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| Number | Title | Issue Date |
| 8277709 | Production of fine stufferbox-crimped tows from synthetic filaments and further processing thereof into textile hygiene articles A process is described for producing thin crimped tows from LOY, POY, or FOY filaments in a total linear density from 2 ktex to 9 ktex by filament yarns being withdrawn from creeled bobbins, folded and provided with a processing finish, then drawn or tension-uniform... | 10/02/2012 |
| 7968025 | Method for manufacturing a particularly soft and three-dimensional nonwoven and nonwoven thus obtained The present invention relates to a method for manufacturing nonwoven and nonwoven obtainable by said method. Particularly, the invention relates to a nonwoven provided with improved tactile and absorbent characteristics, which make it suitable for use in the field o... | 06/28/2011 |
| 7833447 | Production of fine stufferbox-crimped tows from synthetic filaments and further processing thereof into textile hygiene articles A process is described for producing thin crimped tows from LOY, POY, or FOY filaments in a total linear density from 2 ktex to 9 ktex by filament yarns being withdrawn from creeled bobbins, folded and provided with a processing finish, then drawn or tension-uniform... | 11/16/2010 |
| 7615173 | Process for preparing bicomponent fibers having latent crimp The present invention is directed to a process for preparing bicomponent fibers by melt spinning two semi-crystalline polymers differing in crystallization rate. ... | 11/10/2009 |
| 7578957 | Process of making staple fibers Improved staple fibers and processes for producing them are provided. The processes are particularly useful for forming staple fibers from poly(trimethylene terephthalate), especially carpet staple fibers. The processes include prewetting undrawn yarns and drawing t... | 08/25/2009 |
| 7425289 | Process of making cellulose acetate tow In the manufacture of a fiber tow, particularly cellulose acetate tow, a stuffer box crimper has a pair of nip rollers, at least one, made of a solid ceramic material. ... | 09/16/2008 |
| 7291239 | High loft low density nonwoven webs of crimped filaments and methods of making same High loft, low density nonwoven webs are produced by forming substantially continuous, spunbond, crimped, bicomponent fibers of A/B bilateral morphology in an unheated fiber draw unit. The fibers are then heated and cooled in the absence of impeding forces to achiev... | 11/06/2007 |
| 7261849 | Tacky polymer melt spinning process A method for high speed melt spinning of binder fiber by melting a polymer having a melting temperature range of greater than 0° C. to 160° C., spinning said polymer at a speed of greater than about 2000 meters per minute to form the binder fibers; and winding the... | 08/28/2007 |
| 7260874 | System, apparatus, and method of reducing production loss for textured yarn and other related methods A yarn texturizing system, apparatus, and methods of reducing production loss or increasing production speed in a continuous textured yarn production process are provided. The system includes a yarn supply, a yarn stuffing container to produce textured yarn periodic... | 08/28/2007 |
| 7204681 | Thermoforming method and apparatus A thermoforming apparatus having a mold with an internal vacuum chamber and a quench for cooling a thermoplastic sheet while it remains on the mold. Because the quench cools the sheet, conventional cooling lines are eliminated from the mold. One method of using the ... | 04/17/2007 |
| 7199203 | Isotactic propylene copolymer fibers, their preparation and use Fibers comprising a propylene homopolymer or a copolymer of propylene and at least one of ethylene and one or more unsaturated comonomers exhibit desirable properties. The homopolymers are characterized as having 13C NMR peaks corresponding to a regio-err... | 04/03/2007 |
| 7196026 | Fibers providing controlled active agent delivery An agend fiber composed of an active agent/positive dispensing carrier combination and a fiber forming component. As a fiber or nonwoven or textile fabric containing the fiber, the agend delivers the active agent at a desired rate under conditions of use. Product ap... | 03/27/2007 |
| 7097803 | Process of making a corrugated net material The present invention is to provide a process of making a corrugated net material including the following steps. First prepare a net material with an adequate length, and then heat and soften the net material by means of a heating element. March the soften net mater... | 08/29/2006 |
