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| Number | Title | Issue Date |
| 7288306 | Textile substrate having low variable twist yarn A textile substrate is made from two or more strands of yarn that are twisted together using a very low variable twist level. The amount of slight twist and variation in the twist are effective to give the finished carpet made from the textile substrate a uniform ap... | 10/30/2007 |
| 7096655 | Method and apparatus for manufacturing a singles ring yarn In a process for manufacturing a singles ring yarn, firstly a first twist is supplied to a strand of traveling drafted fibers at a false twist device for producing a preliminary singles yarn. The false twist device rotates at a first speed for twisting the fibers. I... | 08/29/2006 |
| 6834489 | False twist texturing apparatus A false twist texturing apparatus for false twist texturing a plurality of synthetic yarns in a plurality of processing stations, which each comprise a plurality of feed roll systems, a primary heater, a cooling device, a false twist unit, a secondary heater, and a ... | 12/28/2004 |
| 6715276 | False twist yarns and production method and production device therefor A false twist yam including synthetic fiber yam having elongation, crimp rigidity, crimp appearance stretch ratio, dry heat shrinkage stress maximum value, deformation degree of single filament and entanglement number in specific ranges respectively. The yam has goo... | 04/06/2004 |
| 6672047 | Processes of preparing partially oriented and draw textured poly(trimethylene terephthalate) yarns A stable partially oriented poly(trimethylene terephthalate) yarn suitable for use in subsequent drawing and/or draw-texturing operations characterized by an elongation to break of at least 110%, and a process for false-twist texturing a partially oriente... | 01/06/2004 |
| 6430912 | Yarn false twist texturing apparatus A yarn false twist texturing apparatus having a plurality of side by side processing stations for texturing a plurality of thermoplastic yarns, wherein at each station a first feed system withdraws the yarn from a feed yarn package, and advances the yarn ... | 08/13/2002 |
| 6393817 | Method and relative equipment for coupling an elastomeric yarn to an inextensible yarn Machine for combining an elastomer thread (81) with an unextendable thread (11) wound on respective spools (80,10), which comprises a first pair (20) of rollers for driving the unextendable thread (11), a heating oven (30), a false-twisting group (40), a ... | 05/28/2002 |
| 6021632 | Device for producing thick and thin effects in a filament yarn An apparatus for producing thick/thin effects in a filament yarn, whereby between inlet and outlet gallets or pairs of pinch rollers, in a stretching zone, the filament yarn contacts the periphery of at least one rotating disk which is heated and is forme... | 02/08/2000 |
| 5943852 | Method of an apparatus for producing thick/thin and/or color effects yarn A thick/thin and/or color effect composite yarn is produced by depositing a sheath of one or more effect threads on a thick/thin filament yarn in which the thick regions are incompletely stretched, and the resulting assembly is then subjected to stretchin... | 08/31/1999 |
| 5890355 | Method of and apparatus for producing thick/thin effects in an incompletely-oriented filamentary precursor yarn A method of and apparatus for producing a thin/thick effect yarn provides a thin/thick effect by segmentwise stretching of a filamentary precursor yarn which is combined with a fully-stretched filamentary precursor yarn so that the latter supports the for... | 04/06/1999 |
| 5758483 | Twisting apparatus Apparatus for twisting a travelling strand includes a rotary structure rotatable about a rotational axis X--X and a series of pulleys mounted on the structure in an array disposed about the rotational axis X--X with each pulley in the series mounted on th... | 06/02/1998 |
| 5723217 | Polyolefin fibers and their fabrics Novel fibers have been made from reactor grade isotactic poly-alpha-olefin wherein polypropylene is produced by single-site catalysis and has a melt flow rate of greater than zero to about 5,000, MWD in the range of about 1.0 to about 3.5.... | 03/03/1998 |
| 5487859 | Process of making fine polyester hollow filaments A post-coalescence melt-spinning process for preparing fine undrawn hollow polyester filaments having excellent mechanical quality and uniformity at high speeds (2-5 km/min) involving selection of polymer viscosity and spinning conditions, whereby the voi... | 01/30/1996 |
