Embodying Intertwined Or Helical Component(s) Patents (Class 428/222)
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Patent number: 7202322Abstract: A thermoplastic polyether polyurethane having high moisture vapor transmission, high melting point and static dissipative properties is disclosed. The thermoplastic polyether polyurethane is prepared by reacting a hydroxyl terminated polyether intermediate, an aromatic chain extender glycol, and a polyisocyanate. The polymers formed are useful for melt-spun fibers, fabric coatings for breathable garments, house wrap, roofing membranes, and other applications requiring high vapor transmission and high melting points.Type: GrantFiled: October 27, 2003Date of Patent: April 10, 2007Assignee: Noveon, Inc.Inventors: Ravi Ram Vedula, Kimberly Lynn Young
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Patent number: 7091140Abstract: A nonwoven fabric comprises continuous polymer filaments of 0.5-3 denier that have been hydroentangled in a complex matrix of interconnecting filament loops, and that is otherwise substantially free of knotting, or of otherwise wrapping about one another. A process for making a non-woven fabric comprises continuously extruding polymer filaments of 0.5-3 denier onto a moving support, pre-entangling the filaments with water jets, and entangling filaments with a second set of water jets. An apparatus for making a nonwoven fabric comprises means for continuously extruding substantially endless polymer filaments of 0.5-3 denier onto a moving support to form an unbonded web, a pre entangling station for entangling the web with a plurality of water jets, and a plurality of water jets for final entanglement of the filament web.Type: GrantFiled: April 7, 1999Date of Patent: August 15, 2006Assignee: Polymer Group, Inc.Inventors: Rick Ferencz, Michael Putnam, Jian Weng
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Patent number: 6942909Abstract: A cling film system includes first and second film piles having different composition. Each film ply includes at least one cling layer and, desirably, one or more additional layers. Each film ply includes an overlapping portion and a second portion. The cling layer of the first film ply engages the cling layer of the second film ply in the overlapping portion of the first film ply and in the overlapping portion of the second film ply.Type: GrantFiled: January 30, 2003Date of Patent: September 13, 2005Assignee: Illinois Tool Works Inc.Inventors: Jack N. Shirrell, Patrick T. Rigney, Eldrige J. Presnell, Jeffrey G. Kellermann, Christopher Brunning, Xavier J. Maka, Guy L. Rosenthal, Chad D. Broussard
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Patent number: 6932756Abstract: A corrugated cardboard manufacturing machine (10) wherein at least one continuous supporting belt (11) for supporting/conveying a sheet of cardboard is moved along a predetermined path by actuating means (13); and where the supporting belt (11) is defined by a mat of multispiral fabric (1) preferably made of synthetic polymer fibers.Type: GrantFiled: December 28, 2000Date of Patent: August 23, 2005Assignee: Feltri Marone S.p.A.Inventor: Paolo Franchi
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Patent number: 6919132Abstract: A fine texture fiberboard panel having a low resistivity value and a high board hardness value. The panel includes mineral fibers, perlite, cellulosic fibers, and binder. The mineral fibers comprise from about 50% to about 85%, the perlite includes from 0% to about 18%, the cellulosic fiber comprises from about 2% to about 7% and the binder includes from about 6% to about 15% of the panel on a dry solids weight basis. The concentration of mineral fibers includes from about 30% to about 65% nodulated mineral fiber. The perlite has a density in the range from about 7 to about 20 pcf.Type: GrantFiled: August 7, 2003Date of Patent: July 19, 2005Assignee: AWI Licensing CompanyInventors: John Felegi, Jr., Robert C. Garman
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Patent number: 6903034Abstract: A nonwoven fabric comprises continuous polymer filaments of 0.5 to 3 denier that have been hydroentangled in a complex matrix for interconnecting filament loops, and that is otherwise substantially free of knotting, or of otherwise wrapping about one another. A process for making a nonwoven fabric comprises continuously extruding polymer filaments of 0.5 to 3 denier onto a moving support, pre-entangling the filaments with water jets, and entangling the filaments with a second set of water jets on a three-dimensional image transfer device. An apparatus for making a nonwoven fabric comprises means for continuously extruding substantially endless polymer filaments of 0.5 to 3 denier onto a moving support to form an unbonded web, a pre-entangling station for entangling the web with a plurality of water jets, and a plurality of water jets for final entanglement of the filament web on a three-dimensional image transfer device.Type: GrantFiled: December 30, 1999Date of Patent: June 7, 2005Assignee: Polymer Group, Inc.Inventors: Michael Putnam, Richard Ferencz, Marlene Storzer, Jian Weng
