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| Number | Title | Issue Date |
| 7174701 | Electrical resistance heater having a core material back twist verification with tracer A method of manufacturing a conductor assembly including the steps of winding and back twisting. The winding step includes winding an electrical conductor around a core material, the core material including at least one color differentiated portion, the core materia... | 02/13/2007 |
| 7168231 | High temperature resistant rope systems and methods A fire resistant rope and method of making the same. The fire resistant rope comprises a core formed of high tensile strength fibers and a jacket formed of high temperature resistant fibers, where the jacket covers the core. The core comprises a plurality of strands... | 01/30/2007 |
| 7155891 | Composite twist core-spun yarn and method and device for its production A substantially torqueless composite dual core-spun yarn (10) has a substantially inelastic central hard core (20) covered with a dual-spun fiber covering (30). The central hard core (20) has an elongation at break less than 50% and a Z o... | 01/02/2007 |
| 7035525 | Methods and apparatuses for correcting mechanical twist in optical fiber Methods and apparatuses negate a measured mechanical twist of an optical fiber by introducing a counteracting twist to bring the net mechanical twist closer to zero, which reduces the fiber's polarization mode dispersion (PMD). A spool of optical fiber having undesi... | 04/25/2006 |
| 6467250 | Method for the manufacture of elastic twisted yarns A method for the manufacture of an elastic twisted yarn has at least one outer yarn wound or twisted around an expanded, elastic core yarn. In a first process step the outer yarn is wound around the core yarn with a winding speed providing less than the n... | 10/22/2002 |
| 6430913 | Method of and apparatus for making twisted cable and the cable produced thereby A method of and an apparatus for making twisted electrical cable, such as 600 volt secondary distribution cable, and the twisted cable product are disclosed. The apparatus comprises a first plurality of stationary payoff reels each wound with a length of ... | 08/13/2002 |
| 6405519 | Composite, break-resistant sewing thread and method A composite, break-resistant sewing thread having a core of continuous multi-filament, non-stretch high-tenacity synthetic yarn and a cover of drafted staple fibers air-jet twisted around and covering the core for protecting the core from heat and frictio... | 06/18/2002 |
| 6370858 | Core yarn production method and apparatus A method and apparatus for producing core yarn in which a drafted fiber bundle and a core fiber are supplied to a nozzle block and a hollow guide shaft, and in which vortex air currents are ejected from spinning nozzles, in the nozzle block, to make the f... | 04/16/2002 |
| 6321519 | Jigs for creating coiled craft stock, and methods of using same Wire, or other material, is wrapped around a shaft as the shaft turns, producing a coil. After being slid off the end of the shaft, the coil can be re-coiled by repeating the process. By shaping the twice-coiled material, a variety of pleasing jewelry bea... | 11/27/2001 |
| 6240716 | Stable double covered elastic yarn, process for making same, and fabric comprising same A double-covered yarn based on a spandex core having a heat set of at least 50% and two sheath yarns wound in the same direction, a process for the preparation of such yarn and fabrics produced therefrom, are provided.... | 06/05/2001 |
| 6101804 | Method of and apparatus for making twisted cable and the cable produced thereby A method of and an apparatus for making twisted electrical cable, such as 600 volt secondary distribution (UD) cable, and the twisted cable product are disclosed. The apparatus comprises a first plurality of stationary payoff reels each wound with a lengt... | 08/15/2000 |
| 6098392 | Process for making multicolored yarns and the product thereof This invention relates to a new cable-twisting process for making yarns suitable for use in carpets. The process involves cable-twisting together two component yarns. At least one of the component yarns comprises two singles yarns co-twisted but not cable... | 08/08/2000 |
| 6023926 | Carpet styling yarn and process for making A carpet styling yarn comprises a core having at least two falsely twisted continuous yarns, and a single wrapper yarn spirally wrapped about the core. At least two of the core yarns are differently colored or differently colorable. The length of the sing... | 02/15/2000 |
