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| Number | Title | Issue Date |
| 7350542 | Blowing nozzle for supporting a weft thread in a weaving machine Blowing nozzle for supporting a weft thread in a weaving machine, provided with a flow-through canalisation (17) for a fluid tracing a bend (20) near the free end of the blowing nozzle (3) to subsequently flow into the environment via at least o... | 04/01/2008 |
| 7124782 | Weaving machine including a selvedge tucking apparatus for weft threads A weaving machine having an apparatus for tucking in one or more weft thread ends (2′a) and for forming a cloth edge (10) as well as a shed forming apparatus for forming a shed (14) with a shed apex (14a). The apparatus fo... | 10/24/2006 |
| 7066213 | Catching and holding apparatus for the catching-side weft thread end in a weaving machine A catching and holding apparatus for catching-side weft thread ends in a weaving machine comprises a main nozzle and a catching passage for holding and stretching a weft thread end and a carrier on which the main nozzle and the catching passage are arranged. Further... | 06/27/2006 |
| 6968865 | Reed for weaving This reed for weaving is characterized in that a plurality of reed dents each having a hollow portion in a front edge section are arranged such that the hollow portions are communicated with each other so as to form guide grooves for the weft, the depths of the holl... | 11/29/2005 |
| 6880584 | Weft end collector A weft end recovery apparatus comprises weft end carrier for carrying by water flow weft ends formed as a result of weft insertion, a plurality of storing and dewatering sections to receive the weft ends carried from the weft end carrier together with the water, and... | 04/19/2005 |
| 6536482 | Auxiliary nozzle for a weaving machine The invention relates to an airjet weaving-machine auxiliary nozzle (8) in the form of a hollow needle (11) having a closed tip (12), the auxiliary nozzle having a bulge at its distal end extending towards one side only of the nozzle centerline, such that... | 03/25/2003 |
| 6176272 | Method for monitoring the operation of an electromagnet in a weft prewinder of a weaving loom An electromagnet exhibits in its energization curve (I=f(t)) a characteristic feature or indicator, for example, in the form of a dip (1', 2') in the energization current. This indicator is used to control the operation of the magnet, for example, to sync... | 01/23/2001 |
| 6164341 | Pneumatically supported weaving shuttle In a weaving machine, the shuttles of the weaving machine are transferred over and across the warp threads of the machine. The method and apparatus have the object of preventing factors which adversely affect the weave result from occurring at high shuttl... | 12/26/2000 |
| 6158479 | Arrangement for shooting and accelerating a shuttle in a weaving machine Shooting and guide members for a shuttle are arranged in a weaving machine. The shooting member comprises an air pressure source which supplies compressed air to one or more acceleration nozzles. The acceleration nozzle or nozzles are arranged to accommod... | 12/12/2000 |
| 6142190 | Picking method and apparatus for multicolor picking loom A picking method and apparatus for a multicolor picking loom to provide changes in the number of rotations of the loom in order to pick a desired weft. In particular, a signal generation unit outputs a weft selection signal for each weft corresponding to ... | 11/07/2000 |
| 6138719 | Auxiliary blow nozzle for an air jet weaving machine The invention relates to an auxiliary blow nozzle for air jet weaving machines which permits a symmetric division of the warp, said division protecting the structure of the warp threads, when the blow nozzle is immersed in the warp. To this end, an envelo... | 10/31/2000 |
| 6021820 | Weaving device with practile fluid handling A weaving device utilizing a projectile and a pressurized medium to guide the projectile as it transports a weft thread from a supply spool through a section of warp threads. A device is also used to introduce and decelerate the projectile. The pressurize... | 02/08/2000 |
| 5816295 | Weft insertion control method A weft picking control method capable of realizing control of a weft picking arriving time with a quick response over a wide range. The weft picking control method in an air-jet loom includes supplying air under pressure to weft picking nozzles, and jetti... | 10/06/1998 |