| 7060149 | Nonwoven fabrics with advantageous properties This invention relates to nonwoven fabrics with advantageous characteristics and the method to produce these fabrics. Advantageously, the fabrics of the subject invention have increased thickness (loft) compared to conventional nonwoven fabrics and have high air per... | 06/13/2006 |
| 7045211 | Crimped thermoplastic multicomponent fiber and fiber webs and method of making The present invention provides a crimped multicomponent fiber containing at least two polymer components arranged in a crimpable configuration in distinct zones or segments across the cross-section of the fiber wherein one component comprises a dielectrically suscep... | 05/16/2006 |
| 7041368 | High speed spinning procedures for the manufacture of high denier polypropylene fibers and yarns Improvements in permitting greater efficiency for high denier polypropylene fiber and yarn production are provided. Generally, spinning speeds are limited for polypropylene fibers and yarns as such materials tend to break easily upon exposure to excessively high ten... | 05/09/2006 |
| 7036197 | Stretchable multiple-component nonwoven fabrics and methods for preparing A method for preparing stretchable bonded nonwoven fabrics which involves forming a substantially nonbonded nonwoven web of multiple-component continuous filaments or staple fibers which are capable of developing three-dimensional spiral crimp, activating the spiral... | 05/02/2006 |
| 7029611 | Process of making poly(trimethylene terephthalate) bulked continuous filament carpet yarn This invention relates to a poly(trimethylene terephthalate) BCF carpet yarn having a Y-shaped cross-section that has an modification ratio and a arm angle within a specific range, and a method for preparing it. The BCF carpet yarn has excellent bulk property and sp... | 04/18/2006 |
| 7025914 | Multilayer approach to producing homofilament crimp spunbond A multilayer laminate is produced with in-line fabric deposition. One layer of the multilayer laminate has stable, heat-set, helically crimped fibers which are uncompacted and therefore retain their loft. ... | 04/11/2006 |
| 7025825 | Plastic fibers for improved concrete A concrete article comprised of concrete having therein a reinforcing fiber, where at least about 50 percent of the reinforcing fibers are frayed only at an end or ends of the reinforcing fibers, may be made by mixing concrete, water and a reinforcing fiber for a su... | 04/11/2006 |
| 7013542 | Process and apparatus for the transformation of yarns and a yarn thus produced Process for the mechanical transformation of a thread (F) of vegetable, animal or artificial or synthetic origin, characterized in that it includes abrading the thread (F) when the latter is supported in the air between two supports (55, 56). ... | 03/21/2006 |
| 6998081 | Method of producing low-shrink polypropylene tape fibers Improvements in preventing heat- and moisture-shrink problems in specific polypropylene tape fibers are demonstrated herein. Such fibers are manufactured through the initial production of polypropylene films or tubes which are then slit into very thin, though flat t... | 02/14/2006 |
| 6998155 | Woven materials with incorporated solids and processes for the production thereof The invention relates woven and knit materials with an incorporated particulate solid and to a process for producing woven materials incorporated with a particulate solid. The process comprises: entraining a particulate solid in a gaseous carrier; disposing one face... | 02/14/2006 |
| 6998079 | Process of making partially oriented poly(trimethylene terephthalate) yarn 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 oriented poly(trim... | 02/14/2006 |
| 6994763 | Elastomeric multicomponent fibers, nonwoven webs and nonwoven fabrics A bonded web of multi-component strands that include a first polymeric component and a second polymeric component is capable of overcoming a number of problems associated with nonwoven webs including both stickiness and blocking. The first polymeric component and se... | 02/07/2006 |
| 6994904 | Pressure sensitive adhesive fibers with a reinforcing material This invention is directed to a reinforced adhesive fiber that includes a pressure sensitive adhesive component and a reinforcing material within the pressure sensitive adhesive component. ... | 02/07/2006 |
| 6984276 | Method for preparing high bulk composite sheets This invention relates to a method for preparing nonwoven fabrics having an improved balance of properties in the machine and cross-directions. More specifically, the invention utilizes nonwoven webs that include relatively low levels of multiple-component fibers ha... | 01/10/2006 |
