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| Number | Title | Issue Date |
| 7347153 | Thread supplying device of sewing machine A thread supplying device includes a rotator feeding a thread downstream of a thread supply path, the rotator winding a periphery thereof the thread several times and locating in the path extending from a thread supply part to a needle and loopers, a stepping motor ... | 03/25/2008 |
| 7322811 | Apparatus for spinning and winding multifilament yarns An apparatus for spinning and winding a plurality of synthetic filament yarns, and which includes a spinning device, a withdrawal godet downstream of the spinning device, and a takeup device which has a plurality of winding positions that are distributed along a lon... | 01/29/2008 |
| 7073399 | Yarn processing system 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). Accord... | 07/11/2006 |
| 6923023 | Methods and apparatuses for controlling optical fiber primary coating diameter Methods and apparatuses estimate and control optical fiber primary coating diameter for wet-on-wet optical fiber manufacturing. The primary coating diameter for a particular length of optical fiber is calculated based upon a measurement of the weight of primary and/... | 08/02/2005 |
| 6900728 | System to detect user entry into a defined danger zone A system and method for detecting user entry into a defined danger zone surrounding a saw blade includes a non-conducting member defining an opening therein for receiving a saw blade. The non-conducting member may comprise, for example, an insert received by an open... | 05/31/2005 |
| 6720873 | Method and apparatus for testing magnetic proximity detectors on ski lifts A device for testing a cable deroped magnetic proximity detector positioned adjacent a cable sheave or sheave assembly on a cable operated ski lift. A sleeve of non-ferromagnetic material is temporarily secured coaxially over the steel lift cable and the sleeve is d... | 04/13/2004 |
| 6708731 | Method for monitoring weft yarn run/stop conditions A method of monitoring the weft yarn run/stop conditions during each insertion cycle in a shuttle-less weaving machine like a rapier or projectile weaving machine by means of an electronic weft yarn feeler generating run output signals representing said weft yarn ru... | 03/23/2004 |
| 6653943 | Suspension rope wear detector A wear detector for a suspension rope having a plurality of load bearing strands covered by a sheath includes a sensor at a surface of the sheath. The sensor senses a characteristic of the rope representing a predetermined amount of wear of the sheath. Th... | 11/25/2003 |
| 6303938 | Method and device for detection of untextured yarn sections in textured filament yarns A method for detecting untextured or defectively textured yarn segments in textured filament yarns during the texturing process, in which the textured yarn is continuously measured by the measurement, conditioning and evaluation of high-frequency measurem... | 10/16/2001 |
| 6110403 | Method of producing a synthetic yarn A method of producing a synthetic yarn, wherein a yarn is spun and wound in a continuous process. For monitoring the quality, several process parameters are continuously measured. From measured data variations of the process parameters that occur within a... | 08/29/2000 |
| 6087934 | Velocity-discriminating cable motion transducer system A system for monitoring motion includes a cable-encoder combination to create an electrical signal indicating distance and a microprocessor monitoring system to provide time measurement in conjunction with distance information and to provide alarms whenev... | 07/11/2000 |
| 6014991 | Method of monitoring the function of a stop motion arrangement in an air jet loom In an air jet loom including a stop motion arrangement with first and second light beam sensor devices for detecting the presence of an inserted weft thread, the functionality of the sensor devices is continuously monitored. An inserted weft thread is exp... | 01/18/2000 |
| 5844494 | Method of diagnosing errors in the production process of a synthetic filament yarn Method of diagnosing failures in a production process of a synthetic filament yarn, in which a first process parameter dependent on the process control is continuously measured and evaluated, and in which as a function of the evaluation or course derived ... | 12/01/1998 |
| 5721533 | Cable deployment monitoring arrangement An arrangement for monitoring the deployment of cable from a cable supply includes reflective tape disposed on the exterior of the cable at longitudinally spaced locations. Light having a predetermined wavelength characteristic is directed toward the cabl... | 02/24/1998 |
| 5718854 | Detection of broken filaments Individual broken filaments in a running threadline, e.g., freshly-melt-spun filaments, may be detected and recorded by a novel piezoelectric film sensor device.... | 02/17/1998 |
| 5682146 | Method of monitoring an advancing yarn Method of monitoring the quality of an advancing yarn by continuously measuring the yarn tension, which includes determining the progression of the yarn tension upon occurrence of a defined failure (failure record), storing the failure record in a data me... | 10/28/1997 |
| 5525915 | Electrical conductivity tester for ropes A tester is provided for measuring the dielectric integrity of a rope, on a continuous basis. The device incorporates a pair of rope contact and retention members, that may comprise pair of spring-loaded clamps, adapted to make electrical contact with the... | 06/11/1996 |
| 5469149 | Method and apparatus for producing a wound package of an endless thermoplastic material A method and apparatus for continuously producing an endless thermoplastic material, such as yarn or tape, and winding the material into a package. A physical parameter of the package, such as its diameter or weight, is monitored, and a control signal is ... | 11/21/1995 |
| 5440870 | Method and apparatus of monitoring the quality of a false twist textured yarn A method and apparatus for monitoring the quality of the yarn processed on a false twist texturing machine is disclosed, and which includes sensing the tension of the advancing yarn at a location immediately downstream of the false twist unit, and determi... | 08/15/1995 |
| 5432502 | Method and apparatus for monitoring signals from transducers and optical encoders An apparatus and method for monitoring the incoming transducer signal or synchronizing signal from an optical encoder in real time and display the degree of stability. The incoming transducer signal or optical encoder signal comprises of a certain number ... | 07/11/1995 |