| 5787937 | Method for monitoring the proper functioning of electromagnetic air valves in pneumatic looms A method for monitoring the functional reliability of magnetic valves in pneumatically operated systems of an air jet loom, such as the valves for the relay nozzles, allows the failure of such a valve to be quickly detected and corrected. The characterist... | 08/04/1998 |
| 5649571 | Sub-nozzle in an air injection type weaving machine A sub-nozzle in an air injection type weaving machine in which fluffing or the like caused by contact thereof with warp etc. does not occur, and for which its manufacture and control is facilitated. A sub-nozzle jetting a high-speed air flow for accelerat... | 07/22/1997 |
| 5641002 | Ancillary air jet arrangement in the reed weft channel of an air jet loom A method of insertion of the weft thread into the shed of an air-operated jet loom in which a main stream of air supplied to an end of a direct pick channel in a swinging loom reed is supplemented at regular length intervals along the whole length of the ... | 06/24/1997 |
| 5588470 | Weft inserting device for an air jet loom having reed pieces with recessed weft guide openings A weft inserting device using a profiled reed for an air jet loom is equipped with a plurality of reed pieces each having a C-shaped guide notch. The line of guide notches forms a weft passage where weft injected from a main nozzle flies. Each guide notch... | 12/31/1996 |
| 5345976 | Method for a pneumatic weft thread insertion in an air nozzle weaving loom In order to avoid or at least minimize weft thread breaking in an air nozzle loom, the supply of pressurized air to the relay nozzles is controlled in such a manner that the velocity of the blowing air is diminished toward the end of the weft thread inser... | 09/13/1994 |
| 5341977 | Yarn drawing-in nozzle A yarn drawing-in nozzle for drawing a yarn through an eye of a drawn-through member, comprising: a compression nozzle provided in an upstream side of the drawn-through member and having a block, the block being formed with a guide passage to which compre... | 08/30/1994 |
| 5333651 | Pneumatic weft guide in an auxiliary reed The binding of free weft thread ends at the exit of the weft thread insertion channel in an air weaving loom, into the fabric edge, is to be avoided. For this purpose it is necessary to straighten out the turbulent weft thread ends. The straightening is a... | 08/02/1994 |
| 5323814 | Reed pieces with recessed weft guide openings having inclined surfaces A weft insertion device for a jet loom prevents weft the distal or leading end of the weft from being ejected from the weft passage before reaching the exit end of the passage in the reed, while improving the flying speed of a weft. The weft insertion dev... | 06/28/1994 |
| 5295515 | Apparatus for controlling weft insertion in jet loom In a jet loom, a weft insertion start timing, a jet injection start timing of a main weft inserting nozzle and a jet injection stop timing of auxiliary weft inserting nozzles are controlled on the basis of empirical rules. A weft insertion control program... | 03/22/1994 |
| 5197520 | Cleaning system for loom airjet nozzle An airjet loom is cleaned by periodically passing a cleaning fluid through the airjet nozzles. For this purpose, the solenoid valves each include an additional hook-up by means of which the airjet nozzles can communicate with a source of cleaning liquid.... | 03/30/1993 |
| 5095953 | Computer control of auxiliary weft nozzles in a multi-color jet loom A weft insertion control apparatus for a multi-color jet loom comprises a plurality of solenoid valves for controlling supply of a pressurized fluid to weft inserting auxiliary nozzles, an on/off controller for controlling these valves independently of on... | 03/17/1992 |
| 5067527 | Adjustment of weft yarn stretch in a shed of an air jet loom A method for adjusting weft yarn stretching in an ordinary or traversing shed and for adjusting the air consumption of relay nozzles forming a travelling zone in the shed of an air jet loom having one or more yarn feed systems. The weft yarns are picked f... | 11/26/1991 |
| 5056566 | Control of weft insertion timing as a function of shed opening A method for supplying weft threads into the shed of a weaving machine includes the step of controlling at least one of the weaving machine elements which can influence weft insertion times as a function of the reopening of the shed. The method is particu... | 10/15/1991 |
