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| Number | Title | Issue Date |
| 7833468 | Longitudinal orientation of a tubular thermoplastic film The improved method and apparatus for longitudinal orientation of a tubular thermoplastic film as it leaves an annular extrusion die aims at a better control of this orientation. On its travel between the exit orifice (21) and the draw-down means, the at leas... | 11/16/2010 |
| 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, and a downstream arranged flattening device. For providing as contactle... | 10/20/2009 |
| 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 melt viscosity is within the range of 30 to 90 kcal/mol, with the ra... | 12/16/2008 |
| 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 gaseous medium introduced into an inner space thereof, while the tubular fi... | 06/17/2008 |
| 7368165 | Process for the production of coated polymeric film A heat-sealable polymeric film includes a substrate layer of polymeric material having on a surface thereof a heat-sealable coating layer. The layer includes a copolyester and is less than 8 μm in thickness. The copolyester consists essentially of repeat units of o... | 05/06/2008 |
| 7326747 | Internal wetting agent for use in manufacture of polymeric films and fabrics for disposable absorbent articles An improved internal wetting agent is provided for blending with polymeric material, with the formation of apertured films and/or polymeric fibrous webs contemplated. Films and/or nonwoven fabrics of this nature are suited for use in disposable absorbent articles, p... | 02/05/2008 |
| 7320822 | Electrophotographic conductive member and electrophotographic apparatus In an electrophotographic conductive member composed of at least a thermoplastic resin composition, the thermoplastic resin composition contains a thermoplastic resin, a conductive filler and a conductive-filler dispersing agent, and the conductive-filler dispersing... | 01/22/2008 |
| 7223806 | Manufacturing method of film-like materials of resin and film-like materials of resin A film-like materials of resin manufacturing method for producing a film-like material made of a resin by rolling a thermoplastic resin material containing a thermoplastic resin using a molding apparatus comprising first rotation molding members composed of a pair o... | 05/29/2007 |
| 7208211 | Electrophotographic belt member, process for producing electrophotographic belt member, and electrophotographic apparatus In an electrophotographic belt member comprising a resin composition, the resin composition contains from 30% by weight to 90% by weight of a thermoplastic resin, from 2% by weight to 30% by weight of a compound selected from the group consisting of a polyether-este... | 04/24/2007 |
| 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 agent in an amount of 2.0-8.0% by weight based on the total weight of ... | 02/27/2007 |
| 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 an inner space of the tubular film, while the tubular film is being c... | 01/09/2007 |
| 7148272 | Biodegradable material based on polymer and cereal flour, method for making same and uses A biodegradable material comprising a mixture of at least one polymer with at least one cereal grain flour and, optionally, one or more acceptable additives. ... | 12/12/2006 |
| 7128862 | Biaxially oriented multilayer polymer tube for medical devices A tubular extruded member particularly suitable for use in medical devices such as intravascular catheters and guide wires, wherein the extruded tubular member includes multiple layers having biaxial helical orientation in different directions. A counter-rotation ex... | 10/31/2006 |
| 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 layer flat film and transversely and/or longitudinally stretching of... | 06/20/2006 |
| 7049361 | Polyolefin series resinfilm, composition for preparing the same, process for preparing the composition for preparing the same, and apparatus for preparing the same The polyolefin [A] has a weight average molecular chain length of 2850 nm or longer and a density ρ1 (g/cm3), the polyolefin wax [B] has a weight average molecular weight of 700–6000 and a density ρ2 (g/cm3), the polyolefin an... | 05/23/2006 |
| 7049382 | Activated carbon filter The present invention relates to a novel polymer as binder for producing activated carbon filters. The polymer of the invention is a polyethylene homopolymer and/or copolymer having a melt flow index (MFI 190/15) of from 1.2 g/10 min to 10 g/10 min, a polydispersity... | 05/23/2006 |
| 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 polyoxymethylene copolymer containing 0.5 to 10 moles of specified oxyalk... | 04/04/2006 |
| 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 C3-C20 α-olefins, dienes, and cycloalkenes, wherein the interpolymer is char... | 01/03/2006 |
