparatus for evaluating the peel adhesion of a test specimen to a substrate. The apparatus includes a base plate having a surface for receiving the substrate; a substrate clamping plate for...
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7614293 |
Method of evaluating adhesion property, low-adhesion material, and mold for molding resin
A mold surface of an upper mold with which a fluid resin comes into contact has an oxide therein. The oxide contains a metal cation and an ion. Field strength is calculated based on a valence of...
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7594444 |
Test apparatus and method therewith
A test apparatus for testing a separation force between a housing ( 92 ) and a subsidiary element ( 94 ) of a portable electronic device ( 100 ). The housing defines a plurality of through holes....
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7549337 |
Method for inspecting peeling in adhesive joint
A method is disclosed wherein a portion of a sensor part of an optical fiber sensor is embedded in an adhesive between two joined members, and peeling in an adhesive joint of the two members is...
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7509876 |
Laser bond inspection using annular laser beam
Methods, systems, and apparatuses are provided for generation of focused stress waves that selectively apply tensile stress to local regions of a bonded article.
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7506542 |
Tack measuring device
A device for measuring the tack of materials, comprising a first cylinder ( 1 ) included in a fixed frame ( 2 ) and a second cylinder ( 3 ) included in a movable yoke ( 4 ), whose outer surfaces...
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7497115 |
Quality control process for a structural bonded joint
The invention relates to a quality control process for an adhesive joint of two sub-components of a structure comprising the following steps: a) Providing the structure of composite material to be...
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7472602 |
Determination of elastomer material properties for the Mullins effect using a bi-axial test device
Systems and methods for determining material properties of elastomers for the Mullins effect are described. In one aspect of the present invention, material properties of an elastomer membrane...
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7448279 |
Device for testing material properties with regard to combined tensile and shear loads, in particular for testing adhesives
A device for testing material properties with regard to combined tensile and shear loads, in particular for testing adhesives, includes a device for applying the force, a measuring device, a test...
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7426855 |
Method and apparatus for testing the adhesive strength of overlays of plain bearing bushings
A method and an apparatus for testing the adhesive strength of overlays attached to the inside of plain bearing bushings. The method is characterized in specifying clearance between the plain...
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7426856 |
Device and method for measuring adhesion strength between two optical elements
A device for measuring adhesion strength between a first optical element and a second optical element includes a force gauge, a first magnet, and a second magnet. The second magnet is fixed to the...
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7409848 |
Apparatus and method for bulge testing an article
An apparatus ( 10 ) for bulge testing an article ( 12 ) comprises a pressure vessel ( 14 ) arranged to define a chamber ( 15 ), the pressure vessel ( 14 ) has a first aperture ( 28 ) and a second...
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7392708 |
Apparatus and method of measuring shear strain of thick adhesive bondlines
A method an apparatus for testing shear strain response of a test specimen having a thick adhesive bond line is disclosed. Method and apparatus permit the use of readily available clip-on...
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7389698 |
Nutplate bond strength tester unit
A bond strength tester unit is provided for testing adhesive bond strength of a nutplate or the like attached to a substrate, such as by adhesive bonded attachment to a blind side of the substrate...
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7287419 |
Method of measuring interfacial adhesion properties of stents
A method for measuring toughness of interfacial adhesion including applying a normal force with a probe to a surface of a coating joined to a major surface of a substrate of a medical stent,...
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7287420 |
Method of measuring properties of interfacial adhesion of medical device coatings
A method for measuring toughness of interfacial adhesion including applying a normal force with a probe to a surface of a coating joined to a major surface of a substrate of a medical device,...
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7179344 |
Method and apparatus for testing the quality of crimped seals
Crimped seals that are formed in overlapping portions of a packaging material are tested for quality. Initially, the packaging material is installed on first and second clamps. A portion of the...
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7083327 |
Method and apparatus for detecting kissing unbond defects
A active thermographic method for detecting subsurface defects in a specimen, particularly kissing unbond defects, includes heating a specimen, applying a force to the surface of the specimen to...
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7041960 |
Bond separation inspection method using compressive thermal strain in optical sensor part
A bond separation inspection method using an optical fiber sensor. The method includes a step of embedding a sensor part of an optical fiber sensor in an adhesive joining a plurality of members...
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7028555 |
Apparatus and method for testing tire liner surface adhesion capability
Apparatus and method for measuring adhesion capability in a tire liner, the apparatus including a film strip attaching to the tire liner and having a through opening and an attachment interface...
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6981408 |
Thin-film adhesion testing method and apparatus
A method of testing thin film adhesion includes placing the film at the focus of a cavitation-producing sound beam. Time required to achieve spot erosion provide a measure of adhesion strength. No...
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6981407 |
Atomic force microscopy measurements of contact resistance and current-dependent stiction
A modified atomic force microscope (AFM) is used to perform contact resistance and/or current-dependent stiction measurements for conductive thin films at controlled values of applied force. The...
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6862944 |
Non-destructive butt weld inspection method
A non-destructive plastic butt weld inspection method in which the weld bead 42 is removed from an exterior surface of a weld zone region 44 of a butt weld and the weld zone region 44 is...
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6832525 |
Method of testing peel strength between layers of a tubular laminate
A mandrel assembly is provided for testing the peel strength between an outer layer and an adjacent inner layer of a tubular laminate. The assembly includes a cylindrical mandrel rotatably mounted...