| 6016647 | Manufacturing method and apparatus of steel cord for rubber product reinforcement A method for using a bunching type twisting machine to manufacture a steel cord made up of one core filament having a continuous wavy form and five to eight sheath filaments not having a wavy form disposed around the core filament, the cross-sectional sha... | 01/25/2000 |
| 5927059 | Method and apparatus for creating coiled craft stock An exemplary apparatus is a jig including a chuck having a plurality of radially movable members for controllably gripping a member inserted in an axial bore extending therethrough. The chuck is mounted on a hollow tube whose axis is collinear with the bo... | 07/27/1999 |
| 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 |
| 5802826 | Production of core/wrap yarns by airjet and friction spinning in tandem Core/wrap yarn is produced by continuously forming air jet-spun yarn and uninterruptedly continuously passing it to a friction spinner for purposes of wrapping the air jet-spun yarn with fibrous material in the friction spinner, so as to form core/wrap ya... | 09/08/1998 |
| 5765357 | Method for producing a compacted wire strand substantially triangular in shape for making wire rope A method for producing a compacted wire strand substantially triangular in shape for making wire rope includes the steps of (i) unwinding a central group of wires from a bobbin, the central group being substantially triangular, (ii) winding up a first lay... | 06/16/1998 |
| 5701729 | System for forming elastomeric core/staple fiber wrap yarn using a spinning machine A system for forming elastomeric core/staple fiber wrap yarn using a spinning machine such as an air jet, roller jet or roller spinning machine. The system includes a package drive assembly, yarn motion and presence sensors, an improved drafting assembly ... | 12/30/1997 |
| 5640766 | Method and apparatus for producing a compressed stranded wire for a press-connecting terminal The present invention provides a wire for a press-connecting terminal which has a high flexibility, and achieves a high reliability for a connection portion at the time of press-connection, and also provides a method of producing a conductor of such a wir... | 06/24/1997 |
| 5619848 | Method and apparatus for automatically removing an imperfection from spun filament yarn and staple fibers A method and apparatus for automatically removing a slub from spun filament yarn and a sliver or roving of staple fibers. The sliver or roving of staple fibers are fed through a drafting apparatus to prepare a continuous bundle of staple fibers. The filam... | 04/15/1997 |
| 5568719 | Composite yarn including a staple fiber covering a filament yarn component and confining the filament yarn component to a second thickness that is less than a first thickness of the filament in a relaxed state and a process for producing the same A method for manufacturing a composite yarn of staple fibers and continuous multifilament yarn. The multifilament yarn is made from non-set, textured, no oil, polyester and first pretensioned before entering a spinning chamber where it is co-spun with the... | 10/29/1996 |
| 5531063 | Device for forming core/wrap yarn A device for forming core/wrap yarn is provided in which a core strand and one or more wrap strands are passed from the nip of a pair of rollers to a stationary support surface which is outwardly, downwardly curved and which includes an open channel there... | 07/02/1996 |
| 5239813 | Process and apparatus for sheathing cables formed of a plurality of conductors twisted together A cable made up of a plurality of conductors twisted together is drawn through the extrusion head of an extruder which applies a sheath of plastic or elastomeric material to the cable. From the extruder, the cable passes through a tube having a heated sec... | 08/31/1993 |
| 5060466 | Composite rope and manufacturing method for the same A composite rope obtained by process comprising, impregnating a multifilament with epoxy resin and half-setting the resin to form a prepreg, twisting the plural prepregs together to form a primarily-twisted product, and wrapping the primarily-twisted prod... | 10/29/1991 |
| 4976096 | System for producing core/wrap yarn A core wrap system is provided in which a core strand and wrap strands spaced from said core strand on each side of said core strand are passed from the nip of a pair of rollers to a stationary support surface that is outwardly, downwardly curved, and whi... | 12/11/1990 |