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Patent number: 6875314Abstract: This invention relates to paper machine clothing, particularly a press felt, comprising a support and comprising filaments which are formed as profiled monofilaments (1, 5, 6, 7, 8, 13, 18, 23, 24, 25) with a profile which differs from a circular cross-section, which is characterised in that profiled monofilaments (1, 5, 6, 7, 8, 13, 18, 23, 24, 25) are present which are helically profiled.Type: GrantFiled: January 31, 2003Date of Patent: April 5, 2005Assignee: Heimbach GmbH & Co.Inventors: Stefan Korfer, Dieter Telgmann
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Patent number: 6866913Abstract: A protection system for preventing floor surfaces from becoming damaged due to the movement of furniture. The inventive device includes a piece of hook material, an adhesive strip attached to the hook material for attaching to the lower end of a leg of furniture, and a piece of felt pad having a plurality of loop members extending within for removably engaging the hook material. The hook material, and felt pad may be trimmed with a conventional cutting device to conform to the shape and size of the lower end of the furniture. The loop members are preferably inserted within the felt pad utilizing a needling or similar process.Type: GrantFiled: May 20, 2002Date of Patent: March 15, 2005Inventor: Douglas Hanes
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Patent number: 6839639Abstract: Shaped composite structures which are strong, stiff and hard and, at the same time, having high toughness, comprise a matrix, for example a cement or ceramics based matrix and embedded therein a plurality of plate shaped or at lest 60 mm thick elongated reinforcement components, the reinforcing component having at least 1.5 times higher tensile strength that the matrix, the minimum volume per cent concentration of the reinforcement components being related in the manner described in the specification to their tensile strength and (in case of elongated reinforcement components) also their thickness and to the compressive strength and modulus of elasticity and modulus of elasticity of the matrix. Methods for modeling and designing such structures are also disclosed, as are methods for establishing the structure for smaller matrix building blocks which may be pre-fabricated and which are arranged around pre-arranged reinforcement bodies and then fixed to each other and to the reinforcement.Type: GrantFiled: May 12, 2003Date of Patent: January 4, 2005Assignee: Giantcode A/SInventor: Hans Henrik Bache
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Patent number: 6800572Abstract: The present invention relates to fibrous web materials comprising polymeric material wherein the structure of the polymeric material contains elastic amorphous areas nano-scale-size reinforced with self arranged crystalline domains of nano-crystals.Type: GrantFiled: March 27, 2002Date of Patent: October 5, 2004Assignee: The Procter & Gamble CompanyInventors: Bernhard Rieger, Mike Orroth, Gian De Belder
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Patent number: 6752908Abstract: A shoe press includes: a first member; a second member; a substantially cylindrical belt; and a processing unit. The first member has a convex pressing surface. The second member includes a shoe with a concave pressing surface substantially complimentary to the convex pressing surface. The second member further includes a pair of substantially circular head plates rotatably mounted on axially opposed ends thereof. The belt is fixed to, extends between, and is rotatable with the head plates such that a portion of the belt passes between the convex pressing surface and the concave pressing surface. The belt includes embedded therein a communications cable having a plurality of sensors configured to generate signals responsive to an operating parameter of the shoe press. The processing unit is in communication with the communications cable and processes signals generated by the sensors.Type: GrantFiled: June 1, 2001Date of Patent: June 22, 2004Assignee: Stowe Woodward, LLCInventors: Eric J. Gustafson, William S. Butterfield, Bertram Staudenmaier
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Publication number: 20040101637Abstract: A product comprising curly cued paper packaging material and a method for making said product are described. The method employs feeding a substantially continuous web of paper material having a weight of between 21 pound and 100 pounds per 3,000 square feet of paper under tension over at least one knife edge prior to slitting and cutting the paper web into desired widths and lengths. The results are a curly cue product that makes superb packing material for any number of delicate elements that need to be shipped and is also eminently useful for use in decorative packaging. The product described herein is easy to use, has considerably more packing value than other paper packing products and is environmentally safe.Type: ApplicationFiled: November 27, 2002Publication date: May 27, 2004Inventor: Stephen B. Stepanek