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6813958 |
Method for combinatorially measuring adhesion strength
A method of measuring the adhesive strength of polymer materials that are arranged in a combinatorial library which involves providing a lens array having a plurality of individual lens elements on...
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6814810 |
Apparatus for calibrating a dispensing system
The present invention is directed to methods and apparatus for accurately controlling the quantity of material dispensed from dispensing systems. In one aspect of the present invention, a...
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6802214 |
Envelope quality control apparatus
A unit for evaluating various properties of a paper envelope. The unit is capable of examining an envelope and determining key features of the envelope, such as the amount of front seal adhesive...
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6800156 |
Surface preparation indicators
The present invention relates to indicators of surface preparation and methods of making such indicators.
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6792812 |
Method and apparatus for layered structure breaking strength estimation
Method for layered structure breaking strength estimation in which an edge of a cutting blade is inserted into an upper layer of the structure and the cutting blade is moved substantially in...
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6765662 |
Surface analysis
A method and apparatus for estimating the adhesion properties of a surface of an article by holding the article so that the surface is facing downwards and placing a droplet of liquid against the...
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6604420 |
Nondestructive adhesion testing by ultrasonic cavitation
A method is provided for nondestructive adhesion testing of a coating on a component surface through ultrasonic cavitation. The disclosed method includes submerging a tip end of a vibratory horn in...
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6598466 |
Method for additive adhesion force particle analysis and apparatus thereof
A method including: sonicating a liquid suspension of first particles; and analyzing the liquid phase for second particles. An apparatus including: a sonicator adapted to sonicate a liquid...
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6584858 |
Device and method for measuring adhesive strength
First, a sample holder 13, 57 is lowered such that a sample is held. Next, a roller 11 or a plate-shaped member 56 is lowered and pressed to an adhesive surface 15 A of a sample 15. At...
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6539790 |
Stiction-based chuck for bulge tester and method of bulge testing
A bulge tester ( 20 ) for determining residual stresses, and mechanical, thermal and other properties of a thin film ( 26 ) of material. The bulge tester includes a chuck ( 22 ) that supports the...
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6513374 |
Apparatus to quantify the adhesion of film
A new apparatus is provided for the quantification of the adhesion of a film over a substrate. In particular, the peeling force and the rate of peeling are quantified by providing a first means for...
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6502455 |
Microscratch test indenter and method of microscratch testing
A method and an indenter for microscratch test of durability properties of the materials, including resistance of coating films to delamination. The blade-like indenter has a prism-like body...
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6499355 |
Elongation and cracking testing and optical characterization of small-size coatings and materials
This invention relates to methods for testing elongation and cracking of coating arrays. The method includes simultaneously applying an elongating force to each of a plurality of coatings, and...
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6478264 |
Peel test mandrel assembly and method
A mandrel assembly is provided for testing the peel strength between an outer layer and an adjacent inner layer of a tubular laminate. The assembly includes a cylindrical mandrel rotatably mounted...
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6428204 |
Method of making a coated optical fiber comprising measuring the delamination resistance of the coating at two different temperatures
Making a polymer-clad optical fiber comprising a step of determining at a plurality of temperatures the delamination resistance of the polymer coating from fiber. The delamination resistance at...
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6370948 |
Mini-tension tester
A compact tension testing apparatus for determining the peel strength of a circuit line or film bonded to a substrate. A force gauge is mounted on an apparatus using low friction air bearings to...
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6349588 |
System and method for performing bulge testing of films, coatings and/or layers
A system and corresponding method for bulge testing films (e.g. thin films, coatings, layers, etc.) is provided, as well as membrane structures for use in bulge testing and improved methods of...
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6339958 |
Adhesion strength testing using a depth-sensing indentation technique
A nanoindentation apparatus is used to measure adhesion strength of a hard, thin film to a soft substrate. A variably increasing load is applied to the indenter tip. The indenter tip penetrates...
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6318165 |
Device for measuring the stickiness of a flowable medium
A device is disclosed for measuring the stickiness of a flowable medium, in particular a printing ink, which is led as a layer between two surfaces that can be moved in the same direction, through...
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6289741 |
Molding device and method for measuring the bonding strength of elastomers
A novel device and method for the injection and molding of a body of elastomeric composition within a mold cavity, around a core member and against the prepared surface of a test substrate, such as...
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6282950 |
Method and apparatus for testing the bond strength of materials
A method and apparatus for testing the bond strength of materials such as a coating (101) on a substrate (100) wherein a stub (102) is placed on the coating (101) with a light curable adhesive...
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6216531 |
Testing tool adapter
An adapter for a testing too for use in the testing of shear strength of an adhesive as applied to a test specimen has a structure that permits it to be used on testing machines either in a tension...
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6178823 |
Apparatus and method for testing bond strength of electrical connection
An apparatus and method for testing angled strand connections in a miniature electrical device includes a test tool movable simultaneously along two mutually perpendicular axes and perpendicular to...
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6176141 |
Method for stud pull test for film formed on semiconductor device
A test sample with a film and an underlying substrate representing part of a semiconductor wafer is prepared for a stud pull test by a process that includes maintaining the sample in boiling salt...
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6050139 |
Devices and methods for testing tack uniformity of a coating on a substrate
Devices and methods are provided to characterize local, small-scale variations in tack build-up, e.g., by measuring tack over areas smaller than 20 mm 2 , preferably over areas smaller than 1 mm 2...
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