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| Number | Title | Issue Date |
| 7299827 | Loom restarting method A loom restarting method restarts a loom stopped due to a loom stopping cause without entailing a “wavy set mark”. When a loom is stopped due to a loom stopping cause entailing faulty picking, the loom restarting method provides a loom stopping command, withhold... | 11/27/2007 |
| 6886604 | Apparatus at a weaving machine for the protection of persons An apparatus at a weaving machine serves for the protection of persons in danger regions which extend about a beat-up edge along a weaving width and beyond the latter. In this apparatus, monitoring means which emit and register light beams are arranged about the dan... | 05/03/2005 |
| 6186191 | Arrangement for monitoring functionality of flexible pressure hoses in a loom A fluid jet loom includes a source of pressurized fluid, a magnetic valve, and at least one nozzle, such as a weft insertion air jet nozzle, as well as at least one flexible pressure hose connecting and providing pressurized fluid from the magnetic valve ... | 02/13/2001 |
| 5520224 | Method and weaving machine for monitoring the fell position following weaving operation interuption The position of the fell of a cloth being woven on a weaving machine is sensed with a sensor needle that can be moved into and out of the cloth at a location proximate the fell during interruption of the weaving operation. Upon insertion of the sensor nee... | 05/28/1996 |
| 5082029 | Loom arrangement for fabrics sensitive to weaving stop marks A loom for fabrics which are sensitive to loom stopping marks, especially twill fabrics, has a disengagement lever (14) on an eccentric drive mechanism of the loom. The disengagement lever is operated by a controlled driving device, so that it causes all ... | 01/21/1992 |
| 5060161 | Method of controlling operating speed of a loom A method of controlling an operating speed of the loom for increasing the production rate by varying the present operating speed so as to be increased includes a step of estimating a stop rate at the final point of time during a predetermined period at a ... | 10/22/1991 |
| 5046534 | Weaving machine with main shaft lock A weaving machine of the type in which a main shaft is braked by an electromagnetic brake has, in addition to the brake, a lock for locking the main shaft against rotation. The lock includes a locking element which meshes into gear teeth of a wheel couple... | 09/10/1991 |
| 4986315 | Weaving machine with a synchronously or independently operable mechanical dobby A weaving installation includes a weaving machine and a dobby which can be driven by the weaving machine. In order for the weaving machine to drive the dobby, the weaving machine may be provided with a pulse generator for the transmission of pulses to a c... | 01/22/1991 |
| 4911207 | Method for monitoring warp breaks on weaving machines, and a device which uses this method A method for monitoring warp thread breaks on weaving machines includes the steps of locating broken warp threads and storing the number of broken warp threads in a memory as a function of the postions of the breaks.... | 03/27/1990 |
| 4805670 | Method and apparatus for detecting clinging warp threads in a weaving machine Method for detecting the presence or absence of warp threads clinging together, with the characteristic that it consists principally of a combination of: initiating a machine stop when a warp stop signal is received indicating that a contact has been made... | 02/21/1989 |
| 4787199 | Yarn monitoring device for a doubling machine A yarn monitoring device comprises in association with each doubling spindle (1) a sensing arm (7) monitoring the upwardly directed yarn run between yarn guide eye (3) and feed roller (V), which arm is mounted by means of a mounting bush (9) for limited s... | 11/29/1988 |
| 4781221 | Mispicked weft yarn removing method and system therefor A method of removing a mispicked weft yarn when a mispick occurs in a loom. The operation of the loom in a state where the mispicked weft yarn is connected to weft inserting means after the mispicked weft yarn is beaten up by a reed. The mispicked weft ya... | 11/01/1988 |
| 4724872 | Method for the control of a weaving loom and weaving loom for implementing such method A method of controlling a weaving machine which includes a shedding device with yarn guiding eyelets, an electronic control device for the shedding device, a warp let-off device and a fabric take-off device, the electronic control device having a program ... | 02/16/1988 |