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Patent number: 6727197Abstract: A knitted, woven, or braided textile ribbon including fibers and having a length and selvage edges and one or more transmission elements running the length of the ribbon in place of one or more of the fibers and integrated with the fibers to transmit data and/or power along the length of the ribbon.Type: GrantFiled: November 17, 2000Date of Patent: April 27, 2004Assignee: Foster-Miller, Inc.Inventors: Patricia Wilson, Justyna Teverovsky, Brian Farrell, Wendy B. Horowitz, Carole A. Winterhalter, Richard A. Covel, Edward Joseph Tierney
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Patent number: 6699548Abstract: A thin-walled hollow cylinder is made from fiber-reinforced plastics material, the cylinder wall of which is composed of at least one layer having fibers with at least one oriented direction of the fibers, and the total wall thickness dtot lying in the range from 10 to 1000 &mgr;m, and the ratio dtot/D being≦0.0025. The oriented direction(s) of the fibers are selected depending on the intended final application. Examples include, inter alia, multi-layer laminates made from carbon/epoxy, used for the production of a cylinder of this nature, having at least one layer with an oriented direction of the fibers which is parallel or perpendicular to the longitudinal axis of the cylinder.Type: GrantFiled: April 10, 2001Date of Patent: March 2, 2004Assignee: Stork Screens B.V.Inventors: Karst Jan van Weperen, Norbertus Franciscus Jacobus Elemans, Thomas Maria Jonkers
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Patent number: 6647694Abstract: This invention provides a panel body that can be easily assembled by using helical wire members having an excellent working factor. The invention provides also a panel body using helical wire members having excellent impact resistance. Wire members having a predetermined outer diameter are wound in a predetermined lead and pitch to provide a large number of helical wire members in such a fashion that a diameter of a helix is about twice the outer diameter of the wire members, crests and troughs have substantially a similar shape, and each trough is positioned outside the center of helix. A first fixing frame has first fixing bars fitted thereto, which first fixing bars are fitted with predetermined gaps to frame members opposing each other with a predetermined gap between them, and engage with the troughs positioned on the side of one of the surfaces of the helical wire members. Second fixing bars are fitted with predetermined gaps between the frame members of a second fixing frame.Type: GrantFiled: January 24, 2002Date of Patent: November 18, 2003Assignees: Nippon Steel Corporation, Taihei Manufacturing Co., Ltd.Inventor: Nobuhiko Katsura
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Publication number: 20030157308Abstract: The present invention discloses a folded sheet product comprising a folded sheet having a first set of folds and a blister strip attached to a segment of said sheet. A stiff portion may be provided at a corner segment of the sheet.Type: ApplicationFiled: March 11, 2003Publication date: August 21, 2003Inventor: George Wallace McDonald
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Patent number: 6586071Abstract: A protection system for preventing floor surfaces from becoming damaged due to the movement of furniture. The inventive device includes a piece of loop material, an adhesive strip attached to the loop material for attaching to the lower end of a leg of furniture, a piece of hook material for removably engaging the loop material, a piece of protective backing secured to the hook material, and a piece of wool attached to the protective backing in opposition to the hook material. The loop material, the hook material and the protective backing may be trimmed with a conventional cutting device to conform to the shape and size of the lower end of the furniture.Type: GrantFiled: February 7, 2000Date of Patent: July 1, 2003Inventor: Douglas Hanes
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Patent number: 6576305Abstract: A package comprises a layered coil of filament strands, and a multilayer film surrounding, and in direct contact with, the layered coil of filament strands. The coil has an outer surface comprising a bottom surface region, a side surface region, and a top surface region. The film has an inside surface comprising ionomer in direct contact with the side surface region of the layered coil of filaments. The strand material preferably comprises glass fiber and the sleeve preferably comprises a multilayer film having an outer layer comprising ionomer. Preferably, the film has a stiffness sufficient to maintain structural integrity of the package as the strands are being removed in order to prevent collapse of the side walls of the package and entanglement of the strands.Type: GrantFiled: August 16, 1999Date of Patent: June 10, 2003Assignee: Saint-Gobain Vetrotex America, Inc.Inventors: Allen C. Williams, Jr., Jerry Lee Barton, Archie Cameron, Otto G. Jones
