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| Number | Title | Issue Date |
| 8091589 | Loom and drive device of loom A loom (1) has feed motor (27) rotating a warp beam (3) in a direction to feeding warps (V) from the warp beam (3), a heddles (10) opening and closing the warps (V) fed off from the warp beam (3), a reed (13) beating ... | 01/10/2012 |
| 7320343 | Loom The invention relates to a loom comprising a warp thread tensioning device and a shedding device (12), which comprises pre-tensioned warp threads (4) in a first shedding position (F1). The loom also comprises a lifting device (38), wh... | 01/22/2008 |
| 7104286 | Weaving machine with correction of the distortion of the weft A weaving machine includes two temples whose axis is parallel to the weft threads and which are located at the lateral edges of the cloth, a cylindrical cloth-deflecting bar on which the cloth presses around an arc of contact before winding around a haul-off roll on... | 09/12/2006 |
| 7088061 | Drive system for a group of machines A drive system powering a group of machines each fitted with a rectifying unit, wherein the inputs of the control devices of the machines' drive motors are interconnected by an electrical bus which implements a power exchange. The system enables swapping current fro... | 08/08/2006 |
| 7043894 | Air spinning frame with reluctance motors For an air spinning frame, reluctance motors are provided for each spinning place to drive the pairs of rollers of the drafting unit, the drawing-off means, and the friction roller. Thereby, for the run-up of a spinning place, e.g., after a thread break, a specific ... | 05/16/2006 |
| 6945283 | Measuring apparatus for measuring the cloth tension in a weaving machine and a weaving machine with a measuring apparatus of this kind A measuring apparatus for the measurement of the cloth tension in weaving machines comprises a probe element and a guide part to which the probe element is connected in order to guide the probe element. The measuring apparatus furthermore comprises a holder to which... | 09/20/2005 |
| 6918410 | Method for fabricating wovens A method for weaving single-layered and/or multi-layered woven fabric, especially airbag fabric, includes interweaving warp threads delivered by at least two warp beams. ... | 07/19/2005 |
| 6725884 | Yarn tightening element for a textile machine A yarn tightening element for a weaving machine, comprising a passage (16) for a yarn (15) and a contact means (2) to transmit a tightening force to a yarn (15) moving along through this passage, the passage (16) being not bordered... | 04/27/2004 |
| 6230757 | Device for tensioning warp threads in a loom An apparatus for tensioning warp threads in a weaving machine having a rotatably mounted carrier beam (5) which exerts strain on a tensioning roll (10) acting on the warp threads (15). A pre-stressed torsion spring (16) is arranged inside the carrier beam... | 05/15/2001 |
| 6216747 | Beam let-off apparatus and a method for letting off filaments A beam let-off apparatus capable of adjusting the tension of a plurality of filaments as they are removed from a beam through the controlled movement of a pivoting arm directed by the tension of the unwinding filaments, comprises a frame, a driven roll, 1... | 04/17/2001 |
| 6135162 | Method and device for regulating a back rest and/or a drop wire position of a weaving machine In a loom of which the backrest (3) and/or the warp stop motion (17) are adjustably supported on the machine frame (22) and are adjustable by associated adjusting equipment with at least one adjusting function, at least the backrest (3) and/or the warp st... | 10/24/2000 |
| 6098670 | Apparatus for tensioning warp threads for a weaving machine and a weaving machine with an apparatus of this kind An apparatus for applying substantially uniform tension to warp threads along a warp thread path in a weaving machine. The apparatus has a carrier element (5), a tensioner element (7) for the warp threads which is multiply supported thereon, said tensione... | 08/08/2000 |
| 6070619 | Easing roller control method A method of controlling the easing motion (1) of a loom executes a position control operation and a tension control operation successively in one weaving cycle of the loom. The position of an easing roller (6) included in the easing motion (1) is measured... | 06/06/2000 |
| 6023949 | Circular knitting machine with drive roll feed back device for tensioning the knitted fabric A circular machine for knitting or hosiery with a device for tensioning the knitted fabric, the tensioning device comprising at least two tensioning rollers which are arranged below the needle work area and are arranged substantially horizontally. The ten... | 02/15/2000 |
