Jet Interlaced Or Intermingled Patents (Class 57/908)
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Patent number: 4897989Abstract: A novel pile fabric and method of making the pile fabric which employs a three-ply yarn having one yarn being textured and the other two yarns being non-textured to provide a wool-like appearance to the fabric and eliminate the tendency of such a fabric to finger mark.Type: GrantFiled: October 14, 1988Date of Patent: February 6, 1990Assignee: Milliken Research CorporationInventor: Coy J. Gray
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Patent number: 4877572Abstract: A process for the production of high-quality carpet yarn from PBT having an intrinsic viscosity of 0.9 to 1.2 comprising an integrated spinning-draw texturing process, employing a transport speed to the texturing unit of at least 1,800 m/min.Type: GrantFiled: November 14, 1988Date of Patent: October 31, 1989Assignee: Davy McKee AktiengesellschaftInventors: Peter G. Clarke, Ulrich Mirwaldt, Dietmar Wandel
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Patent number: 4874563Abstract: A continuous, substantially uniform tow useful in forming composite molded articles is prepared by forming a continuous tow of continuous carbon fibers, forming a continuous tow of thermoplastic polymer fibers to a selected width, uniformly and continuously spreading the carbon fiber two to a width that is essentially the same as the selected width for the thermoplastic polymer fiber tow, intermixing the tows intimately, uniformly and continuously, in a relatively tension-free state, and continuosuly withdrawing the intermixed tow.Type: GrantFiled: December 5, 1986Date of Patent: October 17, 1989Assignee: BASF Structural Materials Inc.Inventors: Paul McMahon, Tai-Shung Chung, Lincoln Ying
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Patent number: 4871491Abstract: A composite article is prepared by forming a continuous tow of continuous carbon fibers, forming a continuous tow of thermoplastic polymer fibers, uniformly and continuously spreading the thermoplastic polymer fibers to a selected width, uniformly and continuously spreading the carbon fiber tow to a width that is essentially the same as the selected width for the thermoplastic polymer fiber tow, intermixing the tows intimately, uniformly and continuously, in a relatively tension-free state, continuously withdrawing the intermixed tow and applying the tow to a mold and heating the tow.Type: GrantFiled: January 6, 1987Date of Patent: October 3, 1989Assignee: BASF Structural Materials Inc.Inventors: Paul E. McMahon, Tai-Shung Chung, Lincoln Ying
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Patent number: 4861633Abstract: A superior cylindrical filter having a long filtration life is provided, which filter is obtained by using interlaced filaments comprising 20% by weight or more of hot-melt-adhesive composite filaments composed of plurality of components having a melting point difference of 20.degree. C. or more and having two or more interlaced portions per meter of which the interlacing strength is 15.times.D mg or more, wound up on a core material in a cylindrical form under a tension of 15.times.D mg or less, the contact points of the interlaced filaments being bonded by melt-adhesion of the low melting component of the composite filaments.Type: GrantFiled: May 19, 1988Date of Patent: August 29, 1989Assignee: Chisso CorporationInventor: Morio Abe
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Patent number: 4805845Abstract: After winding of a thread into a package, the thread is severed and, in order to prevent whirling of the thread end around the package, the end portion is interlaced with the package surface during the braking phase of the package. Interlacing is performed by blowing pressure jet against the thread end and the package surface within an interlacing chamber defined by a pivotally mounted shoe from which the pressure jet is emitted.Type: GrantFiled: August 19, 1987Date of Patent: February 21, 1989Assignee: Rieter Machine Works, Ltd.Inventors: Jakob Fluck, Felix Graf
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Patent number: 4794751Abstract: A method for sealing a passage (2) in a wall (3) for the unsupported transport of continuously accumulating tows (1), in which the pressure difference on both sides of the wall (3) is compensated by an additional gaseous medium (5).Type: GrantFiled: March 10, 1987Date of Patent: January 3, 1989Assignee: Bayer AktiengesellschaftInventors: Wolfram Wagner, Peter R. Nyssen, Dieter Paulini, Dirk Berkenhaus, Siegfried Kulisch
