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7468152 |
Process for forming bioabsorbable implants
A process for forming a rod of bioabsorbable polymeric material includes extruding the material at a temperature above its melting point at a controlled rate of between 0.4 to 20 feet per minute to...
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7255761 |
Stitch-bonded and gathered composites and methods for making same
Disclosed herein is a composite comprising at least one heat shrinkable adhesive layer stitch-bonded with yarns, which shrink less than the adhesive layer or do not shrink, when the adhesive layer...
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7214339 |
Polyester film and a production method thereof
The object of the present invention is to provide a method for producing a polyester film excellent in rigidity, toughness, dimensional stability, electric properties, etc. and less in thickness...
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7070723 |
Method for spin-drawing of melt-spun yarns
A method is provided for simultaneous spin-drawing of continuous yarns consisting of one or more filaments, comprising the steps in which a melt of a thermoplastic material is fed to a spinning...
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7052641 |
Process of making stretch wrap film
A method of making a plastics stretch film comprises the steps of taking a cast or blown film of LLDPE at a temperature of between 50° C. and 100° C., stretching it in two successive stretching...
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6982055 |
Multiheaded hook
The present invention provides a method for forming preferably a unitary polymeric hook fastener comprising a flexible backing, and a multiplicity of spaced hook members projecting from the upper...
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6921803 |
Poly(trimethylene terephthalate) fibers, their manufacture and use
A process for preparing poly(trimethylene terephthalate) fibers comprising (a) providing a poly(trimethylene terephthalate) composition comprising about 0.05 to about 5 mole % tetramethylene...
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6896843 |
Method of making a web which is extensible in at least one direction
A method includes the steps of co-extruding a first component and a second component. The first component has a recovery percentage R 1 and the second component has a recovery percentage R 2 ,...
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6881375 |
Method of forming a 3-dimensional fiber into a web
A method includes the steps of co-extruding a first component and a second component. The first component has a recovery percentage R 1 and the second component has a recovery percentage R 2 ,...
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6881362 |
Process and apparatus for the relaxation of interlayer sheet
A process for relaxation of interlayer sheet is provided which comprises heating the interlayer sheet, followed by leading the heated interlayer sheet over an air-cushion table with regulation of...
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6872352 |
Process of making web or fiberfill from polytrimethylene terephthalate staple fibers
The invention relates to webs or batts including polytrimethylene terephthalate crimped staple fibers and fiberfill products comprising such webs and batts, as well as the processes of making the...
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6835339 |
Process for preparing poly(trimethylene terephthalate) tetrachannel cross-section staple fiber
Poly(trimethylene terephthalate) tetrachannel cross-section staple fibers, as well as yarns, fiberfill webs, batts and products, and fabrics made therewith. Also, the process of making such staple...
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6833090 |
Process for making a polarizing film
The present invention provides a polarizing film having a high polarization degree and high transmittance, a process for producing the polarizing film, and a polarizing plate using the polarizing...
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6811638 |
Method for controlling retraction of composite materials
The present invention provides a process for heat treatment of non-woven composite elastic material including a non-woven elastic layer; a non-woven gatherable layer. The process includes...
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6764623 |
Process of making polyester filamentary yarn for tire cords
Polyester multi-filamentary yarn, useful as tire reinforcement, is produced by melting polyester resin at 290° C. or below including at least 90 mol % of polyethylene terephthalate with intrinsic...
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6752945 |
Process for making poly(trimethylene terephthalate) staple fibers
A process of making polytrimethylene terephthalate staple fibers, including (a) providing polytrimethylene terephthalate, (b) melt spinning the melted polytrimethylene terephthalate at a...
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6676871 |
Gas-permeable but liquid-impermeable polyolefin microporous films
The invention concerns a method for producing a microporous film with strong isotropic tendency permeable to gases and impermeable to aqueous liquids, consisting of at least one layer, comprising...
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6630240 |
Bulky polyester multifilament composite yarn and process for producing the same
A bulky polyester multifilament composite yarn having a delicate hand and an appropriate bulkiness, which comprises two types of polyester filaments FA and FB differing from each other in average...
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6616883 |
Process of making stretch wrap film
A method of making a plastics stretch film includes the steps of taking cast or blown film of LLDPE at a temperature of between 50° C. and 100° C., stretching it in two successive stretching...
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6613254 |
Method for making extruded, oriented fiber
The present invention includes processes for making fibers, which processes include an extrusion step wherein molten polymers are extruded through an extrusion die, thereby forming at least one...
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6613257 |
Process for making load limiting yarn
A process for making load limiting yarn comprising making block copolymer and then spinning the block copolymer into yarn. The process employs a twin screw extruder and comprises (A) forwarding...
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6471906 |
Ultra low-tension relax process and tension gate-apparatus
The invention describes a low tension relax process and corresponding apparatus, wherein a tension gate is incorporated into a relax zone in a yarn production process. The tension gate can be...
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6383430 |
Method for producing stretch wrap plastic film
The present specification discloses a plastics material film ( 1 ) that is stretched beyond its yield point to about 100% to 400% elongation and thereafter only partially relaxed to release part of...
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6358457 |
Method of stretching films according to an overbias or overstretch profile
A method of biaxially stretching a polymeric film along an overbias stretch profile having the steps of (a) imparting a sufficiently high temperature to the film to allow a significant amount of...
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6287499 |
Process of making bioabsorbable block copolymer filaments
A method for making bioabsorbable block copolymer includes extruding a mixture of first polymeric component particles with second polymeric component particles under conditions sufficient to cause...