| 6949296 | Polyimide substrates having enhanced flatness, isotropy and thermal dimensional stability, and methods and compositions relating thereto The substrates of the present invention comprise a polyimide base polymer derived at least in part from non-rigid rod monomers together with optionally rigid rod monomers where the substrates are cured under low tension. The resulting polyimide materials have been f... | 09/27/2005 |
| 6941056 | Light guide and method for producing transparent thermoplastic resin composition for light guide A light guiding plate, characterized by comprising a transparent thermoplastic resin composition containing 1-200 ppm of fine particles having a refractive index of 1.7-3.0 and an average particle diameter of 0.01-1.0 μm. This light guiding plate is suitable for di... | 09/06/2005 |
| 6926512 | Apparatus for extruding foamed polypropylene sheet having improved surface appearance A coat hanger extrusion die wherein the aperture of the die land widens along the extrusion axis of the die to the die exit opening, thereby forming an expansion zone. ... | 08/09/2005 |
| 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, contains a block copolymer with “hard” aliphatic polyamide blocks ... | 07/19/2005 |
| 6911522 | Filled epsilon-caprolactone based polymer compositions, method for preparing same and articles based on said compositions Compositions based on ε-caprolactone polymer, comprising at least one ε-caprolactone polymer and calcium carbonate. Process for preparing these compositions, which are used for manufacturing articles, in particular films, preferably obtained by extrusion blow-moul... | 06/28/2005 |
| 6909028 | Stable breathable elastic garments A thermally stable microporous breathable film is provided comprising at least 35% filler, by weight of the filled-film, and a thermoplastic polymer blend of a first polyethylene polymer and a second polyethylene polymer. The first polyethylene polymer comprises 30%... | 06/21/2005 |
| 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 impregnated with a resin, and inflating the perform in the trench. | 05/31/2005 |
| 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 crystal of the thermoplastic resin in the film to the MD direction of the f... | 02/08/2005 |
| 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 air flow from a controller in response to signals received from the ... | 10/12/2004 |
| 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 employed. The method includes the addition of low concentrations of a nu... | 05/11/2004 |
| 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, and the present invention provides a blown film whose surfa... | 02/24/2004 |
| 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 one cavity therein, or a plastic product filled with a fille... | 02/24/2004 |
| 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, wherein the resin guiding device comprises a pair of guid... | 01/13/2004 |
| 6620895 | Processing polyethylenes Polyethylenes made from ethylene and a series of -olefins using a catalyst that copolymerizes ethylene and -olefins usually have excellent melt processing characteristics, especially in uses where high zero shear viscosity and low high shear... | 09/16/2003 |
| 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 useful for producing modified atmosphere packages that preserv... | 08/05/2003 |
| 6592786 | Method and apparatus for lay flat control in an extruded film production line An apparatus for producing an extruded film tube and supplying said tube to a collapsing and roller assembly includes a die for extruding a molten material in the form of a tube which is in a molten state below a frost line and in a solid state above the ... | 07/15/2003 |
| 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 application of a voltage via the belt-shaped transfer member.... | 07/15/2003 |
| 6562263 | 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 air flow from a controller in response to signals receive... | 05/13/2003 |
| 6521168 | Method and equipment for the dual orientation of multiple-layer thermoplastic materials A process for orienting and drawing multiple-layer thermoplastic materials, in particular of a tubular type, wherein a tube exiting from a heating tunnel is brought up to an orienting temperature of a first material having the highest orienting temperatur... | 02/18/2003 |
| 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 a detected position under the extruded film tube. A bubbl... | 07/23/2002 |
| 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.... | 07/09/2002 |
| 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 reducing layer covering the second surface of the core lay... | 11/06/2001 |