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Patent number: 4788816Abstract: 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 yarns is located above the entrance to the heater in the draw zone.Type: GrantFiled: February 23, 1988Date of Patent: December 6, 1988Assignee: Milliken Research CorporationInventors: Larry R. Clements, Paul W. Eschenbach
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Patent number: 4779408Abstract: A ply-twisted crimped continuous filament yarn having at least 40 twist reversals per meter and particularly suited for freize style carpets and the process for making the yarn is disclosed.Type: GrantFiled: June 4, 1987Date of Patent: October 25, 1988Assignee: E. I. Du Pont de Nemours and CompanyInventor: Thomas L. Nelson
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Patent number: 4698260Abstract: A polyester multi-filament yarn having uneven thickness along the length, comprising a bulged portion in which a part of filaments are separated or bulged out from the yarn surface, and at least a portion of the filament composing the bulged portion has a wrinkled area disposed intermittently along the length of the filament, each area being formed of a plurality of corrugations created by upheaval of the surface of the filament, each corrugation encircling substantially the entire periphery of the filament perpendicular to the axis of the filament. The yarn is suitably utilized for manufacturing a fabric having a raw silk touch.Type: GrantFiled: September 5, 1986Date of Patent: October 6, 1987Assignee: Teijin LimitedInventors: Yoshiyuki Sasaki, Katsuyuki Kasaoka
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Patent number: 4675142Abstract: A method of high-speed spinning polyamidic fiber, comprising the steps of extruding the polymer in the molten state, cooling the filaments by blowing, and finishing, which is performed in two stages, one upstream and the other downstream of the interlacing device.The latter device includes a containing enclosure wherein the interlacing nozzle and at least two pairs of yarn thread guides are accommodated.Fibers obtained with the method have 5 to 29 knots per meter.Type: GrantFiled: December 31, 1984Date of Patent: June 23, 1987Assignee: Snia Fibre S.p.A.Inventors: Francesco D'Andolfo, Fulvio Grampa, Giuseppe Mazzacchera, Aurelio Rolando
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Patent number: 4656825Abstract: 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 treated synthetic multifilament yarn at a temperature of at least 150.degree. C.subjecting the false twisted yarn to a fluid jet treatment under the slackened condition so as to intermittently interlace in a lengthwise direction constituent filaments of the yarn and so as to form protruded portions protruding from the surface of the yarn; andpost-heat treating the interlaced yarn at an effective heat treating temperature being higher than the heat treating temperature of the false twisting.By this method, a thread suitable for sewing can be obtained.Type: GrantFiled: October 25, 1984Date of Patent: April 14, 1987Assignee: Toray Industries, Inc.Inventors: Takao Negishi, Teiryo Kojima
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Patent number: 4628682Abstract: A twisted spun fibre yarn with interlaced plies, in which the fibres have a spiral structure having open zones and closed zones, the cohesion factor of the spun fibre yarn being less than 100 and preferably between 20 and 80, the torsion factor of the spun yarn having a value of between 25 and 40% of the torsion factor normally used in the conventional processes for a spun yarn of the same count.A method and apparatus is also described for its manufacture this involving the use of a pneumatic interlacing means and which may be used either continuously or discontinuously.Type: GrantFiled: July 3, 1984Date of Patent: December 16, 1986Assignee: Rhone-Poulenc FibresInventors: Michel Buzano, Michel Randon
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Patent number: 4610131Abstract: A boucle yarn is produced by entangling a drawn core yarn and an air textured, drawn effect yarn. The air textured, drawn effect yarn provides a plurality of randomly spaced curls or loops around the core yarn to produce the boucle yarn appearance. A number of the random curls or loops are embedded in the core yarn during the entangling process.Type: GrantFiled: January 6, 1986Date of Patent: September 9, 1986Assignee: Milliken Research CorporationInventors: Paul W. Eschenbach, Andre M. Goineau
