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7571524 |
Method of producing a spread multi-filament bundle and an apparatus used in the same
A method of producing a spread multi-filament bundle and an apparatus is used in which an arbitrary number of multi-filament bundles of higher strength are simultaneously spread with high speed and...
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7181817 |
Method 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...
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6836939 |
Method and device for producing a textile web by spreading tows
After yarns or tows ( 10 ) have been pre-spread and placed side by side substantially in a common plane, their surface is swept by at least one jet of air ( 22 ) displaced transversely relative to...
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6684468 |
Microfiber structure
A process and apparatus for manufacturing a microfiber structure for absorbing impact energy, sound energy and/or temperature, the structure being used in the ballistic field and in the sound and...
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6543106 |
Apparatus, method and system for air opening of textile tow and opened textile tow web produced thereby
The invention provides an air opening jet for use in a process for making a rectangular structure made from a tow of fibers, such air opening jet including a housing, an air jet for moving the tow...
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6263882 |
Method of and apparatus for making filter mouthpieces for rod-shaped articles of the tobacco processing industry
A tow of filamentary filter material for tobacco smoke which is to be converted into a rod-like filler of a filter rod is conveyed along an elongated path first through a stretching or tensioning...
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6253431 |
Air opening jet apparatus
The invention provides an air opening jet for use in a process for making a rectangular structure made from a tow of fibers, such air opening jet including a housing, an air jet for moving the tow...
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6032342 |
Multi-filament split-yarn sheet and method and device for the manufacture thereof
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5446952 |
Pneumatic induction fiber spreader with lateral venturi restrictors
A machine for producing a graphite fiber tape suitable for use in the protion of metal matrix composites by physical vapor deposition. The machine consists of adjacent air-tight enclosures. Two...
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5445693 |
Method of producing a formable composite material
The invention provides a method of providing a formable composite material comprising providing a reinforcing material (9) having a plurality of superimposed layers (1-6), each layer consisting of...
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5340609 |
Applying fluid additive to fibrous material
Air is blown into filter tow during or immediately after the application of plasticizer; this foams and distributes the plasticizer in the tow. Air may be delivered from a porous plate closely...
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5282779 |
Air jet for producing filter plug for cigarette
An air jet for producing a filter plug for cigarette comprising an imparting portion for propelling force to a tow-like fiber bundle and a beak portion, wherein said imparting portion is...
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5182839 |
Apparatus and method for commingling continuous multifilament yarns
Improving commingling two or more continuous multiple filament yarns into a single yarn by rubbing one yarn against a static charge-inducing body that is supported in an electrically isolated...
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5102690 |
Method 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...
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5060351 |
Process and apparatus for blowing continuous filament tow
Continuous filament tow is partially deregistered, preferably by passing over threaded rolls; and, after being partially deregistered, fully bloomed in an air-blooming mechanism. The air-blooming...
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5042122 |
Method 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...
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5008992 |
Method of producing a bulked composite yarn
A method for combining a relatively elastic yarn component with a relatively inelastic yarn component is disclosed, and wherein the two components are guided through a jet of high velocity air so...
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5003677 |
Method and apparatus for processing a textured yarn
A method and apparatus for processing a synthetic continuous filament textured yarn is disclosed, and wherein the yarn is wetted prior to entering the texturizing nozzle. To effect a uniform and...
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4850301 |
Apparatus for applying liquid additives to a continuous, multifilament tow
Apparatus for applying a liquid additive to a continuous, multifilament tow includes a nonrotating tubular body and a nonmetallic element associated with the wall of the tubular body for contacting...
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4818318 |
Method of forming composite fiber blends
The instant invention involves a process used in preparing fibrous tows which may be formed into polymeric plastic composites. The process involves the steps of (a) forming a tow of strong...
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4803762 |
Method for splicing lengths of fiber tow
A method and apparatus are disclosed for splicing lengths of synthetic fiber tow. The tail of one length of tow and the lead portion of another length are each separated into an equal number of...
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4637104 |
Apparatus 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...
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4522616 |
Method and apparatus for forming cigarette filter rods
The present invention relates to high speed processes and apparatus for the manufacture of cigarette filter rods. In accordance with this invention it has been discovered that in a process of...
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4509452 |
Application of liquid additives to cigarette filter tow
Porous metal filters are adapted for use as liquid applicators for applying a liquid additive to a continuous, multifilament filter tow in connection with the manufacture of filter rods from the tow.
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4502195 |
Method for separating particulate materials from fibrous materials during start-up of texturizing process
In accordance with the present invention, entrained, dense particulate materials are removed from an elongated body of less dense fibrous materials being transported by a moving fluid stream by...
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4472886 |
System and method for venting cooling air from filaments
A system and method for venting cooling air from a plurality of filaments with which said air has been associated, employing a Coanda flow attachment means, including a Coanda flow attachment...
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4472224 |
Opening of cigarette filter tow and jet therefore
An improved jet device for treating a continuous, multifilament filter tow is disclosed wherein discharge means affixed to the exit end of the jet tube of the device are modified to present a...
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4468845 |
Jet and bustle tow blooming apparatus for a tow blooming process
A jet and improved bustle tow blooming apparatus, the jet and bustle apparatus both being rectangular-shaped and the bustle apparatus having vented outlets through which the gases confined with the...
