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Document Title |
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7604770 |
Method of producing a film made of a thermoplastic material
A method and a device for producing a film made of a thermoplastic material, wherein a plastic melt is blown up into a film bubble and is shaped into a desired film by a calibrating arrangement,...
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7550102 |
Method for producing a helically shaped, seamless multi-walled cylindrical article
A method of making a composite tubular article made up of at least two concentric members, the outer of said members being tubular and the inner of said members being at least cylindrical and...
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7465420 |
Film forming method
The method of manufacturing a film of thermotropic liquid crystal polymer includes extruding a thermotropic liquid crystal polymer of a kind in which any one of activation energies Ea1 and Ea2 of a...
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7387760 |
Apparatus for and method of making inflation films
An apparatus for making an inflation film formed by extruding a raw resin in a molten state through a circular die to form a tubular film, and expanding the tubular film by the pressure of a...
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7182998 |
Heat-shrinkable film
Disclosed is a cross-linked heat shrinkable film comprising an ethylene polymer resin which has a gel fraction of 5-40%. Furthermore, this film contains a glycerin fatty acid ester surface active...
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7160499 |
Method for making inflation films
An inflation film is formed by extruding a raw resin in a molten state through a circular die to form a tubular film, expanding the tubular film by the pressure of a gaseous medium introduced into...
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7063764 |
Apparatus and method for producing a polyolefinic transpiring film
The invention relates to a method and a plant for producing polyolefinic transpiring films by means of bubble extrusion of a LLDPE and filler mix, flattening of the extruded tube to obtain a double...
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7022280 |
Process of making a flat yarn from polyoxymethylene film
A flat yarn of a high strength and a high modulus of elasticity, being excellent in solvent resistance, thermal stability and resistance to bending fatigue is provided. The flat yarn comprises...
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6982311 |
Films produced from substantially linear homogeneous olefin polymer compositions
The subject invention provides a film having at least one layer comprising an interpolymer of ethylene and at least on comonomer selected from the group consisting of C 3 -C 20 α-olefins, dienes,...
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6919112 |
Polyamide-based sausage skin which can be filled manually
The invention concerns a biaxially stretched and thermoset tubular seamless single- or multi-layered foodstuff skin wherein the layer, or, a multi-layered skin wherein at least one of the layers,...
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6899842 |
Method and installation for laying a cylindrical pipe on a support
A process and plant for laying a pipe in a trench comprising placing a flattened tubular preform in the trench, the perform having a reinforcement surrounding an inner seal, the reinforcement being...
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6852270 |
Production method of drawn film
A drawn film production method including steps of drawing a crystalline thermoplastic resin film in the TD direction is characterized in that the orientation coefficient of the c-axis of the...
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6802995 |
Internal bubble cooling control system and method
An internal bubble cooling air control system in a blown film apparatus has sensors arranged to increase response time and reduce interference, and includes a high speed valve for fast actuation of...
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6733719 |
Polypropylene biaxially oriented film
A method of making a polypropylene product for use in making films and preferably biaxially oriented films and more preferably biaxially oriented films wherein a tenter-frame processing line is...
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6696134 |
Blown films and a method for producing the same
An objective of the invention is to provide a blown film which is excellent in terms of the optical characteristics, the tear strength and the rigidity as well as a method for producing the same,...
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6696011 |
Extruding and blow-molding method for forming a plastic product
A plastic product, and method and device for producing such plastic products are disclosed. The present invention produces a plastic product having a completely sealed sidewall defining at least...
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6676396 |
Resin guiding device for inflation molding apparatus
Provided is a resin guiding device for an inflation molding apparatus, which guides a molten resin extruded and blown into a tubular resin from an inflation molding die, to a pair of take-up rolls,...
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6620895 |
Processing polyethylenes
Polyethylenes made from ethylene and a series of α-olefins using a catalyst that copolymerizes ethylene and α-olefins usually have excellent melt processing characteristics, especially in uses...
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6602590 |
Lidding film for modified atmosphere packaging
The invention relates to high gas barrier packaging films exhibiting good shrinkage and containing an antifog composition for modified atmosphere packaging of foods and the like. The films are...
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6592803 |
Process for producing belt-shaped member from a die-extruded film having a film thickness, die gap relationship
A process produces a belt-shaped member to be used in an image-forming apparatus is disclosed in which a toner image held on a latent-image-bearing member is electrostatically transferred under...
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6423261 |
Blown film extrusion apparatus and method with improved collapsing frame
A blown film extrusion apparatus and method is provided including a tube position transducer transmits interrogating pulses to the extruded film tube and produces a position signal corresponding to...
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6417289 |
Process for producing LLDPE films with improved impact strength
LLDPE films with superior impact strength are obtained by blowing lightly crosslinked LLDPE resins under film extrusion conditions typically used for blowing HDPE film.
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6312823 |
Compostable multilayer structures, methods for manufacture and articles prepared therefrom
A compostable multilayer film includes a core layer having a first surface and a second surface, a first blocking reducing layer covering the first surface of the core layer, and a second blocking...
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6303072 |
Process of making an endless belt
A process for producing an endless belt includes melt-extruding an extrusion material into a cylinder by means of an extruder, where the extrusion material has a tensile break strength of 400...
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6280680 |
Process for the manufacture of environmentally friendly papers and compositions therefor
A process for the manufacture of an environmental friendly paper from about 56% to about 80% by weight of inorganic mineral powders, about 43% to 18% by weight of polyethylene, and about 1% to 2%...
