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7540731 |
Longitudinal film drawing device
The device ( 2 ) comprises four drawing cylinders ( 6, 7, 8, 9 ) on which the film ( 5 ) passes and which are associated with press cylinders ( 13, 21, 26 ), comprising: a first drawing cylinder (...
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7445443 |
Turning bar draw-off device for a tubular film extrusion installation
A turning bar draw-off device for a tubular film extrusion installation, with a plurality of turning bars which can be rotatingly driven around a common axis of rotation or in reverse by rotary...
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7322811 |
Apparatus for spinning and winding multifilament yarns
An apparatus for spinning and winding a plurality of synthetic filament yarns, and which includes a spinning device, a withdrawal godet downstream of the spinning device, and a takeup device which...
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7296986 |
Induction coupling for braking roller drive on the flat-folding device
Equipment that lays flat films or tubular films extruded by a blown film extrusion installation has at least one roller, which guides the walls of the film or the tubular film. The lay-flat...
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7270779 |
Method and device for producing continuous molded bodies
The present invention relates to a method and an apparatus for extruding continuously molded bodies, wherein an extrusion solution, in particular an extrusion solution containing water, cellulose...
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7270531 |
Assembly for use in continuously forming one or more lengths of noise attenuating flexible cutting line for use in rotary vegetation trimmers
An assembly for use in continuously forming a plurality of lengths of flexible noise attenuating cutting line for use in rotary vegetation trimmers. The assembly includes a breaker plate having a...
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7241123 |
Apparatus for producing and winding synthetic multifilament yarns
An apparatus for producing and winding synthetic multifilament yarns, which has a spin unit 1 for melt spinning the yarns, at least one treatment unit 7 for treating the yarns, and a takeup...
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7134857 |
Electrospinning of fibers using a rotatable spray head
Apparatus and method for electrospinning fibers in which the apparatus includes a spray head having a longitudinal axis and including at least one electrospinning element disposed in a peripheral...
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7114942 |
Apparatus for producing synthetic resin film
A calibrating basket for a film blowing tube is provided with roller bearings to prevent stripe formation on the film and pinching of the film between the rollers.
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7018192 |
Apparatus for heat treatment of oblong articles
An apparatus for heat treatment of oblong articles, such as monofilaments, multifilaments, tapes or webs of plastics, comprises a fixed bottom member ( 2 ) and a cover member ( 3 ) hingedly secured...
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7014441 |
Fiber draw unit nozzles for use in polymer fiber production
A nozzle is described for downwardly directing air from an air intake of a fiber draw unit into a longitudinal channel of the fiber draw unit for forming spunbond polymeric fibers. The nozzle...
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6974316 |
Installation for producing a nonwoven web with very uniform weight
The invention concerns an installation for producing a nonwoven web wherein the distance between the lower edge of the slit drawing device and the upper edge of the diffuser is maintained constant...
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6972104 |
Meltblown die having a reduced size
The present invention provides a meltblown die which has a considerable smaller width in the machine direction of the meltblowing process compared to conventional and commercially used meltblown...
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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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6932590 |
Apparatus for the continuous production of spun-bond web
An apparatus for producing spun-bond webs has, beneath the receiving belt, a suction unit having at least two suction zones including a primary suction zone and at least one other suction zone, the...
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6918750 |
Arrangement for the continuous production of a filament nonwoven fibrous web
A spun-bond web-making apparatus has the cooling passage below the spinneret provided with a plurality of air chamber sections which are supplied with air at different temperatures, the cooling...
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6890166 |
Spinning-drawing-texturing machine
A spinning-drawing-texturing machine for producing crimped threads is described, comprising a spinning device, a drawing device, a texturing device, and a take-up device. A plurality of threads...
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6887410 |
Parallel spinning process involving the intermingling of threads between galettes and a corresponding spinning installation therefor
A parallel spinning process, in particular for filaments, e.g. for textile or industrial applications, made from polymers such as, for example, PET or PA, in each case having a thread interlacing...
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6887409 |
Method and device for the production of cellulose fibers and cellulose filament yarns
A method for the production of cellulose fibers or filaments from cell material, by the dry-wet extrusion method with aqueous amine oxides, in particular, N-methylmorpholine-N-oxide as solve is...
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6884053 |
Apparatus for producing a multifilament yarn from a thermoplastic polymer
An apparatus for producing a multifilament yarn from a thermoplastic polymer includes a yarn guiding element being movable in a vertical direction. A drive serves to change the vertical position of...
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6877970 |
Apparatus for making web comprising continuous fibers
An apparatus for producing a web of continuous fibers having a melt extruder, an endless belt running in one direction and a guide box located between the extruder and the belt. The guide box has...
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6808378 |
Device for the production of moldings of plastic reinforced with long fibers
Plastic moldings reinforced with long fibers are made without the risk of forming loops in a continuous thread or roving fed to a cutting unit at the end of a mold filling operation or tearing...
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6799957 |
Forming system for the manufacture of thermoplastic nonwoven webs and laminates
A system and methods for collecting and managing air discharged from a melt spinning apparatus. The air management system includes an outer housing defining a first interior space, an intake...
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6783722 |
Apparatus and method for producing a nonwoven web of filaments
Spunbond nonwoven fabrics are produced with an apparatus which comprises a spinnerette having a plurality of orifices for extruding filaments; an attenuator for receiving and attenuating the...
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6737009 |
Process and system for producing multicomponent spunbonded nonwoven fabrics
A system and process for producing spunbond nonwoven fabric in which two or more polymeric components are separately melted and are separately directed through a distribution plate configured so...