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Patent number: 4608814Abstract: A method and apparatus is disclosed for producing a synthetic multifilament yarn having enhanced bulk and hand characteristics, and which is capable of high production rates. Specifically, the invention involves advancing each of at least two continuous multifilament yarn components along respective paths of travel, with a first component being advanced at a higher speed than that of a second component. Also, the second slower yarn component is guided upwardly through a liquid bath to moisten the same, while the first faster yarn component is advanced along an essentially linear path of travel and free of contact with the liquid bath, so that the degree of tension in the faster yarn component is minimized upstream of the air jet nozzle, to thereby permit full development of the loops, coils, bows or the like in the filaments thereof in the air jet nozzle.Type: GrantFiled: September 14, 1984Date of Patent: September 2, 1986Assignee: Barmag Barmer Maschinenfabrik AGInventors: George F. Moore, Jr., Eberhard Krenzer
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Patent number: 4598538Abstract: A method and apparatus is disclsoed for producing a synthetic multifilament yarn having enhanced bulk and hand characteristics, and which is capable of high production rates. Specifically, the invention involves advancing each of at least two continuous multifilament yarn components along respective paths of travel, with a first component being advanced at a higher speed than that of a second component. Also, the second slower yarn component is guided through a liquid bath to moisten the same, while the first faster yarn component is advanced along an essentially linear path of travel and free of contact with the liquid bath, so that the degree of tension in the faster yarn component is minimized upstream of the air jet nozzle, to thereby permit full development of the loops, coils, bows or the like in the filaments thereof in the air jet nozzle.Type: GrantFiled: September 14, 1984Date of Patent: July 8, 1986Inventor: George F. Moore, Jr.
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Patent number: 4596115Abstract: A method of and apparatus for manufacturing a textured yarn. The method comprises introducing plural yarns simultaneously in a state out of contact with each other into a belt type false twister including two crossing endless belts travelling in directions from each other and then exerting a compressed fluid on the plural yarns to partially intertwine the yarns. The intertwined yarns are wound up as a single textured yarn.Type: GrantFiled: July 10, 1984Date of Patent: June 24, 1986Assignee: Murata Kikai Kabushiki KaishaInventors: Yoshiyasu Maeda, Fumiaki Nakaji
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Patent number: 4578940Abstract: 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 treated synthetic multifilament yarn at a temperature of at least 150.degree. C.;subjecting the false twisted yarn to a fluid jet treatment under the slackened condition so as to intermittently interlace in a lengthwise direction constituent filaments of the yarn and so as to form protruded portions protruding from the surface of the yarn; andpost-heat treating the interlaced yarn at an effective heat treating temperature being higher than the heat treating temperature of the false twisting.By this method, a thread suitable for sewing can be obtained.Type: GrantFiled: August 14, 1981Date of Patent: April 1, 1986Assignee: Toray Industries, Inc.Inventors: Takao Negishi, Teiryo Kojima
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Patent number: 4529655Abstract: An interlaced polyester yarn having an improved combination of low shrinkage properties and high tenacity.Type: GrantFiled: October 17, 1984Date of Patent: July 16, 1985Assignee: E. I. Du Pont de Nemours and CompanyInventor: Russell N. Palmer
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Patent number: 4523426Abstract: In accordance with the invention there is provided a synthetic sewing thread of multifilament construction characterized by its ability to lessen the buildup of heat at the needle of a high speed sewing machine during the operation thereof, even during the sewing of relatively heavy weight fabrics, so as to allow the thread to be utilized as a substitute for the sewing threads conventionally required in high temperature sewing applications, such as cotton spun yarns or cotton sheathed core yarns. The thread is of substantially uniform cross section throughout, devoid of alternating thick and thin areas to provide a smooth more uniform sewing thread. The thread comprises a plurality of texturized continuous synthetic filaments, the filaments having a nonlinear crimped configuration providing bulk to the thread and being entangled with one another along the length of the thread by being directed through a fluid jet under a relatively high pressure of at least 80 p.s.i. and being further bound together by twist.Type: GrantFiled: February 10, 1984Date of Patent: June 18, 1985Assignee: Collins & Aikman Corp.Inventors: Eddie W. Scott, Errol N. Seltzer
