Abstract: A power transmission device includes: a first pulley; a second pulley having a diameter equal to or larger than a diameter of the first pulley; a belt wound around the first pulley and the second pulley; and a detection unit configured to detect a displacement of the belt in a direction intersecting the surface of the belt. The detection unit is configured to detect the displacement of the belt at a predetermined measuring point. The distance from the border between a portion where the belt and the first pulley are in contact with each other and a portion where the belt and the first pulley are not in contact with each other, to the measuring point is equal to or smaller than the diameter of the first pulley.

Abstract: Provided is a microparticle measuring apparatus including a plurality of light detection sections that detects, at different positions, optical information emitted from microparticles flowing through a flow channel. The microparticle measuring apparatus further includes a detection timing control section that controls a detection timing of each light detection section, on the basis of a trigger signal detected at a first reference channel provided in a first light detection section, and an optical signal detected at a second reference channel provided in a second light detection section that detects optical information emitted from the microparticles, at a position different from a position of the first light detection section.

Abstract: A vibration processing apparatus (10) includes: an acquisition unit (110) that reads, from a vibration information storage unit (112), information needed for detecting an abnormality in a belt conveyor (20), the information being, for example, first detection data indicating a result of detecting a vibration at a first point of the belt conveyor (20), and second detection data indicating a result of detecting a vibration at a second point on a downstream side of the first point of the belt conveyor (20); and a determination unit (120) that determines that an abnormality occurs in the belt conveyor with a necessary condition or a necessary and sufficient condition that a result of comparing the first detection data and the second detection data satisfies a first reference.

Abstract: The present disclosure relates to a method for determining a conductivity value of a measurement medium using a conductivity sensor. The method includes providing a conductivity sensor with at least one transmitting unit, at least one receiving unit, and a control unit having a storage module, and transmitting a stimulation signal into the measurement medium at the transmitting unit by the control unit. The method also includes receiving a detection signal at the receiving unit, determining a signal quality indicator by the control unit based on the detection signal, and determining a conductivity signal corresponding to the detection signal. The method further includes storing the conductivity signal, determining a dynamic factor by the control unit based on the conductivity signal, filtering the conductivity signal using a filter function depending on the determined signal quality indicator and the dynamic factor, and outputting a filtered measured value of the filtered conductivity signal.

Abstract: The present disclosure relates to devices and methods for determining the density of insulation. For example, one aspect of the disclosure is a device that includes a sound generator and one or more sound sensors configured to detect sound that is generated by the sound generator and transmitted through the insulation to the one or more sound sensors. The device also includes a control system configured to cause the sound generator to generate the sound and use the sound detected by the one or more sound sensors to generate output that represents the density of the insulation. Another aspect of the disclosure is a method for using the device to determine the density of insulation.

Abstract: The invention relates to a method for determining the replacement state of wear of a rope made of a textile fibre material, wherein, in the course of using the rope, the elongation of the rope is monitored over its entire length and the rope is discarded if the elongation of the rope over the entire length exceeds a predetermined maximum value (%). The method according to the invention is characterized in that also the local elongation of a discrete rope section is monitored and the rope is discarded if the local elongation of the rope section exceeds a predetermined maximum value (%), with the maximum value of the local elongation of the rope section being greater than the maximum value of the elongation of the rope over the entire length.

Abstract: A method for testing the strength of a sheet-like element having two opposite faces and made of hard brittle material under tensile stress is provided. The method includes passing each of the faces of the element over a roller and thereby bending the element so that each of the faces is subjected to a first tensile stress in a portion in which the opposite face is in contact with a surface of the roller; exerting a second tensile force on the element in the direction of advancement so that both faces are subjected to the second tensile stress of at least 2 MPa so that the first and second tensile stresses add up to define a resultant tensile stress; and monitoring the element and determining whether the element has a defined breaking strength equal to the resultant tensile stress or whether the element breaks under the resultant tensile stress.

Abstract: Method and system for managing and controlling feeding of at least one thread to a textile machine as a function of the machine operating step in product production or thread processing, such production or processing providing for a succession of steps corresponding to obtaining product parts or treating thread. The thread fed to the machine by a feeder at constant tension and/or speed and/or controlled by a sensor which monitors sliding or inherent characteristic thereof such as tension, speed, diameter, quantity and color. The sensor and/or feeder controlled by a setting controller. The setting controller receiving synchronization signals from the machine and detecting—according to the latter—the operating steps and thus product or production status. The operation setting programmed as a function of operating steps. The machine generates a unique synchronization signal, for each operating step, independently from step length.