| 5890519 | Apparatus for controlling a warp tensioner of a weaving machine An apparatus for controlling a warp tensioner of a weaving machine. The apparatus contains a spring member that is in working connection with the warp tensioner and a control system that has a container communicating via a 2/2 way valve with the spring me... | 04/06/1999 |
| 5862835 | Controlling a high speed asynchronous motor in a weaving machine A drive device for a weaving machine has a motor control unit connected to an asynchronous motor. An electric supply network supplies the motor control unit with electric power which the motor control unit converts to have a substantially higher frequency... | 01/26/1999 |
| 5857496 | Weaving apparatus including switched reluctance drive Weaving apparatus comprises a warp beam bearing warp threads, a loom on which the warp threads are woven with weft threads, and a take-up roller for taking up the woven material. The loom is powered by a main loom motor. Either or both of the take-up roll... | 01/12/1999 |
| 5787938 | Fabric draw-off device in a circular loom A device for drawing-off a fabric in a circular loom where the circular loom has a drive motor for driving a main shaft and a weft monitoring assembly for detecting a fault in a weft. The device has a separate motor for driving the fabric draw-off rollers... | 08/04/1998 |
| 5743307 | Hydraulic warp tensioning apparatus A system for bringing ground warp threads under tension on a beam stand comprises first and second rollers on which the ground warp threads run. The first roller is mounted on a support which is movable in relation to the second roller. A mechanism for ex... | 04/28/1998 |
| 5699837 | Combined pile feeder control system and pile warp let-off motion for pile weaving machine In a double-gripper weaving machine, intended for weaving plain velvet and carpets, a pile feeder and a combined pile warp beam let-off motion are equipped with a computer in order to calculate the necessary pile warp feed of each operating cycle of the w... | 12/23/1997 |
| 5649569 | Warp tension measuring apparatus A warp tension measuring apparatus for weaving machines or looms has a force sensor or pick-up (3) and a member (2) which is in active communication with the force sensor (3) to transfer a force acting on the members (2) onto the force sensor. The force s... | 07/22/1997 |
| 5645111 | Device for controlling operations of shaft frames of a weaving machine In a weaving machine a control unit for controlling the movement of the shaft frames or harnesses creates a feedback function through load cells and AC-servo motors that enables accurate shaft frame adjustment in forming an open shed. The weaving machine ... | 07/08/1997 |
| 5628346 | Device for measuring the warp yarn tension in a loom by use of a deviation bar A device for measuring the warp yarn tension of a woven fabric in a loom, which includes a fixed deviation bar which extends across the entire loom width and cooperates with a device measuring warp yarn tension, the fixed deviation bar having a central or... | 05/13/1997 |
| 5538048 | System and method for regulating the cloth fell position in a loom A system and method for regulating the cloth fell position in a loom. The desired lengths of cloth and warp thread are determined by averaging the actual values over a given number of weft insertions. The actual lengths of the cloth and warp thread are th... | 07/23/1996 |
| 5487413 | Method for restarting the operation of an air jet loom, after defective weft removal A loom is slowly operated in reverse rotation to move the loom to a position where a cutter is able to easily cut an improper weft when there occurs an error in the picking motion. Then, the loom is operated in normal rotation to move it to a position whe... | 01/30/1996 |
| 5386855 | Device for automatically varying the position of the shed vertex in a loom A device for automatically varying, during the transient states following loom stoppages, the shed vertex position in the loom. The device consists of a sensor for determining the beat-up pulse intensity of the loom reed. The device also is connected to a... | 02/07/1995 |
| 5355912 | Elastic deformation device for automatically controlling the warp tension in a loom A device for automatically controlling the warp yarn tension in a loom in which the fixed deviation bar for the fabric under formation is supported only at its ends. A deformation sensor, moreover, is directly supported on the deviation bar. The deformati... | 10/18/1994 |