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Patent number: 4513565Abstract: 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 treated synthetic multifilament yarn at a temperature of at least 150.degree. C.;subjecting the false twisted yarn to a fluid jet treatment under the slackened condition so as to intermittently interlace in a lengthwise direction constituent filaments of the yarn and so as to form protruded portions protruding from the surface of the yarn; andpost-heat treating the interlaced yarn at an effective heat treating temperature being higher than the heat treating temperature of the false twisting.By this method, a thread suitable for sewing can be obtained.Type: GrantFiled: February 1, 1983Date of Patent: April 30, 1985Assignee: Toray Industries, Inc.Inventors: Takao Negishi, Teiryo Kojima
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Patent number: 4489542Abstract: Spun-like fiber yarn with interlaced threads, in which the fibers are of the same length. The spun yarn has alternating open, relatively bulky zones and closed, relatively compact zones. The open zones have a non-twisted structure with parallel strands. In the closed zones, the fibers are interlaced and non-bonded. The open zones furthermore have free strands. The cohesion factor of the spun fiber yarns is greater than 100 and preferably being between 120 and 180. The spun yarns are produced by a process in which at least one sliver of fibers of equal lengths is fed to a drawing unit and then to at least one open single-jet interlacing nozzle fed with gaseous fluid at a pressure of between 1 and 6 bars, the angle formed by the axis of the channel for the passage of the yarn in the nozzle and the yarn being between 10.degree. and 80.degree., and the spun yarn obtained being wound up at a speed greater than 50 m/min.Type: GrantFiled: December 23, 1982Date of Patent: December 25, 1984Assignee: Rhone-Poulenc FibresInventors: Michel Buzano, Joanny Danancier
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Patent number: 4480434Abstract: An improved air nozzle for processing a fiber bundle such as a staple fiber roving or a multifilament yarn. The air nozzle comprises a narrow channel and a wide channel in series, and part of the narrow channel protrudes into the inside of the wide channel so that a double tube is formed in the connecting portion thereof. Further, at least one jet is provided in the wide channel in the vicinity of the protruding end of the narrow channel. Due to this construction, no turbulence occurs in the wide channel during operation and an excellent sucking effect, as well as an excellent twisting effect, is obtained.Type: GrantFiled: September 30, 1982Date of Patent: November 6, 1984Assignees: Kabushiki Kaisha Toyoda Jidoshokki Seisakusho, Kabushiki Kaisha Toyota ChuoKenkyuschoInventors: Niimi Hiroshi, Anahara Meiji, Muramatsu Shigeru
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Patent number: 4478036Abstract: Method and apparatus to produce a continuous filament textured yarn with unusually low crimp contraction and intermittent crimp and molecular orientation along its length. This is accomplished by the use of an electromagnetic tension device to control the draw in the yarn being supplied to a false twist device driven at a speed to provide low false twist in the yarn being twisted. The apparatus includes a control between the electromagnetic tension control and the yarn supply package to prevent the yarn coming off the package from rotating in a full balloon path and consequently prevent entanglement of the yarn in the yarn guides as it passes to a yarn consuming machine.Type: GrantFiled: February 22, 1983Date of Patent: October 23, 1984Assignee: Milliken Research CorporationInventor: Edgar H. Pittman
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Patent number: 4467594Abstract: Method to produce spun-like yarn and product produced thereby by combining a core yarn and an effect yarn in an air jet. The removal speed of the combined yarn from the air jet is intermediate of the speeds of the draw rolls to produce a composite yarn having crunodal loops in one of the combined yarns.Type: GrantFiled: January 3, 1983Date of Patent: August 28, 1984Assignee: Milliken Research CorporationInventor: Paul W. Eschenbach
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Patent number: 4464894Abstract: 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 operations, including plying the two yarn ends together, friction texturing and air jet interlacing the resulting composite yarn. Also disclosed is the spun-like continuous multifilament yarn produced by the disclosed process as well as the resulting fabric made from the yarn.Type: GrantFiled: April 26, 1979Date of Patent: August 14, 1984Assignee: Phillips Petroleum CompanyInventor: James C. Leininger