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Publication number: 20030039824Abstract: A contaminant removal tape assembly. The contaminant removal tape assembly includes an applicator and a roll of contaminant removal tape mounted on the applicator, where the roll of contaminant removal tape includes a backing having a first side and a second side opposite the first side, a layer of adhesive on the first side of the backing, wherein the layer of adhesive is arranged so as to have discontinuous contact with a surface to which the roll is applied, where the roll includes a plurality of wraps of the tape with the layer of adhesive facing outwardly away from the center of the roll of tape.Type: ApplicationFiled: August 14, 2002Publication date: February 27, 2003Inventor: Barbara J. Aalbers
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Patent number: 6488809Abstract: This invention relates to the process of manufacture of resin treated mercerized cellulose fibers and fibrous products prepared therefrom and is directed particularly to a method of improving permeability and bulking properties and reducing water retention value (WRV) of a conventional high permeability bulk pulp. The invention also includes the improved cellulose fibers, cellulosic sheet materials containing said fibers, and products therefrom (such as automotive oil and air filters).Type: GrantFiled: August 9, 2000Date of Patent: December 3, 2002Assignee: BKI Holding CorporationInventors: Arthur F. Phillips, Susan L. H. Crenshaw, Ellen A. Grimes, Whitten R. Bell
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Patent number: 6451412Abstract: A seam construction for a woven dryer fabric comprises a helical spiral or array of loops (43) stitched or woven into the fabric by means of loop engaging yarns (42) extending the machine direction of the fabric, the neutral plane (44) of the fabric being displaced towards the paper contacting side of the fabric, by reason of yarns (41) in the paper contacting side of the fabric being of smaller diameter than the yarns (40) on the machine side of the fabric, and a pair of cross-machine yarns (44, 45) of equal diameter being located as terminal yarns adjacent the loops (43).Type: GrantFiled: April 28, 2000Date of Patent: September 17, 2002Assignee: Voith Fabrics Heidenheim GmbH & Co KGInventor: David Holden
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Publication number: 20020090499Abstract: A multilayer laminate is produced with in-line fabric deposition. One layer of the multilayer laminate has stable, heat-set, helically crimped fibers which are uncompacted and therefore retain their loft.Type: ApplicationFiled: December 6, 2001Publication date: July 11, 2002Inventors: Jeffrey David Shelley, Kurtis L. Brown
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Patent number: 6405676Abstract: A discharged urine or other waste fluids processing material for animals is fabricated of a short twisted paper rod obtained by cutting a twisted string into short pieces which twisted string is formed by twisting a strip of paper. The short twisted paper rod has such a paper layer structure that a fiber thereof is oriented from one end cutting plane thereof towards the other end cutting plane, and owing to the paper layer structure, the discharged urine or other waste fluids are allowed to permeate into the short twisted paper rod from the cutting planes.Type: GrantFiled: May 4, 2000Date of Patent: June 18, 2002Assignee: Peparlet Co., Ltd.Inventor: Shotaro Mochizuki
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Patent number: 6402895Abstract: The invention concerns a dewatering belt (1, 13, 17, 25, 30), in particular as a drying screen for paper machines, which is assembled from a plurality of plate-shaped planar elements (2, 14, 18, 24, 26, 27, 31, 32, 40) that, in order to adjust the permeability, have passthrough openings (41) and/or leave gaps (19, 36) between them, the planar elements (2, 14, 18, 24, 26, 27, 31, 32, 40) being coupled to one another, by way of flexible connecting cords (9, 16, 22, 23, 28, 37) which pass through the planar elements (2, 14, 18, 24, 26, 27, 31,. 32, 40), in such a way that the longitudinal forces acting on the dewatering belt (1, 13, 17, 25, 30) during operation act on them. The dewatering belt (1) is characterized in that the connecting cords (9, 16, 22, 23, 28, 37) extend in the longitudinal direction of the dewatering belt (1, 13, 17, 25, 30) and are anchored at their ends in end pieces (5, 6, 20, 29, 38) which can be coupled to one another.Type: GrantFiled: March 10, 2000Date of Patent: June 11, 2002Assignee: Thomas Josef Heimbach Gesellschaft mit beschrankter Haftung & Co.Inventor: Walter Best
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Patent number: 6303215Abstract: Disclosed is a transfer belt for an electro-photographic apparatus, comprising a seamless reinforcing layer made of a continuous string, and a semi-conductive rubber layer formed on the reinforcing layer.Type: GrantFiled: November 12, 1998Date of Patent: October 16, 2001Assignee: Kinyosha Co., Ltd.Inventors: Saburo Sonobe, Akio Onuki
