With Additional Layer(s) Patents (Class 428/109)
  • Patent number: 5228481
    Abstract: A weaving mechanism for producing rod piercing type three-dimensional multiple-axis fabrics using a fall-preventive wall to prevent fall-off of inserted weft rods. The weaving mechanism being adapted to obviate the use of wastefully lengthy weft rods. For inserting weft rods into a warp rod group obliquely from a plural number of directions in the weaving process of a three-dimensional multiple-axis fabric, the inserted weft rod portions which protrude out of the warp rod group are received by a fabric guide which constitutes a fall-preventive wall. The fabric guide which guides the woven fabric is formed in a cylindrical shape enveloping the woven fabric in small gap relation therewith when seen in the axial direction of the warp rods. The weft rods are inserted at a position outside an end portion of the fabric guide or through notched grooves in the fabric guide.
    Type: Grant
    Filed: January 8, 1992
    Date of Patent: July 20, 1993
    Assignee: Three-D Composites Research Corporation
    Inventors: Masahiko Kimbara, Makoto Tsuzuki
  • Patent number: 5223326
    Abstract: A corrugated metal-clad sandwich panel with a wafer composite core is provided. The single stage process for the panel manufacture involves utilizing a press platen system which is mechanically convertible between a planar and a corrugated configuration. The metal sheet is first placed on the lower platen which is in the planar configuration. The wafers and an isocyanate resin in admixture are uniformly distributed over the metal sheet. Optionally, a second metal sheet is placed over the wafer/resin mat. The platens are biased together to precompress the mat. Finally, the platens are converted from the planar to the corrugated configuration, thus forming the corrugated metal-clad sandwich panel having a waferboard core in a single stage.
    Type: Grant
    Filed: April 23, 1991
    Date of Patent: June 29, 1993
    Assignee: Alberta Research Council
    Inventor: Lars Bach
  • Patent number: 5219633
    Abstract: A low cost, high web integrity fabric that can be economically produced and tailored to provide a variety of different combinations of characteristics and properties for different end uses. It is a fabric wherein the strength in any direction can be predetermined and also wherein the elasticity in any direction can be varied in a predetermined fashion. It is also a fabric that combines continuous filaments, ranging from elastomeric to non-elastic but elongatable to at least a minimum extent, for strength and elasticity with the predetermined indepth intermingling of fibrous melt blown webs for interlocking of the said continuous filaments in the formation of the integrated, fibrous and continuous filament matrix.
    Type: Grant
    Filed: August 19, 1992
    Date of Patent: June 15, 1993
    Assignee: Tuff Spun Fabrics, Inc.
    Inventor: Reinhardt N. Sabee
  • Patent number: 5209801
    Abstract: This invention teaches a method of forming a low cost, breathable, light weight, soft, disposable elastic structure with surface properties that are characterized by a controlled irregularity of the pleats or shirrs that make up the broad surfaces of the structure. The structure is a layered structure with outer layers of low basis weight breathable material, a central elastic layer, and an adhesive layer that serves to join all the layers together to form a unitary elastic structure.
    Type: Grant
    Filed: August 6, 1991
    Date of Patent: May 11, 1993
    Assignee: Weyerhaeuser Company
    Inventor: Carol L. Smith
  • Patent number: 5204157
    Abstract: An elongate carrier for use in the manufacture of extruded and other products comprising a plurality of longitudinally spaced transversely extending members (3 or 31) and means (9,11,13 or 83,85,87,89,90) extending lengthwise of the carrier to control the spacing of said members, wherein the transverse location in said carrier of said means (9,11,13 or 83,85,87,89,90) is varied along the length of said carrier. In one embodiment the carrier may be formed of zig-zag wire the longitudinal extension of which is controlled by textile or other warps extending lengthwise of the carrier but whose transverse location is varied, and in another embodiment of the invention, the carrier may be slotted or stamped metal or plastics, the location of the slots or slits in the stamped material being varied transversely. The invention also extends to a method of manufacturing the carrier.
    Type: Grant
    Filed: April 19, 1990
    Date of Patent: April 20, 1993
    Assignee: Schlegel (UK) Holdings Limited
    Inventor: James Matsumiya
  • Patent number: 5201971
    Abstract: An improved reinforcing belt is provided for a pneumatic tire. In one embodiment, a composite belt is formed by bonding together a plurality of resin impregnated plies. Each ply is further formed from cords having a high extensional modulus of elasticity and a high tenacity which reinforce a matrix of semi-rigid resin. Preferably, the resin is cured or formed in situ during the curing of the tire in which the plies are placed. In another embodiment, a structural separator having a high resistance to compression is bonded to and between at least two of the plies.