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Patent number: 4450678Abstract: An air nozzle, suitable for producing a fasciated yarn, having at least one jet in each of narrow and wide passages along the traveling direction of the fiber bundle. Each jet is directed to generate a vortex whirling reversely from that of the other passage. The twist imparted to the fiber bundle by the vortex generated in the wide passage is restrained by the vortex whirling reversely thereto in the narrow passage. As a result, circumferential fibers of the fiber bundle are less twisted relative to the core portion thereof. During the untwisting operation of the vortex of the wide passage, the circumferential fibers are entangled around the core portion with a twist corresponding to the difference from the core portion, thereby obtaining a well-fasciated yarn.Type: GrantFiled: December 21, 1982Date of Patent: May 29, 1984Assignees: Kabushiki Kaisha Toyoda Jidoshokki Seisakusho, Kabushiki Kaisha Toyota Chuo KenkyushoInventors: Susumu Kawabata, Hiroshi Niimi, Meiji Anahara, Yoshihisa Suzuki, Hiroshi Omori
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Patent number: 4439487Abstract: Nylon/polyester bicomponent filaments of dumbbell cross-sectional shape having a jagged interfacial surface, the polyester being an antimony-free copolyester having 5-(sodium sulfo) isophthalate units. The surface of the bicomponent filament being at least 75% of one of the polymeric components.Type: GrantFiled: December 17, 1982Date of Patent: March 27, 1984Assignee: E. I. Du Pont de Nemours & CompanyInventor: Uel D. Jennings
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Patent number: 4437301Abstract: Method to produce an entangled yarn product by air entangling a drawn core yarn and a drawn effect yarn. The effect yarn draw ratio is higher than the core yarn draw ratio which results in a composite yarn in which the birefringence of the core yarn is greater than that of the effect yarn.Type: GrantFiled: March 25, 1982Date of Patent: March 20, 1984Assignee: Milliken Research CorporationInventors: Paul W. Eschenbach, Andre M. Goineau
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Patent number: 4430853Abstract: In accordance with the invention there is provided a synthetic sewing thread of multifilament construction characterized by its ability to lessen the buildup of heat at the needle of a high speed sewing machine during the operation thereof, even during the sewing of relatively heavy weight fabrics, so as to allow the thread to be utilized as a substitute for the sewing threads conventionally required in high temperature sewing applications, such as cotton spun yarns or cotton sheathed core yarns. The thread comprises a plurality of texturized continuous synthetic filaments, the filaments having a nonlinear crimped configuration providing bulk to the thread and being entangled with one another along the length of the thread and being further bound together by twist. The thread has a heat protective lubricant coating applied thereto and penetrating the filament bundle.Type: GrantFiled: November 20, 1981Date of Patent: February 14, 1984Assignee: Collins & Aikman CorporationInventors: Eddie W. Scott, Errol N. Seltzer
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Patent number: 4416935Abstract: A bulked extensible yarn of entangled convoluted undrawn synthetic continuous nylon filaments having a plurality of crunodal filament loops randomly spaced along its surface and a greige break elongation of at least 150% performs effectively as an extensible weft yarn in tire cord fabrics for single ply radial tires.Type: GrantFiled: December 11, 1981Date of Patent: November 22, 1983Assignee: E. I. Du Pont de Nemours & Co.Inventors: Laurence N. Bascom, Peter S. K. Leung
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Patent number: 4408445Abstract: A bulky, tangled, twisted singles yarn is provided having good bulk and aesthetics. The yarn also has exceptional column strength and resistance of bending and untwisting. The yarn is particularly useful as a sweater yarn or half-hose yarn. The yarn is produced by passing twisted singles yarn having latent bulk through a chamber wherein the yarn is tangled and heated by means of a heated fluid such as superheated steam.Type: GrantFiled: September 14, 1981Date of Patent: October 11, 1983Assignee: Monsanto CompanyInventor: Arnold E. Wilkie