Abstract: A device for measuring a tire ground state includes a traveling surface, a tire drive unit, a measuring sheet, a protection sheet which covers the measuring sheet, and a backward and forward tensile force application mechanism. A space conducting the protection sheet to a portion below the traveling surface is formed in at least one of a delay side and an advance side of the measuring sheet in the tire forward traveling direction on the traveling surface. The backward and forward tensile force application mechanism has a roller which is arranged within the space, and is structured such as to pull at least one end of the protection sheet fixed to the roller in the tire forward traveling direction from the below of the traveling surface by rotating the roller.

Abstract: Method and device for assessing the physical state of a hair fiber by crossing a single hair fiber and comparing a physical attribute of each part of the same fiber.

Abstract: An apparatus for determining at least one dielectric property of a capacitor arrangement, and especially for capacitive examination of a moving elongated test subject such as yarn. It contains an alternating signal generator for applying an electric alternating signal to the capacitor arrangement. The capacitor arrangement is uncoupled from the alternating signal generator by means of an amplifier in such a way that it does not relevantly influence the basic frequency and the signal shape of the applied alternating signal. Detection means detect an electric measuring variable of an electric signal tapped from the capacitor arrangement. The alternating signal generator is set up in such a way that at least one of the basic frequency and the signal shape of the applied alternating signal can be changed.

Abstract: The invention relates to a method for monitoring the quality of a yarn on a textile machine, wherein the yarn passes a monitoring unit of the textile machine, with the aid of which at least one measured variable (M) which is dependent on a physical parameter of the yarn is determined, and wherein the measured variable (M), or a variable derived therefrom, is evaluated with respect to the position thereof with regard to at least one reference value (R). According to the invention, it is proposed that the selection of the reference value(s) (R) takes place taking into account one or more characteristic variables of the yarn, said characteristic variables being yarn-specific and defined prior to evaluating the measured variable (M). Furthermore, a textile machine is proposed which comprises at least one monitoring unit for monitoring at least one physical parameter of the yarn, and at least one controller which is operatively connected to the monitoring unit.

Abstract: Use for measuring temperatures of a coordination complex presenting formula I, wherein M1, M2, M3, M4, M5 are chosen, each independently of the others, in the group consisting of: CuI, AgI, AuI, PdII; n is equal to the sum of the oxidation states of M1, M2, M3, M4, M5 minus 3; II represents a respective portion of each tridentate ligand having the formula III in which R1 is chosen in the group consisting of: Ph, C1-C4 alkyl, halo-alkyl C1-C4 substituted phenyl; R2 is chosen in the group consisting of: Ph, C1-C4 alkyl, C1-C4 halo-alkyl-, substituted phenyl; R3 is chosen in the group consisting of: C1-C18 alkyl, benzyl, substituted benzyl, C1-C20 hydroxy-alkyl, C1-C20 alkoxy silane.

Abstract: A method for assessment of force properties generated by the fiber tip of one or more fibers, comprising the steps of: (a) providing a fiber sample of one or more fibers, the fiber sample having a free portion and an end; (b) suspending the fiber sample over a tactile sensor at least 0.

Abstract: A fiber testing instrument having a fiber loading station that is sized to accommodate a fiber sample within a desired size range, a fiber extraction device for extracting a portion of the fiber sample for a first battery of fiber tests, a fiber transport device for conveying at least the remaining portion of the fiber sample, and a micronaire chamber for receiving the conveyed fiber sample, where the micronaire chamber is sized to test any fiber sample within the desired size range.

Abstract: A dryer rack for use with an apparatus for drying an object inside a drum is disclosed, wherein the dryer rack includes a platform for having an upper surface for supporting the object. The platform may include at least one grip for loading and unloading the dryer rack into an interior space of the drum. The at least one grip is flush with the upper surface of the platform. The at least one grip is formed in a forward portion of the platform, to be near an access point of the drum.