    Type: Grant
    Filed: July 20, 1992
    Date of Patent: April 13, 1993
    Assignee: Pipelli Armstrong Tire Corporation
    Inventor: James H. Gifford
  • Patent number: 5202167
    Abstract: A flexible article of manufacture especially suitable for use as a ballistic resistant body armor which comprises one or more composite layers, at least one of said composite layers comprising a base layer having a plurality of planar bodies positioned between two sandwiching flexible layers out of contact with each other and a plurality of planar bodies positioned on a surface of said base layer out of contact with each other and in disalignment with the sandwiched planar bodies.
    Type: Grant
    Filed: May 24, 1991
    Date of Patent: April 13, 1993
    Assignee: Allied-Signal Inc.
    Inventors: Gary A. Harpell, Dusan C. Prevorsek, Max W. Gerlach
  • Patent number: 5200246
    Abstract: A low cost, high web integrity fabric that can be economically produced and tailored to provide a variety of different combinations of characteristics and properties for different end uses. It is a fabric wherein the strength in any direction can be predetermined and also wherein the elasticity in any direction can be varied in a predetermined fashion. It is also a fabric that combines continuous filaments, ranging from elastomeric to non-elastic but elongatable to at least a minimum extent, for strength and elasticity with the predetermined indepth intermingling of fibrous melt blown webs for interlocking of the said continuous filaments in the formation of the integrated, fibrous and continuous filament matrix.
    Type: Grant
    Filed: March 20, 1991
    Date of Patent: April 6, 1993
    Assignee: Tuff Spun Fabrics, Inc.
    Inventor: Reinhardt N. Sabee
  • Patent number: 5198280
    Abstract: An improved article of the type comprising one or more flexible fibrous layers wherein the fibers in each layer are arranged parallel or substantially parallel to one another along a common fiber direction with fibers in adjacent layers aligned at an angle with respect to the longitudinal fiber axis of the fibers contained in the layers.
    Type: Grant
    Filed: October 25, 1990
    Date of Patent: March 30, 1993
    Assignee: Allied-Signal Inc.
    Inventors: Gary A. Harpell, Dusan C. Prevorsek
  • Patent number: 5196252
    Abstract: A flexible article of manufacture especially suitable for use as a ballistic resistant body armor which comprises a flexible substrate layer having a plurality of planar non-metallic bodies mechanically affixed to a surface thereof.
    Type: Grant
    Filed: November 19, 1990
    Date of Patent: March 23, 1993
    Assignee: Allied-Signal
    Inventor: Gary A. Harpell
  • Patent number: 5190802
    Abstract: Improved ballistic resistant laminates have been developed by bonding alternating plies of fabric woven from glass or normally solid organic polymers and non-woven scrim prepreg impregnated with a heat curable resin. A preferred organic polymer is an aramid exemplified by Kevlar. A preferred heat curable resin is phenol-formaldehyde/polyvinyl butyral blend.
    Type: Grant
    Filed: January 6, 1989
    Date of Patent: March 2, 1993
    Inventor: Louis A. Pilato
  • Patent number: 5160776
    Abstract: The present invention provides an improved composite which comprises one or more layers, at least one of said layers comprising network of high strength filaments having a tensile modulus of at least about 160 grams/denier, a tenacity of at least about 7 g/denier and an energy-to-break of at least about 8 joules/gram in a matrix material, the ratio of the thickness of said layer to the equivalent diameter of said filaments is equal to or less than about 12.8, and complex composite articles formed from said composite.
    Type: Grant
    Filed: June 24, 1991
    Date of Patent: November 3, 1992
    Assignee: Allied-Signal Inc.
    Inventors: Hsin L. Li, Dusan C. Prevorsek, Gary A. Harpell, Young D. Kwon
  • Patent number: 5143767
    Abstract: Provided herein is a process for preparing an electret filter which comprises feeding a non-woven fabric composed of an electrically charged web of synthetic fibers through a nip of co-operating embossing and flat rolls under pressure and at a temperature below a softening temperature of said synthetic fibers, thereby subjecting the surface of said non-woven fabric to partical fusion bonding and integration.
    Type: Grant
    Filed: January 12, 1989
    Date of Patent: September 1, 1992
    Assignee: Mitsui Petrochemical Industries, Ltd.
    Inventors: Satoshi Matsuura, Masayuki Mito, Yoshio Shinagawa
  • Patent number: 5139841
    Abstract: A disposable, cloth-like towel of superior wet strength and absorbency comprises a scrim coated with a superabsorbent material, with one or more nonwoven fibrous webs bonded to the coated scrim. The superabsorbent coating preferably is formed by wetting the scrim with water or an aqueous adhesive, applying a solid hydrophilic polymer to the scrim, then applying a nonwoven absorbent cellulosic web to the coated scrim and drying the resulting composite laminate. Bonding of the scrim to the nonwoven fibrous web can be achieved by applying an adhesive to the side of the cellulosic web which is brought into contact with the coated scrim.
