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Class 19/65T - Tow


Subclass of Class 19 - Textiles: fiber preparation
No. of patents: 31
Last issue date: 02/27/2007


NumberTitleIssue Date
7181817Method and apparatus for making an absorbent composite
A method and apparatus for making an absorbent composite from continuous tow is disclosed. The method and apparatus includes the steps of or means for spreading a crimped tow; de-registering the crimped tow; shaping the de-registered tow to a substantially rectangul...
02/27/2007
7103946Method and apparatus for making an absorbent composite
A method and apparatus for making an absorbent composite from continuous tow is disclosed. The method and apparatus includes the steps of or means for spreading a crimped tow; de-registering the crimped tow; shaping the de-registered tow to a substantially rectangul...
09/12/2006
7090743Pressure laminator apparatus
An apparatus for laminating at least two sheets of material includes a supply station at which rolls of the sheet material are rotatably supported, a laminating station in which the materials are laminated together with heat and compression and a take-up station whe...
08/15/2006
7059027Method and apparatus for making an absorbent composite
A method and apparatus for making an absorbent composite from continuous tow is disclosed. The method and apparatus includes the steps of or means for spreading a crimped tow; de-registering the crimped tow; shaping the de-registered tow to a substantially rectangul...
06/13/2006
7056403Apparatus for producing non-woven fabric
An apparatus for applying weft yarns in a cross direction to warp yarns assembled on a beam in parallel aligned relationship and having an adhesive scrim thereon includes a supply roll of the warp yarns on such a beam which are fed downstream of the apparatus by fir...
06/06/2006
7017244Beam winding apparatus
An apparatus and method for winding a sheet of aligned parallel yarns onto a beam is described. The beam winder utilizes a circularly arced yarn spool rack that feeds each yarn to an alignment comb through associated guide tubes. The distance between each spool of y...
03/28/2006
7008205Installation for producing a spunbonded fabric web whereof the diffuser is distant from the drawing slot device
The invention concerns an installation for producing a spunbonded fabric web comprising a diffuser defining for the filaments a passage with diverging cross-section, and mounted a certain distance from the slot attenuator, and a conveyor for receiving the filaments ...
03/07/2006
7003856Method and apparatus for opening continuous filaments
A method and an apparatus for opening continuous filaments provide stable quality of fibrous layer after opening crimped TOW. The TOW is transported by means of a plurality of rolls. While transported, the TOW is applied a resistance on one side of the TOW by slidin...
02/28/2006
6979186Installation for producing a spunbonded fabric web with filament diffuser and separation by electrostatic process
The invention concerns an installation for producing a spunbonded fabric web comprising a diffuser defining for the drawn filaments a passage with diverging cross-section, and mounted a certain distance from the slot attenuator, and a conveyor receiving the filament...
12/27/2005
6926055Non-woven composite fabric and method and apparatus for manufacturing same
An apparatus for fabricating a unique non-woven fabric which has the appearance of a woven fabric includes a supply station for adhesive coated parallel warp yarns, a support structure for orienting the parallel warp yarns into a cylindrical orientation with the adh...
08/09/2005
6511566Method of producing a fibrous material layer
Method of producing a fibrous material layer mainly intended to be incorporated in an absorbent article such as a diaper, pant diaper, incontinence guard, sanitary napkin or the like. At least one bundle of continuous filaments, so called tow (12), is ope...
01/28/2003
6385828Apparatus and method for splitting a tow of fibers
An apparatus for splitting a fiber tow, the apparatus having a spreading bar comprising a crown and a circular or oval-shaped splitter bar comprising grooves around the circumference of the splitter bar, wherein each of the grooves does not circumscribe t...
05/14/2002
6311377Apparatus and method for spreading fibrous tows into linear arrays of generally uniform density and products made thereby
A process and apparatus for spreading fibers in a fibrous tow provides a fiber spreader for spreading a tow of fibers moving in a machine direction having a plurality of spaced pins, where the spacing between the pins is variable relative to the machine d...
11/06/2001
6094791Method and apparatus for opening reinforcing fiber bundle and method of manufacturing prepreg
The present invention provides a method and apparatus, in which a reinforcing fiber bundle consisting of a plurality of paralleled single fibers is or a plurality of mutually paralleled reinforcing fiber bundles respectively consisting of a plurality of p...
08/01/2000
6049956Method and apparatus for spreading fiber bundles
A system for spreading a multi-filament bundle of fibers such that most of the individual fibers are exposed for various treatment and coating processes is described. The system is particularly suited to, but not limited to, carbon fiber applications. In ...