| 5481861 | Method of making a composite elastic yarn A method of making a composite yarn comprising a spandex core yarn and a thermoplastic wrapping yarn in which both yarns are free to extend and contract freely one relative to the other while retaining sufficient cohesion to prevent their separation. The ... | 01/09/1996 |
| 5477669 | Process for stretching staple fibers and staple fibers produced thereby A process for stretching natural staple fibers to reduce the diameter includes the steps of treating a substantially untwisted traveling assembly of natural fibers to plasticize the natural fibers, twisting the traveling assembly sufficiently to substanti... | 12/26/1995 |
| 5462790 | Combined and multi-component false-twist textured filament yarn, production method thereof, and knitted/woven fabric using the yarn In a polyester multi-filament yarn consisting of at least two kinds of false twisted filament yarns having different sectional shapes, the present invention relates to a combined and multi-component false twisted filament yarn which comprises at least one... | 10/31/1995 |
| 5439626 | Process for making hollow nylon filaments A melt spinning process and the nylon hollow filaments and yarns made by such process which includes extruding molten nylon polymer having a relative viscosity (RV) of at least about 50 and a melting point (TM) of about 210° C. to about 310° ... | 08/08/1995 |
| 5417046 | Method of manufacturing a composite yarn having a spandex core and a texturized thermoplastic covering A method of manufacturing a composite yarn and composite yarn produced thereby in which a spandex yarn is fed to an air entangling or covering jet while being pre-elongated. Simultaneously, a multifilament partially oriented thermoplastic yarn is fed to t... | 05/23/1995 |
| 5417902 | Process of making polyester mixed yarns with fine filaments Polyester mixed fine filament yarns having excellent mechanical quality and uniformity, and preferably with a balance of good dyeability and shrinkage, are prepared by a simplified direct spin-orientation process by selection of polymer and spinning condi... | 05/23/1995 |
| 5407621 | Process for preparing polyester fine filaments Polyester fine filaments having excellent mechanical quality and uniformity, and preferably with a balance of good dyeability and shrinkage, are prepared by a simplified direct spin-orientation process by selection of polymer viscosity and spinning condit... | 04/18/1995 |
| 5356582 | Continuous hollow filament, yarns, and tows Hollow polyester undrawn filaments having excellent mechanical quality and uniformity are prepared by a simplified post-coalescence melt spinning process at speeds of e.g. 2-5 km/min by selection of polymer and spinning conditions whereby the void content... | 10/18/1994 |
| 5353583 | Apparatus for heat treating synthetic yarn An apparatus for heat treating a synthetic yarn comprises a heater body for completely or partially encircling the synthetic yarn, which is being false twisted or being drawn and false twisted, in a non-contacting condition therewith, a heating member dis... | 10/11/1994 |
| 5146739 | Yarn false twist texturing process and apparatus A yarn false twist texturing process and apparatus wherein the tension of the advancing yarn is monitored. The resulting signal is processed through a time filter to produce a time averaged signal, and the time averaged signal is compared with a set point... | 09/15/1992 |
| 5138829 | Apparatus for heat treating a synthetic yarn An apparatus for heat treating a synthetic yarn comprises a heater body for completely or partially encircling the synthetic yarn, which is being false twisted or being drawn and false twisted, in a condition non-contacting therewith, a heating member dis... | 08/18/1992 |
| 5083419 | Method of producing a yarn and an apparatus for carrying out this method In a method and apparatus for producing a yarn, a synthetic pre-oriented multifilament yarn is fed at a first velocity to a non-heated pin having a diameter less than 10 mm. After turning the yarn around the pin for an angle between 270° and 360°, the y... | 01/28/1992 |
| 5034174 | Texturing yarns Modifying a polyester with special chain-brancher residues in carefully controlled amounts to provide a draw-texturing feed yarn that can be draw-textured at a speed of 1,000 mpm without excessive filament breaks, and with other advantages in the resultin... | 07/23/1991 |