    Type: Grant
    Filed: March 27, 1991
    Date of Patent: August 18, 1992
    Assignee: James River Corporation of Virginia
    Inventors: Kambiz B. Makoui, David H. Hollenberg, Ralph H. Reeves
  • Patent number: 5114775
    Abstract: A gripper rod for shuttleless looms has a toothed rack made of fiber reinforced composite material. The prepregs are stacked in such a way that the fiber orientation in one layer crosses the fiber orientation of at least one neighboring layer. A sufficient number of layers are preferably stacked relative to a central plane of symmetry. The so prepared stack is then placed into a pressing die to form the toothed rack configuration. Due to the pressing, the initial fiber orientation changes so that the fibers after the pressing extend approximately in parallel to the surfaces of the toothed rack, especially at the tooth flank forming surfaces and along the edges, whereby the strength of the toothed rack and the wear and tear resistance, especially of the tooth flanks is improved. The angular orientation of the fiber directions relative to a longitudinal edge of a prepreg may be within the range of about 15.degree. to about 25.degree.
    Type: Grant
    Filed: April 25, 1990
    Date of Patent: May 19, 1992
    Assignee: Lindauer Dornier Gesellschaft m.b.H
    Inventors: Rainer Gsell, Philip White
  • Patent number: 5110652
    Abstract: A ceramic matrix composite article having a varying thickness is fabricated by a process wherein multiple prepreg sheets comprising reinforcing fibers and powdered matrix material are stacked to provide a multi-layer prepreg stack wherein, through each cross-sectional dimension perpendicular to the plane of the sheets, the number of prepreg sheets contributing to the aggregate sheet thickness of the stack varies in proportion to the relative thickness desired in the layered article. The stack may consolidated to a composite article with a smoothly varying thickness profile without undue fiber breakage or ply wrinkling in the composite structure consolidated into a composite article having a smoothly varying thickness profile with reduced internal fiber bowing or breakage. Preferably, the exterior surfaces of the article comprise long, substantially continuous fibers and are free of ply drops.
    Type: Grant
    Filed: December 4, 1989
    Date of Patent: May 5, 1992
    Assignee: Corning Incorporated
    Inventors: Roger A. Allaire, G. Daniel Lipp
  • Patent number: 5108821
    Abstract: A self-extinguishing blanket comprises an insulating layer of glass fiber strands which include air spaces within the layer. Each surface of the layer has a bi-directional strand reinforced plastic film which extends continuously along the surface for keeping moisture out of the layer. Each plastic film is attached to the associated surface of the insulation layer by non-contiguous, longitudinally and laterally spaced apart areas of a thermoplastic adhesive. The adhesive areas provide attachment between the strand reinforcement and the layer of glass fiber strands. Each area of adhesive attachment provides sufficient retention to prevent shifting of the film during the sewing together of peripheral edge portions of the sandwiched plastic films and inner insulation layer as required to produce a selected, peripheral configuration of a blanket package.
    Type: Grant
    Filed: February 7, 1990
    Date of Patent: April 28, 1992
    Assignee: Orcon Corporation
    Inventors: Michael J. Dooley, Eugene F. Lopez, Robert T. Zajdel
  • Patent number: 5108831
    Abstract: Method to produce a roofing membrane for use in the construction of roofs which comprises mating of at least two plys of fiberglass scrim fabric to form a substrate for the roofing membrane. At least one of the plys of the substrate is a triaxially wound scrim fabric to provide additional strength to a standard open mesh rectangular formed scrim fabric.
    Type: Grant
    Filed: April 2, 1991
    Date of Patent: April 28, 1992
    Assignee: Milliken Research Corporation
    Inventor: David E. Green
  • Patent number: 5096772
    Abstract: The problem of recycling scrap radial tires is addressed by providing many uses for a laminate made by bonding two or more belt sections of a radial tire, the sidewalls of which have been cut away, the tire then cut open, and de-treaded. The result is a multi-ply structure which is sensibly rigid in all three directions because each belt ply in a belt is reinforced with cords at an angle, the cord angle in one belt ply being opposed to the angle in the other. A slat, bar, or beam, formed with plural belts is essentially rigid in a direction at right angles to its longitudinal axis, because for bending to occur, one belt must be in tension and the other in compression. Neither condition is favored because of the opposed cord angles and belt geometry. Though essentially rigid because of the cord geometry, the amount of rubber in the laminate allows it to be deformable relative to wood or steel having the same thickness.