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Patent number: 6268035Abstract: A tire block is made of a plurality of elongated tire tread strips arranged end-to-end and wound in a spiral wrap of overlying convolutions. Fasteners secure the tire tread strips together. The tire tread strips are made from motor vehicle tires by removing the side walls and transversely splitting the tread.Type: GrantFiled: July 25, 2000Date of Patent: July 31, 2001Assignee: The Detroit Edison CompanyInventor: Robert K Carpenter
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Patent number: 6258420Abstract: A decorative twisted spiral garland includes one or more continuous webs of material, each arranged in a series of flattened, generally helical coils about a longitudinal axis, with the coils extending generally transversely of the axis and having a predetermined pitch longitudinally of the axis, and a pair of wires extending generally parallel to the axis outside of the coils and respectively along opposite sides of the coils, the wires being twisted together along the axis so that the coils are pinched together along the axis and twisted about the axis. The actual shape of the garland depends upon the amount of twist imparted to the wires and coils. One or more filaments may also be disposed along the axis inside the coils and twisted together with the wires and the coils.Type: GrantFiled: November 19, 1999Date of Patent: July 10, 2001Assignee: Santa's BestInventor: William L. Lehman
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Patent number: 6248417Abstract: A near netshape carbon preform is provided comprising a polar woven fabric of a plurality of carbon yarns, said polar woven fabric having a helical shape and an adjustable fiber orientation distribution, said polar woven fabric being laid down, turn by turn, into a near net shape preform, and each layer of said fabric being needled to produce a near net shape preform with increased interlaminar strength, an adjustable fiber orientation distribution and enhanced thermal conductivity. A method for manufacturing a near net shape carbon preform with a polar woven substrate is also disclosed.Type: GrantFiled: February 26, 1999Date of Patent: June 19, 2001Assignee: Cytec Technology Corp.Inventors: Dominique Ponsolle, Steven Clarke
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Patent number: 6161370Abstract: An endless transport belt made of thermoresistant synthetic filaments for transporting yarn is described, which yarn is wound around a plurality of transport belts in the form of loops, said transport belts being arranged polygonal in cross section. In order to reduce stretching of the transport belt, at least one reinforced thread is included among the synthetic filaments, which reinforced thread is preferably a steel wire or cord.Type: GrantFiled: November 30, 1998Date of Patent: December 19, 2000Assignees: Seil-Baur GmbH, Michael Hoerauf GmbH & Co. KGInventor: Tilman Bertram
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Patent number: 6136391Abstract: A garland is produced by providing plural strips, each including one or more plies of web, with each web ply having two laterally spaced arrays of longitudinally spaced lateral slits defining arrays of lateral slats joined at the their inner and outer ends. Each strip is twisted with one or more associated support filaments in a predetermined direction to form adjacent helical coils. Plural ones of the twisted strands are then twisted together in the opposite direction to produce an elongated rope which includes adjacent spiral bands all turning in a first direction about the longitudinal axis, with each band including a plurality of generally tubular sections arranged side-by-side, with each section forming a segment of a spiral turning in an opposite direction relative to the axis.Type: GrantFiled: December 2, 1998Date of Patent: October 24, 2000Assignee: Santa's BestInventor: William L. Lehman
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Patent number: 6127028Abstract: A fiber having increased cut resistance is made from a fiber-forming polymer and a hard filler having a Mohs Hardness Value greater than about 3. The filler is included in an amount of about 0.05% to about 20% by weight. In preferred embodiments, the fiber-forming polymer is poly(ethylene terephthalate) or a liquid crystalline polyester including monomer units derived from 6-hydroxy-2-naphthoic acid and 4-hydroxybenzoic acid. Preferred fillers include tungsten and alumina.Type: GrantFiled: October 13, 1998Date of Patent: October 3, 2000Assignee: Hoechst Celanese CorporationInventors: Robert Bruce Sandor, Michele C. Carter, Gunilla E. Gillberg-LaForce, William F. Clear, John A. Flint, Herman Leslie LaNieve, Scott W. Thompson, Etheridge Odell Oakley, Jr., Edward Ronald Kafchinski, Mohammed Ishaq Haider