| 6967057 | Poly(trimethylene dicarboxylate) fibers, their manufacture and use A process for preparing poly(trimethylene terephthalate) fibers including (a) providing a poly(trimethylene terephthalate) composition comprising about 0.05 to about 10 weight % ionomer and (b) spinning the polymer composition to form fibers. In addition, a poly(tri... | 11/22/2005 |
| 6923925 | Process of making poly (trimethylene dicarboxylate) fibers A process for preparing poly(trimethylene dicarboxylate) multifilament yarns and monofilaments. One process for preparing poly(trimethylene dicarboxylate) multifilament yarns includes (a) providing a polymer blend including poly(trimethylene dicarboxylate) and about... | 08/02/2005 |
| 6909028 | Stable breathable elastic garments A thermally stable microporous breathable film is provided comprising at least 35% filler, by weight of the filled-film, and a thermoplastic polymer blend of a first polyethylene polymer and a second polyethylene polymer. The first polyethylene polymer comprises 30%... | 06/21/2005 |
| 6906160 | Isotactic propylene copolymer fibers, their preparation and use Fibers comprising a propylene homopolymer or a copolymer of propylene and at least one of ethylene and one or more unsaturated comonomers exhibit desirable properties. The homopolymers are characterized as having 13C NMR peaks corresponding to a regio-err... | 06/14/2005 |
| 6902796 | Elastic strand bonded laminate A simplified elastic laminate is made from nonwovens and is especially suitable for side panels of training pant garments or the like. A plurality of thermoplastic adhesive elastomeric fibers are located between first and second facing webs. The fibers have an elast... | 06/07/2005 |
| 6896843 | Method of making a web which is extensible in at least one direction A method includes the steps of co-extruding a first component and a second component. The first component has a recovery percentage R1 and the second component has a recovery percentage R2, wherein R1 is higher than R2. Th... | 05/24/2005 |
| 6890466 | Elastically stretchable nonwoven fabric and process for making the same An elastically stretchable nonwoven fabric including thermoplastic elastomer filaments; the filaments being heat-sealed and/or mechanically intertwined together to form the nonwoven fabric that has crimped regions and non-crimped regions wherein each of the crimped ... | 05/10/2005 |
| 6887423 | Process for making a stretchable nonwoven web A process for preparing nonwoven webs including multiple component continuous filaments having high levels of three-dimensional helical crimp utilizing draw rolls to provide a high degree of orientation to each of the polymeric components by mechanically drawing the... | 05/03/2005 |
| 6881375 | Method of forming a 3-dimensional fiber into a web A method includes the steps of co-extruding a first component and a second component. The first component has a recovery percentage R1 and the second component has a recovery percentage R2, wherein R1 is higher than R2. Th... | 04/19/2005 |
| 6877197 | Process for treating a polyester bicomponent fiber The invention provides a process for treating a polyester fiber comprising the steps of providing a bicomponent fiber comprising poly(ethylene terephthalate) and poly(trimethylene terephthalate) which has been heat-treated at a first temperature and cooled to lower ... | 04/12/2005 |
| 6872352 | Process of making web or fiberfill from polytrimethylene terephthalate staple fibers The invention relates to webs or batts including polytrimethylene terephthalate crimped staple fibers and fiberfill products comprising such webs and batts, as well as the processes of making the staple fibers, webs, batts and fiberfill products. According to the pr... | 03/29/2005 |
| 6861480 | Yarn-forming composition of polyamide and sulfonated acid dye disabler An acid dye stain-resistant fiber-forming polyamide composition comprising a fiber-forming polyamide and a reagent, at least a portion of which associates with free acid dye sites in the polyamide, thereby disabling the acid dye sites in fibers formed from the compo... | 03/01/2005 |
| 6835339 | Process for preparing poly(trimethylene terephthalate) tetrachannel cross-section staple fiber Poly(trimethylene terephthalate) tetrachannel cross-section staple fibers, as well as yarns, fiberfill webs, batts and products, and fabrics made therewith. Also, the process of making such staple fibers, yarns, fiberfill webs, batts and products, and fabrics. ... | 12/28/2004 |