Abstract: A dual-string tension dynamometer (1) utilizes two strings (10, 11) wrapped around approximately ninety degrees of a test wheel (12). The lateral forces (E, F) are balanced such that the total lateral force net value is zero. The results reflect purely torsional loading.

Abstract: A dual-string tension dynamometer (1) utilizes two strings (10, 11) wrapped around approximately ninety degrees of a test wheel (12). The lateral forces (E, F) are balanced such that the total lateral force net value is zero. The results reflect purely torsional loading.

Abstract: The invention provides a tensile tester, for characterising the extension properties of a fabric, comprising: a plurality of dual-mode fabric-engaging units located at a plurality of points. The fabric-engaging units are operable in a first fabric-gripping mode to releasably grip a fabric to be tested, and in a second fabric-tensioning mode to impart tension to a fabric to be tested, between gripped points, by displacing the fabric. The tester also has force measurement means to measure the tension so imparted and displacement measuring means to measure the displacement of the fabric. The fabric-engaging units are arranged and controlled so as to measure displacement-force characteristics along two or more axes of the fabric to be tested. Embodiments of the invention allow for determination of stretch characteristics in the Course, Wale, and two Bias directions of a fabric, as well as the characterisation of tension decay.

Abstract: This invention relates to a textile machine that produces cross-wound bobbins, comprising a device, which is arranged on an operating unit and which serves to test the quality of a yarn or yarn piecings produced at one of the spinning locations of the textile machine. The operating unit has a tensile testing device as well as a device for transferring a yarn to the tensile testing device. The invention provides that the tensile testing device (15) has a measuring section (19) of a predetermined length. Yarn clamps (20, 21) are placed at the end of the measuring section (19). The first yarn clamps (20) is displaceably mounted and can be acted upon in a defined manner by a drive (22). A sensor device (23) is placed in the area of the measuring section (19). Both the drive (22) as well as the sensor device (23) are connected to a control device (25).

Abstract: Disclosed are a method and a device for optically monitoring a running natural fiber strand. According to the invention, a light signal is sent onto the fiber strand and is emitted once again at a different point of the fiber strand surface, is received by a detector, and is evaluated so as to determine a foreign matter, thereby allowing light-guiding foreign matters to be distinguished from the non-light-guiding natural fibers.

Abstract: According to the method for characterizing fancy yarn, at least one characteristic of the fancy yarn is scanned along the longitudinal direction of the fancy yarn. Values of the scanning are evaluated and the results of the evaluation are outputted. The results of the evaluation are the fancy yarn parameters such as base yarn mass, base yarn diameter, slub distance, mass increase of a slub, slub diameter increase, slub diameter, slub length and/or slub total mass. On evaluation, a measurement curve is produced from the values of the scanning, and an area (A(x)) between the measurement curve and a previously determined base yarn mass is computed. A permanent increase in the course of the area (A(x)) is used as a criterion for the presence of a slub. Slubs may be differentiated from yarn imperfections in a reliable manner by way of the area (A(x)).

Abstract: A suture tester for evaluating fray resistance of surgical sutures. The suture tester comprises a reciprocating drive member, first, second, third and fourth pulleys, and a tensioning element. The pulleys each have a suture contact surface, which define a single plane. The third pulley is rotatable about this single plane. The first, second and third pulleys are all movable on the single plane. A suture is mounted in the suture tester such that one end is attached to the reciprocating drive member, it then passes to the first pulley, to the third pulley, to the second pulley and to the fourth pulley, before attaching to the tensioning element at the other end of the suture. The third pulley is then rotated and locked into place to form the desired number of suture wraps. The suture tester is started and causes the suture to rub against itself until it fails.

Abstract: According to some embodiments of the present invention, a system for determining characteristics of two rolls configured in a nip press includes a strip configured to be placed in the nip press. A plurality of sensors embedded in the strip is configured to generate signals representative of the pressure and/or the nip width between the two rolls. Interface circuitry facilitates addressing of individual ones of the plurality of sensors via a data processing system.

Abstract: A method of assessing damage of a fibrous substrate comprises the steps of: (a) providing said fibrous substrate having a length, a root end, and a tip end; (b) providing a means for assessing substrate moisture content; (c) using said means for assessing substrate moisture content to obtain at least a first measured moisture content value for said fibrous substrate at a first position along the length of said fibrous substrate and a second measured moisture content value for said fibrous substrate at a second position along the length of said fibrous substrate; (d) comparing said measured moisture content values with each other to obtain a measured moisture content differential; and (e) correlating said measured moisture content differential to a substrate damage value for said fibrous substrate.