    Type: Grant
    Filed: April 20, 1990
    Date of Patent: March 17, 1992
    Inventor: Robert H. Snyder
  • Patent number: 5082713
    Abstract: A pneumatic tire reinforced by a reinforcing belt is provided, the reinforcing belt having at least one cord reinforced ply, and, in turn, the cord reinforced ply having a plurality of substantially parallel spaced apart elongated cross-section reinforcing cords. The ply may be a bias ply in which the reinforcing cords are disposed at a bias angle, or it may be an overlay ply being axially longer than any other plies and having curving ends which overlay and curve over the ends of any other plies to strengthen shoulder portions of the pneumatic tire. Preferably, in the case of an overlay ply, the reinforcing cords are disposed substantially circumferentially. Preferably also, the elongated cross-section of the reinforcing cords is elliptic; and, the reinforcing cords are thermoplastic monofilaments formed by extrusion.
    Type: Grant
    Filed: July 23, 1990
    Date of Patent: January 21, 1992
    Assignee: Pirelli Armstrong Tire Corporation
    Inventor: James H. Gifford
  • Patent number: 5080957
    Abstract: Tape comprising a backing bearing on at least one major surface thereof a plurality of ribs disposed substantially longitudinally thereon, and further bearing on at least one major surface thereof a layer of adhesive. The ribs are joined to the backing such that there exists a notch-like separation between each end of the rib and the surface of the backing. No more than 50% of the cross-section of the ribs should project from the rib-bearing surface of the tape. It is preferred that the adhesive be a pressure-sensitive adhesive. The tape of this invention can be prepared by means of coextrusion techniques.
    Type: Grant
    Filed: August 1, 1989
    Date of Patent: January 14, 1992
    Assignee: Minnesota Mining and Manufacturing Company
    Inventors: Ronald P. Leseman, Thomas L. Wood
  • Patent number: 5079055
    Abstract: A reinforcement member for a plastic laminate structure consisting of at least two laminate layers bonded to one another, the member having a synthetic body defining a length axis X, a breadth axis Y, and a thickness axis Z, formed of a synthetic plastic material, the length and breadth axes X and Y lying in a first plane, and the thickness axis Z lying in a second plane normal to the first plane, a plurality of first reinforcement fibres lying parallel to the first plane, and, a plurality of second recruitment fibres lying parallel to the second plane.
    Type: Grant
    Filed: September 21, 1989
    Date of Patent: January 7, 1992
    Inventor: Brian P. Doyle
  • Patent number: 5076330
    Abstract: A number of rods are disposed along at least three differently oriented axes, the rods being formed by bonding together bundles of fibers with a matrix. Each rod in one group is passed between rods of the other differently oriented groups. The cross-sectional shape of a rod extending in at least one direction is matched to the shape of a clearance which is left between rods extending in other directions to admit the rod inserted therethrough. Put otherwise, a rod extending in at least one direction has a projection to fill such a clearance. Great enough strength to withstand external forces exerted from any direction is imparted to the three-dimensional fabric composite materials either by increasing the area of contact between individual rods or by minimizing the clearances between rods by means of a matrix of the like.
    Type: Grant
    Filed: March 31, 1989
    Date of Patent: December 31, 1991
    Assignee: Three-D Composites Research Corporation
    Inventors: Masahiko Kimbara, Kenji Fukuta, Makoto Tsuzuki, Hironobu Takahama, Ietsugu Santo, Michiya Hayashida, Akinobu Mori, Akihiko Machii
  • Patent number: 5063099
    Abstract: Non-woven mat consisting of one or more overlapped layers, each made of continuous, parallel, monodirectional filaments of an acrylic polymer having a tenacity of at least 50 cN/tex, an elastic modulus equal to at least 1000 cN/tex, and an ultimate elongation lower than 15%.Use of this non-woven mat as reinforcement for organic and inorganic matrices, and manufactured articles thus obtained.
    Type: Grant
    Filed: March 19, 1990
    Date of Patent: November 5, 1991
    Assignee: Montefibre S.p.A.
    Inventors: Raffaele Tedesco, Giampaolo Busato, Giampaolo Sinatora
  • Patent number: 5053269
    Abstract: Material allowing the production of surfaces for aboveground cultivation and for container platforms.It is defined in that:it is present in the form of a textile sheet consisting of a structure made on a Raschel-type knitting machine with the insertion of transverse threads (2) and longitudinal threads (1), these threads (1) and (2) being arranged without any shrinkage inside a meshed-thread structure (3) ensuring their retention relative to each other, andat least one continuous heating resistor (4) is incorporated parallel to the transverse (2) and/or longitudinal (1) threads inside the mesh structure (3) and this is in a specified sequence.
    Type: Grant
    Filed: June 26, 1990
    Date of Patent: October 1, 1991
    Assignee: Notex S.A.
