Matches 1 - 45 out of 45


Match Document Document Title
US20130019690 TEST APPARATUS FOR A THREADED JOINT FOR OIL COUNTRY TUBULAR GOODS  
An apparatus 1 for evaluating the performance of a threaded joint for oil country tubular goods using a first steel pipe P1 and a second steel pipe P2 has a base 2 which holds a first steel pipe...
US20140069201 QUALITY MANAGEMENT METHOD, QUALITY MANAGEMENT GAUGE, AND QUALITY MANAGEMENT GAUGE SET FOR SCREW COMPONENT  
A management torque value smaller than a specified torque value is defined beforehand, and a screw ring-form, plug management gauge (11), which is capable of being screwed with plug (3), is...
US20100050778 Monitoring Fastener Preload  
The health of a structural joint clamped by fasteners is monitored by directly measuring the preload of the fasteners. The preload is measured by a transducer on the fastener and electronically...
US20120227507 INSTRUMENTED COUPLER LOAD CELL FOR ROCK ANCHORS  
A load-measuring coupling device for rock anchors comprises a body having a threaded section for receiving a bearing plate and a nut, and a hollow section having a threaded hole to allow a...
US20140373636 SYNCHRONOUS PRE-TENSIONABLE SENSING SCREW WITH FIBER BRAGG GRATING DEVICES  
An apparatus includes a sensing screw capable of providing synchronous both pre-drawing of fiber Bragg grating and pre-tightening of bolt with induced characteristics to detect feedback control of...
US20060117861 Material tester  
A material tester using a connection structure is provided. A shaft carved with a male thread on a root of the shaft is formed with a fixture, and a lock nut is screwed against the male thread. A...
US20080115589 WIRELESS-ENABLED TIGHTENING SYSTEM FOR FASTENERS AND A METHOD OF OPERATING THE SAME  
A wireless-enabled tightening system for fasteners is disclosed. The system includes a visual designator configured to project an indicator onto a workpiece. The system also includes a torque...
US20140190267 FASTENER TENSION MONITORING SYSTEM  
The fastener tension monitoring system provides for automatic notification when a structural tensile fastener, such as a bolt, is loosened. The system incorporates piezoelectric material in the...
US20130255392 Tension Monitoring Apparatus  
A tension monitoring assembly or device permanently installed between a connection or anchor point and a guy cable line or structural rod allows constant monitoring and increase confidence that...
US20070204699 Remote strain measurement  
Briefly, in accordance with one or more embodiments, a sensor assembly may measure in a mechanical device and communicate an indication of the measured to a remote device via a wireless link.
US20130139604 BOLT TENSION MONITORING SYSTEM  
The bolt tension monitoring system provides remote monitoring of the tension of a bolt, thus allowing for remote monitoring of general structural health and integrity of the fastener. The bolt...
US20080095595 Axial Force Control Nut Assembly  
An axial force control nut assembly 10 includes a seat member 11, a fastening nut 12 rotatable relative to the seat member and a ring assembly 13 disposed between the seat member and the fastening...
US20090173161 Probe for fastener identification and ultrasonic load measurement  
A system is provided for both reading an optical identification mark, such as a bar code, on a fastener and for making ultrasonic load measurements in the fastener using a single probe for use...
US20130068031 BOLT TENSION MONITORING SYSTEM  
The bolt tension monitoring system provides remote monitoring of the tension of a bolt, thus allowing for remote monitoring of general structural health and integrity of the fastener. The bolt...
US20050284231 Stress/extension-measuring sensor and method for measuring stress/expansion  
A stress/strain measuring sensor for the continuous monitoring of stress/strain conditions, especially in screwed bolts, along with a corresponding measuring process is disclosed. An arrangement,...
US20070234818 Object having a layer of conducting material forming a sensing device  
An object comprising a body part having an electrically insulating outer surface part, and a first layer arranged on the outer surface part. The first layer is formed by one or more electrically...
US20050178205 Method and apparatus for measuring force applied to a fastening bolt  
A method and apparatus for measuring the force applied to a fastening bolt by: transmitting a cyclically-repeating energy wave through the fastening bolt; measuring the transit time of the...
US20110100131 IN-SITU SENSORS AND METHODS FOR MONITORING ENVIRONMENT ASSISTED CRACKING OF STRUCTURAL COMPONENTS  
Sensor assemblies, units and methods are provided to determine crack development of components of interest associated with a monitored structure. According to preferred embodiments, a sample...
US20130074605 MEASURING ARRANGEMENT SYSTEM FOR A UNIVERSAL PROCESS CONNECTION  
Provided is a measuring arrangement system operative for measuring a physical and/or chemical process variable of a process medium, which is held in a container, having a measuring device with a...
US20080041165 Compressive load sensor by capacitive measurement  
A thin, flat capacitive load sensor, such as of layered sandwich construction, having a variety of shapes, so as to provide a seal between two or more opposing surfaces. The load sensor includes a...
US20100054891 FASTENING APPARATUS AND SYSTEM FOR DETECTING AXIAL FORCE THEREOF  
A detecting system of a fastening apparatus that detects an axial force of the fastening apparatus including a bolt or a nut. The detecting system includes an axial force detector including a...
US20130298687 SENSOR ARRANGEMENT, FOR EXAMPLE, ON AN ANCHOR BOLT  
A sensor arrangement, for example, on an anchor bolt, including at least one sensor (10). At least one bypass element (20) with a dilatant material is arranged in the area of the sensor (10),...