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Patent number: 6120888Abstract: An ink jet printable, saturated hydroentangled fibrous web which includes fibers and a saturant. The fibers include from about 20 to 100 percent by weight, based on the total weight of the fibers, of cellulosic fibers. From 0 to about 70 percent by weight of the fibers may be mercerized cellulosic fibers. From about 80 to 0 percent by weight of the fibers, based on the total weight of the fibers, may be synthetic polymer fibers. The saturant is present in the saturated fibrous web at a level of from about 40 to about 85 percent, based on the dry weight of the fibers. When synthetic polymer fibers are present in the web, the saturant may be adapted to wet synthetic polymer fibers. A second layer which includes a bonded nonwoven web also may be present. Also provided are methods of preparing the ink jet printable, saturated hydroentangled fibrous web.Type: GrantFiled: June 30, 1997Date of Patent: September 19, 2000Assignee: Kimberly-Clark Worldwide, Inc.Inventors: Russell Lynn Dolsey, John Patrick Allison
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Patent number: 6080265Abstract: A packaging material comprising a plurality of flexible strips of material intertwined with and bondably connected to one another so as to form a cohesive cushioning unit and method for forming same is provided. The strips of material have a bonding material disposed thereon for bondingly connecting the strips of material to one another and enabling the strips of material to be bondingly connected to a container and an article.Type: GrantFiled: July 15, 1998Date of Patent: June 27, 2000Assignee: Southpac Trust International, Inc.Inventor: Donald E. Weder
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Patent number: 6074735Abstract: A printing blanket according to the present invention is provided with a non-stretchable layer formed by arranging hollow yarn in a predetermined direction inside a surface printing layer constituting an elastomer. The printing blanket is and formed in a seamless cylindrical shape in the circumferential direction, is superior in productivity because it has a simpler structure than that of an air-type printing blanket, and has excellent compression properties similar to those of the air-type printing blanket.Type: GrantFiled: November 26, 1997Date of Patent: June 13, 2000Assignee: Sumitomo Rubber Industries, Ltd.Inventors: Toshikazu Ogita, Makoto Sakuraoka, Seiji Tomono, Hiromasa Okubo, Takamichi Sagawa
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Patent number: 6065505Abstract: A stitched seam for high-tensile woven fabric strips, in particular for dryer screen fabric for paper machine clothing, wherein the warp thread loops of the two fabric sections to be interconnected are connected at the location of the common seam by a closure wire. At least one of the two outer regions of the two fabric strip sections to be interconnected comprises a worked-in helix at the location of the seam. Each of the helices embraces at least one weft thread and the closure thread. The other region of the stitched seam of the ends of the two fabric strip sections consists of the loops formed by the warp threads of the fabric.Type: GrantFiled: September 17, 1998Date of Patent: May 23, 2000Inventor: Gisela Fickers
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Patent number: 6066390Abstract: An endless dryer fabric having a paper fiber support surface and a machine contact surface arranged about drying drums within a drying machine. The support surface is adopted to allow air to pass there through while carrying paper forming fibers through the drying machine during drying. The fabric consists of a plurality of elliptically shaped coil monofilaments arranged side by side in intermeshing relationship with elongated pintles extending through the intermeshed portions of the coils forming the fabric continuous. An elongated stuffer filament having a cross-section selected from a rhomboid parallelogram, a rhombus parallelogram and a pointed ellipse is positioned to extend diagonally through central portions of each of said coils leaving diagonally opposed equal sized open areas within each coil.Type: GrantFiled: March 9, 1998Date of Patent: May 23, 2000Assignee: Wangner Systems CorporationInventor: Scott Quigley
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Patent number: 6048598Abstract: A corrosion resistant, light weight composite twisted rope rebar is disclosed for reinforcing concrete material, including providing a plurality of continuous glass fibers oriented substantially in the longitudinal axis and coated with a thermoset polyester resin and catalyst. In one aspect, the twisted rope rebar includes two or more bundles in a helical pitch of about two inches to six inches to form the twisted rope rebar.Type: GrantFiled: December 17, 1997Date of Patent: April 11, 2000Assignee: Balaba Concrete Supply, Inc.Inventors: Thomas J. Bryan, III, Willy M. Balaba, David M. Bryan, Michael N. Tackie