| 4969322 | Ultra-soft and flat multifilament yarn and process for the production thereof A flat multifilament yarn having a very soft unique touch is obtained by arranging two or more types of multifilament yarns having different drawings properties in parallel, and applying a false twisting procedure which includes a twist applying and twist... | 11/13/1990 |
| 4966740 | Texturing polyester yarns Modifying a polyester with tetraethyl silicate or like oxysilicon chain-brancher to provide a draw-texturing feed yarn that can be draw-textured at a speed of at least 500 mpm without excessive filament breaks, and with other advantages in the resulting t... | 10/30/1990 |
| 4955189 | Worsted yarn-like false-twisted yarn Disclosed is a worsted yarn-like false-twisted yarn composed of large-denier multifilaments having a thickness of at least 4 de and small-denier multifilaments having a thickness of 0.7 to 2 de, which comprises (a) alternately twisted yarn-like wrapped po... | 09/11/1990 |
| 4773206 | False-twist textured yarn of polyamide and method and apparatus for producing the same A false-twist textured yarn composed of a polyamide filament yarn excellent in stretchability and heat durability suitable for sports wear is proposed, which is characterized in that the maximum value F (g) of a shrinkage force under dry heat and a heat t... | 09/27/1988 |
| 4736578 | Method for forming a slub yarn A method for forming a slub yarn uses conventional false-twist texturing apparatus in combination with one or more air jets to impart striations and/or neps and slubs to continuous filament yarns. Three process configurations are disclosed; each configura... | 04/12/1988 |
| 4674273 | Method to texturize synthetic yarns Method to produce a spun-like textured yarn comprised of one yarn which is substantially fully oriented and the other yarn is partially oriented. The method involves plying the yarns in the draw zone before being pre-textured. The ply point of the plied y... | 06/23/1987 |
| 4656825 | Sewing thread and method for manufacturing the same A method for manufacturing a sewing thread comprising the following steps: drawing an undrawn polyester multifilament yarn; preliminarily heat treating the drawn yarn at an effective heat treating temperature before false twisting; then, false twisting the heat tre... | 04/14/1987 |
| 4648240 | Continuous high speed spin-draw-texturing process for nylon yarn A continuous high speed spin-draw-false twist texturing process for producing a textured nylon yarn having high yarn uniformity is disclosed. The process comprises the steps of (a) melt-spinning a plurality of nylon filaments from nylon polymer; (b) cooli... | 03/10/1987 |
| 4646514 | Partially oriented nylon yarn and process An improved partially-oriented nylon 66 (PON) spinning process and product are provided by increasing the molecular weight well above the levels customary for apparel end uses.... | 03/03/1987 |
| 4578940 | Method for manufacturing sewing thread A method for manufacturing a sewing thread comprising the following steps: drawing an undrawn polyester multifilament yarn; preliminarily heat treating the drawn yarn at an effective heat treating temperature before false twisting; then, false twisting the heat tre... | 04/01/1986 |
| 4562694 | Device for attachment to drawtwister machines to produce multifilament yarns with S or Z twist effect The present invention relates to the manufacture of textile multifilament yarns and, in particular, to a device for twisting multifilament yarns in conventional drawtwister machines. The device includes a pair of twisting rollers mounted to rotate freely ... | 01/07/1986 |
| 4539805 | Process and apparatus for producing easily dyeable polyester false-twisted yarns A false-twisted polyester yarn of good dyeing and mechanical properties is produced by a process wherein a yarn consisting of an as-spun polyester fiber having a mean birefrigence index (Ɗn) of from 15×10-3 to 150×10-3 is heat-tre... | 09/10/1985 |
| 4523428 | Process for manufacturing textured multifilament yarn having alternating twist A specially designed multifilament textured yarn has alternating twists therein. A woven or knitted fabric manufactured from the yarn has a handling similar to that obtained by a hard twist yarn or a true twist yarn and provides pattern with a heather lik... | 06/18/1985 |
| 4464894 | Spun-like continuous multifilament yarn A process for producing a continuous multifilament yarn of melt-spinnable, polymeric material comprising simultaneously draw texturing two partially oriented feeder yarn ends having different molecular orientation due to their respective spinning operatio... | 08/14/1984 |
