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7611660 |
Apparatus and method for cooling material during continuous vacuum forming
The present invention relates to an apparatus and method for cooling material during continuous vacuum forming. The apparatus includes one or more cooling regions positioned adjacent one or more...
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7504034 |
Hollow fiber membrane and method of producing the same
A method of producing a hollow fiber membrane includes discharging a polyvinylidene fluoride solution comprising a polyvinylidene fluoride resin and a poor solvent at a temperature above a phase...
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7384591 |
Method for producing abrasive non-woven cloth
A method for producing abrasive non-woven cloth includes forming a non-woven web of fibers including a first layer adjacent to a first surface of the web containing at least about 5% by weight of...
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6943229 |
Low crystallizability polypropylene sheet
A low crystallizability polypropylene sheet which has an average spherulite radius between 0.1 μm and 4 μm, an average number of spherulites of 600/mm 2 or less in a sheet cross section, a solid...
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6383441 |
Liquid-permeable topsheet for body fluids absorbent article and method of making this topsheet
A topsheet for body fluids absorbent article is made of thermoplastic synthetic fibers mechanically entangled so as to extend substantially in a desired one direction and formed with...
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6319456 |
Method for continuous vacuum forming shaped polymeric articles
This invention relates to methods and apparatus for manufacturing shaped polymeric articles by substantially continuous vacuum forming. The method includes providing a sheet of hot polymeric...
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6312640 |
Process of making an apertured web
A porous structure is provided between a forming member and an underlying support structure so as to facilitate the drainage of liquid through the porous member when a web is supported on the...
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6306237 |
Lamination of surfaces using pressurized liquid
A lamination process for orienting and conforming a film or sheet material to a substrate surface having a surface feature such that the film or sheet material reflects the surface feature includes...
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6217811 |
Process and apparatus for vault-structuring of thin material sheets
According to the invention thin sheets of foil are stiffened in a particular way by means of vault-structuring. The vault-structuring occurs either by self-organizing or following a self-organized...
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6203750 |
Method for making a heat-shrinkable film containing a layer of crystalline polyamides
A process of making a biaxially-oriented multilayer film, comprises extruding a tubular multilayer tape and inflating the tape so that the tape is biaxially oriented by stretching in the transverse...
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6033698 |
Fiber-reinforced cellulose-hydrate-based food casing produced with a decreased amount of viscose
A fiber-reinforced, tubular food casing based on regenerated cellulose, which is produced using an amount of viscose solution which is decreased by 10 to 30% in comparison with the standard casing...
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5965084 |
Process for producing non-woven fabrics of ultrafine polyolefin fibers
A process for producing a non-woven fabric of ultrafine polyolefin fibers by subjecting a web of splittable conjugate polyolefin fibers to a water needle processing, and non-woven fabric thus...
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5948709 |
Oil resistant polyamide based adhesive
Oil resistant adhesive compositions and nonwoven articles comprising an adhesive prepared from polymeric dimer fatty acid polyamide resins which are especially suited for use in the elastic...
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5856426 |
Para-oriented aromatic polyamide porous film
A para-oriented polyamide porous film comprising a fibril having a diameter of not more than 1μ, with fibrils planarly arranged as a network or nonwoven fabric and laminated in a layer, the...
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5827468 |
Turning calibration apparatus and process
Convoluted tubing of thermoplastic resin is made by extruding the resin as a molten tubular extrudate, feeding said extrudate into the interior of a rotating tubular member which has a helical...
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5820934 |
Process for producing viscose hoses by precipitation
The present invention relates to a method for the production of a fiber-reinforced cellulose tube by continuous coating of a fibrous non-woven fabric with an alkaline viscose solution which is...
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5759926 |
Fine denier fibers and fabrics made therefrom
The present invention provides a splittable conjugate fiber containing at least two incompatible polymers that are arranged in distinct segments across the cross-section of the fiber, wherein the...