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Patent number: 4408446Abstract: A bulky, heatset, tangled, twisted singles carpet yarn is provided having exceptional column strength and resistance to bending and untwisting. Cut pile produced therefrom has excellent tuft rigidity and endpoint definition. The yarn is produced by passing a bulked, twisted singles yarn through a chamber wherein the yarn is tangled and heatset with a heated fluid such as steam.Type: GrantFiled: September 18, 1981Date of Patent: October 11, 1983Assignee: Monsanto CompanyInventor: Arnold E. Wilkie
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Patent number: 4365466Abstract: A polyester spun-like textured yarn comprising: a core portion; and a wrapper portion continuously and alternately wrapping about the core portion. The core portion comprises a polyester multifilament yarn (A) which is not dyeable with ionic dyes. The wrapper portion comprises polyester multifilament yarns (B) and (C) which are entangled with each other. The yarn (B) is not dyeable with ionic dyes, and the yarn (C) is dyeable with ionic dyes. Some of the filaments constituting the wrapper portion are entangled and interlaced with some of the filaments constituting the core portion in the boundary region between the core and wrapper portions.Type: GrantFiled: July 9, 1981Date of Patent: December 28, 1982Assignee: Teijin LimitedInventors: Takumi Horiuchi, Yoji Kuroda, Kenji Hukatsu
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Patent number: 4351148Abstract: Apparatus and method to provide a novel false twisted slub yarn by combining a core yarn and an effect yarn in a fluid tangling zone. The linear velocity of the effect yarn is raised to allow slubs to be produced in the combined yarn in an air jet apparatus.Type: GrantFiled: January 8, 1981Date of Patent: September 28, 1982Assignee: Milliken Research CorporationInventor: Paul W. Eschenbach
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Patent number: 4346552Abstract: A bulky textured multifilament yarn comprises sections of interlaced individual filaments and sections of non-interlaced individual filaments, wherein the interlaced and non-interlaced sections are formed alternately along the lengthwise direction of the yarn, the filaments in any predetermined length of the yarn are substantially identical in length, and some portions of the individual filaments protrude out from the axis of the yarn. The yarn is made by slackening a multifilament yarn treated by a false twisting operation, and then by interlacing the slackened multifilament yarn by means of a fluid jet stream while taking up the multifilament yarn.Type: GrantFiled: December 5, 1980Date of Patent: August 31, 1982Assignee: Toray Industries, Inc.Inventors: Takao Negishi, Kazuo Tomiita
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Patent number: 4345424Abstract: An effect yarn and process for manufacture thereof is disclosed when the effect comprises a slub that is formed after the yarn leaves the yarn package during later knitting or weaving operations. The effect yarn is particularly useful since it processes through such operations similar to conventional air-plied yarns.Type: GrantFiled: June 23, 1980Date of Patent: August 24, 1982Assignee: Akzona IncorporatedInventors: Michael A. Davis, Bron W. Spivey
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Patent number: 4343146Abstract: A novel synthetic heather yarn is comprised of a first yarn in the form a relatively loose matrix of crimped filaments which are randomly intermingled with portions of a bulked differentially-colored or colorable second yarn which contains frequent periodic color-point nodes of high filament entanglement and which nodes are free from filament intermingling with said first yarn. The combined yarn is made using fluid-jets first to make the nodes in the color-print yarn or yarns and then to combine the color-point with the matrix yarn in a subsequent filament intermingling zone.Type: GrantFiled: September 29, 1980Date of Patent: August 10, 1982Assignee: E. I. Du Pont de Nemours and CompanyInventor: Thomas L. Nelson
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Patent number: 4341063Abstract: Method to provide a novel air textured yarn by combining a cold drawn core yarn and a false twisted effect yarn in a fluid tangling zone.Type: GrantFiled: August 26, 1980Date of Patent: July 27, 1982Assignee: Milliken Research CorporationInventors: William F. Southerlin, Paul W. Eschenbach
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Patent number: 4330988Abstract: Apparatus and method to provide a novel false twisted slub yarn by combining a core yarn and an effect yarn in a fluid tangling zone. The linear velocity of the core and effect yarns is alternately raised and lowered to allow slubs to be produced in the combined yarn in an air jet apparatus.Type: GrantFiled: June 16, 1980Date of Patent: May 25, 1982Assignee: Milliken Research CorporationInventor: Paul W. Eschenbach
