| Patent Number |
Title Of Patent |
Date Issued |
| RE30709 |
Method of removing impurities and similar matter from staple fibres in ringless spinning and dev |
August 18, 1981 |
| A method of removing impurities from staple fibres in ringless spinning and a device for performing said method. The impurities are ejected immediately after being contacted by the combing roller into a withdrawing space by the effect of the acceleration imparted thereto by said contact. |
| 4908006 |
Belt tightening device for open-end spinning machines |
March 13, 1990 |
| A belt tightening device is provided for open-end spinning machines which is capable of ensuring good belt thrust, eliminating vibrations, and reducing the noise level of the machine. Each bearing box of a belt tightening roll is attached to the end of a pair of flat legs extending in |
| 4895313 |
Travelling service unit for exchanging wound bobbins |
January 23, 1990 |
| A travelling service unit prevents full bobbins removed from bobbin holders from assuming an unwanted position when being laid onto a conveyor belt. According to the invention, the travelling service unit is provided with bobbin gripping means attached to conveying means. The latter is a |
| 4885906 |
Device for automatically spinning-in yarn |
December 12, 1989 |
| A device for automatically spinning-in yarn in spinning units of open-end rotor spinning machines improves the process of leading the spinning-in head of the device onto the take-off tube of the spinning unit by using simple means.According to the invention the spinning-in head is attach |
| 4883231 |
Cop tube transporting device for textile machines |
November 28, 1989 |
| An easy and simple transport of cop tubes to a travelling automatic service unit for exchanging wound packages for empty tubes has a conveyor in the form of a flat belt supported by upper slide surfaces of supporting walls fixed onto beams of the machine frame. The walls, together with t |
| 4852340 |
Fiber separating device |
August 1, 1989 |
| The invention solves the problem of ejecting impurities out of a cleaning aperture in the fiber separating device of an open-end rotor spinning unit, particularly when there are various contaminations of fibrous slivers and of different kinds of textile fibers being processed. For this |
| 4731987 |
Open-end rotor spinning unit |
March 22, 1988 |
| The invention relates to an open-end rotor spinning unit and particularly solves the problem of the relationship between a fiber defining stud of a separator, a fiber supply duct and a yarn take-off duct passing through the separator and the stud.According to the invention, there is esta |
| 4584833 |
Apparatus for emergency interruption of fiber supply to a spinning unit of open-end spinning mac |
April 29, 1986 |
| This invention relates to an apparatus for emergency fiber supply to a spinning unit in an open-end spinning machine. According to the invention, a sensing unit controls an electromagnetic coupling and fiber supply device, such that a break in the yarn is rapidly detected and the fiber |
| 4553383 |
Method of and apparatus for spinning yarn from staple fibers in an air vortex |
November 19, 1985 |
| Method of and apparatus for spinning yarns from staple fibers in an air vortex in a stationary spinning tube axially coupled by one of its ends to a stationary air chamber, and by its other end to a sub-atmospheric pressure source. A flow of discrete fibers is supplied into the air c |
| 4534042 |
Method of and apparatus for the continuous monitoring and analysis of the operation of spinning |
August 6, 1985 |
| Method of and apparatus for a continuous monitoring and analysis of spinning units operation in multiple unit open-end spinning machine. The invention permits the obtaining of reliable data about the operation of open-end spinning units in the machine, and of immediately processing them |
| 4499718 |
Apparatus for separating impurities from open-end spinning units |
February 19, 1985 |
| Fiber separating device of an open-end spinning unit wherein the wall facing the fiber separating cylinder is provided with an impurity separating duct and with one or more air supply apertures. The air supply apertures are oriented symmetrically with respect to a plane substantially |
| 4495762 |
Apparatus for separating fibers in open-end spinning units |
January 29, 1985 |
| Apparatus for separating fibers in open-end spinning units having a fiber separating cylinder in a cavity of a housing in which on a cylindrical surface there is provided a cleaning aperture with an impurity separating duct which latter opens by its impurity rebounding wall into a cylind |
| 4429522 |
Open-end spinning machine |
February 7, 1984 |
