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| Number | Title | Issue Date |
| 6227253 | Method and device for twisting at least two running for a loom selvage forming device A rotatable element (10) is configured with a helical, endless thread guide passage (14) which is used to twist at least two threads (8, 9), particularly in a weaving machine's selvage forming device (7). The threads (8, 9) are guided in the passage (14) ... | 05/08/2001 |
| 6199361 | False twist texturing machine By appropriately controlling a yarn tension of an upstream side from a false twist device, variations in yarn quality among packages can be eliminated. A false twist texturing unit 7 which imparts a yarn Y with a false twist, a first feed roller 4 arrange... | 03/13/2001 |
| 5901544 | Method and apparatus for producing randomly variegated multiple strand twisted yarn and yarn and fabric made by said method A method and apparatus for producing randomly variegated multiple strand wrapped yarn in twisting together two or more yarns at a plurality of yarn twisting stations. At each station a pneumatic twisting head is disposed in which randomly turbulent air cu... | 05/11/1999 |
| 5392588 | Spinning with hollow rotatable shaft and air flow A method for spinning yarn produce the yarn having properties generally comparable to those of ring spun yarn. A rotatable hollow shaft having an entrance at one end and an exit at the other is rotatable about an axis extending in a direction A. A number ... | 02/28/1995 |
| 5094068 | False twister for yarn A yarn false twister in which an endless belt an a first rotary member are disposed across each other to constitute a nip point at which a yarn is twisted, and a second rotary member, on which the yarn is wound after the nipping thereof so that the upstre... | 03/10/1992 |
| 4928464 | Yarn produced by spinning with vacuum Vacuum spinning of yarn produces yarns having good properties, and which may have a wide variety of different effects and constructions. A core filament yarn may be fed into operative association with a nipped sliver or roving, and then fed to a perforate... | 05/29/1990 |
| 4829762 | Method and device for improving a yarn produced in the rotor of an open-end spinning apparatus A method and a device for improving a yarn produced with genuine twist in the rotor of an open-end spinning apparatus directs the yarn through a yarn take-off nozzle in a given yarn travel direction. The yarn is subsequently diverted from the given yarn t... | 05/16/1989 |
| 4790136 | Method and apparatus for the manufacture of glass fiber strand roving A glass fiber bulk strand roving that is made up of a multiplicity of strands, each of which is made up of a plurality of individual fibers, for example, 200 of such fibers. Each strand of the roving has a multiplicity of rather long, axially extending lo... | 12/13/1988 |
| 4776162 | Method and apparatus for the manufacture of glass fiber bulk strand roving A method and apparatus for the manufacture of a glass fiber bulk strand roving which is made up of a multiplicity of strands, each of which is made up of a plurality of individual fibers, for example, 200 of such fibers. Each strand of the roving has a mu... | 10/11/1988 |
| 4741151 | Method and apparatus for the manufacture of glass fiber bulk strand roving A glass fiber bulk strand roving that is made up of a multiplicity of strands, each of which is made up of a plurality of individual fibers, for example, 200 of such fibers. Each strand of the roving has a multiplicity of rather long, axially extending lo... | 05/03/1988 |
| 4719744 | Vacuum spinning method Vacuum spinning of yarn produces yarns having good properties, and which may have a wide variety of different effects and constructions. A core filament yarn may be fed into operative association with a nipped sliver or roving, and then fed to a perforate... | 01/19/1988 |
| 4713931 | Apparatus for vacuum spinning Vacuum spun yarn is produced that has strength property approaching that of ring spun yarn, and significantly greater than air jet spun yarn, and may be produced at speeds greatly in excess of production speeds for ring spun yarn. An elongated hollow shaf... | 12/22/1987 |
| 4635435 | Vacuum spinning from sliver Yarn having properties approaching that of ring spun yarn is produced by vacuum spinning, including directly from sliver. The elongated hollow shaft of the vacuum spinning apparatus has a vacuum reservoir, or interior chamber, that is generally in the sha... | 01/13/1987 |
| 4507913 | Vacuum spinning An unusual spun yarn is produced by feeding fibers or a sliver or roving into the interior of a hollow shaft. The shaft includes a perforated portion, and a vacuum is applied at the exterior of the shaft. The shaft is mounted for free rotation about an ax... | 04/02/1985 |