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Patent number: 6037047Abstract: The present invention relates to industrial fibers and products made therefrom and more specifically to industrial polyester fibers and products made therefrom. The fibers comprise a synthetic melt spun polymer having a relative viscosity about 24 to about 42, a denier of about 4 to about 8, a tenacity of about 6.5 grams/denier to about 9.2 grams/denier, and an elongated diamond shaped cross section normal to a longitudinal axis of the filament, the cross section having an aspect ratio of about 2 to about 6.Type: GrantFiled: February 26, 1997Date of Patent: March 14, 2000Assignee: E. I. du Pont de Nemours and CompanyInventors: Robert Francis Fastenau, Mark Ashley Short
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Patent number: 6033779Abstract: A composite yarn formed of melt-fusible thermoplastic fibers combined with selected other fibers and/or materials includes a containment barrier that encapsulates one or more core materials which may present a threat of contamination to workers and/or the environment. The composite yarn includes a core covered by an adhesive layer of thermoplastic material which forms a containment barrier, combined with one or more subsequent overlying layers of fibers wrapped or otherwise applied thereto using conventional yarn construction methods. In a preferred embodiment the core material is coated with a liquid adhesive, and preferably a polyester-based polyurethane which contains silicon grit, just prior to being wrapped with one or more layers of fibers which form the containment barrier. The cured and finished composite yarn is designed for knitting and weaving fabrics, or for otherwise forming cordage and non-woven products.Type: GrantFiled: February 23, 1999Date of Patent: March 7, 2000Assignee: World Fibers, Inc.Inventor: Mark A. Andrews
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Patent number: 5989695Abstract: A floor mat for animals is provided which is formed from strands of shredded reclaimed tire rubber and adhesive. The floor mat includes a generally flat top surface and a corrugated under surface.Type: GrantFiled: October 1, 1997Date of Patent: November 23, 1999Inventors: John J. Fuller, Ricky T. Fuller, Gilbert N. Knoop, Michael L. Miner
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Patent number: 5985421Abstract: Multilayer film material (22) for manufacturing a pipe-shaped body (21) of tube (17). The film material (22) contains at least one barrier layer (10). The film material (22) is of thickness (d) extending form the outside (14) of the pipe-shaped body (21) to the inside of the same. At least one barrier layer (10) is arranged within a distance (a) of the inside (15) of the pipe-shaped body (21). The distance (a) represents 5 to 40% of the total thickness (d) representing 100 percent. The film material used on a tube exhibits therefore a barrier layer which lies close to the inside of the tube and hence also close to the contents of the tube. Volatile constituents of the tube contents beings able to penetrate essentially only to the barrier layer and are not able to become concentrated in the other, thick layers of the wall.Type: GrantFiled: May 15, 1997Date of Patent: November 16, 1999Assignee: Alusuisse Technology & Management Ltd.Inventor: Manfred Gerber
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Patent number: 5985380Abstract: A method for making decorative grass from an optical effect material having a holographic design which imparts at least a portion of an optical effect to the decorative grass. The optical effect material may include printed matter and/or an embossed pattern to provide at least a portion of the decor of the decorative grass. The method includes slitting the sheet of optical effect material to provide strips; and chopping the strips of optical effect material into segments of a predetermined length to provide the decorative grass.Type: GrantFiled: June 15, 1998Date of Patent: November 16, 1999Assignee: Southpac Trust International, Inc.Inventor: Donald E. Weder
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Patent number: 5961412Abstract: A fabric 3 for power transmission belt to be adhered to a belt body 2 of a V-ribbed belt 1 is formed such that carbon fibers with electric conductivity are mixed through spinning into a fabric material such as cotton, nylon and polyester. This prevents the belt from producing a beating sound and producing worn-out dusts in the use as a power transmission belt and enhances the electric conductivity of the power transmission belt to successfully prevent electrostatic charge of the belt.Type: GrantFiled: July 21, 1997Date of Patent: October 5, 1999Assignee: Bando Chemical Industries, Ltd.Inventor: Osamu Takahashi