| 4961306 | System for producing staple-wrapped core yarn A core/wrap yarn forming system comprising two or more channels extending outwardly from the nip of the front draft rolls of a ring-spinning system; wherein each channel's entrance is closely adjacent to the nip; wherein the entrances are spaced apart fro... | 10/09/1990 |
| 4922701 | System for producing yarn A core/wrap yarn is formed on a conventional ring-spinning yarn system by including a gripper nip immediately downstream from and closely adjacent to the front roller nip of the system; feeding a core strand and at least one wrap stand on each side of the... | 05/08/1990 |
| 4903472 | Process and apparatus for the spinning of fiber yarns, possibly comprising at least one core The present invention relates to a process for start spinning or piecing at least two yarns of fibers, which process includes forming strands for start-spinning or piecing by introducing a continuous filament into each roving, false twisting the strands, ... | 02/27/1990 |
| 4896406 | Method for producing sheeting products from yarn having sheath and core construction A top bedsheet, bottom (fitted contour) bedsheet, or pillow case is produced by circularly knitting, in a jersey knit configuration, a sheath and core yarn into a fabric. The sheath fibers comprise short staple fibers such as cotton or comparable cellulos... | 01/30/1990 |
| 4771596 | Method of making fiber composite A fine heterogeneous hybrid spun yarn is blended from electrostatically conductive staple fibers and electrostatically non-conductive staple fibers so that the yarn is electrostatically conductive only over short discrete lengths. When used in pile fabric... | 09/20/1988 |
| 4757680 | Spinning installation for making core spun yarns This invention relates to a spinning installation for making fiber spun yarns, the yarns comprising a central core of discontinuous fibers covered with an external sheath also of discontinuous fibers. The fibers forming the core and the sheath come from a... | 07/19/1988 |
| 4712365 | Process for the manufacture of reinforced false twist yarns A process for manufacturing reinforced false twist yarns includes employing braking rolls, drawing bands, pulling rollers, twisting rolls, and yarn guides to manufacture a reinforced false twist yarn from first and second fiber rovings and from a continuo... | 12/15/1987 |
| 4711080 | Spun yarn and method and apparatus for forming spun yarn A bound spun yarn comprising substantially twistless core fibers and wound fibers wound spirally around the core fibers. The core fibers and the wound fibers have colors different from each other and the number of the wound fibers vary randomly in a longi... | 12/08/1987 |
| 4711079 | Roving blending for making sheath/core spun yarn A ring spun yarn having good core cohesiveness, and complete sheath covering, the sheath comprising first fibers, such as cotton, and the core comprising second fibers having distinctly different properties than the first fibers, such as polyester, is pro... | 12/08/1987 |
| 4662164 | Separation, and phasing of sheath sliver around a core A novel roving, and spun yarn produced from the roving, have a core and a sheath arrangement with substantially 100 percent of a first type of fiber in the sheath, and for a second type of fiber having distinctly different properties than the first fiber,... | 05/05/1987 |
| 4614081 | Method for manufacturing a cotton yarn A method for manufacturing a cotton core yarn which comprises introducing a tension into a core yarn, and bringing a cotton yarn together with the core yarn, said core yarn having a higher tension than that of the cotton yarn and said cotton yarn being su... | 09/30/1986 |
| 4584830 | Method for producing a fiber-spun yarn A method of obtaining a core-spun yarn, according to which the fibers are subjected to a momentary false twist, and elementary fibers are projected on the spun yarn in the upwardly twisting area by means of a movable surface. According to the invention, a... | 04/29/1986 |
| 4566259 | Method and apparatus for the manufacture of fancy yarns A method and apparatus for producing a fancy yarn, in which a core and effect yarn 5 are fed along a path to a false twist device 6 and a binding yarn 4 is fed via a rotating component 1 adjacent the path, the component rotating about an axis transverse t... | 01/28/1986 |
| 4541231 | Process for reinforced yarn with glass fiber core A unique process for producing torque-free or balanced yarns of staple fibers with glass filament cores is disclosed. Staple fiber roving is fed through a drafting system. Glass filament is fed into the center of the staple fiber just prior to entering th... | 09/17/1985 |