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Patent number: 4319447Abstract: A bulky continuous filament yarn, in which continuous filament core yarns of polymeric material are substantially straight and free from loops and comprise from about 65 to about 93 percent of the total filaments by weight while the remainder of the total filaments are continuous filament effect yarns having a denier per filament of up to 5.0 that are inserted between the filaments of the core yarn and protrude from the surface of the core yarn in a mixture of crunodal and arch-like loops, is made by feeding a larger denier yarn at low overfeed and a much smaller denier yarn at low to moderate overfeed through a jet supplied with ambient air.Type: GrantFiled: August 8, 1980Date of Patent: March 16, 1982Assignee: E. I. Du Pont de Nemours and CompanyInventor: Eugene R. Barron
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Patent number: 4304092Abstract: A method of producing a slub fiber is disclosed in which a metered core yarn is fed into a vortex generator and an effect yarn under continuous low level tension is fed into the balloon formed by the core yarn at the exit of the vortex generator such that the point at which the effect yarn contacts the core yarn balloon is free to move randomly, allowing the said effect yarn to form a randomized slub effect.The combined yarns are then passed through a texturing jet to more permanently bind the yarns together.Type: GrantFiled: June 18, 1980Date of Patent: December 8, 1981Assignee: Hercules IncorporatedInventors: Thomas P. Bridges, Paul R. Cox, Jr.
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Patent number: 4292799Abstract: Spun yarn-like textured polyester yarns comprised of two types of polyester multifilament component yarns and having broken filaments, in which textured yarns there is a difference in length between the component yarns, whereby high bulkiness is imparted thereto. The individual filaments of one of the component yarns have a fineness less than those of the other component yarn. The spun yarn-like textured yarns have satisfactory pilling resistance and frosting resistance.The spun yarn-like high bulky textured yarns can be produced by a process comprising doubling two types of undrawn polyester multifilament yarns having different properties through an intertwisting regulative device and simultaneously draw-texturing the doubled undrawn yarns.Type: GrantFiled: October 17, 1979Date of Patent: October 6, 1981Assignee: Toray Industries, Inc.Inventors: Yukio Otaki, Kazuo Umeda, Kiyoshi Nakagawa
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Patent number: 4280261Abstract: A coherent, bulked, continuous-filament, heather-dyeable yarn having a more natural, spun, wool-like appearance in carpets when dyed is produced by overfeeding lighter dyeing filaments to a greater degree than the darker dyeing ones through a turbulent fluid-jet intermingling zone.Type: GrantFiled: March 3, 1980Date of Patent: July 28, 1981Assignee: E. I. Du Pont de Nemours and CompanyInventor: Thomas L. Nelson
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Patent number: 4262481Abstract: Spun yarn-like high bulky textured polyester yarns comprised of two types of polyester multifilament component yarns A and B and having broken filaments, in which textured yarns there is a difference in length between the component yarns A and B, whereby very high bulkiness is imparted thereto. The individual filaments of the component yarn A have a fineness and an intrinsic viscosity less than those of the component yarns B. The spun yarn-like high bulky textured yarns have satisfactory pilling resistance and frosting resistance.The spun yarn-like high bulky textured yarns can be produced by a process comprising doubling two types of undrawn polyester multifilament yarns having different properties through an intertwisting regulative device and simultaneously draw-texturing the doubled undrawn yarns.Type: GrantFiled: February 21, 1979Date of Patent: April 21, 1981Assignee: Toray Industries, Inc.Inventors: Yukio Otaki, Kazuo Umeda, Kiyoshi Nakagawa
