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7530147 |
Machine for production of non-woven material, adjustment procedure for the same and non-woven material produced thus
A machine for producing a nonwoven feeds continuous filaments onto two surfaces that form a convergent passage. At least one of the surfaces is moving to drive the continuous filaments through the...
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7226518 |
Method and device for making a composite sheet with multiaxial fibrous reinforcement
The invention relates to the manufacture of composite sheets having a multiaxial fibrous reinforcement, which involves:
forming a unidirectional lap of reinforcing threads, at least 50% by...
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7192499 |
Nonwoven fabric with characteristics similar to woven and knitted fabrics
A nonwoven fabric having characteristics resembling woven and knitted fabrics is produced by extruding a plurality of plural component fibers, where each fiber includes first and second polymer...
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6966762 |
Device for opening and distributing a bundle of filaments when producing a nonwoven textile web
The invention concerns a device for opening and distributing a bundle of filaments when producing a nonwoven textile web by a technique which consists in: extruding melted organic polymer through a...
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6511566 |
Method 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...
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6223398 |
Web heating device for a fiber processing machine
A textile fiber processing machine includes a device for forming a fiber web from a fiber lap; a device for advancing the fiber web to a web outputting device for discharging the web thereby in a...
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5766266 |
Method of laser cleaning and bleaching a fiber web
A method and apparatus for bleaching and cleaning fibers of a fiber web. The method and apparatus includes continuously forming and moving a fiber web through a bleaching and cleaning station....
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5665803 |
Shaped articles having improved properties
A melt-extrudable thermoplastic composition is proved which includes a thermoplastic polymer and an improved additive system. In one embodiment, a melt-extrudable thermoplastic composition is...
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5593533 |
Thermobonding interlining comprising a layer of fibers intermingled with textured weft yarns and its production method
A method producing a thermobonding interlining comprises the steps of depositing a non-woven layer of intermingled fibers or filaments presented in a general direction on a conveyor of wire...
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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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5355567 |
Process for preparing engineered fiber blend
The invention is directed to a process for preparing a blended tow of thermoplastic and reinforcing fibers. The process of the invention includes the steps of forming a substantially planar spaced...
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5336071 |
Air gun for the production of non-woven fabric and non-woven fabric producing apparatus
An air gun apparatus which permits stable, fine spinning and is capable of discharging fine filaments at a certain degree of dispersion and affording a non-woven fabric of uniform shape is...
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5302220 |
Method for manufacturing bulky nonwoven fabrics
A fiber bundle comprising a plurality of composite fibers spun out of a spinneret is blown against a working net conveyor by a drawing force of a high-speed air stream while the air stream is...
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5252158 |
Method and apparatus for producing nonwoven fabrics
The present invention relates to a novel method and apparatus for producing nonwoven fabrics. Generally, in production of nonwoven fabrics, in order to obtain a nonwoven fabric with a wide width,...
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5191680 |
Filament threading in an air gun for producing nonwoven fabrics
An air gun for producing nonwoven fabrics has an inlet, a carrier path and a compressed air blow port. The air gun receives filaments spun from high speed spinning nozzles and delivers them onto a...
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5045271 |
Process for the production of irregular non-woven material sheets
In the production of irregular non-woven material sheets of synthetic filaments, the warp from spinnerets is drawn off by means of a draw-off device and then deposited on a substrate. To avoid...
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4976012 |
Method of forming a web
A method of preparing a reinforcing web for a composite structure. A continuous strand is deposited in a bed of pins according to a desired pattern such as overlapped rows of shingled loops.
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4964197 |
Apparatus for the production of non-woven material from endless filaments
To produce non-woven materials, endless filaments in the form of a warp are drawn off a filament draw-off nozzle to which are joined a filament offlet, a filament guide tube and a spreading...
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4933129 |
Process for producing nonwoven insulating webs
A process for producing high performance, metallic coated staple fibers and nonwoven insulating webs made up of such fibers includes providing a nonwoven substantially two-dimensional web of fibers...
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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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4753698 |
Method for the production of spun bonded nonwoven fabrics having a uniform structure
Disclosed is a method for producing spun bonded nonwoven fabrics which have a highly uniform fleece structure and a uniform weight per unit area. In the method, a plurality of linear ranks of...
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4715924 |
Apparatus for forming a web
A robotized apparatus for forming a web to be used as a reinforcement in a plastic composite. The apparatus has a dispensing head including a freely rotatable tube which is moved according to a...
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4628571 |
Method for production of a non-woven fabric
A non-woven fabric is produced by the transportation of a fiber flow at an angle which is less than 90° to the transport direction of the non-woven fabric to be manufactured, with the feed rate of...
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4589169 |
Apparatus for production of a non-woven fabric
A non-woven fabric is produced by the transportation of a fiber flow at an angle which is less than 90° to the transport direction of the non-woven fabric to be manufactured, with the feed rate of...
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4442062 |
Process for producing melt-blown thermoplastic articles
A process and apparatus are provided for the production of a non-woven fabric by melt-blowing wherein one or more yarns, e.g. monofilaments, are added or charged into the fabric stream between the...
