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Assignee: Fiberweb North America, Inc.


Location: Simpsonville, SC
No. of patents: 37

NumberTitleIssue Date
5804286Extensible composite nonwoven fabrics
A fabric comprising at least two layers wherein at least one layer is an extensible, bonded non-woven composed of a fiber comprising multiple different polymers such as a fiber comprising isotactic polypropylene, polyethylene and a block or grafted polyol...
09/08/1998
5783503Meltspun multicomponent thermoplastic continuous filaments, products made therefrom, and methods therefor
Multicomponent thermoplastic continuous filaments are provided, including hollow core multicomponent filaments. The filaments are at least partially splittable into smaller filaments in the absence of mechanical treatment or application of high pressure w...
07/21/1998
5766737Nonwoven fabrics having differential aesthetic properties and processes for producing the same
The invention is directed to composite nonwoven laminate fabric having differential softness and flexibility properties. The nonwoven laminate fabric includes a polypropylene meltblown web sandwiched between and bonded to a spunbonded web of polypropylene...
06/16/1998
5733822Composite nonwoven fabrics
The present invention provides composite nonwoven fabric laminates and processes for producing such. The fabric is comprised of a web of thermoplastic filaments laminated to at least one other web. Preferably, the filaments are spunbonded continuous polyo...
03/31/1998
5645057Meltblown barrier webs and processes of making same
A nonwoven disposable face mask includes a filtration layer formed of a plurality of thermoplastic microfine meltblown microfibers having an average fiber diameter of less than 1.5 microns. The filtration layer also has a basis weight of less than ten gra...
07/08/1997
5620785Meltblown barrier webs and processes of making same
A nonwoven disposable face mask includes a filtration layer formed of a plurality of thermoplastic microfine meltblown microfibers having an average fiber diameter of less than 1.5 microns. The filtration layer also has a basis weight of less than ten gra...
04/15/1997
5616408Meltblown polyethylene fabrics and processes of making same
A nonwoven web of meltblown microfibers formed of a composition of polyethylene and at least one component added to provide processing stability to the polyethylene component. The meltblown web can be produced at high polymer throughputs and exhibits good...
04/01/1997
5612123Distribution enhanced polyolefin product
Improved meltspinning productivity is achieved by employing polyolefin resins having key molecular weight distribution and rheological property parameters within predetermined ranges. These parameters include the molecular weight distribution breadth para...
03/18/1997
5593768Nonwoven fabrics and fabric laminates from multiconstituent fibers
The present invention provides a nonwoven fabric laminate comprising a thermally-bonded multiconstituent fiber nonwoven web. The multiconstituent fiber is composed of a highly dispersed blend of at least two different thermoplastic polymers which are pres...
01/14/1997
5549867Distribution enhanced polyolefin meltspinning process and product
Improved meltspinning productivity is achieved by employing polyolefin resins having key molecular weight distribution and rheological property parameters within predetermined ranges. These parameters include the molecular weight distribution breadth para...
08/27/1996
5543206Nonwoven composite fabrics
The invention is directed to composite nonwoven fabrics and processes for producing the same. The fabric includes a layer of inelastic continuous or staple fibers formed from a blend of polyethylene and polypropylene laminated to an extensible web, such a...
08/06/1996
5503907Barrier fabrics which incorporate multicomponent fiber support webs
A composite nonwoven fabric having at least one hydrophobic microporous layer and at least one other layer formed of multicomponent fibers. The multicomponent fibers comprise a lower melting thermoplastic resin component and one or more higher melting the...
04/02/1996
5494736High elongation thermally bonded carded nonwoven fabrics
The invention provides high elongation thermally bonded nonwoven fabrics which exhibit elongation of at least about 130% in the cross-machine direction. The fabrics of the invention include a nonwoven a web of polyolefin staple fibers having an elongation...
02/27/1996
5484645Composite nonwoven fabric and articles produced therefrom
The invention is directed to a composite nonwoven fabric comprising first and second nonwoven webs of spunbonded substantially continuous thermoplastic filaments, and a nonwoven hydrophobic microporous web of thermoplastic meltblown microfibers sandwiched...
01/16/1996
5470639Elastic nonwoven webs and method of making same
A spunbonded elastic nonwoven fabric comprises a web of bonded thermoplastic filaments of a thermoplastic elastomer. The spunbonded fabrics of the invention are prepared in a slot draw spunbonding process operated at a rate of less than about 2000 meters ...
11/28/1995
5458944Stretchable tufted carpet and stretchable nonwoven carpet backing therefor
Tufted carpets which are conformable and stretchable make use of a stretchable carpet backing formed from a composite fabric. The stretchable carpet backing fabric is formed of a stretchable elastic net and at least one nonwoven fibrous layer overlying th...
10/17/1995
5443898Nonwoven webs and method of making same
A process for producing nonwoven webs having improved strength properties at high throughputs is provided. In the process, a non-uniform blend of a polyolefin and a prodegradant is formed. The non-uniform blend is then rapidly heated to cause the substant...
08/22/1995
5431991Process stable nonwoven fabric
The invention provides elastic fabrics which are substantially non-extensible in the machine direction and have substantial elastic properties in the cross-machine direction. The process stable fabrics of the invention include a net and a fibrous layer wh...
07/11/1995
5415925Gamma structure composite nonwoven fabric comprising at least two nonwoven webs adhesively bonded by a lightweight adhesive web