| 5031672 | Nozzle control device with closed loop control circuit for an air weaving loom A nozzle control device for an air weaving loom has a weft thread insertion by one or more main nozzles and a feed advance of the yarn in the air insertion channel by relay nozzles arranged one behind the other at the weaving reed. The relay nozzles are c... | 07/16/1991 |
| 5031669 | Weft thread monitor with control circuit to eliminate false weft defect signals A weft thread monitor for an air weaving loom with air jets for inserting weft thread yarns of different qualities such as coarse, fine, thick or thin yarns into the loom shed, has an amplifier or comparator controlled in response to control signals which... | 07/16/1991 |
| 5007464 | Electromagnetic weft brake An electromagnetic device is provided for use, for example, as a yarn brake, a rely nozzle valve, a weft yarn stretching nozzle and the like. The electromagnetic device has a pole piece associated with a winding connectable to an electric line. A spring s... | 04/16/1991 |
| 5005609 | Pneumatic removal of defective weft filament A weft filament is inserted as a pick in a weft direction into a shed formed between groups of warp filaments extending and generally traveling in a warp direction, and is beaten into the warp filaments by a comb to form a woven textile. A defective pick ... | 04/09/1991 |
| 4997010 | Cloth support with cloth guiding surface for close engagement with reed side walls The reed of an air jet loom has a passage for guiding the weft yarn to be picked which in cross-section is trough-shaped with substantially parallel walls and a base which extends transversely to the walls. The cloth support extends so far into the weft-g... | 03/05/1991 |
| 4989646 | Profiled reed dent with weft passage recess In a weft insertion system of an air jet loom, a weft passage in the form of a U-shaped groove opening forwardly toward a cloth fell is formed by recesses of profiled reed dents, and sub-nozzles are arranged to direct auxiliary air jets into the weft pass... | 02/05/1991 |
| 4989645 | Mispick removal A device for removing an incorrectly inserted weft on a jet loom includes nozzles, a scissor locking device, and a suction device operated in response to signals from sensors sensing the position of the weft. The incorrectly inserted weft picking length i... | 02/05/1991 |
| 4987930 | Auxiliary sub-nozzle for fluid jet loom An auxiliary nozzle for a loom, such as an air jet loom within a shuttleless loom, jets pressurized gas in order to prevent stall of weft inserted into warp shedding. At least a tip portion of an auxiliary nozzle body is formed of ceramics material having... | 01/29/1991 |
| 4915141 | Auxiliary nozzle for air jet loom An auxiliary nozzle for an air jet loom, arranged to provide assisting force to a weft yarn picked from a weft inserting nozzle. The auxiliary nozzle is formed with a nozzle opening through which auxiliary air is ejected to enhance the air stream from the... | 04/10/1990 |
| 4822662 | Machine parts with wear-resistant surface brought into contact with elongated fibrous member Machine parts to be brought into contact with an elongated fibrous member each consists of a substrate of an iron series metal and a surface layer which has high wear-resistance and a good sliding property, and which contains chromium oxide as a major con... | 04/18/1989 |
| 4794958 | Auxiliary nozzle for air jet loom An auxiliary nozzle for an air jet loom is configured as straight tubule closed and tapered blade-like at its free end and moveable with the loom batten into and out of the formed sheds. At least one blow aperture near the closed end of the tubule is prov... | 01/03/1989 |
| 4787423 | Method of and device for inserting weft yarn in jet looms The present invention relates to a method of and apparatus for inserting weft yarn in jet looms, in which the weft yarn is inserted by the action of an inserting fluid jet and entraining fluid jets. The weft yarn is projected by the inserting fluid jet in... | 11/29/1988 |
| 4703779 | Control valve for auxiliary nozzle of air jet looms A valve arrangement for the control of blowers of air jet looms that are attached to a batten, wherein the valve is formed by a housing fastened to the batten, and is provided with an inlet for blow air and an outlet connected with at least one blower or ... | 11/03/1987 |
| 4673004 | Adjustable control of the weft on a weaving loom An adjustable control for weft thread delivery of an air jet weaving loom includes a system for selectively controlling the control time and the duration of master weft delivery jets in response to measurements made of weft thread delivery during the weav... | 06/16/1987 |