| 4399649 | Spinning flyer construction A spinning flyer comprises a rotatable flyer having spaced apart substantially parallel flyer arms with a central web portion. A head projects outwardly from the web portion in an opposite direction from the arms and a twist crown is slidably engageable o... | 08/23/1983 |
| 4395873 | Process of and apparatus for spinning a bundle of textile fibres having no appreciable twist A bundle of textile fibres 1, e.g. a sliver or roving supplied by a drafting apparatus 2, is passed over a frictional surface 7 provided by a rotary disc 6 so that the surface 7 moves transversely to the path of movement of the bundle 1. The resultant twi... | 08/02/1983 |
| 4333307 | Friction rotor A friction rotor for false-twisting threads is provided with a coating of particles which are harder than the material from which the rotor has been made to provide a surface of harder particles which contact the thread as it passes over the rotor for fal... | 06/08/1982 |
| 4322944 | Method of and apparatus for break spinning yarn Method of and apparatus for break spinning yarn in a spinning machine. A fiber ribbon is formed into a fiber ribbon, the ribbon is false twisted in a first twisting element, staple fiber ends are lifted from the false twisted ribbon in a second, re-spinni... | 04/06/1982 |
| 4258541 | Open-end rotor with thread draw-off tube A twisting element placed at the outlet of a high-speed rotor of a freed-fiber spinning device is constituted by a portion of turn of helical wire which is jammed against the internal surface of an elbowed tube. The portion of helical turn is located with... | 03/31/1981 |
| 4228639 | Production of yarn In order to produce core yarn wrapped with at least two separate wrapper yarns of the same or opposite hands, core material is passed in succession through a pair of rotary hollow spindles, each carrying a package of wrapper yarn whereby the core material... | 10/21/1980 |
| 4164839 | Yarn process The invention relates to a process for the manufacture of a core/skin or core/sheath yarn, whose skin- or sheath-forming filament is wrapped around the core yarn in alternating "S" and "Z" directions. It relates furthermore to a device to carry out the pr... | 08/21/1979 |
| 4122653 | Grommet for roving machine A grommet for leading the roving to a flyer of a roving machine which grommet is composed of an oil impervious plastic material which may be molded and which has an upwardly flaring opening with a friction means therein for contacting the roving. The coni... | 10/31/1978 |
| 4068457 | Bi-component friction disc for yarn texturing A bi-component friction disc for imparting false twist to yarn to texture the yarn comprising an inner surface having a first portion of ceramic material surrounded by a second portion of polyurethane or rubber. Typically, one of these discs is installed ... | 01/17/1978 |
| 4002017 | Friction member for a mistwisting apparatus This is concerned with a friction element for a false twisting apparatus for yarns, whereby a friction element consisting of a hard material has a longitudinal groovelike composition on the surface thereof extending parallel with the axis of rotation of t... | 01/11/1977 |
| 4000605 | Method for producing a crimped yarn Method for producing a crimped yarn in which a thermoplastic yarn is false twisted at a speed exceeding 300 m/min. by using a twisting tube comprising a friction twisting surface of wear-resistant material having a high frictional coefficient, the false t... | 01/04/1977 |
| 3993021 | Transfer device A transfer device especially adapted for transferring electrographic toner powder images to plain paper, the transfer device including an apertured, electrically conductive support member overlying which is a surface layer in the form of a pile fabric hav... | 11/23/1976 |
| 3986332 | Thread-draw-off guide attached to a spinning rotor of an open-end spinning unit An improved thread-draw-off guide attached to a spinning rotor of an open-end spinning unit. The thread-draw-off guide is provided with a cylindrical annular guide portion and a radial outer surface extended outward from the cylindrical annular guide port... | 10/19/1976 |
| 3965661 | Thread drawoff tube for an open-end spinning unit In a spinning apparatus comprising a spinning rotor and a centrally arranged thread drawoff tube for drawing off thread from the spinning chamber, an improved thread drawoff tube having a thread passage for delivering the thread from the tube is provided,... | 06/29/1976 |
| 3948034 | False twisting filamentary yarns A method for false twisting filamentary yarn using a friction false twist device comprising a rotatable hollow spindle with a friction surface or bush mounted at one end thereof.... | 04/06/1976 |
| 3938314 | False-twist texturing process with hollow friction twist tubes False-twist texturing processes which apply twist with hollow friction tubes, fitted at each end with a toroidal bushing, are improved by using a high friction bushing at the yarn inlet and a lower friction bushing at the yarn outlet. Further improvements... | 02/17/1976 |