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4435239 |
Pneumatic tow blooming process
Process for treatment of crimped filter tow in preparation for forming tobacco smoke filter rods and including steps of separating and blooming the crimped filter tow into a wide, flat, well-opened...
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4421584 |
Process for the production of sheet-like material comprising split fibers and apparatus therefor
A process for producing a sheet-like material of split fibers, and an apparatus therefor are described. The process includes the steps of introducing a plurality of continuous fiber bundles into a...
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4259769 |
Method and apparatus for banding tows of filamentary material
A running tow of filamentary filter material is banded by a plurality of streams of compressed air which issue from the orifices of plenum chambers forming a row which extends transversely of the...
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4179776 |
Method and apparatus for deregistering and processing an open synthetic tow into fiber-filled articles
An improved method for producing and processing deregistered and disorientated synthetic tow for forming fiber filled articles in which crimped registered tow is deregistered through pairs of rolls...
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3960645 |
Method and apparatus for the opening of tow
The tension of tow fed to the nip of a pair of differential stretching rollers is controlled by drag rollers. The inertia of the drag rollers limiting their speed of response to tow density changes...
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3952134 |
Continuous 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...
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3873389 |
Pneumatic spreading of filaments
Process and apparatus for pneumatically spreading thin graphite or other carbon filaments from a tow bundle to form a sheet or tape in which the filaments are maintained in parallelism. The process...
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3867810 |
SPLICED TOW AND PROCESS FOR MAKING SPLICED TOW
The ends of two tows or ropes of continuous filaments are overlapped and spliced together with a pneumatic tow-splicer or other means for interentangling the filaments, the sides of the tows are...
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3852009 |
FILTER MAKING APPARATUS
Aerosol filters, particularly cigarette filters, are formed from short synthetic fibers containing a bonding agent by confining a random array of said fibers having an orientation predominantly...
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3840941 |
METHOD AND APPARATUS FOR MAKING A LAP OF FIBRES
A method of manufacturing a lap of fibres from a sliver of continuous chemical fibres by passing the sliver through the nips of two spaced pairs of driven rollers, and subjecting the section of...
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3819469 |
STITCHED NONWOVEN WEBS
A non-woven continuous filament product and a method for producing said product which comprises deregistering a crimped tow of continuous filaments, spreading the deregistered tow to produce a web,...
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3802980 |
CONTINUOUS FILAMENT WEB AND METHOD OF MANUFACTURING THE SAME
A nonwoven unitary web of synthetic textile filaments with each filament having a denier of less than 10 and each filament having an irregular sinuosity with looped fiber portions overlapping and...
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3796035 |
SEMI-CONTINUOUS FILAMENT COMBINATION YARN
A method, apparatus and product comprising producing a semi-continuous filament yarn having staple yarn characteristics from crimped tow comprising longitudinally slitting a deregistered tow...
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3785062 |
METHOD AND APPARATUS FOR CONTROLLING THE MANUFACTURE OF SYNTHETIC FIBERS
Disclosed is a method of controlling the processing of a continuous length filamentary tow of synthetic fibers wherein the tow is moved through a water bath, drafted, and subsequently moved through...
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3769883 |
APPARATUS FOR REGULATING THE OPERATION OF FILTER ROD MAKING MACHINES
Filter rod sections which are produced in a variable-speed filter rod making machine are automatically expelled from the flutes of a transfer drum in response to any changes in the speed of the...
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3766606 |
APPARATUS FOR FORWARDING TOW
A fluid jet apparatus for receiving a ribbon of parallel continuous filaments, then heating and spreading the filaments for deposit on a moving surface as a nonwoven web includes an adjustable...
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3765818 |
HIGH SPEED WET SPINNING TECHNIQUE
In the spinning process the filaments leaving the spinnaret in a vertically downward direction pass through a first coagulating bath and the fluid entrained by the filaments is decelerated by means...
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3760458 |
METHOD AND MEANS FOR STRAND FILAMENT DISPERSAL
A method and means for the production of fibrous strand mats by collecting multi-filament strands in mat-like form, flooding the mat with a liquid to overcome forces holding filaments together in a...
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3750922 |
ASPIRATOR
An aspirating device suitable for use in conjunction with the doffing of yarn wound members, the device employing a vacuum to pick up a yarn end and a selective compressed air supply to increase...
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3744108 |
METHOD AND APPARATUS FOR MAKING ROD-SHAPED FILLERS FOR CIGARETTE FILTERS OR THE LIKE
A tow which consists of filamentary filter material and is being converted into a continuous rod-like filler prior to wrapping to form a wrapped filter rod is being withdrawn from a bale wherein...
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3729777 |
SYSTEM FOR OPENING CRIMPED MULTIFILAMENT BANDS
A system for opening an initially compact crimped multifilament tow includes a plurality of units arranged in tandem and performing different functions. One or more of the units are primarily...
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3713729 |
PROCESS FOR PRODUCTION OF OPTICAL FIBER BUNDLES
A process for producing a bundle of optical fibers aligned in a highly parallel and compact state, which comprises tying a bundle of a number of optical fibers at a small portion in the vicinity of...
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