    Inventors: Jean P. Ducol, Serge Lepage
  • Patent number: 5051259
    Abstract: An adhesive, flat skin barrier product for use as semi-manufacture in the production of, a.o., dressings, wound-care devices, electrodes and fastening means for ostomy equipment and catheters, consists of alternating zones of material of at least two different kinds (26,28,30) at least one of which is a skinfriendly self-adhesive material. The zones are parallel and extend in a direction usually at right angles to the main surfaces of the product. The zones may for instance be parallel strips, co-axial rings, co-wound Archimedean spirals or short strands.The skin barrier product offers the advantage that in a simple way it may be produced to comprise, besides the sealing material itself, other components for special purposes, e.g. having contents of antiseptics, medicaments or others biologically active substances of liquid-transporting or electrically conductive structures.
    Type: Grant
    Filed: October 10, 1989
    Date of Patent: September 24, 1991
    Assignee: Coloplast A/S
    Inventors: Hans Olsen, Finn Poulsen, Peter Samuelsen
  • Patent number: 5041318
    Abstract: A composite structural member includes a substantially planar composite panel portion and an integrally formed joint-forming edge structure along at least one edge of the panel portion. The joint-forming edge structure is adapted to be bonded to a complementing joint-forming edge structure of a complementing composite structural member to form a load-bearing joint structure that is capable of withstanding loads that the panel portion of the composite structural member is unable to withstand. A core material sandwiched between two composite skin layers makes up the panel portion of the composite structural member. The joint-facing edge structure may include a flange portion extending from one panel skin, a flange-receiving portion extending from the other panel skin, and a web portion extending between the flange portion and the flange-receiving portion.
    Type: Grant
    Filed: February 12, 1990
    Date of Patent: August 20, 1991
    Inventor: John R. Hulls
  • Patent number: 5032442
    Abstract: Disclosed herein is a fibrillated weatherproof web having a network structure, which can be produced with ease and is economical. The web comprises a multilayer composite film composed of at least two layers, one being a first layer (I) made of a first thermoplastic resin and the other a second layer (II) made of a second thermoplastic resin having a melting point lower than the first thermoplastic resin and containing at least 300 ppm of a light resistance imparting agent. A number of slits have been formed in a longitudinal or transverse direction. The web has been oriented at a draw ratio in a range of from 1.1 to 15 times. A nonwoven fabric making use of one or more fibrillated webs of the above sort and processes for the production of the web and nonwoven fabric are also disclosed.
    Type: Grant
    Filed: October 17, 1989
    Date of Patent: July 16, 1991
    Assignee: Nippon Petrochemicals Company, Ltd.
    Inventors: Shinji Yamazaki, Toshio Kotsuka
  • Patent number: 5018230
    Abstract: A Sandless Beach Towel or Blanket which is composed of an upper and lower layer joined at eight points equally spaced over their surfaces. The upper layer is made of an open weave material preferably of cotton and the lower layer is made of a tightly woven material preferably cotton. Sand which is brought on to the top surface of the blanket passes through the openings in the open weave material in the upper layer and accumulates between the upper and lower layers to prevent the sand from coming into contact with the person sitting or laying on the blanket. The blanket can be shaken as a unit and the sand that has accumulated between the upper and lower layers readily dislodges and falls out from between the layers. Cleaning can also be accomplished by separating the layers and brushing or shaking off the sand where it has accumulated. In an alternative embodiment the upper and lower layers are attached to each other along their perimeter.
    Type: Grant
    Filed: April 12, 1990
    Date of Patent: May 28, 1991
    Inventor: Paul Steberger
  • Patent number: 5014755
    Abstract: Textile structure based on filaments impregnated and/or coated with thermoplastic material (FIT filaments) is formed from at least two layers of such FIT filaments, arranged perpendicularly to one another in the manner of a warp and a weft, but without being interlaced, and a binding weave consisting of a warp and a weft holding each of the FIT filaments in position. The textile structure is particularly applicable to the production of laminates exhibiting high mechanical stength.
    Type: Grant
    Filed: August 11, 1988
    Date of Patent: May 14, 1991
    Assignee: Brochier S.A.
    Inventors: Bruno Bompard, Jean Aucagne
  • Patent number: 5002815
    Abstract: A bulky and reinforced non-woven fabric and a process for producing the fabric are provided, which fabric is composed of a web consisting of 30-100% by weight of hot-melt-adhesive fibers and 70-0% by weight of fibers having a m.p. higher than that of the hot-melt-adhesive component of the hot-melt-adhesive fibers and monofilaments, fibers constituting the web being adhered onto one another and also to the monofilaments and the fabric having wrinkles at a wavelength of 0.1 to 20 mm over the whole surface of the fabric; and which process comprises arranging monofilaments of a percentage of shrinkage of 20% or higher under heat treatment conditions for melt-adhering the hot-melt-adhesive fibers over the whole surface of the web; adhering the fibers constituting the web onto one another and also to the monofilaments through hot-melt-adhesion; and also causing the web to shrink through shrinkage generated in the monofilaments.