The invention is directed to a composite nonwoven fabric comprising a nonwoven web of spunbonded substantially continuous thermoplastic filaments, a nonwoven web of thermoplastic strands, and a nonwoven web of thermoplastic meltblown microfibers sandwiche...
05/16/1995
5413849Composite elastic nonwoven fabric
The invention provides composite elastic nonwoven fabrics and processes of making the same. The composite elastic fabrics of the invention include a plurality of longitudinally extending elastomeric filaments and at least one fibrous web including staple ...
05/09/1995
5409765Nonwoven webs made from ionomers
A process is disclosed for extruding fibers from ionomer resins that are not blended with polyolefins, monomers, solvents, or other conventional compounds typically used in connection with processing fibers that contain ionomers. The preferred ionomers ar...
04/25/1995
5397413Apparatus and method for producing a web of thermoplastic filaments
A slot draw attenuator apparatus and method are provided for producing webs of spunbonded thermoplastic filaments having improved cover even at low basis weights. The filaments are introduced to a slot draw attenuator having corona electrodes mounted in a...
03/14/1995
5393599Composite nonwoven fabrics
The invention provides elastic fabrics which exhibit low extensibility in the machine direction and have substantial elastic properties in the cross-machine direction. The fabrics of the invention include an elastic layer and a fibrous layer which are com...
02/28/1995
5369858Process for forming apertured nonwoven fabric prepared from melt blown microfibers
A nonwoven fabric comprising at least one layer of textile fibers or net of polymeric filaments and at least one web of melt blown microfibers, bonded together by hydroentangling. The nonwoven fabric may be apertured by hydroentangling or may have areas o...
12/06/1994
5368913Antistatic spunbonded nonwoven fabrics
Antistatic spunbonded nonwoven fabrics are provided. The fabrics of the invention include a plurality of substantially continuous electrically nonconductive filaments formed of a thermoplastic polymer, a plurality of electrically conductive filaments dist...
11/29/1994
5334446Composite elastic nonwoven fabric
The invention provides composite elastic nonwoven fabrics and the process of making them. The composite elastic fabrics of the invention include an elastomeric net and at least one fibrous web including binder fibers and which is intimately hydroentangled...
08/02/1994
5324580Elastomeric meltblown webs
The invention is directed to elastomeric meltblown webs having desirable strength and stretch/recovery properties which can be produced at relatively high throughputs and/or relatively low die pressures. The meltblown webs of the invention comprise a blen...
06/28/1994
5294482Strong nonwoven fabric laminates from engineered multiconstituent fibers
The present invention provides a thermally-bonded nonwoven fabric that is made from a web which comprises from 100 to 5 percent by weight of multiconstituent fibers. The multiconstituent fibers are composed of highly dispersed blends of at least two diffe...
03/15/1994
5292239Apparatus for producing nonwoven fabric
An apparatus and method are disclosed for forming a nonwoven fabric web, such as a spunbond web. The apparatus comprises a spinneret for downwardly extruding a curtain of filaments, and an underlying air drawing unit for drawing and attenuating the filame...
03/08/1994
5273596Nonwoven fabric for diaper top sheet and method of making the same
A multi-layer, nonwoven fabric useful as an absorbent article top sheet, which is formed of a continuous first layer, comprising hydrophobic thermoplastic fibers, bonded to a second layer, comprising a blend of hydrophobic thermoplastic fibers and natural...
12/28/1993
5270107High loft nonwoven fabrics and method for producing same
A nonwoven filamentary web having high loft is produced by extruding a molten thermoplastic polymer or polymer blend through a spinneret to form continuous filaments while maintaining extrusion conditions which induce melt-fracture of the extrudate; atten...
12/14/1993
5229191Composite nonwoven fabrics and method of making same
The invention is directed to composite nonwoven fabrics comprising a hydrophobic nonwoven web, a nonwoven web of thermoplastic meltblown microfibers and a hydrophilic nonwoven web comprising staple fibers. The nonwoven web of thermoplastic meltblown fiber...
07/20/1993
5225018Method and apparatus for providing uniformly distributed filaments from a spun filament bundle and spunbonded fabric obtained therefrom
A method and apparatus for providing uniformly distributed filaments from a spun filament bundle and a process for forming spunbonded fabric having superior uniformity and a favorable ratio between machine and cross direction tensile strengths. The appara...
07/06/1993
5198057Rebulkable nonwoven fabric
Disclosed is a process for making bulky nonwoven fabric suitable for use in diaper constructions that comprises the steps of (a) forming a web of one or more layers comprised at least in part of thermoplastic bicomponent fibers, (b) bonding said web by me...
03/30/1993
5144729Wiping fabric and method of manufacture
A nonwoven fabric having high performance aqueous fluid retention and wiping characteristics and a method of producing such fabric. The fabric comprises a reinforcing web of self-bonded continuous filament synthetic fibers having at least one surface with...
09/08/1992
5143779Rebulkable nonwoven fabric
Disclosed is a process for making bulky nonwoven fabric suitable for use in diaper constructions that comprises the steps of (a) forming a web of one or more layers comprised at least in part of thermoplastic bicomponent fibers, (b) bonding said web by me...
09/01/1992
5108827Strong nonwoven fabrics from engineered multiconstituent fibers
The present invention provides a thermally-bonded nonwoven fabric that is made from a web which comprises from 100 to 5 percent by weight of multiconstitutent fibers. The multiconstituent fibers are composed of highly dispersed blends of at least two diff...
04/28/1992
 
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