| 4716941 | Faulty picking diagnosing system for a fluid jet loom A faulty picking diagnosing system for a fluid jet loom equipped with a fluid jet picking device. The faulty picking diagnosing system is capable of diagnosing a faulty picking cycle while the loom is in operation, to specify the causative parts of the fa... | 01/05/1988 |
| 4716940 | Safeguard device for a weaving machine The safeguard device has a light beam emitter secured to a pivotal lever for movement between an operative position and a retracted position. In addition, a plate is pivotally mounted relative to the lever to move with the lever. The plate is formed with ... | 01/05/1988 |
| 4706714 | Mounting arrangement for a switching unit for a loom The cross beam of the loom is provided with a retaining bar in which at least one panel-like or board-like switching unit is slidably mounted. Suitable acess openings are provided in the retaining bar to permit access to the control elements on the switch... | 11/17/1987 |
| 4702283 | Process and apparatus for inspecting woven fabric during its production on one or more looms Optical scanning and inspection of loomed fabric on one or more looms is carried out using a travelling optical scanner that scans an inspection area of fabric on a loom faster than the fabric traverses the inspection area, such inspection area provided b... | 10/27/1987 |
| 4669510 | Process for operation of a weaving machine as well as application of the process A weaving machine having a filling breakage detector for generating an error signal upon breakage of a filling thread. This error signal then stops the weaving machine. A pick finding process is then initiated in which the weaving program is set back and ... | 06/02/1987 |
| 4662406 | Controller for an automatic repair unit which corrects abnormal weaving operation on a loom Practice of an auto-repair operation on a loom is automatically prohibited when the frequency of auto-repair operation exceeds a preselected rate in order to avoid production of off-grade cloths otherwise caused by continuously repeated formation of weavi... | 05/05/1987 |
| 4637437 | Brake for a weaving machine The brake is provided with a resilient member between the brake band and a brake lever. In addition, the resilient member is provided with recesses in the form of bores in a part of a resilient member subject to compression. The construction of the resili... | 01/20/1987 |
| 4625770 | Method and apparatus for monitoring weft insertion in a fluid jet loom According to the present invention, the respective fluid pressures at the output sides of the plural jet fluid valve units in a fluid jet loom are converted into electrical signals by respective pressure detection elements such as piezo-electric elements.... | 12/02/1986 |
| 4570681 | Apparatus for stopping weaving machine at predetermined position A weaving machine is combined with a stop control means. A warp feeler, a weft feeler or a manual stop switch produces a stop signal and sends it to the control means. A comparator compares a crank angle sensed by a crank angle sensor with a preset angle ... | 02/18/1986 |
| 4553569 | Control method of stopping a loom at a predetermined position thereof A method of stopping a loom, whose operation is controlled by a microcomputer, at a predetermined position thereof is disclosed herein. In view of the phenomenon that the load on loom operation is varied with the operating cycles thereof depending on the ... | 11/19/1985 |
| 4546802 | Automatic failure sensor for hot wire cutters In order to prevent a loom from continuing to operate after burnout of hot wire cutters for cutting selvage, circuitry is provided to automatically stop operation of the loom upon hot wire cutter burnout. The circuitry preferably includes a conventional l... | 10/15/1985 |
| 4494203 | Method for correcting the deviation of a predetermined stop position in a loom A method positioning control is disclosed, to stop mechanisms of a loom at predetermined positions when stopping the loom operation, in which the loom is directly controlled by a microcomputer. In the method, correction is made with respect to a predeterm... | 01/15/1985 |
| 4488580 | Automatic method and apparatus for stopping loom rotation at a constant crank angle For ideal stoppage of loom rotation at a constant crank angle, initiation of braking action on loom rotation is always automatically and properly timed on the basis of initial stop lag angle representative of the current braking function so that the resul... | 12/18/1984 |