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5520875 |
Process for producing a surfactant treated, formed, polymeric web
A coextruded, multilayer polymeric film having a core layer including a surfactant and at least one outer layer is placed on a forming structure. The forming structure moves in a direction parallel...
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5468442 |
Apparatus and process for gauging and controlling extruded profiled elements
Apparatus and process for gauging and controlling extruded profiled elements, particularly extruded profiled elements made of synthetic material. The apparatus includes at least one control and...
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5449488 |
Method for the heat treatment of a cable
The invention relates to a method in connection with a process for insulating or sheathing conductors or the like, wherein plastic material is extruded into at least one layer on the surface of the...
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5441691 |
Process for microaperaturing and microembossing a polymeric web
A continuous, multi-phase process for microaperturing and microembossing a substantially continuous web of substantially planar polymeric film to conform with the image of multiple forming...
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5250253 |
Method of making a pressure-sensitive adhesive fastener
A pressure-sensitive adhesive fastener having a textured fastening surface so as to have a relatively high shear resistance and a desired peel resistance. The pressure-sensitive adhesive fastener...
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5225139 |
Process for the manufacturing of a mechanically conditioned thermoplastic film with biaxially recoverable stresses
A process of expanding plastics film is disclosed, together with an apparatus for performing that process, in which expansion of the plastics film is performed under the control of a liquid...
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5158819 |
Polymeric web exhibiting a soft, silky, cloth-like tactile impression and including a contrasting visually discernible pattern having an embossed appearance on at least one surface thereof
A soft, silky, cloth-like polymeric web exhibiting either patterns of microapertured or microbubbled surface aberrations, said webs further including a contrasting visually discernible pattern...
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5063009 |
Process for preparation of hollow fibers for fluid separator construction
A method for making hollow fibers having a selective permeability, wherein a majority of the hollow fibers each has on the periphery thereof 1 to 10 fins extending in the longitudinal direction,...
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5028691 |
Process of cooling a heated polyethylene terephthalate film
A process of cooling a heated polyethylene terephthalate film by applying cooling liquid to both surfaces of the heated film and, after the temperature of the film has decreased sufficiently,...
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5009831 |
Extrusion coated substrates with separable and removable layers
Processes for extruding thermoplastic coatings on substrates are provided by this invention. The processes include directing a substrate between two pressure roll means wherein one of the pressure...
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4970034 |
Process for preparing isotropic microporous polysulfone membranes
Isotropic microporous polysulfone membranes can be prepared by using a particular combination of casting solution and precipitation solution formulations, and casting conditions. Both hollow fiber...
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4963266 |
Composition and process for separating fluid mixtures
Disclosed are semipermeable fluid separation membranes prepared from polyaromatic polymers including aromatic repeat units of which at least five mole percent are substituted by moieties having...
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4927574 |
Water bath film cooling apparatus and method
An apparatus for the production of a tubular thermoplastic film, and more particularly, a water bath film cooling apparatus for the rapid quenching of an extruded tubular thermoplastic film so as...
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4921413 |
Apparatus for controlling excess fiber length in a loose tube optical fiber buffer tube
Apparatus for controlling excess fiber length (EFL) in a loose tube optical fiber buffer tube which includes traversing a just extruded plastic buffer tube, containing optical fibers and a filling...
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4898924 |
Process for the production of biaxially oriented rigid rod heterocyclic liquid crystalline polymer films
A process is disclosed for the production of biaxially oriented liquid crystal films. The process includes: (i) forming an anisotropic dope from a polymerization solution of rigid rod...
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4863662 |
Method for melt-spinning thermoplastic polymer fibers
A thermoplastic polymer yarn is spun into a spinning tube charged with a pressurized gas of more than 1 kg/cm 2 G and withdrawn through a yarn exit provided with a unique sealing means which...
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4810458 |
Process for extrusion-molding ceramic bodies
A ceramic body is continuously extruded through a die of an extruder and held on a porous support at a slightly floating state by air pressure jetted from pores of the support.