| An open-end spinning machine having an open-end spinning unit with novel apparatus for withdrawing impurities released in the spinning unit. An impurity releasing duct outlet of the sliver separation housing of the open-end spinning unit extends from said housing and has substantially th |
| 4408447 |
Method of and system for controlling the operation of open-end spinning machines |
October 11, 1983 |
| The invention relates to a method of and a system for controlling the operation of open-end spinning machines comprising a plurality of spinning units, which method is based upon a permanent cyclic communication of a central unit of the system with the individual spinning units. Accordin |
| 4384451 |
Method of an apparatus for spinning-in yarn in open-end spinning units |
May 24, 1983 |
| Improved yarn spinning-in process and apparatus in open-end rotor spinning units which raises the quality of the spun-in point in the yarn to a level comparable with the quality of the entire yarn length. The yarn open end is pieced on to high-quality fibers while low-grade fibers are se |
| 4369620 |
Apparatus for spinning-in yarns in open-end rotor spinning units |
January 25, 1983 |
| The invention relates to an apparatus for the spinning-in of yarns in an open-end rotor spinning unit. The apparatus includes a spinning-in device for returning yarn end through a take-off duct into the spinning rotor, a severing device for shortening the yarn end to a predetermined leng |
| 4329839 |
Method of and apparatus for starting an open-end spinning machine |
May 18, 1982 |
| Method of and apparatus for operating an open end spinning machine having a plurality of spinning units each including a sliver feeding device, a fiber separating device, a twist forming element, a yarn taking-off device, yarn winding device and a reversing mechanism for returning the |
| 4322942 |
Open-end spinning method and apparatus |
April 6, 1982 |
| An open-end spinning method and an apparatus wherein a flow of discrete fibers is supplied to a fiber spreading element by which they are spread over the entire periphery of an inner fiber deposit surface of a drum where a fibrous layer is continuously created. Fibers are successively |
| 4317545 |
Method of and apparatus for exchanging full bobbins for empty ones in textile machines, particul |
March 2, 1982 |
| Method of and apparatus for exchanging full bobbins for empty ones in textile machines, particularly open-end spinning machines with take-up and winding rollers for taking-off and winding yarn on a bobbin. An end of yarn severed between said take-up rollers and said winding rollers is |
| 4302926 |
Multi-component yarn and method of apparatus for its manufacture |
December 1, 1981 |
| Multi-component yarn comprising as one component an open end yarn core formed in an open end spinning chamber from staple fibers, and at least a further component consisting of a longitudinal formation which is wrapped on this yarn core in said spinning chamber, advantageously along a he |
| 4281507 |
Frictional open-end spinning method and apparatus |
August 4, 1981 |
| A method of and apparatus for frictional open-end spinning which is an improvement upon that disclosed by the co-assigned U.S. Pat. No. 4,168,601. Continuously supplied separated fibers are deposited onto a first, frictional carrying surface provided on a revolving carrier and design |
| 4251984 |
Apparatus for separating staple fibers on an open-end spinning unit |
February 24, 1981 |
| Apparatus for separating cotton type staple fibers from a fibrous sliver supplied to an open-end rotor spinning machine, said apparatus having a surface for supporting the so-called fiber beard of the sliver to be attacked by a card clothing of the combing cylinder. The dimensions and |
| 4249370 |
Method of and apparatus for removing dirt particles from staple fibers and for straightening sai |
February 10, 1981 |
| A method of and apparatus for removing dirt particles from staple fibers and straightening the resulting clean fibers in an open-end spinning unit which includes means for feeding sliver, fiber opening means, and means for twisting the thus cleaned and opened fibers. Fibers together with |
| 4246749 |
Method of and apparatus for piecing yarn in open end rotor spinning units |
January 27, 1981 |
| A method of and an apparatus for piecing yarn in open end rotor spinning units. The returning of the yarn end into the spinning rotor for piecing is performed in two stages, in the first of which the yarn is stopped immediately upon breakage within the sucking range of the spinning rotor |
| 4222222 |
Open-end frictional spinning apparatus |
September 16, 1980 |
| There is disclosed an apparatus for the frictional spinning of yarn on the open-end principle. The apparatus includes a mechanism for supplying separated fibers onto one of frictional surfaces provided on respective rotary carriers inserted one in the other and forming a wedge-like gap |
| 4194537 |