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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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6071452 |
Process of making polytetrafluoroethylene fiber
A PTFE fiber that is adapted to be sewn at high speeds. The fiber has a toughness greater than about 0.36 grams per denier (g/d). A range for the toughness is from about 0.36 to about 1.01 g/d,...
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6017480 |
Process for producing polyolefin materials
A process for producing polyolefin materials is disclosed which comprises the steps of (a) preparing a molded article of an ultra-high-molecular-weight polyolefin having a viscosity-average...
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5958322 |
Method for making dimensionally stable nonwoven fibrous webs
A method and apparatus for tentering nonwoven webs during annealing. The nonwoven web of thermoplastic fibers is restrained on a tentering structure at a plurality of tentering points distributed...
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5945055 |
Process for making a filament from a polyester-polypropylene blend
A method for making linear materials for fasteners, particularly monofilaments, which possess pearly luster and retain this pearly luster intact even after being dyed. A polyester, particularly...
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5925305 |
Oriented film easy to split and method of producing the same
An oriented splittable film which contains nylon and meta-xylylene adipamide at a weight ratio of 40-85:15-60 and which was oriented with a magnification above 2.8 times in both directions of MD...
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5911934 |
Photoreceptor calendering method
A method to remove during fabrication of a flexible electrostatographic imaging member, the curl from a curled layered member having a top surface and a bottom surface and comprised of a substrate...
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5885501 |
Process for preparing dimensionally stabilized biaxially stretched thermoplastic film
An improved process for preparing a biaxially stretched thermoplastic film, such as polyethylene naphthalate (PEN) or polyethylene terephthalate (PET) film, having low thermal shrinkages by...
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5853647 |
Process for the stabilization of the properties of cellulosic membranes
Properties of cellulosic membranes such as the length and the ultrafiltration rate are stabilized by warmth/humidity conditioning, whereby temperatures in a range of about 30° to 60° C. and...
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5759467 |
Method for making multilayer polyester film
A multilayer polyester film, and a method for making the same, is provided. The film consists of alternating layers of polyethylene terephthalate and polyethylene naphthalate. Biaxial orientation...
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5753168 |
Process for manufacturing high modulus, low shrinkage polyester monofilaments of very uniform diameters
This invention discloses an improved process for manufacturing polyester monofilaments in the diameter range 0.1 mm to 0.3 mm with monofilament properties designed for use as the load-bearing,...
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5733490 |
Process for helically crimping a fiber
Synthetic fiber that are capable of spontaneously transporting water on their surface satisfy the equation (1-X cos θ a )<0, wherein θ a is the advancing contact angle of water measured...
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5718716 |
Process for manufacturing sutures from copolymers of glycolide and E-caprolactone
We have discovered a process for producing a suture from copolymers of glycolide and ε-caprolactone comprising the steps of (a) extruding a melted copolymer of a glycolide and ε-caprolactone...
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5674602 |
Polystyrene foam sheet manufacture
The method of making polystyrene foam for foam products which includes utilizing atmospheric gases as the blowing agents or preferably mixing one or more of these gases and a blending agent which...
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5587278 |
Polyester photographic support
A polyester support prepared by the step of subjecting a polyester film to bulk rolling and heating the bulk rolled polyester film to a temperature of from 50° C. to the glass transition point of...
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5587122 |
In-line annealing of sutures
We have discovered a process for producing a polypropylene suture including the steps of (a) extruding melted polypropylene resin through an orifice and rapidly quenching the melted polypropylene...
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5573719 |
Process of making highly absorbent nonwoven fabric
The invention provides a process for producing a highly absorbent, high strength wiper, which includes the steps of providing a bonded nonwoven web selected from the group consisting of spunbond...
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5534215 |
Process for the preparation of biaxially oriented polyester film
A biaxially oriented polyester film with excellent levelling property is produced by the inventive process which comprises: (a) melt-extruding and extending biaxially a polyester resin to shape it...
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5531951 |
Method of forming staple fibers from self-texturing filaments
A method of producing self-texturing filaments that exhibit a desirable tendency to coil rather than to bend sharply or zig zag. The method includes directing a quenching fluid at extruded hollow...
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5505894 |
Process of making spin-oriented, biconstituent filaments
Polyester filaments of high shrinkage and high shrinkage tension may be prepared by heat treatment of undrawn crystalline filaments of low shrinkage and shrinkage tension, and may be used for...
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5458841 |
Method for making prestretched film
A novel process and novel apparatus for producing prestretched plastic film is presented. The method and apparatus are capable of forming a film from molten material and cooling the film to a...
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5439364 |
Apparatus for delivering and depositing continuous filaments by means of aerodynamic forces
An apparatus for delivering and depositing groups of continuous threads or filaments, which are conveyed by means of a gas flow and which are introduced substantially parallel into a passage having...
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5394595 |
Method and apparatus for shrinking biaxially stretched thermoplastic films
A thermoplastic film web is subjected to a defined shrinking in a treatment apparatus with two mirror-symmetrically arranged tentering chains. For this purpose, each chain is equipped with...
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5385704 |
Process of making polyethylene terephthalate photographic film base
The invention provide an improved polyethylene terephthalate photographic film base having excellent dimensional stability, optical clarity and mechanical strength while also possessing a...
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5384080 |
Method and apparatus for the reduction of the sag and/or of the varying stress profile of a flattened tubular film web produced by a blown film process
The invention refers to a method for the reduction of the sag and/or of the different stress profile of a flattened tubular film web produced by a blown film process and made of thermo-plastic...
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