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Patent number: 4248036Abstract: A bulky continuous filament yarn, in which continuous filament core yarns of polymeric material are substantially straight and free from loops and comprise from about 65 to about 93 percent of the total filaments by weight while the remainder of the total filaments are continuous filament effect yarns having a denier per filament of up to 5.0 that are inserted between the filaments of the core yarn and protrude from the surface of the core yarn in a mixture of crunodal and arch-like loops, is made by feeding a larger denier yarn at low overfeed and a much smaller denier yarn at low to moderate overfeed through a jet supplied with ambient air.Type: GrantFiled: March 8, 1979Date of Patent: February 3, 1981Assignee: E. I. Du Pont de Nemours and CompanyInventor: Eugene R. Barron
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Patent number: 4242862Abstract: A polyester yarn composed of a plurality of individual fibrous materials such as endless filaments or fibers. Each of these fibrous material is provided with cross-sectional thicker portions, thinner cross sectional portions and intermediate thickness-size portions randomly distributed along the axial direction thereof in a particular condition of distribution of cross-sections of these fibrous material. The above-mentioned polyester yarn involved a textured yarn applied to a drawn polyester multifilament yarn having the above-mentioned basic condition. To produce the polyester yarn according to the present invention, it is the basic condition that the undrawn polyester multifilament yarn should be drawn under a condition of a drawing ratio below a natural draw ratio of undrawn filaments of said undrawn multifilament yarn and a drawing temperature above a crystallizing initiating temperature of said undrawn filaments.Type: GrantFiled: August 30, 1977Date of Patent: January 6, 1981Assignee: Toray Industries, Inc.Inventors: Takao Negishi, Kazuo Tomiita
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Patent number: 4228640Abstract: A method for producing ingrain spun-like yarn simulating a blended staple yarn is described wherein continuous filament yarn is produced which has characteristics similar to blended staple spun yarns. Fabrics made from the yarns described herein provide a fine grained heather appearance without the normal moire or plaiting effect seen in previous ingrain continuous filament yarn fabrics. The unusual continuous filament yarn described herein is made by a texturing process which involves the combination of two or more differently dyeable continuous synthetic yarns which are false twist textured followed by overfeeding to an air bulking means. The preferred method utilizes false twist texturing of synthetic filaments such as polyester, nylon, cellulose acetate or cellulose triacetate and mixtures thereof wherein two differently dyeable yarns are combined with an air bulking jet interposed to act on the false twist textured yarn while it has a high residual torque and subsequently decaying said torque.Type: GrantFiled: February 1, 1979Date of Patent: October 21, 1980Assignee: Fiber Industries, Inc.Inventor: James R. Talbot
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Patent number: 4222223Abstract: A coherent, bulked, continuous-filament, heather-dyeable yarn having a more natural, spun, wool-like appearance in carpets consists of lighter dyeing filaments which comprise 20-50% of the total yarn filaments and which are 15-45% longer than the darker dyeing filaments in the yarn. The yarn is produced by overfeeding the lighter dyeing filaments to a greater degree than the darker dyeing ones through a turbulent fluid-jet intermingling zone.Type: GrantFiled: December 15, 1978Date of Patent: September 16, 1980Assignee: E. I. Du Pont de Nemours and CompanyInventor: Thomas L. Nelson
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Patent number: RE31376Abstract: A continuous yarn structure comprising at least one yarn element formed from a plurality of continuous filaments or a plurality of staple fiber lengths, the yarn structure comprising periodically repeating lengths of high bulk, substantially unentangled continuous filaments or staple fiber lengths alternating with lengths of compacted continuous filaments of staple fiber lengths in which substantially all filaments or fiber lengths are mutually entangled throughout the volume of the compacted lengths.Also disclosed is a method for producing such yarn. The method comprises the steps of feeding at least one multiple filament yarn element or multiple staple fiber element under tension to a first treatment zone having a predetermined cross-sectional area; continuously directing a fluid at the yarn element in a direction substantially perpendicular to the travel of the element, the fluid being applied at a pressure of at least about 100 p.s.i.Type: GrantFiled: January 12, 1981Date of Patent: September 13, 1983Assignee: Bigelow-Sanford, Inc.Inventors: Richard W. Sheehan, David B. Parlin, Harry F. Jamrogowicz, John A. Patterson