Abstract: A process for measuring snarling properties of a yarn is provided. Firstly a first and a second point of the yarn are held in close proximity, and a portion of the yarn between the two points is of a predetermined length. A predetermined tension force is temporarily exerted to the portion of the yarn, and simultaneously the portion of the yarn is temporarily restricted from twisting when the tension force is exerted. Then the portion of the yarn is released from the tension force such that the portion of the yarn is able to twist freely so as to form snarls thereon. Thereafter, the snarling properties of the yarn are measured by detecting an amount of the snarls thereby formed.

Abstract: The present invention relates to a sensor apparatus configured to detect the presence of a gas, such as a tracer gas and a leak detection apparatus configured to detect the present of a tracer gas and indicate the location of a leak. The sensor apparatus includes multiple sensors, each of which is a metal halide sensor. The leak detection apparatus may further be configured to quantify the leak rate at the leak location.

Abstract: A system for making extensional measurements on a sample includes an armature, a motor drive shaft, a moveable cylinder, and a fixed cylinder. The motor drive shaft is attached to the armature. The moveable cylinder is mounted on the armature. The sample is stretched between the moveable cylinder and fixed cylinder by the rotation of the moveable cylinder around the axis of the fixed cylinder and rotation of the moveable cylinder about its own axis. The resistance of the sample produces a torque on the moveable cylinder and the fixed cylinder. The torque is measured on the moveable cylinder or on a transducer shaft attached to the fixed cylinder. The system is adaptable to a commercial rotational rheometer.

Abstract: The invention relates to a yarn processing system, comprising a yarn feeder (F), a textile machine (M), at least one controlled yarn brake (B) and a tensiometer, which senses the yarn downstream of said yarn brake, for at least measuring the yarn tension (g). According to said invention, the tensiometer (T) is permanently arranged within the yarn path, can be adjusted between a passive position (I) and at least one deflection position (II, III) and can be readjusted from said detection position (II, III) to the passive position (I) after a number of weft cycles, which number suffices to represent at least the proper adjustment of a yarn tension target profile.

Abstract: A yarn sensor (25) for monitoring at least one parameter of a traveling yarn (17), e.g., in spinning and bobbin-winding machines, has a measuring gap (16) and a housing made of a non-conductive plastic material for containing electronic components. The housing surface is covered by a metallic coating such that the electronic components are surrounded by the coating (21). At least a portion of the surface inside the measuring gap (16) is free of the coating (21). The metallic coating is connected with a heat conductor to remove heat via the metallic coating (21). Undesirable effects on the measurement results can be substantially reduced, and the quality of the measurement results can be increased.

Abstract: The device for detecting breakage of leno threads in leno selvedge devices on looms, the leno selvedge forming device being provided with at least two arms for guiding at least two leno threads, the leno threads being twistable together by virtue of the rotation of the arms, the device (12, 13, 14, 14a) for detecting thread breakage being provided with a facility (13, 14) for determining the natural oscillations of the arms (12) and a loom, more specifically with heald frames, with at least one leno device which is reversible in its direction of rotation and with a facility for detecting breakage of the leno threads, the device for detecting thread breakage being arranged in the front shed (V), more specifically between the leno device (10) and the heald frames (20).

Abstract: To provide an evaluation of the remaining life (level of insulation degradation) of wire in an installation, a kit-based approach avoids the need for technical personnel to visit a customer location. The kit includes equipment and instructions for selecting specimens for removal, capturing pre-removal information, removing the specimens, and sending the specimens for evaluation. A round form padded with protective material simplifies packing of the specimens while avoiding customer damage to the specimens. Accelerated aging testing and comparison between results for specimens from zones particularly susceptible to aging and one or more reference specimens permits an evaluation of remaining wire life.

Abstract: A method and sheet-like sensor for measuring stress distribution including a grid of members which change in resistance when subjected to strain, the members intersecting at internal nodes and intersecting at boundary nodes at the periphery of the grid defining a plurality of legs. An analyzer is electrically connected only to the boundary nodes and configured to calculate any change in resistance in all of the legs based solely on the measured resistance of the legs between the boundary nodes.

