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Class 442/364 - Sheath-core multicomponent strand or fiber material


Subclass of Class 442 - Fabric (woven, knitted, or nonwoven textile or cloth, etc.)
Definition: Subject matter wherein the strand or fiber material contains
No. of patents: 243
Last issue date: 02/28/2012


1              
NumberTitleIssue Date
8124550Thermally bound non-woven material
The invention relates to a thermally bound non-woven material containing a low-shrinkage dual-component core-sheath fiber consisting of a crystalline polyester core and a crystalline polyester sheath which has a melting point at least 10° C. lower than the core, th...
02/28/2012
7968481Hot-melt conjugate fiber
A heat fusible conjugate fiber produced by high-speed melt spinning is disclosed. The conjugate fiber is composed of a first resin component having an orientation index of 40% or higher and a second resin component having a lower melting or softening point than the ...
06/28/2011
7829487Extensible nonwoven fabric and composite nonwoven fabric comprising the same
An extensible nonwoven fabric comprises a fiber comprising at least two olefin-based polymers. These olefin-based polymers are of the same kind and have different induction periods of strain-induced crystallization as measured at the same temperature and shear strai...
11/09/2010
7732357Disposable nonwoven wiping fabric and method of production
Disclosed is a fibrous nonwoven web material and a method of manufacture thereof. The fibrous nonwoven web material includes natural cellulose fibers, manmade cellulose fibers and synthetic fibers. The manmade cellulose fibers are preferably high crystallinity cellu...
06/08/2010
7422990Thermal/acoustic insulation product based on mineral wool
A thermal and/or acoustic insulation product, and an apparatus and the process for manufacturing the product. The product is based on mineral wool of the glass wool or rock wool type. The product has at least part of its external surface uncovered. The product is su...
09/09/2008
7405171Elastic nonwoven fabric and fiber products manufactured therefrom
PROBLEM TO BE SOLVED: To provide an elastic nonwoven fabric with a good elasticity, adequate strength under elongation, good antiblocking property and favorable feeling, suitable for fiber products, at low cost, as well as fiber products using the same. SOLUT...
07/29/2008
7365031Conductive pressure sensitive textile
A fabric including within its construction a first elongated electrical conductor crossed by a second elongated electrical conductor, the conductors being normally biased apart at a crossover point of said fibres with an air gap between them, whereby application of ...
04/29/2008
7365034Latent carbon dioxide generating material
The present invention is directed to nonwoven materials containing a chemical composition capable of generating carbon dioxide when activated. The present invention provides a latent carbon dioxide gas generating material having a first layer containing fiber and a ...
04/29/2008
7329623Durable hydrophilic nonwoven mat
A nonwoven web of a wettable fiber matrix, wherein the wettable fiber matrix are thermoplastic polymeric fibers blended with at least one hydrophilic melt additive. In alternate embodiments, the nonwoven web further includes binder fibers which may be wettable or no...
02/12/2008
7326272Synthetic, duolayer, filter element
A multilayer, pleatable, filter material is made of at least one melt-blown, fleece layer and at least one carded, fleece layer that are attached to one another without use of adhesives for filtering solid particles out of fluids, in particular, filtering solid part...
02/05/2008
7309522Fibers made from block copolymer
The present invention relates to compositions such as fibers, elastic yarns, wovens, nonwovens, knitted fabrics, fine nets, and articles produced at least in part from a styrenic block copolymer comprising at least two blocks produced from vinyl aromatic monomers an...
12/18/2007
7291389Article having temperature-dependent shape
Articles, particularly fibers, whose shape is dependent on temperature. The articles have a first component composed of a sharply-melting crystalline polymer and an overlapping second component. As the crystalline polymer is cooled through its melting range, the vol...
11/06/2007
7276166Fiber-fiber composites
A fiber-fiber composite is disclosed herein comprising majority fibers and minority fibers, the minority fibers having a softening point lower than said majority fibers such that when the admixture of majority fibers and minority fibers are wet laid to form a paper-...
10/02/2007
7238313Thermoplastic constructs with improved softness
The present invention is directed to the combined use of first and second fatty acid amides to improve the softness of a thermoplastic polymer construct. A combination of fatty acid amides is provided in the blend ratio of about 10 to 90 percent by weight of a first...
07/03/2007
7238634Multiple component spunbond web
A multiple component spunbond web is provided in which the spunbond fibers are polymeric sheath-core fibers with a sheath made of a blend of polyethylene and an acid copolymer and a polyester or polyamide core. The spunbond webs can be thermally bonded have an impro...
07/03/2007
7238423Multicomponent fiber including elastic elements
Disclosed herein are multicomponent fibers, and particularly sheath-and-core type multicomponent fibers including elastic polymers. The multicomponent fibers have at least three cross sectional elements, wherein a first cross sectional element is an outer sheath ele...
07/03/2007
7226656Thermoformable acoustic sheet
A thermoformable acoustic sheet formed by a compressed fibrous web including high melt and adhesive thermoplastic fibres in which the adhesive fibres are at least partially melted so that in the compressed web the adhesive fibres at least partially coat the high mel...
06/05/2007
7227051Disposable wearing article
A disposable wearing article includes a liquid-pervious topsheet, a liquid-impervious backsheet, a liquid-absorbent core interposed between the top- and backsheets, a pair of liquid-impervious leak-barrier sheets and a pair of elastically stretchable sheets. Each po...
06/05/2007
7196026Fibers 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
7183230Protective cover system including a corrosion inhibitor
A protective cover system (100) for inhibiting corrosion of a metallic object. The protective cover system includes a cover (101, 200, 600) for defining a microenvironment and a corrosion inhibitor source for releasing one or more corrosion inhibitors ...