| 4478254 | Device for actuating shedding motion searching and slow speed operation on a loom The invention relates to the textile industry and more particularly to looms. The device comprises a motor-reducing gear unit which can drive the dobby mechanism selectively, through a clutch, this mechanism being normally driven, from the main shaft of t... | 10/23/1984 |
| 4476899 | Braking mechanism for a shed-forming machine A weaving machine is operationally connected to a shed-forming machine which includes a drive shaft and a braking mechanism. The latter includes a braking disk which is axially slidably supported on the drive shaft of the shed-forming machine. The braking... | 10/16/1984 |
| 4474218 | Pick finder apparatus for fluid jet looms The cam shaft of a fluid jet loom, which cam shaft normally operates the warp yarn harness frames, is disengaged from the machine drive mechanism by a clutch mechanism. The cam shaft is then rotated manually by the operator, as the machine drive is by-pas... | 10/02/1984 |
| 4474220 | Mechanisms for driving regulators in weaving looms The invention relates to improvements in mechanisms for driving regulators of weaving looms. Between the shaft of the dobby and the chain pinion which drives the regulator of the loom there is interposed a differential reverser whose satellites are borne ... | 10/02/1984 |
| 4474219 | Shed locating devices associated with dobbies and other weaving systems The present invention relates to improvements in shed locating devices associated with dobbies and other weaving systems. A device is provided to enable the dobby shaft to remain coupled to the loom shaft whilst being connected to an auxiliary motor and g... | 10/02/1984 |
| 4463781 | Pick-finding device for a weaving machine The pick-finding device has a planetary transmission for turning back the weaving units into their proper operative position relative to the weaving machine. The input shaft and output shaft of the transmission run in the same direction and at the same sp... | 08/07/1984 |
| 4458725 | Apparatus for coupling a weaving machine and shed-forming machine for effecting pick finding and slow speed operation In a pick finder, a gear which is driven by a motor sits on a sleeve, which has thereon a tooth of a single-tooth coupling. For tensioning the return spring which effects engagement of the coupling, the gear has on the front side an annular control cam su... | 07/10/1984 |
| 4448295 | Control apparatus for the electromagnetic brake of a weaving machine A control apparatus for the electromagnetic brake of a brake device or unit of a weaving machine or loom comprises a cam-controlled brake-pulse transmitter rotating with the machine shaft and two continuous signal switching stages which act upon two paral... | 05/15/1984 |
| 4386683 | Brake for a weaving machine The brake uses a slow brake feature whereby a positioning member, such as a lever, is actuated directly via a first spring to cause braking in response to faults only on the weaving side as well as a fast or normal brake feature whereby the positioning me... | 06/07/1983 |
| 4364002 | Control of operation of loom A method and an apparatus for controlling operation of at least one operating element of a loom on the basis of a reference signal are disclosed. A rotational position signal developed during each weaving cycle of the loom is compared with the reference s... | 12/14/1982 |
| 4362189 | Fluid weft insertion loom monitoring system A monitoring system for a fluid weft insertion loom monitors the significant operative events of each weaving cycle of the loom, e.g. yarn supply withdrawal, insertion nozzle actuation and yarn end arrival, and indicates the occurrence of each such event,... | 12/07/1982 |
| 4362190 | Method of sensing abnormality of weft detecting device in loom Disclosed is a method of sensing an abnormality in a weft detecting device which is employed in a loom in order to detect whether a weft is present in a predetermined interval corresponding to a set crank angle range within one revolution of the crank. Wh... | 12/07/1982 |
| 4178969 | System and method for controlling the stopping operations of weaving machines A system for controlling the stopping sequence of a plurality of weaving machines under emergency conditions and a method for the same are disclosed. The system includes a preference control circuit which upon receipt of high and low priority emergency si... | 12/18/1979 |
| 4140919 | Apparatus for the surveillance of one or more electrical signals Apparatus for monitoring one or more electric signals representing movement of objects such as threads, strips, or the like during one or more surveillance time periods. A first signal detector detects the electrical signals representative of the movement... | 02/20/1979 |