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6251490 |
Compositions of high density polyethylene and poly(ethylene naphthalate)
The invention relates to a polymer blend comprising high density polyethylene (HDPE), poly(ethylene naphthalate) (PEN), and a non-functionalised ethylene copolymer. This polymer blend is useful in...
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6251320 |
Process for producing a cover skin for the instrument panel of a motor vehicle
In a process for producing a cover skin of thermoplastic polyurethane for the instrument panel of a motor vehicle, a preform is produced from thermoplastic polyurethane by extrusion and is...
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6187253 |
Method of preparing indium oxide/tin oxide target for cathodic sputtering
An indium oxide/tin oxide powder with 5-15 wt. % tin oxide is subjected to an annealing treatment at T≥1, 000° C. and is then partially reduced and subjected to hot isostatic pressing to produce...
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6183609 |
Sintered laminated structures, electrochemical cells and process for producing such sintered laminated structures
A sintered laminated structure including a plurality of ceramic layers made of ceramic materials different from one another, wherein each of the ceramic layers is provided with through-holes...
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6180053 |
Process for manufacturing a biodegradable blown film
Process for manufacturing a blown film essentially consisting of an aliphatic polyester, according to which: (1) the polyester is synthesized from at least one cycloaliphatic ester, with the...
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6153132 |
Control method for the manufacture of oriented plastic tubes
A method of expanding a tube of plastics material in which a longitudinally travelling tube is progressively diametrically expanded in internal fluid pressure in an expansion zone between an...
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6132668 |
Biaxially oriented ordered polymer films
This invention relates in general to the formation of thick films having a biaxial molecular orientation. Such films are prepared in accordance with the present invention from rod-like extended...
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6113842 |
Method of making blown films of cellulose
The invention is directed to a method of manufacturing oriented cellulose films by spinning non-derivated cellulose dissolved in amino oxides into a precipitating bath. The cellulose solution is...
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6022636 |
Case for lead accumulators
A case for accumulators in which side walls lying in perpendicular planes are connected by a connecting wall. The intersecting planes define a corner and external profile for the container. An...
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5951943 |
Process and apparatus for continuously forming rings of thermoplastic, shrinkable tubular casings
An apparatus 17 for continuously forming rings of thermoplastic, shrinkable tubular casings 1 includes an unwinding roller 20, a first pair of pinch rolls 2, a ring-forming tool 3, a second pair of...
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5945060 |
Method of making latex-free elastic exercise bands
A non-allergenic resistive exercise device is described. The device is in the form of a relatively thin elongate band of thermoplastic elastomer. In one embodiment of the invention, the device is...
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5910284 |
Process of making polyurethane film
A composite film of two layers, including a graphic color layer containing at least 50 wt % thermoplastic polyurethane, at least 10 wt % pigment, and a polyester elastomer, and an adhesive layer...
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5891383 |
Method and apparatus for cooling extruded film tubes
The present invention is directed to a blown film extrusion apparatus in which film is extruded as a tube from an annular die and then pulled along a predetermined path. The improved blown film...
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5820812 |
Process for strengthening collagen casings using ultraviolet irradiation
Conventionally produced edible tubular casing is improved in its mechanical properties by being exposed to ultraviolet spectra in the range of 180 nm to 420 nm. The so treated casing is humidified,...
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5773059 |
Polyamide-based sausage casing
A polyamide-based sausage casing of a polymer blend comprising a) nylon 6, b) 5-50% by weight, based on the total weight of all polymers in the layer, of a b1) aliphatic copolyamide...
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5759678 |
High-strength porous film and process for producing the same
The present invention relates to a high-strength porous film or sheet consisting essentially of a high-molecular-weight polyethylene resin having a viscosity-average molecular weight of not less...
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5728335 |
Process for extrusion
A process for the extrusion of polyethylene having a broad molecular weight distribution wherein the polyethylene is prepared in pellet form, said extrusion taking place in a pelletizing extruder...
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5686192 |
Transparent polyamide and multi-ply barrier films containing same
The invention relates to a barrier layer resisting the transmission of oxygen for multi-layer barrier film characterized in that it is made of a transparent copolyamide comprising three components....
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5683634 |
Process of making porous films or sheets
A porous film or sheet including a resin composition mainly of an ultra-high molecular weight polyethylene having a viscosity-average molecular weight of not less than 500,000, and having a...
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5674540 |
Withdrawal device for a blown tubular film
A withdrawal device for a plastic tubular film is manufactured in a blowing method by an extruder. To prevent the formation of center wrinkles in the withdrawal of plastic tubular film, at least...
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5658526 |
Method to prepare blown films of vinyl aromatic/conjugated diolefin block copolymer
A method is provided to produce a blown film of a vinyl aromatic/conjugated block copolymer, the method including the steps of: providing an elastomeric composition, the composition comprising a...
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5658524 |
Cellulose article manufacturing method
In a method for forming a cellulose tube suitable for use as a food casing or as cellophane film, in which a solution of nonderivatized cellulose, tertiary amine N-oxide and water is extruded...
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5609817 |
Extrusion-blown films from graft polymers prepared from cereal flour
Moisture-shrinkable films can be extrusion blown from flour-poly(methyl acrylate) graft copolymers. The films shrink when exposed at room temperature to relative humidities approaching 100%. The...
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5601778 |
Process for producing a resin film based on a copolymer of ethylene and vinyl acetate
The relationship between the average degree of roughness of the faces of rough appearance, expressed in microns, and the percentage by weight of units derived from vinyl acetate in the copolymer of...
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5601763 |
In situ pipeline rehabilitation system
Underground pipelines that carry wastewater, water, natural gas, and industrial fluids deteriorate with age. This invention is a process and apparatus for installing a thermoplastic liner in a dry...
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