04/18/2000
5490308Monitoring the uniformity of tows
A method monitors and measures the uniformity of tows with mechanical sensing elements in the course of production on a tow line. The tension of the running tow is measured upstream of a transport roll arrangement and is utilized as a measure of the unifo...
02/13/1996
5282294Apparatus for producing layered material
An apparatus is disclosed for producing a band of rectangular cross section having at least two layers of material. The apparatus includes means for advancing a first band along a predetermined linear path and means for guiding a second band into layered ...
02/01/1994
5146651Process and apparatus for tow cross-section measurement and control
Controlling the cross-sectional characteristics of moving tow lines by providing monitors and positioning devices so as to improve stuffer box crimp uniformity. The mass distribution profile of a filamentary tow band is continuously measured as a function...
09/15/1992
5133282Apparatus for continuously coating fibers
An apparatus for continuously coating individual fibers of a fiber bundle with resin, which comprises a first concave support surface for grouping the fibers of the bundle substantially at a single grouping point and a second, convex, support surface at l...
07/28/1992
5110517Method for deregistering crimped multifilament tow
A method and apparatus for deregistering drawn crimped nylon multifilament tow includes the steps of stretching the tow under constant controlled tension at a temperature below the glass transition temperature of the nylon. The apparatus includes means fo...
05/05/1992
5101542Fiber separator for producing fiber reinforced metallic or resin body
A fiber separator for separating a bundle of fibers into individual fibers comprising a composite roller composed of a plurality of roller elements, each having the same bulging thick-center profile. The roller elements are provided to revolve along a cir...
04/07/1992
5102690Method coating fibers with particles by fluidization in a gas
A system and method for uniformly coating one or more fibers (10) with particles of a material is described. The method uses a vibrator preferably an acoustic speaker (17b) in a housing (17c) to fluidize the particles (P1) in a chamber (17 or 3...
04/07/1992
5074015Unit for continuous heat treatment of textile thread
The object of the present invention is the free retraction of thread spirals placed on a perforated conveyor belt during a heat treatment such as heat retraction or heat fixing of dyes. The device applies shaking movements or vibrations to a vertical comp...
12/24/1991
5042122Method and system for spreading a tow of fibers
A method and system for spreading a tow of fibers (12) using the acoustic energy from a speaker (16a) or other vibrating device for a gaseous medium over which the tow passes as the fibers zig-zag between rods (16d) is described. The spread two of fibers ...
08/27/1991
5042111Method and system for spreading a tow of fibers
A method and system for spreading a tow of fibers (12) using the acoustic energy from a speaker (16a) or other vibrating device for a gaseous medium over which the tow passes as the fibers zig-zag between rods (16d) is described. The spread tow of fibers ...
08/27/1991
4637104Apparatus for spreading out a plurality of filaments
In a baffle tray for a fiber distributor, the tray has opposite curved walls, the lower edges of which of their midpoints are each provided with an arcuate recess to aid in uniform formation of a fleece....
01/20/1987
4541825Low air pressure method and apparatus for forming filter rods
The present invention relates to high speed process and apparatus suitable for the preparation of cigarette filter rods having high tow utilization in terms of pressure drop per unit rod weight without producing substantial tow density variations. In acco...
09/17/1985
4365395Apparatus for handling textile filamentary material
Static tow inverting apparatus for inverting the overlap of overlapping layers of a continuous length filamentary tow band of textile material deposited onto the surface of a moving conveyor in relaxed condition for treatment, such as in the thermal heat ...
12/28/1982
4081856Apparatus for forwarding and charging a bundle of filaments
Apparatus for charging and forwarding a group of filaments to a web formation zone wherein an attenuator forwards the group of filaments along a path into impingement with a target electrode positioned downstream from the attenuator and in the filament pa...
03/28/1978
3961396Method and apparatus for loosening and spreading of filament tows
A method and apparatus for loosening and spreading textile tows comprised of bundles of synthetic filaments preparatory to cutting into staple fiber is illustrated including tensioning the tow in a stretching zone while intermittently exerting a force the...
06/08/1976
3952134Continuous filament product
A crimped deregistered tow of continuous filaments wherein the filaments are coated with a silicone finish which is substantially free of antistatic agents and the products produced therefrom such as pillow, sleeping bags, furniture cushions and the like....
04/20/1976
 
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