| 5424723 | Apparatus and methods for checking the presence of yarns on a textile machine The presence of yarns of a tentered yarn layer on a textile machine is checked by traversing a feeler transversely across a row of the threads to deflect the yarns. A pressure sensor of the feeler deflects each deflected yarn and generates a signal in res... | 06/13/1995 |
| 5365222 | Method and detector for detecting surface roughness or defects on coated wire or cable A method and detector are provided for accurately and continuously detecting surface roughness or oversize defects on coated wire or cable, such as magnet wire. This is achieved by passing the wire or cable through a die having an opening which is larger ... | 11/15/1994 |
| 5270951 | Method and apparatus for storing error signals A method of storing in a memory having a predetermined number of storage spaces signals representative of deviations in the tension continuously monitored in a plurality of strands of yarn running in a textile machine. The signals from the individual stra... | 12/14/1993 |
| 5212982 | Method and apparatus to check the acceptableness of the state of wear in the covering fabric of a driving belt A method and apparatus for carrying out the checking of the state of wear of a covering fabric in a driving belt (2) mounted on a plurality of pulleys (3, 4, 5) by measuring the electric resistance variations of the belt fabric. The apparatus provides tha... | 05/25/1993 |
| 5205327 | Electrostatic weft detector The weft break stop motion (1) detects without contact a potential displacement in the feeler (5a) effected by a weft thread moving past by means of a plate-like layered sensor element (2). With the feeler (5a) turned towards the weft thread insertion, th... | 04/27/1993 |
| 5164710 | Method of obtaining a thread running signal In a method of obtaining a thread tension signal a sensor in the form of a piezofoil is attached to a thread guide or to its mounting and delivers a signal which reflects, amongst other things, the oscillations induced in the thread guide by the thread mo... | 11/17/1992 |
| 5055829 | Method and apparatus for monitoring yarn tension In monitoring the yarn tension at each of a plurality of yarn processing stations, the mean value of the monitored tension is continuously determined at each station, and the differential between the monitored value and the mean value is also continuously... | 10/08/1991 |
| 5043708 | Apparatus for detecting single-yarn breakage in a two-for-one twister As yarn travels toward a take-up device after having passed a ballooning area, the travelling course thereof is bent through contact with a pressure sensor. An alarm device generates an alarm when the contact pressure of the yarn, which is monitored by th... | 08/27/1991 |
| 5019780 | Method and apparatus for monitoring optical fibers during payout The turns of an optical fiber paid out from a canistor are counted, and the signature of the optical fiber is measured, by monitoring the electromagnetic field of the charge on the optical fiber as it moves past an antenna. The optical fiber follows a hel... | 05/28/1991 |
| 5017911 | Method and apparatus for measuring the tension of an advancing yarn A method and apparatus measures the tension of an advancing yarn which is subject to interruptions of the yarn path, resulting for example from the severance of the yarn. During such interruptions, the zero setting of the tension sensor does not always re... | 05/21/1991 |
| 4951030 | Monitoring system A thread motion monitoring system wherein the presence or absence of thread motion for discrete threads is detected and signals developed in terms of the failure, non-thread motion, of selected numbers of threads.... | 08/21/1990 |
| 4924406 | Optical slub catcher, particularly suitable for openend process An optical slub catcher, particularly suitable for open-end process weaving machines, comprises a special optical head for the measurement of yarn diameter, the analog signal of which is cleaned of the disturbances due to ambient light. This analog signal... | 05/08/1990 |
| 4909027 | Multi-spindle textile machine monitoring process and apparatus Successive groups of thread paths in multi-spindle textile apparatus are equipped with individual monitoring systems. In each system, a joint monitoring element (S,E,L) is provided which has a bundle of rays (L). The latter is moved transversely to the th... | 03/20/1990 |
| 4888944 | Process and apparatus for production and quality control in multi-spindle textile machines A common monitoring system with a light beam is provided for a group of two or more production units arranged in a row. The beam passes through the thread balloon formed by the moving thread of each of these production units and is intermittently interrup... | 12/26/1989 |
| 4881062 | Yarn break detector for spinning and weaving machines A device for detecting break of any of a plurality of yarns arranged closely to each other in a spinning or weaving machine such as loom, knitting machine, warping machine, etc., includes sensor electrodes disposed in correspondence to the respective yarn... | 11/14/1989 |
| 4873511 | Device for forecasting breakage cables in an industrial robot An industrial robot and a device for forecasting breakage of cables, which is capable of predicting the time of breakage of cables provided between a control section and arm drive sections in the industrial robot. Sample wires whose life period is shorter... | 10/10/1989 |
| 4860558 | Monitoring circuit for a knitting machine A monitoring circuit for a knitting machine with at least one yarn feeding arrangement comprises two yarn monitoring devices which are provided with switches and connected via a first rectifier circuit and an indicating lamp to a supply line. The supply l... | 08/29/1989 |
| 4841784 | Method and apparatus for monitoring the tensile force on a thread A device for monitoring the tension on a thread comprises a frame for retaining the thread; a leaf spring on the frame for bearing against the thread and being displaced thereby as a function of such tension; a generator, such as a permanent magnet on the... | 06/27/1989 |
| 4827216 | Differential triple-coil tester for wire rope with periodic lay effect cancellation An electrical coil driven by an alternating current develops an alternating magnetic field. A segment of a wire-rope specimen is placed next to and on the axis of the coil, but perpendicular to the axis, so that the specimen lies in the field. Two sensor ... | 05/02/1989 |
| 4827090 | Device for monitoring yarn reserve on yarn spools A device for monitoring a yarn reserve on a stationary yarn spool from which the yarn is being pulled off, including a feeler applied to the end face of the yarn package and coupled to a swinging switching arm which cooperates with a switch. The feeler ca... | 05/02/1989 |