Arrangement for guiding a weft thread end under tension toward a fabric fell in travelling-wave |
March 25, 1980 |
| An arrangement for tensioning the end of an inserted weft for beat-up of the weft into a fell by a rotary reed is described. An elongated weft-gripping mechanism is movable forwardly opposite the direction of movement of the portion of the reed which engages the weft being inserted a |
| 4174605 |
Method of and apparatus for spinning yarn in an air vortex in a spinning tube |
November 20, 1979 |
| Method of and apparatus for spinning yarn of staple fiber in an air vortex in a spinning tube. Separated fibers are withdrawn from the spinning tube in counterdirection to a whirling flow of air produced in a pneumatic chamber coupled to the spinning tube. The yarn being built is twisted |
| 4168601 |
Frictional open-end spinning method and apparatus |
September 25, 1979 |
| There is disclosed a method of and an apparatus for frictional spinning yarn on the open-end principle. Continuously supplied separated fibers are deposited onto a first, perforated frictional surface provided on a rotary carrier for conveying the fibers to the mouth of a wedge-like gap |
| 4166356 |
Method of and apparatus for pneumatically removing a fibrous ribbon or a severed yarn end from t |
September 4, 1979 |
| A method of and an apparatus for pneumatically removing a fibrous ribbon or a severed yarn end from the spinning rotor of an open-end spinning machine in the event of an interruption in the spinning process having the steps of withdrawing the fibrous ribbon or severed yarn end from the s |
| 4120326 |
Shed forming device for looms |
October 17, 1978 |
| An improved shed forming device having two-part heald holders the parts of which are secured together by a quickly detachable connecting means. The means connecting the two portions of the holder is made as a locking means in which the extremity of one portion of the holder is inserted o |
| 4112663 |
Method of and apparatus for cooling spinning units of open-end spinning machines |
September 12, 1978 |
| Method of and apparatus for cooling the spinning units of open-end spinning machines driven by individual high speed electric motors. A cooling air flow is separated from the technological air flow, such cooling air flow being introduced into the housing of each unit in the space bet |
| 4111238 |
Apparatus for controlling shed formation in a travelling-wave loom |
September 5, 1978 |
| An improved technique for presetting the adjustment cams that move the heddles of a travelling wave loom between their upper and lower shed-forming positions as described. The succession of control cams or guiding members, which engage actuating butts on the lower ends of the success |
| 4110961 |
Spinning unit of an open-end spinning machine |
September 5, 1978 |
| A spinning unit of an open-end spinning machine comprising a spinning rotor to which separated fibers are supplied to be formed into a yarn which is withdrawn through a take-off duct and wound onto a bobbin. At its inlet end portion, the yarn take-off duct is rounded and embodied as an |
| 4104854 |
Dynamic yarn-braking arrangement for an open-end spinning machine |
August 8, 1978 |
| An improved technique for stopping the advance of spun yarn through the draw-off rollers and distributing cylinder of an open-end spinning machine in response to a detected yarn breakage condition is described. A reversible clutch is selectively interposed between first and second op |
| 4083507 |
Grooved, yarn-distributing traversing cylinders in textile machines |
April 11, 1978 |
| An improved construction of a rotary yarn-distributing cylinder cooperable with a yarn take-up bobbin at the output of an open-end spinning machine or similar textile apparatus is described. The major portion of the periphery of the distributing cylinder is formed by or covered with a |
| 4071052 |
Rotary reed having facilities for adjustably separating groups of leno warp threads |
January 31, 1978 |
| An improved arrangement of leno discs on axially opposite sides of the main fabric beat-up discs of a rotary reed is described. Three leno discs are provided in each set, with the channel between the innermost and intermediate ones of the discs in each leno set being established by an |
| 4067182 |
Method of and apparatus for separating staple fibers from a fibrous sliver |
January 10, 1978 |
| A method of separating fibers from a fibrous sliver and conveying them in this condition to a twist forming element of an open-end spinning unit. The fibers traverse a fiber separating zone which is formed by the annular space between a combing-out cylinder and the bore of a housing. Amb |
| 4050226 |
Apparatus for timing a spinning-in operation of a textile machine |
September 27, 1977 |