US20100126279 Load indicating member with identifying element  
A load indicating member is provided with an identifying element which can be accessed and used to determine ultrasonic measurement parameters specific to the load indicating member to provide...
US20120198941 Thread clamping device including internal sensing and reporting  
The present device relates to a thread clamping device including a plurality of movable segments with threaded inner surfaces suitable for engaging a threaded rod and including a strain gauge...
US20150082896 AXIAL FORCE TESTING DEVICE FOR SPINDLES OF MACHINES  
An axial force testing device includes a spindle and a frame. Multiple mediate members are mounted to the spindle which is rotatable relative to the frame by the mediate members. A first fixing...
US20140338461 MATERIAL STRAIN MEASUREMENT METHOD BY MEANS OF LASER ABLATION  
A fastener strain measurement system employs a probe incorporating a laser emitter to provide a laser beam and an acoustic detection device. A system controller is configured to detect an acoustic...
US20140260652 THREADED MEMBER CAPABLE OF DETECTING TENSION  
A threaded member capable of detecting tension includes a sensor component. A receiving space is formed in the threaded member. The sensor component has a flexible member and a sensor. The sensor...
US20080087097 Strain Measuring Device And Fixing Method Of Strain Measuring  
In a tie bar strain measuring device, even if an elongation is generated in a belt for attachment, a strain gauge can be pressed against a tie bar continuously with a sufficient pressing force by...
US20120097490 Retaining Bolt  
A retaining bolt for attaching a brake caliper to a support is attached. The retaining bolt is hollow and includes a retaining element which is fixed on one side in a cavity of the retaining bolt,...
US20140283617 THREADED MEMBER CAPABLE OF DETECTING TENSION  
A threaded member has an axial direction. A thread is formed on the threaded member in the axial direction. At least one receiving recess is formed on a circumferential surface of the thread of...
US20110181393 Wireless Collection of Fastener Data  
Data is remotely collected from a plurality of fasteners in response to a query signal wirelessly transmitted by a reader. Each of the fasteners includes a sensor for measuring a parameter related...
US20110035088 System And Method For Detecting An Anomaly In A Hidden Layer Of A Multi-Layer Structure  
Systems and methods are provided for detecting an anomaly in a hidden portion of a first layer of a multi-layer structure. A monitoring element is provided on at least one exposed end of a...
US20090151466 FIXING ELEMENT AND INSPECTION SYSTEM THEREOF  
A fixing element and inspection system for examining the status of the fixing element are provided in the present invention. The fixing has a sensing material disposed therein for transforming the...
US20170167857 INTELLIGENT BOLT AND SYSTEM THEREFOR  
A bolt (100) which is deformed when subjected to strain includes a cavity (104), intelligence and means (105) for determining strain and to alert at specific values.
US20170138387 BOLT, NUT, AND STRAIN MEASUREMENT SYSTEM  
A head of a bolt includes a deformed portion that has a smaller thickness in an axial direction of a shank or a smaller value of Young's modulus than other portion of the head, and that is...
US20170023425 SYSTEM FOR APPLYING AN ULTRASONIC TRANSDUCER TO A FASTENER  
Low cost transducer bonding tooling and techniques are provided which can be used to duplicate the quality of factory manufactured load indicating members, and to allow transducers to be attached...
US20170022978 SYSTEM FOR REDUCING MAINTENANCE FREQUENCY FOR BOLTS AND NUTS OF WIND TURBINE  
A system for reducing maintenance frequency for bolts and nuts of a wind turbine comprises a plurality of fastening units, a PC data collector, a server and a terminal. The fastening unit has a...
US20160370268 FAILURE DETECTION SENSOR, FAILURE DETECTION SYSTEM, AND STRUCTURE  
Provided is a failure detection sensor which, when attached to structural members of various structures such as buildings can easily detect the risk of the failure of the structural members, and...
US20160299016 Bolt Sensor Assembly  
A bolt sensor assembly provides a body adapted for insertion into a hole in a component, the body having a first end and a second end, and a longitudinal axis extending therebetween. The first end...
US20160245709 PRESSURE SENSING DEVICE WITH CAVITY AND RELATED METHODS  
A pressure sensing device may include a body configured to distribute a load applied between first and second parts positioned one against the other, and a pressure sensor carried by the body. The...
US20160138986 A METHOD OF MEASURING ELONGATION OF A FASTENER WITH ULTRASOUND, PERFORMED BY A POWER TOOL, AND A POWER TOOL  
The invention relates to a method of measuring elongation of a fastener by means of minimum peak side lobe (MPS) coded ultrasonic signals, and a power tool configured to performing the method. MPS...
US20160033344 STRUCTURAL SHEAR LOAD SENSING PIN  
A shear load sensing pin comprising a pin housing having a longitudinal bore therethrough and a strain sensing element disposed in the bore and extending around a complete circumference of an...
US20150328757 PULL-OUT TESTER FOR A SETTING TOOL  
The invention relates to a pull-out tester (1) for a setting tool used for setting a setting bolt (3), comprising a retaining part (4) for holding the setting bolt (3), an elastic element (7), at...
US20150323402 FASTENER STRETCH MEASUREMENT FIXTURE  
Fixtures and methods are described herein to measure fastener stretch after fastener application. The measurement fixtures may include fastener contacting portions having contact plates that may...
US20150292996 BOLT TENSION GAUGING APPARATUS  
A bolt tension gauging apparatus is provided with a bolt assembly including a bolt having a top cavity on a head and a recess on a surface of a threaded shank, and a covering element fitted onto...

Matches 1 - 45 out of 45