    Type: Grant
    Filed: January 23, 1989
    Date of Patent: March 26, 1991
    Assignee: Chisso Corporation
    Inventors: Akira Yamanaka, Yasuhiro Yabuuchi
  • Patent number: 4981738
    Abstract: This invention relates to a multi-layer protective fabric for protective suits used in hazardous or toxic environments. A first layer comprises strips of water and vapor impermeable material, there being a gap between adjacent such strips. A second layer comprises a plurality of strips of a wicking material with each such strip covering the inner surface of a first layer strip, passing through the gap between adjacent strips and covering the outer surface of the adjacent first layer strip. Moisture, such as perspiration will pass via the wicking material through the gaps past the first layer for evaporation and diffusion through a third layer of a liquid impermeable/vapor permeable material which extends over the second layer material covering the outer surfaces of the first layer.
    Type: Grant
    Filed: April 13, 1989
    Date of Patent: January 1, 1991
    Assignee: Her Majesty the Queen in right of Canada, as represented by the Minister of National Defence of Her Majesty's Canadian Government
    Inventors: Brian Farnworth, Randall J. Osczevski
  • Patent number: 4970100
    Abstract: The invention concerns a fabric for use in papermaking machines as the forming wire as well as for the basic fabric for the coated, impermeable bands and belts for extended nip presses and for forming roll coatings. A fabric of such a kind will be provided such that its stability in cross direction is increased, its resistance against unravelling even at high service pressures existing in the press nip of extended nip presses is increased and its abrasive resistance is improved. These objects are attained by the fact that at least a part of the longitudinal threads and/or cross threads of the fabric consist of a mixed polymer the main components thereof are a polymer having a high molecular weight corresponding to a viscosity of at least 0.75 as well as a copolymer with a high molecular weight corresponding to a viscosity of at least 0.80, wherein the percentage of the copolymer within the mixed polymer is 2% to 20%.
    Type: Grant
    Filed: June 28, 1989
    Date of Patent: November 13, 1990
    Assignee: F. Oberdorfer GmbH & Co. KG Industriegewebe-Technik
    Inventor: Fritz Vohringer
  • Patent number: 4968546
    Abstract: Carbon or inorganic fibers are wound up cylindrically so as to have numerous intersections to each other. They are bound integrally to each other at points including their intersections to form cylindrical component parts which may be used within an extremely high-temperature furnace, such as when used as parts of belt conveyors and trays for carrying articles to be treated within the furnace. The cylinders thus made are comparatively thin and extremely light in weight, while they are afforded with a tensile strength sufficiently high enough to stand against loads exerted thereupon in the furnace.
    Type: Grant
    Filed: February 3, 1989
    Date of Patent: November 6, 1990
    Assignee: Kanto Yakin Kogyo K.K.
    Inventor: Susumu Takahashi
  • Patent number: 4966801
    Abstract: A lightweight composite material is disclosed which comprises three-dimensionally arranged fibers of at least 50 mm length provided in a thermoplast matrix. The thermoplast matrix is thermally treated to form cavities within the matrix.
    Type: Grant
    Filed: November 25, 1988
    Date of Patent: October 30, 1990
    Assignee: Bayer Aktiengesellschaft
    Inventors: Robert Becker, Gerd Goldmann, Ulrich von Gizycki, Wulf von Bonin
  • Patent number: 4950531
    Abstract: Composite nonwoven non-elastic web materials and methods of forming the same are disclosed. The composite nonwoven non-elastic web materials are formed by hydraulically entangling a laminate of (a) at least one layer of meltblown fibers and (b) at least one layer of nonwoven material. The nonwoven material can comprise at least one of pulp fibers, staple fibers, meltblown fibers and substantially continuous filaments. The nonwoven material can also be a net, foam, etc. Each of the meltblown fiber layer and the nonwoven material layer is preferably made of non-elastic material.
    Type: Grant
    Filed: March 18, 1988
    Date of Patent: August 21, 1990
    Assignee: Kimberly-Clark Corporation
    Inventors: Fred R. Radwanski, Lloyd E. Trimble, Leon E. Chambers, Jr.
  • Patent number: 4948651
    Abstract: A burn sheet comprising a plurality of layers laminated one to another and including a liquid-permeable top layer, a liquid-absorbent layer and a strength-imparting scrim layer. The scrim layer comprises an open pattern of crossing multifilamentary yarns bonded on one another at their crossings. The scrim is flattened prior to its incorporation into the burn sheet laminate so that cut ends of the scrim yarn monofilaments yield to the touch and the sheet is rendered conformable, and telegraphing of the scrim to the surface of the sheet is minimized. The sheet is suitable for use as a transfer sheet as well as for a burn sheet.