| 5305802 | Drive adjustment device for sectional warp beam let-off motion The weaving machine has at least two sectional warp beams (20a, 20b) and at least one whip roll (23) rotatably mounted to the machine. Each sectional warp beam is equipped with an individually drivable warp let-off motion (30, 31, 32). Feeler members (13a... | 04/26/1994 |
| 5259421 | Weaving machine feeding apparatus with oscillating dancer roll Apparatus for feeding warp yarns to a weaving machine has a driven yarn tensioning roll (A) over which passes the warp yarn as it is pulled from a supply into the weaving machine. Thereafter, the warp yarn passes over a dancer roll (B) and a guide (C). A ... | 11/09/1993 |
| 5224520 | Weaving bar prevention in a jet loom Upon slow operation of a loom, a feed-out motor for a warp beam or a wind-up motor for a surface roller is driven to thereby displace a cloth fell of woven fabric from a normal position toward the fabric, and upon completion of the slow operation, the mot... | 07/06/1993 |
| 5170821 | Warp tension control apparatus with tension reduction during loom stop A warp tension control apparatus includes a tension detector for detecting the tension of a warp and an operation mode controller for generating a control signal to drive a motor so as to minimize the deviation between the detected tension and a normal ta... | 12/15/1992 |
| 5090452 | Prevention of weft streaks after loom start up In order to prevent the formation of weft streaks in cloth when a loom is restarted after a stoppage, the warp tension is reduced by a predetermined amount as soon as the stoppage occurs and the original warp tension is restored before restarting. The red... | 02/25/1992 |
| 5065796 | Loom temple control system to vary pick density An apparatus for controlling an air jet loom and, in particular, for controlling a loom used for weaving cloth having move than one pick range. One use of such cloth is for tire-cord fabric having a body portion having between 1 and 3.5 ppi and at least o... | 11/19/1991 |
| 5029616 | Controlling warp tension as a function of weaving pattern A method of weaving cloth having a weaving pattern which varies according to which warp threads are supplied and according to which weft threads are bound into the warp threads, includes the steps of forming successive different pattern areas and regulati... | 07/09/1991 |
| 5024253 | System for controlling warp take up and let off rates A take-up rate and a let-off rate in warp feed on a loom are controlled while a displacement (ƊL) of a cloth fell position C is taken into account. The system comprises a cloth fell position compensation circuit (2, 16, 21) which outputs a cloth fell com... | 06/18/1991 |
| 4949759 | Seersucker loom with tension regulation of puckering warp A seersucker loom is arranged such that puckering warp yarns are divided to form a shed during the weaving of a seersucker. The tension of the puckering warp yarns is maintained on a level below that of the tension of the ground warp yarns. The puckering ... | 08/21/1990 |
| 4942908 | Warp transfer control system of loom for filling density change A warp transfer control system for a loom, includes a first actuator for varying a warp let-off speed, a second actuator for varying a fabric take-up speed to change a filling density, and a control unit which has a take-up control section for controlling... | 07/24/1990 |
| 4827985 | Method of controlling pile warp tension in synchronism with loom movement A warp tension control method by which the let-off motion of a loom is controlled to regulate the tension of the warp yarns. A force of the same dimension as the controlled variable, namely, the tension of the warp yarns, is applied to a mechanism support... | 05/09/1989 |
| 4817677 | Method for controlling the warp let-off and cloth take-up on weaving machines Method for controlling the warp let-off on weaving machines, with the characteristic that the method consists of: detecting the variation with time of at least one of the parameters which are a function of the warp tension and speed of motion of the warp ... | 04/04/1989 |
| 4750527 | Method and device for controlling a warp beam drive of a weaving machine In a control for a warp beam drive of a weaving machine, the warp beam drive is regulated at all times by a control which receives input signals representing the number of rotations of the warp beam and representing the tension of the warp threads. If the... | 06/14/1988 |