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6716014 |
Apparatus and method for melt spinning a synthetic yarn
A melt spinning apparatus for spinning a synthetic yarn, wherein the yarn is formed by combining a plurality of filaments and wound to a package by means of a takeup device downstream of the...
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6709623 |
Process of and apparatus for making a nonwoven web
Improvements to processes and equipment for the manufacture of nonwoven webs useful in numerous applications including personal care, protective apparel, and industrial products. The fiber and/or...
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6663823 |
Process for making nonwoven fabric and apparatus used for this process
A process for making a nonwoven fabric in which continuous fibers are evenly distributed and neither bundles nor lumps of the fibers, includes a guide box for continuous fibers being provided...
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6660218 |
Filament draw jet apparatus and process
The present invention is directed to a draw jet for drawing thermoplastic polymer filaments including a drawing slot defined by an entrance member including a converging passageway communicating...
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6652255 |
Cooling system for filament bundles
A cooling system for filament bundles, which are spun from polymer melt by at least two spinneret units ( 1 ) disposed one beside the other and are drawn off by a draw-off system ( 17 ), the...
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6607624 |
Fiber-forming process
A new fiber-forming method, and related apparatus, are taught in which extruded filaments of fiber-forming material are directed through a processing chamber that is defined by two parallel walls,...
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6551545 |
Method and apparatus for melt spinning a multifilament yarn
A method and an apparatus for melt spinning a multifilament yarn from a thermoplastic material, wherein a spinneret extrudes the thermoplastic material to strandlike filaments, which are initially...
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6499981 |
Drawing unit
A drawing unit including two or more slits extending in a widthwise direction of a collecting conveyor, each slit including an inlet for sucking groups of filaments pushed out from a spinneret, a...
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6468063 |
Cold drawing apparatus
A cold drawing apparatus is interposed in a system for making a fibrous web and has an inlet for a plurality of melt spun continuous filaments, an outlet for the filaments and a pair of side walls...
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6447703 |
Processes and systems for making synthetic bulked continuous filament yarns
Processes and apparatus are provided whereby the morphology of bulked continuous filament (BCF) yarns can be variably controlled. More specifically, according to the present invention, the BCF yarn...
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6423227 |
Meltblown yarn and method and apparatus for manufacturing
A yarn of meltblown thermoplastic fibers is manufactured by meltblowing fibers onto a collector to form a thin web thereon, and continuously withdrawing and twisting the web into a generally...
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6383432 |
High-speed apparatus and method for producing thermoplastic synthetic fibers
A compact in-line high-speed apparatus and method for producing thermoplastic synthetic fibers includes a melt spinning device with a spinning block and a tow drawer; wherein the spinning block has...
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6379136 |
Apparatus for production of sub-denier spunbond nonwovens
A unique isotropic sub-denier spunbond nonwoven product created by an apparatus comprising a unique multi-head resin metering system, a spinneret head with spinning sections, separated by a quench...
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6375882 |
Spinning machine and conversion process
This invention relates to a process for making a first and a second plurality of fully oriented multifilament yarns on a fully oriented yarn spinning machine. This process includes spinning a...
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6319457 |
Method for extruding tubular film
A method and apparatus is disclosed for lacing an extruded tube of a non derivatized cellulose through an S-wrap to collapse the tube to a flat width. The lacing to form the S-wrap is accomplished...
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6277320 |
Melt spinning method and its apparatus
A melt spinning apparatus that prevents filaments passing through an unstable area from contacting one another. In a melt spinning method for thinning and solidifying each molten filament F ejected...
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6273704 |
Casting apparatus for formation of resin-made membrane
The present invention relates to a casting apparatus for formation of a resin-made membrane which is made to be capable of accomplishing a stable pressure reduction through a suction chamber...
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6246028 |
Device for heating a blown film web, inflated into a blown film bubble between a pair of forward draw rolls and a pair of take off rolls
Device for heating a blown film web, inflated into a blown film bubble between a pair of forward draw rolls and a pair of take off rolls, comprises a frame mounted, driven pair of forward draw...
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6221301 |
Method of producing thermoplastic resin films and apparatus for producing the same
Method and apparatus for producing thermoplastic resin film which allows a biaxially oriented polyester film to be formed at a high speed of 400 m/min or more. In the method, a molten thermoplastic...
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6183684 |
Apparatus and method for producing non-woven webs with high filament velocity
An apparatus for producing a non-woven polymeric fabric web, such as a spunbond web, having filaments of 0.1 to 5 or higher denier with equivalent production rates is provided. A plurality of...
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6170776 |
Outer wrapping film, a device for prior stretching of the film, and an outer wrapping method
A wrapping method comprises the prior stretching of a film. The prior Stretching of the film advantageously includes a step of paying out the film from a feed reel, a stretching step, and a step of...
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6149847 |
Method of and apparatus for the production of polyester yarn
Polyester yarn is made by melt spinning the polyester filaments which are then cooled at least to solidification and heated by counterflow with prestretching to a crystallinity in excess of 24%....
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6148598 |
Thread delivery device for a textile spinning, throwing, texturing or suchlike machine
It comprises a bowl (2) driven positively in rotation and a guide finger (3) which is spaced from the bowl (2) and is mounted on an arm (6) articulated relative to a support (7) mounted on the...
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6129882 |
Apparatus for manufacturing multifilament threads
The invention relates to an apparatus for manufacturing multifilament threads with at least one hot-air module 6 for drawing or relaxing the thread Y. To manufacture multifilaments with...
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6120715 |
Method and apparatus for spinning, drawing, and winding a yarn
A method and an apparatus for spinning, drawing, and winding a synthetic filament yarn, wherein a plurality of filaments are combined in a spin zone to a yarn. Subsequently, the yarn is drawn in a...
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