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Patent number: 5955183Abstract: A system for holding a spiral coil binding assembly formed from a coiled filament and having a plurality of coils with a predetermined pitch. The system comprises a carrier sheet, a plurality of rows of cut-outs on the carrier sheet. The cut-outs in the carrier sheet, or at least some of them, are holding openings which will receive the filament of a spiral coil binding assembly in order to hold the spiral coil binding assembly in place on the carrier sheet. The system also includes mechanism for removing each of the spiral coil binding assemblies from the carrier sheet and directing them to a binding machine.Type: GrantFiled: April 7, 1997Date of Patent: September 21, 1999Assignee: Gunther Technologies, Inc.Inventor: Carl G. Braun
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Patent number: 5952075Abstract: A near netshape carbon preform is provided comprising a woven fabric of a plurality of carbon yarns, said woven fabric having a helical shape and an adjustable fiber orientation distribution, said woven fabric being laid down, turn by turn, into a near net shape preform, and each layer of said fabric being needled to produce a near net shape preform with increased interlaminar strength and an adjustable fiber orientation distribution. A method for manufacturing a near net shape carbon preform with a polar woven substrate is also disclosed.Type: GrantFiled: September 8, 1997Date of Patent: September 14, 1999Assignee: Fiberite, Inc.Inventors: Steven Clarke, Dominique Ponsolle
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Patent number: 5875822Abstract: An on-machine-seamable (OMS.RTM.) papermakers' fabric produced by modified endless weaving includes machine-direction (MD) and cross-machine direction (CD) yarns. The MD yarns are plied/twisted yarns, and weave continuously back-and-forth between the two widthwise edges of the fabric, each time forming a seaming loop at one of the two widthwise edges. A seaming spiral, a monofilament spiral preferably extruded from a polyamide resin, is attached to the seaming loops at each of the two widthwise edges. The two seaming spirals are used to join the fabric into endless form with a pin seam. In this way, an OMS.RTM. papermakers' fabric, having plied/twisted yarns in the machine direction is provided with monofilament joining means which maintain proper orientation and shape for the ready pin seaming of the fabric on a papermachine.Type: GrantFiled: June 25, 1996Date of Patent: March 2, 1999Assignee: Albany International Corp.Inventor: Patrick Fargeout
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Patent number: 5837344Abstract: A system for holding a spiral coil binding assembly formed from a coiled filament and having a plurality of coils with a predetermined pitch. The system comprises a carrier sheet, a plurality of rows of cut-outs on the carrier sheet. The cut-outs in the carrier sheet, or at least some of them, are holding openings which will receive the filament of a spiral coil binding assembly in order to hold the spiral coil binding assembly in place on the carrier sheet. The system also includes mechanism for removing each of the spiral coil binding assemblies from the carrier sheet and directing them to a binding machine.Type: GrantFiled: August 22, 1996Date of Patent: November 17, 1998Assignee: Gunther Technologies, Inc.Inventor: Carl G. Braun
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Patent number: 5824335Abstract: Biomaterials are disclosed comprised of biodegradable, biocompatible, and bioabsorbable non-woven fabric materials for use in surgery for the guided regeneration of tissues. The non-woven fabric materials constitute threads embedded in a matrix, wherein both the matrix and the threads constitute auto-crosslinked hyaluronic acid.Type: GrantFiled: June 7, 1995Date of Patent: October 20, 1998Inventors: Franco Dorigatti, Lanfranco Callegaro, Aurelio Romeo
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Patent number: 5804295Abstract: A composite structure contains a lofty corrugated nonwoven web of polymeric microfiber that is maintained in a corrugated condition by securing a fabric to the corrugated web at the valleys of the corrugations. The composite structure is made without substantially effecting web loft by (i) introducing the nonwoven web to the ends of a plurality of spaced paddles, (ii) causing the spacing between the ends of the paddles to decrease to corrugate the nonwoven web, and (iii) securing the fabric to the corrugated nonwoven web at the valleys of the corrugations. A composite structure of this construction made by this method provides very good filtration performance, making it particularly suitable for use as a filter in a cup-shaped face mask. The composite structure also is very suitable for use as thermal insulation in apparel.Type: GrantFiled: February 28, 1997Date of Patent: September 8, 1998Assignee: Minnesota Mining and Manufacturing CompanyInventors: David L. Braun, James E. Steffen
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Patent number: RE36459Abstract: Wrapping material formed of a foamed plastic-like material. The wrapping is formed in elongated strips and adheres to itself and most surfaces it is applied without requiring the use of a separate adhesive.Type: GrantFiled: May 6, 1996Date of Patent: December 21, 1999Assignee: Sun Glitz CorporationInventor: Janene Youngs McVicker