Abstract: A dual-string tension dynamometer (1) utilizes two strings (10, 11) wrapped around approximately ninety degrees of a test wheel (12). The lateral forces (E, F) are balanced such that the total lateral force net value is zero. The results reflect purely torsional loading.

Abstract: A method and an apparatus for detecting foreign fibers in a moving textile material, in particular in moving threads, yarns or slivers, include providing a probe for picking up triboelectric signals from the moving textile material and comparing the output of the probe with a reference value to provide a signal representative of detection of a foreign fiber in the textile material. The apparatus may be used in a card, a drawing bench, a ring spinning machine, an air-jet spinning machine, an open-end spinning machine, a chemical spinning machine, a bobbin winding machine a doubling machine, a combing machine, a bobbin frame, a texturing machine or a loom.

Abstract: The present invention includes processes for making fibers, which processes include an extrusion step wherein molten polymers are extruded through an extrusion die, thereby forming at least one extruded filament; and an orientation step, wherein the filament is drawn to align the molecules of the filament, and wherein multivariate data analysis techniques are used to analyze data regarding various process variables and, optionally, process variables are adjusted in response to the multivariate data analysis.

Abstract: An instrument is provided with several sensing elements to enable several parameters of a processed yarn to be measured or determined. In order to minimize the total sensing element/guide contact with the yarn within the complete process threadline, the yarn is guided through the instrument by contact only with the inlet and outlet guiding elements of the instrument and contact operative sensing elements. One particular instrument consists, in succession, of an interlace sensing device, a tension sensing device and an oil content sensing device. The electrical resistance of the yarn is measured between two pins of the oil content sensing device and in this case, the first pin is also a tension sensing pin of the instrument, and the second pin of the oil content sensing device is also the outlet guide of the instrument.

Abstract: An extensional rheometer comprises a drive shaft connected to an armature, wherein the armature is further connected to a torque shaft, and two rotatable drums are mounted in the armature. One end of a sample is connected to each drum, and the drums are rotated, stretching the sample until the sample breaks. The torque in the apparatus caused by the stretching of the sample is measured. Environmental control may be provided for testing samples under different conditions.

Abstract: In a fiber splicing device, an adjustment apparatus for moving a first fiber-section perpendicular to its end face is designed such that it is composed of at least one piezo-actuator and a drive. After the splicing of the two fiber ends, the piezo-actuator is charged to a preset electrical voltage and the electrical voltage at the piezo-actuator is subsequently measured while the first carriage is moved away perpendicular to the fiber end face and is compared to the preset values. As a result thereof, the tensile stress acting on the fiber can be identified dependent on the movement of the first carriage, so that the drive can be arrested after a preset tensile testing stress has been reached.

Abstract: The invention relates to a process and a device for monitoring the quality of a strip (37, 44, 50) made of textile fibres which is moved in its longitudinal direction. In order to create a device and a process which allow flaws in a strip to be dealt with in a targeted manner and which facilitate the production of a strip which is as free as possible of variations in the cross-section or mass, variations in the mass of the strip are to be continuously detected and converted into an electrical signal. This signal should also be compared with a plurality of predetermined limiting values, limiting values for variations transverse to the longitudinal direction being provided and limiting values for variations in the longitudinal direction of the strip being provided.

Abstract: An apparatus for testing the fatigue of a sample of cord or filament (12) by bending it over a fixed surface (19). The apparatus comprises a tensioner (14), a fixed bending surface (19) and a driving mechanism (24), whereby the driving mechanism (24) causes a non-twisting bending of cord or filament (12) over bending surface (19) while tensioner (14) maintains a constant tension on cord or filament (12). In a method of the invention, a cord or filament (12) is attached to a tensioner (14), the cord or filament (12) is mounted on fixed bending surface (19) and attached to non-stationary roller (20), and driving mechanism (24) is activated to cause a back and forth movement of roller (20), thereby causing filament or cord (12) to bend back and forth over fixed bending surface (19) until it breaks.