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4797246 |
Continuous manufacture of a perforated plastic film
A process is disclosed for the continuous manufacture of a perforated plastic film, where the plastic film is extruded directly from the extrusion unit either onto one roller of a pair of rollers...
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4778644 |
Method and apparatus for making substantially fluid-impervious microbubbled polymeric web using high pressure liquid stream
A method for applying a high pressure liquid jet or stream to a web of polymeric film while the film is supported on a moving forming structure to produce a novel microbubbled substantially...
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4776998 |
Method of making refractory shaped articles by cutting vertically hanging extrudates
Shaped articles, especially ones containing a plurality of fine through passages, are made from a composition containing a refractory particulate material by extrusion, cutting the extrudate, while...
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4772444 |
Method and apparatus for making microbubbled and/or microapertured polymeric webs using hydraulic pressure
A method for hydraulically deforming a web of polymeric film while the film is supported on a moving forming structure to produce a novel microbubbled substantially fluid-impervious web exhibiting...
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4687615 |
Method of producing biaxially oriented tubular polyetheretherketone films
A method of producing biaxially oriented tubular polyetheretherketone films having good optical and mechanical properties and heat resistance, by rapidly quenching at a rate of at least 24° C. per...
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4683094 |
Process for producing oriented polyolefin films with enhanced physical properties
An improved method for the production of polyolefin film by extruding molten film from an annular die in a tubular form into an extrusion zone is disclosed wherein physical properties are enhanced...
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4680157 |
Method for the preparation of a crystalline thermoplastic resin sheet
The invention provides a method for the preparation of a sheet of a crystalline thermoplastic resin, e.g. polypropylene, having excellent transparency and surface properties as well as...
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4668761 |
High strength, high modulus polymeric material in continuous length, process for production thereof and device therefor
A polyacetal copolymer of continuous length is disclosed. The copolymer has an apparent density of 1.20 to 1.46 g/cm 3 , and a tensile modulus (X) of 19 GPA or more and a density change percentage...
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4659534 |
Production of thin-walled cylindrical body of aromatic polyester
A process for producing a thin-walled cylindrical body of an aromatic polyester, which comprises (A) heating a continuous thick-walled tubular body of an aromatic polyester by introducing it...
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4597932 |
Method of manufacturing synthetic resin pen nibs
Method of manufacturing synthetic resin pen nibs is disclosed, which pen nibs may suitably be employed in writing instruments for fine lettering or drawing fine lines. The pen nibs are formed of...
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4582666 |
Method and apparatus for making a patterned non-woven fabric
A non-woven fabric having a pattern defined by an array of discrete areas having a reduced fibre density but which are substantially free of perforations is produced by supporting a freshly wet...
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4542886 |
Process for preparing cold drawn film from an ethylene-α-olefin copolymer and at least one of low-density polyethylene or ethylene copolymers and polypropylene, high density polyethylene or crystalline polybutadiene
A composition for shrinkable film which excels in heat-sealability, transparency, strength, and particularly low-temperature quick shrinking property and, therefore, suits production chiefly of...
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4452752 |
Method and apparatus for extruding thermoplastic shape
A method and apparatus for continuously cooling a thermoplastic shape having two open sides in which the thermoplastic shape, in its at least partially molten state, is extruded and/or drawn along...
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4434129 |
Method and apparatus for cooling molten tube
This invention provides an improvement in a method of cooling molten extruded tube produced by a blown-tube process. The improvement comprises cooling the tube utilizing the heat of evaporation of...
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4358416 |
Apparatus and process for cooling and solidifying molten material being electromagnetically cast
An apparatus and process is provided for electromagnetically casting molten material into a desired shape. A containment zone is established. The containment zone has a first section for...
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4356143 |
Apparatus for and a method of curing a continuous length of curable material
In an apparatus and a method for the curing of a continuous length of curable material, the length of material is passed through a curing chamber defined by a tubular body 47. This body 47 is...
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