02/27/2007
7157137Varied density nonwoven
A nonwoven having varying densities of the fibers that make up the nonwoven. The nonwoven has a length direction x, a width direction y, and a thickness direction z. The density of the fibers 11 in the nonwoven 10 varies long the width direction y of t...
01/02/2007
7156020Composite stamp pad
A composite stamp pad is made of two layers joined together at their interface. The top layer of the composite stamp pad, which contacts the raised points side of the stamp, has a dense and firm fine denier fibrous structure in order to be able to transfer ink to th...
01/02/2007
7101423Respiratory air filter
A respiratory filter includes an air-permeable sleeve and at least one filter layer that is arranged in the sleeve and contains activated carbon. The activated carbon contained in the filter layers serves as a gas filter that, by absorption, at least partially remov...
09/05/2006
7081423Nonwoven absorbent materials made with cellulose ester containing bicomponent fibers
The invention is directed to a nonwoven material made of a bicomponent fiber in which the first polymer is a cellulose ester polymer, preferably cellulose acetate, and the second polymer is selected from the group consisting of polyolefins, polyesters, polyamides an...
07/25/2006
7078089Low-cost elastic laminate material
Disclosed herein are elastic laminate materials. The elastic laminate materials are laminates of extensible nonwoven fibrous webs and thermoplastic elastic materials. The laminate may be a two-layer composite material having a single nonwoven fibrous web bonded to o...
07/18/2006
7070884Separator with improved barrier performance
The present invention is directed to a nonwoven composite fabric for use on batteries or fuel cells comprising one or more layers of fine denier spunbond filaments and at least one layer of barrier material, wherein said nonwoven composite fabric has an improved bar...
07/04/2006
7063917Laminated battery separator material
A nonwoven material having a laminated construction and including a first layer of nonwoven fibers defining a first surface of the material; a second layer of nonwoven fibers defining the opposite surface of the material; and a third layer of nonwoven fibers located...
06/20/2006
7053012Flexible corrosion-inhibiting cover for a metallic object
A cover (200) for inhibiting corrosion of a metallic object over which the cover is placed. The cover has an inner surface (104) defined by a liquid-permeable layer (202) and an outer surface (102) defined by a liquid-impermeable layer (
05/30/2006
7022200Method of making adhesive-free bonded porous thermoplastic nibs for markers and highlighter applications
A method and an apparatus are described for making porous thermoplastic nibs which are adhesive-free and plasticizer-free. The method comprises the steps of feeding a coherent fibrous structure into a compacting, shaping and bonding die, heating the surface of the f...
04/04/2006
7008888Multiple component spunbond web
A multiple component spunbond web is provided in which the spunbond fibers are polymeric sheath-core fibers with a sheath made of a blend of polyethylene and an acid copolymer and a polyester or polyamide core. The spunbond webs can be thermally bonded have an impro...
03/07/2006
6995099Composite reinforcing fiber base material, preform and production method for fiber reinforced plastic
The present invention is aimed at providing FRP formed by integrating a fiber reinforcing material and a non-woven fabric, and having excellent shaping ability, impact resistance after molding, and excellent reliability and low cost. The aim of the present in...
02/07/2006
6964931Method of making continuous filament web with statistical filament distribution
The present invention is directed to a method of making a substantially continuous filament web which includes providing a plurality of polymer extruders for supplying polymer streams of at least two different polymer compositions, and providing a spinneret assembly...
11/15/2005
6905987Fibers comprising polyhydroxyalkanoate copolymer/polylactic acid polymer or copolymer blends
Environmentally degradable melt spun fibers comprising a polyhydroxyalkanoate copolymer and a polylactic acid polymer or copolymer are disclosed. A preferred configuration of the present invention is directed to environmentally degradable fibers comprising a sheath/...
06/14/2005
6902796Elastic 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
6887805Screen formed from a stretched flexible surface bearing a print
A screen formed from a stretched flexible surface, particularly for an external installation, comprises a non-woven fabric provided with a print. One face of the non-woven fabric is provided with a thin permeable layer formed by flakes which receive the print. ...
05/03/2005
6881468Process for producing yarn having reduced heatset shrinkage
The present invention provides a process for producing yarn having reduced heatset shrinkage. Preferably, the fibers used in making the yarn are bicomponent fibers. The present invention also provides a process for producing yarn having reduced heatset shrinkage at ...
04/19/2005
6877255Two-in-one shoe component
A laminate of a thermally pointbonded nonwoven base fabric and a coating of polyurethane or polyvinyl chloride on at least one surface of the base fabric, and a footwear upper made from the laminate and wherein the upper functions additionally as a lining for the fo...
04/12/2005
6878650Fine denier multicomponent fibers
A method is provided for producing fine denier multicomponent thermoplastic polymer filaments incorporating high melt-flow rate polymers. Multicomponent filaments are extruded such that the high melt-flow rate polymer component is substantially surrounded by one or ...
04/12/2005
6861380Tissue products having reduced lint and slough
A tissue product containing a multi-layered paper web that has at least one layer formed from a blend of pulp fibers and synthetic fibers is provided. By containing at least one layer of synthetic and pulp fibers, it has been discovered that lint and slough of a tis...
03/01/2005
6831025Multiple component spunbond web and laminates thereof
A spunbond nonwoven fabric is provided which is formed from continuous multiple component filaments which include a polyester component and a polyethylene component. The polyethylene component is a blend of high density polyethylene and a first linear low density po...
12/14/2004
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