Abstract: A yarn sensor (25) for monitoring at least one parameter of a traveling yarn (17), e.g., in spinning and bobbin-winding machines, has a measuring gap (16) and a housing made of a non-conductive plastic material for containing electronic components. The housing surface is covered by a metallic coating such that the electronic components are surrounded by the coating (21). At least a portion of the surface inside the measuring gap (16) is free of the coating (21). The metallic coating is connected with a heat conductor to remove heat via the metallic coating (21). Undesirable effects on the measurement results can be substantially reduced, and the quality of the measurement results can be increased.

Abstract: A yarn breakage position detecting device and method of detecting a yarn breakage position involves a running yarn tension detector arranged at a reference position and that outputs a tension signal by which occurrence of yarn breakage is detected, and passage of the end of a broken yarn through the reference position is then calculated based on the time period from occurrence of yarn breakage to passage of the broken yarn end through the reference position. The yarn breakage time is stored as a time at which the tension signal becomes a peak value and/or a time at which the tension signal begins to decrease below a steady state tension value. The time when the yarn passes through the reference position is stored as a time at which the tension signal becomes lower than a lower limit value and/or a time at which natural oscillation begins.

Abstract: The invention relates to a method for assessing the effect of yarn defects on textile fabrics, which are to be produced from a given yarn, by simulating an image of the fabric. So that assessment of simulated textile fabrics may be carried out with greater reliability and more easily, a first image (51) of the fabric is generated by simulation based on parameters or measured signals of the given yarn. A second image (52) of the fabric is generated by simulation based on parameters of a reference yarn and finally the first image is compared with the second image.

Abstract: A take up apparatus 10 for drawn optical fiber comprises: a take-up stand 22 supporting a first, storage bobbin 12 about a first axis 20; a motor 32 for rotating this first bobbin about that axis; a supporting means 36 supporting a second, sampler bobbin 14 about a second, different axis 34; a second motor 38 for rotating this second bobbin about the second axis; and means for controlling the relative rates of rotation provided by the motors. In use drawn fiber is guided about the first bobbin to the second bobbin and the bobbins are rotated to wind the fiber about the first bobbin and onto the second bobbin during initial drawing of the fiber. Subsequently the fiber between the bobbins is cut and the drawn fiber is wound onto the first bobbin.

Abstract: The invention relates to a measuring device for thread-like test samples (3), comprising a measuring slit (2) exhibiting measuring areas (6, 7) for measuring characteristics of a test sample which moves longitudinally, said measuring areas being associated to a measuring device. A coating (8) made of an abrasion-resistant material is applied over the whole measuring slit and its measuring areas (6, 7) in order to define more freely the dimensions of said measuring slit and especially to obtain a narrower measuring slit.

Abstract: A yarn having good entanglement and good quality, preferably a multifilament polyamide yarn, a method for making the yarn, and a woven fabric made from the yarn wherein the yarn comprises the following properties: the yarn length per defect is greater than or equal to about 3000 meters per defect; the maximum skip length is less than or equal to about 120 millimeters; the ratio between yarn length per defect to maximum skip length is greater than or equal to about 50; the entanglements per meter times the average entanglement strength is greater than or equal to about 120; and the yarn can be woven sizeless. The yarn of the invention is useful in the sizeless weaving of fabric used in air bags.

Abstract: Interlaced or twisted yarn is passed between an optical transmitter and receiver to produce an original signal which varies in response to the changes in dimension of the yarn. Such original signal is compared using cross-correlation with an expected signal as produced by an ideally processed yarn to produce a processed signal indicating by its value the degree of matching of the original signal with the expected signal. The amplitude of the processed signal is noted relative to a predetermined threshold value representing an acceptably processed yarn. The expected signal is devised by performing a frequency analysis on the original signal to establish a peak frequency which is used to determine the distance between nodes in an ideally processed yarn.

Abstract: The invention relates to a method and a device for evaluating the quality of a yarn (1). In order that further aspects of the quality of a yarn may be taken into consideration and explained by measured values so that the quality of a yarn is as a whole substantially detectable, measured values relating on the one hand to the yarn exposed to friction and on the other hand to the yarn not exposed to friction are to be derived from the yarn. Both measured values are used to form a further measured value which represents a further qualitative feature.

Abstract: The invention relates to a device for measuring properties of a longitudinally moved test material in a measuring cell. In order to provide a device which is easier to adapt to the requirements of a customer and to the special conditions of a production machine for longitudinally moved test material, the measuring cell (1) is connected to a processor (6), which is associated exclusively with the measuring cell.