    Type: Grant
    Filed: June 27, 1989
    Date of Patent: August 14, 1990
    Assignee: DeRoyal Industries, Inc.
    Inventors: Autry O. V. DeBusk, Charles A. Lee
  • Patent number: 4946738
    Abstract: A non-woven matrix of sized bushing glass and synthetic fibers provides a rigid but resilient product having good strength and insulating characteristics. The product finds particular application in large area panels such as vehicle headliners. The matrix consists of glass fibers, first, solid or hollow homogeneous synthetic fibers such as polyester, nylon or Kevlar and second, bi-component synthetic fibers which have been intimately combined with a thermosetting resin into a homogeneous mixture. The bi-component synthetic fibers include an outer low melting temperature sheath and a higher melting temperature core. This mixture is dispersed to form a blanket. The blanket may be heated and pressed to cure and form it into a final product in one step on two steps. In the one step process, the curing temperature is sufficiently high to melt the sheath of the bi-component fibers and activate and cure the thermosetting resin.
    Type: Grant
    Filed: December 22, 1989
    Date of Patent: August 7, 1990
    Assignee: Guardian Industries Corp.
    Inventors: Vaughn C. Chenoweth, Roger C. Goodsell
  • Patent number: 4942075
    Abstract: An annular resilient body of fiber composite material for vibration-insulating support of drive assemblies includes at least one wound body having a circumferential direction and a loading direction. The at least one wound body includes a plurality of wound concentric layers formed of synthetic resin impregnated fibers extending in the circumferential direction and transverse to the load direction, and at least one layer of fibers extending at an angle relative to the concentric layers. Force-inducing fastening elements are disposed on two opposite sides of the at least one wound body. The fastening elements are formed of metal brackets at least partly encompassing the at least one wound body and elastic rubber layers bracing the metal brackets against the at least one wound body.
    Type: Grant
    Filed: July 24, 1989
    Date of Patent: July 17, 1990
    Assignee: Metzeler GmbH
    Inventors: Volker Hartel, Carl Heynemann, Werner Hundt, Siegfried Muller, Matthias Richter
  • Patent number: 4938824
    Abstract: A method and apparatus for making a composite component. For making a non-cylindrical composite component such as a nozzle, a longitudinal winding of at least one fiber strand impregnated with resin is applied onto a generally cylindrical mandrel at a predetermined angle relative to a line parallel to the mandrel rotational axis. A transverse tape is then spirally cut from the layer and wound onto a component mandrel. The wound transverse tape is then compacted and cured and the mandrel removed. A nozzle exit cone is also disclosed made from such transverse tape so that the fiber strand portions are short enough that they do not follow the curvature of the nozzle and thereby peel. The windings are shingled onto the nozzle exit cone so that only one end of each of the fiber strand portions is exposed to the nozzle surface. The fiber strand portions are oriented at a predetermined angle which may be optimized for erosion resistance and stress requirements.
    Type: Grant
    Filed: January 23, 1987
    Date of Patent: July 3, 1990
    Assignee: Thiokol Corporation
    Inventor: Dean C. Youngkeit
  • Patent number: 4925719
    Abstract: A high strength reinforced composite has an outer polymeric skin and an inner polymeric foam core chemically and mechanically bonded together at a high modulus, three dimensional interface comprising longitudinally continuous strands, transversely continuous and randomly arrayed transverse strands, and randomly inclined short strands having end portions embedded in both the skin and the core.
    Type: Grant
    Filed: May 5, 1989
    Date of Patent: May 15, 1990
    Assignee: Centrite Corp.
    Inventors: James M. Staneluis, Donald L. Rodenbeck
  • Patent number: 4915993
    Abstract: Apparatus for dispensing a continuous web of product, such as a towel (20), from a zigzag folded packet (11A, 11B), which is kept in supply chamber (10). After use the towel (20) is rolled up into the roll (23), which is regularly removed from the apparatus. The packets (11A, 11B) are provided on the end layers with strips (29A, 29B) that are adhesive on both sides, which strips make possible the mutual coupling of the packets. The packets consist preferably of paper that is strengthened with filaments of synthetic material, which paper is intended for single use, but the pockets can also consist of textile that can be reused after cleaning.
    Type: Grant
    Filed: April 19, 1989
    Date of Patent: April 10, 1990
    Assignee: Vendor Holding B.V.