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4436564 |
Reinforcement product for use in cement boards and a method of manufacturing said product and boards
The present invention discloses a reinforcement product for use in cement boards and a method of manufacturing said product and of manufacturing cement boards using this product. The reinforcement...
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4392903 |
Process for making a thermal-insulating nonwoven bulky product
A process for producing thermal-insulating nonwoven bulky product characterized by its structural make up of substantially continuous single filaments of from about 0.01 to 2 denier which are...
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4380104 |
Apparatus for separating the filament bundle of fibrous material
A fibrous material composed of multifilaments is forced out of a spinneret with a fluid to collide with an impingement plate thereby separating the filaments, said impingement plate having as its...
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4346504 |
Yarn forwarding and drawing apparatus
An improved fluid operated forwarding and drawing apparatus for continuous filamentary materials including a jet nozzle structure defined by a fluid outlet port from a fluid plenum chamber and a...
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4340563 |
Method for forming nonwoven webs
An improved method and apparatus for forming nonwoven webs by spinning filaments into a quench chamber where they are contacted with a quenching fluid, then utilizing the quench fluid to draw the...
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4334340 |
System and method for dispersing filaments
A method and system are provided for dispersing a plurality of closely associated filaments so that the dispersed filaments are capable of being deposited, in a random, convoluted pattern, on a...
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4322027 |
Filament draw nozzle
A filament draw nozzle including throughbore defining means having a shoulder spaced from the throughbore, a housing defining an aperture and positioned on the throughbore defining means, said...
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4300876 |
Apparatus for fluidically attenuating filaments
Apparatus for fluidically attenuating streams of molten material into filaments is provided comprising; a base having a first chamber and a recess separated by a wall having a plurality of...
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4284395 |
Apparatus for forming filaments
Method and apparatus are provided for forming filaments comprising: means for supplying a plurality of streams of molten material; attenuation means for supplying of moving fluid to attenuate said...
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4276682 |
Device for laying down continuous material by means of a pair of profiled rolls
A device for laying down a continuous material with the aid of a pair of profiled rolls, consisting of two wheels, the peripheries of which are provided with teeth and which form an engagement...
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4276106 |
Laying oriented fibrous webs
An apparatus for laying down a fibrous strand in an ordered configuration comprises means for supplying a fibrous strand, means for forwarding the strand, means to impart an oscillatory motion to...
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4270888 |
Apparatus for producing filaments
Process and apparatus are provided for producing filaments comprising: supplying a plurality of streams of molten material; attenuating said streams of material into continuous filaments through...
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4217159 |
Laying oriented fibrous webs
A process and apparatus for laying highly ordered webs wherein a fibrous strand forwarded towards a collecting surface is caused to oscillate up to an amplitude equal to the desired web width and...
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4208000 |
Apparatus for advancing strand material
An apparatus is disclosed for the attenuation or advancing of strand material, such as glass strands. The apparatus includes a single belt and a plurality of wheels around which the belt is driven...
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4202855 |
Method of producing continuous multifilament yarns
A method for producing a multifilament yarn by melt spinning of individual filaments which are grouped together to form yarn, in which, before winding, the yarn is subjected, in addition to the...
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4172307 |
Process and apparatus for the manufacture of non-wovens
For the manufacture of non-wovens, filaments are laid down on a moving surface. The filaments are deflected by means of a rotating deflector and a subsequent guide plate connected thereto. It is...
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4163305 |
Process and device for the manufacture of non woven webs from filaments
Non woven webs are produced from filaments by laying down the said filaments in the form of cone sections on a moving surface with simultaneous spreading out to a filament veil with the use of...
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4154889 |
Nonwoven fabric, method and apparatus for it's manufacture
A nonwoven fabric is produced by forming a batt of fibers which are oriented primarily transverse relative to the direction of movement of the batt, stretching said batt longitudinally relative to...
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4064605 |
Method for producing non-woven webs
A method for continuously producing a non-woven web having uniform distribution of filaments from natural or synthetic fibers comprising drafting with use of a high speed air-jet type drafting...
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4017580 |
Process and apparatus for manufacturing non-woven webs of continuous thermoplastic filaments
A process for the manufacture of non-woven webs of continuous filaments by extrusion, stretching, deflection and deposition of a bundle of filaments on a receiving table and executing a...
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4009508 |
Method for forwarding and charging a bundle of filaments
Method 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...
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3945545 |
Method and apparatus for forming a yarn web on a conveyor
Yarn is fed pneumatically through a flexible tube having a delivery end which oscillates transversely over a conveyor. The yarn leaving the delivery end of the tube strikes a transverse deflector...
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3940302 |
Non-woven materials and a method of making them
A non-woven web contains bicomponent filaments having a core of polypropylene and a sheath of specified copolyamides, together with polypropylene homofilaments, in which is embedded parallel yarns...
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3938221 |
Manufacture of non-woven materials
Apparatus for forming a tubular non-woven web comprising filament supply means and filament forwarding means, between which there is no cumulative angular motion, and a filament collector...
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3934312 |
Method of and apparatus for making continuous strand mat
The present invention proposes a method of and appratus for making a mat of continuous strands of glass fibers or the like wherein each strand comprises a large number of individual filaments. The...
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