| An arrangement for timing the initiation of a spinning-in operation of an open-end textile machine is described. A sequencer is coupled to the take-up bobbin to provide an indication proportional to the increase in diameter of the yarn package during the take-up operation. The sequencer |
| 4040573 |
Method of and apparatus for transporting empty bobbin tubes to a pick-up and delivery station in |
August 9, 1977 |
| A method and an apparatus for conveying empty bobbin tubes through a channel member which extends longitudinally along a plurality of working units of an open-end spinning, winding, yarn texturing or similar machine. The apparatus of the invention includes a transporting member which is |
| 4034783 |
Endless-chain systems for feeding weft threads to weft inserters |
July 12, 1977 |
| A travelling-wave loom is provided with a pair of endless chains which respectively carry a plurality of weft inserters and a plurality of winding units for feeding weft threads from associated bobbins to the weft inserters. The chain carrying the winding unit is formed from a plurality |
| 4027705 |
Strand-braking apparatus |
June 7, 1977 |
| A strand advanceable from a supply spool to a weaving machine of the shuttleless type under variable tension is routed through an adjustable braking mechanism. The braking mechanism includes a flat guide plate along which the strand advances, the strand being contacted at longitudinally |
| 4013242 |
Cop tube holder for winding yarns or threads on textile machines |
March 22, 1977 |
| Cop tube holder for winding yarns or threads on textile machines, and more particularly on open-end spinning machines with an automatic cop exchange, provided with a pair of bent levers adapted to swing in the holder and carrying rotatable dishes for placing the front portions of the tub |
| 4008562 |
Apparatus for supplying a staple fiber formation to a fiber separating device of an open-end spi |
February 22, 1977 |
| Apparatus for supplying a staple fiber formation, such as a fibrous sliver, to a fiber separating device in an open-end spinning unit provided with a combing-out cylinder adapted to cooperate with a feed roller and with a pivotally supported pressure shoe thrust toward said feed roller. |
| 3998040 |
Method of and apparatus for spinning yarns from staple fibers by an open-end spinning technique |
December 21, 1976 |
| A plurality of separate fiber slivers are introduced into spaced portions of a fiber-separating zone disposed in a combing cylinder-type fiber separating apparatus. The separated fibers are separately discharged into a common duct via a fiber-stripping zone associated with each combing |
| 3990225 |
Open-end spinning machine |
November 9, 1976 |
| Open-end spinning unit having two housings connected to each other, a first housing containing a spinning rotor adapted to be supplied through a supply duct with separated fibers carried by an air stream while yarn is withdrawn therefrom through a take-off duct, the second housing contai |
| 3968817 |
Method of and apparatus for continuous progressive beating up of weft in travelling-wave sheddin |
July 13, 1976 |
| Method of and apparatus for continuous progressive beating up of weft in travelling-wave shedding looms with simultaneous picking of weft threads into the warp in which the weft in the shed is affected by a beating up force progressing in the weaving direction. The weft is first affected |
| 3968636 |
Open-end fiber spinning machine |
July 13, 1976 |
| Open-end fiber spinning machine including an under pressure spinning chamber and an opening roller mounted in a fiber opening body. The opening roller engages a feeding channel for feeding the separated fibers, said channel connecting directly the inner space of the spinning chamber with |
| 3967655 |
Apparatus for stabilizing the fabric within the weft beat-up area in wave weaving looms |
July 6, 1976 |
| A method of and apparatus for stabilizing the fabric within the weft beat-up area in multiple-shed weaving machines or wave weaving loom wherein the beat-up is effected by means of a rotary reed. Immediately after the weft has been beaten-up, the fabric passes through a stabilization |
| 3952494 |
Open-end spinning unit with a spinning rotor |
April 27, 1976 |
| Open-end spinning unit with a spinning rotor having a lower side and an upper side. A lid is inserted into a front opening provided in said lower side, said lid being bored so as to form a fiber supply duct to convey separated fibers into the interior of said spinning rotor. A yarn take- |
| 3948452 |
Open-end spinning machine and method of operating the same |
April 6, 1976 |
| An open-end spinning machine, is operated by continuously advancing a yarn towards a take-up station at which it is wound onto a bobbin rotating at a predetermined speed, so that a yarn package forms on the bobbin and the latter eventually becomes full. As the bobbin approaches a conditi |