    Inventor: Anne W. Ten Wolde
  • Patent number: 4911970
    Abstract: A high strength reinforced polymeric composite troop carrier slat has an elongated polymeric foam core chemically and mechanically bonded to an outer rigid aliphatic urethane skin at a high modulus, three dimensional interface comprising longitudinally continuous strands, randomly arrayed transverse strands, and randomly inclined short strands having end portions embedded in both the skin and the core, and a one component moisture cured aliphatic urethane coating bonded to the skin and end walls of the core.
    Type: Grant
    Filed: May 8, 1989
    Date of Patent: March 27, 1990
    Inventors: Donald L. Rodenbeck, James M. Staneluis
  • Patent number: 4873133
    Abstract: Fiber reinforced thermoplastic articles having an improved surface are produced in a stampable sheet which is produced from a reinforcing fiber mat having a thermoplastic support film.
    Type: Grant
    Filed: September 11, 1986
    Date of Patent: October 10, 1989
    Assignee: General Electric Company
    Inventor: Harold F. Giles, Jr.
  • Patent number: 4867760
    Abstract: Stitch bonded fabric or other arrays of substantially coplanar and coparallel yarns non-interlaced with other yarns are employed to reinforce the backing for coated abrasive products. A preferred construction with continuous filament polyester yarns is described, together with the cloth finishing process employed to prepare a backing for coating with abrasive grain. The product is particularly suitable for making coated abrasive belts.
    Type: Grant
    Filed: August 17, 1984
    Date of Patent: September 19, 1989
    Assignee: Norton Company
    Inventor: Walter A. Yarbrough
  • Patent number: 4863780
    Abstract: A coating of a viscous lubricant applied prior to stretch-breaking permits forming slivers of stretch-broken carbon fibers. When an anti-static ingredient is added to the viscous lubricant cohesive slivers of stretch-broken glass fibers can be formed. Composites of matrix resin reinforced with these slivers exhibit high strength, tensile stiffness, and good formability.
    Type: Grant
    Filed: June 10, 1988
    Date of Patent: September 5, 1989
    Inventors: Thomas E. Armiger, David H. Edison, Herbert G. Lauterbach, James R. Layton, Richard K. Okine
  • Patent number: 4863777
    Abstract: A wallcovering material having a paper backing being color and/or design printed face to which substantially parallel warp and fill yarns are tricot stitched thereto to provide an aesthetic structure through which the color and/or design shows through. The warp and weft yarns are knit to the paper backing material and held firmly in place by the polyethylene film on the face of the paper backing. The warp and weft yarns are openly spaced so that the color and/or design printed on the paper shows through and provides a pleasant view to the area in which the wallcovering is installed.
    Type: Grant
    Filed: May 4, 1987
    Date of Patent: September 5, 1989
    Assignee: Milliken Research Corporation
    Inventors: Brian Callaway, Edgar H. Pittman
  • Patent number: 4860610
    Abstract: A centrifuge rotor is fabricated of a stacked plurality of tiers where each tier is formed from a stacked array of wound arms. Each arm is formed from an array of layered turns of anisotropic fibers having parallel side portions connected through curved end turn portions.
    Type: Grant
    Filed: January 27, 1988
    Date of Patent: August 29, 1989
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Peter Popper, William E. Velvel
  • Patent number: 4857385
    Abstract: A coating of a viscous lubricant applied prior to stretch-breaking permits forming slivers of stretch-broken carbon fibers. When an anti-static ingredient is added to the viscous lubricant cohesive slivers of stretch-broken glass fibers can be formed. composites of matrix resin reinforced with these slivers exhibit high strength, tensile stiffness, and good formability.
    Type: Grant
    Filed: June 10, 1988
    Date of Patent: August 15, 1989
    Assignee: E. I. Du Pont De Nemours and Company
    Inventors: Thomas E. Armiger, David H. Edison, Herbert G. Lauterbach, James R. Layton, Richard K. Okine
  • Patent number: 4853280
    Abstract: This invention is a floor covering which may be easily removed from its underlying surface and which resists buckling or folding when rolled, comprising:(a) a facing layer;(b) a bottommost release backing layer which comprises a nonwoven fabric of relatively short fibers or continuous filament fibers, and(c) a polymer layer which is bonded to the release backing layer on one side and directly or indirectly to the facing layer on the other side.In another aspect, this invention is an improvement in a process for preparing a polymer-backed floor covering, which process comprises applying a layer of an uncured polymer-forming composition to one side of a textile and curing said composition to form a polymer backing attached to said textile, the improvement which comprises applying a layer of a non-woven fabric of relatively short fibers or continuous filament fibers to the polymer backing before said polymer-forming composition is cured to a tack-free state.
    Type: Grant
    Filed: November 17, 1986
    Date of Patent: August 1, 1989
    Assignee: The Dow Chemical Company
    Inventor: William C. Poteet